supplemental service manual031d26d.namesecurehost.com/mwd/r1610_r1611_r1612_sm.pdf · base model...

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R-1610 R-1611 R-1612 In the interest of user-safety the oven should be restored to its original condition and only parts identical to those specified should be used. WARNING TO SERVICE PERSONNEL: Microwave ovens con- tain circuitry capable of producing very high voltage and current. Contact with the following parts may result in a severe, possibly fatal, electrical shock. (High Voltage Capaci- tor, High Voltage Power Transformer, Magnetron, High Volt- age Rectifier Assembly, High Voltage Harness etc..) TABLE OF CONTENTS Page PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY ................... INSIDE FRONT COVER BEFORE SERVICING ...................................................................................................... INSIDE FRONT COVER WARNING TO SERVICE PERSONNEL ................................................................................................................ 1 MICROWAVE MEASUREMENT PROCEDURE ................................................................................................... 2 FOREWORD AND WARNING ............................................................................................................................... 3 PRODUCT SPECIFICATIONS .............................................................................................................................. 4 GENERAL INFORMATION ................................................................................................................................... 4 OPERATION .......................................................................................................................................................... 6 TROUBLESHOOTING GUIDE .............................................................................................................................. 8 TEST PROCEDURE .............................................................................................................................................. 9 TOUCH CONTROL PANEL ASSEMBLY ............................................................................................................ 11 CONPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE ................................................................ 14 PICTORIAL DIAGRAM ........................................................................................................................................ 16 POWER UNIT CIRCUIT ...................................................................................................................................... 17 LSI UNIT CIRCUIT ............................................................................................................................................... 18 INDICATOR CIRCUIT .......................................................................................................................................... 19 PARTS LIST ........................................................................................................................................................ 20 PACKING AND ACCESSORIES ......................................................................................................................... 25 S5911R1610X// R-1610 R-1611 R-1612 MODELS SUPPLEMENTAL SERVICE MANUAL SHARP CORPORATION This document has been published to be used for after sales service only. The contents are subject to change without notice. This is a supplemental Service Manual for Models R-1610, R-1611 and R-1612. These models are quite similar to base model R-1600,R-1601 and R-1602. Use this supplemental manual together with the Base Models Service Manual (Reference No. is S4910R1160X//) for complete operation, service information, etc.. OVER THE RANGE MICROWAVE OVEN 1 2 3 4 5 6 7 8 9 0 Rice Poultry Popcorn Fish/ seafood Ground meat Lunch on the Run One Dish Dinners Breakfast Bar Compu Defrost Beverage Center Super Defrost Fresh vegetables Turntable On/Off Kitchen Timer Clock Stop Clear START Touch On Memory Cook Power Level Minute Plus Work Light Night Light Fan Hi/Lo Auto Fan Frozen entrees Frozen snacks Frozen vegetables Custom Help Baked potato Sensor reheat S e n s o r C o o k i n g More from your Microwave

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Page 1: SUPPLEMENTAL SERVICE MANUAL031d26d.namesecurehost.com/mwd/r1610_r1611_r1612_sm.pdf · base model R-1600,R-1601 and R-1602. Use this supplemental manual together with the Base Models

R-1610R-1611R-1612

In the interest of user-safety the oven should be restored to its originalcondition and only parts identical to those specified should be used.

WARNING TO SERVICE PERSONNEL: Microwave ovens con-tain circuitry capable of producing very high voltage andcurrent. Contact with the following parts may result in asevere, possibly fatal, electrical shock. (High Voltage Capaci-tor, High Voltage Power Transformer, Magnetron, High Volt-age Rectifier Assembly, High Voltage Harness etc..)

TABLE OF CONTENTSPage

PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TOAVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY ................... INSIDE FRONT COVERBEFORE SERVICING ...................................................................................................... INSIDE FRONT COVERWARNING TO SERVICE PERSONNEL ................................................................................................................ 1MICROWAVE MEASUREMENT PROCEDURE ................................................................................................... 2FOREWORD AND WARNING ............................................................................................................................... 3PRODUCT SPECIFICATIONS .............................................................................................................................. 4GENERAL INFORMATION ................................................................................................................................... 4OPERATION .......................................................................................................................................................... 6TROUBLESHOOTING GUIDE .............................................................................................................................. 8TEST PROCEDURE ..............................................................................................................................................9TOUCH CONTROL PANEL ASSEMBLY ............................................................................................................ 11CONPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE ................................................................ 14PICTORIAL DIAGRAM ........................................................................................................................................ 16POWER UNIT CIRCUIT ...................................................................................................................................... 17LSI UNIT CIRCUIT ............................................................................................................................................... 18INDICATOR CIRCUIT .......................................................................................................................................... 19PARTS LIST ........................................................................................................................................................ 20PACKING AND ACCESSORIES ......................................................................................................................... 25

S5911R1610X//

R-1610R-1611R-1612

MODELS

SUPPLEMENTAL SERVICE MANUAL

SHARP CORPORATIONThis document has been published to be used for aftersales service only.The contents are subject to change without notice.

This is a supplemental Service Manual for Models R-1610, R-1611 and R-1612. These models are quite similar tobase model R-1600,R-1601 and R-1602. Use this supplemental manual together with the Base Models ServiceManual (Reference No. is S4910R1160X//) for complete operation, service information, etc..

OVER THE RANGEMICROWAVE OVEN

SENSOR DEFROST TURNTABLE COOKOFF HELP

1 2 3 4 56 7 8 9 0

Rice Poultry

Popcorn

Fish/ seafoodGround

meat

Lunch on the Run

One Dish DinnersBreakfast

BarCompu Defrost

Beverage CenterSuper

Defrost

Fresh vegetables

Turntable On/Off

Kitchen Timer Clock

Stop Clear

START Touch On

Memory Cook

Power Level

Minute Plus

Work Light

Night Light

Fan Hi/Lo

Auto Fan

Frozen entrees

Frozen snacks

Frozen vegetables

Custom HelpBaked

potatoSensor reheat

S e n s o r C o o k i n g

More from your Microwave

Page 2: SUPPLEMENTAL SERVICE MANUAL031d26d.namesecurehost.com/mwd/r1610_r1611_r1612_sm.pdf · base model R-1600,R-1601 and R-1602. Use this supplemental manual together with the Base Models

R-1610R-1611R-1612

PRECAUTIONS TO BE OBSERVED BEFORE ANDDURING SERVICING TO AVOID POSSIBLEEXPOSURE TO EXCESSIVE MICROWAVEENERGY(a) Do not operate or allow the oven to be operated with the door open.(b) Make the following safety checks on all ovens to be serviced before activating the magnetron or other

microwave source, and make repairs as necessary: (1) interlock operation, (2) proper door closing, (3)seal and sealing surfaces (arcing, wear, and other damage), (4) damage to or loosening of hinges andlatches, (5) evidence of dropping or abuse.

(c) Before turning on microwave power for any service test or inspection within the microwave generatingcompartments, check the magnetron, wave guide or transmission line, and cavity for proper alignment,integrity, and connections.

(d) Any defective or misadjusted components in the interlock, monitor, door seal, and microwavegeneration and transmission systems shall be repaired, replaced, or adjusted by procedures describedin this manual before the oven is released to the owner.

(e) A microwave leakage check to verify compliance with the Federal Performance Standard should beperformed on each oven prior to release to the owner.

BEFORE SERVICINGBefore servicing an operative unit, perform a microwave emission check as per the MicrowaveMeasurement Procedure outlined in this service manual.If microwave emissions level is in excess of the specified limit, contact SHARP ELECTRONICSCORPORATION immediately @1-800-237-4277.

If the unit operates with the door open, service person should 1) tell the user not to operate the ovenand 2) contact SHARP ELECTRONICS CORPORATION and Food and Drug Administration'sCenter for Devices and Radiological Health immediately.

Service personnel should inform SHARP ELECTRONICS CORPORATION of any certified unit foundwith emissions in excess of 4mW/cm2. The owner of the unit should be instructed not to use the unituntil the oven has been brought into compliance.

Page 3: SUPPLEMENTAL SERVICE MANUAL031d26d.namesecurehost.com/mwd/r1610_r1611_r1612_sm.pdf · base model R-1600,R-1601 and R-1602. Use this supplemental manual together with the Base Models

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WARNING TO SERVICE PERSONNEL

Microwave ovens contain circuitry capable of pro-ducing very high voltage and current, contact withfollowing parts may result in a severe, possiblyfatal, electrical shock.

(Example)

High Voltage Capacitor, High Voltage Power Trans-former, Magnetron, High Voltage Rectifier Assem-bly, High Voltage Harness etc..Read the Service Manual carefully and follow allinstructions.

Before Servicing

1. Disconnect the power supply cord , and thenremove outer case.

2. Open the door and block it open.3. Discharge high voltage capacitor.

WARNING:RISK OF ELECTRIC SHOCK.DISCHARGE THE HIGH-VOLTAGECAPACITOR BEFORE SERVICING.

The high-voltage capacitor remains charged about 60seconds after the oven has been switched off. Wait for 60seconds and then short-circuit the connection of the high-voltage capacitor (that is the connecting lead of the high-voltage rectifier) against the chassis with the use of aninsulated screwdriver.

Whenever troubleshooting is performed the power supplymust be disconnected. It may in, some cases, be necessaryto connect the power supply after the outer case has beenremoved, in this event,1. Disconnect the power supply cord, and then remove

outer case.2. Open the door and block it open.3. Discharge high voltage capacitor.4. Disconnect the leads to the primary of the power

transformer.5. Ensure that these leads remain isolated from other

components and oven chassis by using insulation tape.6. After that procedure, reconnect the power supply cord.

When the testing is completed,1. Disconnect the power supply cord, and then remove

outer case.2. Open the door and block it open.3. Discharge high voltage capacitor.4. Reconnect the leads to the primary of the power

transformer.5. Reinstall the outer case (cabinet).6. Reconnect the power supply cord after the outer case is

installed.7. Run the oven and check all functions.

After repairing

1. Reconnect all leads removed from components duringtesting.

2. Reinstall the outer case (cabinet).3. Reconnect the power supply cord after the outer case is

installed.4. Run the oven and check all functions.

Microwave ovens should not be run empty. To test for thepresence of microwave energy within a cavity, place a cupof cold water on the oven turntable, close the door and setthe power to HIGH and set the microwave timer for two (2)minutes. When the two minutes has elapsed (timer at zero)carefully check that the water is now hot. If the waterremains cold carry out Before Servicing procedure and re-examine the connections to the component being tested.

When all service work is completed and the oven is fullyassembled, the microwave power output should be checkedand microwave leakage test should be carried out.

Don't Touch ! Danger High Voltage

Page 4: SUPPLEMENTAL SERVICE MANUAL031d26d.namesecurehost.com/mwd/r1610_r1611_r1612_sm.pdf · base model R-1600,R-1601 and R-1602. Use this supplemental manual together with the Base Models

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MICROWAVE MEASUREMENT PROCEDURE

A. Requirements:

1) Microwave leakage limit (Power density limit): The power density of microwave radiation emitted by a microwave ovenshould not exceed 1mW/cm2 at any point 5cm or more from the external surface of the oven, measured prior to acquisitionby a purchaser, and thereafter (through the useful life of the oven), 5 mW/cm2 at any point 5cm or more from the externalsurface of the oven.

2) Safety interlock switches Primary interlock relay and door sensing switch shall prevent microwave radiation emission inexcess of the requirement as above mentioned, secondary interlock switch shall prevent microwave radiation emissionin excess of 5 mW/cm2 at any point 5cm or more from the external surface of the oven.

B. Preparation for testing:Before beginning the actual measurement of leakage, proceed as follows:1) Make sure that the actual instrument is operating normally as specified in its instruction booklet.

Important:Survey instruments that comply with the requirement for instrumentation as prescribed by the performance standard formicrowave ovens, 21 CFR 1030.10(c)(3)(i), must be used for testing.

2) Place the oven tray in the oven cavity.3) Place the load of 275±15 ml (9.8 oz) of tap water initially at 20±5˚C (68˚F) in the center of the oven cavity.

The water container shall be a low form of 600 ml (20 oz) beaker with an inside diameter of approx. 8.5 cm (3-1/2 in.)and made of an electrically nonconductive material such as glass or plastic.The placing of this standard load in the oven is important not only to protect the oven, but also to insure that any leakageis measured accurately.

4) Set the cooking control on Full Power Cooking Mode5) Close the door and select a cook cycle of several minutes. If the water begins to boil before the survey is completed,

replace it with 275 ml of cool water.

C. Leakage test:

Closed-door leakage test (microwave measurement)1) Grasp the probe of the survey instrument and hold it perpendicular to the gap between the door and the body of the oven.2) Move the probe slowly, not faster than 1 in./sec. (2.5 cm/sec.) along the gap, watching for the maximum indication on

the meter.3) Check for leakage at the door screen, sheet metal seams and other accessible positions where the continuity of the metal

has been breached (eg., around the switches, indicator, and vents).While testing for leakage around the door pull the door away from the front of the oven as far as is permitted by the closedlatch assembly.

4) Measure carefully at the point of highest leakage and make sure that the highest leakage is no greater than 4mW/cm2,and that the secondary interlock switch does turn the oven OFF before any door movement.

NOTE: After servicing, record data on service invoice and microwave leakage report.

Page 5: SUPPLEMENTAL SERVICE MANUAL031d26d.namesecurehost.com/mwd/r1610_r1611_r1612_sm.pdf · base model R-1600,R-1601 and R-1602. Use this supplemental manual together with the Base Models

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SHARP ELECTRONICS CORPORATION

SHARP PLAZA, MAHWAH,NEW JERSEY 07430-2135

SERVICE MANUAL

OVER THE RANGE MICROWAVE OVEN

R-1610/ R-1611/1612

FOREWORD

This Manual has been prepared to provide Sharp Electronics Corp. Service Personnel with Operation and Service Informationfor the SHARP OVER THE RANGE MICROWAVE OVEN, R-1610/ R-1611/ R1612.

The models R-1610, R-1611 and R-1612 are quite similar to base models R-1600, R-1601 and R-1602 (Reference No. isS3910R1600X//).

It is recommended that service personnel carefully study the entire text of this manual and base model service manual sothat they will be qualified to render satisfactory customer service.

Check the interlock switches and the door seal carefully. Special attention should be given to avoid electrical shock andmicrowave radiation hazard.

WARNING

Never operate the oven until the following points are ensured.(A) The door is tightly closed.(B) The door brackets and hinges are not defective.(C) The door packing is not damaged.(D) The door is not deformed or warped.(E) There is not any other visible damage with the oven.

Servicing and repair work must be carried out only by trained service personnel.DANGER

Certain initial parts are intentionally not grounded and present a risk of electrical shock only during servicing.Service personnel - Do not contact the following parts while the appliance is energized;High Voltage Capacitor, Power Transformer, Magnetron, High Voltage Rectifier Assembly, High VoltageHarness;If provided, Vent Hood, Fan assembly, Cooling Fan Motor.

All the parts marked “*” on parts list are used at voltages more than 250V.

Removal of the outer wrap gives access to voltage above 250V.

All the parts marked “∆” on parts list may cause undue microwave exposure, by themselves, or when they are damaged,loosened or removed.

Page 6: SUPPLEMENTAL SERVICE MANUAL031d26d.namesecurehost.com/mwd/r1610_r1611_r1612_sm.pdf · base model R-1600,R-1601 and R-1602. Use this supplemental manual together with the Base Models

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ITEM DESCRIPTIONPower Requirements 120 Volts / 14 Amperes

60 HertzSingle phase, 3 wire grounded

Power Output 1000 watts (IEC-705 TEST PROCEDURE)Operating frequency of 2450MHz

Case Dimensions Width 29-15/16"Height 16-3/8"Depth 15- 1/16" (Not including the door handle)

Cooking Cavity Dimensions Width 21"Height 8-7/8"

1.6 Cubic Feet Depth 14-7/16"

Hood lamp 2 bulbs, 20W x 2, Incandescent light bulbs

Hood fan Approx. 300 C.F.M.

Control Complement Touch Control SystemClock ( 1:00 - 12:59 )Timer (0 - 99 min. 99 seconds)

Microwave Power for Variable Cooking

Repetition Rate;P-HI .................................................. Full power throughout the cooking timeP-90 .................................................................... approx. 90% of Full PowerP-80 .................................................................... approx. 80% of Full PowerP-70 .................................................................... approx. 70% of Full PowerP-60 .................................................................... approx. 60% of Full PowerP-50 .................................................................... approx. 50% of Full PowerP-40 .................................................................... approx. 40% of Full PowerP-30 .................................................................... approx. 30% of Full PowerP-20 .................................................................... approx. 20% of Full PowerP-10 .................................................................... approx. 10% of Full PowerP-0 .................................................... No power throughout the cooking time

Sensor Cooking pads, Breakfast Bar pad, Lunch on the Run padOne Dish Dinners pad, Super Defrost pad, Compu Defrost padBeverage Center pad, Number selection pads, Turntable On / Off padMemory Cook pad, Power Level pad, Minute Plus padKitchen Timer / Clock pad, Stop / Clear pad, Start / Touch On padWork Light pad, Night Light pad, Fan Hi / Lo pad, Auto Fan pad

Oven Cavity Light 20W x 1 Incandescent light bulb

Safety Standard UL Listed FCC Authorized

DHHS Rules, CFR, Title 21, Chapter 1, Subchapter J

Weight Approx. 56 lbs.

PRODUCT SPECIFICATION

Page 7: SUPPLEMENTAL SERVICE MANUAL031d26d.namesecurehost.com/mwd/r1610_r1611_r1612_sm.pdf · base model R-1600,R-1601 and R-1602. Use this supplemental manual together with the Base Models

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GENERAL INFORMATION

GROUNDING INSTRUCTIONS

This oven is equipped with a three prong grounding plug. It must be plugged into a wall receptacle that is properly installedand grounded in accordance with the National Electrical Code and local codes and ordinances.In the event of an electrical short circuit, grounding reduces the risk of electric shock by providing an escape wire for theelectric current.WARNING: Improper use of the grounding plug can result in a risk of electric shock.Electrical RequirementsThe oven is equipped with a 3-prong grounding plug. DO NOT UNDER ANY CIRCUMSTANCES CUT OR REMOVE THEGROUNDING PIN FROM THE PLUG.The power supply cord and plug must be connected to a separate 120 Volt AC, 60 Hz, 15 Amp. or more dedicated line, usinga grounded receptacle. The receptacle should be located inside the cabinet directly above the Microwave Oven/Hoodsystem mounting location.

3-Pronged Plug

Grounded Receptacle Box

Grounding Pin

3-Pronged Receptacle

CONTROL PANEL

SENSOR DEFROST TURNTABLE COOKOFF HELP

1 2 3 4 56 7 8 9 0

Rice Poultry

Popcorn

Fish/ seafood

Ground meat

Lunch on the Run

One Dish Dinners

Breakfast Bar

Compu Defrost

Beverage Center

Super Defrost

Fresh vegetables

Turntable On/Off

Kitchen Timer Clock

Stop Clear

START Touch On

Memory Cook

Power Level

Minute Plus

Work Light

Night Light

Fan Hi/Lo

Auto Fan

Frozen entrees

Frozen snacks

Frozen vegetables

Custom Help

Baked potatoes

Sensor reheat

S e n s o r C o o k i n g

More from your Microwave

Page 8: SUPPLEMENTAL SERVICE MANUAL031d26d.namesecurehost.com/mwd/r1610_r1611_r1612_sm.pdf · base model R-1600,R-1601 and R-1602. Use this supplemental manual together with the Base Models

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OPERATION

DESCRIPTION OF OPERATING SEQUENCE

SENSOR COOKING CONDITIONUsing the Sensor Cooking function, the foods are cooked ordefrosted without figuring time, power level or quantity.When the oven senses enough steam from the food, itrelays the information to its microprocessor which will calcu-late the remaining cooking time and power level needed forbest results.When the food is cooked, water vapor is developed. Thesensor “senses” the vapor and its resistance increasesgradually. When the resistance reaches the value set ac-cording to the menu, supplementary cooking is started.The time of supplementary cooking is determined by experi-ment with each food category and inputted into the LSI.An example of how sensor works (Baked potato):

1. Potatoes at room temperature. Vapor is emitted veryslowly. MICROWAVE

2. Heat potatoes. Moisture and humidity is emitted rapidly.You can smell the aroma as it cooks.

3. Sensor detects moisture and humidity and calculatescooking time and variable power.

Cooking Sequence.1. Touch one of the Sensor Cooking pads. And then touch

START/TOUCH ON pad.NOTE: The oven should not be operated on Sensor Cooking

immediately after plugging in the unit. Wait twominutes before cooking on Sensor Cooking.

2. The coil of shut-off relays (RY1 and RY3) are energized,the oven lamp, turntable motor and cooling fan motor areturned on, but the power transformer is not turned on.

3. After about 32 seconds, the cook relay (RY2) is energized.The power transformer is turned on, microwave energyis produced and first stage is started.The 32 seconds is the cooling time required to remove

any vapor from the oven cavity and sensor.NOTE: During this first stage, do not open the door or touch

STOP/CLEAR pad.4. When the sensor detects the vapor emitted from the

food, the display switches over to the remaining cookingtime and the timer counts down to zero.At this time, the door may be opened to stir food, turn itor season, etc.

5. When the timer reaches zero, an audible signal sounds.The shut-off relay and cook relay are de-energized andthe power transformer, oven lamp, etc. are turned off.

6. Opening the door or touching the STOP/CLEAR pad, thetime of day will reappear on the display and the oven willrevert to an OFF condition.

MICROWAVEAH SENSOR

Page 9: SUPPLEMENTAL SERVICE MANUAL031d26d.namesecurehost.com/mwd/r1610_r1611_r1612_sm.pdf · base model R-1600,R-1601 and R-1602. Use this supplemental manual together with the Base Models

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SCHEMATICNOTE: CONDITION OF OVEN1. DOOR CLOSED2. COOKING TIME PROGRAMMED3. VARIABLE COOKING CONTROL "HIGH"4. "START" PAD TOUCHED

Figure O-2. Oven Schematic-Cooking Condition

Figure O-1. Oven Schematic-Off Condition

SCHEMATICNOTE: CONDITION OF OVEN1. DOOR CLOSED2. CLOCK APPEARS ON DISPLAYCAVITY

THERMAL CUT-OUTMAGNETRON TEMPERATURE FUSE

FUSE 20A

TU

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M

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ST

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MA

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LA

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BLK

WH

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AH SENSOR

POWER TRANSFORMER

HIGH VOLTAGE CAPACITOR 0.94µF

HIGH VOLTAGE RECTIFIER

COM. N.O.

COM.

CONTROL UNIT

GND

GRN

HOOD MOTOR

B7

B5

B3

B1

A1 A3 B9 A7 A5 N.O.

F1

F2

F3

E1

E2

DOOR SENSING SWITCH

SECONDARY INTERLOCK SWITCH

120 V AC. 60 Hz

HOOD LAMP

HL HL

RY3 RY1 RY2

PR

IMA

RY

IN

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RLO

CK

R

ELA

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SS

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FM STM

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TTM

HOOD FAN THERMAL CUT OUT

HOOD CAPACITOR

RY4

RY5

N.C.

Low

High

MAGNETRON TEMPERATURE FUSE

FUSE 20A

TU

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M

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POWER TRANSFORMER

HIGH VOLTAGE CAPACITOR 0.94µF

HIGH VOLTAGE RECTIFIER

COM. N.O.

COM.

CONTROL UNIT

GND

GRN

HOOD MOTOR

B7

B5

B3

B1

A1 A3 B9 A7 A5 N.O.

F1

F2

F3

E1

E2

DOOR SENSING SWITCH

SECONDARY INTERLOCK SWITCH

120 V AC. 60 Hz

HOOD LAMP

HL HL

RY3 RY1 RY2

PR

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RY

IN

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RLO

CK

R

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FM STM

OL

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HOOD FAN THERMAL CUT OUT

HOOD CAPACITOR

RY4

RY5

N.C.

CAVITY THERMAL CUT-OUT

SS

R

Low

High

Page 10: SUPPLEMENTAL SERVICE MANUAL031d26d.namesecurehost.com/mwd/r1610_r1611_r1612_sm.pdf · base model R-1600,R-1601 and R-1602. Use this supplemental manual together with the Base Models

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TROUBLESHOOTING GUIDE

Never touch any part in the circuit with your hand or an uninsulated tool while the power supply is connected.

When troubleshooting the microwave oven, it is helpful to follow the Sequence of Operation in performing the checks. Manyof the possible causes of trouble will require that a specific test be performed. These tests are given a procedure letter whichwill be found in the "Test Procedure "section.

IMPORTANT: If the oven becomes inoperative because of a blown monitor fuse, check the monitor switch, relay (RY1)primary interlock relay (RY2), door sensing switch and secondary interlock switch before replacing themonitor fuse. If monitor fuse is replaced, the monitor switch must also be replaced. Use part FFS-BA016/KiT as an assembly.

IMPORTANT: Whenever troubleshooting is performed with the power supply cord disconnected. It may in, some cases,be necessary to connect the power supply cord after the outer case has been removed, in this event,1. Disconnect the power supply cord, and then remove outer case.2. Open the door and block it open.3. Discharge high voltage capacitor.4. Disconnect the leads to the primary of the power transformer.5. Ensure that the leads remain isolated from other components and oven chassis by using insulation tape.6. After that procedure, reconnect the power supply cord.

When the testing is completed1. Disconnect the power supply cord, and then remove outer case.2. Open the door and block it open.3. Discharge high voltage capacitor.4. Reconnect the leads to the primary of the power transformer.5. Reinstall the outer case (cabinet).6. Reconnect the power supply cord after the outer case is installed.7. Run the oven and check all functions.

L Q CKC

ON

TR

OL

UN

IT

AH

SE

NS

OR

SH

OR

TE

D O

R O

PE

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D W

IRIN

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The oven stops and "ERROR" is displayed or does not end during Sensor Cookingcondition. (Oven does not shut off after a cup of water is boiling by Sensor Cooking.)

Oven stops at 32 seconds after starting.

TEST PROCEDURE

PROBLEMCONDITION

SENSORCOOKINGCONDITION

POSSIBLE CAUSEAND

DEFECTIVE PARTS

NOTE: For additional troubleshooting procedures, please refer back to the R-1600/1601/1602 base model ServiceManual.

Page 11: SUPPLEMENTAL SERVICE MANUAL031d26d.namesecurehost.com/mwd/r1610_r1611_r1612_sm.pdf · base model R-1600,R-1601 and R-1602. Use this supplemental manual together with the Base Models

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TEST PROCEDURES

PROCEDURELETTER COMPONENT TEST

M KEY UNIT TEST

1. Disconnect the power supply cord, and then remove outer case.2. Open the door and block it open.3. Discharge high voltage capacitor.4. If the display fails to clear when the STOP/CLEAR pad is depressed, first verify the flat ribbon cable

is making good contact, verify that the door sensing switch (stop switch) operates properly; that is thecontacts are closed when the door is closed and open when the door is open. If the door sensingswitch (stop switch) is good, disconnect the flat ribbon cable that connects the key unit to the controlunit and make sure the door sensing switch is closed (either close the door or short the door sensingswitch connecter). Use the Key unit matrix indicated on the control panel schematic and place ajumper wire between the pins that correspond to the STOP/CLEAR pad making momentary contact.If the control unit responds by clearing with a beep the key unit is faulty and must be replaced. If thecontrol unit does not respond, it is faulty and must be replaced. If a specific pad does not respond,the above method may be used (after clearing the control unit) to determine if the control unit or keypad is at fault.

5. Reconnect all leads removedfrom components during testing.

6. Re-install the outer case(cabinet).

7. Reconnect the power supply cordafter the outer case is installed.

8. Run the oven and check allfunctions.

Q AH SENSOR TEST

Checking the initial sensor cooking conditionWARNING : The oven should be fully assembled before following procedure.(1) The oven should be plugged in at least two minutes before sensor cooking.(2) Room temperature should not exceed 95˚F (35˚C).(3) The unit should not be installed in any area where heat and steam are generated. The unit should

not be installed, for example, next to a conventional surface unit. Refer to the “INSTALLATIONINSTRUCTIONS” of the operation manual.

(4) Exhaust vents are provided on the back of the unit for proper cooling and air flow in the cavity. Topermit adequate ventilation, be sure to install so as not to block these vents. There should be somespace for air circulation.

(5) Be sure the exterior of the cooking container and the interior of the oven are dry. Wipe off any moisturewith a dry cloth or paper towel.

(6) The Sensor works with food at normal storage temperature. For example, chicken pieces would beat refrigerator temperature and canned soup at room temperature.

(7) Avoid using aerosol sprays or cleaning solvents near the oven while using Sensor settings. Thesensor will detect the vapour given of by the spray and turn off before food is properly cooked.

(8) If the sensor has not detected the vapour of the food, ERROR will appear and the oven will shut off.

Water load cooking testWARNING : The oven should be fully assembled before following procedure.Make sure the oven has been plugged in at least two minutes before checking sensor cook operation.The cabinet should be installed and screws tightened.(1) Fill approximately 200 milliliters (7.2 oz) of tap water in a 1000 milliliter measuring cup.(2) Place the container on the center of tray in the oven cavity.(3) Close the door.(4) Touch Sensor reheat pad once and touch the Start pad, Now, the oven is in the sensor cooking

condition and “SENSOR REHEAT” and "COOK" will appear in the display.(5) The oven will operate for the first 16 seconds, without generating microwave energy.

G 8

5

0

4

9

3

8

2

7

1

6

G 7

Compu Defrost

Night Light

Stop Clear

Memory Cook

One Dish Dinners

Lunch on the Run

Work Light

Power Level

Minute Plus

PopcornFan Hi / Lo

Turntable On / Off

Frozen snacks

Frozen entrees

Beverage center

Auto Fan

Ground meat

Rice

Fish/ seafood

Fresh vegetables

Sensor reheat

Frozen vegetables

Baked potatoes

Poultry

Custom Help

Breakfast Bar

Super Defrost

G 6 G 5 G 4 G 3 G 2 G 1

G14

G13

G12

G11

G10

G 9

Kitchen Timer

Clock

START Touch On

Page 12: SUPPLEMENTAL SERVICE MANUAL031d26d.namesecurehost.com/mwd/r1610_r1611_r1612_sm.pdf · base model R-1600,R-1601 and R-1602. Use this supplemental manual together with the Base Models

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R-1610R-1611R-1612

TEST PROCEDURES

PROCEDURELETTER COMPONENT TEST

NOTE: ERROR will appear if the door is opened or STOP/CLEAR pad is touched during first stage ofsensor cooking.

(6) After approximately 32 seconds, microwave energy is produced, and the display should start to countdown the remaining cooking time and oven should turn off after water is boiling (bubbling).

If the oven does not turn off, replace the AH sensor or check the control unit, refer to explanation below.TESTING METHOD FOR AH SENSOR AND/OR CONTROL UNIT

To determine if the sensor is defective, the simplest method is to replace it with a new replacementsensor.(1) Disconnect the power supply cord, and then remove outer case.(2) Open the door and block it open.(3) Discharge high voltage capacitor.(4) Remove the AH sensor.(5) Install the new AH sensor.(6) Reconnect all leads removed from components during replacing.(7) Re-install the outer case (cabinet).(8) Reconnect the power supply cord after the outer case is installed.(9) Reconnect the oven to the power supply cord and check the sensor cook operation proceed as

follows:9-1. Fill approximately 200 milliliters (7.2 oz) of tap water in a 1000 milliliter measuring cup.9-2. Place the container on the center of tray in the oven cavity.9-3. Close the door.9-4. Touch Sensor reheat pad once and touch the Start pad.9-5. The control panel is in automatic Sensor operation.9-6. The display will start to count down the remaining cooking time, and the oven will turn off

automatically after the water is boiling (bubbling).If new sensor dose not operate properly, the problem is with the control unit, and refer to explanationbelow.

CHECKING CONTROL UNIT

(1) Disconnect the power supply cord, and then remove outer case.(2) Open the door and block it open.(3) Discharge high voltage capacitor.(4) Disconnect the sensor connector that is mounted to control panel.(5) Then connect the dummy resistor circuit (see fig.) to the sensor connector of control panel.(6) Disconnect the leads to the primary of the power transformer.(7) Ensure that these leads remain isolated from other components and oven chassis by using insulation

tape.(8) After that procedure, re-connect the supply.(9) Check the sensor cook operation proceed as follows:

9-1. Touch Sensor reheat pad once and touch the Start pad.9-2. The control panel is in the sensor cooking operation.9-3. After approximately 32 seconds, push plunger of select switch for more than 3 seconds. This

condition is same as judgement by AH sensor.9-4. After approximately 3 seconds, the display shows “ X X . X X “ which is the remaining cooking

time, and the display count down.If the above is not the case, the control unit is probably defective.If the above is proper, the AH sensor is probably defective.

(10) Disconnect the power supply cord, and then remove outer case.(11) Open the door and block it open.(12) Discharge high voltage capacitor.(13) Disconnect the dummy resistor circuit from the sensor connector of control panel.(14) Carry out necessary repair.(15) Reconnect all leads removed from components during testing and repairing.(16) Re-install the outer case (cabinet).(17) Reconnect the power supply cord after the outer case installed. Run the oven and check all function.

Page 13: SUPPLEMENTAL SERVICE MANUAL031d26d.namesecurehost.com/mwd/r1610_r1611_r1612_sm.pdf · base model R-1600,R-1601 and R-1602. Use this supplemental manual together with the Base Models

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R-1610R-1611R-1612

Plunger

NC

NO

COM

COM NO

NCR3 R4

R1

R2

1

2

3

F-1

F-2

F-3

To connector (F) on Control Unit.

CONNECTOR

TEST PROCEDURES

PROCEDURELETTER COMPONENT TEST

Sensor Dummy Resistor Circuit

(18) Carry out “Water load cooking test” again and ensure that the oven works properly.

R1, R2 : 22Ω ± 1% 1/2WR3 : 4.3kΩ ± 5% 1/4WR4 : 1MΩ ± 5% 1/4W

TOUCH CONTROL PANEL ASSEMBLY

OUTLINE OF TOUCH CONTROL PANEL

3) Synchronizing Signal CircuitThe power source synchronizing signal is available inorder to compose a basic standard time in the clockcircuit. It incorporates a very small error because it workson commercial frequency.

4) ACL CircuitA circuit to generate a signals which resetting the LSI tothe initial state when power is applied.

5) Buzzer CircuitThe buzzer is responds to signals from the LSI to emitaudible sounds (key touch sound and completion sound).

6) Door Sensing SwitchA switch to inform the LSI if the door is open or closed.

7) Relay CircuitTo drive the magnetron, fan motor, stirrer motor, turnta-ble motor, hood motor, and light the oven lamp and hoodlamp.

8) Indicator CircuitThis circuit consists of 40 segments and 16 commonelectrodes using a Light Crystal Display.The Light Crystal Display (LCD) is drived by LCD driverIC3.

9) Back Light CircuitA circuit to drive the back light (Light emitting diodes LD1-LD10).

10) Absolute Humidity Sensor CircuitThis circuit detects moisture of the cooking food to allowits automatic cooking.

The touch control section consists of the following unitsas shown in the touch control panel circuit.

(1) Key Unit(2) Control Unit (The Control unit consists of LSI Unit and

Power U nit)

The principal functions of these units and the signals com-municated among them are explained below.

Key UnitThe key unit is composed of a matrix, signals generated inthe LSI are sent to the key unit through P10-P17.When a key pad is touched, a signal is completed throughthe key unit and passed back to the LSI through P41, P42,AN8, AN9, AN10 and AN11 to perform the function that wasrequested.

Control UnitControl unit consists of LSI, power source circuit, synchroniz-ing signal circuit, ACL circuit, buzzer circuit, relay circuit,absolute humidity sensor, indicator circuit and back light circuit.

1) LSIThis LSI controls the key strobe signal, relay drivingsignal for oven function and indicator signal.

2) Power Source CircuitThis circuit generates voltages necessary for the controlunit from the AC line voltage.In addition, the synchronizing signal is available in orderto compose a basic standard time in the clock circuit.

Symbol Voltage Application

VC -5.1V LSI(IC1)

Page 14: SUPPLEMENTAL SERVICE MANUAL031d26d.namesecurehost.com/mwd/r1610_r1611_r1612_sm.pdf · base model R-1600,R-1601 and R-1602. Use this supplemental manual together with the Base Models

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DESCRIPTION OF LSI

LSI(IZA958DR)The I/O signal of the LSI(IZA958DR) is detailed in the following table.

Pin No. Signal I/O Description

NOTE: For additional informations of LSI, please refer back to the R-1600/1601/1602 base model Service Manual.

1 AN10 IN Signal coming from touch key.When either G10 line on key matrix is touched, a corresponding signal out of P10-P17 willbe input into AN10. When no key is touched, the signal is held at "H" level.

9 P15 OUT Key strobe signal.Signal applied to touch-key section. A pulse signal is input to AN9, AN10, AN11, P41 andP42 terminal while one of G3 line keys on key matrix is touched.

10 P16 OUT Key strobe signal.Signal applied to touch-key section. A pulse signal is input to AN8, AN9, AN10, AN11, P41and P42 terminal while one of G2 line keys on key matrix is touched.

11 P17 OUT Key strobe signal.Signal applied to touch-key section. A pulse signal is input to AN9, AN10, AN11, P41 andP42 terminal while one of G1 line keys on key matrix is touched.

29 P32 OUT Terminal not used.

30-34 P33-P37 OUT Used for initial balancing of the bridge circuit (absokute humidity sensor).

91 AN0 IN Used for initial balancing of the bridge circuit (absokute humidity sensor). This input is ananalog input terminal from the AH sensor circuit, and connected to the A/D converter builtinto the LSI.

92 AN1 IN AH sensor input.This input is an analog input terminal from the AH sensor circuit, and connected to the A/D converter built into the LSI.

99 AN8 IN Input terminal to judge the model.The signal out of P16 will be input into AN8 through G2 line on key matrix. The LSI will judgethe model by this signal.

Page 15: SUPPLEMENTAL SERVICE MANUAL031d26d.namesecurehost.com/mwd/r1610_r1611_r1612_sm.pdf · base model R-1600,R-1601 and R-1602. Use this supplemental manual together with the Base Models

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(3) Detector Circuit of Absolute Humidity Sensor CircuitThis detector circuit is used to detect the output voltage ofthe absolute humidity circuit to allow the LSI to controlsensor cooking of the unit. When the unit is set in thesensor cooking mode, 16 seconds clearing cycle occursthan the detector circuit starts to function and the LSIobserves the initial voltage available at its AN1 terminal.With this voltage given, the switches SW1 to SW5 in theLSI are turned on in such a way as to change theresistance values in parallel with R98 ~ R102 of IC2.Changing the resistance values results in that there is thesame potential at both F-3 terminal of the absolute humiditysensor and AN0 terminal of the LSI. The voltage of AN1terminal will indicate about -2.5V. This initial balancing isset up about 16 seconds after the unit is put in the SensorCooking mode. As the sensor cooking proceeds, the foodis heated to generate moisture by which the resistance

ABSOLUTE HUMIDITY SENSOR CIRCUIT

C

S

R3

R1

R2

+

Operational amplifier

Output voltage

S : Thermistor open vesselC : Thermistor closed vessel

2Absolute humidity (g/m )

Out

put v

olta

ge

Absolute humidity vs, output voltage characteristic

SW1

SW2

SW3

SW4

SW5

P33

P34

P35

P36

P37

LSI (IC1)

AN0

AN1

620k

300k

150k

75k

37.4k

30

33

34

91

92

32

31

47k

47k

IC210k

0.01

uF

0.01

5uF

0.01

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+

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R90

C90

C91

C93

C92

S

F-2 1.8k

F-1

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R98

R99

R96

R91

360kR93R92

R94 R95

D90

R100

R101

R102

R97

(1) Structure of Absolute Humidity SensorThe absolute humidity sensor includes two thermistorsas shown in the illustration. One thermistor is housed inthe closed vessel filled with dry air while another in theopen vessel. Each sensor is provided with the protectivecover made of metal mesh to be protected from theexternal airflow.

(2) Operational Principle of Absolute Humidity SensorThe figure below shows the basic structure of an absolutehumidity sensor. A bridge circuit is formed by twothermistors and two resistors (R1 and R2).The output of the bridge circuit is to be amplified by theoperational amplifier.Each thermistor is supplied with a current to keep itheated at about 150˚C (302˚F), the resultant heat isdissipated in the air and if the two thermistors are placedin different humidity conditions they show differentdegrees of heat conductivity leading to a potentialdifference between them causing an output voltage fromthe bridge circuit, the intensity of which is increased asthe absolute humidity of the air increases. Since theoutput is very minute, it is amplified by the operationalamplifier.

balance the bridge circuit is deviated to increase thevoltage available at AN1 terminal of the LSI.Then the LSI observes that voltage at AN1 terminal andcompares it with its initial value, and when the comparisonrate reaches the preset value (fixed for each menu to becooked), the LSI causes the unit to stop sensor cooking;thereafter, the unit goes in the next operationautomatically.When the LSI starts to detect the initial voltage at AN1terminal 16 seconds after the unit has been put in theSensor Cooking mode, if it is not possible to balance, ofthe bridge circuit due to disconnection of the absolutehumidity sensor, ERROR will appear on the display andthe cooking is stopped.

1) Absolute humidity sensor circuit

ventilation opening for sensingSensing part (Open vessel)

Sensing part (Closed vessel)

Thermistors

Page 16: SUPPLEMENTAL SERVICE MANUAL031d26d.namesecurehost.com/mwd/r1610_r1611_r1612_sm.pdf · base model R-1600,R-1601 and R-1602. Use this supplemental manual together with the Base Models

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R-1610R-1611R-1612

To prevent an electric shock, take the following pre-cautions.1. Before wiring,

1) Disconnect the power supply cord.2) Open the door block it open.3) Discharge the high voltage capacitor and wait for 60

seconds.2. Don’t let the wire leads touch to the followiong parts;

1) High voltage parts:Magnetron, High voltage transformer, High voltagecapacitor and High voltage rectifier assembly.

2) Hot parts:Oven lamp, Magnetron, High voltage transformerand Oven cavity.

WARNING FOR WIRING

3) Sharp edge:Bottom plate, Oven cavity, Waveguide flange,Chassis support and other metallic plate.

4) Movable parts (to prevent a fault)Fan blade, Fan motor, Switch, Switch lever, Openbutton.

3. Do not catch the wire leads in the outer case cabinet.4. Insert the positive lock connector until its pin is locked

and make sure that the wire leads do not come off evenif the wire leads are pulled.

5. To prevent an error function, connect the wire leadscorrectly, referring to the Pictorial Diagram.

Please refer to ‘OVEN PARTS, CABINET PARTS, CONTROL PANAL PARTS, DOOR PARTS’, when carrying out any ofthe following removal procedures:

HOOD FAN MOTOR, HOOD DUCT, OVEN LAMP SOCKET AND AH. SENSOR REMOVAL

1. Disconnect the power supply cord and remove the ovenfrom wall and remove outer case. (Refer to procedure of"Removal of Oven from Wall" and "Outer case Removal"of the base model Service Manual)

2. Open the door and block it open.3. Discharge high voltage capacitor.4. Disconnect the 6-pin connector of the hood fan motor

from the main wire harness located at the right edge of thehood duct and release the snap band from the hood duct.

5. Remove the hood fan motor from the hood duct by liftingit up.

6. Now, the hood fan motor is free.

7. Disconnect the connector CN-F from the control unit.8. Remove one (1) screw holding the hood duct to the oven

cavity front plate.9. Release the 6-pin connector and the 3-pin connector of

the main harness A from the hood duct.10.Disconnect the wire leads from the fan motor and chassis

support, and release the wire leads from holes of thehood duct.

11.Remove the two (2) unit mounting screws from thechassis support (right side) and the hood duct (left side).

12.Remove the one (1) screw holding the chassis support.13.Remove the chassis support.

Microwave ovens contain circuitry capable of producing very high voltage and current, contact with following parts mayresult in severe, possibly fatal, electric shock.(Example)High Voltage Capacitor, Power Transformer, Magnetron, High Voltage Rectifier Assembly, High Voltage Harness etc..

WARNING: Avoid possible exposure to microwave energy. Please follow the instructions below beforeoperating the oven.

WARNING AGAINST HIGH VOLTAGE:

COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE

1. Disconnect the power supply cord.2. Visually check the door and cavity face plate for damage

(dents, cracks, signs of arcing etc.).

Carry out any remedial work that is necessary beforeoperating the oven.Do not operate the oven if any of the following conditionsexist;1. Door does not close firmly.2. Door hinge, support or latch hook is damaged.3. The door gasket or seal is damaged.

4. The door is bent or warped.5. There are defective parts in the door interlock system.6. There are defective parts in the microwave generating

and transmission assembly.7. There is visible damage to the oven.

Do not operate the oven:1. Without the RF gasket (Magnetron).2. If the wave guide or oven cavity are not intact.3. If the door is not closed.4. If the outer case (cabinet) is not fitted.

Page 17: SUPPLEMENTAL SERVICE MANUAL031d26d.namesecurehost.com/mwd/r1610_r1611_r1612_sm.pdf · base model R-1600,R-1601 and R-1602. Use this supplemental manual together with the Base Models

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R-1610R-1611R-1612

14.Remove the hood duct from the oven cavity by lifting it up.15.Screw the oven lamp off from the lamp socket.16.Remove the lamp socket from the lamp angle.17.Pull the wire leads from the oven lamp socket by pushing

the terminal hole of the oven lamp socket with a small flattype screw driver.

18.Now, the oven lamp socket is free.19.Release the harness of the AH sensor assembly from

three (3) wire holders of the hood duct.20.Remove two (2) screws holding the AH sensor assembly

to the hood duct.21.Now, the AH sensor assembly is free.

Page 18: SUPPLEMENTAL SERVICE MANUAL031d26d.namesecurehost.com/mwd/r1610_r1611_r1612_sm.pdf · base model R-1600,R-1601 and R-1602. Use this supplemental manual together with the Base Models

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R-1610R-1611R-1612

64 51 2 3

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Page 19: SUPPLEMENTAL SERVICE MANUAL031d26d.namesecurehost.com/mwd/r1610_r1611_r1612_sm.pdf · base model R-1600,R-1601 and R-1602. Use this supplemental manual together with the Base Models

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64 51 2 3

64 51 2 3

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Page 20: SUPPLEMENTAL SERVICE MANUAL031d26d.namesecurehost.com/mwd/r1610_r1611_r1612_sm.pdf · base model R-1600,R-1601 and R-1602. Use this supplemental manual together with the Base Models

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64 51 2 3

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C17 0.1µ/50v

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C12 0.1µ /50v

R12 15k

R96 3.57kD R91 3.32kD

R10 1k

R40 4.7k

R102 37.5kF

R101 75kF

R100 150kF

R99 300kF

R98 620kF

R79 270k

R78 270k

R77 270k

R76 270k

R75 270k

R74 270k

R80 1M

C110 4.7k

ZD10 UDZ4.3B

R11 15k

(J10) (J11) 4.7K

(J13) 4.7K

(J15) 4.7K

(J17) 4.7K

(J12)

(J14)

(J16)

R66 15k

R65 15k

R64 15k

R63 15k

R62 15k

R61 15k

R60 15k

R67 15k

C13 0.01µ /25v

C14 0.01µ /25v

C40 0.01µ/25v

C93 0.01µ/25v

C92 0.01µ/25v

C64 330p/50v

C65 330p/50v

C63 330p/50v

C62 330p/50v

C61 330p/50v

C60 330p/50v

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Page 21: SUPPLEMENTAL SERVICE MANUAL031d26d.namesecurehost.com/mwd/r1610_r1611_r1612_sm.pdf · base model R-1600,R-1601 and R-1602. Use this supplemental manual together with the Base Models

19

R-1610R-1611R-1612

64 51 2 3

64 51 2 3

A

B

C

D

E

F

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H

A

B

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D

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Fig

ure

S-4

. Ind

icat

or C

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V C

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IC1

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IC1

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IC1

P80

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P77

IC1

P76

IC1

P75

IC1

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R134 15k

R133 510k

R132 33k

R120 4.7 k

R121 4.7 k

R122 4.7 k

R123 4.7 k

R124 4.7 k

R125 4.7 k

R126 4.7 k

R127 4.7 k

R128 4.7 k

R129 4.7 k

R130 4.7 k

R131 4.7 kC124 0.1µ/50v

C12

6 0.

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C127 0.1µ/50v

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OSC4OSC3VD1

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G23

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DEFROSTSENSOR TURNTABLE OFF COOK HELP

Page 22: SUPPLEMENTAL SERVICE MANUAL031d26d.namesecurehost.com/mwd/r1610_r1611_r1612_sm.pdf · base model R-1600,R-1601 and R-1602. Use this supplemental manual together with the Base Models

20

R-1610R-1611R-1612

PARTS LISTNote: The parts marked “ ∆” may cause undue microwave exposure.

The parts marked “*” are used in voltage more than 250V. " §" MARK: PARTS DELIVERY SECTION

ELECTRIC PARTS1- 1 FH-DZB012MRY0 M High voltage rectifier assembly 1 AK1- 2 RC-QZA234WRE0 M High voltage capacitor 1 AP1- 3 QFS-TA013WRE0 M Temperature fuse 150˚C (Magnetron) 1 AG1- 4 RMOTDA211WRE0 M Turntable motor 1 AL1- 5 RMOTDA214WRE0 M Stirrer motor 1 AQ1- 6 RTHM-B005MRE0 M Thermal cut-out N.O. 60˚C (Hood Fan) 1 AG1- 7 RTRN-B062MRE0 M Power transformer 1 BF1- 8 RV-MZA281WRE0 M Magnetron 1 BC1- 9 QFSHDB003MRE0 M Fuse holder 1 AD1-10 QSW-MA110WRE0 M Secondary interlock and door sensing switches 2 AE1-11 FFS-BA016/KIT M Monitor switch with fuse assembly 1 AF1-12 FACCDB011MRE0 M Power supply cord 1 AP1-13 QSOCLB006MRE0 M Oven lamp socket 3 AE1-14 FMOTEA366WRK0 M Hood fan motor 1 BE1-15 RMOTEA346WRE0 M Fan motor 1 AR1-16 RLMPTA068WRE0 M Oven lamp 3 AE1-17 RTHM-A070WRE0 M Thermal cut-out 145˚C (Cavity) 1 AG1-18 FDTCTA201WRK0 M AH sensor 1

CABINET PARTS2- 1 LSTY-B021MRP0 M Rear stay 1 AF2- 2 PDIF-B018MRF0 M Hood exhaust louver [R-1610] 1 AT2- 2 PDIF-B019MRF0 M Hood exhaust louver [R-1611] 1 AT2- 2 PDIF-B020MRF0 M Hood exhaust louver [R-1612] 1 AT2- 3 GDAI-B055MRP0 M Right base plate 1 AM2- 4 PCUSUB040MRP0 M Base cover cushion 1 AA2- 5 GCABUB084MRP0 M Outer case cabinet [R-1610] 1 BA2- 5 GCABUB090MRP0 M Outer case cabinet [R-1611] 1 BC2- 5 GCABUB086MRP0 M Outer case cabinet [R-1612] 1 BC2- 6 TMAPCB052MRR0 M Schematic diagram 1 AB2- 7 FANGKB009MRY0 M Hood lamp glass assembly [R-1610] 1 AN2- 7 FANGKB010MRY0 M Hood lamp glass assembly [R-1611] 1 AM2- 7 FANGKB011MRY0 M Hood lamp glass assembly [R-1612] 1 AM2-7-1 LANGQB016MRP0 M Hood lamp glass angle [R-1610] 1 AG2-7-1 LANGQB020MRP0 M Hood lamp glass angle [R-1611] 1 AG2-7-1 LANGQB027MRP0 M Hood lamp glass angle [R-1612] 1 AG2-7-2 PGLSPB004MRE0 M Hood lamp glass 1 AH2- 8 PCOVPB064MRT0 M Base cover [R-1610] 1 AY2- 8 PCOVPB066MRT0 M Base cover [R-1611] 1 AY2- 8 PCOVPB067MRT0 M Base cover [R-1612] 1 AY

CONTROL PANEL PARTS3- 1 CPWBFB037MRU0 M Control unit 13- 1A QCNCMA447DRE0 M 4-pin connector CN-A 1 AA3- 1B QCNCMA448DRE0 M 5-pin connector CN-B 1 AA3- 1C QCNCMA275DRE0 J 2-pin connector CN-E 1 AB3- 1D FW-VZA253DRE0 M Lead wire harness CN-C 1 AUC1 RC-KZA087DRE0 J Capacitor 0.1 uF 50V 1 ABC2 VCEAB31VW108M J Capacitor 1000 uF 35V 1 AFC3 RC-KZA087DRE0 J Capacitor 0.1 uF 50V 1 ABC4-5 VCEAB31VW106M J Capacitor 10 uF 35V 2 ABC100 RC-QZB014MRE0 M Capacitor 7 uF 230V 1 AKC110 RC-QZB019MRE0 M Capacitor 0.033 uF 250V 1 ACD1-4 VHD11ES1///-1 J Diode (11ES1) 4 ABD5-6 VHD1SS270A/-1 J Diode (1SS270A) 2 AAD21-25 VHD1SS270A/-1 J Diode (1SS270A) 5 AAQ1-2 VS2SB1238//-3 J Transistor (2SB1238) 2 AAQ3 VSKRC243M//-3 J Transistor (KRC243M) 1 ABR1 VRD-B12EF242J J Resistor 2.4k ohm 1/4W 1 AAR2 VRD-B12HF681J J Resistor 680 ohm 1/2W 1 AAR3 VRD-B12HF511J J Resistor 510 ohm 1/2W 1 ABR4 VRD-B12EF270J J Resistor 27 ohm 1/4W 1 ABR5 VRD-B12EF472J J Resistor 4.7k ohm 1/4W 1 AAR6 VRD-B12EF332J J Resistor 3.3k ohm 1/4W 1 AAR20 VRD-B12HF102J J Resistor 1k ohm 1/2W 1 AAR110 VRS-A12HA470J J Resistor 47 ohm 1/2W 1 AH

REF. NO. PART NO. § DESCRIPTION Q'TY CODE

**

*∆*

Page 23: SUPPLEMENTAL SERVICE MANUAL031d26d.namesecurehost.com/mwd/r1610_r1611_r1612_sm.pdf · base model R-1600,R-1601 and R-1602. Use this supplemental manual together with the Base Models

21

R-1610R-1611R-1612

REF. NO. PART NO. § DESCRIPTION Q'TY CODERY1-2 RRLY-A113DRE0 M Relay (DU24D1-1PR(M)) 2 AGRY3-4 RRLY-B004MRE0 M Relay (FTR-F3AA024E) 2 AGRY5 RRLY-A112DRE0 M Relay (VE24HSE-K) 1 AHSSR1 RTR--A001DRE0 M Solid state relay 1 AGSP1 RALM-A014DRE0 J Buzzer (PKM22EPT) 1 AGT1 RTRNPB017MRE0 M Transformer 1 BEVRS1 RH-VZA032DRE0 J Varistor (10G471K) 1 AEZD1 VHEHZ161///-1 J Zener diode (HZ-161) 1 AA3- 2 FPNLCB263MRK0 M Control panel sub. assembly [R-1610] 13- 2 FPNLCB264MRK0 M Control panel sub, assembly [R-1611] 13- 2 FPNLCB265MRK0 M Control panel sub, assembly [R-1612] 13- 2-1 FUNTKB213MRE0 M Key unit [R-1610] 13- 2-1 FUNTKB214MRE0 M Key unit [R-1611] 13- 2-1 FUNTKB215MRE0 M Key unit [R-1612] 13- 2-2 GMADIB033MRF0 M Display window [R-1611] 1 AK3- 2-2 GMADIB033MRF0 M Display window [R-1612] 1 AK3- 2-2 GMADIB034MRR0 M Display window [R-1610] 1 AK3- 2-3 XEPSD30P10XS0 M Screw; 3mm x 10mm 1 AB3- 3 LHLD-B011MRF0 M LCD holder 1 AD3- 4 PSHEPB027MRE0 M LED sheet 1 AF3- 5 XEPSD30P10XS0 M Screw; 3mm x 10mm 2 AB

OVEN PARTS4- 1 FFTA-B003MRK0 M Exhaust damper assembly 1 AH4- 2 FROLPB025MRK0 M Turntable support assembly 1 AN4- 3 NTNT-A090WRE0 M Turntable tray 1 AN4- 4 LANGKB010MRP0 M Capacitor holder 1 BB4- 5 FCOVPB016MRK0 M Stirrer cover assembly 1 AN4- 6 FFAN-B010MRK0 M Stirrer fan assembly 1 AH4- 7 ************* M Oven cavity (Not replaceable part) 1 --4- 8 PPACGB014MRF0 M Turntable motor packing 1 AA4- 9 PHOK-B017MRF0 M Latch hook 1 AG4-10 LANGTB036MRP0 M Unit mounting plate 1 AP4-11 NFANPB001MRE0 M Fan blade 1 AC4-12 LBSHC0037WRE0 M Cord bushing 1 AB4-13 PCOVPB065MRP0 M Oven lamp cover 1 AD4-14 PDUC-B095MRP0 M Hood intake duct R 1 AM4-15 PCUSUB039MRP0 M Hood intake duct cushion 1 AA4-16 PFILWB005MRP0 M Lamp filter 1 AB4-17 LANGTB046MRP0 M Chassis support left 1 AD4-18 LANGTB040MRP0 M Chassis support right 1 AE4-19 PDUC-B094MRF0 M Hood duct 1 AL4-20 LHLD-B012MRF0 M Rack holder 4 AF4-21 LSTPPB031MRF0 M Door stopper 1 AC4-22 PCOVPB076MRF0 M Louver cover A [R-1610] 1 AG4-23 PCOVPB077MRF0 M Louver cover B [R-1610] 1 AG4-24 PCOVPB078MRF0 M Louver cover C [R-1610] 1 AG4-25 PDUC-B098MRP0 M Magnetron air guide 1 AC

DOOR PARTS5- 1 FDORFB060MRT0 M Door panel assembly 1 AX5- 2 FCOV-B146MRK0 M Door frame assembly [R-1610] 1 BD5- 2 FCOV-B145MRK0 M Door frame assembly [R-1611] 1 BD5- 2 FCOV-B147MRK0 M Door frame assembly [R-1612] 1 BC5-2-1 PGLSPB012MRE0 M Front door glass [R-1610] 1 AQ5-2-1 PGLSPB014MRR0 M Front door glass [R-1611] 1 AQ5-2-1 PGLSPB013MRR0 M Front door glass [R-1612] 1 AQ5-2-2 LSTPPB030MRF0 M Latch head 1 AC5-2-3 LSTPPB032MRF0 M Glass stopper 1 AC5-2-4 MSPRTA046WRE0 M Latch spring 1 AB5-2-5 GWAKPB105MRR0 M Door frame [R-1610] 1 AZ5-2-5 GWAKPB104MRR0 M Door frame [R-1611] 1 AZ5-2-5 GWAKPB106MRR0 M Door frame [R-1612] 1 AV5- 3 FCOVHB005MRK0 M Choke cover assembly 1 AH5- 4 PSHEPB024MRE0 M Sealer film 1 AF5- 5 FHNDPB002MRK0 M Door handle assembly [R-1610] 1 AL5- 5 FHNDPB001MRK0 M Door handle assembly [R-1611] 1 AL5- 5 FHNDPB003MRK0 M Door handle assembly [R-1612] 1 AL5- 6 XCPSD40P08000 M Screw : 4mm x 8mm 4 AA5- 7 XCPSD40P12000 M Screw : 4mm x 12mm 2 AA

∆∆∆∆∆∆∆

∆∆∆∆

Page 24: SUPPLEMENTAL SERVICE MANUAL031d26d.namesecurehost.com/mwd/r1610_r1611_r1612_sm.pdf · base model R-1600,R-1601 and R-1602. Use this supplemental manual together with the Base Models

22

R-1610R-1611R-1612

REF. NO. PART NO. § DESCRIPTION Q'TY CODE

MISCELLANEOUS6- 1 CFZK-B131MRK0 M Installation material assembly 1 AM6-1-1 LBSHC0040MRE0 M Grommet 1 AC6-1-2 LX-BZ0195WRE0 M Toggle screw 4 AC6-1-3 LX-MZB001MRE0 M Cord holder 1 AB6-1-4 XBRSD50P60000 M Screw : 5mm x 60mm 2 AC6-1-5 XOTSD40P12000 M Screw : 4mm x 12mm 1 AA6-1-6 XTSSD50P35000 M Screw : 5mm x 35mm 6 AA6-1-7 XWHSD50-16300 M Washer 2 AA6- 2 TINSEB177MRR0 M Installation instruction 1 AB6- 3 TINSEB210MRR0 M Operation manual 1 AD6- 4 TINSKB047MRR0 M Top template 1 AC6- 5 TINSKB048MRR0 M Wall template 1 AB6- 6 QW-QZB023MRE0 M High voltage wire A 1 AD6- 7 FW-VZB145MRE0 M Main harness A 1 AU6- 8 TCAUAA025WRR0 M Caution label 2 AA6- 9 TCAUAB037MRR0 M Monitor caution label 1 AA6-10 TCAUAB005MRR0 M DHHS caution label 1 AB6-11 FW-VZB149MRE0 M Stop switch harness 1 AM6-12 PFIL-B004MRE0 M Chacoal filter 1 AH6-13 PFIL-B002MRE0 M Grease filter 2 AF6-14 PCLICB003MRE0 M Canoe clip 1 AA6-15 UAMI-B009MRM0 M Rack 1 AR6-16 TLAB-B039MRR0 M Menu label 16-17 QW-VZB009MRE0 M Sensor ground wire 1

SCREWS,NUTS AND WASHERS7- 1 XCPSD40P08000 M Screw : 4mm x 8mm 2 AA7- 2 XOTSF40P12000 M Screw : 4mm x 12mm [R-1610] 4 AB7- 2 XOTSE40P12000 M Screw : 4mm x 12mm [R-1611] 4 AA7- 2 XOTSD40P12000 M Screw : 4mm x 12mm [R-1612] 4 AA7- 3 XOTSD40P12000 M Screw : 4mm x 12mm 13 AA7- 4 XBTSD40P08000 M Screw : 4mm x 8mm 2 AA7- 5 LX-CZA038WRE0 M Special screw 4 AA7- 6 LX-CZ0052WRE0 M Special screw 2 AA7- 7 LX-BZ0081YBE0 M Screw : 4mm x 8mm 5 AA7- 8 XCPSD30P08000 M Screw : 3mm x 8mm 2 AA7- 9 LX-BZB012MRE0 M Unit mounting screw 2 AD7-10 XCBSD30P08000 M Screw : 3mm x 8mm 3 AA7-11 LX-BZA041WRE0 M Special screw 1 AA

HOW TO ORDER REPLACEMENT PARTS

To have your order filled promptly and correctly, please furnish the following information.

1. MODEL NUMBER 2. REF. NO. 3. PART NO. 4. DESCRIPTION

Order Parts from the authorized SHARP parts Distributor for your area.Defective parts requiring return should be returned as indicated in the Service Policy.

*

Page 25: SUPPLEMENTAL SERVICE MANUAL031d26d.namesecurehost.com/mwd/r1610_r1611_r1612_sm.pdf · base model R-1600,R-1601 and R-1602. Use this supplemental manual together with the Base Models

23

R-1610R-1611R-1612

64 51 2 3

64 51 2 3

A

B

C

D

E

F

G

H

A

B

C

D

E

F

G

H

4-1

1-12

7-3

2-1

2-5

4-13

4-19

2-6

7-4

7-3

6-10

7-5

7-3

7-1

7-10

1-161-13

7-8

1-17

4-177-3

7-9

7-9

4-15

1-10

7-11

4-9

1-10

1-9

7-6

7-7

7-7

1-8

7-10

2-3

2-2

4-6

4-5

4-3

6-13

2-8

1-2

4-14

4-18

6-13

4-2

1-16

1-13

6-14

4-10

7-5

4-11

1-15

4-12

7-3

4-7

4-23

4-24

4-20

4-8

1-4

1-6

1-7

7-8

4-4

1-5

1-3

6-8

4-25

7-3

1-11

7-3

7-3

1-1

7-2

2-4

2-7-1

2-7-2

7-2

2-7

6-9

6-84-16

6-124-22

1-141-18

6-17

x2

4-20

6-16

x2

OVEN AND CABINET PARTS

Page 26: SUPPLEMENTAL SERVICE MANUAL031d26d.namesecurehost.com/mwd/r1610_r1611_r1612_sm.pdf · base model R-1600,R-1601 and R-1602. Use this supplemental manual together with the Base Models

24

R-1610R-1611R-1612

64 51 2 3

64 51 2 3

A

B

C

D

E

F

G

H

A

B

C

D

E

F

G

H

5-6

5-4

5-3

4-21

5-1

5-2-15-2-5

5-2

5-5

5-6

5-7

5-2-4

5-2-2

5-2-3

3-2-2

3-2-1

3-5

3-2-3

3-2

3-4

3-3 3-1

7-3

6-6

6-7

6-15

6-11

6-16-1-1

6-1-2

6-1-3 6-1-7

6-1-5

6-1-6

6-1-4

MISCELLANEOUS

DOOR PARTS

CONTROL PANEL PARTS

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PACKING AND ACCESSORIES

GREASE FILTER (x 2)6-13

INSTALL MATERIAL ASSEMBLY

6-1

6-2

6-3 OPERATION MANUAL

WALL TEMPLATE

INSTALLATION INSTRUCTION

6-4 TOP TEMPLATE

6-5

4-3 TURNTABLE TRAY

6-15 RACK

TOP PADSPADBB026MRE0

BOTTOM PADSPADBB025MRE0

SPADFB045MRE0

SPAKCB233MRR12 [R-1610] SPAKCB233MRR13 [R-1611] SPAKCB233MRR14 [R-1612]

PACKING CASE

ACCESSORY HOLDER

SPADFB047MRE0

RACK HOLDER

WRAP COVERSSAKH0103MRE0

DOOR PADSPADFA020WRE0

Non-replaceable items

DOOR PROTECTORSPADP0221MRE0

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'99 SHARP CORP. (5S2.530E) Printed in U.S.A

COPYRIGHT © 1999 BY SHARP CORPORATION

ALL RIGHTS RESERVED.

No part of this publication may be repro-duced, stored in retrieval systems, or trans-mitted in any form or by any means, elec-tronic, mechanical, photocopying, record-ing, or otherwise, without prior written per-mission of the publisher.