VACUUM CLEANERSERVICE MANUAL

MODEL: V-C7050NT, V-C7050HTV-C7070CT, V-C7070CP

CAUTION

BEFORE SERVICING THE UNIT, READ THE “SAFETY PRECAUTIONS” IN THIS MANUAL.

2

CONTENTS

SAFETY PRECAUTIONS ......................................................................................................................... 3

CAUTIONS ................................................................................................................................................ 3

DESCRIPTION .......................................................................................................................................... 4

SPECIFICATIONS..................................................................................................................................... 4

DISASSEMBLY ......................................................................................................................................... 5

TROUBLE SHOOTING ..............................................................................................................................6

BLOCK DIAGRAM.....................................................................................................................................9

SCHEMATIC DIAGRAM ............................................................................................................................9

CIRCUIT DIAGRAM .................................................................................................................................. 9

EXPLODED VIEW ...................................................................................................................................13

REPLACEMENT PARTS LIST.................................................................................................................17

APPENDIX .............................................................................................................................................. 19

1. THE TYPE OF POWER CORD & PARTS NUMBER .................................................................................19

2. COLOR & PARTS NUMBER..................................................................................................................20

3. MOTOR & PWB ASSY PARTS NUMBER ................................................................................................20

3

BEFORE OPERATING THIS VACUUM CLEANER, READ THIS SERVICE MANUAL THOROUGHLY,AND OBSERVE EACH POINT CAREFULLY.

BEFORE ATTEMPTING TO SERVICE OR ADJUST ANY PART OF THE VACUUM CLEANER, DISCONNECTTHE ELECTRICAL POWER SUPPLY CORD FROM THE WALL OUTLET.

1. Motor filter(Air Cleaner)

1) This filter is reusable.

2) Never use the vacuum cleaner without filter.It may damage the motor.

3) When the light of body is on, wash the motor filterwith water and brush.

4) Even if the light is not on, wash the motor filter atleast once 6 months.

NOTE : Reusing of the motor filter.

Never wash the filter in a washing machine or in adishwasher.

Never use hot water for washing the filter.

Reuse the filter after drying it completely in theshade for a day.

Do not dry near fire or direct sunray.

2. Exhaust filter(Washable HEPA filter)

1) This filter is reusable HEPA filter.

2) For clean air, theis filter must be assembled.

3) Wash the exhaust filter with water once a year.

NOTE : Reusing of the exhaust filter.

Never wash the filter in a washing machine or in adishwasher.

Never use hot water for washing the filter.

Reuse the filter after drying it completely in theshade for a half day.

Do not dry near fire or direct sunray.

Do not brush the filter. This will cause permanentlydamage allowing dust to by-pass the filter.

3. Avoid suction such materials as :

1) Liquid or wet dust : Clogs the ventilation holes, reduces the suctionpower significantly and harms the motor.

2) Inflammable liquids such as benzene, alcohol or solvents.

3) Burning objects such as cigarette butts.

4) Bulky objects such as vinyl, paper etc.

5) Sharp objects such as needles, pins, metal, glass particles etc.

4. Attachments

• Nozzle : For cleaning wooden floor, the room floor and carpet.

• Dusting Brush and Crevice Tool:For cleaning any crevice, inside corners of windowframes.For delicate vacuuming of fabrics on the furniture,curtains, etc.

• Upholstery Nozzle : For vacuuming the dust on theupholstery.

However, do not use the crevice tool more than 20minutes because it may cause harm to the motor.

5. Close supervision is necessary when this vacuum cleaner is used by or near children. Children’s carelessness may cause damage to the cleaner or injure persons.

6. Air exhausted from the vacuum cleaner isnormally warm. But if extraordinarily hot air isexhausted, check if the telescopic tube, hose orclean filter is clogged or not.

7. Electric shock could occur if used outdoors or on wet surfaces.

1. Motor exchange

1) Separate the Body Cover and Body Base byunfastening the screws.

2) After disconnecting the lead wires, replace the oldmotor with a new one.

2. In case of exchanging other parts. refer to theexploded view.

SAFETY PRECAUTIONS

CAUTIONS

4

DESCRIPTION

SPECIFICATIONS

TelesscopicPipe ASS'Y

Flexible Hose ASS'Y

ATTACHMENTS

Power Cord

Filter Cover

Nozzle ASS'Y

Cord Reel Button

Dust Tank

UPHOLSTERY NOZZLEDUSTING BRUSH & CREVICE TOOL BRUSH ASS'Y

This specifications are subject to change according to the buyer’s request.

• MODEL : REFER TO THE COVER PAGE• POWER SOURCE : ON RATING PLATE• POWER CONSUMPTION : ON RATING PLATE• POWER CONTROL :

- MAIN : SLIDE CONTROL (F/HOSE)(V-C7050HT)MICOM CONTROL (F/HOSE)(V-C7070CT)PUSH ON/OFF(BODY)(V-C7050NT)

- SUB : VACUUM POWER ADJUSTMENT BYSLIDE KNOB (V-C7050NT)

• CORD LENGTH : 7m• HOSE LENGTH : 1.8m• NET WEIGHT : 5.3Kg• PACKING WEIGHT : 8.4Kg• NET DIMENSION : 290 × 443 × 311(W × D × H)mm• PACKING DIMENSION : 330 × 567 × 385(W × D × H)mm• ATTACHMENTS

HOSE ................................................................ 1EATELESCOPIC PIPE ASSY ................................ 1EANOZZLE ASSY.................................................. 1EADUSTING BRUSH & CREVICE TOOL.............. 1EAUPHOLSTERY NOZZLE ................................... 1EABRUSH ASS'Y................................................... 1EA

CANISTER

5

• Almost all the parts of this vacuum cleaner can be disassembled with a screw driver and each connectingcomponent easily fits each other.Disassemble one by one referring to the exploded view.

• If possible, don’t disassemble except for thenecessary parts. It is not necessary to disassemblethe parts that are not detailed in the exploded view.

DISASSEMBLYNOTE: Before attempting to service or adjust any part of the vacuum cleaner, disconnect the electrical

power supply cord from the wall outlet.

Motor Ass'y

Cord Reel Ass'y

1. Body Cover Assembly Replacement1) Remove the dust tank from the set.

2) Remove the four screws fastening the body base.

2) Bring out the motor and disconnect the lead wiresfrom it.

3. Cord Reel Assembly Replacement1) Remove the cord reel cover by unfastening the

screw.

2) Lift the cord reel assembly from the body base.

3) Disassemble the filter cover, widening the both offilter cover, and then pull out the lead wires fromthe push switch.

2. Motor Assembly Replacement1) Unhook the motor housing cover in the direction

of the arrow.

6

TROUBLE SHOOTING1. SWITCH ON BUT MOTOR DOES NOT TURN

2. SWITCH ON, MOTOR DOES NOT TURN BUT BUZZES

CHECKING

CHECK THE POWERSOURCE

The fuse is melt down in thecoverknife switch. Exchange the fuse.

Poor plug insertion Insert again.

Power cord cut Repair or exchange.

Interior lead wire cut Exchange the lead wire.

Motor(stator, armature) coil cut or damaged.

Exchange the motor.

Poor contact carbon brushdefaced.

Exchange or repair the motor.

Poor switch contact point Exchange the switch.

Motor armature cut. Exchange the motor.

Ball bearing defacement Exchange the motor.

Impeller hindrance(Caused by foreign matters)

Remove the foreign matters.

CAUSE SOLUTION

7

3. SWITCH OFF BUT MOTOR TURNS

4. WEAK SUCTION POWER

Carbon brush defacedExchange the carbon brush or the motor.

Motor armature cut Exchange the motor.

Foreign matters attached tothe impeller

Remove the foreign matters.

Low voltageInquire to the power utility company.

Hose and extension wandsare clogged with foreign matters.

Remove the foreign mattersin the hose or extensionwands.

The slide knob on the handle isopened or the control knob islocated on weak position.

Close the slide knob by sliding it.Regulate the knob.

The motor filter is clogged. Clean the motor filter.

The exhaust filter is clogged. Exchange the exhaust filter.

Poor connection Repair.

Poor switch

Low rotation speed

Motor turns normally,but suction power is weak.

Exchange the switch.

8

5. VIBRATION NOISES

6. RADIO, TV RECEPTION DISTURBANCE

7. IMPROPER TUBE OR NOZZLE CONNECTION

Loose parts Secure firmly.

Unbalanced motor assembly Exchange or repair the motor.

Foreign matters are attachedto the impeller.

Remove the foreign matters.

Poor carbon brush rectification Exchange the motor.

Poor cord, lead wire Exchange cord, lead wire.

Poor rectification of carbon brush

Exchange the motor.

Poor electric connector orreceiver

Repair the electric connectoror receiver.

Poor capacitor Exchange the capacitor.

Bent connection parts Exchange the parts.

Poor connection(Caused by foreign matters)

Remove the foreign mattersand reconnect.

Armature is cut or foreignmatters attached.

Exchange the motorRemove foreign matters.

9

BLOCK DIAGRAM (V-C7050NT)

SCHEMATIC DIAGRAM (V-C7050NT)

PRESSURE S/W

POWER S/W CORD REEL ASS'Y

LED PWB ASM

MOTOR

PLUG

MAINPWBASM

GY

GY

BK GY

RDBR BR

RD

BL

BL

T/P

M

C10.47µF250V

C50.1µF250V

C20.1µF250V

R11001/2W

C4100GµF16V

R610,1/2W

D11N4007

Q1C3198

FLICKER

C3

OPTO-TRIAC

1 6

2 4

PRESSURES/W

LED1

6871FX3078

POWER S/W

ZD15.6V

R11470

R73K R9

470

R3110K

R103.9K1/2W

R2331/2W

R433

1/2W

DIAC

T1G

TRIACT2

R81K

+

T/P

POWER S/W

PRESSURE S/W

BR

GY

GY

BR

BK GY

RD

RD

BL

BL

LED PWB ASM

M

MAINPWBASM

T/P

CIRCUIT DIAGRAM (V-C7050NT)

10

BLOCK DIAGRAM (V-C7050HT)

SCHEMATIC DIAGRAM (V-C7050HT)

PRESSURE S/W

SLIDE VOLUME

HOSE

POWER S/WLED PWB ASM

SUBPWBASM

MAINPWBASM

BR BR

RD

RD

BL

BL

BK

GY

GY

GY

T/P

POWER S/W

MOTOR

BD1

C10.47uF/AC250

R1470K1/2W

R10-1470K1/2W

R161.5K

R125.6K

R131K

C42200uF

16V Q3C3198

C30.47uF/100V

D61N4002

R11390

IC2

R14100

R9100

R1512K

S/VOLR5100

D51N4148

Q2A1015

Q1C3198

R713K

R618K

IC1

R411K

R3470

1/2W

C20.1uF630V

T2

T1G

R1100

1/2W

R2330

1/2W

VR/20K

R8

1K

LED1

M

+

TRANSTRANS

PRESSURES/WPRESSURES/W

PHOTO-TRIACPHOTO-TRIAC PHOTO-TRIACPHOTO-TRIAC

T/P

LED PWB ASM

SLIDE VOLUME

PRESSURE S/W

POWER S/W

SUBPWBASM

MAINPWBASM

GY

BR BR

GY M

T/P

CIRCUIT DIAGRAM (V-C7050HT)

11

BLOCK DIAGRAM (V-C7070CT)

DISPLAYPWB ASM

SUBPWBASM

PRESSURES/W

DUSTSENSORPWB ASM

HOSEPWBASM

DUSTSESM

PWB ASM

MAINPWBASM

RD

RD

BL

BLT/P

12

CIRCUIT DIAGRAM (V-C7070CT)

G

M

+

ST

-7L

EL-

7L

+

15 30 20

AV

ref

CST

4.0M

X-TA

L

191M

Xou

t

VS

S

18

R8

Xin

VD

D

R56

R2

330

470

1/2W

BD

1

DF

01M

R6

IC2

KIA

78L0

5P

0.1u

FC

5

O

C4

0.1u

F10

00uF

C3

I

1N40

02

D1

10K

1uF

KRC

107M

Q3

470

R4

100K

R5

2

TLP

762J

F4

1IC

16

R3

1/2W

250V

0.47

uFC

1

TR

AN

S

0.1u

F

100

R163

0V

T1

T2

GSM

12JZ

47T

RIA

CC

2

13

GMS81504(T) R40

/INT

0

RE

SE

T

KRC

107M

BZ

470

R12

1KR11

R55

/BU

Z14

Q2

MIC

OM

MO

TO

R

16V

RB

D

R9

470K

0.1u

FC

6

Q1

C31

98

R7

4.7K

0.01

uFC

7

IC3

179

1% 1%

+5V

+12

V

7042

25V

C13

0.1u

F

470K

1/2

WR

10R

10-1

470K

1/2

W

1/2W

R65

/AN

5

R64

/AN

4

CN

6

0.01

uF25

V

21

CN

7

0.1u

F

10K

R24

C12

C10

10

10K

R23

11

R16

CN

5

0.1u

FC

20

30K

1%2KR17

R24

S/W

4

R22

R23

S/W

2

S/W

3

4.3K

2.2K

R21

S/W

111

K

1.2K

10K

R25

R41

12

KRC

107M

R44

6

Q4

KRC

107M

R45

5

Q5

KRC

107M

R46

4

Q6

2.7KR13

1.5KR14

1.0KR15

1 2 3 4

CN

1

PR

ES

SU

RE

S/W

CN

2

KRC

107M

R04

27

Q14

10R34

KRC

107M

Q13

10R33

KRC

107M

Q12

10R32

KRC

107M

Q11

10R13

KRC

107M

Q15

10R31

KRC

107M

Q16

10R36

KRC

107M

Q17

1R

37

R05

26

R06

25

R07

24

R03

28

R02

29

R01

1

A

CN

8

BC

DE

FG

16V

C8

13

EXPLODED VIEW

152313

140561

249701

135507

146871

139204

252301149741

146611

145103

333002

748382

135506

333003

139202

146811

239402

130401

148201

144411

149308

750063

235505

252311

235504

236601

14

150061

135509

135510

335503

136501

168711

168711

235501

140261

349701

135508

166012

249011

452002

250201

249701

168711

268712

268712

168711

135510

135509

268711

440361

468011

452003

435506

440361

468712

468711

452003

435506

V-C7070CT/CP

V-C7050NT

V-C7050NT/HT V-C7070CT/CP

V-C7050NT

V-C7050NT

V-C7050NT/HT V-C7070CT

268712

15

452151

652012

436501

449321

552491

652031

652032

652481

452151

449321

435501

16

452151

449321435501

17

REPLACEMENT PARTS LIST

130401 Refer to appendix BASE, BODY

135506 3550FI3800A COVER, MOTOR HOUSING

135507 Refer to appendix COVER, CORD REEL

135508 Refer to appendix COVER, BODY SUB

135509 Refer to appendix BOARD, DISPLAY

1355103550FI3805A

COVER, SENSORV-C7050NT/HT

3550FI2513A V-C7070CT/CP

136501 Refer to appendix HANDLE, CARRIER

139202 3920FI3770A PACKING, MOTOR MOUNTING

139204 3920FI3769A PACKING, SEAL

140261 Refer to appendix LATCH, COVER

140561 Refer to appendix LOCKER, DUST CAP

144411 4441FI3605J CASTER, ASS'Y

145103 Refer to appendix LEVER, CORD WINDING

146611 Refer to appendix WHEEL, ASS'Y

146811 Refer to appendix MOTOR ASS'Y, VC

146871 4687FI1420X CORD REEL ASS'Y

148201 4820FI2391A BUMPER, BODY

149308 Refer to appendix HOLDER, PLUG

149741 4974FI2396A GUIDE, EXHAUST

150061 5006FI3691A CAP, HANDLE

152313 5231FI3768A FILTER ASS'Y, CLEAN

166012 6601FI3488A SWITCH ASS'Y, PRESSURE

168711 Refer to appendix PWB(PCB) ASS'Y, MAIN

168711 Refer to appendix PWB(PCB) ASS'Y, MAIN

268711 Refer to appendix PWB(PCB) ASS'Y, SUB

235501 Refer to appendix COVER, BODY

235504 3550FI2504B COVER, EXHAUST FILTER-R

235505 3550FI2503B COVER, EXHAUST FILTER-L

236601 3660FI2286A HOUSING(MECH), MOTOR

239402 3940FI3646A SPONGE, ABSORBING

LOCATION NO. PART NO. DESCRIPTION APPLICATION REMARK

18

249011 4901FI3435B DAMPER, ASS'Y

249701 4970FI4724A SPRING, BUTTON V-C7050NT

250201 Refer to appendix BUTTON, POWER SWITCH

252301 5231FI3758C FILTER ASS'Y, CLEAN

252311 5231FI3767A FILTER ASS'Y, EXHAUST

2687126871FX3078A

PWB(PCB) ASS'Y, DISPLAYV-C7050NT/HT

6871XF3080A V-C7070CT/CP

333002 Refer to appendix PLATE, COVER(L)

333003 Refer to appendix PLATE, COVER(R)

335503 Refer to appendix COVER ACCESSARY

349701 Refer to appendix SPRING, LATCH

435501 3550FI1553A COVER, GRIP HANDLE

435506 3550FI3802A COVER, TERMINAL

436501 3650FI1485C HANDLE, GRIP

440361 4036FI3603A SEAL, PIPE

4493214932FI2364D

CONNECTOR(MECH), HOSE ASMV-C7050NT/HT

4932FI2723A V-C7070CT/CP

452002 5200FI2480A PIPE, CONNECTOR

452003 Refer to appendix PIPE, CONNECTOR-H

452151 5215FI1315E HOSE ASS'Y, FLEXIBLE

468711 6871FX3077A PWB ASS'Y SENSOR V-C7070CT/CP

468712 6871FX3077B PWB ASS'Y SENSOR V-C7070CT/CP

552491 5249FI1399C NOZZLE ASS'Y, FLOOR

652012 Refer to appendix PIPE ASS'Y, TELESCOPIC

652031 5203FI2069A BRUSH ASS'Y, DUST

652032 5203FI3744A BRUSH ASS'Y, FILTER-CLEANER

652481 5248FI3454A NOZZLE, UPHOLSTERY

748382 Refer to appendix TANK, DUST

750063 Refer to appendix CAP, DUST

LOCATION NO. PART NO. DESCRIPTION APPLICATION REMARK

19

APPENDIX

1. THE TYPE OF POWER CORD & PARTS NUMBER

TYPE

A-1

S-1

C-2

C-1

B-3

4687FI1420X

TYPE OF PLUG CORD REEL ASSY P/NO.(L/NO.146871)

17

12.7

19

19

4.8

19

19

4

17

6.3

Color identificationof fuse

Brown

Yellow

Blue

13A

5A

3A

20

2. COLOR & PARTS NUMBER

3. MOTOR & PWB ASS’Y PARTS NUMBER

PART NO. REMARKLOCATION NO.

DESCRIPTION

4681FI2451A VMC400E5, 230V/50Hz V-C7030NT

4681FI12457A VMC420E5, 230V/50Hz V-C7040TN/C7045HT

4681FI2456B VMC460E5, 220~230V/50Hz V-C7050NT/HT

4681FI2456D VMC460E8, 220~230V/50Hz V-C7070CT/CP146811 MOTOR ASS'Y, VC

4681FI2456E VMC460E9, 240V/50Hz V-C7070CT/CP

240V/50Hz

110V/60Hz

120V/60Hz

PART NO. REMARKLOCATION NO.

DESCRIPTION

168711 PWB(PCB) ASS'Y, MAIN 6871FX2136A V-C7050NT168711 PWB(PCB) ASS'Y, MAIN 6871FX2141A V-C7050HT/V-C7070CT

268711 PWB(PCB) ASS'Y, SUB6871FX2142A V-C7050HT6871FX2145A V-C7070CT

LOCATION NO. DESCFIPTION LIGHT SILVER NOBLE DEEP BLUE NOBLE RED YELLOW GREEN DEEP BLACK REMARK130401 BASE BODY 3040FI1487B 3040FI1487B 3040FI1487E135507 COVER, CORD REEL 3550FI1558B 3550FI1558B 3550FI1558E135508 COVER, BODY SUB 3550FI1561B 3550FI1561B 3550FI1561E135509 BOARD, DISPLAY 3500FI2240B 3500F22240B 3500F22243E

136501 HANDLE, CARRIER3650FI1486B 3650FI1486B V-C7050NT/HT3651FI1309A 3651FI1309C V-C7070CT/CP

140261 LATCH, COVER 4026FI3669B 4026FI3669A 4026FI3669D140561 LOCKER, DUST CAP 4056FI3648D 4056FI3648D 4056FI3648D145103 LEVER, CORD WINDING 4510FI3598B 4510FI3598B 4510FI3598E146611 WHEEL, ASS'Y 4661FI3613B 4661FI3613B 4661FI3613E148201 BUMPER, BODY 4820FI2391B 4820FI2391B 4820FI2391E149308 HOLDER, PLUG 4930FI2448B 4930FI2448B 4930FI2448E235501 COVER, BODY 3550FI1560B 3550F21560B 3550FI1560F250201 BUTTON, POWER SWITCH 5020FI3771B 5020FI3771A 5020FI3771D333002 PLATE, COVER(L) 3300FI3683B 3300FI3683B 3300FI3683E333003 PLATE, COVER(R) 3300FI3684B 3300FI3684B 3300FI3684E335503 COVER, ACCESSARY 3550FI1559B 3550FI1559B 3550FI1559D435501 COVER, GRIP HANDLE 3550FI1553Q 3550FI1553Y V-C7070CT/CP452003 PIPE, CONNECTOR-H 5200FI1215B 5200FI1215B 5200FI1215K

452151 HOSE ASS'Y, FLEXIBLE5215FI1319D 5215FI1319E V-C7070CT5215FI1315E 5215FI1315E V-C7050NT5215FI1320B 5215FI1320C 5215FI1320K V-C7050HT

652012 PIPE ASS'Y TELESCOPIC5201FI1004A 5201FI2446D5210FI2446D

748382 TANK, DUST 4838FI1397B 4838F21397B 4838FI1397D750063 CAP, DUST 5006FI1327B 5006F21327B 5006FI1327E

21

MEMO

22

MEMO

P/No. : 3828FI3816ADecember, 2001Printed in Korea