PLASMA TVEXPLODED VIEW and SCHEMATICS

CAUTIONBEFORE SERVICING THE CHASSIS,READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

CHASSIS : PU01A

MODEL : 42PJ350 42PJ350-UB

P/NO : MFL62881502 (1003-REV01) Printed in Korea

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LGE

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200

120

305300

400

580

301

302

303

304

202

240

520

207

206

204

203201

501

590

570

602601

604

900

205

910

Many electrical and m

echanical parts in this chassis have special safety-related characteristics. These

parts are identified by in the Schem

atic Diagram

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A2A10 A9

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42PJ350 EXPLODED VIEW PARTS LIST

ITEM PART No DESCRIPTION

120 EAB60962801 10W 8OHM 81DB 120HZ 169X32X27

200 EAJ60716204 PDP42T10000.ADLGB XGA 42INCH 1024X768 16/9 LG

200 EAJ60716215 PDP42T10000.ASLGB LOCAL, LGERS XGA 42INCH 1024X768 16/9 LG

201 EBR63632301 Control (Logic) board

202 EBR63633601 Y-Drive (Upper)

203 EBR63628801 X-Board (Left)

204 EBR63628701 X-Board (Right)

205 EBR63038301 Y-SUS Board

206 EBR63038801 Z-SUS Board

207 EBR63634601 Z-SUB Board

240 AJJ72916203 Vertical Supporters

300 ABJ72921612 Cabinet Assembly (Front Frame)

301 AJJ72915805 Supp. Filter Assy Top 42PJ2/3/5

302 AJJ72916005 Supp. Filter Assy Right 42PJ2/3/5

303 AJJ72916105 Supp. Filter Assy Left 42PJ2/3/5

304 AJJ72915905 Supp. Filter Assy Bottom 42PJ2/3/5

305 MDJ62065302 Cutting Glass FIlter 42PJ(3/5)

305 MDJ62166501 Cutting Glass FIlter 42PJ(3/5)

400 ACQ74728115 Back Cover Assembly

501 AJJ72916302 Supp. Stand Guide Assy 42PJ2/3/5

520 EBT60953602 Main Board Assembly

570 EBR65007704 IR and Intelligent Sensor Board Assembly

580 EAY60912401 Power Supply Board Assembly (SMPS)

590 EAM60352509 AC Line Filter

601 ABA72940719 Side A/V Bracket

602 MGJ61965303 Side A/V Shield

604 MGJ61965208 Side A/V Decorative Cover (Plate)

900 AAN72941006 Stand

910 MJH61875002 Stand Supporter

A2 AKB72914201 Remote Control

A9 FAB30016602 Screw Stand Body/Base D5.0 L14.0 Washer 2 (D:8.5 , T:1.3)

A10 FAB30016432 Screw (Set and Stand) D5.0 L14.0 Washer 2 (D:7.0 , T:1.0)LV1 EAD42463811 LVDS Cable

Copyright 2010 LG Electronics Inc. All rights reserved.Only for training and service purposes LGE Internal Use Only

arodgersText BoxIR

Copyright 2010 LG Electronics Inc. All rights reserved.Only for training and service purposes LGE Internal Use Only

Copyright 2010 LG Electronics Inc. All rights reserved.Only for training and service purposes LGE Internal Use Only

Copyright 2010 LG Electronics Inc. All rights reserved.Only for training and service purposes LGE Internal Use Only

Copyright 2010 LG Electronics Inc. All rights reserved.Only for training and service purposes LGE Internal Use Only

Copyright 2010 LG Electronics Inc. All rights reserved.Only for training and service purposes LGE Internal Use Only

Copyright 2010 LG Electronics Inc. All rights reserved.Only for training and service purposes LGE Internal Use Only

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Alvie Rodgers C.E.T.NoteIR to Micro

Copyright 2010 LG Electronics Inc. All rights reserved.Only for training and service purposes LGE Internal Use Only

42PJ350 SCHEMATICS and EXPLODED VIEWExploded ViewParts List Exploded View

100 Micro / MStarIC1 (Microprocessor / Video Processor)AC-DETControl_AttenDISP_ENERROR_DETEYE_SDAEYE_SCL(IR In) Called TXKey_CTL_OKey_CTL_1LED_BLED_B_PWMLED_RLED_R_PWMM_ONPOWER_SW POWER_HDMI1POWER_HDMI2RGB_SWRL_ONRS232C_RXDRS232C_TRXDRS232C_RXDRS232C_TRXDSIDEAV_SWSIFTU_SDATU_SCLTuner_ResetTUNER_CVBSVDDP made from 3.3V_MSTVSB_RESETWP_FLASHX1 Crystal (12Mhz)

LED_REDLED_BLUELED_R / LED_R_PWMLED_B / LED_B_PWMD1 ResetD2 (LED-R Routing)SW1 Reset Switch (RESET)System_RST (RESET)

200 DDRIC201 DDR (512 Bit)IC202 NVRAMIC203 Winbond Serial Flash

300 PowerP301 from SMPS Connector+5V from SMPS+16V_Audio from SMPSAUTO_GNDAC_DET from SMPSERROR_DET from SMPSM-ON to SMPSRL_ON to SMPSSTBY 5V from SMPS

IC301 1.8V_MST RegulatorIC302 3.3VST RegulatorIC303 3.3V_MST RegulatorIC304 1.2V_DVDD RegulatorIC306 3.3V_TU RegulatorIC307 1.8V_TU RegulatorIC308 1.3V_VDDC RegulatorQ301 5V_MST Switch DriverQ302 5V_MST SwitchQ303 3.3V_PVSB SwitchQ304 3.3V_PVSB Switch Driver

400IC401 TunerIC402 VSB ProcessorQ401 Tuner CVBS Buffer (Analog)Q402 IF_P BUFFER (Digital)Q403 Tuner SIF Buffer (Digital)Q404 Tuner IF_N Buffer (Digital)D401Tuner IF ClampD402 Control AttenuatorLD401 Tuner Lock LEDVSB (+3.3V_PVSB to +3.3V_DVDD)VSB (+3.3V_PVSB to +3.3V_AVDD)X401 Tuner Crystal 31.875 Mhz for IC401X402 Crystal (25Mhz) for IC402

500IC501 HDCP EEPROMIC502 HDMI 1 EDID DataIC503 HDMI 2 EDID DataIC504 HDMI 3 EDID DataD501 5V Routing to IC502D504 5V Routing to IC503D505 5V Routing to IC504Q501 HDMI 1 HDCP bufferQ502 HDMI CEC AmpQ503 HDMI 2 HDCP bufferQ504 HDMI 3 HDCP bufferJK501 HDMI 1 ConnectorJK501 HDMI 3 Connector

600IC602 PC Audio AmpJK609 Rear Component Input JacksJK607 Rear AV In JackJK606 Component 2 JackJK602 PC AudioJK601 PC In JackJK604 Optical Audio JackJK608 Serial Jig Jack

700IC701 Side USB 5VIC703 RS232 dataQ702 RS232 bufferP701 LVDS Connector (Not UsedP703 HD LVDS ConnectorP704 to Front IR ConnectorJK701 RS232 ConnectorJK702 Side USB JackJK703 Rear USB Jack (Not Used)JK704 IR Jack

800 AudioIC801 Audio AmpP801 Speaker Out+3.3V_AMP_AVDDAC_Det to IC801TAS_RESET to IC801+16V_AUDIO