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LG 50PC5D Service Manual
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LG 50PC5D Service Manual

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PLASMA TV
SERVICE MANUAL
CHASSIS :PA75C
MODEL : 50PC5D
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
Internal Use Only
website:http://biz.LGservice.com
50PC5D-UL

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Summary of Contents for LG 50PC5D

  • Page 1 Internal Use Only website:http://biz.LGservice.com PLASMA TV SERVICE MANUAL CHASSIS :PA75C MODEL : 50PC5D 50PC5D-UL CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
  • Page 2 An other abnormality exists that must be corrected before the receiver is returned to the customer. CANADA: LG Electronics Canada, Inc. 550 Matheson Boulevard East Mississauga, Ontario L4Z 4G3 : LG Customer Interactive Center P.O.Box 240007, 201 James Record Road Huntsville,...

  • Page 3: Table Of Contents

    ADJUSTMENT INSTRUCTIONS ..........5 BLOCK DIAGRAM ..............11 EXPLODED VIEW...............20 EXPLODED VIEW PARTS LIST .........21 REPLACEMENT PARTS LIST ..........22 SCHEMATIC DIAGRAM............PRINTED CIRCUIT BOARDS ..........Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 4: Specifications

    32 ~ 104°F (0 ~ 40°C) Operating Humidity Less than 80% Environment condition Storage Temperature -4 ~ 140°F (-20 ~ 60°C) Less than 85% Storage Humidity Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 5: Adjustment Instructions

    - Full White Pattern when the main power is turned on again after being turned off 3) Pattern Mode is deselected by pressing CH +/-, Exit Key. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 6 – terminal to GND pin of P12. 2) Adjust VR951 voltage to match that of the label on the Top/Right of the panel. (Deviation : ±0.5V) Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 7 Equipment (MSPG-925FA => Model: 225, Pattern: 65) (2) Select Component1 as the input with 100% Horizontal Color Bar Pattern(HozTV31Bar) in 1080i Mode and select ‘Normal’ in screen. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 8 60 80 A0 70 38 1F 40 30 20 25 00 C4 8E 21 00 00 1A 70 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 9 R/C to enter Ez Adjust 7.White-Balance, and the pattern is automatically displayed. (When you set the Option to INNER, the default is always set to INNER) Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 10 (8) When the adjustment is completed, press the ENTER ( Á KEY) button to move to the Ez –Adjust screen. Press the ADJ KEY to exit the adjustment mode. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 11: Block Diagram

    BLOCK DIAGRAM Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 12 BLOCK DIAGRAM Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 13 BLOCK DIAGRAM Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 14 BLOCK DIAGRAM Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 15 BLOCK DIAGRAM Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 16 BLOCK DIAGRAM Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 17 BLOCK DIAGRAM Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 18 BLOCK DIAGRAM Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 19 BLOCK DIAGRAM Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 20: Exploded View

    EXPLODED VIEW Copyright © LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 21: Exploded View Parts List

    0CE335WK6D8 "Capacitor,AL,Chip" MVK4.0TP50VC3.3M 3.3uF MFL34797033 "Manual,Owners" PRINTING USER LA75C LG C691 0CE335WK6D8 "Capacitor,AL,Chip" MVK4.0TP50VC3.3M 3.3uF MKJ39927801 Remote Controller COMPLEX PA63E 50PC5D-U C695 0CE107WF6DC "Capacitor,AL,Chip" MVK6.3TP16VC100M 100uF EAD36401701 Power Cord LP-31 + LS-13L LP-31 L C700 0CE105WK6DC "Capacitor,AL,Chip" MVK4.0TP50VC1M 1uF 20% SAC30708014 Title "LC4D-UJ,LC7D-UK,PC5D-U"...
  • Page 22 LOC. NO. PART NO. DESCRIPTION / SPECIFICATION LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C101 0CK104BF56A "Capacitor,Ceramic,Chip" C1005X7R104KET 100nF 1 C220 EAE33970001 "Capacitor,Ceramic,Chip" CS1005X5R105K6R3NR 1uF C102 0CH5101K416 "Capacitor,Ceramic,Chip" C2012C0G1H101JT 100pF C221 EAE33970001 "Capacitor,Ceramic,Chip" CS1005X5R105K6R3NR 1uF C102 0CK475CC94A "Capacitor,Ceramic,Chip" C1608Y5V0J475ZT 4.7uF C222 EAE32479401 "Capacitor,Ceramic,Chip"...
  • Page 23 LOC. NO. PART NO. DESCRIPTION / SPECIFICATION LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C275 0CK103BH56A "Capacitor,Ceramic,Chip" C1005X7R1E103KT- 10nF C356 0CK103CK56A "Capacitor,Ceramic,Chip" 0603B103K500CT 10nF 10 C276 0CK475CC94A "Capacitor,Ceramic,Chip" C1608Y5V0J475ZT 4.7uF C357 0CK225DD66A "Capacitor,Ceramic,Chip" LMK212JB225MG-T 2.2uF C279 0CK104BF56A "Capacitor,Ceramic,Chip" C1005X7R104KET 100nF 1 C359 0CK105CD56A "Capacitor,Ceramic,Chip"...
  • Page 24 LOC. NO. PART NO. DESCRIPTION / SPECIFICATION LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C437 0CK104BF56A "Capacitor,Ceramic,Chip" C1005X7R104KET 100nF 1 C579 0CK104BF56A "Capacitor,Ceramic,Chip" C1005X7R104KET 100nF 1 C438 0CK104BF56A "Capacitor,Ceramic,Chip" C1005X7R104KET 100nF 1 C580 0CK104BF56A "Capacitor,Ceramic,Chip" C1005X7R104KET 100nF 1 C439 0CK104BF56A "Capacitor,Ceramic,Chip"...
  • Page 25 LOC. NO. PART NO. DESCRIPTION / SPECIFICATION LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C652 0CK104BF56A "Capacitor,Ceramic,Chip" C1005X7R104KET 100nF 1 C720 0CH5220K618 "Capacitor,Ceramic,Chip" 0402N220M500LT 22pF 5% C653 0CK104BF56A "Capacitor,Ceramic,Chip" C1005X7R104KET 100nF 1 C721 0CC150BK4AA "Capacitor,Ceramic,Chip" C1005C0G1H150JT 15pF 5 C654 0CK104BF56A "Capacitor,Ceramic,Chip"...
  • Page 26 LOC. NO. PART NO. DESCRIPTION / SPECIFICATION LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C884 0CK104BF56A "Capacitor,Ceramic,Chip" C1005X7R104KET 100nF 1 ZD714 0DZRM00178A "Diode,Zener" UDZS5.1B 5.1V 4.98TO5. C885 0CK104BF56A "Capacitor,Ceramic,Chip" C1005X7R104KET 100nF 1 ZD715 0DZRM00178A "Diode,Zener" UDZS5.1B 5.1V 4.98TO5. C886 0CK104BF56A "Capacitor,Ceramic,Chip"...
  • Page 27 LOC. NO. PART NO. DESCRIPTION / SPECIFICATION LOC. NO. PART NO. DESCRIPTION / SPECIFICATION IC802 0IPMGA0010A "IC,LDO Voltage Regulator" AZ1117H-3.3 4.75TO10V L513 6200J00005N "Filter,Bead" HH-1M2012-121JT(H:1mm) IC803 0IPMGS1006B "IC,LDO Voltage Regulator" SC1566I5M25TRT 2.2V~5. L514 6200J00005N "Filter,Bead" HH-1M2012-121JT(H:1mm) IC804 0IPMGA0010A "IC,LDO Voltage Regulator" AZ1117H-3.3 4.75TO10V L515 6200J00005N "Filter,Bead"...
  • Page 28 LOC. NO. PART NO. DESCRIPTION / SPECIFICATION LOC. NO. PART NO. DESCRIPTION / SPECIFICATION L700 6210TCE001T "Inductor,Multilayer,Chip" FI-A2012-271KJT 270NH AR320 0RZZH033273 "Resistor,Array" MNR04M0ABJ330 33OHM 5% L701 6210TCE001T "Inductor,Multilayer,Chip" FI-A2012-271KJT 270NH AR321 0RZZH033273 "Resistor,Array" MNR04M0ABJ330 33OHM 5% L702 6210TCE001T "Inductor,Multilayer,Chip" FI-A2012-271KJT 270NH AR322 0RZZH033273 "Resistor,Array"...
  • Page 29 LOC. NO. PART NO. DESCRIPTION / SPECIFICATION LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R110 0RJ1001C678 "Resistor,Chip" MCR01MZPJ102 1KOHM 5% R2139 0RJ4701C678 "Resistor,Chip" MCR01MZPJ472 4.7KOHM 5 R1107 0RJ0752C678 "Resistor,Chip" MCR01MZPJ750 75OHM 5% R2140 0RJ4701C678 "Resistor,Chip" MCR01MZPJ472 4.7KOHM 5 R1108 0RJ0752C678 "Resistor,Chip"...
  • Page 30 LOC. NO. PART NO. DESCRIPTION / SPECIFICATION LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R2604 0RJ0342D477 "Resistor,Chip" MCR03EZPF34R0 34OHM 1% R2674 0RJ0000D677 "Resistor,Chip" MCR03EZPJ000 0OHM 5% 1 R2605 0RJ0342D477 "Resistor,Chip" MCR03EZPF34R0 34OHM 1% R2676 0RJ0000C678 "Resistor,Chip" MCR01MZPJ000 0OHM 5% 1 R2606 EBC37049601 "Resistor,Chip"...
  • Page 31 LOC. NO. PART NO. DESCRIPTION / SPECIFICATION LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R413 0RJ4702C678 "Resistor,Chip" MCR01MZPJ473 47KOHM 5% R486 0RJ4701C678 "Resistor,Chip" MCR01MZPJ472 4.7KOHM 5 R414 0RJ0222C678 "Resistor,Chip" MCR01MZPJ220 22OHM 5% R487 0RJ4700C678 "Resistor,Chip" MCR01MZPJ471 470OHM 5% R415 0RJ0222C678 "Resistor,Chip"...
  • Page 32 LOC. NO. PART NO. DESCRIPTION / SPECIFICATION LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R562 0RJ1002C678 "Resistor,Chip" MCR01MZPJ103 10KOHM 5% R692 0RJ2001C678 "Resistor,Chip" MCR01MZPJ202 2KOHM 5% R563 0RJ0000C678 "Resistor,Chip" MCR01MZPJ000 0OHM 5% 1 R693 0RJ0342D477 "Resistor,Chip" MCR03EZPF34R0 34OHM 1% R564 0RJ0000C678 "Resistor,Chip"...
  • Page 33 LOC. NO. PART NO. DESCRIPTION / SPECIFICATION LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R741 0RJ0622D677 "Resistor,Chip" MCR03EZPJ620 62OHM 5% R813 0RJ1000C678 "Resistor,Chip" MCR01MZPJ101 100OHM 5% R742 0RJ0752C678 "Resistor,Chip" MCR01MZPJ750 75OHM 5% R814 0RJ1001E478 "Resistor,Chip" MCR01MZPF102 1KOHM 1% R743 0RJ0000C678 "Resistor,Chip"...
  • Page 34 LOC. NO. PART NO. DESCRIPTION / SPECIFICATION LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R982 0RJ0000C678 "Resistor,Chip" MCR01MZPJ000 0OHM 5% 1 P905 366-932B "Connector,Wafer" GIL-G-03P-S3T2-E(TYPOE 6631900010F "Harness,Single" SMH200-12P SMH200-12P OTHERs 6631900012E "Harness,Single" SMH250 SMH250 300mM 2. 6631900027E "Harness,Single" SMH250 SMH250 300mM 2. IC101 SAA31495603 "S/W,Firmware"...
  • Page 35 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 36 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 37 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 38 MAIN(TOP) CONTROL(TOP) CONTROL(BOTTOM) PREAMP/LED(TOP) PREAMP/LED(BOTTOM) SIDE A/V(TOP) SIDE A/V(BOTTOM) MAIN(BOTTOM) Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 39 Oct, 2007 P/NO : MFL39961606 Printed in Korea...

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