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LG 50PY3DF Service Manual

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Download this manual See also: Owner's Manual
PLASMA TV

SERVICE MANUAL

CHASSIS : PB75A
MODEL : 50PY3DF
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
Internal Use Only
website:http://biz.LGservice.com
50PY3DF-AA

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Summary of Contents for LG 50PY3DF

  • Page 1: Service Manual

    Internal Use Only website:http://biz.LGservice.com PLASMA TV SERVICE MANUAL CHASSIS : PB75A MODEL : 50PY3DF 50PY3DF-AA CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

  • Page 2: Table Of Contents

    BLOCK DIAGRAM ....................31 EXPLODED VIEW .....................40 EXPLODED VIEW PARTS LIST ................41 REPLACEMENT PARTS LIST................42 SCHEMATIC DIAGRAM..................PRINTED CIRCUIT DIAGRAM ................Copyright©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 2 - Only for training and service purposes...

  • Page 3: Safety Precautions

    An other abnormality exists that must be corrected before the receiver is returned to the customer. Copyright©2007 LG Electronics. Inc. All right reserved. - 3 - LGE Internal Use Only Only for training and service purposes...

  • Page 4: Specifications

    PDP50H1(LGE) Operating Environment 1) Temp 0~40deg 2) Humidity : ~80% Storage Environment 1) Temp : -20~60deg 2) Humidity : ~80% Copyright©2007 LG Electronics. Inc. All right reserved. - 4 - LGE Internal Use Only Only for training and service purposes...
  • Page 5 Non extinguishing dot A zone 2cell conjunction point : N=0 Cells/ screen Cell defect distance Total Cell defects Full screen sub pixel Copyright©2007 LG Electronics. Inc. All right reserved. - 5 - LGE Internal Use Only Only for training and service purposes...

  • Page 6: Adjustment Instructions

    - Turn on the JIG. - Run the DDC recording S/W (EDID Data Write & Read). (Execute in DOS mode) Copyright©2007 LG Electronics. Inc. All right reserved. - 6 - LGE Internal Use Only Only for training and service purposes...

  • Page 7: Adjustment Method

    ‘Check Signal Status’ is displayed for 1 second. (MSPG-925FA : -> model : 209, pattern : 65) Copyright©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 7 - Only for training and service purposes...
  • Page 8 3) When it enters into the adjustment mode, the screen is automatically switched to TV 3CH and the following window is displayed. Copyright©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 8 - Only for training and service purposes...
  • Page 9 4) Connect the HDMI Cable to the set. (Limited to the set with HDMI option) 5) Select and adjust the model applicable to PB75A chassis from the adjuster. Copyright©2007 LG Electronics. Inc. All right reserved. - 9 - LGE Internal Use Only Only for training and service purposes...
  • Page 10 C0, C5, C6, S11, C20, C35, C52, C68 COOL CA-100 0.276±0.002 0.283±0.002 Digital MEDIUM CA-100 0.285±0.002 0.293±0.002 WARM CA-100 0.313±0.002 0.329±0.002 Copyright©2007 LG Electronics. Inc. All right reserved. - 10 - LGE Internal Use Only Only for training and service purposes...

  • Page 11: Trouble Shooting Guide

    TROUBLE SHOOTING GUIDE 1. Video (1)NO OSD <FHD> Copyright©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 11 - Only for training and service purposes...
  • Page 12 1. Video (2)NO OSD <FHD> Copyright©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 12 - Only for training and service purposes...
  • Page 13 1. Video (3)Video Path Copyright©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 13 - Only for training and service purposes...
  • Page 14 1. Video (4)RF Mode Copyright©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 14 - Only for training and service purposes...
  • Page 15 1. Video (5) DTV/CAD TV Copyright©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 15 - Only for training and service purposes...
  • Page 16 1. Video (6) DTV Copyright©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 16 - Only for training and service purposes...
  • Page 17 1. Video (7) Component/RGB Copyright©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 17 - Only for training and service purposes...
  • Page 18 1. Video (8) Component/RGB Copyright©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 18 - Only for training and service purposes...
  • Page 19 1. Video (9) HDMI/DVI Copyright©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 19 - Only for training and service purposes...
  • Page 20 1. Video (10) HDMI/DVI Copyright©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 20 - Only for training and service purposes...
  • Page 21 1. Video (11) POWER1 Copyright©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 21 - Only for training and service purposes...
  • Page 22 1. Video (12) POWER2 Copyright©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 22 - Only for training and service purposes...
  • Page 23 2. Audio (1) All path Copyright©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 23 - Only for training and service purposes...
  • Page 24 2. Audio (2) Common Sound Out Copyright©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 24 - Only for training and service purposes...
  • Page 25 2. Audio (3) TV RF No Sound Copyright©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 25 - Only for training and service purposes...
  • Page 26 2. Audio (4) DTV No Sound Copyright©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 26 - Only for training and service purposes...
  • Page 27 2. Audio (5) TV RF No Sound / DTV No Sound Copyright©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 27 - Only for training and service purposes...
  • Page 28 2. Audio (6) AV/Component/RGB No Sound Copyright©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 28 - Only for training and service purposes...
  • Page 29 2. Audio (7) HDMI No Sound Copyright©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 29 - Only for training and service purposes...
  • Page 30 2. Audio (8) AV/Component/RGB No Sound / HDMI No Sound Copyright©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 30 - Only for training and service purposes...

  • Page 31: Block Diagram

    BLOCK DIAGRAM Copyright©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 31 - Only for training and service purposes...
  • Page 32 Copyright©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 32 - Only for training and service purposes...
  • Page 33 Copyright©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 33 - Only for training and service purposes...
  • Page 34 Copyright©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 34 - Only for training and service purposes...
  • Page 35 Copyright©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 35 - Only for training and service purposes...
  • Page 36 Copyright©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 36 - Only for training and service purposes...
  • Page 37 Copyright©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 37 - Only for training and service purposes...
  • Page 38 Copyright©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 38 - Only for training and service purposes...
  • Page 39 MEMO Copyright©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 39 - Only for training and service purposes...

  • Page 40: Exploded View

    EXPLODED VIEW Copyright©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 40 - Only for training and service purposes...

  • Page 41: Exploded View Parts List

    SMPS, AC/DC PSPU-J619A 90VTO264V 670W 47HZ~63HZ UL CSA VDE TUV LGIT 50H1 PSU(MAIN) LG EAY38800801 SMPS, AC/DC PSPU-J619B 90VTO264V 670W 47HZ~63HZ UL CSA VDE TUV 50H1 LGIT PSU2 LG INNOTEK.,LTD. EAM35012702 Filter, AC Line IF2-N10CEWL1 1.1mH 250VAC 10A 0.22uF 1000pF VDE/CSA/K/CCC HOUSING/RING BK DONG IL...

  • Page 42: Replacement Parts List

    C1005X7R104KET 100nF 10% 16V X7R C2195 0CK104BF56A C1005X7R104KET 100nF 10% 16V X7R C215 0CK104BF56A C1005X7R104KET 100nF 10% 16V X7R Copyright © 2007 LG Electronics. Inc. All right reserved. - 42 - LGE Internal Use Only Only for training and service purposes...
  • Page 43 C2012C0G1H101JT 100pF 5% 50V C0G C230 EAE33970001 CS1005X5R105K6R3NR 1uF 10% 6.3V X C300 0CE226WF6DC MVK5.0TP16VC22M 22uF 20% 16V 30MA Copyright © 2007 LG Electronics. Inc. All right reserved. - 43 - LGE Internal Use Only Only for training and service purposes...
  • Page 44 C1005X7R104KET 100nF 10% 16V X7R C356 0CE226WF6DC MVK5.0TP16VC22M 22uF 20% 16V 30MA C428 0CK104BF56A C1005X7R104KET 100nF 10% 16V X7R Copyright © 2007 LG Electronics. Inc. All right reserved. - 44 - LGE Internal Use Only Only for training and service purposes...
  • Page 45 MVK4.0TP16VC10M 10uF 20% 16V 16MA C5020 0CK103CK56A 0603B103K500CT 10nF 10% 50V X7R - C563 0CK103CK56A 0603B103K500CT 10nF 10% 50V X7R - Copyright © 2007 LG Electronics. Inc. All right reserved. - 45 - LGE Internal Use Only Only for training and service purposes...
  • Page 46 C1005X7R104KET 100nF 10% 16V X7R C7003 0CK104BF56A C1005X7R104KET 100nF 10% 16V X7R C769 0CK104BF56A C1005X7R104KET 100nF 10% 16V X7R Copyright © 2007 LG Electronics. Inc. All right reserved. - 46 - LGE Internal Use Only Only for training and service purposes...
  • Page 47 EAN33624401 HYB18TC512160BF-3S 512MBIT 32M x C9038 0CE107WF6DC MVK6.3TP16VC100M 100uF 20% 16V 11 IC201 EAN33931901 TC74LCX16373AFT 2V~3.6V 500uA LAT Copyright © 2007 LG Electronics. Inc. All right reserved. - 47 - LGE Internal Use Only Only for training and service purposes...
  • Page 48 Filter, HH-1M2012-121JT(H:1mm) 120OHM 2X1 FL740 EAM33010401 Filter, MEM2012P25R0 EMI 25MHZ 100pF 400N L718 6200J00005N Filter, HH-1M2012-121JT(H:1mm) 120OHM 2X1 Copyright © 2007 LG Electronics. Inc. All right reserved. - 48 - LGE Internal Use Only Only for training and service purposes...
  • Page 49 MNR14M0ABJ180 18OHM 5% 1/16W 4 SM Q504 0TFDI80001B FET, 2N7002(F) N-CHANNEL DMOSFET 60V + AR207 EBC33751901 MNR14M0ABJ180 18OHM 5% 1/16W 4 SM Copyright © 2007 LG Electronics. Inc. All right reserved. - 49 - LGE Internal Use Only Only for training and service purposes...
  • Page 50 MCR01MZPF180 18OHM 1% 1/16W 1005 R143 0RJ0000C678 MCR01MZPJ000 0OHM 5% 1/16W 1005 R R237 0RJ0182C478 MCR01MZPF180 18OHM 1% 1/16W 1005 Copyright © 2007 LG Electronics. Inc. All right reserved. - 50 - LGE Internal Use Only Only for training and service purposes...
  • Page 51 MCR01MZPJ101 100OHM 5% 1/16W 1005 R3052 0RJ1001C678 MCR01MZPJ102 1KOHM 5% 1/16W 1005 R380 0RJ0222C678 MCR01MZPJ220 22OHM 5% 1/16W 1005 Copyright © 2007 LG Electronics. Inc. All right reserved. - 51 - LGE Internal Use Only Only for training and service purposes...
  • Page 52 MCR01MZPJ000 0OHM 5% 1/16W 1005 R R4045 0RJ0332C678 MCR01MZPJ330 33OHM 5% 1/16W 1005 R4122 0RJ0000C678 MCR01MZPJ000 0OHM 5% 1/16W 1005 R Copyright © 2007 LG Electronics. Inc. All right reserved. - 52 - LGE Internal Use Only Only for training and service purposes...
  • Page 53 MCR03EZPJ102 1KOHM 5% 1/10W 1608 R459 0RJ0000C678 MCR01MZPJ000 0OHM 5% 1/16W 1005 R R5052 0RJ1001D677 MCR03EZPJ102 1KOHM 5% 1/10W 1608 Copyright © 2007 LG Electronics. Inc. All right reserved. - 53 - LGE Internal Use Only Only for training and service purposes...
  • Page 54 MCR01MZPF153 15KOHM 1% 1/16W 1005 R614 0RJ0222C678 MCR01MZPJ220 22OHM 5% 1/16W 1005 R7086 0RJ1502C478 MCR01MZPF153 15KOHM 1% 1/16W 1005 Copyright © 2007 LG Electronics. Inc. All right reserved. - 54 - LGE Internal Use Only Only for training and service purposes...
  • Page 55 Harness, EAD00280504 1-480698-0 1-480698-0 R9017 0RJ0471C678 MCR01MZPJ4R7 4.7OHM 5% 1/16W 1005 EAD36175202 Harness, USB 1000MM CONNECTOR ASSY SMH200 Copyright © 2007 LG Electronics. Inc. All right reserved. - 55 - LGE Internal Use Only Only for training and service purposes...
  • Page 56 PPJ204-01 12.0MM 1RX1C STRAIGHT B JK9000 6612J10025A KCN-BT-0-0055 4P PAL/RCA - ANGLE 6612J10033A PMJ016-13 13P DIN/RCA 14MM ANGLE Copyright © 2007 LG Electronics. Inc. All right reserved. - 56 - LGE Internal Use Only Only for training and service purposes...
  • Page 57 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 58 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 59 PRINTED CIRCUIT BOARD MAIN(TOP) MAIN(BOTTOM) SIDE A/V(TOP) Pre AMP(TOP) Pre AMP(BOTTOM) SIDE A/V(BOTTOM) Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 60 Oct., 2007 P/NO : MFL39056702 Printed in Korea...

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