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SERVICE MANUAL

Product Type:

PLASMA

Chassis:

RF-043A

Manual Series:
Manual Part #:
Model Line:
Product Year:

2004

P42W46X

P42W46XH

Model Series:

CONTENTS

Description of Controls .................................................4
Product Specifications ..................................................7
Adjustment Instructions ................................................8
Diagrams ...................................................................23
Parts List ...................................................................27
Schematics ....................................................................

Published Oct. 2003

by Technical Publications

LG Electronics USA, Inc.

201 James Record Road,

Huntsville, Alabama 35824-1513

Copyright © 2003 by Zenith Electronics Corporation

Printed in Korea

http//www.zenithservice.com

Summary of Contents for P42W46X - 42" Flat Panel Plasma ED-Ready TV

Page 1: ...CONTENTS Description of Controls 4 Product Specifications 7 Adjustment Instructions 8 Diagrams 23 Parts List 27 Schematics Published Oct 2003 by Technical Publications LG Electronics USA Inc 201 James...

Page 2: ...ceiving tube or a resistor rated at 1 watt or more Lead tension around protruding metal surfaces must be avoided 6 After reassembly of the set always perform an AC leakage test on all exposed metallic...

Page 3: ...ROLS 4 SPECIFICATIONS 7 ADJUSTMENT INSTRUCTIONS 8 TROUBLE SHOOTING GUIDE 12 BLOCK DIAGRAM 23 EXPLODED VIEW 26 EXPLODED VIEW PARTS LIST 27 REPLACEMENT PARTS LIST 28 SCHEMATIC DIAGRAM PRINTED CIRCUIT BO...

Page 4: ...ifferent from your TV This manual explains the features available on the P42W46X Front Panel Controls Front Panel Controls Remote Control Sensor VOLUME F F G G Buttons Power Standby Indicator Illumina...

Page 5: ...arate cable Audio Video Input 1 Connect audio video output from an external device to these jacks DVD DTV Input Component 1 2 Connect a component video audio device to these jacks Monitor Output Conne...

Page 6: ...mode POWER Turns your TV on or off MTS Selects the MTS sound Mono Stereo or SAP MENU Brings up the main menu to the screen REVIEW Tunes to the last channel viewed NUMBER buttons ARC Changes the pictu...

Page 7: ...TSC VHF 2 13 UHF 14 69 CATV 1 125 75 16 770 000 256 steps of each R G and B 32 104 F 0 40 C Less than 80 6561 feet 2000m Width inches mm Height inches mm Depth inches mm Weight pounds kg Resolution Po...

Page 8: ...the Gprobe Option Connection Setup or click the icon indicated in the picture and then setup as below the picture In case of the port second one set to the serial port of the connected PC The other o...

Page 9: ...justments 5 1 Test Equipment D M M 1EA 5 2 Connection Diagram for Measuring Refer to Fig 5 5 3 Adjustment Method for P No 3501V00180A B D 1 Va Adjustment 1 After receiving 100 Full White Pattern HEAT...

Page 10: ...VIDEO input AV2 Input 60Hz Refer to Fig 6 3 To adjust stick sensor to 216 Gray Level Pattern press ADJ key twice White Balance on remote control For adjustment and D E on reomte control for adjustment...

Page 11: ...RGB in Model Menu 4 Operate EDID Write command 5 Operate EDID Read command and check whether Check Sum is 53 6 If Check Sum is not 53 repeat 3 4 7 If Check Sum is 53 DDC data for Analog RGB input is...

Page 12: ...ignal Doesn t the high tension output come out Doesn t the VSC signal Vs ON come out Yes Yes High tension output voltage Drop it occurs When remove the Y B D Module Input Connector output voltage Drop...

Page 13: ...13 TROUBLE SHOOTING GUIDE 1 2 Sony Power Board Structure T502 Vs Trans T702 Va Trans T101 St by Trans T103 Low Voltage Trans 1 2 3...

Page 14: ...14 TROUBLE SHOOTING GUIDE 1 3 Sanken Power Board Structure T221 Vs Trans T271 Va Trans T121 St by Trans T201 Low Voltage Trans 1 2 3...

Page 15: ...No Is connect the Power Switch and Power Board Cable Connect Cable Yes No Is normal the Fuse F101 on Power Board Replace Fuse Yes No Is connect the Power Board and 7P of VSC Board Cable Connect Cable...

Page 16: ...e P5 P6 connector of Y B D Is normal the Fuse F52 on Y B D In case of open is replace Yes No Yes Yes Replace Z Board Is normal the Z Board Is normal the output voltage after remove P1 connector of Z B...

Page 17: ...se F52 on Y B D In case of open is replace Yes No Yes Yes Replace Z Board Is normal the Z Board Is normal the output voltage after remove P1 connector of Z B D Is normal the Fuse FS1 FS2 on Z B D In c...

Page 18: ...ule 2 Check follow Is normal the LVDS cable Is normal the VSC Digital Board Is the LVDS cable connected well Cable inserts well Yes No No Yes Operates the Thine IC IC1100 Replace Thine IC IC1100 No Is...

Page 19: ...RF mode 4 In the case of becomes unusual display from RF AV mode Is normal the Tuner Is normal the CXA2069Q Is the Tuner Cable connected well Cable inserts well Yes No No Yes Is normal the VPC3230 Rep...

Page 20: ...n and HV sync No Replace IC No Yes Is normal the Scaler Is normal the Input voltage IIC Communication and HV sync No Replace IC No Is normal the 74LS123 Yes Is normal the CXA2101 Is normal the Input v...

Page 21: ...d HV sync No Replace IC No Is normal the Input voltage IIC Communication and HV sync No Replace IC No Is normal the M52758 Yes Is normal the Scaler Is normal the Input voltage IIC Communication and HV...

Page 22: ...the SPK cable connected well Cable inserts well No No Cable inserts well No Replace IC800 No Replace IC801 No Replace SPK cable Yes Yes Is normal the RGB DVI sound Is the Flat cable connected well No...

Page 23: ...er YCb Cr 8 HY57V64322 SDRAM 8MB RGB PC DTV RGB PC RGB DTV g m 1601 Sc aler Malib u Comp DTV CXA_RGB RGB_Dat a Main_Vid eo 24 Sub _Vid eo 8 DVI_Dat a TX_Out RS232_RX TX Co mp RGB_SW Fro m Malib u Dig...

Page 24: ...M62320FP I2C Exp end er M62320FP I2C Exp end er CXA2069Q UPD64083 UPD64083 VPC3230 MAIN VPC3230 MAIN VPC3230 SUB VPC3230 SUB DVD_SUB DTV_Co mp M52758FP IC400 MUX M52758FP IC400 MUX DVD_MAIN DVD2_MAIN...

Page 25: ...25 NOTES...

Page 26: ...26 EXPLODED VIEW 300 301 304 302 490 303 202 206 200 207 203 204 201 205 580 400 401 430 410 402 520 560 530 531 570 121 601 600 305 120...

Page 27: ...LTER RIGHT RZ 42PX10 4980V01069D SUPPORTER ASSY AL FILTER RIGHT P42W46XH 304 4980V01070A SUPPORTER ASSY AL FILTER LEFT RZ 42PX10 4980V01070D SUPPORTER ASSY AL FILTER LEFT P42W46XH 305 3790V00709B FILT...

Page 28: ...IC1004 IC101 IC102 IC103 IC104 IC1100 IC1100 IC1101 IC1200 IC1201 IC1202 IC1300 IC1301 IC1302 IC1303 IC1304 IC1305 IC1306 IC200 IC201 IC202 IC203 IC204 IC400 IC401 IC500 IC500 IC501 IC502 IC503 IC600...

Page 29: ...2SC3875S ALY KEC CHIP 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC CHIP 2SC3875S ALY KEC LOCA NO...

Page 30: ...MVG 16V 20 100UF MVG 16V M 100UF MVG 16V M 47UF STD 16V M 100UF MVG 16V M LOCA NO PART NO DESCRIPTION C1058 C1059 C106 C1060 C1061 C1063 C1066 C1067 C107 C1072 C1074 C1077 C108 C1081 C1083 C1084 C108...

Page 31: ...47UF MVG 16V M 47UF MVG 16V M 100UF MVG 16V M 100UF MVG 16V M 100UF MVG 16V M 10UF MVG 16V 20 1 0UF 3216 35V 10 47UF MVG 16V M LOCA NO PART NO DESCRIPTION C301 C303 C315 C316 C317 C322 C324 C334 C335...

Page 32: ...6 AR500 AR503 AR507 AR508 AR509 AR512 AR513 AR520 AR521 AR522 AR523 AR524 AR525 AR600 AR600 AR601 AR601 AR602 AR602 AR603 AR603 AR604 AR605 AR606 AR607 AR608 AR609 AR610 AR611 AR612 AR613 AR614 AR615...

Page 33: ...1207 L1210 L1211 L1216 L1217 L1300 L1302 L1307 L1310 L1311 L1312 L1313 L1314 L1315 L1316 L1317 L1318 L1321 L1322 L1325 L1326 L1327 L1328 L1329 L1330 L1331 L1332 L1333 L200 L201 L202 L203 L204 L204 L20...

Page 34: ...LTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC FBMH3216 HM501NT FILTER EMC BK2125 HS 750 FILTER EM...

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Page 40: ...MAIN TOP...

Page 41: ...MAIN TOP PRINTED CIRCUIT BOARD MAIN BOTTOM TUNER TOP TUNER BOTTOM POWER S W TOP SIDE A V TOP SIDE A V BOTTOM CONTROL TOP CONTROL BOTTOM POWER S W BOTTOM...

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