LG 42PX2RVA Service Manual Download

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LOCA. NO PART NO DESCRIPTION

D1003

D1103

LD101

SW101

SW102

SW103

SW104

SW105

SW106

SW107

SW108

SW800

L100

L1004

L1005

L1006

L1007

L1009

L101

L1010

L1011

L1012

L1013

L1014

L1015

L1016

L1017

L1018

L1019

L1020

L1021

L1022

L1023

L1024

L1025

L110

L1105

L1106

L1107

L1108

L111

L1125

L1126

L1127

L1128

0DL233309AC

0DL200000CA

140-315A

6600VM2006A

6600VR1004A

6200J000013

SAM2333 GREEN:10MCD, RED:6MCD

SAM5670(DL-2LRG) BK Y-GREEN

SKHV17910B 12V 0.05A HORIZONTAL 160G

SDDF3PATP011 250V 4A HORIZONTAL .G

SKHMPW 5P J-ALPS .V .A HORIZONTAL .G

MLB-321611-0500P-N2 MAG LAYERS R/TP

LOCA. NO PART NO DESCRIPTION

L1129

L1130

L114

L115

L119

L120

L1204

L1205

L1206

L1207

L1208

L1209

L121

L122

L123

L124

L125

L126

L202

L203

L204

L300

L301

L302

L400

L401

L402

L403

L408

L409

L410

L500

L502

L503

L506

L604

X1200

X300

X400

X800

JK100

JK101

JK102

JK103

JK104

JK1200

JK400

6200J000013

6200JB8010L

6200J000013

6210VC0005A

6200J000013

6200JB8010L

6200J000013

6200JB8010L

6200J000013

6200JB8010L

6200J000013

6200JB8010L

6200J000013

6212AB2845A

166-E02F

156-A02M

6212AB2844A

6612J00043C

6613V00026A

6612J00043C

6612J10012A

6612J00038B

6612B00015B

6612J00037A

MLB-321611-0500P-N2 MAG LAYERS R/TP

MLB-201209-1000L-N2 MAG LAYERS R/TP

MLB-321611-0500P-N2 MAG LAYERS R/TP

BK2125 HS 750 2X1.25X0.85MM R/TP

MLB-321611-0500P-N2 MAG LAYERS R/TP

MLB-201209-1000L-N2 MAG LAYERS R/TP

MLB-321611-0500P-N2 MAG LAYERS R/TP

MLB-201209-1000L-N2 MAG LAYERS R/TP

MLB-321611-0500P-N2 MAG LAYERS R/TP

MLB-201209-1000L-N2 MAG LAYERS R/TP

MLB-321611-0500P-N2 MAG LAYERS R/TP

MLB-201209-1000L-N2 MAG LAYERS R/TP

MLB-321611-0500P-N2 MAG LAYERS R/TP

RESONATOR,CRYSTAL ABLS-27.000MHZ

RESONATOR,CERAMIC CSBLA500KECZF09-B0

RESONATOR,CRYSTAL HC49U 18.432MHZ

RESONATOR,CRYSTAL ABLS-19.6608MHZ

UPJ-R1-031 UGCOM S/T,SCART,SHIELD,SPRING

UJB-03-28A UGCOM 6613V00004S

UPJ-R1-031 UGCOM S/T,SCART,SHIELD,SPRING

UJB-05-02C UGCOM COMPONENT

UJB-03-25B UGCOM 6612RED

DC1R019WDH JAE 0.5MM,19PIN+2PIN,HDMI S/T

UJB-02-12A UGCOM 2P RCA VSHIELD

LED

FILTER & CRYSTAL

SWITCH

JACK

Summary of Contents for 42PX2RVA

Page 1: ...SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS MF 056C MODEL 42PX2RVA 42PX2RVA ZC website http biz LGservice com e mail http www LGEservice com techsup html ...

Page 2: ...ONS 3 DESCRIPTION OF CONTROLS 4 SPECIFICATIONS 8 ADJUSTMENT INSTRUCTIONS 10 TROUBLE SHOOTING GUIDE 14 BLOCK DIAGRAM 23 EXPLODED VIEW 24 EXPLODED VIEW PARTS LIST 25 REPLACEMENT PARTS LIST 26 SCHEMATIC DIAGRAM PRINTED CIRCUIT BOARD ...

Page 3: ... With the instrument AC plug removed from AC source connect an electrical jumper across the two AC plug prongs Place the AC switch in the on position connect one lead of ohm meter to the AC plug prongs tied together and touch other ohm meter lead in turn to each exposed metallic parts such as antenna terminals phone jacks etc If the exposed metallic part has a return path to the chassis the measur...

Page 4: ...e is set to Off Otherwise each press of this button will select a stored favorite pro gramme SSM To select the sound appropriate to your viewing programme character NUMBER buttons SLEEP Sets the sleep timer I II Selects the language during dual lan guage broadcast Selects the sound output TEXT These buttons are used for teletext For further details see the Teletext section COLOURED BUTTONS These b...

Page 5: ...yed selects menu item MENU Displays on screen menus one by one Exits the current menu Memorizes menu changes D D E E Programme Up Down selects a programme or a menu item switches the set on from standby F F G G Volume Up Down adjusts the volume adjusts menu settings Power Standby Indicator Illuminates red in standby mode Illuminates green when the set is turned on ...

Page 6: ...nnect DVD video outputs to Y PB PR of COMPONENT INPUT and audio outputs to Audio sockets of AUDIO INPUT AUDIO VIDEO IN SOCKETS AV4 Connect the audio video out sockets of external equipment to these sockets S VIDEO AUDIO IN SOCKETS Connect the S VIDEO out socket of an VCR to the S VIDEO socket Connect the audio out sockets of the VCR to the audio sock ets as in AV4 5 VARIABLE AUDIO OUTPUT 6 EURO SC...

Page 7: ...cables Ceiling mounting bracket 40 42 50 42 40 Secure the set assembly by joinning it to a wall by using the Eye Bolts Wall brackets Joinning the set assembly to the wall to protect the set tumbling After the set must be mounted on a desktop install the Eye Bolts on the set as shown Insert the 2 Eye Bolts and tighten securely in the holes on the bracket Install the wall brackets on the wall with 2...

Page 8: ...ation by part number in accordance with BOM 5 The receiver must be operated for about 20 minutes prior to the adjustment V Test Method 1 Performance LGE TV test method followed 2 Demanded other specification Safety CE IEC specification EMC CE IEC V General Specification 1 Module Specification Remark Safety IEC EN60065 EMI EN55013 EMS EN55020 Model Name 42PX2RVA ZC Market EU Remark PDP LGE SPEC Mak...

Page 9: ...EA Audio Output 1EA Wired Control No 1 2 3 4 5 6 7 8 9 10 11 12 13 Specification EU PAL B G I D K SECAM L L BRAND PAL SECAM VHF UHF C1 C69 CATV S1 S47 Upper Heterodyne PAL SECAM PAL SECAM NTSC PAL SECAM NTSC Y Cb Cr Y Pb Pr RGB PC RGB DTV HDMI PC HDMI DTV PC Audio 1EA Component AV 2EA Variable Audio Out Discrete IR Remark 4 System PAL SECAM NTSC PAL60 4 System PAL SECAM NTSC PAL60 L R Input L R Ou...

Page 10: ...ly digital pattern cross hatch pattern after image may be occur in the black level part of the screen 3 Channel memory 3 1 Setting up the LGIDS 1 Install the LGIDS idsinst exe 2 After installation restart your PC 3 Extract files zip to folder c LGIDS files 4 Start LGIDS 3 2 Channel memory Method 1 Select PDP and Hurricane on Model dialog And check your connection in Communication dialog If your co...

Page 11: ...quipment 1 Adjusting PC with S W for writing EDID Data S W EDID TESTER Ver 2 5 2 A Jig for EDID Download 3 Cable Serial 9Pin or USB to D sub 15Pin cable D sub 15Pin cable DVI to HDMI cable 5 2 Setting of device 5 3 Preparation for Adjustment 1 As above Fig 5 Connect the Set EDID Download Jig PC Cable 2 Turn on the PC EDID Download Jig And Execute the S W EDID TESTER Ver 2 5 3 Set up S W option Rep...

Page 12: ...remote control for adjustment then operate heat run more than 15 minutes 2 As below Fig 7 Supply Window or Gray step pattern to Video input RZ 42PX30 AV4 AV5 INPUT 50Hz 3 Press the TV AV KEY on R C for converting input mode 4 Set the PSM to Standard mode in Picture menu 5 Enter the White Balance adjustment mode by pressing the INSTART key twice White Balance on R C 6 Stick sensor to center of the ...

Page 13: ...ndard 0 7Vpp horizontal black and white pattern as Fig 10 9 2 Method of Auto RGB Color Balance 1 Input the PC 1024x768 60Hz horizontal black and white pattern into RGB 2 Set the PSM to Standard mode in Picture menu 3 Press ADJ key on R C for adjustment 4 Press the G Vol key operate To set then it becomes automatically 5 Auto RGB OK means completed adjustment 10 Default Value in Adjustment mode 10 ...

Page 14: ... signal 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 it occurs When remove the Y Z B D Module Input Connector Power Board high tension output voltage Drop it occurs Yes No No 9 Check the Power Board Output high tension circuit Yes 10 Check the Z B D ...

Page 15: ... 15 1 2 Sony Power Board Structure 1 2 3 T502 Vs Trans T702 Va Trans T101 St by Trans T103 Low Voltage Trans ...

Page 16: ... 16 1 3 Sanken Power Board Structure 1 2 3 T221 Vs Trans T271 Va Trans T121 St by Trans T201 Low Voltage Trans ...

Page 17: ...ect the Line Filter 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 Yes No After remove the cable connect to Power Board except the CN101 connection cable authorizes the AC voltage marking on manual When ST BY 5V does not operate replace Power Board ...

Page 18: ...tage after remove P5 P6 connector of Y B D Is normal the Fuse FS2 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 case of open is replace Yes No Yes Is normal the X Board Is normal the output voltage after remove P1 2 3 4 5 connector of X B D After remove ...

Page 19: ...s normal the Fuse FS2 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 case of open is replace Yes No Yes Is normal the X Board Is normal the output voltage after remove P1 2 3 4 5 connector of X B D After remove P1 P2 P3 output voltage normality Replace Ri...

Page 20: ...harge continuously becomes accomplished from module 2 Check follow Is normal the LVDS cable Is normal the VSC Board Is the LVDS cable connected well Cable inserts well Yes No No Yes Operates the FIL8532 IC IC800 Replace FIL8532 IC IC800 No Is normal the Ctrl Board of Module Replace Ctrl B D No No Yes Replace VSC B D Replace cable Yes ...

Page 21: ... CXA2069Q Is the Tuner Cable connected well Cable inserts well Yes No No Yes Is normal the FIL8532 Replace Tuner No Is normal the Input voltage IIC Communication and CVBS output Yes Is normal the Input voltage IIC Communication and HV sync No Replace IC No Is normal the Input voltage IIC Communication and HV sync No Replace IC No Is normal the CXA2069Q Yes Is normal the FIL8532 Is normal the Input...

Page 22: ...k follow Is normal the SPK cable Is the SPK cable connected well Cable inserts well No No Replace IC400 No Replace IC401 No Replace SPK cable Yes Yes Is normal the RF AV Component RGB HDMI sound No Operates the IC400 Operates the IC401 Replace IC402 No Operates the IC402 Replace VSC B D Yes Yes ...

Page 23: ... 23 BLOCK DIAGRAM ...

Page 24: ... 24 EXPLODED VIEW 300 301 540 121 601 600 120 305 303 530 501 541 410 580 200 400 203 204 201 205 207 206 202 302 304 430 401 520 ...

Page 25: ...Z 42PX12X 7T SKD 303 4980V01069E SUPPORTER ASSY AL FILTER RIGHT RZ 42PX12X 7T SKD 304 4980V01070E SUPPORTER ASSY AL FILTER LEFT RZ 42PX12X 7T SKD 305 5230V00019B FILTER MECH RT 42PX10 FG401PAA 05 LG CHEMICAL GLASS FILTER MECH 400 3809V00605B BACK COVER ASSEMBLY 42PX17 30 CHASSIS CHANGE C SKD 401 3301V00085A PLATE ASSEMBLY ASSY 3300V00552A RZ 42PX30 PLATE TUNER COVER 410 4980V01071B SUPPORTER ASSY ...

Page 26: ...6239AA 0DD200009AF 0DD200009AF 0DD226239AA 0DD226239AA 0DD226239AA 0DD226239AA 0DD226239AA 0DD226239AA 0DD226239AA 0DD226239AA 0DD226239AA 0DD226239AA 0DD226239AA 0DD226239AA 0DD184009AA 0DS113379BA 0DD226239AA 0DD226239AA 0DD226239AA 0DD226239AA 0DR050008AA 0DR050008AA 0DR050008AA 0DR050008AA CHIP 2SA1504S ASY BK KEC CHIP 2SA1504S ASY BK KEC CHIP 2SC3875S ALY BK KEC CHIP 2SA1504S ASY BK KEC CHIP ...

Page 27: ...T NO DESCRIPTION C1136 C1137 C1138 C1148 C1154 C117 C118 C1185 C119 C1199 C120 C1200 C1201 C121 C1225 C1230 C1231 C1245 C1247 C129 C130 C130 C131 C1311 C1312 C1314 C1315 C1316 C1317 C1318 C135 C1406 C1414 C1415 C1419 C1420 C1424 C1425 C1428 C1438 C1441 C1506 C204 C210 C211 C214 C215 C221 C238 C241 C300 C304 0CE107SF6DC 0CE107SF6DC 0CE107SF6DC 0CE476SF6DC 0CE476SF6DC 0CE227SF6DC 0CE106SF6DC 0CE476S...

Page 28: ... R TP 22UF MVG 16V 20 SMD R TP LOCA NO PART NO DESCRIPTION C905 C930 C950 L1000 L1101 L1102 L1103 L1104 L404 L405 L406 L407 C1 C2 C3 C4 C5 C6 C7 C8 C9 JK500 JK601 AR1200 AR1201 AR1202 AR1203 AR1204 AR1205 AR806 AR807 AR808 AR809 AR810 AR811 AR812 AR813 AR814 AR815 AR816 AR817 R230 R801 R802 0CE226SF6DC 0CE226SF6DC 0CE226SF6DC 6140VB0004B 6140VB0004B 6140VB0004B 6140VB0004B 6140VB0004B 6140VB0032A ...

Page 29: ...ESCRIPTION L1129 L1130 L114 L115 L119 L120 L1204 L1205 L1206 L1207 L1208 L1209 L121 L122 L123 L124 L125 L126 L202 L203 L204 L300 L301 L302 L400 L401 L402 L403 L408 L408 L409 L409 L410 L500 L502 L503 L506 L604 X1200 X300 X400 X800 JK100 JK101 JK101 JK102 JK103 JK104 JK1200 JK400 6200J000013 6200J000013 6200JB8010L 6200JB8010L 6200JB8010L 6200JB8010L 6200J000013 6200J000013 6200J000013 6200J000013 6...

Page 30: ...EJ CV 032 UGCOM EAR JACK 10MM UEJ CV 032 UGCOM EAR JACK 10MM MANUAL EN GE SP PO IT FR NE GR 138M TX REMOTE CONTROLLER MF056C POWER CORD MP5004 13A V1625 POWER CORD M2511A 001 VDE SEMKO FIXERWALL ASSY PDP SET CABLE DVI LVDS UL20276 AWG30 500MM CABLE COAXIAL UL1365 26 150MM FUSE 10000MA 250 V 5 2X20 REMOTE CONTROLLER RECEIVER KSM 603SM12E 1 TUNER TAUM W501P MINI 4 SYSTEM MAIN LOCA NO PART NO DESCRIP...

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Page 34: ...PRINTED CIRCUIT BOARD MAIN TOP MAIN BOTTOM SIDE A V TOP POWER TOP CONTROL TOP CONTROL BOTTOM SIDE A V BOTTOM POWER BOTTOM ...

Page 35: ...May 2005 Printed in Korea P NO 3828VD0209U ...

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