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LG DU-42PX12X Service Manual
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LG DU-42PX12X Service Manual

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All manuals and user guides at all-guides.com
PLASMA TV
SERVICE MANUAL
CHASSIS :AF-044A
MODEL : DU-42PX12XD
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CANADA : http//biz.lgservice.com
USA
: http//www.lgservice.com
: http//lgservice.com/techsup.html

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Summary of Contents for LG DU-42PX12X

  • Page 1 All manuals and user guides at all-guides.com CANADA : http//biz.lgservice.com : http//www.lgservice.com : http//lgservice.com/techsup.html PLASMA TV SERVICE MANUAL CHASSIS :AF-044A MODEL : DU-42PX12XD 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

    All manuals and user guides at all-guides.com TABLE OF CONTENTS SPECIFICATIONS..............4 DESCRIPTION OF CONTROLS ...........5 ADJUSTMENT INSTRUCTIONS ..........8 BLOCK DIAGRAM...............12 EXPLODED VIEW............14,16 EXPLODED VIEW PARTS LIST ........15,17 REPLACEMENT PARTS LIST ..........18 SCHEMATIC DIAGRAM............PRINTED CIRCUIT BOARDS ..........- 3 -...

  • Page 4: Specifications

    All manuals and user guides at all-guides.com SPECIFICATIONS MODEL DU-42PX12XD 41 / 1210 Width (inches / mm) 27.5 / 701 Height (inches / mm) 11.6 / 295 Depth (inches / mm) 79.8 / 36.2 Weight (pounds / kg) Power requirement AC100-240V ~ 50/60Hz Television System NTSC-M, ATSC...

  • Page 5: Description Of Controls

    All manuals and user guides at all-guides.com DESCRIPTION OF CONTROLS Controls Controls - This is a simplified representation of front panel. Image shown may be somewhat different from your TV. Front Panel Controls Front Panel Controls POWER Button MENU Button CHANNEL ( ) Buttons VOLUME (...
  • Page 6 All manuals and user guides at all-guides.com DESCRIPTION OF CONTROLS Connection Options Connection Options Back Connection Panel Back Connection Panel S-VIDEO Input A connection available to provide better A/V 2 picture quality than the video input. VIDEO Input Connects the video signal from a video device.
  • Page 7 All manuals and user guides at all-guides.com DESCRIPTION OF CONTROLS Remote Control Key Functions Remote Control Key Functions - When using the remote control, aim it at the remote control sensor on the TV. LIGHT MODE Illuminates the remote control buttons. Selects the remote operating mode: TV, VCR, DVD, CABLE, HDSTB or AUDIO.

  • Page 8: Adjustment Instructions

    All manuals and user guides at all-guides.com ADJUSTMENT INSTRUCTIONS 1. Application Object Each PCB Assy must be checked by Check JIG Set before These instructions are applied to all of the PDP TV, AF-044A. assembly. (Especially, be careful Power PCB Assy which can cause fatal Damage to PDP Module.) 2.
  • Page 9 All manuals and user guides at all-guides.com ADJUSTMENT INSTRUCTIONS 4-3 Adjustment Method(42/50PY10) (1) Va Adjustment 1) Connect + terminal of D.M.M to Va pin of P805 and connect – terminal to GND pin of P805. 2) Adjust VR351 voltage to match that of the label on the Top/Right of the panel.
  • Page 10 All manuals and user guides at all-guides.com ADJUSTMENT INSTRUCTIONS (2) EDID DATA(50PY10) 6. AD9883A-Set Adjustment EDID for DVI (DDC (Display Data Channel) Data) 6-1 Synopsis EDID table = AD9883A-Set adjustment to set the black level and the Gain 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F of optimum with an automatic movement from the analog =>...
  • Page 11 All manuals and user guides at all-guides.com ADJUSTMENT INSTRUCTIONS 7. Adjustment of White Balance (8) After adjustment is complete, move to Ez - Adjust screen by pressing the ENTER(Y) KEY. Then exit the adjustment mode by press ADJ KEY. 7-1. Required Equipment (1) Color analyzer (CA-100 or similar product) 7-4.

  • Page 12: Block Diagram

    All manuals and user guides at all-guides.com BLOCK DIAGRAM - 12 -...
  • Page 13 All manuals and user guides at all-guides.com NOTES - 13 -...

  • Page 14: Exploded View

    All manuals and user guides at all-guides.com EXPLODED VIEW(X2 Module) - 14 -...

  • Page 15: Exploded View Parts List

    PCB ASSEMBLY,SUB TUNER AF044A DU-42PX12XD 6871VSMF17B PCB ASSEMBLY,SUB P/AMP AF044A DU-42PX10C CONTROL 6871VSMF17C PCB ASSEMBLY,SUB P/AMP AF044A DU-42PX12X/12XC CONTROL, SKD IN RS 3501V00181B POWER SUPPLY ASSEMBLY,POWER DN-42PY10X AF044A MURATA MPF7413 3141VSNB49C CHASSIS ASSEMBLY,SUB RF03FA LINE FILTER ASSY. 7 TURN TWIST...
  • Page 16 All manuals and user guides at all-guides.com EXPLODED VIEW(X2A Module) - 16 -...
  • Page 17 BUTTON,POWER RZ-42PX10 ABS, AF-303S NON SKD 5020V00915A BUTTON,POWER RZ-42PX20 ABS 1KEY NON 6871VSMJ89A PCB ASSEMBLY,SUB TUNER AF044A DU-42PX12XD 6871VSMF17C PCB ASSEMBLY,SUB P/AMP AF044A DU-42PX12X/12XC CONTROL, SKD IN RS 6871VSMF17B PCB ASSEMBLY,SUB P/AMP AF044A DU-42PX10C CONTROL 3501V00181B POWER SUPPLY ASSEMBLY,POWER DN-42PY10X AF044A MURATA MPF7413 31419SF072A...

  • Page 18: Replacement Parts List

    AD9883AKST-110 80P Q110 0TR150400BA CHIP 2SA1504S(ASY) KEC IC310 0IMCRRH001A BA033FP-E2 ROHM 3P-SOP,TO252-3 0TR387500AA CHIP 2SC3875S(ALY) KEC Q111 IC400 0ICTMLG009C LGDT1102C HD2.3 LG IC SBGA-432P Q112 0TR150400BA CHIP 2SA1504S(ASY) KEC IC401 0IMMRSS041D K4S641632H-TL75 54P CHIP 2SC3875S(ALY) KEC Q113 0TR387500AA 0IMMRSS041D K4S641632H-TL75 54P...
  • Page 19 All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION Q124 0TR387500AA CHIP 2SC3875S(ALY) KEC D302 0DD184009AA KDS184 85V 300MA Q125 0TR387500AA CHIP 2SC3875S(ALY) KEC D303 0DD226239AA KDS226 TP KEC Q128 0TR387500AA CHIP 2SC3875S(ALY) KEC...
  • Page 20 All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C150 0CE476SF6DC 47UF MVG 16V 20% C266 0CE107SF6DC 100UF MVG 16V 20% C156 0CE105SK6DC 1UF MVG 50V 20% C272 0CE476SF6DC 47UF MVG 16V 20% C157 0CE477SF6DC...
  • Page 21 All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C415 0CE225VK6DC 2.2UF MV 50V 20% C826 0CE106SF6DC 10UF MVG 16V 20% C418 0CE105SK6DC 1UF MVG 50V 20% C901 0CE107SF6DC 100UF MVG 16V 20% C501 0CE476SF6DC...
  • Page 22 All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION AR301 0RRZVTA001D 22 OHM 1 / 16 W 1608 5% IC105 6200C000009 FILTER,B.P. H354LAI-K5225 AR302 0RRZVTA001D 22 OHM 1 / 16 W 1608 5% IC301 6200C000012 FILTER,B.P.
  • Page 23 All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION L613 6210VC0006A FILTER,EMC FBMH3216 HM501NT L702 6210VC0006A FILTER,EMC FBMH3216 HM501NT L704 6210VC0006A FILTER,EMC FBMH3216 HM501NT FILTER,EMC FBMH3216 HM501NT L707 6210VC0006A L801 6200J000025 FILTER,EMC TO-0927 200UH...
  • Page 24 All manuals and user guides at all-guides.com March, 2005 P/NO : 3828VD0177R Printed in Korea CANADA: LG Electronics Canada, Inc. 550 Matheson Boulevard East Mississauga, Ontario L4Z 4G3 : LG Electronics Alabama Inc. P.O.Box 240007, 201 James Record Road, Bldg. 3,...
  • Page 25 All manuals and user guides at all-guides.com...
  • Page 26 All manuals and user guides at all-guides.com...
  • Page 27 All manuals and user guides at all-guides.com...
  • Page 28 All manuals and user guides at all-guides.com DIGITAL(TOP) DIGITAL(BOTTOM) SIDE A/V(TOP) SIDE A/V(BOTTOM) POWER S/W(TOP) POWER S/W(BOTTOM) CONTROL(TOP) ANALOG(TOP) ANALOG(BOTTOM) CONTROL(BOTTOM)