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LG DU-42PX12XD Service Manual

Lg du-42px12xd plasma tv service manual
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Download this manual See also: Owner's Manual
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-42PX12XD

  • Page 1 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: Safety Precautions

    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

    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

    SPECIFICATIONS DU-42PX12XD MODEL 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 Program Coverage VHF 2 ~ 13, UHF 14 ~ 69, CATV 1 ~ 125, CADTV 1 ~ 135.

  • Page 5: Description Of Controls

    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 ( ) Buttons Remote Control Sensor TV/VIDEO Button Power Standby Indicator...
  • Page 6 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. AUDIO Input Use to connect to hear stereo sound from an external device.

  • Page 7: Remote Control Key Functions

    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

    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 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 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 ADJUSTMENT INSTRUCTIONS (8) After adjustment is complete, move to Ez - Adjust screen by 7. Adjustment of White Balance 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

    BLOCK DIAGRAM - 12 -...
  • Page 13 NOTES - 13 -...

  • Page 14: Exploded View

    EXPLODED VIEW(X2 Module) - 14 -...

  • Page 15: Exploded View Parts List

    PCB ASSEMBLY,DISPLAY YSUS ASSY FOR 42X2 6871QZH034A PCB ASSEMBLY,DISPLAY ZSUS ASSY FOR 42X2 3091V00763G CABINET ASSEMBLY 3091V00763H CABINET ASSEMBLY,DU-42PX12XD NON AF044A PC-ABS LGEUS C/SKD 4980V01067J SUPPORTER ASSY,AL FILTER TOP DN-42PX12X 7T 4980V01067K SUPPORTER ASSY,AL FILTER TOP DU-42PX12XD C/SKD 4980V01068J SUPPORTER ASSY,AL FILTER BOT DN-42PX12X 7T...
  • Page 16 EXPLODED VIEW(X2A Module) - 16 -...
  • Page 17 PCB ASSEMBLY,DISPLAY XRRT ASSY _42X2A X-RIGHT(TCP) FOR PB FREE AU 6871QZH054P PCB ASSEMBLY,DISPLAY ZSUS ASSY 42HD 42X2A FOR PB FREE 30919E0035E CABINET ASSEMBLY,DU-42PX12XD NO BRAND 2TONE LGERS LOCAL PH 3091V00763G CABINET ASSEMBLY,DU-42PX12XD NON AF044A PC-ABS LGEUS DCR 4980V01067K SUPPORTER ASSY,AL FILTER TOP DU-42PX12XD C/SKD...

  • Page 18: Replacement Parts List

    0IMCRAD002A AD9883AKST-110 80P 0TR150400BA CHIP 2SA1504S(ASY) KEC Q110 IC310 0IMCRRH001A BA033FP-E2 ROHM 3P-SOP,TO252-3 Q111 0TR387500AA CHIP 2SC3875S(ALY) KEC 0ICTMLG009C LGDT1102C HD2.3 LG IC SBGA-432P IC400 Q112 0TR150400BA CHIP 2SA1504S(ASY) KEC 0IMMRSS041D K4S641632H-TL75 54P IC401 Q113 0TR387500AA CHIP 2SC3875S(ALY) KEC IC402...
  • Page 19 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION Q124 0TR387500AA CHIP 2SC3875S(ALY) KEC D302 0DD184009AA KDS184 85V 300MA CHIP 2SC3875S(ALY) KEC KDS226 TP KEC Q125 0TR387500AA D303 0DD226239AA 0TR387500AA CHIP 2SC3875S(ALY) KEC 0DD184009AA KDS184 85V 300MA Q128 D501 Q129...
  • Page 20 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% 1UF MVG 50V 20% 47UF MVG 16V 20% C156 0CE105SK6DC C272 0CE476SF6DC 0CE477SF6DC 470UF MVG 16V 20% 0CE226SF6DC 22UF MVG 16V 20% C157...
  • Page 21 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% 1UF MVG 50V 20% C418 0CE105SK6DC C901 0CE107SF6DC 100UF MVG 16V 20% 0CE476SF6DC 47UF MVG 16V 20% 0CE477SF6DC 470UF MVG 16V 20% C501...
  • Page 22 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 22 OHM 1 / 16 W 1608 5% FILTER,B.P. TH355LSK-K5218 AR302 0RRZVTA001D IC301 6200C000012 0RRZVTA001D 22 OHM 1 / 16 W 1608 5%...
  • Page 23 6204B60001B OSCILLATOR,27MHZ +/- 100 PPM 3.3V X302 6204B47985K OSCILLATOR,BMS-873R 25MHZ X900 6204B60001B OSCILLATOR,27MHZ +/- 100 PPM 3.3V ACCESSORIES 3828VA0479G MANUAL,OWNERS DU-42PX12XD 6710V00116F REMOTE CONTROLLER 6410VUH005C POWER CORD,BP-301 2800MM V1625 6850TD9007E CABLE,D-SUB UL20276-9C(5.8MM) 6851V00019A CABLE ASSEMBLY,RF CONN 4AC208A0 3M 4972V00178A FIXER,WALL NON ASSY PDP SET...
  • Page 24 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, Huntsville, AL 35824...
  • Page 28 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)

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