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LG 42PX5D Service Manual
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LG 42PX5D Service Manual

LG 42PX5D Service Manual

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PLASMA TV
SERVICE MANUAL
CHASSIS : AF-05FB
MODEL : 42PX5D
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
42PX5D-UB

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Summary of Contents for LG 42PX5D

  • Page 1 CANADA : http//biz.lgservice.com : http//www.lgservice.com : http//lgservice.com/techsup.html PLASMA TV SERVICE MANUAL CHASSIS : AF-05FB MODEL : 42PX5D 42PX5D-UB 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 DESCRIPTION OF CONTROLS ...........4 SPECIFICATIONS..............8 ADJUSTMENT INSTRUCTIONS ..........9 PRINTED CIRCUIT BOARDS ..........18 BLOCK DIAGRAM...............23 EXPLODED VIEW...............24 EXPLODED VIEW PARTS LIST .........25 REPLACEMENT PARTS LIST ..........26 SCHEMATIC DIAGRAM............- 3 -...

  • Page 4: Description Of Controls

    - This is a simplified representation of a front panel. - Here shown may be somewhat different from your TV. - Here shown may be somewhat different from index window position of 42PX5D model. Front Panel Controls Front Panel Controls...

  • Page 5: Connection Options

    DESCRIPTION OF CONTROLS Connection Options Connection Options Back Connection Panel Back Connection Panel S-VIDEO Input A connection is available to provide FRONT A/V INPUT better picture quality than the video S-VIDEO input. VIDEO Input Connects the video signal from a video device.

  • Page 6: 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. TV/VIDEO External input modes rotate in regular sequence: Antenna, Cable, Video, Front POWER Video, Component 1-2, RGB-DTV (or Turns your TV or any other programmed TV/VIDEO...
  • Page 7 DESCRIPTION OF CONTROLS TV INPUT • Rotates the input mode between Antenna and Cable. • Video, Front Video, Component 1-2, RGB-DTV (or RGB-PC), HDMI1/DVI, VCR/DVD BUTTONS HDMI2 • Controls some video cassette recorders TV INPUT TV/VIDEO and IEEE1394 input sources, screen or DVD players.

  • Page 8: Specifications

    SPECIFICATIONS 42PX4D-UB / 42PX5D-UB MODELS 49.3 / 1252 Width (inches / mm) 27.8 / 705.5 Height (inches / mm) 11.3 / 286.7 Depth (inches / mm) 85.3 / 38.7 Weight (pounds / kg) 1024x768 (Dot) Resolution AC100-240V ~ 50/60Hz Power requirement...

  • Page 9: Adjustment Instructions

    ADJUSTMENT INSTRUCTIONS 1. Application Object 4. Gemstar VBI Micom Download These instructions are applied to all of the PDP TV, AF-05FB. 4-1. Preparation for Adjustment (1) As shown below, connect the MPLAB ICD2 equipment, PC and Digital Connector. 2. Notes (2) Turn on the MPLAB ICD2 POWER Supply.
  • Page 10 ADJUSTMENT INSTRUCTIONS (4) Select "Programmer -> Connect". (8) The execution of process (6) is convenient when using the short-cut icon. When connected with the Micom, the display message on 5. Gemstar IR Micom Download the Output window appears as below. 5-1.
  • Page 11 ADJUSTMENT INSTRUCTIONS (3) When the "Select Device" window appears, select the (6) Select "Programmer -> Program". PIC18F242 from "Device" and press OK. (7) Download is executed and about 3 seconds later, the "Programming succeeded" message is displayed on the Output window and the Download process is ended. (8) The execution of process (6) is convenient when using the short-cut icon.
  • Page 12 ADJUSTMENT INSTRUCTIONS (2) Select ‘Connection’ and SET connected to RS-232C. (6) When the Dialog window appears, click OK and the write (3) After clicking "Enter", confirm that "Enter Password:" work will begin. appears. (7) When completed, click ‘CP Data Download: OK’ [ When ‘CP Data Download: OK’...
  • Page 13 ADJUSTMENT INSTRUCTIONS [ When process (11) malfunctions, it is not Download. (9) After opening the ‘DTCP.dat’ file, confirm the key list in the DTCP Key List window. DTCP Download process start again from (8). 7. Gemstar Operation Confirmation 7-1. Required Test Equipment (1) PC with Factory Test Program (2) G-LINK-To-PC Card (Serial GLINK(CN1202)) (3) VBI Inserter (Norpak TES3) - Guide Data Discharge...
  • Page 14 ADJUSTMENT INSTRUCTIONS (5) Confrim that VBI Test, Glink Test and IR Test PASS from the screen. 8. Cable Operation Confirmation (1) Confirm that the Cable Card is inserted in the slot. (2) Enter the EZ adjust menu by pressing Adjust on the Service Remote Control (S R/C).
  • Page 15 ADJUSTMENT INSTRUCTIONS 10. EDID(The Extended Display Each PCB Assy must be checked by Check JIG Set before Identification Data)/DDC assembly. (Especially, be careful Power PCB Assy which can cause Damage to the PDP Module.) (Display Data Channel) download This is the function that enables “Plug and Play". 9.
  • Page 16 ADJUSTMENT INSTRUCTIONS 11-3. Adjustment EDID for HDMI 1 (DDC (Display Data Channel) Data) (1) Select Component1 or Component2 as the input with EDID table = 100% Horizontal Color Bar Pattern(HozTV30Bar) in 720p 0 1 2 3 4 5 6 7 8 9 A B C D E F Mode and select ‘Normal’...
  • Page 17 ADJUSTMENT INSTRUCTIONS 12-3. Adjustment of White Balance Operate the Zero-calibration of the CA-100, then attach sensor to PDP module surface when you adjust. Manual adjustment is also possible by the following sequence. (1) Enter ‘Ez - Adjust’ by pressing ADJ KEY on the Service Remote Control.

  • Page 18: Printed Circuit Boards

    PRINTED CIRCUIT BOARD MAIN DIGITAL(TOP) - 18 -...
  • Page 19 PRINTED CIRCUIT BOARD MAIN DIGITAL(BOTTOM) - 19 -...
  • Page 20 PRINTED CIRCUIT BOARD MAIN ANALOG(TOP) - 20 -...
  • Page 21 PRINTED CIRCUIT BOARD MAIN ANALOG(BOTTOM) - 21 -...
  • Page 22 PRINTED CIRCUIT BOARD SIDE A/V POWER LED(TOP) INDEX(TOP) INDEX(BOTTOM) CONTROL SPDIF(TOP) SPDIF(BOTTOM) - 22 -...

  • Page 23: Block Diagram

    BLOCK DIAGRAM - 23 -...

  • Page 24: Exploded View

    EXPLODED VIEW - 24 -...

  • Page 25: Exploded View Parts List

    POWER SUPPLY ASSEMBLY,420W 1H255W SANKEN 42INCH DCR PSU 3141VSN422A CHASSIS ASSEMBLY,SUB MF056A AC INET ASSY 31419SF014A CHASSIS ASSEMBLY,SUB AF05FB 42PX5D-UB SKD AC INET 6871VSMT96A PCB ASSEMBLY,SUB A/V AF05FB DU-50PX41S SIDE A/V 4811V00173D BRACKET ASSEMBLY,SIDE AV DU-42PX40X RF052C ASSY SIDE AV...

  • Page 26: Replacement Parts List

    TK11840L 8P SOT23L IC1000 0IMCRSJ001B SC1565IST-2.5TR 2.5V 1.5A 3P SOT-223 IC303 0IMMRHY038C HY57V561620CT-H 54PIN IC1001 0ICTMLG017A LGDT3502B LG IC 208P/PBGA IC304 0ICTM00006A LGDT3701 LG SYSTEM IC 128P IC1002 0IMCRFA013A 74LCX244MTC 20P IC305 0IMMRAM006B S29JL064H90TA100 AMD 48P IC1003 0IMCRLT002A LCT1470CS8 8P IC305 0IPRP00538A...
  • Page 27 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION IC903 0IMO744053B MC74HC4053DW 16SOP 3*2CH.MUX Q203 0TR150400BA CHIP 2SA1504S(ASY) KEC Q204 0TR150400BA CHIP 2SA1504S(ASY) KEC TRANSISTOR Q205 0TR387500AA CHIP 2SC3875S(ALY) KEC IC407 0TR830009BA BSS83 Q206 0TR387500AA CHIP 2SC3875S(ALY) KEC IC408 0TR830009BA BSS83...
  • Page 28 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION LED301 0DL233309AC LED,SAM2333 C1218 0CE335SK6DC 3.3UF MVG 50V 20% LED302 0DL233309AC LED,SAM2333 C1219 0CC101CK41A 100PF 1608 50V 5% LED901 C1219 0DL233309AC LED,SAM2333 0CE476SF6DC 47UF MVG 16V 20% C1220 0CC101CK41A 100PF 1608 50V 5%...
  • Page 29 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C1529 0CE336SD6DC 33UF MVG 10V 20% C233 0CE476SF6DC 47UF MVG 16V 20% C1534 0CE226SF6DC 22UF MVG 16V 20% C234 0CE107SF6DC 100UF MVG 16V 20% C1537 C235 0CE106VF6DC 10UF MV 16V 20% 0CE476SF6DC 47UF MVG 16V 20%...
  • Page 30 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C443 0CE106SF6DC 10UF MVG 16V 20% C614 0CK103CK56A 0.01UF 1608 50V 10% C444 0CE106SF6DC 10UF MVG 16V 20% C616 0CE476SF6DC 47UF MVG 16V 20% C445 C618 0CE106SF6DC 10UF MVG 16V 20% 0CE476SF6DC 47UF MVG 16V 20%...
  • Page 31 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C8037 0CK102CK56A 1000PF 1608 50V 0.1 C928 0CK334CF56A 0.33UF 1608 16V 10% C8038 0CK102CK56A 1000PF 1608 50V 0.1 C929 0CK473CH56A 0.047UF 1608 25V 10% C8040 0CK102CK56A 1000PF 1608 50V 0.1 CONNECTOR C8041 0CK102CK56A...
  • Page 32 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION L1700 6140VB0004B COIL,CHOKE 26UH FILTER & CRYSTAL L1701 6140VB0004B COIL,CHOKE 26UH L201 B1000 6140VB0004B COIL,CHOKE 26UH 0LCML00003B FILTER,EMC MLB-201209-0120P-N2 5A L202 6140VB0004B COIL,CHOKE 26UH B1007 0LCML00003B FILTER,EMC MLB-201209-0120P-N2 5A L203 6140VB0004B COIL,CHOKE 26UH...
  • Page 33 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION F1706 6200QJ3001A FILTER,EMC BMS400 25V 200MA L208 6210VC0006A FILTER,EMC FBMH3216 HM501NT F1707 6200QJ3001A FILTER,EMC BMS400 25V 200MA L209 6210VC0006A FILTER,EMC FBMH3216 HM501NT F1708 L210 6200QJ3001A FILTER,EMC BMS400 25V 200MA 6210VC0006A FILTER,EMC FBMH3216 HM501NT F1709...
  • Page 34 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION 6851V00022B CABLE,COAXIAL(100MM),UL1365#26 VW-1 6851V00022C CABLE,COAXIAL(150MM),UL1365#26 VW-1 6850U00002B CABLE,USB SERIAL ATA UL2725 AWG26 800MM 6871VSMQ67A PCB ASSEMBLY,SUB AUDIO SW301 6634D00010B ADAPTER,RF TASA-H301P 75 OHM TU301 TUNER,TDVS-H702P 6700AN0002C TU302 6700NF0019B TUNER,TAFM-H103P TU500...
  • Page 35 March, 2005 P/NO : 3828VD0214G 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...

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