LG 42PX4D Service Manual
  1. Manuals
  2. Brands
  3. LG Manuals
  4. Plasma TV
  5. 42PX4D
  6. Service manual
LG 42PX4D Service Manual

LG 42PX4D Service Manual

Hide thumbs Also See for 42PX4D:
Table of Contents

Advertisement

Quick Links

Download this manual See also: Owner's Manual
PLASMA TV
SERVICE MANUAL
CHASSIS : AF-05FB
MODEL : 42PX4D
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
42PX4D-UB
POWER
TV GUIDE

Advertisement

Table of Contents
loading

Related Manuals for LG 42PX4D

Summary of Contents for LG 42PX4D

  • Page 1 CANADA : http//biz.lgservice.com : http//www.lgservice.com : http//lgservice.com/techsup.html PLASMA TV SERVICE MANUAL CHASSIS : AF-05FB MODEL : 42PX4D 42PX4D-UB CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. POWER TV GUIDE...

  • 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

    DESCRIPTION OF CONTROLS Controls 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 INDEX Switches...

  • 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) POWER LED(BOTTOM) 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

    6871VSMT91A PCB ASSEMBLY,SUB TUNER AF05FB DU-42PX41X ANALOG 6871VSMS31A PCB ASSEMBLY,SUB LED AF05GB DN-50PX40 POWER 68719SF003A PCB ASSEMBLY,SUB PAKING AF05FB 42PX4D-UB SUSLLBR POWER LED 6871VSMS39B PCB ASSEMBLY,SUB CONT AF05FB 42PX4D CONTROL KEY 68719SF001A PCB ASSEMBLY,SUB PAKING AF05FC 42PX4D-UB SUSLLBR LOCAL KEY...

  • Page 26: Replacement Parts List

    PPC405GPR-3JB266C 266MHZ,CPU IC302 0ITK118100B TK11840L 8P SOT23L IC1000 0IMCRSJ001B SC1565IST-2.5TR 2.5V 1.5A 3P IC303 0IMMRHY038C HY57V561620CT-H 54PIN IC1001 0ICTMLG017A LGDT3502B LG IC 208P/PBGA IC304 0ICTM00006A LGDT3701 128P IC1002 0IMCRFA013A 74LCX244MTC FAIRCHILD 20P IC305 0IPRP00538A FSA1156P6X-NL 6P/MAA06A IC1003 0IMCRLT002A LCT1470CS8 8P...
  • 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 LED170 0DL233309AC LED,SAM2333 C1211 0CK271CK46A 270PF 1608 50V 5% LED301 0DL233309AC LED,SAM2333 C1213 0CE476SF6DC 47UF MVG 16V 20% LED302 C1214 0DL233309AC LED,SAM2333 0CK105DF64A 1UF 2012 16V 20% LED901 0DL233309AC LED,SAM2333...
  • Page 29 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C1517 0CK103CK56A 0.01UF 1608 50V 10% C223 0CE477SF6DC 470UF MVG 16V 20% C1518 0CK103CK56A 0.01UF 1608 50V 10% C224 0CE107SF6DC 100UF MVG 16V 20% C1519 C226 0CK103CK56A 0.01UF 1608 50V 10% 0CC100CK11A 10PF 1608 50V 0.5 PF...
  • Page 30 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C436 0CE106SF6DC 10UF MVG 16V 20% C6054 0CE106SF6DC 10UF MVG 16V 20% C438 0CE106SF6DC 10UF MVG 16V 20% C610 0CE107VF6DC 100UF MV 16V 20% C439 C611 0CE106SF6DC 10UF MVG 16V 20% 0CC470CK41A 47PF 1608 50V 5%...
  • Page 31 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C803 0CE106VF6DC 10UF MV 16V 20% C921 0CC221CK41A 220PF 1608 50V 5% C8030 0CK103CK56A 0.01UF 1608 50V 10% C923 0CC331CK41A 330PF 1608 50V 5% C8031 C925 0CK334CF56A 0CE106VF6DC 10UF MV 16V 20% 0.33UF 1608 16V 10%...
  • Page 32 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION F1101 6140VB0021A COIL,CHOKE 944CM-0004=P3 SW102 140-315A SWITCH,TACT SKHV17910B 12V L130 6140VB0032A COIL,CHOKE DBF-1015A 15.5UH SW103 140-315A SWITCH,TACT SKHV17910B 12V L131 SW104 6140VB0032A COIL,CHOKE DBF-1015A 15.5UH 140-315A SWITCH,TACT SKHV17910B 12V L132 6140VB0032A COIL,CHOKE DBF-1015A 15.5UH...
  • Page 33 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION B901 0LCML00003B FILTER,EMC MLB-201209-0120P-N2 5A L116 6210VC0005A FILTER,EMC BK2125 HS 750 F1200 6200QJ3001A FILTER,EMC BMS400 25V 200MA L117 6210VC0006A FILTER,EMC FBMH3216 HM501NT F1700 L118 6200QJ3001A FILTER,EMC BMS400 25V 200MA 6210VC0006A FILTER,EMC FBMH3216 HM501NT F1701...
  • Page 34 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION X200 6202VDT002H RESONATOR,CRYSTAL SX-1 18.432000MHZ X401 6202VDT002D RESONATOR,CRYSTAL SX-1SMD 8.0MHZ X6601 6212AB2806A RESONATOR,CRYSTAL SX-1 24.576MHZ X6602 6212AB2806A RESONATOR,CRYSTAL SX-1 24.576MHZ X801 6212AB2845A RESONATOR,CRYSTAL ABLS-27.000MHZ MISCELLANEOUS 6850J00005A CABLE,DVI LVDS UL20276 AWG30 500MM CABLE,COAXIAL(100MM),UL1365#26 VW-1 6851V00022B 6851V00022C...
  • Page 35 March, 2005 P/NO : 3828VD0214B 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...

This manual is also suitable for:

42px4d-ub

Table of Contents