LG 42PX4DV Service Manual
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LG 42PX4DV Service Manual

Chassis df-054a
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PLASMA TV
SERVICE MANUAL
CHASSIS : DF-054A
MODEL : 42PX4DV
42PX4DV-EA
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
website:http://biz.LGservice.com
e-mail:http://www.LGEservice.com/techsup.html

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  • Page 1 All manuals and user guides at all-guides.com website:http://biz.LGservice.com e-mail:http://www.LGEservice.com/techsup.html PLASMA TV SERVICE MANUAL CHASSIS : DF-054A MODEL : 42PX4DV 42PX4DV-EA CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

  • Page 2: Table Of Contents

    All manuals and user guides at all-guides.com CONTENTS SAFETY PRECAUTIONS ..................3 DESCRIPTION OF CONTROLS ................4 SPECIFICATIONS ....................8 ADJUSTMENT INSTRUCTIONS ...............10 TROUBLE SHOOTING GUIDE ................15 PRINTED CIRCUIT DIAGRAM ................24 BLOCK DIAGRAM .....................28 EXPLODED VIEW ....................30 EXPLODED VIEW PARTS LIST ................31 REPLACEMENT PARTS LIST................32 SCHEMATIC DIAGRAM..................

  • Page 3: Safety Precautions

    All manuals and user guides at all-guides.com SAFETY PRECAUTIONS IMPORT ANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by the Schematic Diagram and Replacement Parts List. It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.

  • Page 4: Description Of Controls

    REVEAL I/II Returns to the previously viewed programme. (In Analogue mode only) VCR/DVD BUTTONS I/II Controls a LG video cassette recorder. Selects the language during dual language controls a LG DVD player. broadcast. Selects the sound output. - 4 -...
  • Page 5 All manuals and user guides at all-guides.com <Front Panel Controls> TV/AV MENU 1. Power Button (Programme Up/Down) Switches the set on from standby or off to standby. Selects a programme or a menu item. Switches the set on from standby. 2.
  • Page 6 All manuals and user guides at all-guides.com <Back Panel> A A V5 S-VIDEO AC INPUT 1. PCMCIA (Personal Computer Memory Card 8. COMPONENT INPUT International Association) Card Slot Connect DVD video outputs to Y, P of COMPONENT INPUT and audio outputs to Audio sockets of AUDIO 2.
  • Page 7 All manuals and user guides at all-guides.com Accessories D/A TV INPUT POWER TEXT MUTE LIST Q.VIEW SIZE UPDATE INDEX STILL TIME REVEAL I/II PIP PR- PIP PR+ SWAP PIP INPUT Owner’s Manual Remote Control handset 2-Eye Bolts 1.5V Alkaline batteries Power Cord 2-Wall brackets Joining the set assembly to the wall to prevent the set tumbling...

  • Page 8: Specifications

    Aspect Ratio 16:9 PDP Module PDP42V7xxxx, RGB Closed Type, Film Filter Operating Environment 1)Temp. : 0~40deg 2)Humidity : 0~85% Storage Environment 3)Temp. : -20~60deg 4)Humidity : 0~85% Input Voltage 100-240V~, 50/60Hz Maker : Sony/ LG Innotek/ Sanken - 8 -...
  • Page 9 All manuals and user guides at all-guides.com 2) Model General Specification Item Specification Remark Market The United Kingdom Broadcasting system 1) PAL-BG 2) PAL-DK 3) PAL-I,I’ 4)DVB-T(ID TV) Receiving system Analog : Upper Heterodyne Digital : COFDM Scart Jack (3EA) PAL, SECAM Video (2EA) PAL, SECAM, NTSC...

  • Page 10: Adjustment Instructions

    All manuals and user guides at all-guides.com ADJUSTMENT INSTRUCTIONS 1. Application Object 3-2. Channel memory Method 1) Select “PDP” and “Hurricane” on Model dialog. And check These instructions is applied all of the 42” PDP TV, DF-054A your connection in Communication dialog. (If your Chassis.
  • Page 11 All manuals and user guides at all-guides.com 4.Sub Program Down Load 1) Select “ PDP” and “Hurricane” on Model dialog. and check your connection in Communication dialog. (If your connection is ‘NG’, then set your PORT(COM1,2,3,...) correctly. 2) Connect RS232 cable and turn on the power. (Use the special Cable for Sub-program) (If your connection has completed, you can see ‘Ready’) 3) Select proper ‘Model’...
  • Page 12 Auto adjustment Map(RS-232C) It is very import to use adjustment pattern like Fig.7 1) Within the pattern, color sequence should be aligned Type DF-054A : 42PX4DV : W-Y-C-G-M-R-BLUE-BLACK (If color seqence is reversed (Black -> ... -> White), Baud Rate...
  • Page 13 All manuals and user guides at all-guides.com 8-3. Adjustment of White Balance (For Manual adjustment) Operate the zero-calibration of the CA-100, then stick sensor to PDP module surface when you adjust. For manual adjustment, it is also possible by the following sequence.
  • Page 14 All manuals and user guides at all-guides.com (Fig. 11) Auto RGB Color Balance Test Pattern 10. Default value in adjustment mode 10-1. Auto Color Balance (Component/RGB) Auto Color Balance(HEX) Auto-RGB To Set Source Cortez Offset1 Green Offset1 Blue Offset1 Offset2 Green Offset2 Blue Offset2...

  • Page 15: Trouble Shooting Guide

    All manuals and user guides at all-guides.com TROUBLE SHOOTING GUIDE 1. Power Board 1-1. The whole flowchart which it follows in voltage output state Start check Doesn't the Is it identical Is the Interface screen whole come with Power Off signal operated? out? condition?
  • Page 16 All manuals and user guides at all-guides.com 1-2. Sony Power Board Structure T502: Vs Trans T702: Va Trans T101: St-by Trans T103: Low Voltage Trans - 16 -...
  • Page 17 All manuals and user guides at all-guides.com 1-3. Sanken, LGIT Power Board Structure T221: Vs Trans T271: Va Trans T121: St-by Trans T201: Low Voltage Trans - 17 -...
  • Page 18 All manuals and user guides at all-guides.com 2. No Power (1) Symptom It is not discharged minutely from the module. ¯ Light does not come in into the front LED. ¯ (2) Check following Is plug in power cord? Plug in power cord. Is the Line Filter and Power Connect the Cable.
  • Page 19 All manuals and user guides at all-guides.com 3. Protect Mode (1) Symptom After once shining, it does not discharge minutely ¯ from module The Rely falls(The sound is audible “click”) ¯ It is converted with the color where the front LED ¯...
  • Page 20 All manuals and user guides at all-guides.com 4. No Raster (1) Symptom It does not discharged from the module. ¯ It maintains the condition where the front LED is green. ¯ (2) Check following Is the Power Board Is output the normality Low/High Replace Power normal? voltage except Stand-by 5V?
  • Page 21 All manuals and user guides at all-guides.com 5. In the case of occurring strange screen into specific mode 5-1. In case the OSD does not displayed (1) Symptom LED is green ¯ The minute discharged continuously becomes ¯ accomplished from module (2) Check following Is the LVDS cable Is the LVDS cable...
  • Page 22 All manuals and user guides at all-guides.com 5-2. In case of does’t display the screen into specific mode (1) Symptom The screen does not become the display from specific input mode ¯ (RF, AV, Component, RGB, DVI). (2) Check following Check the all input mode should become normality display.
  • Page 23 All manuals and user guides at all-guides.com 6. In case of no sound (1) Symptom LED is green ¯ Screen display but sound is not output ¯ (2) Check following Is the SPK cable Is the SPK cable Replace SPK cable normal? connected well? Cable inserts well.

  • Page 24: Printed Circuit Diagram

    All manuals and user guides at all-guides.com PRINTED CIRCUIT BOARD MAIN(TOP) - 24 -...
  • Page 25 All manuals and user guides at all-guides.com MAIN(BOTTOM) - 25 -...
  • Page 26 All manuals and user guides at all-guides.com DIGITAL(TOP) SIDE A/V(TOP, BOTTOM) - 26 -...
  • Page 27 All manuals and user guides at all-guides.com DIGITAL (BOTTOM) CONTROL(TOP) CONTROL(BOTTOM) - 27 -...

  • Page 28: Block Diagram

    All manuals and user guides at all-guides.com BLOCK DIAGRAM - 28 -...
  • Page 29 All manuals and user guides at all-guides.com MEMO - 29 -...

  • Page 30: Exploded View

    All manuals and user guides at all-guides.com EXPLODED VIEW - 30 -...

  • Page 31: Exploded View Parts List

    PWB(PCB) ASSEMBLY,DISPLAY XRRT ASSY HAND INSERT 42V7 XR B/D 6871QYH036A PWB(PCB) ASSEMBLY,DISPLAY YSUS ASSY HAND INSERT 42V7 6871QZH041A PWB(PCB) ASSEMBLY,DISPLAY ZSUS ASSY HAND INSERT 42V7 3091V00863B CABINET ASSEMBLY, 42PX4DV-EA DF054A SECOND TOOL FOR LGEMA PHANTOM 3110V00445C CASE, TOP RT-42PX40 EGI C/SKD 3110V00444C CASE, BOTTOM RT-42PX40 EGI C/SKD 3110V00442C...

  • Page 32: Replacement Parts List

    All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION IC703 6927V1125AA SOFT WARE3.15V E2E5 PDP DF054A 42PX4DV-EA 0IMCR02005A IC800 FLI8532BD-LF GENESIS 416P/PBGA IC100 0IMMRSS107B K4S281632F-UC75,LF 54P,TSOP IC802 0IMMR00023A 24LC32AT-I/SNG(PB FREE) MICRO...
  • Page 33 All manuals and user guides at all-guides.com For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 34 All manuals and user guides at all-guides.com For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 35 All manuals and user guides at all-guides.com For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 36 All manuals and user guides at all-guides.com LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION AR302 0RRZVTA001D 22 OHM 1 / 16 W 1608 5% R/TP 4P E24 COIL 0RRZVTA001D 22 OHM 1 / 16 W 1608 5% R/TP 4P E24 AR303 L1000 6140VB0004B...
  • Page 37 All manuals and user guides at all-guides.com LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION L1107 6210VC0006A FBMH3216 HM501NT 3.2X1.6X1.6MM R/TP SWITCH 6210VC0006A FBMH3216 HM501NT 3.2X1.6X1.6MM R/TP L1108 FBMH3216 HM501NT 3.2X1.6X1.6MM R/TP 6600VR1004A SKHMPW 5P CHIP TACT J-ALPS .V .A L1109 6210VC0006A SW101...
  • Page 38 FBMH3216 HM501NT 3.2X1.6X1.6MM R/TP ACCESSORIES L228 6210VC0006A FBMH3216 HM501NT 3.2X1.6X1.6MM R/TP L300 6210VC0006A FBMH3216 HM501NT 3.2X1.6X1.6MM R/TP 3828VA0536A MANUAL,OWNERS LG EN 141D TX FBMH3216 HM501NT 3.2X1.6X1.6MM R/TP L301 6210VC0006A 6710V00141D REMOTE CONTROLLER,DF054A DI-42PX40 63KEY L301 6210VC0006A FBMH3216 HM501NT 3.2X1.6X1.6MM R/TP...
  • Page 39 All manuals and user guides at all-guides.com...
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  • Page 42 All manuals and user guides at all-guides.com...
  • Page 43 All manuals and user guides at all-guides.com Apr., 2005 P/NO : 3828VD0221A Printed in Korea...

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