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PLASMA TV
SERVICE MANUAL
CHASSIS : MF-056C
MODEL : 42PX2RVA
42PX2RVA-ZC
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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Summary of Contents for LG 42PX2RVA

  • 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 : MF-056C MODEL : 42PX2RVA 42PX2RVA-ZC 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 ................14 BLOCK DIAGRAM .....................23 EXPLODED VIEW ....................24 EXPLODED VIEW PARTS LIST ................25 REPLACEMENT PARTS LIST................26 SCHEMATIC DIAGRAM ..................PRINTED CIRCUIT BOARD ..................
  • 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

    All manuals and user guides at all-guides.com DESCRIPTION OF CONTROLS - When using the remote control aim it at the remote control sensor of the set. - There's maybe a defect in consecutive operation of remote control in specified brightness according to this set feature. MUTE POWER Switches the sound on or off.
  • Page 5 All manuals and user guides at all-guides.com <Front Panel Controls> ON/OFF TV/AV MENU Main Power Button MENU Displays on screen menus one by one. Remote Control Sensor Exits the current menu. Memorizes menu changes. Power Standby Indicator (Programme Up/Down) TV/AV Button Illuminates red in standby selects a programme or a menu item.
  • Page 6 All manuals and user guides at all-guides.com <Back Panel> A A V5 COMPONENT COMPONENT AUDIO AUDIO AC INPUT (MONO) (MONO) S-VIDEO S-VIDEO VIDEO VIDEO AUDIO AUDIO A A V1 Antenna HDMI RGB INPUT AUDIO AUDIO AUDIO INPUT A A V4 A A V2 V VARIABLE ARIABLE...
  • Page 7 All manuals and user guides at all-guides.com Accessories Accessories Accessories MUTE POWER TV/AV MULTIMEDIA I/II LIST MENU Q.VIEW TEXT SLEEP REVEAL MODE SIZE UPDATE TIME HOLD INDEX Remote Control handset Owner’s Manual 2-Eye Bolts 1.5V Power Cord Alkaline batteries 2-Wall brackets Joinning the set assembly to the wall to protect the set tumbling - Secure the set assembly by joinning it to a wall by using the Eye Bolts/Wall brackets.
  • Page 8: Specifications

    1) Performance : LGE TV test method followed. 2) Demanded other specification Safety: CE, IEC specification EMC : CE, IEC Model Name Market Remark 42PX2RVA-ZC Safety : IEC/EN60065, EMI : EN55013, EMS : EN55020 General Specification 1. Module Specification Item Specification Remark...
  • Page 9 All manuals and user guides at all-guides.com 2. Model Specification Item Specification Remark Market Broadcasting system PAL B/G/I/D/K, SECAM L/L’ Available channel BRAND SECAM VHF/UHF C1~C69 CATV S1~S47 Receiving system Upper Heterodyne Scart Jack(3EA) PAL, SECAM Video input(2EA) PAL, SECAM, NTSC 4 System : PAL, SECAM, NTSC,PAL60 S-Video Input(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 apply to the MF-056C Chassis. your connection in Communication dialog. (If your connection is ‘NG’, then set your PORT(COM1,2,3,...) correctly.) 2.
  • Page 11 All manuals and user guides at all-guides.com 5-2. Setting of device Each PCB assembly must be checked by check JIG set. (Because power PCB Assembly damages to PDP Module, especially be careful) 4. POWER PCB Assy Voltage Adjustments (Va, Vs Voltage Adjustments) 4-1.
  • Page 12 All manuals and user guides at all-guides.com 6. Auto AV(CVBS) Color Balance Auto adjustment Map(RS-232C) MF-056C : RZ-42PX30 6-1. Requirement Type RS232 - This AV color balance adjustment should be per formed before White Balance Adjustment. Baud Rate Data bit Stop bit Parity 115200...
  • Page 13 All manuals and user guides at all-guides.com 8. Auto Component Color Balance 10. Default Value in Adjustment mode 8-1. Required Test Equipment 10-1. Auto Color Balance(Component/RGB) 1) Remote controller for adjustment Auto Color Balance(Hex) 2) 802F Pattern Generator (Which has 720p Ypbpr output & PC 1024x768 60Hz with Auto-RGB To Set Standard(0.7Vpp) Vertical 100% Color Bar Pattern as Fig.8)
  • Page 14: 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 It is identical Is the Interface screen whole come with Power Off signal operated? out? condition?
  • Page 15 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 - 15 -...
  • Page 16 All manuals and user guides at all-guides.com 1-3. Sanken Power Board Structure T221: Vs Trans T271: Va Trans T121: St-by Trans T201: Low Voltage Trans - 16 -...
  • Page 17 All manuals and user guides at all-guides.com 2. No Power (1) Symptom Does’t minute discharge at module. ¯ Non does not come in into the front LED. ¯ (2) Check follow Is plug in power cord? Plug in power cord. Is connect the Line Filter and Power Connect Cable.
  • Page 18 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 19 All manuals and user guides at all-guides.com 4. No Raster (1) Symptom Does’t minute discharge at module. ¯ It maintains the condition where the front LED is green. ¯ (2) Check follow Is normal the Power Is output the normality Low/High Replace Power Board? voltage except Stand-by 5V?
  • Page 20 All manuals and user guides at all-guides.com 5. In case of occur strange screen into specific mode 5-1. In case of does’t display the OSD (1) Symptom LED is green ¯ The minute discharge continuously becomes ¯ accomplished from module (2) Check follow Is normal the LVDS Is the LVDS cable...
  • Page 21 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 follow Check the all input mode should become normality display.
  • Page 22 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 follow Is normal the SPK Is the SPK cable Replace SPK cable cable? connected well? Cable inserts well.
  • Page 23: Block Diagram

    All manuals and user guides at all-guides.com BLOCK DIAGRAM - 23 -...
  • Page 24: Exploded View

    All manuals and user guides at all-guides.com EXPLODED VIEW - 24 -...
  • Page 25: Exploded View Parts List

    SUPPORTER, ASSY AL FILTER RIGHT RZ-42PX12X 7T SKD 4980V01070E SUPPORTER, ASSY AL FILTER LEFT RZ-42PX12X 7T SKD 5230V00019B FILTER(MECH), RT-42PX10 FG401PAA-05 LG CHEMICAL GLASS FILTER MECH 3809V00605B BACK COVER ASSEMBLY, 42PX17/30 CHASSIS CHANGE C/SKD 3301V00085A PLATE ASSEMBLY, ASSY 3300V00552A RZ-42PX30 PLATE TUNER COVER...
  • Page 26: 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 Q203 0TR150400BA CHIP 2SA1504S(ASY) BK KEC CHIP 2SA1504S(ASY) BK KEC Q204 0TR150400BA 0IPRPML001A IC1000 MIC39100 MICREL 3P SOT223 R/TP Q205 0TR387500AA CHIP 2SC3875S(ALY) BK KEC IC1001...
  • Page 27 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 28 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 29 All manuals and user guides at all-guides.com LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION L1129 6200J000013 MLB-321611-0500P-N2 MAG LAYERS R/TP 6200J000013 MLB-321611-0500P-N2 MAG LAYERS R/TP L1130 D1003 0DL233309AC SAM2333 GREEN:10MCD, RED:6MCD L114 6200JB8010L MLB-201209-1000L-N2 MAG LAYERS R/TP D1103 0DL233309AC SAM2333 GREEN:10MCD, RED:6MCD...
  • Page 30 All manuals and user guides at all-guides.com LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION JK502 6612F00087A UEJ-CV-032 UGCOM EAR JACK 10MM 6612F00087A UEJ-CV-032 UGCOM EAR JACK 10MM JK600 ACCESSORIES 3828VA0541F MANUAL,EN/GE/SP/PO/IT/FR/NE/GR 138M TX 6710V00138M REMOTE CONTROLLER,MF056C 6410VBH003C POWER CORD,MP5004(13A)+V1625 6410VEH003C POWER CORD,M2511A-001 VDE/SEMKO...
  • Page 31 All manuals and user guides at all-guides.com...
  • Page 32 All manuals and user guides at all-guides.com...
  • Page 33 All manuals and user guides at all-guides.com...
  • Page 34 All manuals and user guides at all-guides.com PRINTED CIRCUIT BOARD MAIN (TOP) MAIN (BOTTOM ) POWER(TOP) POWER(BOTTOM) SIDE A/V(TOP) SIDE A/V(BOTTOM) CONTROL(TOP) CONTROL(BOTTOM)
  • Page 35 All manuals and user guides at all-guides.com May, 2005 P/NO : 3828VD0209U Printed in Korea...

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