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PLASMA TV
SERVICE MANUAL
CHASSIS : PP61A
MODEL : 42PC1RV/RVA
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
42PC1RV/RVA-ZJ
website:http://biz.LGservice.com
e-mail:http://www.LGEservice.com/techsup.html

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Summary of Contents for LG 42PC1RV/RVA

  • Page 1 PLASMA TV SERVICE MANUAL CHASSIS : PP61A MODEL : 42PC1RV/RVA 42PC1RV/RVA-ZJ CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
  • Page 2: Table Of Contents

    CONTENTS SAFETY PRECAUTIONS ..................3 DESCRIPTION OF CONTROLS ................4 SPECIFICATIONS ....................9 ADJUSTMENT INSTRUCTIONS ...............11 TROUBLE SHOOTING GUIDE ................16 PRINTED CIRCUIT DIAGRAM ................26 BLOCK DIAGRAM .....................29 EXPLODED VIEW ....................30 EXPLODED VIEW PARTS LIST ................31 REPLACEMENT PARTS LIST................32 SCHEMATIC DIAGRAM..................
  • Page 3: Safety Precautions

    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

    DESCRIPTION OF CONTROLS POWER Switches the set on from standby or off to standby. INPUT POWER Returns from AV1 , AV2 , S-Video2 , AV3 , AV4 (except TV INPUT INPUT 42PC3RV * ), Component , RGB , HDMI1/DVI or to the TV mode.
  • Page 5 MODE Selects the remote operating modes. INPUT POWER These buttons are used for teletext. TELETEXT INPUT BUTTONS For further details, see the ‘Teletext’ section. TEXT SIZE POSTION PIP PR- PIP PR+ PIP INPUT Allows you to navigate the on-screen menus and THUMBSTICK (Up/Down/Left adjust the system settings to your preference.
  • Page 6: Front Panel Controls

    Front Panel Controls INPUT MENU Power/Standby Indicator • illuminates red in standby mode. • illuminates white when the set is switched on. INPUT MENU INPUT MENU INPUT Button OK Button PROGRAMME Buttons POWER Button MENU Button VOLUME Buttons...
  • Page 7: Specifications

    Back Connection Panel AUDIO Input AV IN 4 Connections are available for listen- ing stereo sound from an external device. AUDIO AUDIO L/MONO VIDEO Input VIDEO VIDEO Connects the video signal from a video device. (except 42PC3RV * ) AV 1 AV 2 AC IN VARIABLE...
  • Page 8 ACCESSORIES Owner’s Manual Owner’s Manual Batteries Remote Control Power Cord For 42PC1R*, 42PC3R* 2-Wall brackets 2-eye-bolts 2-bolt for stand assemlby...
  • Page 9 STAND INSTALLATION ( OPTION ) Place the set with the screen facing down on a cushion or soft cloth as shown in Figures 1. Before unfolding the stand, please make sure two locks (A) on the bottom of the stand push outward. Pull the stand out as shown above in Figures 2 ~ 3.
  • Page 10: Specifications

    42 inch wide Color Display Module Aspect Ratio 16:9 PDP Module PDP42V8, Film Filter RGB Closed Type Operating Environment 1)Temp. : 0~40deg LGE SPEC. 2)Humidity : 0~85% Storage Environment 3)Temp. : -20~60deg 4)Humidity : 0~85% Input Voltage AC100~240V, 50/60Hz Maker : LG...
  • Page 11 2. Model General Specification Item Specification Remark Market Broadcasting system PAL-BG/I/DK, NTSC Available Channel BAND NTSC VHF/UHF C1~C69 2~83 CATV S1~S47 1~71 Receiving system Upper Heterodyne SCART Jack(2EA) PAL, SECAM, NTSC 4 System : PAL, SECAM, NTSC, PAL60 Video Input (2EA) PAL, SECAM, NTSC 4 System : PAL, SECAM, NTSC, PAL60 S-Video Input (1EA)
  • Page 12: Adjustment Instructions

    ADJUSTMENT INSTRUCTIONS 1. Application Object (7) Click “TVT” button, then the TVT window will be opened. These instructions is applied all of the 42” PDP TV, PP61A Chassis. 2. Specification (1) Because this is not a hot chassis, it is not necessary to use an isolation transformer.
  • Page 13: Adjustment Method

    (12) Choose the Hex file in folder and execute downloading (2) Push the button change and select the Channel memory with click “open button”. data. (3) Push the Update NVM from File. (13) Click OK button at the “edit window”. 5.
  • Page 14 6. EDID (The Extended Display 3) Set the S/W as below. Identification Data)/ DDC (Display Data Channel) download 6-1. Required Test Equipment 1) Adjusting PC with S/W for writing EDID Data.(S/W : EDID TESTER Ver.2.5). 2) A Jig for EDID Download. 3) Cable : Serial(9Pin or USB) to D-sub 15Pin cable, D-sub 15Pin cable, DVI to HDMI cable.
  • Page 15 <EDID DATA Analog Set 256bytes> 7-3. 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. 1) Select white pattern of heat-run mode by pressing power on key on remote control for adjustment then operate heat run more than 15 minutes.
  • Page 16 9. Default value in adjustment mode 9-1. White Balance (Fig. 5) Default Value on OSD. 10. Power-off History 1) This function indicated Power off history. 2) You can go into this mode by ADJ key in ADJ remocon. (Fig. 6) Power-off History.
  • Page 17: Trouble Shooting Guide

    TROUBLE SHOOTING GUIDE 1. Power Board 1-1. The whole flowchart which it follows in voltage output state Start check Is it identical Doesn't the Is the Interface screen whole come with Power Off signal operated? out? condition? 1. Check the Power Off 2.
  • Page 18 1-2. 42” Power Board Structure T801: Vs Trans T901: Va Trans T112: Low Voltage Trans T501: ST-BY Trans T601: PFC Inductor...
  • Page 19 1-3. 50” Power Board Structure T801: Vs Trans T901: Va Trans T902: Vs aux. Trans L851: Vs Inductor T112: Low Voltage Trans T501: ST-BY Trans T601: PFC Inductor...
  • Page 20 2. No Power (1) Symptom 1) Front LED is NO light. 2) The Set doesn’t discharge little. (2) Check following Is plug in power cord? Plug in power cord. Is the Line Filter Cable to PSU Connect the Cable. connected? Is the Fuse(F101) on Exchange the Fuse.
  • Page 21 3. No Power (1) Symptom 1) Front LED is NO light. 2) The Set doesn’t discharge little. (2) Check following Pull off the power cord and wait until discharge entirely (you can watch the LED on a main board through a Back cover.
  • Page 22 4. Protect Mode (1) Symptom 1) After once shining, it does not discharge minutely from module. 2) The Rely falls down.(The sound is audible “click”) 3) The front LED turn Green to Red. (2) Check following Does the Low/High voltage Exchange the Is normal PSU? operate normally?
  • Page 23 5. No Raster (1) Symptom 1) Front LED is Green. 2) The Set doesn’t discharge a little. (2) Check following Does the Low/High voltage Exchange the Is normal PSU? operate normally? Do cable connect well each Exchange the Is normal cables? wafer? cable Disconnecting...
  • Page 24 6. No Sound (1) Symptom 1) Front LED is Green. 2) The Set display a screen, but a sound doesn’t output. (2) Check following 1) Speaker part Are Speaker Cables Good? Are Speaker Cables Good? Are Speaker units good? Are Speaker Cables Good? Are Speaker Cables Good? Are Speaker units good? 2) Main board part...
  • Page 25 7. Display the screen abnormally (1) Symptom 1) Disp lay the screen abnormally at specific mode. (2) Check following 1) Noise appears at RF mode. Is the Tuner cable Are input voltage, I2C, and Is the Tuner part good? connected well? CVBS output good? Insert the cable exactly Exchange the Tuner...
  • Page 26 8. No Picture (1) Symptom 1) Some mode doesn’t display. 2) Front LED is green. 3) The set still discharge a little. (2) Check following 1) RF-mode doesn’t display Is the Tuner cable Is the LVDS cable Are good some elements Connected? connected? (C, R, L, or Diode) at path?
  • Page 27 PRINTED CIRCUIT BOARD MAIN(TOP) CONTROL...
  • Page 28 MAIN(BOTTOM) PRE-AMP SIDE A/V...
  • Page 29: Block Diagram

    BLOCK DIAGRAM...
  • Page 30: Exploded View

    EXPLODED VIEW...
  • Page 31: Exploded View Parts List

    EXPLODED VIEW PARTS LIST The components identified by mark critical for safety. Replace only with part number specified. Part No. Descriptions 6400WMCX03A SPEAKER, WOOFER G1560102 MACOM WOOFER 8OHM 15/20W 82DB OTHERS 100HZ 193*57MM 6400DTTX02B SPEAKER, TWEETER EN15D-6659 TOPTONE TWEETER(DOME) 8OHM 15/20W 78DB OTHERS PC1 MODEL 6348Q-E113H PDP, 42”...
  • Page 32: Replacement Parts List

    REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION Q512 0TR387500AA CHIP 2SC3875S(ALY) BK KEC Q513 0TR387500AA CHIP 2SC3875S(ALY) BK KEC IC1001 0IPMGKE030A KIA78R05F KEC 5PIN DPAK R/TP 1A,5V LDO Q600 0TR387500AA CHIP 2SC3875S(ALY) BK KEC IC1002 0IPMG00027A SC156515M-1.8TR SEMTECH 5P/TO-263-5...
  • Page 33 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 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 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 0.1UF 1608 50V 10% R/TP X7R C967 0CK103CK56A 0.01UF 1608 50V 10% R/TP X7R SW101 140-313B TACT, 2LEAD 160G(TA) LG C&D 5V 0.001A C968 0CK103CK56A 0.01UF 1608 50V 10% R/TP X7R SW102 140-313B TACT, 2LEAD 160G(TA) LG C&D 5V 0.001A...
  • Page 37 Replace only with part number specified. LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION SW107 140-313B TACT, 2LEAD 160G(TA) LG C&D 5V 0.001A L920 6200J000013 MLB-321611-0500P-N2 MAG LAYERS R/TP SW108 140-313B TACT, 2LEAD 160G(TA) LG C&D 5V 0.001A L921 6200J000013...
  • Page 38 Control...
  • Page 40 Mar., 2006 P/NO : 38289S0023C Printed in Korea...

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