LG 42PC1DV Service Manual
  1. Manuals
  2. Brands
  3. LG Manuals
  4. Plasma TV
  5. 42PC1DV Series
  6. Service manual

LG 42PC1DV Service Manual

Hide thumbs Also See for 42PC1DV:

Advertisement

Table of Contents

See also: Owner's Manual , User Manual
PLASMA TV
SERVICE MANUAL
CHASSIS : PB61A
MODEL : 42PC1DV
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
42PC1DV-AA
website:http://biz.LGservice.com
e-mail:http://www.LGEservice.com/techsup.html

Advertisement

Table of Contents
loading

Related Manuals for LG 42PC1DV

Summary of Contents for LG 42PC1DV

  • Page 1 PLASMA TV SERVICE MANUAL CHASSIS : PB61A MODEL : 42PC1DV 42PC1DV-AA 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 ....................10 ADJUSTMENT INSTRUCTIONS ...............12 TROUBLE SHOOTING GUIDE ................17 PRINTED CIRCUIT DIAGRAM ................23 BLOCK DIAGRAM .....................27 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 Selects digital or analogue mode. D/A INPUT (Digital TV / INPUT Analogue TV) POWER INPUT External input modes rotate in regular sequence: INPUT Digital, Analogue, AV1-2, Component 1-2, RGB- DTV (or RGB-PC), HDMI/DVI. TEXT GUIDE INFO POWER Switches the set between ON and STANDBY.

  • Page 5: Installing Batteries

    Selects the remote operating mode: TV, VCR, DVD. Select other operating modes, TV, DVD, VCR, for the remote to operate external devices. Switches to PIP, POP and Twin picture modes or off mode. GUIDE Shows a programme schedule. INFO Shows the present screen information. COLOURE They are used as per the indications or functions displayed on the TV screen in Button...

  • Page 6: Front Panel Controls

    Front Panel Controls INPUT MENU Remote INPUT MENU POWER VOLUME PROGRAMME Control Button Button Button Button Sensor )Buttons )Buttons Power Standby Indicator Illuminates red in standby mode. When the TV is turned on, the indicator blinks white and then illumi- nates white before the picture is displayed.
  • Page 7 Back Connection Panel AUDIO Input Connections are available for listen- ing to stereo sound from an external device. VIDEO Input Connects the video signal from a video device. AV OUT AV OUT AV OUT VIDEO AUDIO S-VIDEO VIDEO AUDIO AV IN 1 MONO COMPONENT IN VIDEO...
  • Page 8 INDEX TIME REVEAL PIP PR + PIP PR - PIP INPUT SWAP Owner’s Manual Batteries Remote Control Power Cord For 42PC1D/42PC1DG/42PC1DV/50PC1D 42PC1DG 42PC1DG /42PC1DV only /50PC1D only Polishing Cloth 2-Wall brackets 2-eye-bolts 2- Bolts Polish the screen with the cloth.
  • 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

    This spec is applied to the 42” PLASMA TV used PB61A Chassis. Chassis Model Name Market Brand Remark PB61A 42PC1DV-AA Australia Specification Each part is tested as below without special appointment. 1) Temperature : 25±5°C (77±9°F), CST : 40±5 2) Relative Humidity: 65±10% 3) Power Voltage: Standard Input voltage (100-240V~, 50/60Hz) * Standard Voltage of each product is marked by models.
  • Page 11 2. Model General Specification Remark Specification Item Unit Broadcasting system PAL-B/G, DTV : DVB-T Available Channel 1) VHF : 00 ~ 12 2) UHF : 20 ~ 75 3) CATV : 02 ~ 44 4) DTV : 06 ~12, 27 ~ 69 Tuner IF 1) PAL : 38.90MHz(Picture), 34.40MHz(Sound)

  • Page 12: Adjustment Instructions

    ADJUSTMENT INSTRUCTIONS 1. Application Object 5. MST3362M-Set Adjustment These instructions are applied to all of the 42” PLASMA TV, 5-1. Synopsis PB61A Chassis MST3362M-Set adjustment to set the black level and the Gain of optimum with an automatic movement from the analog => 2.

  • Page 13: Adjustment Method

    6. Video(uPD)-Set Each PCB Assy must be checked by Check JIG Set before assembly. (Especially, be careful Power PCB Assy which can 6-1. Synopsis cause Damage to the PDP Module.) This is a adjustment to reduce the color difference of video signal Main/Sub Display.
  • Page 14 8-4. Act or set the EDID S/W 8. EDID(The Extended Display 1) As above Fig. 6, Connect the Set, EDID Download Jig, PC Identification Data)/DDC & Cable. (Display Data Channel) Download 2) Turn on the PC & EDID Download Jig. And Execute the S/W : EDID TESTER Ver,2.5.
  • Page 15 9-4. Adjustment of White Balance 9. Adjustment of White Balance (Automatic Adjustment) 9-1. Required Equipment Calibrate of the CA-210, then attach sensor to PDP module surface when you adjust. (1) Color analyzer (CA-210 or similar product) Manual adjustment is also possible by the following sequence. (2) Automatic adjustor (with automatic adjustment hour necessity and the RS-232C communication being possible) (1) HEAT RUN at least 30 minutes by pressing the Power only...
  • Page 16 10. Check the adjustment of the plant shipping mode : This adjustment is checking the set state after take a adjustment of examination, check state of this model as shown below pressing the IN_STOP button on the adjustment Remote Controller. Item Condition Remark...

  • 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 Doesn't the Is it identical 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 2. In case of occurring strange screen into specific mode 2-1. In case the OSD does not displayed (1) Symptom 1) LED is white. 2) Some discharge on Panel becomes accomplished continuously. (2) Check follow Is the LVDS cable Is the LVDS cable Replace the cable.
  • Page 20 2-2. In case of does’t display the screen into specific mode (1) Symptom 1) The screen does not become the display from specific input mode. (RF, AV, Component, RGB, DVI) (2) Check following 1) Check the all input mode should become normality display. 2) Check the Video(Main)/Data(Sub), Video(Main)/Video(Sub) should become normality display from the PIP mode or DW mode.(Re-Check using Swap function) Check the NEC64015(IC701) if the main picture is abnormal, and...
  • Page 21 (5) When Component or RGB-DTV/ PC mode is abnormal Is normal the Input voltage, IIC Is the CXA2151Q(IC500) Replace the IC. normal? Communication and HV sync? Is the MST3362(IC604) Is normal the Input voltage, IIC Replace the IC. normal? Communication and HV sync? Is normal the Input voltage, IIC Is the Scaler normal? Replace the IC.
  • Page 22 3. When sound is abnormal (1) Symptom 1) LED is green. 2) 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. Is the Flat cable Cable inserts well.
  • Page 23 PRINTED CIRCUIT BOARD MAIN(TOP)
  • Page 24 MAIN(BOTTOM)
  • Page 25 TUNER (TOP) TUNER (BOTTOM)
  • Page 26 CONTROL SIDE A/V PRE-AMP...

  • Page 29: Exploded View

    EXPLODED VIEW...

  • Page 30: Exploded View Parts List

    PCB Assembly, Main MAIN1 M.I PB61A 42PC1DV-AA AAULLHX AUSTRAILIA DTV DIGITAL MANUAL 68719SMK96A PCB Assembly, Sub SUB M.I PB61A 42PC1DV-AA AAULLHX AUSTRAILIA DTV TUNER MANUAL 68719SMK74A PCB Assembly, Sub SUB M.I PB61A 42PC1DV-AA AAULLHX AUSTRAILIA DTV LOCAL ASSY MANUAL 68719SMJ64A PCB Assembly, Sub SUB M.I PP61A 42PC3RV Z PREAMP+LED 68719PT299A PCB Assembly, Power POWER T.T PA61A 42INCH PDP UNIFICATION PSU ALL GUMI...

  • Page 31: Replacement Parts List

    REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION IC602 0IPMGA0010A AZ1117H-3.3 4.75TO10V 3.3V - SOT223 IC603 0IMMRCS012B CAT24WC08W-T(MST3000) 8KBIT 0IZZ9H9009A 0IMCR02273A 0IMCR02273A PHILIPS DIP IC604 0IPRP00697A MST3362M-LF-110 MSTAR 128P IC100 0ISO206900A CXA2069Q 8.5TO9.5V1300MW QFP IC605 0IPMG00107A AZ1117H-2.5TR/E1 15V 2.5V IC100...
  • Page 32 LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION Q1102 0TR150400BA 2SA1504S(ASY) PNP 5V 50V 50V DIODE Q1103 0TR150400BA 2SA1504S(ASY) PNP 5V 50V 50V Q1104 0TR387500AA 2SC3875S(ALY) NPN 5V 60V 50V 150MA D100 0DD184009AA KDS184 KDS184 TP KEC - 85V- 300MA Q1105 0TR150400BA 2SA1504S(ASY) PNP 5V 50V 50V...
  • 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 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 37 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 38 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 39 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 40 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 41 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 42 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 43 0RJ0222C687 RCA86TRJ22R0 22OHM 5% 1/16W P1308 6630VE00731 Conector,FFC/FPC/PIC 10022HS-31A02 31P 1.00MM R101 0RC4703A609 PRM92T1J470K 470KOHM 5% 1/2W TU300 6634D00015A Conector,RF TASA-G206D LG INNOTEK R151 0RX1003K665 RSD02F4J100K 100KOHM 5% 2W R152 0RB0100J609 PRW01T10R10J 100MOHM 5% 1W RESISTOR R158 0RD0221Q609 RDM94T1J2R20 2200MOHM 5% 1/4W...
  • Page 44 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 45 LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION L327 6200J000013 MLB-321611-0500P-N2 500OHM L909 0LCML00003B MLB-201209-0120P-N2 120OHM L400 0LCML00003B MLB-201209-0120P-N2 120OHM LF101 6200J000156 LSA10126D 12.6MH 33X32X24mM L400 6200J000013 MLB-321611-0500P-N2 500OHM R1599 0LCML00003B MLB-201209-0120P-N2 120OHM L401 0LCML00003B MLB-201209-0120P-N2 120OHM R2309 0LCML00003B MLB-201209-0120P-N2 120OHM L401...
  • Page 46 Tuner,Digital TDFB-G306P VR221 180-035J Variable Resistor,SemifixedEVNDJAA03B23 VR901 180-035Q Variable Resistor,SemifixedEVNDJAA03B24 VR951 180-035S Variable Resistor,SemifixedEVNDJAA03B54 ACCESSORIES 38289U0569A Manual, USER PB61A LG EN 141L-TX 6710900010C Remote Controller, PP62A DTV AUS 62KEY 6410TSW003A Power Cord, LP-23A+SAG18N 1.87M 4972V00178B Supporter, WALL FOLDING STAND ONLY...
  • Page 51 Apr., 2006 P/NO : 38289S0039B Printed in Korea...

This manual is also suitable for:

42pc1dv-aa

Table of Contents