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LG 50PC1D Service Manual
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LG 50PC1D Service Manual

LG 50PC1D Service Manual

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See also: Owner's Manual , User Manual
PLASMA TV
SERVICE MANUAL
CHASSIS : PD61C
MODEL : 50PC1D
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
50PC1D-FC
website:http://biz.LGservice.com
e-mail:http://www.LGEservice.com/techsup.html

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Summary of Contents for LG 50PC1D

  • Page 1 PLASMA TV SERVICE MANUAL CHASSIS : PD61C MODEL : 50PC1D 50PC1D-FC 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 ................22 BLOCK DIAGRAM .....................26 EXPLODED VIEW ....................28 EXPLODED VIEW PARTS LIST ................29 REPLACEMENT PARTS LIST................30 SCHEMATIC DIAGRAM..................- 2 -...

  • Page 3: Safety Precautions

    SAFETY PRECAUTIONS IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in 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 between ON and STANDBY. D/A TV (Digital TV / Analogue TV) Selects digital or analogue mode. INPUT INPUT D/A TV Selects the DTV, TV, AV, Component, RGB or HDMI/DVI modes. POWER switches the set on from standby. TV, DVD, VCR Selects the remote operating mode: TV, VCR, DVD.
  • Page 5 MENU Displays on screen menus one by one. Exits the current menu. Memorizes menu changes. INPUT D/A TV TELETEXT BUTTONS POWER These buttons are used for teletext. Text button is used to enable teletext services while other buttons are for teletext functions. * For further details, see the ‘Teletext’...

  • Page 6: Brief Info

    The detail information on or off I/II Selects the language during dual language broadcast. Selects the sound output. VCR/DVD BUTTONS Controls a LG video cassette recorder. Controls a LG DVD player. Installing Batteries Open the battery compart- ment cover on the back side.

  • Page 7: Front Panel Controls

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

  • Page 8: Audio Input

    Back Connection Panel AV IN 4 AUDIO Input AUDIO AUDIO L/MONO MONO VIDEO Input VIDEO VIDEO AC IN COMPONENT IN VIDEO AUDIO S-VIDEO COMPONENT IN MONO AV IN 3 VIDEO AUDIO VARIABLE AUDIO OUT AV 1 AV 2 DTV OUT HDMI IN AV 1/2 42PC1DV...
  • Page 9 ACCESSORIES Own er's Manual Power Cord 75Ω RF Coaxial Owner’s Manual Remote Control / Batteries For 42PC1D *, 50PC1D * 2-Wall brackets 2-eye-bolts 2-bolts for stand assembly Polishing Cloth (42/50PC1D only) (42PC1D only) Polish the screen with the cloth. - 9 -...

  • Page 10: Specifications

    Plasma Display Panel Aspect Ratio 16:9 PDP Module PDP50X3, RGB Closed Type Screen Filter 45% Total light transmittance (E-Mesh) Maker : NBL/ Mitsui/ LG Chemical Operating Environment 1)Temp. : 0~40deg LGE SPEC 2)Humidity : 0~80% Storage Environment 3)Temp. : -20~60deg...
  • Page 11 2. Model General Specification Item Specification Remark Market France Broadcasting system 1) PAL, SECAM-BG/DK/I 2) SECAM L/L’ 3) DVB-T(ID TV) Receiving system Analog : Upper Heterodyne Digital : COFDM Scart Jack (3EA) PAL, SECAM Video Input (2EA) PAL, SECAM, NTSC 4 System : PAL, SECAM, NTSC, PAL60 S-Video Input (1EA) PAL, SECAM, NTSC...

  • Page 12: Adjustment Instructions

    ADJUSTMENT INSTRUCTIONS 1. Application Object 3-2. Channel memory Method 1) Select “PDP” and “Hurricane” on Model dialog. And check These instructions are applied to all of the 50” PLASMA TV, your connection in Communication dialog. (If your PD61C Chassis. connection is ‘NG’, then set your PORT(COM1,2,3,...) correctly.) 2.

  • Page 13: Adjustment Method

    4. Sub Program Down Load (2) Vs Adjustment 1) Connect + terminal of D.M.M to Vs pin of P805, connect 1) Select “ PDP” and “Hurricane” on Model dialog. and check – terminal to GND pin of P805. your connection in Communication dialog. (If your 2) After turning VR951, voltage of D.M.M adjustment as connection is ‘NG’, then set your PORT(COM1,2,3,...) same as Va voltage which on label of panel right/top.

  • Page 14: W-Y-C-G-M-R-Blue-Black

    8-2. Required Equipment 1) Remote controller for adjustment. 2) AV Pattern Generator. : 802F Pattern Generator, Master(MSPG-925FA), etc. (Which has PAL Composite Video format output with standard(1.0 Vpp) Vertical 100% Color Bar Pattern as Fig7) 8-3. Method of Auto AV(CVBS) Color Balance 1) Input the PAL Composite Video into video input.

  • Page 15: W-Y-C-G-M-R-Blue-Black

    10. Auto Component Color Balance Auto adjustment Map(RS-232C) Type PD61A/C 10-1. Requirement Baud Rate Data bit Stop bit Parity - It is very import to use correct adjustment pattern like Fig.10. 115200 NONE Within the pattern, color sequence should be aligned : W-Y-C-G-M-R-BLUE-BLACK.
  • Page 16 11-3. Method of Auto RGB Color Balance 13. EEPROM Data Write 1) Input the PC 1024x768 60Hz 100%Color bar into RGB. 13-1. Signal TABLE 2) Set the PSM to Standard mode in Picture menu. 3) Press ADJ key on R/C for adjustment. CMD LENGTH ADH ADL DATA_1 DATA_N CS DELAY...

  • 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. 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 - 18 -...
  • 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) The minute discharge continuously becomes accomplished from the module. (2) Check follow Is the LVDS cable Is the LVDS cable Replace the cable.
  • Page 20 2-2. In case of doesn’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.
  • Page 21 3. In case of no sound (1) Symptom 1) LED is white. 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 connected Cable inserts well.

  • Page 22: Printed Circuit Diagram

    PRINTED CIRCUIT BOARD MAIN(TOP) - 22 -...
  • Page 23 MAIN(BOTTOM) - 23 -...
  • Page 24 AV (TOP) AV (BOTTOM) - 24 -...
  • Page 25 CONTROL PRE-AMP SIDE A/V - 25 -...

  • Page 26: Block Diagram

    BLOCK DIAGRAM - 26 -...
  • Page 27 MEMO - 27 -...

  • Page 28: Exploded View

    EXPLODED VIEW - 28 -...

  • Page 29: Exploded View Parts List

    PCB Assembly,Main MAIN1 M.I PD61C 50PC1D-FC APFLLHX MAIN MANUAL 68719SMM59A PCB Assembly, Sub SUB M.I PD61A 50PC1D-EC AEKLLHX SUB MANUAL 68719SMM60B PCB Assembly, Sub SUB M.I PD61A 50PC1D-EC SEKLLJP CONTROL KEY ASSY 68719SMM61B PCB Assembly, Sub SUB M.I PD61A 50PC1D-EC SEKLLJP SKD PREAMP ASSY 6709900020B...

  • Page 30: Replacement Parts List

    REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION IC615 0IPMGKE030A KIA78R05F 6TO12V 5V 8W DPAK R/ IC701 0IMMR00023A 24LC32AT-I/SNG 32KBIT 4KX8BIT IC100 0IPRP00703A STI5100GUB 3.3V PBGA TR 33 IC703 0IMMR00004A SST25VF040-20-4C-S2AE 4MBIT 51 IC1000 0IPRPML001A MIC39100 2.3TO26V 0 0W SOT223 IC800 0IMCR02005A...
  • Page 31 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 32 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 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 6630X60151A Conector,FFC/FPC/PIC 10008HR-31L 31P 1.00MM L106 0LCML00020G Inductor, MLI-201209-3R3K 3.3UH 10% 0V 3 TU202 6634D00015A Conector,RFTASA-G206D LG INNOTEK 75 OHM 2 L107 0LCML00020G Inductor, MLI-201209-3R3K 3.3UH 10% 0V 3 L108 0LCML00020G Inductor, MLI-201209-3R3K 3.3UH 10% 0V 3 - 39 -...
  • 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 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 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 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 46 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 47 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 48 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 49 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 50 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 51 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 52 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 53 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 54 LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION L131 6210VC0005A BK2125HS750-T 75OHM 2X1.25X0.8 L604 6210VC0006A FBMH3216 HM501NT 500OHM 3.2X1. L132 6210VC0005A BK2125HS750-T 75OHM 2X1.25X0.8 L606 6210VC0006A FBMH3216 HM501NT 500OHM 3.2X1. L1351 6210VC0006A FBMH3216 HM501NT 500OHM 3.2X1. L607 6210VC0006A FBMH3216 HM501NT 500OHM 3.2X1.
  • Page 55 6700DF0003A Tuner, Digital TDFB-G306P DVB(OFDM) 1000000.0 X300 166-E02F Resonator,Ceramic CSBLA500KECZF09-B0 500KHZ ACCESSORIES 38289U0552B Manual, USER LD61B LG EN/FR FRANCE DTV 6710V00151Y Remote Controller, AF05FD I-DTV ENGLAND 6410TEW010A Power Cord, CEE,LP-34A&H05VV-FX3C 1.87M 4972V00178A Supporter, COMPLEX WALL NON ASSY PDP SET - 53 -...
  • Page 56 Control Pre-AMP...
  • Page 58 Jul., 2006 P/NO : 38289S0031B Printed in Korea...

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