LG 50PX4DR Service Manual
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LG 50PX4DR Service Manual

LG 50PX4DR Service Manual

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See also: Owner's Manual , Training Manual
PLASMA TV
SERVICE MANUAL
CHASSIS : AF-05FA
MODEL : 50PX4DR
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CANADA : http//biz.lgservice.com
USA
: http//www.lgservice.com
: http//lgservice.com/techsup.html
50PX4DR-UA
POWER
TV GUIDE

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Summary of Contents for LG 50PX4DR

  • Page 1 CANADA : http//biz.lgservice.com : http//www.lgservice.com : http//lgservice.com/techsup.html PLASMA TV SERVICE MANUAL CHASSIS : AF-05FA MODEL : 50PX4DR 50PX4DR-UA CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. POWER TV GUIDE...

  • Page 2: Safety Precautions

    An other abnormality exists that must be corrected before the receiver is returned to the customer. CANADA: LG Electronics Canada, Inc. 550 Matheson Boulevard East Mississauga, Ontario L4Z 4G3 : LG Customer Interactive Center P.O.Box 240007, 201 James Record Road Huntsville,...

  • Page 3: Table Of Contents

    TABLE OF CONTENTS DESCRIPTION OF CONTROLS ...........4 SPECIFICATIONS..............8 ADJUSTMENT INSTRUCTIONS ..........9 PRINTED CIRCUIT BOARDS ..........18 BLOCK DIAGRAM...............23 EXPLODED VIEW...............26 EXPLODED VIEW PARTS LIST .........27 REPLACEMENT PARTS LIST ..........28 SCHEMATIC DIAGRAM............- 3 -...

  • Page 4: Description Of Controls

    DESCRIPTION OF CONTROLS Controls Controls This is a front panel of 50PX4DR series TVs. - This is a simplified representation of front panel. Here shown may be somewhat different from your TV. Front Panel Controls Front Panel Controls INDEX Switches LED Display on or off.

  • Page 5: Connection Options

    DESCRIPTION OF CONTROLS Connection Options Connection Options This is a back panel of 50PX4DR series TVs. Back Connection Panel Back Connection Panel S-VIDEO Input A connection is available to provide FRONT better picture quality than the video A/V INPUT S-VIDEO input.

  • Page 6: Remote Control Key Functions

    DESCRIPTION OF CONTROLS Remote Control Key Functions Remote Control Key Functions - When using the remote control, aim it at the remote control sensor on the TV. POWER VCR/DVD BUTTONS • Control some video cassette Turns your TV or any other programmed TV INPUT TV/VIDEO recorders or DVD players.
  • Page 7 DESCRIPTION OF CONTROLS TV INPUT • Rotates the input mode between Antenna and Cable. • Video, Front Video, Component 1-2, RGB-DTV (or RGB-PC), HDMI1/DVI, TV/VIDEO HDMI2 External input modes rotate in regular and IEEE1394 input sources, screen TV INPUT TV/VIDEO sequence: Antenna, Cable, Video, Front returns to the last TV channel.

  • Page 8: Specifications

    SPECIFICATIONS MODELS 50PY2DR-UA 50PX4DR-UA 60PY2DR-UA 55.9 / 1420 Width (inches / mm) 65.6 / 1666 57.5 / 1461 35 / 889 Height (inches / mm) 40.2 / 1022 32.9 / 835 14 / 356.8 Depth (inches / mm) 17 / 434 13 / 331.3...

  • Page 9: Adjustment Instructions

    ADJUSTMENT INSTRUCTIONS 1. Application Object 4. Gemstar VBI Micom Download These instructions are applied to all of the PDP TV, AF-05FA. 4-1. Preparation for Adjustment (1) As shown below, connect the MPLAB ICD2 equipment, PC and Digital Connector. 2. Notes (2) Turn on the MPLAB ICD2 POWER Supply.
  • Page 10 ADJUSTMENT INSTRUCTIONS (4) Select "Programmer -> Connect". (8) The execution of process (6) is convenient when using the short-cut icon. When connected with the Micom, the display message on 5. Gemstar IR Micom Download the Output window appears as below. 5-1.
  • Page 11 ADJUSTMENT INSTRUCTIONS (3) When the "Select Device" window appears, select the (6) Select "Programmer -> Program". PIC18F242 from "Device" and press OK. (7) Download is executed and about 3 seconds later, the "Programming succeeded" message is displayed on the Output window and the Download process is ended. (8) The execution of process (6) is convenient when using the short-cut icon.
  • Page 12 ADJUSTMENT INSTRUCTIONS (2) Select ‘Connection’ and SET connected to RS-232C. (6) When the Dialog window appears, click OK and the write (3) After clicking "Enter", confirm that "Enter Password:" work will begin. appears. (7) When completed, click ‘CP Data Download: OK’ [ When ‘CP Data Download: OK’...
  • Page 13 ADJUSTMENT INSTRUCTIONS [ When process (11) malfunctions, it is not Download. (9) After opening the ‘DTCP.dat’ file, confirm the key list in the DTCP Key List window. DTCP Download process start again from (8). 7. Gemstar Operation Confirmation 7-1. Required Test Equipment (1) PC with Factory Test Program (2) G-LINK-To-PC Card (Serial GLINK(CN1202)) (3) VBI Inserter (Norpak TES3) - Guide Data Discharge...
  • Page 14 ADJUSTMENT INSTRUCTIONS (5) Confrim that VBI Test, Glink Test and IR Test PASS from the screen. 8. Cable Operation Confirmation (1) Confirm that the Cable Card is inserted in the slot. (2) Enter the EZ adjust menu by pressing the Adjust key on the Service Remote Control (S R/C).
  • Page 15 ADJUSTMENT INSTRUCTIONS (2) Vs Adjustment Each PCB Assy must be checked by Check JIG Set before 1) Connect + terminal of D.M.M to Vs pin of P805 and assembly. (Especially, be careful Power PCB Assy which can connect – terminal to GND pin of P805. cause Damage to the PDP Module.) 2) Adjust RV401 voltage to match that of the label on the Top/Right of the panel.
  • Page 16 ADJUSTMENT INSTRUCTIONS 10-2. EDID DATA for AF-05FA EDID for HDMI (DDC (Display Data Channel) Data) EDID table = 0 1 2 3 4 5 6 7 8 9 A B C D E F _______________________________________________________ 0 | 00 FF FF FF FF FF FF 00 1E 6D 01 00 01 01 01 01 10 | 00 0E 01 03 80 73 41 96 0A CF 74 A3 57 4C B0 23 20 | 09 48 4C 2F CE 00 31 40 45 40 61 40 01 01 01 01 30 | 01 01 01 01 01 01 01 1D 00 72 51 D0 1E 20 6E 28...
  • Page 17 ADJUSTMENT INSTRUCTIONS [ [ RS-232C Command (Automatic Adjustment) CENTER RS-232C Command (DEFAULT) [CMD ID DATA] 50” 60” R Gain ja 00 XX G Gain jb 00 XX B Gain jc 00 XX R Cut lj 00 XX G Cut lk 00 XX B Cut ll 00 XX 12-3.

  • Page 18: Printed Circuit Boards

    PRINTED CIRCUIT BOARD MAIN DIGITAL(TOP) - 18 -...
  • Page 19 PRINTED CIRCUIT BOARD MAIN DIGITAL(BOTTOM) - 19 -...
  • Page 20 PRINTED CIRCUIT BOARD MAIN ANALOG(TOP) - 20 -...
  • Page 21 PRINTED CIRCUIT BOARD MAIN ANALOG(BOTTOM) - 21 -...
  • Page 22 PRINTED CIRCUIT BOARD SIDE A/V POWER LED(TOP) INDEX(TOP) POWER LED(BOTTOM) INDEX(BOTTOM) CONTROL SPDIF(TOP) SPDIF(BOTTOM) - 22 -...

  • Page 23: Block Diagram

    BLOCK DIAGRAM - 23 -...
  • Page 24 BLOCK DIAGRAM - 24 -...
  • Page 25 BLOCK DIAGRAM - 25 -...

  • Page 26: Exploded View

    EXPLODED VIEW - 26 -...

  • Page 27: Exploded View Parts List

    PLATE ASSEMBLY,AV 3300V00539 50PX4DR-UA TUNER BOTTOM 3301V00093A PLATE ASSEMBLY,3300V00563 A/V PLATE TU-50PX42S 6871VMMT71D PCB ASSEMBLY,MAIN AF-05FA 50PX4DR-UA DIGITAL B/D 6871VSMG76D PCB ASSEMBLY,SUB TUNER AF05FA 50PX4DR-UA ANALOG ASSY 6871VSMS31A PCB ASSEMBLY,SUB LED AF05GB DN-50PX40 POWER 6744B00040A HDD,3.5 ST3160023AS SEAGATE 160GB SATA INNER DT ALL 4814V00535B...

  • Page 28: Replacement Parts List

    SC1565IST-1.8 3P SOT223 IC500 0IMMRSS041F K4S641632H-UC60 54P IC1302 0IMCRTH002A THC63LVD103 64P IC501 0IMMRSS041F K4S641632H-UC60 54P IC1305 0ICTMLG018B LGDP4411 IEP2 LG IC 176P IC502 0IMMRSS041F K4S641632H-UC60 54P IC1400 0ICTMLG011A LGDT1303 LG IC 324PIN IC503 0IMMRSS041F K4S641632H-UC60 54P 0IMCR02015A IC1500 SII3512ECTU128 128P/TQFP...
  • Page 29 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION IC809 0IMCRSJ001A SC1565IST-1.8 SEMTECH 3P SOT223 Q176 0TR387500AA CHIP 2SC3875S(ALY) BK KEC IC900 0IMCRXL003B XC95144XL-10TQG144C 144P Q177 0TR387500AA CHIP 2SC3875S(ALY) BK KEC IC901 0IID741632A 74FCT163244CPA 48P Q201 0TR150400BA CHIP 2SA1504S(ASY) BK KEC IC902...
  • Page 30 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION IC103 6301V00004A LED ASSEMBLY C1213 0CE476SF6DC 47UF MVG 16V 20% LD101 0DL200000CA LED,SAM5670(DL-2LRG) C1214 0CK105DF64A 1UF 2012 16V 20% R/TP F(Y5V) LED150 0DL233309AC LED,SAM2333 C1216 0CK102CK56A 1000PF 1608 50V 0.1 LED170 0DL233309AC LED,SAM2333...
  • Page 31 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C1517 0CK103CK56A 0.01UF 1608 50V 10% C1740 0CE476SF6DC 47UF MVG 16V 20% C1518 0CK103CK56A 0.01UF 1608 50V 10% C1742 0CE476SF6DC 47UF MVG 16V 20% C1519 0CK103CK56A 0.01UF 1608 50V 10% C175 0CE108EJK18 1000UF KMG,RD 35V 20%,-20%...
  • Page 32 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C345 0CE225WK6DC 2.2UF MVK,RC 50V 20% C584 0CE226SF6DC 22UF MVG 16V 20% C358 0CE476SF6DC 47UF MVG 16V 20% C591 0CE335WK6D8 3.3UF MVK,RC 50V 20% C360 0CE476SF6DC 47UF MVG 16V 20% C600 0CK103CK56A 0.01UF 1608 50V 10%...
  • Page 33 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C8007 0CK103CK56A 0.01UF 1608 50V 10% C824 0CE226SF6DC 22UF MVG 16V 20% C8008 0CC180CKH1A 18PF 1608 50V 5% C825 0CE226SF6DC 22UF MVG 16V 20% C8009 0CC180CKH1A 18PF 1608 50V 5% C843 0CK823CF56A 82NF 1608 16V 10%...
  • Page 34 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION 387-J06R CONNECTOR ASSEMBLY,6P 2.5MM 1400MM AR804 0RRZVTA001D 22 OHM 1 / 16 W 1608 5% 387-J08R CONNECTOR ASSEMBLY,8P 2.5MM 1400MM AR805 0RRZVTA001D 22 OHM 1 / 16 W 1608 5% CN1101 6630SD01709 CONNECTOR,USB YKF45-5006N...
  • Page 35 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION B800 0LCML00003B FILTER,EMC MLB-201209-0120P-N2 F717 6200QJ3001A FILTER,EMC BMS400 25V 200MA B801 0LCML00003B FILTER,EMC MLB-201209-0120P-N2 F718 6200QJ3001A FILTER,EMC BMS400 25V 200MA B802 0LCML00003B FILTER,EMC MLB-201209-0120P-N2 F719 6200QJ3001A FILTER,EMC BMS400 25V 200MA B803 0LCML00003B FILTER,EMC MLB-201209-0120P-N2...
  • Page 36 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION L6615 6210VC0006A FILTER,EMC FBMH3216 HM501NT 6850TD9007E CABLE,D-SUB UL20276-9C(5.8MM) DT L1800, X1000 6212AC2001D RESONATOR,CRYSTAL HC-49/SM 14MHZ 6851V00019A CABLE ASSEMBLY,RF 4AC208A0 3M CORE X102 6202VDT002H RESONATOR,CRYSTAL SX-1 18.432000MHZ 6851V00023B CABLE ASSEMBLY,BIZLINK XX15563-88A 3000MM X103 6212BA2002C...
  • Page 37 April, 2005 P/NO : 3828VD0212F Printed in Korea CANADA: LG Electronics Canada, Inc. 550 Matheson Boulevard East Mississauga, Ontario L4Z 4G3 : LG Electronics Alabama Inc. P.O.Box 240007, 201 James Record Road, Bldg. 3, Huntsville, AL 35824...

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