LG 62SX4D-UB Service Manual
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LG 62SX4D-UB Service Manual

Chassis : nb-05eb dlp projection tv
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DLP PROJECTION TV
SERVICE MANUAL
CHASSIS : NB-05EB
MODEL : 62SX4D
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
62SX4D-UB

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  • Page 1 CANADA : http//biz.lgservice.com : http//www.lgservice.com : http//lgservice.com/techsup.html DLP PROJECTION TV SERVICE MANUAL CHASSIS : NB-05EB MODEL : 62SX4D 62SX4D-UB CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

  • Page 2: Safety Precautions

    If the exposed metallic part has a return path to the chassis, the measured resistance should be between 1MΩ and 5.2MΩ. CANADA: LG Electronics Canada, Inc. 550 Matheson When the exposed metal has no return path to the chassis the Boulevard East Mississauga, Ontario L4Z 4G3 reading must be infinite.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS DESCRIPTION OF CONTROLS ...........4 SPECIFICATIONS..............9 ADJUSTMENT INSTRUCTION...........10 BLOCK DIAGRAM...............23 EXPLODED VIEW...............24 EXPLODED VIEW PARTS LIST .........25 REPLACEMENT PARTS LIST ..........26 SCHEMATIC DIAGRAM............PRINTED CIRCUIT BOARDS ..........- 3 -...

  • Page 4: Description Of Controls

    DESCRIPTION OF CONTROLS Controls Controls Front Panel Controls Front Panel Controls ENTER POWER TV GUIDE MENU Memory Card Slots 1,2 On operating the mode POWER Button VOLUME ( Buttons TV GUIDE Button Operation Indicator/ CHANNEL ( ) Buttons Lamp Indicator/ MENU Button Temperature Indicator ENTER Button...

  • Page 5: Connection Options

    DESCRIPTION OF CONTROLS Connection Options Connection Options Back Connection Panel Back Connection Panel UPGRADE PORT PC/DTV (XGA/ 480p/ 720p 1080i) RGB/DVI PC/DTV (XGA/ 480p/ 720p 1080i) DTV/DVD ANTENNA Inputs G-LINK CABLE Inputs DIGITAL AUDIO OPTICAL Connect antenna sig- Connect a G- Connect cable signals to OUTPUT nals to the TV directly.
  • Page 6 DESCRIPTION OF CONTROLS Front Connection Panel Front Connection Panel There are four jacks on the left side on your projection TV that make connecting Audio/Video devices like video games and camcorders very simple. The jacks are like those found on the back jack connection panel.

  • Page 7: 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 • Controls some video cassette Turns your TV or any other programmed TV INPUT TV/VIDEO recorders or DVD players.
  • Page 8 DESCRIPTION OF CONTROLS TV INPUT • Rotates the input mode between Antenna and Cable. • Video 1-2, 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 sequence: Antenna, Cable, Video 1-2, TV INPUT TV/VIDEO returns to the last TV channel.

  • Page 9: Specifications

    SPECIFICATIONS MODEL 52SX4D-UB 62SX4D-UB Horizontal Size (inches) 55.7 63.4 Height (inches) 35.5 40.4 Depth (inches) 15.7 19.5 82.7 132.3 Weight (lbs.) Power requirement AC120V, 60Hz Television System NTSC-M, ATSC Program Coverage VHF 2 ~ 13, UHF 14 ~ 69, CATV 1 ~ 135, CADTV 1 ~ 135. DTV 2 ~ 69...

  • Page 10: Adjustment Instruction

    ADJUSTMENT INSTRUCTIONS 1. Application Object (3) As shown <Fig. 1>, using the CH+ ( ), CH- ( ) keys to select an item, press the ENTER or VOLUME+ ( ) keys to These instructions apply to the DLP Projection TV (Chassis: enter the appropriate item and begin adjustment.

  • Page 11: Adjustment Instructions

    ADJUSTMENT INSTRUCTIONS [ Pattern for focus adjustment Start DMD/Lens Chucking Screw Fwd/Bwd Check Focus DMD Adjustment(Tilt, Illuminator) Check DMD DMD Manual Lens Adjustment(X & Y) Check Lens Manual Lens Screw Fix. Check Lens Restart <Fig. 6> Focus Pattern(Cross Hatch) Lens Chuck Open DMD Adjustment(X &...
  • Page 12 ADJUSTMENT INSTRUCTIONS 6. EDID(HDMI) Data Input 7. CPLD Download Work 6-1. Required Test Equipment 7-1. Required Test Equipments & (1) Jig for adjusting PC, DDC (PC serial to D-sub connection Preparation for Adjustment device) (1) Connect the PC and memory JIG as shown in <Fig. 8>. (2) S/W for writing DDC(EDID data write &...
  • Page 13 ADJUSTMENT INSTRUCTIONS (4) Select program options. (5) Check the [Erase before programming] and [Verify] menu as shown <Fig. 10> and press the OK button. (6) At this time, the download starts. The download will finish in about 10 seconds. <Fig . 12> CPLD DOWNLOAD PROGRAM 8.
  • Page 14 ADJUSTMENT INSTRUCTIONS (2) Select "Configure -> Select Device". (5) Select "File -> Import", select the Work HEX file and open. (3) When the "Select Device" window appears, select the PIC18F1220 from "Device" and press OK. (6) Select "Programmer -> Program". (7) Download begins and about 3 seconds later, the "Programming succeeded"...
  • Page 15 ADJUSTMENT INSTRUCTIONS 9-2. Adjustment Sequence When connected with the Micom, the display message on the Output window appears as below. (1) When the program is executed, select MPLAB ICD2 from "Programmer -> Select Programmer" Connecting to MPLAB ICD 2 ...Connected Setting Vdd source to MPLAB ICD 2 Target Device PIC18F242 found, revision = 0x7 ...Reading ICD Product ID...
  • Page 16 ADJUSTMENT INSTRUCTIONS 10. POD Certificate Download & IEEE1394(DTCP) Download 10-1. Preparation for Adjustment (1) Connect the MEMORY JIG and PC. (2) Turn on the JIG MAIN POWER SWITCH. (3) After turning on the PC and MONITOR, execute the ‘Certificate Downloader v1.4’ from the screen. 10-2.
  • Page 17 ADJUSTMENT INSTRUCTIONS (11) When completed, “DTCP key Download: OK" will display (8) Now, you may begin IEEE1394 (DTCP) Download work. in the Terminal window and the SET will reboot Select the “DTCP.dat” file by pressing the ‘DTCP File automatically. Open’ button. [ When process (11) malfunctions, it is not Download.
  • Page 18 ADJUSTMENT INSTRUCTIONS 11-2. Preparation for Adjustments 12. Cable Operation Confirmation (1) When using VBI Inserter(TES3): Signal uses Cable input (1) Confirm that the Cable Card is inserted in the slot. and set as below. (2) Enter the EZ adjust menu by pressing Adjust on the Service Remote Control (S R/C).
  • Page 19 ADJUSTMENT INSTRUCTIONS 13-1. Geometery (1) When the upper portion of the screen is larger than the bottom: Adjust Projection lens upward. (2) When the upper portion of the screen is smaller than the bottom: Adjust Projection lens downward. (3) When the horizontal line is tilting in the Cross Pattern: Engine Base is rotating with the left/right.

  • Page 20: Screen Position Adjustment

    ADJUSTMENT INSTRUCTIONS 14. Screen Position Adjustment 15. Component AD9883A Offset/ Gain Adjustment 14-1. Required Test Equipment Service Remote Control 15-1. Required Test Equipment Service Remote Control, 801GF/802F Pattern Generator 14-2. Horizontal Position Adjustment (1) Press ADJ key on the remote control to enter the adjustment mode.
  • Page 21 ADJUSTMENT INSTRUCTIONS <Fig. 18> TEST Pattern(RED Pattern) 17-4. NDC Adjustment Before Actuator Adjustment After Actuator Adjustment For compensation deviation of each Lamp uses NDC Mode. Sees the Pattern and adjust left/right value using Channel <Fig. 16> Test Pattern Key on the Remote Control for Adjustment to be uniform color of White.

  • Page 22: White Balance Adjustment

    ADJUSTMENT INSTRUCTIONS 18. White Balance Adjustment 19-3. Overseas Factory Production Contrast Adjustment Method (Day Light Mode) : R fixation Adjust which it sees last prosecuting attorney time the screen 18-1. Required Test Equipment contrast difference. CA210 or equivalent equipment. (1) Do the same method as above method. (2) Make the as same below pattern in VHF 6CH using RF 18-2.

  • Page 23: Block Diagram

    BLOCK DIAGRAM - 23 -...

  • Page 24: Exploded View

    EXPLODED VIEW - 24 -...

  • Page 25: Exploded View Parts List

    EXPLODED VIEW PARTS LIST Part No. Description 6400GTTC02A SPEAKER,FULLRANGE F30C-6622-1 16OHM 15/25W 80DB 80 NOTHING LUSTER 6400DTTA01A SPEAKER,TWEETER F20T-6624 8OHM 15/25W 84DB 50 NOTHING LUSTER 6410VUH004A POWER CORD,UL/CSA3000MM 3P HUG BLACK VOLEX CSA 3000MM HUG BLACK 500MH 7A 3091V00807B CABINET ASSEMBLY,DU-62SX40D NON NB05EB PUSH 3550V00638A COVER,FRONT DU-62SX40D ABS, AF-303S BEST BUY 4980V00D32F...

  • Page 26: Replacement Parts List

    0IPRPBM001B PPC405GPR-3JB266C IBM E-PBGA IC105 0IMCRTI028B TAS5112DFDR 56P IC3001 0IMCRSJ001A SC1565IST-1.8 SEMTECH 3P SOT223 IC108 0IPMGS1012A SC1592ISTRT SOIC-8P LGDT1102C HD2.3 LG IC SBGA-432P IC301 0ICTMLG009C IC109 0IMMRHY038C HY57V561620CT-H 54PIN IC3200 0IKE702900G KIA7029AF SOT-89 TP 2.9V IC110 0IMCRSJ001A SC1565IST-1.8 3P SOT223...
  • Page 27 SC1565IST-1.8 3P SOT223 Q1208 0TR150400BA CHIP 2SA1504S(ASY) KEC IC801 0IMCRTI014A CDCR83 24P Q1209 0TR387500AA CHIP 2SC3875S(ALY) KEC IC801 0ICTMLG019A LGDT3303 LG IC 100P Q1210 0TR150400BA CHIP 2SA1504S(ASY) KEC STR-X6756 7PIN TO3PF-7L CHIP 2SC3875S(ALY) KEC IC801 0IPMGSK015B Q1211 0TR387500AA IC802 0IMCRSG007A...
  • Page 28 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION Q204 0TR387500AA CHIP 2SC3875S(ALY) KEC D3200 0DRSE00038A SDC15 SOT23 12.8V Q205 0TR387500AA CHIP 2SC3875S(ALY) KEC D3201 0DRSE00038A SDC15 SOT23 12.8V KRA102S R/TP KEC SOT23 CHIP TR KDS184 TP KEC - 85V - 300MA Q206 0TR102008AA D3202...
  • Page 29 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION 0DZ620009BB ZENERS,MTZJ6.2B C1127 0CK104CF56A 0.1UF 1608 16V 10% C1127 0CK104CF56A 0.1UF 1608 16V 10% CAPACITOR 0.1UF 1608 16V 10% C1128 0CK104CF56A 0CE226DF618 22UF STD 16V M FL TP5 C1128 0CK104CF56A 0.1UF 1608 16V 10%...
  • Page 30 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C1163 0CC331CK41A 330PF 1608 50V 5% C123 0CK104CF56A 0.1UF 1608 16V 10% C1163 0CK104CF56A 0.1UF 1608 16V 10% C123 0CE107DK618 100UF STD 50V M FL TP5 0.01UF 1608 50V 10% 0.1UF 1608 16V 10% C1164 0CK103CK56A...
  • Page 31 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C141 0CK104CF56A 0.1UF 1608 16V 10% C186 0CK104CF56A 0.1UF 1608 16V 10% C144 0CK105DF64A 1UF 2012 16V 20% C187 0CK104CF56A 0.1UF 1608 16V 10% 22UF MVG 16V 20% 0.1UF 1608 16V 10% C145 0CE226SF6DC...
  • Page 32 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C227 0CK105DF64A 1UF 2012 16V 20% C2439 0CK104CF56A 0.1UF 1608 16V 10% C229 0CE226DF618 22UF STD 16V M FL TP5 C2440 0CK104CF56A 0.1UF 1608 16V 10% 100UF STD 16V 20% 1000PF 1608 50V 0.1 0CE107DF618 C2441...
  • Page 33 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C2526 0CK104CF56A 0.1UF 1608 16V 10% C3002 0CK103CK56A 0.01UF 1608 50V 10% C2527 0CK104CF56A 0.1UF 1608 16V 10% C3005 0CK104CF56A 0.1UF 1608 16V 10% 0.1UF 1608 16V 10% 0.1UF 1608 16V 10% C2528 0CK104CF56A...
  • Page 34 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C3217 0CC331CK41A 330PF 1608 50V 5% C347 0CK104CF56A 0.1UF 1608 16V 10% C3218 0CC331CK41A 330PF 1608 50V 5% C348 0CK104CF56A 0.1UF 1608 16V 10% 0.1UF 1608 16V 10% 0.1UF 1608 16V 10% C3219 0CK104CF56A...
  • Page 35 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C372 0CK104CF56A 0.1UF 1608 16V 10% C414 0CK104CF56A 0.1UF 1608 16V 10% C373 0CK104CF56A 0.1UF 1608 16V 10% C415 0CK104CF56A 0.1UF 1608 16V 10% 0.1UF 1608 16V 10% 0.1UF 1608 16V 10% C374 0CK104CF56A...
  • Page 36 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C612 0CK104CF56A 0.1UF 1608 16V 10% C650 0CC270CK41A 27PF 1608 50V 5% C614 0CK104CF56A 0.1UF 1608 16V 10% C651 0CC270CK41A 27PF 1608 50V 5% 0.1UF 1608 16V 10% 27PF 1608 50V 5% C615 0CK104CF56A...
  • Page 37 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C721 0CK104CF56A 0.1UF 1608 16V 10% C759 0CK104CF56A 0.1UF 1608 16V 10% C722 0CK104CF56A 0.1UF 1608 16V 10% C760 0CK104CF56A 0.1UF 1608 16V 10% 100UF STD 16V 20% 0.1UF 1608 16V 10% C722 0CE107DF618...
  • Page 38 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C809 0CK1040K945 0.1UF D 50V 80%,-20% C834 0CK104CF56A 0.1UF 1608 16V 10% C810 0CK104CF56A 0.1UF 1608 16V 10% C834 0CK104CF56A 0.1UF 1608 16V 10% R 220PF 2KV 10%,-10% 220UF STD 25V 20% C810 181-091U...
  • Page 39 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C907 0CC221CK41A 220PF 1608 50V 5% C960 0CK104CF56A 0.1UF 1608 16V 10% C908 0CK104CF56A 0.1UF 1608 16V 10% C962 0CK104CF56A 0.1UF 1608 16V 10% 0.22UF 1608 16V 10%,-10% 0.1UF 1608 16V 10% C908 0CK224CFG6A...
  • Page 40 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION CN3500 6630SD01708 CONNECTOR ,USB 8P 0.8MM L841 150-C02V COIL,CHOKE 10UH R 1318 J3202 6630BX05007 CONNECTOR,DRAWING 5PIN 1.25MM L881 150-C02V COIL,CHOKE 10UH R 1318 CONNECTOR,D-SUB 15P 2.29MM COIL,CHOKE 10UH R 1318 JA1200 6630TGA004F L891...
  • Page 41 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION R812 0RD1503H609 150K OHM 1/2 W 5.00% FL2701 6200QJ3001A FILTER,EMC BMS400 NIGATA 25V 200MA R816 0RD1501F609 1.5K OHM 1/6 W 5% FL2702 6200QJ3001A FILTER,EMC BMS400 NIGATA 25V 200MA 1.5K OHM 1/6 W 5% FILTER,EMC BMS400 NIGATA 25V 200MA R817...
  • Page 42 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION L1200 0LCML00003B FILTER,EMC MLB-201209-0120P-N2 5A T402 6200VJT006A FILTER,EMC STC222D 50VOLT 4A 2200PF L1201 0LCML00003B FILTER,EMC MLB-201209-0120P-N2 5A T403 6200VJT006A FILTER,EMC STC222D 50VOLT 4A 2200PF FILTER,EMC MLB-321611-0050P-N1 6A FILTER,EMC STC222D 50VOLT 4A 2200PF L1204 0LCML00002B...
  • Page 43 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION VA2406 6102W5V016A VARISTOR,AVRL161A1R1NT VA2407 6102W5V016A VARISTOR,AVRL161A1R1NT VARISTOR,AVRL161A1R1NT VA2408 6102W5V016A VA2409 6102W5V016A VARISTOR,AVRL161A1R1NT VA2410 6102W5V016A VARISTOR,AVRL161A1R1NT VA2411 6102W5V016A VARISTOR,AVRL161A1R1NT VA2412 6102W5V016A VARISTOR,AVRL161A1R1NT VA2413 6102W5V016A VARISTOR,AVRL161A1R1NT VA2414 6102W5V016A VARISTOR,AVRL161A1R1NT VA2415 6102W5V016A VARISTOR,AVRL161A1R1NT...
  • Page 44 March, 2005 P/NO : 3828VD0222B 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...
  • Page 50 MAIN(TOP) MAIN(BOTTOM) TUNER(TOP) HD3 DLP DRIVER(TOP) DIGITAL(TOP) DIGITAL(BOTTOM) HD3 DLP DRIVER(BOTTOM) TUNER(BOTTOM) SIDE A/V POWER AC INPUT AUDIO(TOP) AUDIO(BOTTOM) HD3 DLP SENSOR AUDIO(TOP) AUDIO(BOTTOM) INTERFACE PRE-AMP CASE DET CONTROL(TOP) EPF(TOP) EPF(BOTTOM) CONTROL(BOTTOM)

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