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LG 52SX4D Service Manual
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LG 52SX4D Service Manual

Dlp projection tv
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DLP PROJECTION TV
SERVICE MANUAL
CHASSIS : NB-05EB
MODEL : 52SX4D
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
52SX4D-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 : 52SX4D 52SX4D-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) Check DMD DMD Manual Lens Adjustment(X & Y) Check Lens Manual Tighten Lens Screw . 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

    PCB Assembly,Sub NB05EB DU-52SX40D COMP M/I 6871VSMANZJ PCB Assembly,Sub NB05EB 52SX4D-UB ACCLLSK HD4 DRIVER M/I 3141VSNS77J Chassis Assembly,SUB NB05EB HD4 DMD BOARD ASSY FOR 52SX4D-UB 6871VSME85A PCB Assembly,Sub AUDIO MB042A DN-44SZ80L EBT30567507 Chassis Assembly,ENGINE 52/HD3&HD4/ADJUST/4D TOOL/BUILT-IN ENGINE FOR OVERSEAS SVC 4810900012C Bracket,SMPS 44SZ8D-NA NB05CA HIPS 405AF HD3 ENGINE ASSY.

  • Page 26: Replacement Parts List

    IC3304 0IMMRAM006B S29JL064H90TA100 AMD 48P IC114 0IPRPIC016A ICS570BLFT(3.3V),PB FREE ICS 8P IC3500 0IMCR02014A TSB43DA42AZHCR 196P/BGA IC115 0IPRPFA014A FMS3818KRCX-NL 48P LGDP4411 IEP2 LG IC 176P IC3800 0ICTMLG018B IC116 0ISTL00002A SN74CBTLV3257DGVR 16P IC3801 0IMCRSJ001A SC1565IST-1.8 3P SOT223 IC118 0ISTL00002A SN74CBTLV3257DGVR 16P 0IFA754207A KA75420ZTA 3P,TO-92 TP 4.2V...
  • Page 27 Q1206 0TR387500AA CHIP 2SC3875S(ALY) KEC IC800 0IMMRSS053B K4R271669F-TCS8 54P Q1208 0TR150400BA CHIP 2SA1504S(ASY) KEC IC801 0ICTMLG019A LGDT3303 LG IC 100P Q1209 0TR387500AA CHIP 2SC3875S(ALY) KEC IC801 0IPMGSK015B STR-X6756 7PIN TO3PF-7L Q1210 0TR150400BA CHIP 2SA1504S(ASY) KEC CDCR83 24P CHIP 2SC3875S(ALY) KEC...
  • 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 10A .A .SEC 100NA Q205 0TR387500AA CHIP 2SC3875S(ALY) KEC D3201 0DRSE00038A SDC15 SOT23 12.8V 10A .A .SEC 100NA KRA102S SOT23 CHIP TR KDS184S CHIP 85V 300MA KEC TP Q206...
  • Page 29 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION 0DZ620009BB ZENERS,MTZJ6.2B C1126 0CK104CF56A 0.1UF 1608 16V 10% C1127 0CK104CF56A 0.1UF 1608 16V 10% CAPACITOR 0.1UF 1608 16V 10% C1127 0CK104CF56A 0CE476DF618 47UF STD 16V 20% C1128 0CK104CF56A 0.1UF 1608 16V 10% 0CE226DF618...
  • Page 30 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C1162 0CC331CK41A 330PF 1608 50V 5% C1224 0CK104CF56A 0.1UF 1608 16V 10% C1163 0CC331CK41A 330PF 1608 50V 5% C123 0CK104CF56A 0.1UF 1608 16V 10% 0.1UF 1608 16V 10% 100UF STD 50V M FL TP5 C1163 0CK104CF56A...
  • Page 31 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C140 0CK104CF56A 0.1UF 1608 16V 10% C185 0CK104CF56A 0.1UF 1608 16V 10% C141 0CK104CF56A 0.1UF 1608 16V 10% C186 0CK104CF56A 0.1UF 1608 16V 10% 1UF 2012 16V 20% 0.1UF 1608 16V 10% C144 0CK105DF64A...
  • Page 32 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C225 0CE475DK618 4.7UF STD 50V 20% C2436 0CK104CF56A 0.1UF 1608 16V 10% C226 0CE477DJ618 470UF STD 35V 20% C2437 0CK104CF56A 0.1UF 1608 16V 10% 220UF STD 16V 20% 0.1UF 1608 16V 10% C226 0CE227DF618...
  • Page 33 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C2523 0CK104CF56A 0.1UF 1608 16V 10% 0CK104CF56A 0.1UF 1608 16V 10% C2524 0CK104CF56A 0.1UF 1608 16V 10% C300 0CS336IDKDC 33UF 6032 10V 20%,-20% 0.1UF 1608 16V 10% 0.1UF 1608 16V 10% C2525 0CK104CF56A...
  • Page 34 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C3214 0CK104CF56A 0.1UF 1608 16V 10% C343 0CK104CF56A 0.1UF 1608 16V 10% C3215 0CK104CF56A 0.1UF 1608 16V 10% C344 0CK104CF56A 0.1UF 1608 16V 10% 0.1UF 1608 16V 10% 0.1UF 1608 16V 10% C3216 0CK104CF56A...
  • Page 35 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C368 0CK104CF56A 0.1UF 1608 16V 10% C410 0CK104CF56A 0.1UF 1608 16V 10% C369 0CK104CF56A 0.1UF 1608 16V 10% C411 0CK104CF56A 0.1UF 1608 16V 10% 0.1UF 1608 16V 10% 0.1UF 1608 16V 10% C370 0CK104CF56A...
  • Page 36 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C610 0CK104CF56A 0.1UF 1608 16V 10% C647 0CK104CF56A 0.1UF 1608 16V 10% C611 0CK104CF56A 0.1UF 1608 16V 10% C648 0CK104CF56A 0.1UF 1608 16V 10% 4.7PF 1608 50V 5%,-5% 3.3UF STD 50V 20% C611 0CK4R7CKFDA...
  • Page 37 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C719 0CK104CF56A 0.1UF 1608 16V 10% C756 0CK104CF56A 0.1UF 1608 16V 10% C720 0CK104CF56A 0.1UF 1608 16V 10% C757 0CK104CF56A 0.1UF 1608 16V 10% 220UF STD 25V 20% 100UF STD 10V 20% C720 0CE227DH618...
  • Page 38 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C808 0CE476DK618 47UF STD 50V 20% C833 0CK104CF56A 0.1UF 1608 16V 10% C808 0CC680CK41A 68PF 1608 50V 5% C833 0CE478EHK50 4700UF KMG,RD 25V 20%,-20% 0.1UF 1608 16V 10% 3300UF KMG,RD 16V 20% C809 0CK104CF56A...
  • Page 39 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C904 0CK104CF56A 0.1UF 1608 16V 10% C952 0CS335IJKDC 3.3UF 6032 35V 20%,-20% C905 0CK104CF56A 0.1UF 1608 16V 10% C957 0CK104CF56A 0.1UF 1608 16V 10% 0.1UF 1608 16V 10% 0.1UF 1608 16V 10% C906 0CK104CF56A...
  • Page 40 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION 6631V12009B CONNECTOR ASSEMBLY,4P 1.25MM 150MM L110 6140VB0003A COIL,CHOKE LQH31CN4R7M01L 4.7UH 6631V12010C CONNECTOR ASSEMBLY,5P 1.25MM 200MM L111 6140VB0003A COIL,CHOKE LQH31CN4R7M01L 4.7UH COIL,CHOKE LQH31CN4R7M01L 4.7UH 387-J12M CONNECTOR ASSEMBLY,12P 2.5MM 800MM L112 6140VB0003A 6631V25170A...
  • Page 41 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION R806 0RD0102H609 10 OHM 1/2 W 5.00% FB892 125-123A FILTER,EMC FERRITE BFD3565R2F R809 0RD1000F609 100 OHM 1/6 W 5% FL1200 6200QJ3001A FILTER,EMC BMS400 NIGATA 25V 200MA 220 OHM 1/6 W 5.00% FILTER,EMC BMS400 NIGATA 25V 200MA R810 0RD2200F609...
  • Page 42 FILTER,EMC MLB-160808-0068L-N2 1A L704 0LCML00002B FILTER,EMC MLB-321611-0050P-N1 6A 6851V00018J CABLE,DVI-D TO DVI-D UL20276 AWG30 500MM L705 0LCML00003B FILTER,EMC MLB-201209-0120P-N2 5A 6634D00009C ADAPTER,RF TASA-H310F LG INNOTEK 75 OHM L800 0LCML00002A FILTER,EMC MLB-321611-0120A-N1 6851V00022D CABLE,COAXIAL(250MM),UL1365#26 VW-1 FILTER,EMC MLB-160808-0068L-N2 1A L800 0LCML00004A 6851V00022D...
  • Page 43 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION VA2401 6102W5V016A VARISTOR,AVRL161A1R1NT VA2402 6102W5V016A VARISTOR,AVRL161A1R1NT VARISTOR,AVRL161A1R1NT VA2403 6102W5V016A VA2404 6102W5V016A VARISTOR,AVRL161A1R1NT VA2405 6102W5V016A VARISTOR,AVRL161A1R1NT VA2406 6102W5V016A VARISTOR,AVRL161A1R1NT VA2407 6102W5V016A VARISTOR,AVRL161A1R1NT VA2408 6102W5V016A VARISTOR,AVRL161A1R1NT VA2409 6102W5V016A VARISTOR,AVRL161A1R1NT VA2410 6102W5V016A VARISTOR,AVRL161A1R1NT...
  • Page 44 March, 2005 P/NO : 3828VD0222E 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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