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LG DU-52SZ61D Service Manual
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LG DU-52SZ61D Service Manual

LG DU-52SZ61D Service Manual

Chassis nb-04aa
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DLP PROJECTION TV
SERVICE MANUAL
CHASSIS : NB-04AA
MODEL : DU-52SZ61D
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

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Summary of Contents for LG DU-52SZ61D

  • Page 1 All manuals and user guides at all-guides.com CANADA : http//biz.lgservice.com : http//www.lgservice.com : http//lgservice.com/techsup.html DLP PROJECTION TV SERVICE MANUAL CHASSIS : NB-04AA MODEL : DU-52SZ61D CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
  • Page 2 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

    All manuals and user guides at all-guides.com TABLE OF CONTENTS SPECIFICATIONS..............4 DESCRIPTION OF CONTROLS ...........5 ADJUSTMENT INSTRUCTION..........8 PRINTED CIRCUIT BOARDS ..........21 BLOCK DIAGRAM...............31 EXPLODED VIEW...............32 EXPLODED VIEW PARTS LIST .........33 REPLACEMENT PARTS LIST ..........34 SCHEMATIC DIAGRAM............- 3 -...

  • Page 4: Specifications

    All manuals and user guides at all-guides.com SPECIFICATIONS DU-52SZ51D / DU-52SZ61D MODELS AC120V, 60Hz Power requirement Television System NTSC-M, ATSC VHF 2 ~ 13, UHF 14 ~ 69, CATV 1 ~ 135, CADTV 1 ~ 135. DTV 2 ~ 69 Program Coverage 75 Ω...

  • Page 5: Description Of Controls

    All manuals and user guides at all-guides.com DESCRIPTION OF CONTROLS Controls Controls Remote Control Sensor POWER TV GUIDE ENTER Temperature Indicator CHANNEL ( ) Buttons POWER Button VOLUME ( ) Buttons TV GUIDE Button Lamp Indicator ENTER Button Operation Indicator Function Status Indicators Function Status Indicators - Lamp indicator, operation indicator, and temperature indicator located below the front panel controls, reveal the...
  • Page 6 All manuals and user guides at all-guides.com DESCRIPTION OF CONTROLS Connection Options Connection Options Back Connection Panel Back Connection Panel LEFT/RIGHT AUDIO S-VIDEO Used for stereo A connection AUDIO sound from various available on types of equipment. some very VIDEO high-end equip- ment that pro- VIDEO...
  • Page 7 All manuals and user guides at all-guides.com 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. MODE LIGHT Selects the remote operating mode: TV, Illuminates the remote control buttons.

  • Page 8: Adjustment Instruction

    All manuals and user guides at all-guides.com 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 (Chassis: NB- enter the appropriate item and begin adjustment.
  • Page 9 All manuals and user guides at all-guides.com ADJUSTMENT INSTRUCTIONS 5. Adjusting the Optical Engine <Fig. 4> <Fig. 6> [ Note: The focus check point is not the screen center but the upper/lower screen. (1) After placing the optical engine on the JIG, adjust illuminator by adjuting the A, B, and C as shown <Fig.
  • Page 10 All manuals and user guides at all-guides.com ADJUSTMENT INSTRUCTIONS 6. Caution for DMD 8. CPLD Download Work (Digital Micro-mirror Device) 8-1. Required Test Equipments & Preparation for Adjustment 6-1. Caution for DMD ESD (1) Connect the PC and memory JIG as shown in <Fig. 10>. (1) Use a grounding strap to prevent ESD (Electrostatic (2) Turn on JIG MAIN POWER SW.
  • Page 11 All manuals and user guides at all-guides.com ADJUSTMENT INSTRUCTIONS (4) Select program options. (2) Select "Configure -> Select Device". (5) Check the [Erase before programming] and [Verify] menu as shown <Fig. 12> and press the OK button. (6) At this time, the download starts. The download will finish in about 10 seconds.
  • Page 12 All manuals and user guides at all-guides.com ADJUSTMENT INSTRUCTIONS (5) Select "File -> Import", select the Work HEX file and open. 10-2. Adjustment Sequence (1) When the program is executed, select MPLAB ICD2 from "Programmer -> Select Programmer" (2) Select "Configure -> Select Device". (6) Select "Programmer ->...
  • Page 13 All manuals and user guides at all-guides.com ADJUSTMENT INSTRUCTIONS When connected with the Micom, the display message on 11. POD Certificate Download & the Output window appears as below. IEEE1394(DTCP) Download Connecting to MPLAB ICD 2 11-1. Preparation for Adjustment ...Connected (1) Connect the MEMORY JIG and PC.
  • Page 14 All manuals and user guides at all-guides.com ADJUSTMENT INSTRUCTIONS (5) After clicking ENTER, the ‘opens Private key' window (8) Now, you may begin IEEE1394 (DTCP) Download work. appears and select the Private key applied to the SET. Select the “DTCP.dat” file by pressing the ‘DTCP File The Private Key file name is on the Label of the Digital Open’...
  • Page 15 All manuals and user guides at all-guides.com ADJUSTMENT INSTRUCTIONS 12-2. Preparation for Adjustments (1) When using VBI Inserter(TES3): Signal uses Cable input and set as below. Input Signal (2) When not using VBI Inserter(TES3): VCR uses Cable input and set as below. (11) When completed, “DTCP key Download: OK"...
  • Page 16 All manuals and user guides at all-guides.com ADJUSTMENT INSTRUCTIONS 13. Cable Operation Confirmation 14. Tilt & Keystone Adjustment (1) Confirm that the Cable Card is inserted in the slot. 14-1. Required Test Equipment (2) Enter the EZ adjust menu by pressing Adjust on the (1) Hardware: Six angle wrenches, Spanner, and Screwdriver Service Remote Control (S R/C).
  • Page 17 All manuals and user guides at all-guides.com ADJUSTMENT INSTRUCTIONS 14-4. It followed in Screen Condition, Projector Lens Direction (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 14-5.
  • Page 18 All manuals and user guides at all-guides.com ADJUSTMENT INSTRUCTIONS 15. Screen Position Adjustment 16. Component AD9883A Offset/ Gain Adjustment 15-1. Required Test Equipment Service Remote Control 16-1. Required Test Equipment Service Remote Control, 801GF/802F Pattern Generator 15-2. Horizontal Position Adjustment (1) Press ADJ key on the remote control to enter the adjustment mode.
  • Page 19 All manuals and user guides at all-guides.com ADJUSTMENT INSTRUCTIONS 17. White Balance Adjustment 18-3. Adjustment (1) Using the Volume key, adjust CWI to the left/right. (2) As adjustment, check the appearance noise in the TEST 17-1. Required Test Equipment Pattern. CA110 or CA210 Setting the value reduced 3~4 step at a GREEN noise disappearing spot.
  • Page 20 All manuals and user guides at all-guides.com ADJUSTMENT INSTRUCTIONS 19. Main/Sub Contrast Adjustment Adjust which it sees last prosecuting attorney time the screen contrast difference. Basically the letter does with the fact that the character and distinction become. 19-1. Preparation for Adjustment (1) Receive signal(RF 06Ch.) on the Main/Sub screen in twin picture mode.

  • Page 21: Printed Circuit Boards

    All manuals and user guides at all-guides.com PRINTED CIRCUIT BOARD MAIN(TOP) - 21 -...
  • Page 22 All manuals and user guides at all-guides.com PRINTED CIRCUIT BOARD MAIN(BOTTOM) - 22 -...
  • Page 23 All manuals and user guides at all-guides.com PRINTED CIRCUIT BOARD TUNER(TOP) - 23 -...
  • Page 24 All manuals and user guides at all-guides.com PRINTED CIRCUIT BOARD TUNER(BOTTOM) - 24 -...
  • Page 25 All manuals and user guides at all-guides.com PRINTED CIRCUIT BOARD DIGITAL(TOP) - 25 -...
  • Page 26 All manuals and user guides at all-guides.com PRINTED CIRCUIT BOARD DIGITAL(BOTTOM) - 26 -...
  • Page 27 All manuals and user guides at all-guides.com PRINTED CIRCUIT BOARD DRIVER(TOP) DRIVER(BOTTOM) - 27 -...
  • Page 28 All manuals and user guides at all-guides.com PRINTED CIRCUIT BOARD SMPS LINE FILTER - 28 -...
  • Page 29 All manuals and user guides at all-guides.com PRINTED CIRCUIT BOARD CONTROL(TOP) CONTROL(BOTTOM) PRE-AMP SIDE A/V COLOR WHEEL INTERFACE CASE DET - 29 -...
  • Page 30 All manuals and user guides at all-guides.com PRINTED CIRCUIT BOARD COMPONENT(TOP) LED(TOP) LED(BOTTOM) COMPONENT(BOTTOM) - 30 -...

  • Page 31: Block Diagram

    All manuals and user guides at all-guides.com BLOCK DIAGRAM - 31 -...

  • Page 32: Exploded View

    All manuals and user guides at all-guides.com EXPLODED VIEW - 32 -...

  • Page 33: Exploded View Parts List

    PCB ASSEMBLY,POWER SMPS NB-04AA DLP M/I 6871VSMS02A PCB ASSEMBLY,SUB TUNER NB03KB CABLE READY 6871VSMS01C PCB ASSEMBLY,SUB DIGITAL NB04AA DU-52SZ62D 6871VSMU24F PCB ASSEMBLY,SUB NB04AA DU-52SZ61D COMP M/I ASSY 6871VSMB50F PCB ASSEMBLY,SUB NB04AA DRIVER(DU-52SZ61D) 4814V00434B SHIELD ASSY,DN-44SZ60D NB03KB SUS ,SHIELD CASE DRIVE BOTTOM 4814V00394B...

  • Page 34: Replacement Parts List

    All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST For Capacitor & Resistors, the CC, CX, CK, CN : Ceramic RD : Carbon Film charactors at 2nd and 3rd digit CQ : Polyestor RS : Metal Oxide Film RUN DATE : 2004.8.30 in the P/No.
  • Page 35 All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION IC820 0ISK666813A STR-F6668B(LF1352) 5PIN Q1202 0TR387500AA CHIP 2SC3875S(ALY) KEC 0ISK615311B STR-G6153T(LF1101) 5PIN 0TR387500AA CHIP 2SC3875S(ALY) KEC IC831 Q1203 IC832 0ISH817300B PC817XF3 4D PHOTO COUPLER Q1203 0TR150400BA...
  • Page 36 All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION Q810 0TF283700AA 2SK2837 500V 20A TO3P D845 0DD414809ED 1N4148 TP GRANDE 0TR945009AA KSC945C-Y TO92 50V 150MA 0DD120000BB FML-G12S Q841 D881 Q842 0TR322709AA KTC3227-Y,TP(KTC1627A)
  • Page 37 All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C1010 0CK104CF56A 0.1UF 1608 16V 10% C112 0CK104CF56A 0.1UF 1608 16V 10% 0CE476VF6DC 47UF MV 16V 20% 0CK104CF56A 0.1UF 1608 16V 10% C1011 C1120 C1011...
  • Page 38 All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C1215 0CC471CK41A 470PF 1608 50V 5% C1318 0CK104CF56A 0.1UF 1608 16V 10% 0CE106VF6DC 10UF MV 16V 20% 0CK104CF56A 0.1UF 1608 16V 10% C1216 C1319 C1217...
  • Page 39 All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C222 0CE105VK6DC 1UF MV 50V 20% C334 0CK104CF56A 0.1UF 1608 16V 10% 0CE105VK6DC 1UF MV 50V 20% 0CK104CF56A 0.1UF 1608 16V 10% C223 C335 C225...
  • Page 40 All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C401 0CK104CF56A 0.1UF 1608 16V 10% C445 0CC560CK41A 56PF 1608 50V 5% 0CK104CF56A 0.1UF 1608 16V 10% 0CC560CK41A 56PF 1608 50V 5% C402 C447 C403...
  • Page 41 All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C610 0CK104CF56A 0.1UF 1608 16V 10% C631 0CK104CF56A 0.1UF 1608 16V 10% 0CK104CF56A 0.1UF 1608 16V 10% 0CK104CF56A 0.1UF 1608 16V 10% C611 C632 C611...
  • Page 42 All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C707 0CK104CF56A 0.1UF 1608 16V 10% C743 0CK104CF56A 0.1UF 1608 16V 10% 0CK104CF56A 0.1UF 1608 16V 10% 0CK104CF56A 0.1UF 1608 16V 10% C708 C744 C709...
  • Page 43 All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C804 0CF1050W470 1UF 0 500V 5% C825 0CE107BK618 100UF KME 50V M 0CK10202510 1000P 2KV K B S 0CC100CK11A 10PF 1608 50V 0.5 PF C805 C825 C805...
  • Page 44 All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C862 0CE228BH61A 2200UF KME 25V M C929 0CK104CF56A 0.1UF 1608 16V 10% 181-091Q R 470PF 1KV 10%,-10% 0CC471CK41A 470PF 1608 50V 5% C865 C930 C873...
  • Page 45 All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C965 0CK104CF56A 0.1UF 1608 16V 10% JA201 6613V00010B JACK ASSY,PMJ016B 3P 0.1UF 1608 16V 10% 6613V00013B JACK ASSY,PMJ021B 9P C966 0CK104CF56A JA202 C968...
  • Page 46 All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION R808 0RS1202K607 12K OHM 2 W 5.00% SW06 140-313B SWITCH,TACT 2LEAD 160G(TA) 0RD0471F609 4.7 OHM 1/6 W 5% 140-313B SWITCH,TACT 2LEAD 160G(TA) R809 SW07 R810...
  • Page 47 All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION L1007 6210TCE001G FILTER,EMC HH-1M3216-501 T400 6200VJT006A FILTER,EMC STC222D 50VOLT 4A 2200PF 0LCML00002A FILTER,EMC MLB-321611-0120A-N1 6200VJT006A FILTER,EMC STC222D 50VOLT 4A 2200PF L101 T401 L1013...
  • Page 48 All manuals and user guides at all-guides.com REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION X800 6204B47985K OSCILLATOR,BMS-873R 25MHZ ACCESSORIES 3828VA0515C MANUAL,OWNERS NB04AA 6710V00116P REMOTE CONTROLLER,NB04AA PIP 6851V00023B CABLE ASSEMBLY,3000MM 2PICE - 48 -...
  • Page 49 All manuals and user guides at all-guides.com Aug., 2004 P/NO : 3828VD0148N 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...
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Du-52sz51d