LG 26LC2D Service Manual
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LG 26LC2D Service Manual

LG 26LC2D Service Manual

Lcd tv
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LCD TV

SERVICE MANUAL

CHASSIS : LA63E
FACTORY NAME : 26LC2D-UE
MODEL : 26LC2D
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
e-mail:http://www.LGEservice.com/techsup.html
R
website:http://biz.LGservice.com

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Summary of Contents for LG 26LC2D

  • Page 1: Service Manual

    LCD TV SERVICE MANUAL CHASSIS : LA63E FACTORY NAME : 26LC2D-UE MODEL : 26LC2D CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

  • Page 2: Table Of Contents

    CONTENTS CONTENTS ....................2 PRODUCT SAFETY ..................3 SPECIFICATION ..................6 ADJUSTMENT INSTRUCTION ..............9 TROUBLE SHOOTING ................14 BLOCK DIAGRAM...................21 EXPLODED VIEW .................. 22 REPLACEMENT PARTS LIST ............... 24 SVC. SHEET ....................- 2 -...

  • Page 3: Product Safety

    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 Shock, Fire, or other Hazards.

  • Page 4: Servicing Precautions

    SERVICING PRECAUTIONS CAUTION: Before servicing receivers covered by this service unit under test. manual and its supplements and addenda, read and follow the 2. After removing an electrical assembly equipped with ES SAFETY PRECAUTIONS on page 3 of this publication. devices, place the assembly on a conductive surface such as NOTE: If unforeseen circumstances create conflict between the aluminum foil, to prevent electrostatic charge buildup or...
  • Page 5 IC Remove/Replacement Some chassis circuit boards have slotted holes (oblong) through Circuit Board Foil Repair which the IC leads are inserted and then bent flat against the Excessive heat applied to the copper foil of any printed circuit circuit foil. When holes are the slotted type, the following technique board will weaken the adhesive that bonds the foil to the circuit should be used to remove and replace the IC.

  • Page 6: Specification

    4) CATV : 01~135 5) CADTV : 01~135 Input Voltage 1) AC 100 ~ 240V 50/60Hz Market NORTH AMERICA Screen Size 26 inch Wide For 26LC2D Aspect Ratio 16:9 Tuning System LCD Module T260XW02-V5 For 26LC2D Operating Environment 1) Temp : 0 ~ 40 deg...
  • Page 7 5. Chroma & Brightness 5.1 FOR 26LC2D CONDITION : EZ-Picture "Normal" Item Unit Remark White peak brightness cd/m HDMI input, full white Contrast Ratio 400:1 800:1 Brightness uniformity Refer to LCD SPEC. Color coordinate 0.633 +/- 0.03 0.339 +/- 0.03 GREEN 0.286...
  • Page 8 33.75 60.00 74.25 HDTV 1080I 1920*1080 24.00 74.25 HDTV 1080P 1920*1080 33.75 30.00 74.25 HDTV 1080P 9. Mechanical specification <26LC2D> Item Content Remark Product Dimenson Width(W) Length(D) Height(H) Before Packing With Stand After Packing Product Weight Only SET 16.8Kg With Stand With Box 18.9Kg...

  • Page 9: Adjustment Instruction

    ADJUSTMENT INSTRUCTION 1. Application Object If you turn on a still screen more than 20 minutes (Especially These instructions are applied to all of the LCD TV, LA63E. Digital pattern(13 CH), Cross Hatch Pattern), an afterimage may occur in the black level part of the screen. 3.
  • Page 10 (3) Click the first icon shown in fig.9. The window seen in (3) Click the Send. fig.10 should appear. (4) When you see (ISP COMPLETE) the download is complete. 3-4. Set Method (1) MCU Select: MTV512M64 (2) Option R/W Option: Auto Write(Verity) Jig Option: Myson Transmit Speed: Medium (3) Check: Just do it with blank micom.
  • Page 11 4-3. Adjustment 4. ADC-Set Adjustment (1) Select Component1 as the input with 100% Horizontal 4-1. Synopsis Color Bar Pattern(HozTV31Bar) in 480i Mode (2) After receiving signal for at least 1 second, press the ADJ ADC-Set adjustment to set the black level and the Gain to Key on the Service R/C to enter the ‘Ez - Adjust’...
  • Page 12 6-2. EDID DATA for LA-63E [37LC2DU] :EDID for HDMI-1 (DDC (Display Data Channel) Data) EDID Block 0 table = [32LC2DU] :EDID for HDMI-1 (DDC (Display Data Channel) Data) EDID Block 0 table = 00 FF FF FF FF FF FF 00 1E 6D 01 00 01 01 01 01 10 00 10 03 00 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 00 FF FF FF FF FF FF 00 1E 6D 01 00 01 01 01 01...
  • Page 13 [42LC2DU] 7. Adjustment of White Balance :EDID for HDMI-1 (DDC (Display Data Channel) Data) EDID Block 0 table = 7-1. Required Equipment (1) Color analyzer (CA-100 or CA210 similar product) 00 FF FF FF FF FF FF 00 1E 6D 01 00 01 01 01 01 (2) Automatic adjustor (with automatic adjustment necessity 10 00 10 03 00 80 73 41 96 0A CF 74 A3 57 4C B0 23 and the RS-232C communication being possible)

  • Page 14: Trouble Shooting

    8. Shipping Conditions Item Condition Remark Input Mode TV02CH Volume Level Mute Aspect Ratio 16:9 Video EZ Picture Daylight Contrast Brightness Color Sharpness Tint Color-temperature Cool Auto(On) Advanced Cinema3:2 Mode(Off) Black Level(RF,HDMI=>Low) Audio Audio Language EZ Sound Normal Balance Treble Bass Front Surround TV Speaker...

  • Page 15: Svc Remocon

    SVC REMOCON To turn the TV on or off POWER To turn the TV on automatically if the power is supplied to the TV. (Use the POWER ON POWER key to deactivate): It should be deactivated when delivered. To activate the mute function. MUTE To check TV screen image easily.
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  • Page 21: Block Diagram

    BLOCK DIAGRAM - 21 -...

  • Page 22: Exploded View

    - 22 -...
  • Page 23 PCB Assembly,Sub, SUB T.T LA51D 42LC2D-UD ALUSLL - SIDE A/V 6709900016C SMPS,AC/DC, LGLP2637HEP 90VTO264V 215W 47TO63HZ UL/CSA/SEMKO YY / AT / H&E YUYANG TELECOM CO.,LTD or 6709900016A Power Supply Assembly, FREE H3/E2 LCD MODEL LCD LG ELECTRONICS LB LC EBU32119801 Main Total Assembly, 26LC2D-UE [AUO] BRAND LA63E 49519S0030J...

  • Page 24: Replacement Parts List

    REPLACEMENT PARTS LIST For Capacitor & Resistors, the CC, CX, CK, CN, CH : Ceramic RD : Carbon Film charactors at 2nd and 3rd digit in the CQ : Polyestor RS : Metal Oxide Film P/No. means as follows; CE : Electrolytic RN : Metal Film CF : Fixed Film RH : CHIP, Metal Glazed(Chip)
  • Page 25 DATE: 2006. 10. 06. DATE: 2006. 10. 06. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C4014 0CC221CK41A C1608C0G1H221JT 220pF 5% 50 C7040 0CK105DH56A C2012X7R105KFT 1uF 10% 25V C4015 0CC221CK41A C1608C0G1H221JT 220pF 5% 50 C7042 0CK224CF56A...
  • Page 26 DATE: 2006. 10. 06. DATE: 2006. 10. 06. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C2018 0CK102BK56A 0402B102K500CT 1nF 10% 50V C4096 0CK104BF56A C1005X7R104KET 100nF 10% 16 C2019 0CK102BK56A 0402B102K500CT 1nF 10% 50V C4097 0CK104BF56A...
  • Page 27 DATE: 2006. 10. 06. DATE: 2006. 10. 06. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C7034 0CK104BF56A C1005X7R104KET 100nF 10% 16 IC6001 0IPMG00063A MP1593DN-LF-Z 4.75TO28V 1.2 C7036 0CK103CK56A 0603B103K500CT 10nF 10% 50V IC2002 0IMMRHY057E HY5DU561622ETP-D43 256MBIT C7038...
  • Page 28 DATE: 2006. 10. 06. DATE: 2006. 10. 06. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION L6004 0LCML00003B MLB-201209-0120P-N2 120OHM R1056 0RJ0222C678 MCR01MZPJ220 22OHM 5% 1/16W L7022 0LCML00003B MLB-201209-0120P-N2 120OHM R1057 0RJ0222C678 MCR01MZPJ220 22OHM 5% 1/16W...
  • Page 29 DATE: 2006. 10. 06. DATE: 2006. 10. 06. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R3086 0RJ0000C678 MCR01MZPJ000 0OHM 5% 1/16W R4103 0RJ0222C678 MCR01MZPJ220 22OHM 5% 1/16W R3087 0RJ0000C678 MCR01MZPJ000 0OHM 5% 1/16W R4105 0RJ0222C678...
  • Page 30 DATE: 2006. 10. 06. DATE: 2006. 10. 06. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R5096 0RJ4701C678 MCR01MZPJ472 4.7KOHM 5% 1/1 R7088 0RJ0222C678 MCR01MZPJ220 22OHM 5% 1/16W R5097 0RJ4701C678 MCR01MZPJ472 4.7KOHM 5% 1/1 R7089 0RJ1502D677...
  • Page 31 DATE: 2006. 10. 06. DATE: 2006. 10. 06. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R1038 0RJ0000C678 MCR01MZPJ000 0OHM 5% 1/16W R3074 0RJ0000C678 MCR01MZPJ000 0OHM 5% 1/16W R1039 0RJ0000C678 MCR01MZPJ000 0OHM 5% 1/16W R3075 0RJ0000C678...
  • Page 32 DATE: 2006. 10. 06. DATE: 2006. 10. 06. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION PREAMP+LED BOARD R5069 0RJ1003D677 MCR03EZPJ104 100KOHM 5% 1/1 R5070 0RJ4703D677 MCR03EZPJ474 470KOHM 5% 1/1 R5071 0RJ4702D677 MCR03EZPJ473 47KOHM 5% 1/10...
  • Page 35 Sep., 2006 P/NO : MFL30105551 Printed in Korea...

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