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LG 32LC2D Service Manual

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LCD TV

SERVICE MANUAL

CHASSIS : LA63E
FACTORY NAME : 32LC2D(U)-UE/37LC2D-UE/42LC2D-UE
MODEL : 32LC2D(U)/37LC2D/42LC2D
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 32LC2D

  • Page 1: Service Manual

    LCD TV SERVICE MANUAL CHASSIS : LA63E FACTORY NAME : 32LC2D(U)-UE/37LC2D-UE/42LC2D-UE MODEL : 32LC2D(U)/37LC2D/42LC2D 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 ...............10 TROUBLE SHOOTING ................15 BLOCK DIAGRAM...................22 EXPLODED VIEW .................. 23 REPLACEMENT PARTS LIST ............... 29 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 32 inch Wide For 32LC2D 37 inch Wide For 37LC2D 42 inch Wide For 42LC2D Aspect Ratio 16:9 Tuning System...
  • Page 7 5. Chroma & Brightness 5.1 FOR 32LC2D CONDITION : EZ-Picture "Normal" Item Unit Remark White peak brightness cd/m HDMI input, full white Contrast Ratio 600:1 800:1 Brightness uniformity Refer to LCD SPEC. Color coordinate 0.633 +/- 0.03 0.339 +/- 0.03 GREEN 0.286...
  • Page 8 5.3 FOR 42LC2D CONDITION : EZ-Picture "Normal" Item Unit Remark White peak brightness cd/m HDMI input, full white Contrast Ratio 600:1 800:1 Brightness uniformity Refer to LCD SPEC. Color coordinate 0.633 +/- 0.03 0.339 +/- 0.03 GREEN 0.286 +/- 0.03 0.610 +/- 0.03 BLUE...
  • Page 9 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 <32LC2D> Item Content Remark Product Dimenson Width(W) Length(D) Height(H) Before Packing With Stand After Packing Product Weight Only SET 22Kg With Stand With Box 25.5Kg...

  • Page 10: 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 11 (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 12 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 13 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 14 [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 15: 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 16: Svc Remocon

    SVC REMOCON FUNTION REAMARK 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.
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  • Page 22: Block Diagram

    BLOCK DIAGRAM - 22 -...

  • Page 23: Exploded View

    - 23 -...
  • Page 24 30919E0041B Cover Assembly, 32LC2D-UD BRAND 30909E0019A PACIFIC DTV-32LC2DU(KUMI) EAJ32763001 LCD,Module-TFT, LC320W01-SL18 WXGA 32INCH 1366X768 500CD COLOR 72% 16/9 800:1 A-TW Pol. P6 LG PHILIPS LCD or EAJ30768801 LCD Module, LC320W01-SL14 WXGA 32.0INCH 1366X768 500CD COLOR 72% 16/9 800 NEC Lamp 6304FAU022A LCD,Module-TFT, T315XW01-V5 XGA 31.5INCH 1366X768 500CD COLOR 72% 16/9 1200:1 SPREAD SPECTRUM...
  • Page 25 - 25 -...
  • Page 26 LCD,Panel-TFT, LC370WX1-SL11 37INCH 1365X768 500CD COLOR 72% - LG PHILIPS LCD or EAJ32763501 LCD,Module-TFT, LC370WX1-SL15 WXGA 37.0INCH 1366X768 500CD COLOR 72% 16/9 800:1 A-TW Pol. P6 LG PHILIPS LCD or 6304FLP367A LCD,Panel-TFT, LC370WX1-SL13 37INCH 1365X768 500CD COLOR 72% - LG PHILIPS LCD 3809900164U Cover Assembly, 37LC2DA-UE LA63E 37"...
  • Page 27 - 27 -...
  • Page 28 DESCRIPTION PART NO. 30919E0047F Cover Assembly, 42LC2D BRAND 30909E0028 AA 6304FLP363A LCD,Panel-TFT, LC420W02-SLA1 42INCH 1365X768 500CD COLOR 72% - LG PHILIPS LCD 3809900165Z Cover Assembly, 42LC2D-UE BCM 42" V0, ANALOG TYPE, LG, C/SKD 3043900034D Base Assembly, 42LC2 42LC2 42LC2 C/SKD 68719ST913A PCB Assembly,Sub, SUB T.T LA51D 42LC2D-UD ALUSLLX - KEY...

  • Page 29: 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 30 DATE: 2006. 09. 06. DATE: 2006. 09. 06. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C4006 0CK104BF56A C1005X7R104KET 100nF 10% 16 C7022 0CK224CF56A 0603B224K160CT 220nF 10% 16 C4007 0CK103BH56A C1005X7R1E103KT- 10nF 10% 2 C7031 0CK104BF56A...
  • Page 31 DATE: 2006. 09. 06. DATE: 2006. 09. 06. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C2011 0CK103BH56A C1005X7R1E103KT- 10nF 10% 2 C4067 0CK104BF56A C1005X7R104KET 100nF 10% 16 C2012 0CK473CH56A C1608X7R1E473KT 47nF 10% 25 C4070 0CK104BF56A...
  • Page 32 DATE: 2006. 09. 06. DATE: 2006. 09. 06. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C7029 0CK105DH56A C2012X7R105KFT 1uF 10% 25V IC4007 0ISTLPH026A 74LVC14APW 1.2TO3.6V 0.01mA C7030 0CK105DH56A C2012X7R105KFT 1uF 10% 25V IC5004 0IPRPCI016A CS4344-CZZR 4.75TO5.25V 3TO...
  • Page 33 DATE: 2006. 09. 06. DATE: 2006. 09. 06. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION L7046 6210TCE001G HH-1M3216-501JT 500OHM 3.2X R1032 0RH1504D622 MCR10EZHJ155 1.5MOHM 5% 1/8 L7047 6210TCE001G HH-1M3216-501JT 500OHM 3.2X R1044 0RH1504D622 MCR10EZHJ155 1.5MOHM 5% 1/8...
  • Page 34 DATE: 2006. 09. 06. DATE: 2006. 09. 06. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R3082 0RJ0000C678 MCR01MZPJ000 0OHM 5% 1/16W R4098 0RJ1000C678 MCR01MZPJ101 100OHM 5% 1/16 R3083 0RJ0000C678 MCR01MZPJ000 0OHM 5% 1/16W R4099 0RJ0000C678...
  • Page 35 DATE: 2006. 09. 06. DATE: 2006. 09. 06. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R5089 0RJ1001C678 MCR01MZPJ102 1KOHM 5% 1/16W R7071 0RJ1502D677 MCR03EZPJ153 15KOHM 5% 1/10 R5090 0RJ1002C678 MCR01MZPJ103 10KOHM 5% 1/16 R7072 0RJ6801D677...
  • Page 36 DATE: 2006. 09. 06. DATE: 2006. 09. 06. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION AR2016 0RJ0222C692 MNR04 M0APJ 220 22OHM 5% 1/ R3052 0RJ0222C678 MCR01MZPJ220 22OHM 5% 1/16W R1006 0RJ2000D477 MCR03EZPF201 200OHM 1% 1/10...
  • Page 37 DATE: 2006. 09. 06. DATE: 2006. 09. 06. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R5036 0RJ1002C678 MCR01MZPJ103 10KOHM 5% 1/16 R7234 0RJ1002D677 MCR03EZPJ103 10KOHM 5% 1/10 R5037 0RJ0000C678 MCR01MZPJ000 0OHM 5% 1/16W R7238 0RJ1000C678...
  • Page 40 Sep., 2006 P/NO : MFL30105549 Printed in Korea...

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