LG 32LX2D Service Manual
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LG 32LX2D Service Manual

Service manual
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LCD TV

SERVICE MANUAL

CHASSIS : AL-05PA
MODEL : 32LX2D-AA
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
website:http://biz.LGservice.com
e-mail:http://www.LGEservice.com/techsup.html

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Summary of Contents for LG 32LX2D

  • Page 1: Service Manual

    LCD TV SERVICE MANUAL CHASSIS : AL-05PA MODEL : 32LX2D-AA 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..............11 SVC REMOCON ..................14 TROUBLE SHOOTING ................15 BLOCK DIAGRAM...................24 WIRING DIAGRAM ..................26 EXPLODED VIEW .................. 27 REPLACEMENT PARTS LIST ............... 29 SVC. SHEET ...................47 - 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 prevent potential shock reasons prior to applying power to the manual and its supplements and addenda, read and follow the unit under test. SAFETY PRECAUTIONS on page 3 of this publication. 2.
  • Page 5 IC Remove/Replacement 3. Solder the connections. Some chassis circuit boards have slotted holes (oblong) through CAUTION: Maintain original spacing between the replaced which the IC leads are inserted and then bent flat against the component and adjacent components and the circuit board to circuit foil.

  • Page 6: Specification

    SPECIFICATION NOTE : Specifications and others are subject to change without notice for improvement. 1. Application range 3. Test method 1.1 This spec sheet is applied all of the 32" LCD TV with 3.1 Performance : LGE TV test method followed. AL-05PA chassis.
  • Page 7 5. Chroma & Brightness Item Unit Remark Brightness cd/m Contrast Ratio 500:1 600:1 Luminance Variation Viewing Angle(Left, Right, Up, Down) Degree Color coordinate 0.640 -0.03 0.343 +0.03 GREEN 0.280 0.605 BLUE 0.145 0.065 WHITE 0.285 (Standard) 0.293 Color Temperature Medium 8,800 9,300 9,800...
  • Page 8 7. Component Video Input (Y, PB, PR) Resolution H-freq(kHz) V-freq.(kHz) Pixel clock Proposed 720x576 15.625 720x576 31.25 640x480 15.73 59.94/60 704x480 31.47 59.94/60 1280x720(50/60) 37.5/45.0 50/59.94/60 1920x1080(50/60) 28.125/33.75 50/59.94/60.0 8. RGB, HDMI/DVI input (DTV / PC) Resolution H-freq(kHz) V-freq.(kHz) Pixel clock Proposed 720x576 31.25...
  • Page 9 9. General specifications(module) Item Unit Remark Active Screen Size 800.4(diagonal) 31.51 inches Outline Dimension 760(H) x 450(V) x 48(D) Typ. Pixel Pitch 170.25 x 510.75 x RGB Pixel Format 1366(H)x768(V) RGB stripe arrangement Color Depth 8bit 16.7 Mbit Luminance ,White cd/m2 Center 1 point Viewing Angle (CR>10)
  • Page 10 10. Set factoring Condition Item Value Remark Power CH Memory Analog C0,C5,C6,S11,S27,C35,C52,C68 Digital Picture Dynamic Contrast Brightness Color Sharpness Tint (Not available) Color temperature Medium Audio Standard Balance Treble Bass Front surround TV speaker Time Auto clock Manual Clock Enable Off timer On timer Sleep timer...

  • Page 11: Adjustment Instruction

    ADJUSTMENT INSTRUCTION 3-3. EDID DATA 1. Application Object - Download only EDID for HDMI. This document is applied to 32" LCD TV which is manufactured in Monitor Factory or is produced on the basis 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F of this data.
  • Page 12 3-4. EDID S/W Execution and Setting 4. AD9883A-Set Adjustment 1) Connect the Set, EDID Download Jig, PC & Cable. And Execute the S/W : EDID TESTER Ver,2.5 2) Set up S/W option 4-1. Synopsis Repeat Number : 3 AD9883A-Set adjustment to set the black level and the Gain Device Address : A0 of optimum with an automatic movement from the analog =>...
  • Page 13 5-3. Adjustment of White Balance(manual) 5. Adjustment of White Balance Operate the Zero-calibration of the CA-110, then attach sensor to PDP module surface when you adjust. 5-1. Required Equipment Manual adjustment is also possible by the following (1) Color analyzer (CA-110 or similar product) sequence.

  • Page 14: Svc Remocon

    SVC REMOCON FUNTION REMARK POWER To turn the TV on or off POWER ON To turn the TV on automatically if the power is supplied to the TV. (Use the POWER key to deactivate) : It should be deactivated when delivered. MUTE To activate the mute function.

  • Page 15: Troubleshooting

    TROUBLESHOOTING - 15 -...
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  • Page 22 1. RF/AV/Component/ X-Studio/PC-Audio - 22 -...
  • Page 23 2. IDTV/HDMI-Audio - 23 -...

  • Page 24: Block Diagram

    BLOCK DIAGRAM(Video) - 24 -...
  • Page 25 BLOCK DIAGRAM(Audio) - 25 -...

  • Page 26: Wiring Diagram

    WIRING DIAGRAM - 26 -...

  • Page 27: Exploded View

    EXPLODED VIEW - 27 -...

  • Page 28: Exploded View Parts List

    DESCRIPTION PART NO. 3091TKE037H CABINET ASSEMBLY, 32LX2D-AA BRAND CABINET ASSY 6304FLP288A LCD(LIQUID CRYSTAL DISPLAY), LC320W01-SL01 LG PHILPS TFT COLOR WXGA AIODC SPEC UP LEAD FREE 3809TKE030V BACK COVER ASSEMBLY, 32LX2D-AA DTV 3808TKE025 SET 3043TKK252A TILT SWIVEL ASSEMBLY, 32LX2D-UA STAND ASSY...

  • 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: 2005. 09. 12. DATE: 2005. 09. 12. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C514 0CK104CK56A 0.1UF 1608 50V 10% R/TP X7R C308 0CE227SF6DC 220UF MVG 16V 20% R/TP(SMD) C517 0CK474CH94A "0.47UF 1608 25V 80%,-20% R/"...
  • Page 31 DATE: 2005. 09. 12. DATE: 2005. 09. 12. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION ZD301 0DR050008AA SD05.TC R/TP SEMTECH SOD323 L618 6210TCE001G HH-1M3216-501 CERATEC 3216M ZD302 0DR050008AA SD05.TC R/TP SEMTECH SOD323 L619 6210TCE001G HH-1M3216-501 CERATEC 3216M D101...
  • Page 32 DATE: 2005. 09. 12. DATE: 2005. 09. 12. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION L306 0RH0000D622 0 OHM 1 / 10 W 2012 5.00% D R343 0RH1000D622 100 OHM 1 / 10 W 2012 5.00% L308 0RH0000D622 0 OHM 1 / 10 W 2012 5.00% D R348...
  • Page 33 3.3K OHM 1/10 W 5% 1608 R/T X501 6202VDT002H SX-1 SUNNY 18.432000MHZ +/- R432 0RJ1000D677 100 OHM 1/10 W 5% 1608 R/TP 6634D00014B TASA-G204D LG INNOTEK 75 OH R433 0RJ8201D677 8.2K OHM 1/10 W 5% 1608 R/T R436 0RJ0222D677 22 OHM 1/10 W 5% 1608 R/TP...
  • Page 34 DATE: 2005. 09. 12. DATE: 2005. 09. 12. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION MAIN BOARD(Digital) C1553 0CH3104K566 0.1UF 50V 10% X7R 2012 R/TP CAPACITOR C1555 0CH2103K666 0.01UF 50V 20% X7R 2012 R/T C1001 0CH3104K566 0.1UF 50V 10% X7R 2012 R/TP C1556...
  • Page 35 DATE: 2005. 09. 12. DATE: 2005. 09. 12. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C222 0CH3104K566 0.1UF 50V 10% X7R 2012 R/TP C436 0CH3104K566 0.1UF 50V 10% X7R 2012 R/TP C231 0CH3104K566 0.1UF 50V 10% X7R 2012 R/TP C437...
  • Page 36 DATE: 2005. 09. 12. DATE: 2005. 09. 12. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C510 0CH3104K566 0.1UF 50V 10% X7R 2012 R/TP C717 0CH3104K566 0.1UF 50V 10% X7R 2012 R/TP C511 0CH3104K566 0.1UF 50V 10% X7R 2012 R/TP C718...
  • Page 37 DATE: 2005. 09. 12. DATE: 2005. 09. 12. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C329 0CK474CH94A "0.47UF 1608 25V 80%,-20% R/" C1507 0CC471CK41A 470PF 1608 50V 5% R/TP NP0 C330 0CK474CH94A "0.47UF 1608 25V 80%,-20% R/"...
  • Page 38 0CE476WF6DC 47UF MVK 16V 20% R/TP(SMD) C1628 0CE107SF6DC 100UF MVG 16V 20% SMD R/TP C1629 0CE107WF6DC 100UF MVK 16V 20% R/TP(SMD) IC1003 0ICTMLG013A LGDT1901A LG IC 24P SSOP TR C1631 0CE107WF6DC 100UF MVK 16V 20% R/TP(SMD) IC1301 0ICTMLG018B LGDP4411 IEP2 LG IC 208P LQ C1632...
  • Page 39 DATE: 2005. 09. 12. DATE: 2005. 09. 12. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION L1501 6210TCE001P HB-1S2012-121JT CERATECH 20 L1626 6210TCE001G HH-1M3216-501 CERATEC 3216M L1508 6210TCE001P HB-1S2012-121JT CERATECH 20 TRANSISTOR R1602 6210TCE001P HB-1S2012-121JT CERATECH 20...
  • Page 40 DATE: 2005. 09. 12. DATE: 2005. 09. 12. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R1045 0RH4701D622 4.7K OHM 1 / 10 W 2012 5.00 R409 0RH4701D622 4.7K OHM 1 / 10 W 2012 5.00 R1046 0RH4701D622 4.7K OHM 1 / 10 W 2012 5.00 R410...
  • Page 41 DATE: 2005. 09. 12. DATE: 2005. 09. 12. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R825 0RH2201D622 2.2K OHM 1 / 10 W 2012 5.00 R1408 0RJ0000D677 0 OHM 1/10 W 5% 1608 R/TP R826 0RH2201D622 2.2K OHM 1 / 10 W 2012 5.00 R1409...
  • Page 42 DATE: 2005. 09. 12. DATE: 2005. 09. 12. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R302 0RJ0822D677 82 OHM 1/10 W 5% 1608 R/TP R465 0RJ0222D677 22 OHM 1/10 W 5% 1608 R/TP R303 0RJ0822D677 82 OHM 1/10 W 5% 1608 R/TP...
  • Page 43 DATE: 2005. 09. 12. DATE: 2005. 09. 12. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R655 0RJ1000D677 100 OHM 1/10 W 5% 1608 R/TP R829 0RJ4702D677 47000 OHM 1/10 W 5% 1608 R/ R657 0RJ1000D677 100 OHM 1/10 W 5% 1608 R/TP...
  • Page 44 0RH1001D622 1K OHM 1 / 10 W 2012 5.00% R145 0RH4701D622 4.7K OHM 1 / 10 W 2012 5.00 SW1101 140-313B TACT 2LEAD 160G(TA) LG C&D R147 0RH1002D622 10K OHM 1 / 10 W 2012 5.00% SW1102 140-313B TACT 2LEAD 160G(TA) LG C&D R151 0RH0000D622 0 OHM 1 / 10 W 2012 5.00% D...
  • Page 45 DATE: 2005. 09. 12. DATE: 2005. 09. 12. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C135 0CE476SF6DC 47UF MVG 16V 20% SMD R/TP R3105 0RH2200D622 220 OHM 1 / 10 W 2012 5.00% C139 0CE477SF6DC 470UF MVG 16V 20% R/TP(SMD) R3106...
  • Page 46 DATE: 2005. 09. 12. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R2123 0RH0222D622 22 OHM 1 / 10 W 2012 5.00% R2124 0RH0222D622 22 OHM 1 / 10 W 2012 5.00% R2125 0RH2200D622 220 OHM 1 / 10 W 2012 5.00% R2126 0RH2200D622 220 OHM 1 / 10 W 2012 5.00% R2127...

  • Page 47: Svc. Sheet

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  • Page 72 Oct, 2005 P/NO : 38289S0022K Printed in Korea...

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