LG 32LG500H Service Manual
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Also See for 32LG500H:
- Owner's manual (92 pages) ,
- Brochure & specs (4 pages) ,
- Specifications (4 pages)
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Summary of Contents for LG 32LG500H
- Page 1 Internal Use Only North/Latin America http://aic.lgservice.com Europe/Africa http://eic.lgservice.com Asia/Oceania http://biz.lgservice.com LCD TV SERVICE MANUAL CHASSIS : LA66A MODEL : 32LG500H 32LG500H-UA CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
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Page 2: Table Of Contents
SPECIFICATION ..................6 ADJUSTMENT INSTRUCTION............... 11 TROUBLE SHOOTING ................18 BLOCK DIAGRAM.................. 23 EXPLODED VIEW .................. 27 SVC. SHEET ....................Copyright LG Electronics. Inc. All right reserved. - 2 - LGE Internal Use Only Only for training and service purposes... -
Page 3: Product Safety
An other abnormality exists that must be corrected before the receiver is returned to the customer. Copyright LG Electronics. Inc. All right reserved. - 3 - LGE Internal Use Only Only for training and service purposes... - Page 4 Alternatively, obtain and wear a commercially available discharging wrist strap device, which should be removed to prevent potential shock reasons prior to applying power to the Copyright LG Electronics. Inc. All right reserved. - 4 - LGE Internal Use Only Only for training and service purposes...
- Page 5 CAUTION: Maintain original spacing between the replaced component and adjacent components and the circuit board to prevent excessive component temperatures. Copyright LG Electronics. Inc. All right reserved. - 5 - LGE Internal Use Only Only for training and service purposes...
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Page 6: Specification
2) Humidity : ~ 80 % Storage Environment 1) Temp. : -20 ~ 50 deg 2) Humidity : 10 ~ 90 % Copyright LG Electronics. Inc. All right reserved. - 6 - LGE Internal Use Only Only for training and service purposes... - Page 7 1280*720 44.96 59.94 HDTV 720P 1280*720 45.00 60.00 HDTV 720P 1920*1080 33.72 59.94 HDTV 1080I 1920*1080 33.75 60.00 HDTV 1080I Copyright LG Electronics. Inc. All right reserved. - 7 - LGE Internal Use Only Only for training and service purposes...
- Page 8 1280*720 44.96 59.94 HDTV 720P 1280*720 45.00 60.00 HDTV 720P 1920*1080 33.72 59.94 HDTV 1080I 1920*1080 33.75 60.00 HDTV 1080I Copyright LG Electronics. Inc. All right reserved. - 8 - LGE Internal Use Only Only for training and service purposes...
- Page 9 1280*720 44.96 59.94 HDTV 720P 1280*720 45.00 60.00 HDTV 720P 1920*1080 33.72 59.94 HDTV 1080I 1920*1080 33.75 60.00 HDTV 1080I Copyright LG Electronics. Inc. All right reserved. - 9 - LGE Internal Use Only Only for training and service purposes...
- Page 10 5,700g(Typ) 6,000(Max) Display Operating Mode Transmissive mode ,normally black Surface Treatment Hard coating (3H), anti-glare treatment of th fornt polarizer(Haze 13%) Copyright LG Electronics. Inc. All right reserved. - 10 - LGE Internal Use Only Only for training and service purposes...
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Page 11: Adjustment Instruction
4. Start button 3. Power PC -> Download Jig 2. Connect to computer. 1. Connect to Micom port of TV board. Copyright LG Electronics. Inc. All right reserved. - 11 - LGE Internal Use Only Only for training and service purposes... - Page 12 5) Auto-RGB OK means completed adjustment. * When adjust main picture, sub picture is included. <Fig.2> Auto Component Color Balance Test Pattern Copyright LG Electronics. Inc. All right reserved. - 12 - LGE Internal Use Only Only for training and service purposes...
- Page 13 Blue Offset1 Red Offset2 Green Offset2 Blue Offset2 Red Gain Green Gain Blue Gain Reset To Set Default Value on OSD Copyright LG Electronics. Inc. All right reserved. - 13 - LGE Internal Use Only Only for training and service purposes...
- Page 14 0.313 ± 0.002 0.329 ± 0.002 6500k (0.003) 6) When adjustment is completed, Exit adjustment mode using EXIT key on R/C. Copyright LG Electronics. Inc. All right reserved. - 14 - LGE Internal Use Only Only for training and service purposes...
- Page 15 9 : Turn the TV off by auto off function a : Turn the TV off by AV board detect Copyright LG Electronics. Inc. All right reserved. - 15 - LGE Internal Use Only Only for training and service purposes...
- Page 16 0.265 0.295 0.325 WHITE 0.245 0.275 0.305 (COOL) 0.264 0.294 0.324 WHITE 0.266 0.296 0.326 (WARM) Y 0.292 0.322 0.352 Copyright LG Electronics. Inc. All right reserved. - 16 - LGE Internal Use Only Only for training and service purposes...
- Page 17 5) If the Result is 'NG', try One More (2) Needs JIG & Equip. & Cable 1) RJP Check JIG, Modem Cable (8 Pin) 9.4. MPI Card Check Copyright LG Electronics. Inc. All right reserved. - 17 - LGE Internal Use Only Only for training and service purposes...
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Page 18: Troubleshooting
4.6 k‰ / 500 W 400PF 3.15KV 4.6 k‰ / 500 W 400PF 3.15KV CURRENT PROBE : P6022A or same product Copyright LG Electronics. Inc. All right reserved. - 18 - LGE Internal Use Only Only for training and service purposes... - Page 19 After remove the cable connect to Power Board(except the SC100 connection cable), authorizes the AC Voltage marking on manual. When ST-BY 5V does not operate, replace Power Board. Copyright LG Electronics. Inc. All right reserved. - 19 - LGE Internal Use Only Only for training and service purposes...
- Page 20 Cable inserts well. Is normal the Input voltage, IIC Is normal the Replace IC or Main Board Communication and HV sync? FIL8662? Copyright LG Electronics. Inc. All right reserved. - 20 - LGE Internal Use Only Only for training and service purposes...
- Page 21 Communication and HV sync? Is normal the Input voltage, IIC Is normal the Replace Main board Communication and HV sync? FIL8662? Copyright LG Electronics. Inc. All right reserved. - 21 - LGE Internal Use Only Only for training and service purposes...
- Page 22 Cable inserts well. input is no sound? Connected Normal? Is normal the IC1111 Replace IC. (MSP4450) Output? Replace Main board Copyright LG Electronics. Inc. All right reserved. - 22 - LGE Internal Use Only Only for training and service purposes...
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Page 23: Block Diagram
BLOCK DIAGRAM 1. Vide(After) Copyright LG Electronics. Inc. All right reserved. - 23 - LGE Internal Use Only Only for training and service purposes... - Page 24 2. Audio Copyright LG Electronics. Inc. All right reserved. - 24 - LGE Internal Use Only Only for training and service purposes...
- Page 25 3. UART : Universal Asynchronous Receiver Transmitter Copyright LG Electronics. Inc. All right reserved. - 25 - LGE Internal Use Only Only for training and service purposes...
- Page 26 4. MC14052BDTR2(IC1304) Copyright LG Electronics. Inc. All right reserved. - 26 - LGE Internal Use Only Only for training and service purposes...
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Page 27: Exploded View
X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. Copyright LG Electronics. Inc. All right reserved. - 27 - LGE Internal Use Only Only for training and service purposes... - Page 28 SCHEMATIC DIAGRAM Copyright LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 29 Copyright LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 30 Copyright LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 31 Copyright LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 32 Copyright LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 33 Copyright LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 34 Copyright LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 35 Copyright LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 36 Copyright LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 37 Copyright LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 38 Copyright LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 39 Copyright LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 40 Copyright LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 41 Mar., 2009 P/NO : MFL61959101 Printed in Korea...