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Summary of Contents for LG 47LH30-UA
- 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 : LA92A MODEL : 47LH30 47LH30-UA CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
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Page 2: Table Of Contents
PRODUCT SAFETY ..................3 SPECIFICATION ..................6 ADJUSTMENT INSTRUCTION ...............14 TROUBLE SHOOTING ................17 BLOCK DIAGRAM...................23 EXPLODED VIEW .................. 24 SVC. SHEET ....................- 2 - LGE Internal Use Only Copyright LG Electronics. Inc. All right reserved. 2009 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. - 3 - LGE Internal Use Only Copyright 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes... - Page 4 - 4 - LGE Internal Use Only Copyright LG Electronics. Inc. All right reserved. 2009 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. - 5 - LGE Internal Use Only Copyright LG Electronics. Inc. All right reserved. 2009 Only for training and service purposes...
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Page 6: Specification
1)Temp : 0 ~40 deg 2)Humidity : ~80 % 10. Storage Environment 1)Temp : -20 ~ 60 deg 2)Humidity : ~85 % - 6 - LGE Internal Use Only Copyright 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes... - Page 7 14. Sharp Edge None 15. UL Compliance Safety UL1492 FCC Class B 16. CSA Compliance Safety CSA C22.2.No.1 - 7 - LGE Internal Use Only Copyright 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
- Page 8 • SET condition : Contrast & Brightness Level 100% • Environment condition: Dark room in the non outside light • Video menu option condition - 8 - LGE Internal Use Only Copyright 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
- Page 9 HDTV 1080P 1920*1080 26.97 23.976 74.176 HDTV 1080P 1920*1080 33.75 30.000 74.25 HDTV 1080P 1920*1080 33.71 29.97 74.176 HDTV 1080P - 9 - LGE Internal Use Only Copyright 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
- Page 10 HDTV 1080P 1920*1080 26.97 23.976 74.176 HDTV 1080P 1920*1080 33.75 30.000 74.25 HDTV 1080P 1920*1080 33.71 29.97 74.176 HDTV 1080P - 10 - LGE Internal Use Only Copyright 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
- Page 11 • RGB [C/S: B7FF] EDID Block 0, table= • HDMI I [C/S: XXBA] EDID Block 0, table= EDID Block 1, table= - 11 - LGE Internal Use Only Copyright LG Electronics. Inc. All right reserved. 2009 Only for training and service purposes...
- Page 12 EDID Block 1, table = • HDMI III [C/S: XX9A] EDID Block 0, table = EDID Block 1, table = - 12 - LGE Internal Use Only Copyright LG Electronics. Inc. All right reserved. 2009 Only for training and service purposes...
- Page 13 Product Only SET 21.9 Without Stand Weight With BOX 24.5 Without Stand Stand Ass’y SWIVEL (±)20 degree Fixed Stand - 13 - LGE Internal Use Only Copyright 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
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Page 14: Adjustment Instruction
• xb 00 60 [Change input source to RGB(1024*768)] • ad 00 10 [Adjust 1024*768 RGB] • ad 00 90 End adj. Ref) ADC adj. RS232C Protocol_Ver1.0 - 14 - LGE Internal Use Only Copyright 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes... - Page 15 “wb 00 ff”, and Adj. offset if need 1) Surrounding Temperature: 25±5 °C 2) Warm-up time: About 5 Min 3) Surrounding Humidity: 20% ~ 80% - 15 - LGE Internal Use Only Copyright 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
- Page 16 3. Punch in the number. (Each model has their number.) 47LH30 32897 2600 932 1152 3 HDMI,CAN Tuner,1 RCA - 16 - LGE Internal Use Only Copyright LG Electronics. Inc. All right reserved. 2009 Only for training and service purposes...
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Page 17: Troubleshooting
Is it supported? Check Component Cable. Check JK1200 Replace Jack. Replace Mstar(IC100) Check Mstar LVDS output or Main board - 17 - LGE Internal Use Only Copyright LG Electronics. Inc. All right reserved. 2009 Only for training and service purposes... - Page 18 Check CVBS signal. Bad Tuner. Replace Tuner. TU1001 #19 Pin Replace Mstar(IC100) Check Mstar LVDS output or Main board - 18 - LGE Internal Use Only Copyright LG Electronics. Inc. All right reserved. 2009 Only for training and service purposes...
- Page 19 Check AV Cable for damage or open conductor. Check JK1200 Replace Jack. Replace Mstar(IC100) Check Mstar LVDS output or Main board - 19 - LGE Internal Use Only Copyright LG Electronics. Inc. All right reserved. 2009 Only for training and service purposes...
- Page 20 Check HDMI Signal If no problem, check signal Replace Main board line. Replace Mstar(IC100) Check Mstar LVDS output or Main board - 20 - LGE Internal Use Only Copyright LG Electronics. Inc. All right reserved. 2009 Only for training and service purposes...
- Page 21 Replace connector Check Connector & P600 if found to be damaged. Check speaker resistance Replace speaker. and connector damage. - 21 - LGE Internal Use Only Copyright LG Electronics. Inc. All right reserved. 2009 Only for training and service purposes...
- Page 22 Check SIF buffer signal. Check SIF Signal line. Follow procedure All source Replace Mstar(IC100) audio trouble shooting guide or Main board - 22 - LGE Internal Use Only Copyright LG Electronics. Inc. All right reserved. 2009 Only for training and service purposes...
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Page 23: Block Diagram
BLOCK DIAGRAM Half-NIM Tuner - 23 - LGE Internal Use Only Copyright LG Electronics. Inc. All right reserved. 2009 Only for training and service purposes... -
Page 24: Exploded View
X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. - 24 - LGE Internal Use Only Copyright 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes... - Page 25 SCHEMATIC DIAGRAM MAIN IC 2009 Copyright LG Electronics. Inc. All right reserved. - 25 - LGE Internal Use Only Only for training and service purposes...
- Page 26 IN / OUT 2009 Copyright LG Electronics. Inc. All right reserved. - 26 - LGE Internal Use Only Only for training and service purposes...
- Page 27 HDMI 2009 Copyright LG Electronics. Inc. All right reserved. - 27 - LGE Internal Use Only Only for training and service purposes...
- Page 28 AUDI 2009 Copyright LG Electronics. Inc. All right reserved. - 28 - LGE Internal Use Only Only for training and service purposes...
- Page 29 POWER 2009 Copyright LG Electronics. Inc. All right reserved. - 29 - LGE Internal Use Only Only for training and service purposes...
- Page 30 TUNER 2009 Copyright LG Electronics. Inc. All right reserved. - 30 - LGE Internal Use Only Only for training and service purposes...
- Page 31 DDR2 2009 Copyright LG Electronics. Inc. All right reserved. - 31 - LGE Internal Use Only Only for training and service purposes...
- Page 32 LVDS 2009 Copyright LG Electronics. Inc. All right reserved. - 32 - LGE Internal Use Only Only for training and service purposes...
- Page 33 ETC SUB BOARD I/F 2009 Copyright LG Electronics. Inc. All right reserved. - 33 - LGE Internal Use Only Only for training and service purposes...
- Page 34 Jan., 2009 P/NO : MFL58436005 Printed in Korea...