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LCD TV
SERVICE MANUAL
CHASSIS : LP91J
MODEL: 32LK310/310Y/310Z/311/312/313
MODEL:
MODEL:
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL62461524 (1110-REV01)
32LK310/310Y/310Z-TA 32LK311-TB
32LK312-TC 32LK313-TD
North/Latin America
Europe/Africa
Asia/Oceania
Internal Use Only
http://aic.lgservice.com
http://eic.lgservice.com
http://biz.lgservice.com
Printed in Korea
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Summary of Contents for LG 32LK310Y
- 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 : LP91J MODEL: 32LK310/310Y/310Z/311/312/313 MODEL: 32LK310/310Y/310Z-TA 32LK311-TB MODEL: 32LK312-TC 32LK313-TD CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : MFL62461524 (1110-REV01) Printed in Korea...
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Page 2: Table Of Contents
SPECIFICATION ..................6 ADJUSTMENT INSTRUCTION ..............9 TROUBLE SHOOTING ................14 BLOCK DIAGRAM...................17 EXPLODED VIEW .................. 18 SCHEMATIC CIRCUIT DIAGRAM .............. Copyright © 2011 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 © 2011 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 © 2011 LG Electronics. Inc. All right reserved. - 4 - LGE Internal Use Only...
- Page 5 CAUTION: Maintain original spacing between the replaced component and adjacent components and the circuit board to prevent excessive component temperatures. Copyright © 2011 LG Electronics. Inc. All right reserved. - 5 - LGE Internal Use Only Only for training and service purposes...
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Page 6: Specification
L/R Input (22LK310/311: AV Audio Input 1EA) 10. RS-232C Remote control, Commercial control Rear 11. USB Input (1EA) Divx, MP3, JPEG Only Side Copyright © 2011 LG Electronics. Inc. All right reserved. - 6 - LGE Internal Use Only Only for training and service purposes... - Page 7 48.363 60.004 VESA( XGA) 1280* 768 47.776 59.87 79.5 VESA( WXGA) 1360* 768 47.72 59.799 84.75 VESA( WXGA) Copyright © 2011 LG Electronics. Inc. All right reserved. - 7 - LGE Internal Use Only Only for training and service purposes...
- Page 8 148.5 HDTV 1080P 1920 x 1080 24.00 74.25 HDTV 1080P 1920 x 1080 33.75 30.00 74.25 HDTV 1080P Copyright © 2011 LG Electronics. Inc. All right reserved. - 8 - LGE Internal Use Only Only for training and service purposes...
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Page 9: Adjustment Instruction
1) Connect the download jig to D-sub(RGB) jack Click “(1)Read” tab, and then load download file (XXXX.bin) by clicking “Read”. Filexxx.bin Copyright © 2011 LG Electronics. Inc. All right reserved. - 9 - LGE Internal Use Only Only for training and service purposes... - Page 10 (2) Equipment : adjustment remote control. Copyright © 2011 LG Electronics. Inc. All right reserved. - 10 - LGE Internal Use Only Only for training and service purposes...
- Page 11 ENTER( 6) ADC adjustment is executed automatically . 7) When ADC adjustment is finished, this OSD appear Copyright © 2011 LG Electronics. Inc. All right reserved. - 11 - LGE Internal Use Only Only for training and service purposes...
- Page 12 - Enter the white balance adjustment mode with aging command(F3, 00, FF) * Luminance min value is 150cd in the Cool/Medium/Warm mode(For LCD) Copyright © 2011 LG Electronics. Inc. All right reserved. - 12 - LGE Internal Use Only Only for training and service purposes...
- Page 13 0.295 ± 0.002 0.305 ± 0.002 8,000 K 0.000 Warm 0.313 ± 0.002 0.329 ± 0.002 6,500 K 0.003 Copyright © 2011 LG Electronics. Inc. All right reserved. - 13 - LGE Internal Use Only Only for training and service purposes...
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Page 14: Troubleshooting
Or Inverter Pass Check Output of IC802 Change IC802 Fail Pass Check LVDS Cable Change LVDS cable Fail Copyright © 2011 LG Electronics. Inc. All right reserved. - 14 - LGE Internal Use Only Only for training and service purposes... - Page 15 Change the defect part Fail of IC800 Repeat [A], & [B] Process Pass Repeat [A], & [B] Process Copyright © 2011 LG Electronics. Inc. All right reserved. - 15 - LGE Internal Use Only Only for training and service purposes...
- Page 16 Change the defect part Of IC600 Pass Change Speaker Check The Speaker Fail Pass Check The Speaker Wire Copyright © 2011 LG Electronics. Inc. All right reserved. - 16 - LGE Internal Use Only Only for training and service purposes...
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Page 17: Block Diagram
BLOCK DIAGRAM Copyright © 2011 LG Electronics. Inc. All right reserved. - 17 - LGE Internal Use Only Only for training and service purposes... -
Page 18: 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. - 18 - LGE Internal Use Only Only for training and service purposes... - Page 19 LK310 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. INPUT1 Copyright © 2011 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
- Page 20 2010/11/22 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR INPUT2 THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright © 2011 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
- Page 21 LK310 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR HDMI THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright © 2011 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
- Page 22 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LVDS,CTR KEY Copyright © 2011 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
- Page 23 LK310 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. TUNER Copyright © 2011 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
- Page 24 LK310 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. AUDIO Copyright © 2011 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
- Page 25 LK310 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. MSTAR Copyright © 2011 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
- Page 26 LK310 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. DDR2 Copyright © 2011 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
- Page 27 LK310 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. POWER Copyright © 2011 LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
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