Related Manuals for LG 26LC7C
Summary of Contents for LG 26LC7C
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Page 1: Service Manual
Internal Use Only website:http://biz.LGservice.com LCD TV SERVICE MANUAL CHASSIS : LA75C MODEL : 26LC7D(C) 26LC7D(C)-UK CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. -
Page 2: Table Of Contents
ADJUSTMENT INSTRUCTION ..............9 TROUBLE SHOOTING ................14 BLOCK DIAGRAM...................17 EXPLODED VIEW .................. 18 REPLACEMENT PARTS LIST ............... 20 SVC. SHEET ....................Copyright © 2007 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 © 2007 LG Electronics. Inc. All right reserved. - 3 - LGE Internal Use Only Only for training and service purposes... -
Page 4: Servicing Precautions
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 © 2007 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 © 2007 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 ~ 60 deg 2) Humidity : 0 ~ 90 % Copyright © 2007 LG Electronics. Inc. All right reserved. - 6 - LGE Internal Use Only Only for training and service purposes... - Page 7 33.75 HDTV 1080P 1920*1080 33.71 29.97 HDTV 1080P 1920*1080 67.432 59.94 HDTV 1080P 1920*1080 67.500 60.00 HDTV 1080P Copyright © 2007 LG Electronics. Inc. All right reserved. - 7 - LGE Internal Use Only Only for training and service purposes...
- Page 8 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 Copyright © 2007 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
(3) BOARD for INTERFACE: IIC & ISP BOARD: 2EA (4) 15P D-SUB CABLE: 2EA (5) Using the 12/15 line of D-SUB 15P 12-SDA/15-SCL Copyright © 2007 LG Electronics. Inc. All right reserved. - 9 - LGE Internal Use Only Only for training and service purposes... - Page 10 7. End of Adjustment ad 00 90 d 00 OK90x (4) When you see (ISP COMPLETE) the download is complete. Copyright © 2007 LG Electronics. Inc. All right reserved. - 10 - LGE Internal Use Only Only for training and service purposes...
- Page 11 These messages will be displayed just a second. <Fig. 3> Device configuration diagram for HDMI EDID Data input Copyright © 2007 LG Electronics. Inc. All right reserved. - 11 - LGE Internal Use Only Only for training and service purposes...
- Page 12 - wb 00 ff the automatic adjustment of White Balance * See Working Guide if you want more information about EDID (internal pattern disappears) is completed. communication. Copyright © 2007 LG Electronics. Inc. All right reserved. - 12 - LGE Internal Use Only Only for training and service purposes...
- Page 13 192 to prevent it from increasing. (When RGB Gains are all 192, the module is in full dynamic range.) Copyright © 2007 LG Electronics. Inc. All right reserved. - 13 - LGE Internal Use Only Only for training and service purposes...
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Page 14: Troubleshooting
Afte r c hecking thoro ugh ly all pa th onc e again, You sh ou ld decid e to rep lace BCM3 552 or not. Copyright © 2007 LG Electronics. Inc. All right reserved. - 14 - LGE Internal Use Only... - Page 15 Afte r c hecking thoro ugh ly all pa th onc e again, You sh ou ld decid e to rep lace BCM3 552o r not. Copyright © 2007 LG Electronics. Inc. All right reserved. - 15 - LGE Internal Use Only...
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Page 16: Hdmi Doesn't Display
The H,V sync and c loc k. You sh ou ld decid e to rep lace BCM3 552 or not. Can you see t he normal wavefo rm? Copyright © 2007 LG Electronics. Inc. All right reserved. - 16 - LGE Internal Use Only... -
Page 17: Block Diagram
BLOCK DIAGRAM Copyright © 2007 LG Electronics. Inc. All right reserved. - 17 - LGE Internal Use Only Only for training and service purposes... -
Page 18: Exploded View
EXPLODED VIEW Copyright © 2007 LG Electronics. Inc. All right reserved. - 18 - LGE Internal Use Only Only for training and service purposes... -
Page 19: Exploded View Parts List
Remote Controller COMPLEX LA73E 32LC4D-UA PACIFIC 2.5 (BCM CHASSIS) 3550V00590A Cover MOLD ABS 50PC3DD-UE.AUSRSHR ABS - EAD35683002 Harness,Single LVDS LPL STANDARD FI-X30HL(JAE) FI-X30HL(JAE) 300mm 1.00MM 30P Copyright © 2007 LG Electronics. Inc. All right reserved. - 19 - LGE Internal Use Only Only for training and service purposes... -
Page 20: Replacement Parts List
C1005X7R104KET 100nF 10% 16V X7R -55TO+125 C2663 0CC100BKF1A 0402N100J500LT 10pF 5% 50V C0G -55TO+125C C219 0CK104BF56A C1005X7R104KET 100nF 10% 16V X7R -55TO+125 - 20 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes... - Page 21 0603B104K160CT 100nF 10% 16V X7R -55TO+125 C335 EAE33970001 CS1005X5R105K6R3NR 1uF 10% 6.3V X5R -55TO+ C406 0CK104BF56A C1005X7R104KET 100nF 10% 16V X7R -55TO+125 - 21 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 22 C1005X7R1E103KT- 10nF 10% 25V X7R -55TO+12 C522 0CK105CD56A C1608X7R1A105KT 1uF 10% 10V X7R -55TO+125C C602 0CK103BH56A C1005X7R1E103KT- 10nF 10% 25V X7R -55TO+12 - 22 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 23 C1005C0G1H101JT 100pF 5% 50V C0G -55TO+125 C665 0CK104BF56A C1005X7R104KET 100nF 10% 16V X7R -55TO+125 C730 0CE105WK6DC MVK4.0TP50VC1M 1uF 20% 50V 5.6MA -40TO+105 - 23 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 24 KDS184 KDS184 TP KEC - 85V - - - 300MA KEC C851 0CE227WF6DC MVK8.0TP16VC220M 220uF 20% 16V 80MA -40TO+ - 24 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 25 Q613 0TR387500AA 2SC3875S(ALY) NPN 5V 60V 50V 150MA 100NA 7 ZD750 0DZRM00178A UDZS5.1B 5.1V 4.98TO5.2V 80OHM 200MW SOD32 - 25 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 26 MNR04M0APJ750 75OHM 5% 1/16W 4 SMD R/TP 8P R2117 0RJ0222C678 MCR01MZPJ220 22OHM 5% 1/16W 1005 R/TP - R - 26 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 27 MCR01MZPJ103 10KOHM 5% 1/16W 1005 R/TP RO R2407 0RJ1000C678 MCR01MZPJ101 100OHM 5% 1/16W 1005 R/TP RO R2671 0RJ4990C478 MCR01MZP5F4990 499OHM 1% 1/16W 1005 R/TP - 27 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 28 R412 0RJ4702C678 MCR01MZPJ473 47KOHM 5% 1/16W 1005 R/TP RO R501 0RJ3301C678 MCR01MZPJ332 3.3KOHM 5% 1/16W 1005 R/TP R - 28 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 29 R609 0RJ0000C678 MCR01MZPJ000 0OHM 5% 1/16W 1005 R/TP ROHM R7020 0RJ1001C678 MCR01MZPJ102 1KOHM 5% 1/16W 1005 R/TP ROH - 29 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 30 R766 0RJ1000C678 MCR01MZPJ101 100OHM 5% 1/16W 1005 R/TP RO R860 0RJ1001E478 MCR01MZPF102 1KOHM 1% 1/16W 1005 R/TP ROH - 30 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 31 Filter,Bead HH-1M2012-121JT(H:1mm) 120OHM L811 EAM38058401 Filter,Bead CB4532UK121E 120OHM L503 6200J00005N Filter,Bead HH-1M2012-121JT(H:1mm) 120OHM L812 EAM38058401 Filter,Bead CB4532UK121E 120OHM - 31 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 32 OTHERs IC101 SAA31489808 S/W,Firmware 3.01.0 84DC NORTH AMERICA FLASH IC407 SAA31489902 S/W,Firmware 3.00 C4E3 NORTH AMERICA Micom IC - 32 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 33 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. MICOM, TTL Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 34 THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. INPUT CONNECTOR VIDEO EXT. INPUT Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 35 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR LVDS THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. SIDE A/V MAIN (BOTTOM) Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 36 Oct., 2007 P/NO : MFL38731308 Printed in Korea...