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LG 47LB9R Service Manual
LG 47LB9R Service Manual

LG 47LB9R Service Manual

Chassis : lp7ab
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LCD TV
SERVICE MANUAL
CHASSIS : LP7AB
MODEL : 47LB9R
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
website:http://biz.LGservice.com
47LB9R-TD
Internal Use Only

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Summary of Contents for LG 47LB9R

  • Page 1 Internal Use Only website:http://biz.LGservice.com LCD TV SERVICE MANUAL CHASSIS : LP7AB MODEL : 47LB9R 47LB9R-TD CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
  • Page 2: Table Of Contents

    ADJUSTMENT INSTRUCTION ...............10 TROUBLE SHOOTING ................15 BLOCK DIAGRAM...................20 EXPLODED VIEW .................. 21 REPLACEMENT PARTS LIST ............... 23 SVC. SHEET ....................Copyright © 2007 LG Electronics. Inc. All right reserved. - 2 - LGE Internal Use Only Only for training and service purposes...
  • Page 3 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 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...
  • Page 6: Contents

    Before Packing 1144.3 306.4 825.5 SET(With Stand) After Packing 1230 Peso del Producto Only SET 37.6 With BOX 41.5 Copyright © 2007 LG Electronics. Inc. All right reserved. - 6 - LGE Internal Use Only Only for training and service purposes...
  • Page 7 - APC : Standard Cool 10000 11000 12000 Color pull in Range -500 +500 NTSC -500 +500 Color killer Sensitivity Copyright © 2007 LG Electronics. Inc. All right reserved. - 7 - LGE Internal Use Only Only for training and service purposes...
  • Page 8 4) Input Signal : VESA XGA 60Hz 5) Contrast, Brightness : Max. 6) Clock/Clock Phase : Accurate adjustment Copyright © 2007 LG Electronics. Inc. All right reserved. - 8 - LGE Internal Use Only Only for training and service purposes...
  • Page 9 HDTV 1080I 1920*1080 67,5 60,00 148,5 HDTV 1080P 1920*1080 28,125 74,25 HDTV 1080I 1920*1080 56,25 148,5 HDTV 1080P Copyright © 2007 LG Electronics. Inc. All right reserved. - 9 - LGE Internal Use Only Only for training and service purposes...
  • Page 10: Adjustment Instruction

    4. EDID This spec. sheet is applied to all of the LP7AB chassis(H4) 4.1 Caution manufactured at LG TV Plant all over the world. * Use the proper signal cable for EDID Downloa. - Analog EDID : Pin3 exists 2. Specification - Digital EDID : Pin3 exists 2.1 Because this is not a hot chassis, it is not necessary to...
  • Page 11 Checksum: Changeable by total EDID data • This AV color balance adjustment should be performed before White Balance Adjustment. Copyright © 2007 LG Electronics. Inc. All right reserved. - 11 - LGE Internal Use Only Only for training and service purposes...
  • Page 12 5) Auto-RGB OK means adjustment is completed 5) Auto-RGB OK means the adjustment is completed Copyright © 2007 LG Electronics. Inc. All right reserved. - 12 - LGE Internal Use Only Only for training and service purposes...
  • Page 13 Module and Filter. Therefore Refer to the below Color Coordinates Target. But,in case of WCG module,use the CH12 of CA-210. Copyright © 2007 LG Electronics. Inc. All right reserved. - 13 - LGE Internal Use Only...
  • Page 14 R-Offset_Cool G-Offset_Cool B-Offset_Cool COLOR TEMP. 03h(Cool,Normal,Warm,User) Signal Inside Pattern W/B Adjustment Start Using Internal Pattern W/B Adjustment Comletion Copyright © 2007 LG Electronics. Inc. All right reserved. - 14 - LGE Internal Use Only Only for training and service purposes...
  • Page 15 Copyright © 2007 LG Electronics. Inc. All right reserved. - 15 - LGE Internal Use Only Only for training and service purposes...
  • Page 16 Copyright © 2007 LG Electronics. Inc. All right reserved. - 16 - LGE Internal Use Only Only for training and service purposes...
  • Page 17 Copyright © 2007 LG Electronics. Inc. All right reserved. - 17 - LGE Internal Use Only Only for training and service purposes...
  • Page 18 Copyright © 2007 LG Electronics. Inc. All right reserved. - 18 - LGE Internal Use Only Only for training and service purposes...
  • Page 19 Copyright © 2007 LG Electronics. Inc. All right reserved. - 19 - LGE Internal Use Only Only for training and service purposes...
  • Page 20: Block Diagram

    BLOCK DIAGRAM Copyright © 2007 LG Electronics. Inc. All right reserved. - 20 - LGE Internal Use Only Only for training and service purposes...
  • Page 21 - 21 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 22: Exploded View

    Speaker,Tweeter, EN10D-6714 ND 10W 8OHM 82DB 0HZ 68 X 23 X 22.7 LUG KOREA TOPTONE EAJ38000101 LCD,Module-TFT, LC470WX1-SLA1 WXGA 47INCH 1366X768 500CD COLOR 72% 16/9 1000:1(basic) P7 ZRT 8bit 20% dimming 10000K LG PHILIPS LCD ABJ33147804 Cabinet Assembly, 47LB9DF-UD - 47" CABINET ASS'Y SET, NON PET NAME ACQ33147605 Cover Assembly,Rear, 47LB9R-TD LP7AA 47"...
  • Page 23: Replacement Parts List

    "Capacitor,AL,Chip" MVK4.0TP16VC10M 10uF 2 C1025 0CK103CK56A "Capacitor,Ceramic,Chip" 0603B103K500CT 10nF 10 C223 0CE227SF6DC "Capacitor,AL,Chip" MVG6.3TP16VC220M 220uF C103 0CC102CK41A "Capacitor,Ceramic,Chip" C1608C0G1H102JT 1nF 5% Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 23 - Only for training and service purposes...
  • Page 24 C1809 0CK104CK56A "Capacitor,Ceramic,Chip" 0603B104K500CT 100nF 1 C1242 0CK102CK56A "Capacitor,Ceramic,Chip" 0603B102K500CT 1nF 10% C1810 0CK104CK56A "Capacitor,Ceramic,Chip" 0603B104K500CT 100nF 1 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 24 - Only for training and service purposes...
  • Page 25 C813 0CC300CK41A "Capacitor,Ceramic,Chip" C1608C0G1H300JT 30pF 5 C418 0CK104CF56A "Capacitor,Ceramic,Chip" 0603B104K160CT 100nF 1 C814 0CK104CK56A "Capacitor,Ceramic,Chip" 0603B104K500CT 100nF 1 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 25 - Only for training and service purposes...
  • Page 26 C941 0CK104BF56A "Capacitor,Ceramic,Chip" C1005X7R104KET 100nF 1 C881 0CK104CK56A "Capacitor,Ceramic,Chip" 0603B104K500CT 100nF 1 C942 0CK104BF56A "Capacitor,Ceramic,Chip" C1005X7R104KET 100nF 1 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 26 - Only for training and service purposes...
  • Page 27 "Diode,TVS" CDS3C30GTH 30V 50V 120 L1028 6200J00005N "Filter,Bead" HH-1M2012-121JT(H:1mm) D505 EAH33945901 "Diode,TVS" CDS3C30GTH 30V 50V 120 L103 6210TCE001A "Filter,Bead" HB-1S2012-080JT 8OHM 2 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 27 - Only for training and service purposes...
  • Page 28 "Inductor,Multilayer,Chip" MLI-201212-100K 10UH 1 AR1206 0RJ1000C687 "Resistor,Array" RCA86TRJ100R 100OHM 5% L1406 EAP32842806 "Inductor,Wire Wound,Chip" NR8040T220M 22UH 20% 2 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 28 - Only for training and service purposes...
  • Page 29 R1222 0RJ0561C678 "Resistor,Chip" MCR01MZPJ5R6 5.6OHM 5% R1030 0RJ1002C678 "Resistor,Chip" MCR01MZPJ103 10KOHM 5% R1223 0RJ1000C678 "Resistor,Chip" MCR01MZPJ101 100OHM 5% Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 29 - Only for training and service purposes...
  • Page 30 0RJ5600C678 "Resistor,Chip" MCR01MZPJ561 560OHM 5% R136 0RH0000D622 "Resistor,Chip" MCR10EZHJ000 0OHM 5% 1 R1810 0RJ0472C678 "Resistor,Chip" MCR01MZPJ470 47OHM 5% Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 30 - Only for training and service purposes...
  • Page 31 "Resistor,Chip" MCR01MZPJ000 0OHM 5% 1 R222 0RJ1000C678 "Resistor,Chip" MCR01MZPJ101 100OHM 5% R479 0RJ0000C678 "Resistor,Chip" MCR01MZPJ000 0OHM 5% 1 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 31 - Only for training and service purposes...
  • Page 32 R872 0RJ0222C678 "Resistor,Chip" MCR01MZPJ220 22OHM 5% R633 0RJ2200C678 "Resistor,Chip" MCR01MZPJ221 220OHM 5% R873 0RJ0222C678 "Resistor,Chip" MCR01MZPJ220 22OHM 5% Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 32 - Only for training and service purposes...
  • Page 33 6612J10031A "Jack,RCA" PPJ209-02 14.0MM 1RX5C JK400 6612J10043A "Jack,RCA" PPJ200-07 15MM 1RX4C A D101 0DLBE0138AA "LED,DIP" BL-BUBGE301 ROUND 3MM Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 33 - Only for training and service purposes...
  • Page 34 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 35 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 36 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 37 Oct., 2007 P/NO : MFL39407702 Printed in Korea...

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