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LCD TV
SERVICE MANUAL
CHASSIS : LP62H
FACTORY NAME : 47LB2RF-ZH
MODEL : 47LB2RF
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
website:http://biz.LGservice.com
e-mail:http://www.LGEservice.com/techsup.html

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Summary of Contents for LG 47LB2RF

  • Page 1 LCD TV SERVICE MANUAL CHASSIS : LP62H FACTORY NAME : 47LB2RF-ZH MODEL : 47LB2RF CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
  • Page 2: Table Of Contents

    CONTENTS CONTENTS ....................2 PRODUCT SAFETY ..................3 SPECIFICATION ..................6 ADJUSTMENT INSTRUCTION..............11 TROUBLE SHOOTING ................16 BLOCK DIAGRAM...................23 EXPLODED VIEW .................. 24 REPLACEMENT PARTS LIST ............... 26 SVC. SHEET ....................- 2 -...
  • Page 3: Product Safety

    SAFETY PRECAUTIONS IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in the Schematic Diagram and Replacement Parts List. It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent Shock, Fire, or other Hazards.
  • Page 4 SERVICING PRECAUTIONS CAUTION: Before servicing receivers covered by this service unit under test. manual and its supplements and addenda, read and follow the 2. After removing an electrical assembly equipped with ES SAFETY PRECAUTIONS on page 3 of this publication. devices, place the assembly on a conductive surface such as NOTE: If unforeseen circumstances create conflict between the aluminum foil, to prevent electrostatic charge buildup or...
  • Page 5 IC Remove/Replacement Some chassis circuit boards have slotted holes (oblong) through Circuit Board Foil Repair which the IC leads are inserted and then bent flat against the Excessive heat applied to the copper foil of any printed circuit circuit foil. When holes are the slotted type, the following technique board will weaken the adhesive that bonds the foil to the circuit should be used to remove and replace the IC.
  • Page 6: Specification

    SPECIFICATION NOTE : Specifications and others are subject to change without notice for improvement. 1.General Specification(TV) Item Specification Remark Video input applicable system PAL-D/K, B/G, I, NTSC-M, SECAM NTSC 4.43 Receivable Broadcasting System 1) PAL/SECAM BG 2) PAL/SECAM DK 3) PAL I/I 4) PAL-N/M Middlesouth America 5) NTSC M...
  • Page 7 2. General Specification Item Specification Remark Panel 47" TFT WUXGA LCD Frequency range H : 31 ~ 78Khz PC Input V : 56 ~ 75Hz Control Function 1) Contrast/Brightness 2) H-Position / V-Position 3) Tracking : Clock / Phase 4) Auto Configure 5) Reset Component Jack Y/Pb/Pr : 2EA...
  • Page 8 4. Model Specification Item Specification Remark Market CHINA Broadcasting system PAL BG/I/DK, NTSC-M Available Channel BAND NTSC VHF/UHF C1 ~ C69 2~83 CATV S1 ~ S47 1~71 Receiving system Upper Heterodyne SCART Jack(0EA) PAL, SECAM, NTSC Video Input (2EA) PAL, SECAM, NTSC 4 System : PAL, SECAM, NTSC, PAL60 S-Video Input (2EA)
  • Page 9 6. Component Video Input(Y, P Resolution H-freq(kHz) V-freq.(Hz) Pixel clock(MHz) Proposed 720*480 15.73 59.94 13.500 SDTV, DVD 480I(525I) 720*480 15.75 60.00 13.514 SDTV, DVD 480I(525I) 720*576 15.625 50.00 13.500 SDTV, DVD 576I(625I) 720*480 31.47 59.94 27.000 SDTV 480P 720*480 31.50 60.00 27.027 SDTV 480P...
  • Page 10 Indi Wooden Indi Woonden Stand Assy Type Attachde(detachable) Size(W x D x H) 722.0 Tilt Degree Tilt force Swivel Degree +30º(±1) / -30º(±1) Swivel Force 2.0 ~ 2.3kgf Appearance Refer to Standard of LG(55) G1 - 1020 - 10 -...
  • Page 11: Adjustment Instruction

    4. EDID This spec. sheet is applied to all of the LP62H chassis(H3- Caution High) manufactured at LG TV Plant all over the world. * Use the proper signal cable for EDID Download - 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 12 a. Product ID 5.1.2 Requirement • This AV color balance adjustment should be performed Product ID before White Balance Adjustment. Model Name Product ID EDID table • After AV color balance adjustment, Change the mode from 47LB1R 40037(A) 40037 9C65 659C AV to RF.(Cancel Heat-run mode) 40038(D)
  • Page 13 - If Minimum Black Level and/or Maximum White 8)Adjust Only High Light with R Gain/B Gain using (VOL Level is not correct, Do select 100% Color Bar +/-) key on R/C. Pattern. 9) Adjust it until color coordination becomes as below. X-axis : 0.283±0.003 Y-axis : 0.298±0.003 (R/G/B gain and R/G/B offset Default values are different in...
  • Page 14 7. Shipping Conditions Item Condition Remark Power Volume Level Main Picture Input Main Last Channel Pr 01 Mute 16 : 9 Station Auto Programme Manual Programme Programme Edit Favorite Programme None Picture Dynamic Dynamic Contrast Brightness Colour Sharpness Normal Auto Advanced Reset Sound...
  • Page 15 SVC REMOCON To turn the TV on or off POWER To turn the TV on automatically if the power is supplied to the TV. (Use the POWER ON POWER key to deactivate): It should be deactivated when delivered. To activate the mute function. MUTE To check TV screen image easily.
  • Page 16: Trouble Shooting

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  • Page 23: Block Diagram

    BLOCK DIAGRAM - 23 -...
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  • Page 25: Exploded View

    6401900131B Speaker Assembly, 42LB1 WOOFER LEFT(970MM) 6401900131G Speaker Assembly, 47LB1R-CH WOOFER RIGHT(850MM) EBR32285102 PCB Assembly SUB, PAKING LP62H 47LB2RF-ZH SKD SIDE PACKING AGU30256704 Plate Assembly, SHIELD, analog shield assy for 47LB1R-ZH(CKD) AGU30256702 Plate Assembly, SHIELD, analog shield assy for 47LB1R-ZH...
  • Page 26: Replacement Parts List

    REPLACEMENT PARTS LIST For Capacitor & Resistors, the CC, CX, CK, CN, CH : Ceramic RD : Carbon Film charactors at 2nd and 3rd digit in the CQ : Polyestor RS : Metal Oxide Film P/No. means as follows; CE : Electrolytic RN : Metal Film CF : Fixed Film RH : CHIP, Metal Glazed(Chip)
  • Page 27 DATE: 2006. 09. 05. DATE: 2006. 09. 05. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C841 0CE226SF6DC VMV226M016S0ANB010 22uF 20% C1102 0CK104CK56A 0603B104K500CT 100nF 10% 50 C842 0CE226SF6DC VMV226M016S0ANB010 22uF 20% C1103 0CK104CK56A 0603B104K500CT 100nF 10% 50...
  • Page 28 DATE: 2006. 09. 05. DATE: 2006. 09. 05. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C138 0CK104CK56A 0603B104K500CT 100nF 10% 50 C1810 0CK104CK56A 0603B104K500CT 100nF 10% 50 C139 0CK104CK56A 0603B104K500CT 100nF 10% 50 C1811 0CK104CK56A...
  • Page 29 DATE: 2006. 09. 05. DATE: 2006. 09. 05. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C850 0CK104CK56A 0603B104K500CT 100nF 10% 50 C923 0CK103CK56A 0603B103K500CT 10nF 10% 50V C851 0CK103CK56A 0603B103K500CT 10nF 10% 50V C924 0CK104CK56A...
  • Page 30 DATE: 2006. 09. 05. DATE: 2006. 09. 05. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C180 0CK102CK56A 0603B102K500CT 1nF 10% 50V C605 0CK104CK56A 0603B104K500CT 100nF 10% 50 C1820 0CK104CK56A 0603B104K500CT 100nF 10% 50 C606 0CK104CK56A...
  • Page 31 DATE: 2006. 09. 05. DATE: 2006. 09. 05. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION ZD500 0DR050008AA SD05.TC - 6V 14.5V 24A 350W L1115 6210TCE001G HH-1M3216-501JT 500OHM 3.2X ZD501 0DR050008AA SD05.TC - 6V 14.5V 24A 350W L113...
  • Page 32 DATE: 2006. 09. 05. DATE: 2006. 09. 05. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION L103 0LCML00020G MLI-201209-3R3K 3.3UH 10% 0 Q304 0TR387500AA 2SC3875S(ALY) NPN 5V 60V 50 L104 0LCML00020G MLI-201209-3R3K 3.3UH 10% 0 Q400...
  • Page 33 DATE: 2006. 09. 05. DATE: 2006. 09. 05. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R1255 0RJ1000D677 MCR03EZPJ101 100OHM 5% 1/10 R162 0RJ0822D677 MCR03EZPJ820 82OHM 5% 1/10W R1260 0RJ1002D677 MCR03EZPJ103 10KOHM 5% 1/10 R164 0RJ2700D677...
  • Page 34 DATE: 2006. 09. 05. DATE: 2006. 09. 05. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R2100 0RJ1002D677 MCR03EZPJ103 10KOHM 5% 1/10 R467 0RJ1501D677 MCR03EZPJ152 1.5KOHM 5% 1/1 R2101 0RJ0000D677 MCR03EZPJ000 0OHM 5% 1/10W R469 0RJ0000D677...
  • Page 35 DATE: 2006. 09. 05. DATE: 2006. 09. 05. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R900 0RJ1002D677 MCR03EZPJ103 10KOHM 5% 1/10 R1226 0RJ0152D677 MCR03EZPJ150 15OHM 5% 1/10W R902 0RJ0000D677 MCR03EZPJ000 0OHM 5% 1/10W R1227 0RJ0152D677...
  • Page 36 DATE: 2006. 09. 05. DATE: 2006. 09. 05. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R1467 0RJ0000D677 MCR03EZPJ000 0OHM 5% 1/10W R317 0RJ1000D677 MCR03EZPJ101 100OHM 5% 1/10 R1469 0RJ0000D677 MCR03EZPJ000 0OHM 5% 1/10W R318 0RJ1000D677...
  • Page 37 DATE: 2006. 09. 05. DATE: 2006. 09. 05. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R458 0RJ1000D677 MCR03EZPJ101 100OHM 5% 1/10 R873 0RJ0222D677 MCR03EZPJ220 22OHM 5% 1/10W R460 0RJ0000D677 MCR03EZPJ000 0OHM 5% 1/10W R874 0RJ0222D677...
  • Page 38 DATE: 2006. 09. 05. DATE: 2006. 09. 05. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION Q105 0TR387500AA 2SC3875S(ALY) NPN 5V 60V 50 R104 0RH4701D622 MCR10EZHJ472 4.7KOHM 5% 1/8 Q106 0TR387500AA 2SC3875S(ALY) NPN 5V 60V 50 R105...
  • Page 42 Sep., 2006 P/NO : MFL35963401 Printed in Korea...

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