Instruction/ maintenance manual of the product 47LM960V-ZB LG Electronics
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Printed in Korea P/NO : MFL67361001 (1203-REV00) CHASSIS : LD23E MODEL : 47LM960V 47LM960V -ZB CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. LED LCD TV SER VICE MANUAL North/Latin America http://aic.lgservice.com Europe/Africa http://eic.
- 2 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes CONTENTS CONTENTS .............................................................................................. 2 SAFETY PRECAUTIONS .
- 3 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in the Schematic Diagram and Exploded View .
- 4 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes SER VICING PRECAUTIONS CAUTION: Before servicing receivers covered by this service manual and its supplements and addenda, read and follow the SAFETY PRECAUTIONS on page 3 of this publication.
- 5 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes IC Remove/Replacement Some chassis circuit boards have slotted holes (oblong) through which the IC leads are inserted and then bent at against the cir- cuit foil.
- 6 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes SPECIFICA TION NOTE : Specifications and others are subject to change without notice for improvement . 1. Application range This specification is applied to the LCD TV used LD23E chassis.
- 7 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes No. Item Specication Remarks 3 Receiving system Analog : Upper Heterodyne D.
- 8 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes 5. Component V ideo Input (Y , C b /P b , C r /P r ) 6. RGB input (PC) No. Resolution H-freq(kHz) V -freq(Hz) Pixel clock 1. 720×480 15.
- 9 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes 7. HDMI Input No. Resolution H-freq(kHz) V -freq.(Hz) Pixel clock(MHz) VIC Proposed HDMI-PC DDC 1 720*400 31.468 70.08 28.321 Х 2 640*480 31.
- 10 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes 8. 3D Mode 8.1. RF Input(3D supported mode manually) No. Resolution Proposed 3D input proposed mode 1 HD 1080I 720P 2D to 3D Side by Side(Half) T op & Bottom 2 SD 576P 576I 2D to 3D 8.
- 1 1 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes 8.3.2. HDMI 1.4b (3D supported mode automatically) No. Resolution H-freq(kHz) V -freq.(Hz) Pixel clock(MHz) VIC 3D input proposed mode Proposed 1 640*480 31.
- 12 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes No. Resolution H-freq(kHz) V -freq.(Hz) Pixel clock(MHz) 3D input proposed mode Proposed 1 1024*768 48.36 60 65 2D to 3D, Side by Side(half) T op & Bottom HDTV 768P 2 1360*768 47.
- 13 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes No. Resolution H-freq(kHz) V -freq.
- 14 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes ADJUSTMENT INSTRUCTION 1. Application Range This specification sheet is applied to all of the LED LCD TV with LD23E chassis.
- 15 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes 3.3. LAN Inspection 3.3.1. Equipment & Condition ▪ Each other connection to LAN Port of IP Hub and Jig 3.
- 16 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes * Manual Download (Model Name and Serial Number) If the TV set is downloaded by OT A or service man, sometimes model name or serial number is initialized.
- 17 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes 4. Manual Adjustment * ADC adjustment is not needed because of OTP(Auto ADC adjustment) 4 .1 EDID(The Extended Display Identification Data)/DDC(Display Data Channel) download 4.
- 18 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes # HDMI 3(C/S : 9D 9A) EDID Block 0, Bytes 0-127 [00H-7FH] EDID Block 1, Bytes 128-255 [80H-FFH] # HDMI 4(C/S : 9D 8A) EDID Block 0, Bytes 0-127 [00H-7FH] EDID Block 1, Bytes 128-255 [80H-FFH] # RGB(C/S : 97) 4.
- 19 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes Ex) wb 00 00 -> Begin white balance auto-adj. wb 00 10 -> Gain adj. ja 00 ff -> Adj. data jb 00 c0 ... ... wb 00 1f → Gain adj.
- 20 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes 4.3. EYE-Q function check (1) T urn on TV . (2) Press EYE key of Adjustment remote control. (3) Cover the Eye Q II sensor on the front of the using your hand and wait for 6 seconds.
- 21 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes 4.7. Wi-Fi T est Step 1) T urn on TV Step 2) Select Network Connection option in Network Menu. Step 3) Select Start Connection button in Network Connection.
- 22 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes 5. T ool Option selection ▪ Method : Press "ADJ" key on the Adjustment remote control, then select T ool option.
- 23 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes A2 A21 A5 A10 A22 AG1 300 200 510 120 121 122 910 560 570 501 500 840 850 810.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THERMAL THERMAL THERMAL THERMAL THERMAL THERMAL THERMAL THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THERMAL THERMAL THERMAL THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Fiber Optic THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THERMAL THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
USB DOWN STREAM USB DOWN STREAM USB DOWN STREAM THERMAL THERMAL THERMAL THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THERMAL THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THERMAL THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THERMAL THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THERMAL THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THERMAL THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THERMAL THERMAL THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THERMAL THERMAL THERMAL THERMAL THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THERMAL THERMAL THERMAL THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
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LCD TV Repair Guide `12 years New Models < Applicable Model > XXLM960V-ZB XXLM860V-ZB V : T2/C/S2 T : T2/C S : T/C/S2 0 : T/C Copyright © 2012 LG Electronics.
Benefit: More Clear More Real Best picture quality + thin TV Local Dimming Local Dimming BLU structure Edge LED Edge Type w/ Local Dimming Upper Metal Cover LED Array LED Array is on the s ide of Module Local dimming depicts more deep black.
Benefit: More Clear More Real Best picture quality + thin TV Slimmer depth better picture quality Local Dimming Local Dimming BLU structure ALEF LED` ALEF Type Local Dimming LED Arr ay is on the back of Module Local dimming depicts more deep black.
Main PCB for Broadband Main + TCON all in one To PSU To FRC BOARD 1 3 4 1 Main processor_Digital(LG1152D), DDR Memory Flash Memory 2 3 4 Micom for Key/IR sensing HDMI switch (4:1) Audio AMP (10W+10W) XXLM960V-ZB XXLM860V-ZB wifi Local Key +IR Motion assy Front Spk Woofer Spk Local Dim.
FRC Board for Broadband Main + TCON all in one 1 FRC Processor (LG1122) 2 XXLM960V-ZB T-Con IC(LG5812 ) 1 2 From Main Board To Pannel ( Left ) To Pannel ( Right ) Copyright © 2012 LG Electronics.
Block Diagram L9A L9D USB2. 0x3 DDR3 X 3 16 16 16 eMMC 8 HDMI1 HDMI2 HDMI3 HDMI4 HDMI (1 Ch) CVBS ( 8 Ch) Audio L/R (5 Ch) SIF(1 Ch) CVBS- Out SCART Line-Out SCART Component (2 Ch) PC-RGB (WUXGA) I2S .
Jack Interface Main Chip SC_DET SC_CVBS_IN DTV/MNT_V_OUT MUX IC2502 ATV_OUT DTV/ATV_SELECT SC_FB/ID_IN 2bit SC_R/G/B 3bit SC_L/R_IN DSUB_R/G/B 3bit DSUB_DET RGB_DDC_SCL/SDA 2bit Tuner EEPROM IC802/ R1.
ATSC Half NIM DIF SIF Parallel TS System Demux Audio DSP Multi-STD Audio Dec oder BTSC AF E 10b@18.432MHz w/ PL L 1ch L/R Audio- ADC 24b@48KHz GBB AFE 1ch@30 MHz w/ PL L Global Baseband V/Q, DVB-T/C CVBS(6c h) Component(2ch) 3ch Video AFE 10b@165MHz w/ LLPLL PC-RGB HDMI-Rx 1.
CPU xi_main 1 Ghz DDR3PLL xo_main 1.6Ghz DDR3PLL1 1.6Ghz 24Mhz DDR3PLL2 0 1 0 1 0 1 CT R 1/2 1/5 1.6Gh z 1.6Ghz Memory Controller Memory Controller Memory Controller 800Mhz 800Mhz Video/Audio Block CP.
Appendix. Block Diagram for Edge/ALEF Backlight [ XXLM960V ALEF LED Backlight] SPI/Vsync FHD@240Hz Quad-Link HF mini-LVDS 8 SoC TCON (240Hz) FRC-III 3D Chip Main FRC LED BLU contr ol LED BLU contr ol .
Interconnection - 1 1 Main PCB 2 LED driver 3 WIFI ASSY 4 RF MOTION ASSY 5 IR Key PCB 6 FRC ASSY [PCBs] XXLM960V-ZB PSU 7 1 2 5 6 7 3 4 Copyright © 2012 LG Electronics.
Interconnection – sub PCB( XXLM960V Series ) RF MOTION ASSY To Main SPK unit 3 WIFI ASSY 4 RF MOTION ASSY 5 Local Key PCB 1 IR Key PCB Speaker cover Assy IR PCB WIFI ASSY Copyright © 2012 LG Electronics.
Contents of LCD TV Standard Repair Process No. Error symptom (High category) Error symptom (Mid cate gory) Page Remarks 1 A. Video error No video/Normal audio 1 2 No video/No audio 2 3 Picture broken/ Freezing 3 4 Color error 4 5 Vertical/Horizontal bar, residual image, light spot, external device color error 5 6 B.
Normal audio Y N Move to No video/No audio No video Normal audio Check Back Light On with naked ey e On Y N Check Power Board 24V, 12V,3.5V etc. Normal voltage Y N Replace T-con Board or module And Ad.
Normal voltage? Check various voltages of Power Board ( 3.5V,12V,20V or 24V…) No Video/ No audio Check and replace MAIN B/D Y Replace Power Board and repair parts N End Standard Repair Process A. Video error No video/ No audio ☞ A4 Establis hed date Revised date 2/15 LCD TV Error symptom 2 2012.
A. Video error Picture bro k en/ Freezing Y N ☞ A6 N Check R F Signal le vel Normal Signal? Check RF Cable Connection 1. Reconnec tion 2. Install Bo oste r Check S/W Version S/W Upgrade Check w hether other e quipments have probl e m or not.
Color error? Y N ※ Check and replace Link Cable (LVDS) and contact condition Y N Replace Main B/D Color error? Check error color input mode Check color by input -External Input -COMPONENT - RGB - HD.
Screen normal? N Y Check external device connection condition Y N Check and replace Link Cable Normal? Y N Screen normal? Replace Main B/D (adjust VCOM) Replace module Check color condi tion by input -External Input -Component - RGB - HDMI/DVI End Vertical/Horizontal bar, r esidual image, light spot Request repair for external device A.
B. Power error No power Power LED On? Y N DC Power on by pressing Power Key On Remote control Y N Normal operation? Check Power On ‘”High” Check Power cord was inserted properly Check Power LED .
B. Power error Off when on, off w hile vi ewing, power auto on/off Error? N Y Check Power Off Mode Fix A/C cord & Outlet and check each 3 phase out Check A/C cord Check for all 3- phase power out .
No audio Screen normal Check user menu > Speaker off Off N Y Cancel OFF Check audio B+ 24V of Power Board Normal vol t ag e Y N Replace Power Board and repair parts Check Speaker disconnection N Y Replace Speaker Replace MAIN Board End C.
→ abnormal audio/di sconti nuation/n oise is same af ter “Check input signal” compared to No audio C. Audio error Wrecked audi o/ disco ntinu ation /noise Wrecked audio/ Discontinuation/ Noise f.
D. Function error Remote co ntrol & Local sw itch checking Y N 1. Remote control(R/C) op erating error Check R/C itself Operation Norm al operating? Normal operating? Y Close Replace R/ C If R/C operate, Explain th e customer cause is inter ference from light in room.
D. Function error M4 operating checking Y N 2. M4(Magic Remoco n) operating error Check M4 itself Operation Norm al operating? Normal operating? Y Close Check & Replace Batterry of M4 Is show ok message? Press the wheel Is show ok message? Close N N N Y Standard Repair Process Establis hed date Revis e d date 11/15 LCD TV Error symptom 11 2012.
D. Function error Wifi op erating c hecking 3.Wifi operating error Check the INSTART menu Wi-Fi Mac value is “NG”? Y Check & Repair Wifi cabl e connection N Check the Wif i wafer (P4301)_1pin Standard Repair Process Establis hed date Revis e d date 12/15 LCD TV Error symptom 12 2012.
Check technical informatio n - Fix information - S/W Version N Y Technical information? Check input signal Signal input? Y N External Input and Component Recognition error Check and fix externa l devic e/cable RGB,HDMI/ DVI, Optical Recognition error Replace Main B/D Replace Main B/D Fix in accordance with technical information D.
Check location of noise Identify nose type Circuit noise Replace PSU(with LED dri ver) Replac e L E D driv er Mechanic al noise Check location of noise OR ※ When the nose is severe, rep lace the mod.
Replace module Zoom par t with exter ior damage Module damage Cabinet damage Replace cabinet Replace remot e controller Remote controller damage Stand dent Replace stand F. Exterior defect Exterior defect Establis hed date Revis e d date 15/15 LCD TV Error symptom Standard Repair Process 15 2012.
Contents of LCD TV Standard Repair Process Detail Technical Manual No. Error symptom Content Page Remark s 1 A. Video error_ No video/Normal audio Check LCD back light with naked eye A1 2 LED driver B+ 24V me asuring method A2 3 Check White Balance value A3 4 A.
Contents of LCD TV Standard Repair Process Detail Technical Manual No. Error symptom Content Page Remark s 16 B. Power error_ No power Check front di splay LED A17 17 Check power input Voltage & ST-BY 3.5V A18 18 Checking method when power is ON A19 19 B.
Established date Standard Repair Process Detail Technical Manual Revis ed date A1 Error symptom Content Check LCD back lig ht with n aked eye A. Video error_No video/Normal audi o After turning on the power and disassembli ng the case, check with the naked eye, whether you can see light from 2 locati ons.
Standard Repair Process Detail Technical Manual LED driver B+ 24V mea suring method A. Video error_No vi deo/Nor mal a udio A2 Established date Revis ed date Error symptom Content LCD TV A2 Check the DC 24V and Invert er on ALEF LED 2011. 12 .14 14 Pin (Power Board ↔ Driver) PSU 1 ~ 5 24V 6 ~ 10 GND 11 Detect 12 Inverter On /Off 13 Int.
Entry met hod 1. Press the ADJ button on the re mote controller fo r adjustment. 2. Enter into White Balance of item 6. 3. After recordin g the R, G, B (GAIN, Cut) value of Color Temp (Cool/Medium/Warm), re-enter the va lue after repl acing the MAIN BOARD.
Standard Repair Process Detail Technical Manual Power Board volt age measur ing metho d A. Video error_No video/ Audio A4 Established date Revis ed date Error symptom Content LCD TV A4 Check the DC 24V, 12V, 3.
Settings Æ Set up Æ Manual Tunin g Æ select channel When the signal is strong, use the attenuator (-10dB, -15dB, -20dB etc.) Standard Repair Process Detail Technical Manual TUNER input s ignal strengt h checking me thod A.
Standard Repair Process Detail Technical Manual LCD-TV Version ch ecking method A. Video error_Video error, video lag/stop 1. Checking method for remote controller for adjustment Press the IN-START with the remote controll er for adjustment Version <ALL MODELS> A7 Established date Revis ed date Error symptom Content LCD TV A7 2011.
Checking method: 1. Check the signal st rength or check whether the scr een is normal when the external device is connected. 2. After mea suring each voltage from power supply, finally replace the MAI N BOARD. Standard Repair Process Detail Technical Manual TUNER chec king part A.
Standard Repair Process Detail Technical Manual LCD TV connection di agram (1) A. Video error _Vertical/Horizontal bar, residual image, light spot As the part connecting to the external in p ut, check the screen condition b y signal A9 Established date Revis ed date Error symptom Content LCD TV A9 <ALL MODELS> 2011.
Standard Repair Process Detail Technical Manual Check Link Cable (LVDS) reconnection condition A. Video error_Color error Check the contact condition of the Link Cable, especiall y dust or mis insertion. A10 Established date Revis ed date Error symptom Content LCD TV A10 <ALL MODELS> 2011.
Standard Repair Process Detail Technical Manual Adjustment Test p atte rn - ADJ Key A. Video error_Color error You can view 6 types of patterns using the ADJ Key Checking item : 1. Defective pixel 2. Resid ual image 3. MODULE error (ADD-BAR,SCAN BAR..
Solder defe ct, CNT Broken T-Con Defect, CNT Broken T-Con Defect, CNT Broken T-Con Defect, CNT Broken Solder defe ct, CNT Broken Solder defect, CNT Broke n Solder defe ct, CNT Broken Solder defect, CN.
Abnormal Power Section Solder defe ct, Short/Crack Abnormal Power Section Solder defe ct, Short/Crack Fuse Open, Abnormal power section Noise GRADATION GRADAT ION Abnormal Display Appendix : Exchange T-Con Board (2) A - 2/5 Copyright © 2012 LG Electronics.
Appendix : Exchange LED driver Board (PSU) No Light Dim Light Dim Light Dim Light No picture/Sound Ok A - 3/5 Copyright © 2012 LG Electronics. Inc. All rights reserved.
Appendix : Exchange the Module (1) Panel Mura, Li ght leakage Press damage Crosstalk Crosstalk Press damage Panel Mura, Li ght leakage Press damage A - 4/5 Un-repairable Cases In this case please exchange the module. Copyright © 2012 LG Electronics. Inc.
Vertical Block Source TAB IC Defect Horizontal Block Gate TAB IC Defect Gate TAB IC Defect Gate TAB IC Defect Vertical Line Source TAB IC Defect Vertical Block Source TAB IC Defect Horizontal Block Ga.
Standard Repair Process Detail Technical Manual Check front displ ay LED B. Power error _No power A17 Established date Revis ed date Error symptom Content LCD TV A17 ST-BY condition: Red or Turn Off Power ON condition: T urn Off Front LED control : Menu Æ Option Æ Standby Light Æ ON/ Off 2011.
Standard Repair Process Detail Technical Manual Check power input voltage and ST-BY 3.5V B. Power error _No power A18 Established date Revis ed date Error symptom Content LCD TV A18 Check the DC 24V, 12V, 3.
Standard Repair Process Detail Technical Manual Checking method when po wer is ON B. Power error _No power A19 Established date Revis ed date Error symptom Content LCD TV A19 Check “power on” p in is h igh 2011.
Entry method 1. Press the IN-START button of the remote controller for adjustment 2. Check the entry into adjustment item 3 Standard Repair Process Detail Technical Manual POWER OFF MODE checking m ethod B. Power error _Off when on, off whi ling viewing <ALL MODELS> A22 Established date Revis ed date Error symptom Content LCD TV A22 2011.
Checking metho d 1. Press the Setting button on the remote controller 2. Select the Sound function of the Menu 3. Select the Sound Setting 4. Select TV Speaker from Off to On Standard Repair Process Detail Technical Manual Checking method in menu w hen there is no audio C.
Checking order when t here is n o audi o ① Check the contact condition of or 24V connector of Main Board ② Measure the 24V input voltage supplied from Pow er Board (If there is no input voltage, r.
Checking order 1, 2. Check IR cable condit ion between IR & Main boar d. 3. Check the st-by 3.3V on the terminal 6. 4. When checking the Pre-Amp wh en the power is in ON condit ion, it is normal when the Analog Tester needle moves slowly, and defec tive when it does not mov e at all.
Checking order 1, 2. Check Motion cable condit ion betw een Motion assy & Main board. 3. Check the 3.3V on the terminal 1. Standard Repair Process Detail Technical Manual Motion R emote o peration checking met hod Established date Revis ed date Error symptom Content LCD TV A28 P4800 1 3.
Checking order 1, 2. Check Wifi cable conditio n between Wifi assy & Main board. 3. Check the 5V on the terminal 1. Standard Repair Process Detail Technical Manual Wifi operation ch e cking method A29 Established date Revis ed date Error symptom Content LCD TV A29 P4301 1 VDD 2 DM 3 DP 4 GND ② ③ 2011.
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