LG Electronics CS26460T-ZA, 26CS460/460S/460T-ZA, 26CS460T service manual F. Exterior defect, Lcd Tv

Page 53
F. Exterior defect

Standard Repair Process

 

 

 

 

 

 

Error

F. Exterior defect

Established

2012. 01 .14

LCD TV

date

symptom

 

Exterior defect

Revised date

14/14

 

 

 

 

Zoom part with

Module

Replace module

 

 

 

exterior damage

damage

 

 

 

 

 

 

 

 

Cabinet

Replace cabinet

 

 

 

 

damage

 

 

 

 

 

 

 

 

 

Remote

 

 

 

 

 

controller

Replace remote controller

 

 

 

 

damage

 

 

 

 

 

Stand

Replace stand

 

 

 

 

dent

 

 

 

 

 

 

 

Copyright © 2012 LG Electronics. Inc. All rights reserved.

LGE Internal Use Only

Only for training and service purposes

 

Page 52 Page 53
Image 53
Page 52 Page 53
Contents SERVICE MANUAL CHASSIS LD21CREAD THE SAFETY PRECAUTIONS IN THIS MANUAL http//aic.lgservice.comSAFETY PRECAUTIONS CONTENTSSERVICING PRECAUTIONS SPECIFICATIONIMPORTANT SAFETY NOTICE SAFETY PRECAUTIONSElectrostatically Sensitive ES Devices SERVICING PRECAUTIONSReplacement IC Remove/ReplacementSmall-Signal Discrete Transistor Removal/Replacement Removal4. Model General Specification SPECIFICATION1. Application range 3. Test methodsymbolrate Symbolrate 4.0Msymbols/s to 7.2Msymbols/sDVB-S2 8PSK / QPSK 2 ~ 45Msymbol/s DVB-S QPSK 2 ~ 45Msymbol/s5.2. RGB Input PC - LS35/LS34/CS46 series models are not supported 5. Video resolutions 2D5.1. Component Input Y, CB/PB, CR/PR PCDVI 5.3. HDMI InputPC/DTVBoot file Download ADJUSTMENT INSTRUCTION1. Application Range 2. Designation3.3. EDID data 3.1. ADC Process3.2. EDID Download 7. ADC Calibration3.4 Function Check 4. Total Assembly line process4.1. Adjustment Preparation 4.2. EYE-Q function check 4.5. Outgoing condition Configuration4.3. 3D function test 4.4. IR emitter inspection5. HI-POT Test 6.1. Signal Table6. Model name & Serial number D/L 5.1. HI-POT auto-check preparation7.1 MAC Address 7. MAC Address & CI+ key download7.2 LAN Inspection 7.3. LAN PORT INSPECTIONPING TESTSide RearLG2111 A IC101LS350T/CS460T Applied Model **LM580T, **560T, **LS350T, **CS460TTDSN G301DG001D 560S, **LS350S, **CS460SLS350S/CS460S EXPLODED VIEW PowerDET FROM LIPS & POWER B/D+3.3VNormal +1.5VDDR51Pin LVDS Connector For FHD 60Hz LVDS for large inch30Pin LVDS Connector FOR FHD REVERSE10bitGP4LS7LR22011/06/03 DDR25612 S7LR2DIVXMS10IC1201 H5TQ1G63DFR-H9CGP4LS7LR2 Serial Flash for SPI boot2011/06/03 SFLASH1MB10067972-0500LF CI RegionOption name of this page CISLOT because of Hong Kong ETHERNET H/W option ETHERNETGP4LS7LR22011/06/14 ETHERNET21 IR/CONTROLW/OIROUT IR/LED and control for on.y ’12 sub without IR-OUTTU2602TU2603 TDSS-G101D TDSN-G301D GP4RGLOBALTUNERBLOCKTU2601 TDSQ-G001DOptionLNB DVB-S2 LNB Part AllegroGP4LS7LR22011/11/02 DVBS27 DCDCGND and AGND are connectedGP4LS7LR22011/11/16 AMPSTA380BWE AUDIO AMPSTA380BWENAND FLASH MEMORY VDDC Normal PowerNormal DDR3USB1DIODES USB SIDEHDMI1 HDMI2EANON SIDE HDMIFor CEC HDMI2COMPONENT Full ScartSCART AUDIO OUT SCART AUDIO MUTEGP4LS7LR22011/09/26 RS-232C 4PINMSTAR DEBUG4PIN MSTART DEBUG4PIN2011/09/05 Page Contents of LCD TV Standard Repair Process Continue to the next page Contents of LCD TV Standard Repair Process Detail Technical ManualError symptom ContentLCD TV A. Video errorMain B/D↔ Power B/D, LVDS Cable,Speaker Cable,IR B/D Cable A2 Check Power Board 24v outputCheck various voltages of PowerBoard 3.5V,12V,20V or 24V…Signal Quality Normal over 50% By using Digital signal level meter By using Diagnostics menu on OSDMenu→ Set up→ Support → Signal Test Signal strength Normal over 50% → Set-Top-Box, Different maker TV etc Check color by input -External Input COMPONENT -RGB A8/ A9※ Check Link CableVertical/Horizontal bar, residual image, light spot External device screen error-Color errorConnect other external device and cable Check color condition by input -External Input -Component RGBCheck Power LED B. Power errorCheck Power On ‘”High” Measure voltage of each output of Power B/DIf Power Off mode is not displayed Check Power B/D voltage Check Power Off ModePOWEROFFABNORMAL1 POWEROFFCPUABNORMAL24V of Power C. Audio errorCheck user menu Speaker off Check audio B+Check audio B+ Voltage In case of External Input signal error Check and fix external deviceCheck & Repair D. Function error1. Remote controlR/C operating error Y Check technical Signal information input? - Fix information Check input signalRecognition error Replace Main B/DIdentify nose type E. NoiseF. Exterior defect
Top Page Image Contents