LG Electronics service manual Led Tv, Service Manual, MODEL 55LA625C 55LA625C-ZA

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		Internal Use Only
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LED TV

SERVICE MANUAL

CHASSIS : LD3AC

MODEL: 55LA625C 55LA625C-ZA

CAUTION

BEFORE SERVICING THE CHASSIS,

READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

P/NO : MFL67800113(1309-REV00)	Printed in Korea

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Contents READ THE SAFETY PRECAUTIONS IN THIS MANUAL SERVICE MANUALLED TV MODEL 55LA625C 55LA625C-ZACopyright Only for training and service purposesLG Electronics. Inc. All rights reserved LGE Internal Use OnlyGeneral Guidance SAFETY PRECAUTIONSBefore returning the receiver to the customer Leakage Current Cold CheckAntenna Cold CheckElectrostatically Sensitive ES Devices SERVICING PRECAUTIONSReplacement IC Remove/ReplacementSmall-Signal Discrete Transistor Removal/Replacement Removal4. Model General Specification SPECIFICATION1. Application range 3. Test methodDVB-T Symbolrate 4.0Msymbols/s to 7.2Msymbols/sGuard IntervalBitrateMbit/s 1/4, 1/8, 1/16, 1/325.1. Component Input Y, CB/PB, CR/PR 5. Video resolutions 2D5.2. RGB Input PC - HD Model 5.3. RGB Input PC - FHD ModelPCDVI 5.3. HDMI InputPC/DTV1. Application Range ADJUSTMENT INSTRUCTION2. Designation 3. Main PCB check process3.1. ADC Process After downloading, have to adjust Tool Option again3.2. EDID Download 3.3. EDID data4.1. White Balance adjustment 4. Total Assembly line process3.4 Function Check 6. Model name & Serial number D/L 5. GND and HI-POT Test6.1. Signal Table 4.5. Outgoing condition Configuration6.3. Method & notice 7. CI+ key download7.1. Communication Prot connection 7.2. CI+ Key Download8.1. External speaker8OHM, 1W, Single-End 8. Check Commercial Features8.2. IR OUT 1. Check the booting Voltage TROUBLE SHOOTING GUIDE2. Digital TV Video 4. AV Video 3. Analog TV Video6. HDMI Video 5. RGB Video8. TV Audio 7. Audio of All iput10. RGB Audio 9. AV AudioS7LR2 LGE211A-T8 BLOCK DIAGRAMTuner DVB- T/C EXPLODED VIEW 2012 . 11 2013 S7LR2Copyright 2013 LG Electronics. Inc. All rights reserved FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESVDDC NormalPowerDET FROM LIPS & POWER B/D+1.5VDDR +3.3VNormal780 mANTP-7500L IC501SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC CONTROL IR & LED51Pin LVDS Connector For FHD 60Hz LVDS30Pin LVDS Connector FOR FHD REVERSE10bit Change in S7LRHDMI1 HDMI EEPROMHDMI2 For CECRS - 232C RS232CRGB PC HEADPHONESIDE USB PC AUDIODDR256 S7LRDIVXMS10DDR13331GHYNIX EAN61828901SFLASH F u l l REAR COMPONENT PHONE JACKS c a r t SCART AUDIO MUTESPEAKER OUT JACK EXTSPEAKERAMPEXTSPK IC1800CI Region CI POWER ENABLE CONTROLOption name of this page CI SLOT because of Hong Kong PCMCITU2602 GP4RGLOBALTUNERBLOCKTU2603 TDSS-G101D