Servicing Precautions | LG Electronics 55LA625C-ZA guide

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LG Electronics 55LA625C-ZA service manual Servicing Precautions, Electrostatically Sensitive ES Devices

Contents

SERVICE MANUAL READ THE SAFETY PRECAUTIONS IN THIS MANUALLED TV MODEL 55LA625C 55LA625C-ZA Only for training and service purposes CopyrightLG Electronics. Inc. All rights reserved LGE Internal Use Only SAFETY PRECAUTIONS General GuidanceBefore returning the receiver to the customer Leakage Current Cold CheckAntenna Cold Check SERVICING PRECAUTIONS Electrostatically Sensitive ES Devices IC Remove/Replacement ReplacementSmall-Signal Discrete Transistor Removal/Replacement Removal SPECIFICATION 4. Model General Specification1. Application range 3. Test method Symbolrate 4.0Msymbols/s to 7.2Msymbols/s DVB-TGuard IntervalBitrateMbit/s 1/4, 1/8, 1/16, 1/32 5. Video resolutions 2D 5.1. Component Input Y, CB/PB, CR/PR5.2. RGB Input PC - HD Model 5.3. RGB Input PC - FHD Model 5.3. HDMI InputPC/DTV PCDVI ADJUSTMENT INSTRUCTION 1. Application Range2. Designation 3. Main PCB check process After downloading, have to adjust Tool Option again 3.1. ADC Process3.2. EDID Download 3.3. EDID data 4.1. White Balance adjustment 4. Total Assembly line process3.4 Function Check 5. GND and HI-POT Test 6. Model name & Serial number D/L6.1. Signal Table 4.5. Outgoing condition Configuration 7. CI+ key download 6.3. Method & notice7.1. Communication Prot connection 7.2. CI+ Key Download 8.1. External speaker8OHM, 1W, Single-End 8. Check Commercial Features8.2. IR OUT 1. Check the booting Voltage TROUBLE SHOOTING GUIDE2. Digital TV Video 3. Analog TV Video 4. AV Video 5. RGB Video 6. HDMI Video 7. Audio of All iput 8. TV Audio 9. AV Audio 10. RGB Audio S7LR2 LGE211A-T8 BLOCK DIAGRAMTuner DVB- T/C EXPLODED VIEW 2012 . 11 2013 S7LR2Copyright 2013 LG Electronics. Inc. All rights reserved SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF ISVDDC Normal FROM LIPS & POWER B/D PowerDET+1.5VDDR +3.3VNormal780 mA IC501 NTP-7500L THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATIONTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC CONTROL IR & LED LVDS 51Pin LVDS Connector For FHD 60Hz30Pin LVDS Connector FOR FHD REVERSE10bit Change in S7LR HDMI EEPROM HDMI1HDMI2 For CEC RS232C RS - 232C HEADPHONE RGB PCSIDE USB PC AUDIO S7LRDIVXMS10 DDR256DDR13331GHYNIX EAN61828901 SFLASH REAR COMPONENT PHONE JACK F u l lS c a r t SCART AUDIO MUTE EXTSPEAKERAMP SPEAKER OUT JACKEXTSPK IC1800 CI POWER ENABLE CONTROL CI RegionOption name of this page CI SLOT because of Hong Kong PCMCI GP4RGLOBALTUNERBLOCK TU2602TU2603 TDSS-G101D

LG Electronics 55LA625C-ZA Servicing Precautions, Electrostatically Sensitive ES Devices

Models: 55LA625C-ZA