LG Electronics 37LT360C-ZA

Only for training and service purposes

CONTENTS

CONTENTS .............................................................................................. 2

SAFETY PRECAUTIONS ........................................................................ 3

SERVICING PRECAUTIONS ................................................................... 4

SPECIFICATION ...................................................................................... 6

ADJUSTMENT INSTRUCTION ............................................................... 9

TROUBLESHOOTING GUIDE ................................................................ 15

BLOCK DIAGRAM .................................................................................. 20

EXPLODED VIEW .................................................................................. 21

SCHEMATIC CIRCUIT DIAGRAM ..............................................................

Contents

Main Page SAFETY PRECAUTIONS IMPORTANT SAFETY NOTICE General Guidance Before returning the receiver to the customer, Leakage Current Cold Check(Antenna Cold Check) SERVICING PRECAUTIONS Page SPECIFICATION 1. Application range 2. Requirement for Test 3. Test method 4. Model General Specification 5. Video resolutions (2D) 5.1. Component Input (Y, CB/PB, CR/PR) 5.2. RGB Input (PC) 5.3. HDMI Input(PC/DTV) ADJUSTMENT INSTRUCTION 1. Application Range 2. Designation 3. Main PCB check process * Boot file Download 4. Total Assembly line process 4.1. Adjustment Preparation * Auto-control interface and directions * Manual W/B process using adjust Remote control. 4.2. DDC EDID Write (RGB 128Byte ) 4.3 DDC EDID Write (HDMI 256Byte) 4.4. EDID data 4.4.1. Auto Download 4.4.2. Manual Download 4.5. V-COM Adjust(Only LGD(M+S) Module) 4.6. Outgoing condition Configuration 4.7. Hi-pot Test 5. Model name & Serial number D/L 5.1. Signal Table 5.2. Comand Set 5.3. Method & notice * Manual Download(Model Name and Serial Number) 6. CI+ Key Download method 6.1. Download Procedure + Key Value Page Page Page Page Page Page EXPLODED VIEW LGE2112-T8 22 PM MODEL OPTION I2C Internal demod out LGE2112-T8 AR102 AT24C256C-SSHL-T 22 AR101 IC104 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS DVB_S EXTERNAL SPEAKER SCART OUT DTV_IF DSUB +1.5V_DDR 16 +5V_USB +3.3V_Normal FROM LIPS & POWER B/D IR & LED FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 20110324 6 IR/CONTROL-L CONTROL USB_DIODES FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 20110324 GP3_S7LR HDMI 8 HDMI_1 SIDE_HDMI For CEC DDR_256 K4B1G1646G-BCH9 LGE2112-T8 H5TQ1G63DFR-H9C NT5CB64M16DP-CF P4R_GLOBAL_TUNER_BLOCK close to TUNER NTP-7500L IC501 NTP7400 16 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS REAR_JACK 17 Full Scart SIDE COMPONENT PHONE JACK Rear AV RGB (For External power) DC DC CONVERTER +12V_ONLY PSU $0.21 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 12V EXT PowerOut FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 20110324GP3_S7LR LVDS_LARGE 11 Pol-change Change in S7LR LVDS for large inch Pol-change [51Pin LVDS Connector] (For FHD 60Hz) Change in S7LR FOR FHD REVERSE(8bit) SFLASH 13 TPA6011A4PWPRG4 SIDE_JACK IC1800 RJP SPEAKER OUT JACK EXT_SPEAKER_AMP 0.1uF +3.3V_CI PCMCI CI TS INPUT CI POWER ENABLE CONTROL CI DETECT 20