LG Electronics 42LT760H-ZA SMD GASKET

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.

MDS62110209

M7-*5

GASKET_8.5T

MDS62110209

M3-*5

GASKET_8.5T

MDS62110209

M5-*5

GASKET_8.5T

MDS62110204

M11-*2

GASKET_5.5T

MDS62110204

M6-*2

GASKET_5.5T

MDS62110204

M3-*2

GASKET_5.5T

MDS62110209

M12-*5

GASKET_8.5T

MDS62110209

M10-*5

GASKET_8.5T

MDS62110204

M12-*2

GASKET_5.5T

MDS62110204

M8-*2

GASKET_5.5T

MDS62110204

M1-*2

GASKET_5.5T

MDS62110204

M4-*2

GASKET_5.5T

MDS62110204

M9-*2

GASKET_5.5T

MDS62110209

M6-*5

GASKET_8.5T

MDS62110209

M9-*5

GASKET_8.5T

MDS62110204

M7-*2

GASKET_5.5T

MDS62110209

M2-*5

GASKET_8.5T

MDS62110204

M2-*2

GASKET_5.5T

MDS62110209

M11-*5

GASKET_8.5T

MDS62110204

M10-*2

GASKET_5.5T

MDS62110204

M5-*2

GASKET_5.5T

MDS62110209

M8-*5

GASKET_8.5T

MDS62110209

M4-*5

GASKET_8.5T

MDS62110209

M1-*5

GASKET_8.5T

MDS62110205

M1-*4

GASKET_7.5T

MDS62110206

M1-*3

GASKET_6.5T MDS62110208

M1

GASKET_4.5T

MDS62110210

M1-*1

GASKET_5.0T

MDS62110208

M2

GASKET_4.5T

MDS62110208

M3

GASKET_4.5T

MDS62110208

M5

GASKET_4.5T

MDS62110208

M6

GASKET_4.5T

MDS62110208

M4

GASKET_4.5T

MDS62110208

M11

GASKET_4.5T

MDS62110208

M10

GASKET_4.5T

MDS62110208

M12

GASKET_4.5T

MDS62110208

M8

GASKET_4.5T

MDS62110208

M9

GASKET_4.5T

MDS62110208

M7

GASKET_4.5T

MDS62110210

M2-*1

GASKET_5.0T

MDS62110210

M4-*1

GASKET_5.0T

MDS62110210

M3-*1

GASKET_5.0T

MDS62110210

M7-*1

GASKET_5.0T

MDS62110210

M6-*1

GASKET_5.0T

MDS62110210

M5-*1

GASKET_5.0T

MDS62110210

M8-*1

GASKET_5.0T

MDS62110210

M11-*1

GASKET_5.0T

MDS62110210

M10-*1

GASKET_5.0T

MDS62110210

M9-*1

GASKET_5.0T

MDS62110210

M12-*1

GASKET_5.0T

MDS62110206

M2-*3

GASKET_6.5T

MDS62110206

M4-*3

GASKET_6.5T

MDS62110206

M3-*3

GASKET_6.5T

MDS62110206

M8-*3

GASKET_6.5T

MDS62110206

M7-*3

GASKET_6.5T

MDS62110206

M6-*3

GASKET_6.5T

MDS62110206

M5-*3

GASKET_6.5T

MDS62110206

M12-*3

GASKET_6.5T

MDS62110206

M11-*3

GASKET_6.5T

MDS62110206

M10-*3

GASKET_6.5T

MDS62110206

M9-*3

GASKET_6.5T

MDS62110205

M2-*4

GASKET_7.5T

MDS62110205

M3-*4

GASKET_7.5T

MDS62110205

M4-*4

GASKET_7.5T

MDS62110205

M7-*4

GASKET_7.5T

MDS62110205

M5-*4

GASKET_7.5T

MDS62110205

M8-*4

GASKET_7.5T

MDS62110205

M6-*4

GASKET_7.5T

MDS62110205

M11-*4

GASKET_7.5T

MDS62110205

M9-*4

GASKET_7.5T

MDS62110205

M12-*4

GASKET_7.5T

MDS62110205

M10-*4

GASKET_7.5T

MDS61887710

M1-*6

GASKET_9.5T

MDS61887710

M2-*6

GASKET_9.5T

MDS61887710

M3-*6

GASKET_9.5T

MDS61887710

M4-*6

GASKET_9.5T

MDS61887710

M5-*6

GASKET_9.5T

MDS61887710

M6-*6

GASKET_9.5T

MDS61887710

M7-*6

GASKET_9.5T

MDS61887710

M8-*6

GASKET_9.5T

MDS61887710

M9-*6

GASKET_9.5T

MDS61887710

M10-*6

GASKET_9.5T

MDS61887710

M11-*6

GASKET_9.5T

MDS61887710

M12-*6

GASKET_9.5T

MDS62110208

M14

GASKET_4.5T

MDS62110208

M13

GASKET_4.5T

MDS62110210

M14-*1

GASKET_5.0T

MDS62110210

M13-*1

GASKET_5.0T

MDS62110204

M13-*2

GASKET_5.5T

MDS62110204

M14-*2

GASKET_5.5T

MDS62110206

M13-*3

GASKET_6.5T

MDS62110206

M14-*3

GASKET_6.5T

MDS62110205

M14-*4

GASKET_7.5T

MDS62110205

M13-*4

GASKET_7.5T

MDS62110209

M14-*5

GASKET_8.5T

MDS62110209

M13-*5

GASKET_8.5T

MDS61887710

M14-*6

GASKET_9.5T

MDS61887710

M13-*6

GASKET_9.5T

SMD GASKET 5.5T

SMD GASKET 8.5T

SMD GASKET 6.5T

SMD GASKET 7.5T

SMD GASKET 4.5T

SMD GASKET 5.0T

SMD GASKET

SMD GASKET 9.5T

2011.02.09xxLT760H-UA

88SMD GASKET

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

Only for training and service purposes

LGE Internal Use Only

Contents

Main CONTENTS 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. RGB input (PC) 6. HDMI Input 6.1. DTV mode 6.2. PC mode ADJUSTMENT INSTRUCTION 1. Application Range 2. Designation 3. MAIN PCBA Adjustments 3.1. ADC Calibration 3.3. LAN Inspection 3.3.1. Equipment & Condition SET PC 3.3.2. LAN inspection solution 3.4. LAN PORT INSPECTION(PING TEST) 4. Manual Adjustment 4.1. EDID(The Extended Display Identification Data)/DDC(Display Data Channel) download 4.1.1. Overview 4.1.2. Equipment 4.1.3. Download method 4.2. White Balance Adjustment 4.2.1. Overview 4.2.2. Equipment 4.2.3. Equipment connection MAP 4.2.4. Adj. Command (Protocol) 4.3. Tool Option selection 4.4. Wi-Fi Test 4.5. HDMI ARC Function Inspection 4.5.1. Test equipment 4.5.2. Test method 5. Check Commercial features 5.1. External SPK Out 5.1.1. Equipment & Condition 5.1.2. Check the speaker out 5.2. IR Out and DC Power Outlet (12V) 6. AUDIO output check 6.1. Audio input condition 6.2. Specification 7. GND and HI-POT Test 7.1. GND & HI-POT auto-check preparation 8. USB S/W Download(Service only) 9. Optional adjustments 9.1. Manual ADC Calibration 9.1.1. Equipment & Condition 9.1.2 Adjust method TROUBLESHOOTING GUIDE 1. Power-Up Boot Fail Trouble Shooting guide 2. No OSD Trouble Shooting guide 3. Analog RF Video Trouble Shooting guide 4. Digital RF Trouble Shooting guide 5. AV Video Trouble Shooting guide 6. HDMI Video Trouble Shooting guide 7. RGB-PC Video Trouble Shooting guide 8. Analog RF Audio Trouble Shooting guide 9. AV / RGB-PC Audio in Trouble Shooting guide 10. HDMI Audio in Trouble Shooting guide BLOCK DIAGRAM DVB T/C R L Side LGE2112 (EU Commercial) S/W HDMI Rear EXPLODED VIEW IC104 M24M01-HRMN6TP 8 MID_MAIN_1 NVRAM Model Option HDCP EEPROM Crystal Matching Test result : 27pF -> 20pF -> 24pF EAX6430790* : LD22* / LC22* EAX6443420* : LT22* / LJ22* / LA22* / LB22* FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 2011.09.29 PLACE AT JACK SIDE C333 / C334 / C335 MTK Recommend : 10 pF CH5 CH4 CH2 10 MID_MAIN_3 DECAP FOR SOC (HIDDEN - UCC) PLACE AT MAIN SOC SIDE 2011.11.21 11 MID_MAIN_SCART PLACE AT JACK SIDE PLACE AT IC8602 IC703 IC701 IC704 IC702 DDR ONE SIDE 12 13 2011.09.26 MID_MAIN_CI CI TS INPUT Close to MT5369 Close to MT5369 CI TS OUTPUT On-semi TYP 1450mA +3.3V_NORMAL DDR MAIN 1.5V #16/#20/#23 LD - GND OR USE LE(N.L.D.) - OPEN LE(L.D.) - USE HPD SWITCH NEC_HPD FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS RGB PC 2011.09.29 SPDIF OUT 36 PC AUDIO RS232C HInteractive L Debug MTK CONNECTION IR & KEY Zener Diode is close to wafer 2011.09.26 IR / KEY 41 USB_WIFI DVR Ready MAX 1.8A MAX 0.4A DVR Ready Full Scart [SCART AUDIO MUTE] AR4800 100 1/16W M_REMOTE 2011.06.04 ZigBee_Radio Pulse M_REMOTE OPTION ALL M_REMOTE OPTION 48 MOTION REMOTE xxLT760H-ZA FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS IC5400 NTP-7500L 0x54 CI POWER ENABLE CONTROL CI SLOT 2011.10.31 62 Option FOR MTK Option FOR LG1152 +3.3V_NORMAL 65 IF_AGC close to Tuner H/NIM for Commercial (EU) Max 240mA [51Pin LVDS OUTPUT Connector] LVDS 2011.08.11 LVDS_HIGH_MID 71 [30Pin LVDS OUTPUT Connector] LOCAL DIMMING [To LED DRIVER] FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS IC8100-*1 H26M21001ECR SAMSUNG_EMMC_2GB eMMC I/F Dont Connect Power At VDDI (Just Interal LDO Capacitor) FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ETNHUB_DVDD18 To PHY 84Ethernet Hub CONFIG FOR MAC4 EXT_SPK AMP EXT_SPK OUT EXT_SPK OP AMP FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS MICOM MODEL OPTION REAL TIME CLOCK(RTC) SMD GASKET 7.5T SMD GASKET 5.0T SMD GASKET 5.5T SMD GASKET 6.5T SMD GASKET SMD GASKET 9.5T 2011.02.09xxLT760H-UA 88SMD GASKET FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS EMI BETTER Ethernet Block Ethernet PHY TO Ethernet HuB TO SOC/ MCU TO MCU EXTERNAL_POWER OUT 5V/12V $0.21 Vout=(1+R1/R2)*0.765=5.03V FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 27MHz(200ppm) Pro:Idiom (XMARK)