Contents
Main
CONTENTS
SAFETY PRECAUTIONS
General Guidance
1.5 Kohm/10W
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. Component Video Input (Y, CB/PB, CR/PR)
6. RGB Input (PC)
7. HDMI Input (PC/DTV)
(1) DTV Mode
(2) PC Mode
ADJUSTMENT INSTRUCTION
1. Application Range
2. Designation
3. Main PCB check process
* Boot file Download
3.1. ADC Process
3.2. EDID Download
3.3. EDID data
- 10 -
3.4. Function Check
4. Total Assembly line process
4.1. Adjustment Preparation
* Connecting picture of the measuring instrument
* Auto-control interface and directions
* Manual W/B process using adjusts Remote control.
5. GND and HI-POT Test
5.1. GND & HI-POT auto-check preparation
5.2. GND & HI-POT auto-check
5.3. Checkpoint
6. Model name & Serial number D/L
7. CI+ Key Download method
1. Power-up boot check
TROUBLESHOOTING
2. Digital TV Video
3. Analog TV Video
4. AV Video
ok
5. Component Video
6. SCART Video
7. RGB Video
8. HDMI Video
9. All Source Audio
- 20 -
10. Digital TV Audio
11. Analog TV Audio
12. AV Audio
13. Component/ SCART Audio
14. RGB Audio
LGE Internal Use OnlyCopyright 2012 LG Electronics. Inc. All right reserved.
BLOCK DIAGRAM
Rear
AV2
Side
Option
- 23 -
EXPLODED VIEW
AR102 22
AR101
$0.199
22
IC104 AT24C256C-SSHL-T
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
DVB_S
DTV_IF
DSUB
SOC_RESET
+1.5V_DDR
+5V_Normal
+5V_USB
16
+3.3V_Normal
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
IC804-*1
For CEC
IC801-*1
HDMI_2
RGB/SPDIF/PC/HP
New Item Development
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
20110324GP3_S7LR RS232C_9PIN 10
RS232C
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
20110324GP3_S7LR LVDS_LARGE 11
[51Pin LVDS Connector] (For FHD 60/120Hz)
[30Pin LVDS Connector] (For HD 60Hz_Normal)
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
DDR_256 20110511
K4B1G1646G-BCH9
12
H5TQ1G63DFR-H9C
NT5CB64M16DP-CF
SFLASH 20110324
13
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
IF_AGC_MAIN
TUNER MULTI-OPTION
GP4R_GLOBAL_TUNER_BLOCK
close to TUNER
close to IF line
IC501 NTP-7400L
NTP7400 20110324
16
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
PSC008-01
REAR_JACK 20110324
Full Scart/ Comp1
17
Rear AV
COMPONENT2
SIDE_JACK 20110324
18
SIDE CVBS PHONE JACK
SIDE COMPONENT PHONE JACK
(New Item Development)
PCMCI 20110324
CI TS INPUT
CI POWER ENABLE CONTROL
CI DETECT
20
SMD GASKET