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READ THE SAFETY PRECAUTIONS IN THIS MANUAL
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SPECIFICATION
CONTENTS
SAFETY PRECAUTIONS
SERVICING PRECAUTIONS
IMPORTANT SAFETY NOTICE
SAFETY PRECAUTIONS
Electrostatically Sensitive ES Devices
SERVICING PRECAUTIONS
Removal
IC Remove/Replacement
Replacement
Small-Signal Discrete Transistor Removal/Replacement
3. Test method
SPECIFICATION
4. Model General Specification
1. Application range
HDMI1-DTV/DVI
RGB Input
RGB-PC
AnalogD-SUB 15PIN
5.1. Component Input Y, CB/PB, CR/PR
5. Video resolutions 2D
5.2. RGB Input PC
PCDVI
5.3. HDMI InputPC/DTV
1. Application Range
ADJUSTMENT INSTRUCTION
Boot file Download
After downloading, have to adjust Tool Option again
3.2. Function Check
4. Total Assembly line process
4.1. Adjustment Preparation
3.1. ADC Process
Manual W/B process using adjust Remote control
4.4. EDID data
4.2. DDC EDID Write RGB 128Byte
4.3 DDC EDID Write HDMI 256Byte
4.6.2. HI-POT auto-check
4.5. Outgoing condition Configuration
4.6. HI-POT Test
4.6.1. HI-POT auto-check preparation
5.3. Method & notice
5.1. Signal Table
5. Model name & Serial number D/L
5.2. Comand Set
6. CI+ Key Download method
6.1. Download Procedure
CI+ Key Value
Half
BLOCK DIAGRAM
S7LR
All rights reserved
EXPLODED VIEW
Copyright 2012 LG Electronics. Inc. All rights reserved
EMEA INTERACTIVE
GP4MSTAR
2011 . 08
OLED
THERMAL
Step Up regulator 3 . 3V to 5VMAX 250mA
+3.3VNormal
FROM LIPS & POWER B/D
PowerDET
+1.5VDDR
NTP-7500L
IC501
CONTROL IR & LED
MIRROR Pol - change
51Pin LVDS Connector
30Pin LVDS Connector For HD 60HzNormal
For FHD 60/120Hz
SIDEHDMI
HDMI1
For CEC
HDMI2
0 . 3 3 u F
USBDIODES
RGB/SPDIF/PC/HP/USB
S7LRDIVXMS10
W25Q80BVSSIG
IC1300
MX25L8006EM2I-12G
IC1300-*1
SI2176ATSC1INPUTH
P4RGLOBALTUNERBLOCK
SI2156DVB1INPUTH
LGDT1001
IC1501
PILG1001 A2
Full Scart/ Comp1
EXTSPK OUT
UART/I2C SWITCH
EXTSPK AMP
EXTSPKCONTROL/DEBUG
REAL TIME CLOCKRTC
EXTERNALPOWER OUT 5V/12V
Option name of this page CI SLOT because of Hong Kong
CI Region
SMD GASKET
Page
1. Trouble Shooting
Contents of LCD TV Standard Repair Process
A2 Check Power Board 24V,12V,3.5V output
A. Video error
Main B/D↔ Power B/D, LVDS Cable,Speaker Cable,IR B/D Cable
LCD TV
Board
voltages of Power
Check various
No Video
Signal strength Normal over 30% Signal Quality Normal over 30%
A. Picture Problem
By using Digital signal level meter
By using Diagnostics menu on OSD Menu→Setup→Manual Tuning
Link Cable
Check color by input -External Input COMPONENT -RGB
※ Check
and replace
Check color condition by input -External Input -Component RGB
Connect other external device and cable
External device screen error-Color error
Vertical/Horizontal bar, residual image, light spot
Check Power On ‘”High”
B. Power error
Stand-By Red Operating white
Check Power LED
POWEROFFCPUABNORMAL
Check Power Off Starusinstart menu
If Power Off mode is not displayed Check Power B/D voltage
POWEROFFABNORMAL1
Check audio B+
C. Audio error
Power Board
Check user menu Speaker off
Check audio B+ Voltage 20V or
In case of External Input signal error Check and fix external device
Output signal
D. General Function Problem
1. Remote controlR/C operating error
Check & Repair Cable connection Connector solder
S/W Version
D. Function error
Check input signal
Y Check technical Signal information input? - Fix information
Identify nose type
E. Noise
F. Exterior defect
Standard Repair Process Detail Technical Manual
A. Video errorVideo error, video lag/stop
MENU -Æ red keycustomer support -Æ signal test -Æ select channel
When the signal is strong, use the attenuator -10dB, -15dB, -20dB etc
Version
1. Checking method for remote controller for adjustment
Press the IN-START with the remote controller for adjustment
ALL MODELS
You can view 6 types of patterns using the ADJ Key
A. Video errorColor error
Appendix Exchange T-Con Board
Appendix Exchange T-Con Board
No picture/Sound Ok A - 3/5
Appendix Exchange PSULED driver
No Light
Dim Light
Press damage
Appendix Exchange the Module
Un-repairable Cases In this case please exchange the module
Panel Mura, Light leakage
Un-repairable Cases In this case please exchange the module
Entry method
1. Press the IN-START button of the remote controller for adjustment
2. Check the entry into adjustment item
B. Power error Off when on, off whiling viewing
2. Select the AUDIO function of the Menu
C. Audio errorNo audio/Normal video
1. Press the MENU button on the remote controller
Checking method