Standard Repair Process Detail Technical Manual
D. Function error
A22
Established
date
Revised
Error
symptom
Content
LCD TV
2013.01.31
P4002
1
KEY2
Remote controller operation checking method
A22
date
Content
③
1
KEY2
2
+3.5V_ST
3
GND
4
LOGO Light Wafer
5
IR
5
IR
6
GND
7
EYE SCL
8
EYE SDA
①
②
Checking order
g
1, 2. Check Touch cable condition between Touch & Main board.
3. Check the st-by 3.5V on the terminal 4,7.
4. When checking the Pre-Amp when the power is in ON condition, it is normal when the
Analog Tester needle moves slowly and defective when it does not move at all
Analog Tester needle moves slowly, and defective when it does not move at all.
A22
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Summary of Contents for 55EA8800
Page 51: ......
Page 56: ...H13 Block diagram ...
Page 62: ...Interconnection 1 55EA9800 PCBs 1 Main PCB 2 PSU 1 2 3 WIFI ASSY ...
Page 90: ...Appendix Exchange the Module 1 수직 비내림 Line Dim Brightness difference ...
Page 91: ...Appendix Exchange the Module 2 Angle view Color difference Brightness dot noise Half dead ...