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Contents of LED TV Standard Repair Process Detail Technical Manual
No. Error symptom
1 Video error_No video /Normal
audio
2
3
Video error_Color error
4
5
Video error_Vertical/
6
Horizontal bar, residual
image, light spot
7
<Appendix> Defected Type
8
caused by T-Con/ Inverter/
9
Module
10
11
12
Power error_No power
13
14
Audio error_No audio/Normal
15
video
Audio error_ Wrecked audio/
16
discontinuation
Function error_No response in
17
remote controller, key error
Content
Backlight converter measuring method
Main Board voltage measuring method
LED TV connection diagram
Check Link Cable (LVDS)
reconnection condition
Check test pattern
Check Link Cable (LVDS)
reconnection condition
Exchange T-Con Board (1)
Exchange T-Con Board (2)
Exchange Module itself (1)
Exchange Module itself (2)
Check front display LED
Check power input voltage and ST-BY 5V
Checking method when power is ON
Power board and main board voltage
measuring method
Voltage and speaker checking method
when there is no audio
Voltage and speaker checking method in
case of audio error
Remote controller operation checking
method
18
Page Remarks
A1
A2
A3
A4
A10
A4
A-1/4
A-2/4
A-3/4
A-4/4
A5
A6
A7
A2
A8
A8
A9
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Only for training and service purposes
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