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Standard Repair Process Detail Technical Manual
Error Symptom
Content
Established
date
Revised
date
A12
Checking methond when no audio
①
Check Main B/D 13V
②
Check Power B/D 13V
After connect speaker and contact the output terminal of the speaker with GND, if there is sound ouput
noise, we conclude the speaker works well.
1
Power
ON/OFF
2
PDIM #2
3
GND
4
D13.2V
5
D13.2V
6
D13.2V
7
A13.2V
8
A13.2V
9
GND
10
GND
11
MS
12
PDIM #1
①
②
A12
Checking Voltage and speaker
C. Audio error_No audio/Normal video
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