GM-5400T/XJ/UC
10
1234
1234
C
D
F
A
B
E
3. BASIC ITEMS FOR SERVICE
3.1 CHECK POINTS AFTER SERVICING
4. BLOCK DIAGRAM
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5. DIAGNOSIS
5.1 CONNECTOR FUNCTION DESCRIPTION
6. SERVICE MODE
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To keep the product quality after servicing, please confirm following check points.
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1 Confirm whether the customer complain has
been solved.
The customer complain must not be
reappeared.
Audio and operations must be normal.
2 Check the output sound. Audio and operations must be normal.
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receiving it for service.
See the table below for the items to be checked regarding video and audio:
Item to be checked regarding audio
Distortion
Noise
Volume too low
Volume too high
Volume fluctuating
Sound interrupted