Daewoo Rautz NC-8008EB Service Manual page 10

Trouble Shooting Guide
1
3-2. Audio(USB) Abnormal
2
Audio Abnormal of Digital(USB) Input Function
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6
7
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9
10
3-3. Audio(BLUETOOTH) Abnormal
Audio Abnormal of Digital(Bluetooth) Input Function
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13
14
15
Start
Data of
No
CW506 is OK?
Yes
No
USB Input of
IC501 is OK?
Check IC501 USB Data Input
Yes
Check Pin 120(D+)/131(D-) of IC501
1
Start
No
Bluetooth Input of
IC501 is OK?
Check IC501 Bluetooth Data Input
Yes
Check Pin 75~78/117 of IC501
2
Check USB PCB
Replace J703
ReplaceIC501
ReplaceIC511
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