6-5
Check the digital audio
setting
Proper vcc of DOL3 (jack PCB)
Check optical and coaxial output terminal
and passive components aroud them
Refer to user manual
No
Checking
Check Vcc Line
Proper signal input on DOL4
No
No
Proper signal on DOL1
Replace DOL1
Yes
Yes
Yes
Skip setting check (hardware problem)
No digital audio out
Proper signal on 10 pin of CN3
of Jack PCB
No
Replace digital main PCB
www. xiaoyu163. com
QQ 376315150
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TEL 13942296513
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299