6-9
Component output error
Check VC9, V10, V11
No
Check VCC of IC101 and peripheral
parts of Clock oscillation
(IC105 Pin # 1, 2, 14)
No
Yes
Yes
Check VIC 1
(Pin # 11, 14, 16, 21, 23, 25)
Check VCC and peripheral parts of
VIC 1
Check peripheral parts of JACK1
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TEL 13942296513 QQ 376315150 892498299