Table of Contents
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No digital audio out
Checking
Check the digital audio
setting
Skip setting check (hardware problem)
No
Proper vcc of DOIC1 (Jack PCB)
Yes
No
Proper signal input to pin 13
of DOIC1
Yes
No
Proper signal output from
pin 6 of DOIC1
Yes
Check optical and coaxial output terminals
and passive components around them
Refer to user manual
Check Vcc Line
Replace Main PCB
Replace DOIC1
No audio in line input mode or
recorded disc playback
Check select signal at
No
pins 44, 46, 56, 58 of IC801
(Jack PCB)
Yes
Check pin62 of IC801,pin18
No
of MCON2,and pin16 of MCON2
on Jack PCB
Yes
Check passive components
around jack-pin and IC801
Check pin63, 64 (input select) of IC801
Check SMPS circuit
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