Trouble Shooting Chart
No Digital Out on Coaxial
Solution: Change the set up
Solution: Replace R119
Solution: Check the 5V supply
Solution: Replace the connector
assembly
GO
YES
NO
NO
YES
YES
No Digital output from
coaxial terminal
Check point: the user’s set up manual
Observe: check the audio set-up is in
digital output mode
Check point: pin 10 of CN503 on
power board
Observe: the +5V is presented
Check point: R119 at pin 162 of M3351
Observe: check is the R119 opened
Check point: J4 at main board
and CX503 on power board
Observe: check is any poor
contact between J4 and
Cn5103
YES
NO
4-6