JVC XV-N350B Service Manual page 20

ELECTRICAL TROUBLESHOOTING GUIDE
E
Normal
Audio output when disc
playback?
YES
Normal
IR.VFD & Front
pannel key
functions?
YES
TEST END
Audio
NO
DAC received correct
data stream?
Normal Audio
DAC out?
Check Audio filter,
amplify, mute circuit.
Commu-
nications between
NO
IR.VFD Front pannel
key & ZR966 is
normally?
Check the cable connection
on Front pannel.
3-9
NO
YES
NO
YES
NO
YES
Check connection between
ZR966 & Audio DAC.
Check the related
circuit of Audio DAC.
Check communication
lines on ZR966.