3-18
C.
E
Normal
Audio output
when disc playback?
Normal
IR. VFD & Front
pannel key
functions?
TEST END
Audio
DAC received
correct data stream?
Normal
Audio DAC
out? (IC702)
Check Audio filter, amplify,
mute circuit.
Check the cable connection
on Front pannel.
Check connection between MT1389
& Audio DAC. (Check VRST#, ACLK,
ABCK, ASDAT3)
Check the related circuit of
Audio DAC. (Check Audio
out Pin 14, 15,18,19)
Check communi cation lines
on MT1389.
Communications
between IR.VFD Front pannel key
& MT1389 & Front u-com(IC901)
is normally?
All manuals and user guides at all-guides.com
