C.
E
NormalAudio
Audio outputDAC receivedCheck connection between MT1389
when disc playback?correct data stream?& Audio DAC. (Check VRST#, ACLK,
ABCK, ASDAT3)
NormalCheck the related circuit of
Audio DACAudio DAC. (Check Audio
out? (IC702)out Pin 14, 15,18,19)
Check Audio filter, amplify,
mute circuit.
NormalCommunications
IR. VFD & Frontbetween IR.VFD Front pannel keyCheck communi cation lines
pannel key& MT1389 & Front u-com(IC901)on MT1389.
functions?is normally?
Check the cable connection
TEST END
on Front pannel.
3-18 |
ACEC
