Zenith ABV341 Series Service Manual page 78

E
Normal
Audio output
when disc playback?
TEST END
Audio
DAC received
correct data stream?
Normal
Audio DAC
out? (IC401)
Check Audio filter, amplify, mute
circuit. (IC402 Application circuit)?
3-100
Check connection between MT1379
& Audio DAC. (Check VRST#, ACLK,
ABCK, ASDAT3)
Check the related circuit of
Audio DAC. (Check Audio
out Pin 14, 15,18,19)