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EN 22
5.
DVD733 /xx1
5.3.5
No Digital Audio Out
No Digital audio out
from coaxial
Put the Mains switch to ON and play a
DVD disc.
Ensure that SPDIF set-up in the Setup
Menu is set to PCM.
Check
waveform at
Pin 41 / 7101
Mpeg Board
YES
Check
waveform at
output of buffer
IC 7202
YES
•
Check continuity from output of IC
7202 to pin 3 of con 1203A
•
Check /Replace R3253,R3254 and
C2242
Diagnostic Software, Trouble Shooting and Test Instructions
•
Check / Replace Decoder IC 7101
NO
•
Check +5VAV supply to buffer IC
7202
NO
•
Check / Replace buffer IC 7202
Figure 5-5 No Digital audio out
SPDIF
PM3380B
ch1
1
CL 26532068_022.eps
030702
2.00 V / DC
0.0 ns / div
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