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Samsung DSR9500VIACI User Manual

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Page of 41
Troubleshooting
Samsung Electronics
4-9
NO AUDIO OUT
Q808, Q809 Base signal?
Check CS4330.
Check Q702, Q704.
Check Q701, Q703.
Q702, Q704 Base is High?
Q701, Q703 Emitter signal?
Check U701.
U701 (2, 6) signal?
Check Q808, Q809.
Yes
No
No
U801 (4, 15, 2, 5) signal?
No
No
No
Check U100.
Yes
Check CP807, CP808.
Yes
Yes
Yes