Denon DVM725 Service Manual page 20

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FLOW CHART NO.23
Rotary tray does not function.
Is the normal control voltage inputted to pins
(39, 40, 41) of IC3001? For each terminal voltage,
refer to FLOW CHART No.13 <The key operation
is not functioning.>
Is the voltage of 3.3V supplied to pin(1) of IC3001?
Is the normal control voltage outputted to pins
(24, 25) of IC3001?
Is the normal control voltage outputted to pins(2,4)
of IC3003?
Replace Rotary Motor.
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Yes
Yes
Yes
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2 9
8
No
Check the switches (SW2206 - 2208, 2210 - 2212)
and their periphery, and service it if defective.
No
Check CHG 3.3V line and service it if detective.
No
Replace IC3001.
No
Is the voltage of 9V supplied to pin(6) of IC3003?
Yes
Replace IC3003.
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DVM725
9 4 2 8
No
Check EV+9V line and
service it if detective.
0 5 8 2 9 9 4 2 8
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9 9
9 9