Denon PMA-2500NE - Power Indicator LED Flashing

Check insertion of each connector.
Check that voltage is supplied to [F8510]
Check that voltage is supplied to the MAIN TRANS coil
Check that the voltage of PROT2 is
active. [N106 : 15pin]
Check that the voltage of M_B_
DOWN is active. [Q104 : Collector]
Check that the voltage of VOLTAGE_
PROT is active. [Q120 : Collector]
Check that voltage is supplied to [Z8006 :
(+B) and Z8008 : (-B)]
Blown MAIN TRANS
Blown fuse
Malfunction of D8001.
Malfunction of [8201/8202].
Malfunction of D1201/1202.
Malfunction of
[D8509/8510/8523/8522].
Malfunction of [D8511/8512].
Malfunction of [U8503].
Malfunction of [U8502 / D8513-8520].
Malfunction of [Q101/104].
Check that voltage is supplied to
[U102 : 48pin] (ANA_MODE)
Blown [T8601]
Malfunction of [D8602-8605].
Check that voltage is supplied to [R8201 :
(+29V) and R8202 : (-29V)]
Check that voltage is supplied to the
[D1201 : cathode] (C1201)
Check that voltage is supplied to the
[D8509 : cathode] (C8516)
Check that voltage is supplied to [C8519]
Check that voltage is supplied to [N8509 :
1pin] (U8503 output)
Check that voltage is supplied to [N8509 :
4pin] (U8502 output)
Check that voltage is supplied to the
[Q104 : collector]
Check that the [S8601] relay is operating
Check that voltage is supplied to the
[T8601] coil
Check that voltage is supplied to the
[D8602 : cathode] (U8601 input) and
[D8504 : anode] (U8602 input)
2. The power cannot be turned on (Power indicator LED lights ashes)
NG
NG
NG
NG
NG
NG
NG
NG
NG
NG
NG
NG
YES
Hi
Hi
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NG
Hi YES
Active
Active
Active
Hi → Lo
Hi → Lo
Hi → Lo
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