Trouble Shooting; The Power Can Not Be Turned On - Marantz PM6005 Service Manual

TROUBLE SHOOTING

1. The power can not be turned on.

(STANDBY LED does not light (STANDBY MODE))
Check insertion of the
CUP12579Z-1 STANDBY
PWB UNIT.
Check insertion of the
CUP12580Z FRONT PWB
UNIT.
Check whether power is
being supplied to the coil of
the SUB TRANS T8501.
2. The power can not be turned on.
(STANDBY LED lights→flash)
Check each connector.
Check whether power is
being supplied to the F8510.
Check whether power is
being supplied to the coil of
the POWER TRANS T0001
Check whether power
is being supplied to
the D8001,D8101-
8104,D8201-8202.
Power not supplied.
Broken wire in SUB TRANS
T8501.
Check whether power
is being supplied to the
Power supplied.
D8501-8506.
Power not supplied.
Broken wire in STANDBY
F8510.
Power not supplied.
Broken wire in POWER
TRANS T0001.
Power not supplied.
Broken D8001,D8101-
8104,D8201-8202.
Power supplied.
STANDBY LED repeats ON/
OFF for 0.5 seconds each.
( z 1)
Check input level,
SPEAKER connection and
SPEAKER resistance value.
Power not supplied.
Power supplied.
24
Malfunction of D8501-8506
Malfunction of
U8501,U1001.
Damaged DC OFFSET DETECT.
Damaged OVER HEAT DETECT.
Damaged OVER CURRENT
DETECT.
Damaged P_DWN detection
circuit and U1001.
Damaged power amplifier circuit
Damaged power circuit.