Marantz PM6005 Service Manual

3. STANDBY LED ashes while using unit.
(protection circuit is set)
4. The power turned on, but a sound does not output normally.
(Both channels)
4.1 STANDBY LED does not ash (protection mode is not set)
4.2 When the volume is turned up, Mute LED ashes. (protection mode is set)
Repeats ON/OFF for 0.5 second each, and automatically returns to normal operation.
Check input level and each
connector
Check each connector
Check each connector Broken wire in POWER TRANS T0001.
Damaged power amplier circuit
Damaged Selector (U3501)
Mute Circuit (Q6001-6002,L7501-7502).
Malfunction of C7501-7504
Damaged Mute circuit, U1001.
Refer to (
z
1) in "The power can not be turned on.
(STANDBY LED lights→ash)"
Check SPEAKER connection
and SPEAKER short, SPEAKER
resistance value.
Check whether power is
being supplied to the coil of
the POWER TRANS T0001
Power not supplied.
Power supplied.
Power supplied.
When you turn up the volume again after the unit
automatically returns to normal operation and if the
protection circuit is activated, STANDBY LED will
repeat ON/OFF for 0.25 seconds each.
25

Marantz PM6005 Specifications

General

Amplifier class	-
Frequency range	10 - 70000 Hz
Input sensitivity	200 mV
Audio output channels	2.0 channels
Peak power per channel	60 W
Signal-to-Noise Ratio (SNR)	102 dB
Total Harmonic Distortion (THD)	0.08 %
RMS power output per channel (8 Ohm)	45 W
AC (power) in	Yes
Audio (L/R) in	5
Audio (L/R) out	1
Speakers connectivity type	RCA
Purpose	Home
Product color	Black
Connectivity technology	Wired
AC input voltage	120 V
AC input frequency	60 Hz
Power consumption (standby)	0.3 W
Power consumption (typical)	155 W

Weight and Dimensions

Depth	370 mm
Width	440 mm
Height	105 mm
Weight	7600 g