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Marantz MM8003 Service Manual

Marantz MM8003
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7
Error Detection
エラー検出
Reason
理由
Check points
チェックポイント
STANDBY LED
FLICKERING
125msec intervals.
NO
TE : HOW TO
RECOVER FR
OM
THIS SYSTEM
ERROR
This SYSTEM
ERROR
cannot be rectified
by user
s. In order
to power on the
product,
please do
the follo
wing:
Press Service key
(SW42) on the CPU
PWB.
However, if
any pr
oblem remains
with the product, the
SYSTEM ERR
OR will
occur again.
STANDBY LED
125msec間隔で早く点
滅する。
復帰操作:
このSystem Error
は、Userによる復帰が
不可能です。製品の電
源をONするには、以
下の操作を行ってくだ
さい。
CPU PWB上のService
Key (SW42)
を押して
ください。ただし、製
品に右記のいずれかの
異常がある場合は、再
System Errorになり
ます。
1. Detection of Over current over
200msec on Power AMP
P
ower Amp
200msec以上の過電流
検出 
(_P CUR FAIL)
CPU (IC40) 38pin _P CUR FAIL :
0V : Fail
0V :
異常
5V : Normality
5V :
正常
There is a possibility that Power AMP is
broken.
Po
wer AMP
が故障している可能性があり
ます。
Connection
接続
AMP PWB : CN72 - 1pin.
FAN & PROTECTION PWB :
BN10 - 1pin, BN20 - 1pin, CN25
- 3pin.
POWER & SPK PWB :
BN20 -
3pin, CN70 - 9pin.
CPU PWB : CN41 - 9pin.
PO
WER
AMP
Check P
ower AMP circuit (AMP
PWB)
Po
wer Amp
回路(AMP PWB)を
チェックしてください。
2. Detection of an abnormality on ±
38 V,
± 15 V supply or Power Amp
power supply
± 38V, ± 15V Supply又は、Power
Amp
用電源の異常検出
(_P LINE FAIL)
CPU (IC40) 45pin
_P LINE FAIL :
0V :
Fail
0V :
異常
5V : Normality
5V :
正常
There is a possibility that ± 38 V
supply or P-AMP power supply is
broken.
± 38V SupplyまたはPower AMP用電源が
故障している可能性があります。
Connection
接続
POWER & SPK PWB : CN70 -
10pin
CPU PWB : CN41 - 10pin
POW
ER
AMP
Po
wer
Supply
POWER & SPK PWB :
C130,
C131, D118, C134, C135, F102,
F103, IC12, IC13,R135, R136.
Error Detection (2)
エラー検出 (2)

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Marantz MM8003 Specifications

General IconGeneral
Damping factor100
Amplifier class-
Frequency range8 - 100000 Hz
Input sensitivity2400 mV
Audio output channels7.1 channels
Peak power per channel170 W
Signal-to-Noise Ratio (SNR)105 dB
Total Harmonic Distortion (THD)0.03 %
RMS power output per channel (8 Ohm)140 W
AC (power) inYes
Speakon ports quantity8
PurposeHome
Product colorBlack
Cables includedAC
Connectivity technologyWired
Power consumption (standby)0.4 W
Power consumption (typical)880 W
Weight and Dimensions IconWeight and Dimensions
Depth384 mm
Width440 mm
Height184.5 mm
Weight17900 g

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