0
t
t
t
D
M-500
SERVICE
?.
CONTENTS
B LOCK
SPECIF
ALIGNMENT
ALIGNMENT
PCB
PCB
SCHEMATIC DIAGRAM
PARTS
DIAG
ICATIONS
P$376
MA-375
FOI
FOIL
LIST
RAM
PROCEDU
POINTS
L
SIDE V IEW
SIDE
Power
MANUAL
RES
VIEW
Amplifier
Page
2
2
3
3
4
5-6
7-8
9- 10
BLOCK
DIAGRAil,I
POWER
BTL
SUPPLY
|
_-_
CIRCUIT
CONTROL
--_J
OUTPUT
AMPLIFICATION
UNIT
OUTPUT
SPECIFICATIONS
osensitivity..
Input:1000H2
Output:200W
oOutput
Input
Output:0.05%
2OHz-2OO00Hz
olM
Input
Output:200W
oFrequencyresponse...
lnput
Output
oSignal
(lnput
oResidual
oDamping
Input
Output:20W
power
:Main in
THD
continuous
Distortion
factor.
:Aux 60Hz:7OOOHzl
:Main in
000H2
ratio
Main in
factor.
150H2
20Wt0.5dB
(IHF-A)
:
1
to noise
short)
noise(lHF-A)
:Aux
CH. driven
both
.
.l
than
more
than
less
. .
.
2OHz-2OO00Hz
than
more
. .200PV
. . .more
.1.4V
200W
0.05%
100d8
than
30
olnputimpedance...
in
1000H2
at
oDynamic
oCrosstalk
Between
Output:20W
Main in
oOutput
Speaker output
OMaximum power
oAC
oNetweight
oDimension.. .. .
Main
room
head
channels
the
(
Input:Shorted)
1000H2
20000H2
load
power
supply.
. .
Specifications
stereo
of
consumption.
are
design
and
. stereo
eqnripment
.
W=440
to change
subject
..1sKohm
240W(4C})
230w(8s})
mono
H=110
529\
620W(8s})
than
'more
than
'more
100watts
. .1
22OV,50/60H2
D=348mm
without
/(aS2)
80dB
60dB
Sohm
10.5k9
notice.
-2-