D-M3
A/B/C/E/J/U
|
Contents
Page
Spe@CifiCatlOns
cccescdeded
casisncvedevedessdeaSeceneesed
satasrersiee
2
Feattires)
2.cccctstescecdiecsl
tees
ei
dees
3
Controls
and
Connections
.............cccceccececeeeneeeeeeeeees
3
Main
Parts
Location
...............:ceccceeeececceceeaceceeceeceres
4
Dimensions,
Safety
Precautions,
Maintenance
............
5
Removal
of
the
Main
Parts
...............ccsccseeeeseeeseeneaeees
6
Block
Didgranmiisc
sie
scecsvsccascecsevesnsstecseecvevevenveieuscseeses
8
Main
Adjustment
.............::ecsceeecceee
nena
eeeeeeeeeeeeeeeeenes
9
Standard
Schematic
Diagram
(Main
Amplifier
Circuit)
...
13
Standard
Schematic
Diagram
(Mecha.
Control
Circuit)
.
14
Main
Amp.
P.W.
Board
Parts
..............0:sececeeceseeseeeeees
15
Mecha.
Control
P.W.
Board
Parts
...............cceseeeeeeeeees
16
Specifications
Track
system
:
Micro
cassette
4
track
stereo
Heads
:
Metaperm
head
for
recording/
playback,
2
gap
SA
head
for
eraser.
Motors
:
Electronic
governed
DC
motor
for
capstan.
DC
motor
for
FF/REW.
:
0.08%
(WRMS),
+0.18%
(DIN
45
500)
Fast
forward
and
Rewind
time
:
110
sec
with
C-60
cassette
:
(—
20
dB
recording)
Metal
tape
*1;
40
Hz~
12,500
Hz
(+3
dB)
SF/Normal
tape
*
2;
40
Hz~
10,000
Hz
(+3
dB)
:
(—20
dB
recording)
Metal
tape
*1;
20
Hz~
15,000
Hz
SF/Normal
tape
*
2;
20
Hz~
13,000
Hz
*1
Metal
Tape
JVC
MC-60ME
*2
Normal
Tape
OLYMPUS
OA-B111
:
52
dB
(S=1
kHz,
K3:
3%
N
=A-weighted,
metal
tape)
The
S/N
is
improved
by
5
dB
at
1
kHz
and
by
10
dB
above
5
kHz
with
ANRS/DOLBY
B
NR
on.
Wow
and
flutter
Frequency
response
Frequency
range
S/N
ratio
No.
4213
Page
Wiring
Connection
............cccceeccccesceeeeceececesceteeeusuees
17
Enclosure
Assembly
and
Electrical
Parts
(Except
P.W.Board
Parts)
..............ccccccccecceceuceseeees
18
Enclosure
Assembly
and
Electrical
Parts
List
............
19
Mechanical
Component
Parts
...............eccceceesereeeeeees
20
Mechanical
Component
Parts
List
.................eceseseee
21
Main
Amplifier
P.W.B
Parts
List
...............cccceseeeeees
22
Mecha.
Control
P.W.B
Parts
List
..............cccceeeseerees
25
Other
P.W.B.
Parts
List
..............ccccccseveceveuesceseesens
27
Packing,
Packing
Material
Parts
List
...............
Back
Cover
AGCCOSSOMIOS:
iossicecisdcccccesSecccecucnsacecasecesctveses
Back
Cover
:
1.2%
(K3:
metal
tape
1
kHz
O
dB)
Harmonic
distrtion
Input
terminals
Mic
jack
x
2
:
Max
sensitivity
:
0.3
mV
(—
70
dBV)
Matching
impedance:
600
2~
10
kQ
:
Min.
input
level:
80
mV
Input
impedance:
100
kQ
Input
jack
x
2
Output
terminals
Output
jack
x
2
:
Output
level
:
0.3
V
Output
impedance
:
5
kQ
:
AC
240/220/120
V
50/60
Hz
(D-M3A/B/C/E/J)
AC
240/220/120/100
V
50/60
Hz
(D-M3U)
:
19
W/AC
at
power
switch
on
2W/AC
at
power
switch
STANDBY
Power
requirement
Power
consumption
Dimensions
:
340
mm
(13-3/8”)
W
59
mm
(2-5/16”)
H
264
mm
(10-5/8”)
D
Weight
:
3.5
kg
(7.7
Ibs)
Design
and
specifications
are
subject
to
change
without
notice.
This
unit
does
not
have
a
DIN
connector
for
record-
ing/playback.
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