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Hitachi D-W400 Service Manual page 11

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CIRCUIT DIAGRAM - SCHALTPLAN ° PLAN DE CIRCUIT
[
+B
me
— B|
: Printed resistor
m= : for Recording
D-W400
SIGNAL CURRENT
D>: for Playing back
RO?
82
R10L
ico
TAPE 1 PLAYBACK
BA-3408
GAIN ADJ
PLAYBACK AMP
J3
RML
HEAD PHONE JACK
SWITCHING
:
RIOL
C10L
20K-(B)
0.47/50
To Rch
RIL
a
i
z
a
i e
20K-(B)
1
:
i
f
01
-
2SC1740LN(S)
.
S-
M5218P
SWITCHING
Ta
MIXING AMP
-
-
¢302L
"BFE Soar "gst
LED201L,R
DOLBY
B NR SWITCH
REC/PLAY
HEAD
SWITCH
S3-1(2)
te C202R
10/16
REC VOLUME
[ore] Saas ie)
BIAS CURRENT
ADJ.
38
R407
200K-(B)
TAFE SELECT
SWITCH
C405L
€RB12-01
220P
Q401
28C2235(Y)
2SD880(Y.0)
e
BIAS OSC
except EW
CONTINUOUS
SWITCH
TAPE2
2
oso2 | (M) Dc MOTOR
2SD1266D
for EW
$13 TAPE2
MOTOR SWITCH
D602
ERB12-01
VOLTAGE
SELECTOR
AC110-120V/
fe
:AC1
forUS,CS_
:AC120V
200.240
J
:
i)
1
i}
i}
1
I
1
1
1
'
th) 2SD468C
i
i)
O
1
1
1
'
oe
1401
CrOz
Ss
=
Q503
50Hz
BIAS) 050
pews TAPE SELECT
85 OP
forvk — :AC220V
s0/60Hz
SWITCH
SWITCHING
:
S0Hz
forBS,SA :AC240V
15K
-_
C312
Ae
5018
10%
ht
TAPE 1
2
22/25 +
'
(for EW.
[>
DGMOTOR:
9
i
a
cae
ae
Sk Sie
aa
lee:
CAAT
A
te
tame ne
ey
sash a
Neen 4
1000/25)
d
$12
6,
TAPE 1
(Non frammable)
MOTOR SWITCH
Q507
(K,) 2SC1740LN(S)
SWITCHING
1
2
3
4
5
6
7
8
9
—~15—
— 16 —

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