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1
2
m@ SCHEMATIC DIAGRAM
LINE
IN
MIC
(Len)
VOLUME
CIRCUIT SECTION
22K
(ich)
(O
C1)
Rit
ic
C3
RO
25V4.7
1K
nop
a
RS 47K
BB Main ciRCUIT SECTION
Overall Gain Adj.
10
QI~3
2SDIO1IT
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SWITCHING
Ich
MS218L
MIC AMP
09,10
2SD1450R
iNPUT MUTE'ON
O
it
RECORD
/ PLAYBACK
HEAD
Balance Control
(Loch)
LINE
IN
(R ch)
MIC
(Roch)
Bias Current Adj.
Erase Current Adj.
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SWITCHING
M5219L
PB. EQ AMP
Q21,22
2SD1450R
REC/ON
:
cit 6vI00
a
an
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VRE
50K
REO
C32
C35
9
q
€33 0.0082
0.9033
7
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2SDI450R
LINE MUTE /ON
2SC3311Q
METAL /ON
Q17,18
| 25BI036R
2833110
RIO4
+——+?
R98 100K
¥
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SovI
0209,210
ISS254
cig
= =6c20
C56
0022
0210
C8 0.022
R49
10K
2SCI846R
REGULATOR
060!
MA4I80M
Q602
2SA885Q
REGULATOR
< nN
2SC3311Q
METAL /ON
HHHFLEO METER CIRCUIT
SECTION
R100 4.7K
c305
C303
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TT ETT
Io
CI
© ODOOOLOD
C302
0.0033
0.0022
0.0068
0.0022
C304
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CE) (EH)
Vey
10 (172) 'CXA} (EGA)
2
_AC POWER TRANSFORMER
Mcigcuit SECTION
C201
16V1000
b201
R217
10K
C205
I6VIO0
R203
1K
|SR35200TB
Erase Current Adj.
CEKICXLI
~ a
Qk)
IC701, 702
AN6882
METER DRIVE
LED BLOCK
Q701,702
0703 ~710
2SC3311Q
1SS254
METER MUTING
Q207
2SC3311Q
TAPE SELECTOR
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