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Block Diagram
Recording system
LINE iN
X104
28C1327
LINE Volume
TU
28C828
MIC Jack
X101
2SA721
Tu
x102
2SC1327
TU
REC/PB Socket
{DIN}
MIC Volume
R-CH
MIC
IN
REC Gain Adj
RCH
OUT
LCH
OuT
ANRS Control
Amp. Gain Adj
301
2SC828
RS
ANRS
Filter
2SA721
TU
2SC1327
TU
ANRS Circuit
Playback system
Playback
Gain Adj
Playback Head
x101
2SA721
TU
X102
25€1327
TU
X104
2SC1327
Tu
x105
2SC828
RS
Equalizer Circust
Chrome
X103
2SC828
proto tron
-
ANRS
Playtrack Gain Adj
Equahzer Switch
dy
'C301
TA7140
ANRS
Switch
X301
2SC828
ANRS
Filter
X303
2SA721
TU
X304
28C1327
TU
X302
2SD545VS
To peak level circuit
X108
2SC828
RS
VU meter
Meter Gain Adj
Headphone
Bias OSC Circuit
x801
2SC828
LINE
OUT
Bias Adj
Bias Switch
REC
Head
x601
2SC828
ARS |
Chrome
Normat
PB
To peak level circuit
VU meter
X108
2SC828
RS
1€101
TA?140
PB
Gain Adj
X106
28C828
ARS
PB Votume
Headphone
LINE OUT
REC'PB Socket
ANRS Control
Amp. Gain Adj
|
i
I
DC Bias Adj
|
1C301
'
TA7140
PB
|
|
J
i
J
ANRS Circuit
CD-1770/A/B/C/E
No. 4144
Fig. 12
4a
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