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VARIABLE
RESISTORS
R115,215
R148 ,248
R146,246
R147 ,247
R149,249
R604,704
R605,705
R606,706
R607 ,707
R312,412
R323,413
R325 ,425
R338,438
R502,504,
506,508,
510
TRANSISTORS
X101,201
X102,202
X103,203
X104,204
X105,205
X106,206
X107,207
X108,208
X501~ 505
X506
X601,701
x801
X301,401
X302,402
X303,403
X304,404
X305,405
ICs
1C101,201
1C501
1C301,401
PLAYBACK GAIN ADJ.
50k2
PLAYBACK
VOLUME
CONTROL
10k
(A)
METER GAIN ADJ.
2ka
LINE REC VOLUME CONTROL
100k2 (A)
MIC/DIN REC VOLUME CONTROL
50k2
BIAS CURRENT ADJ. (CHROME)
100ka2
"
(NORMAL)
100k2
REC GAIN ADJ. (NORMAL)
50k2Q
"
(CHROME)
50k2
ANRS PLAYBACK GAIN ADJ.
5ka
ANRS REC GAIN ADJ.
5kaQ
ANRS CONTROL AMP GAIN ADJ.
20kaQ
ANRS DC BIAS ADJ.
1ka
PEAK LEVEL ADJ.
500k2
2SA721TU
2SC1327TU
2SC828RS
penta
MAIN AMP CIRCUIT
2SC828ARS
2SC828RS
2SC828RS
2SC828S
PEAK LEVEL CIRCUIT
2SA564ARS
2SC828ARS
EQUALIZER SW CIRCUIT
2SC828ARS
BIAS SW CIRCUIT
2SC828RS
2SD545VS
2SA721TU
ANRS CIRCUIT
28C1327TU
2SC828RS
2SC828RS
2SC828RS
2SA564ARS
POWER SUPPLY CIRCUIT
2SC828RS
2SC1162WT (BC)
TA7140P-B
MAIN AMP CIRCUIT
TD3404AP
PEAK LEVEL CIRCUIT
TA7140P-B
ANRS CIRCUIT
Transistor
IC
TA140P-BC
B (Base)
a—
C (Collector)
E (Emitter)
1234567
Fig. 15
—~17-—
DIODES
D501~505
D506~508
D301,302,
401,402
D303,403
D101~ 104,
201~204
D1,2
D3
D4
D5
D6~ 13,16
D509
SWITCHES
$101-1~9,
201-1~9,
301-1~4,
401-1~4
$601-1~3,
701-1
$602-1,702-1
$604-1,704-1
$605-1~2,
705-1
$606-1~2,
706-1~2
$607-1,707-1
TLR102
LED
(Light Emitted Diode)
... PEAK LEVEL INDICATOR
TLR105
LED
REC, ANRS, Super ANRS
INDICATOR
OA90
GE. DIODE
.... ANRS CIRCUIT
VD1212
SI. DIODE VARISTOR
we ANRS CIRCUIT
OA90
GE. DIODE
ww PEAK LEVEL CIRCUIT
GE. DIODE
POWER SUPPLY CIRCUIT
GE. DIODE
sis POWER SUPPLY CIRCUIT
1N4733T5
ZENER DIODE
aes POWER SUPPLY CIRCUIT
RD24E(1)
ZENER
DIODE
a
POWER SUPPLY CIRCUIT
T30155-001 or VO6-B
GE. DIODE
tke POWER SUPPLY CIRCUIT
RD4.3EC
ZENER DIODE
es MAIN AMP CIRCUIT
REC/PB SWITCH AT "PB"' MODE
ANRS SWITCH AT "ANRS
OFF"
BIAS NORMAL SWITCH AT "OFF"
BIAS CHROME SWITCH AT "OFF"
SUPER ANRS SWITCH AT "OFF"
EQ CHROME SWITCH AT "OFF"
EQ SF SWITCH AT "OFF"
EQ CHROME SWITCH AT ''OFF"
POWER SW AT "POWER OFF"
PAUSE SW AT "PAUSE OFF"
MOTOR SW AT "MOTOR OFF"
MUTING SW AT "MUTING OFF"
MEMORY SW AT "OFF"
REWIND SW
COUNTER SW
IC
TD3404AP
14131211109 8
It
1234567
CD-1770/A/B/C/E
No. 4144
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