CS1102
CS1101
S
G
D
S
G
D
S
G
D
S
G
D
R ch
L ch
PLAYBACK
HEAD
DECK1
1
5
3
4
2
R ch
L ch
R/P HEAD
ERASE
HEAD
DECK2
1
5
3
4
2
A
B
C
D
E
F
Q1173
DTC144TKA146
BIAS OSC CONT.(CrO
2
)
2
3
1
4
5
GND
Vcc
IC1102
BA7755A
R/P SELECT
Q1101
2SJ498CDTA
HEAD SELECT
(REC:ON)
Q1103
2SJ498CDTA
HEAD SELECT
(PLAY:ON)
Q1104
2SJ498CDTA
HEAD SELECT
(PLAY:ON)
Q1102
2SJ498CDTA
HEAD SELECT
(REC:ON)
R1
182
1
TP11
TP12
TP170
TP171
TP172
R1
176
4.7K
D1172
MA8047MTX
R1174
10K
C1
174
50V4.7
D1171
MA111TX
R1173
10K
4
5
6
D1174
MA8036HTX
R1172
330
R1
170
1K
C1
173
0.01
Q1179
2SC2412KT96R
SWITCHING
(BEAT PROOF)
C1
184
1500P
C1
185
4700P
C1
183
0.47
3
2
1
L1201
C1
176
0.047
C1
175
35V220
R1188
1K
R1
189
4.7K
Q1171
2SD1302STA
SWITCHING
(REC:ON)
R1
177
5.6K
D1175
MA111TX
C1
182
50V4.7
Q1174
2SC2412KT96R
BIAS OSC CONT.
(CrO
2
)
R1
181
3.3K
R1180
2.7K
R1179
2.7K
C1
181
0.01
C1
180
0.01
C1177
1000P
C1
179
0.01
C1178
1000P
R1178 1.2
Q1175,1176
2SC2002KTA
BIAS OSC
Q1175
Q1176
TP5
TP4
TP2
TP1
R1
184
100K
C1102
1000P
R1104
15K
C1194
1000P
R1195
100K
C1
103
680P
C1
104
0.022
R1
101
330K
R1102
100K
TP6
C1193
1000P
R1
183
100K
C1101
1000P
R1103
15K
TP3
SCHEMATIC DIAGRAM-5
L1202
47 H
:TAPE PLAYBACK SIGNAL LINE
:TAPE RECORDING SIGNAL LINE
:POSITIVE VOLTAGE LINE
((8.3V)) ((0V))
((0V))
11.1V
4.9V
((0V))
((0V))
((0V))
((0V))
((0V))
((0V))
((0V))
((0V))
0V
((4.2V))
0V
((4.4V))
0V
((4.4V))
0V
((4.2V))
0.6V
((14.8V))
((0V))
((0V))
0.6V
((0V))
((14.8V))
((0V))
0.7V
((0V))
0.6V
((0V))
0.6V
((0V))
((4.8V)):CrO
2
((0V))
0.7V
((0V))
((0V))
((0V))
26.4V
((0V))
14.8V
ERASE CURRENT
CHECK POINT