2-8
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
Cassette mechanism control section
8V
PBR
RECR
RECL
KEY-A
PBL
ENDSW-A
SAFETY
PBMUTE
A/B
RMUTE
M12V
SOL-A
MOTOR-A
MG
SOL-B
MOTOR-B
ENDSW-B
KEY-B
AG
HSW+RECB
A/B
PBMUTE
RECR
RECL
PBR
PBL
RMUTE
NI
C200
220
R226
NI
C217
390P/50
C207
1200P/50
C225
2.2/50
C213
2.2k
R123
Q110
KTA1271/OY/-T
100K
R208
D122
1N4003S-T5
100/16
C122
NI
C218
B143
24K
R227
1
2
3
4
5
6
7
NI
C201
NI
C208
10
R309
330P/50
C301
2.2k
R110
IC200
HA12237F-E
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
D152
1N4003S-T5
4.7
R306
10K
R206
NI
Q205
15K
R300
15K
R301
0.01/50
C203
1200P/50
C202
5.1K
R200
0.1/16
C206
9.1K
R219
100
R207
5.1K
R201
820P/50
C234
NI
R221
0.1/16
C204
30K
R205
0.1/16
C212
2.2K
R307
NI
C239
NI
C238
2.2/50
C205
Q200
RT1P430C-X
27K
R204
TP300
330P/50
C300
L300
QQR1118-002
1
2
3
456
10/50
C211
18K
R113
4.7/25
C227
1.8K
R213
220/10
C209
Q150
KTA1296/Y/-T
820P/50
C235
9.1K
R218
NI
R234
220P/50
C216
1/50
C210
4.7/25
C226
0.1/16
C214
100/16
C228
5.1K
R215
220P/50
C231
Q120
KTA1296/Y/-T
Q111
RT1N144C-X
NI
C229
1.8K
R202
5.1K
R214
0.01/50
C219
22K
R209
22/50
C220
NI
C230
1/50
C221
22/50
C222
1K
R217
1K
R216
Q300
KTC3203/OY/-T
0.0068/50
C224
30K
R211
2.2k
R153
390P/50
C215
10K
R302
470K
R308
27K
R212
D121
1N4003S-T5
D151
1N4003S-T5
CN220
WJK0243-001A-E
1
2
3
NI
C233
NI
C232
KRC107S-X
RT1N144C-X
0.027/10
C303
NI
R235
Q121
RT1N144C-X
Q151
RT1N144C-X
Q301
KTC3203/OY/-T
0.0015/50
C307
0.022/50
C306
10K
NI
C305
47K
100/16
C304
2.2
R305
15K
R304
0.0068/50
C223
10/50
C110
L301
QQL244K-100Z
100
R303
CN120
QGF1205C2-07
1
2
3
4
5
6
7
36K
R115
8.2K
R114
10/50
C140
Q140
KTA1271/OY/-T
2.2k
R140
Q141
RT1N144C-X
2.4K
R203
2.4K
R210
WR1
WJZ0160-004A-E
CN100
QGF1205C2-21
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
RT6N430C
Q201
RT6N430C
Q202
RT6N430C
Q204
RT6N430C
Q203
RT6N430C
CN200
QGA2001C1-07
1
2
3
4
5
6
7
NI
R222
CN110
QGF1205F2-06
1
2
3
4
5
6
1
2
3
4
5
6
B108
BUS
NI
R220
8.2K
R228
B131
NI
RT1P430C-X
PB-NF2(R)
PB-EQ(R)
PB-
EQOUT(R)
TAI(I)
(1/4W) FR
AIN(R)
NC
PBOUT(R)
NC
BIN(R)
RECIN(R)
ALC(R)
NC
RECOUT(R)
ALC ON/
GND
OFF
CR/NOR
A/B
(1/4W)UNF
MUTE ON/ OFF
VCC
ALC DET
GND
REC MUTE
OFF/ON
Iref
TEST
RETURN
BIN(L)
RIP
AIN(L)
PB-NF1(L)
PB-NF2(L)
PB-EQ(L)
TAI(L)
PBOUT(L)
PBMUTE
A/B
RMUTE
ENDSW-B
SOL-B
F-REC
NC
RECIN(L)
ALC(L)
NC
RECOUT(L)
EQOUT(L)
BIAS OSC
NF1(R)
(8.2V)
9.0V
9.0V
(1.1V)
8.8V
(6.5V)
0V
0V
0V
RECORD PLAYBACK HEAD
SOLENOID DRIVE A
RECORDING CURRENT
NORM
GND
ERASE CURRENT
NORM
70mA
36uA
STANDARD
NOTES
1. VOLTAGES ARE DC-MEASURED WITH A DIGITAL VOLT METER
BIAS FRQ
CHECK POINT
CONDITION
MECHA STOP MODE
QAL0968-001
R+
L+
R-/L-
PLAYBACK HEAD
2. UNLESS OTHERWISE SPECIFIED
MOTOR DRIVE A
ALL INDUCTANCE VALUES ARE IN H(m=mH).
ALL CAPACITORS ARE CERAMIC CAPACITOR
GVA10149
OR MYLAR CAPACITOR.
ALL RESISTANCE VALUES ARE IN OHM( ).
ALL CAPACITANCE VALUES ARE IN F(P=pF).
ALL E.CAPACITORS ARE SHOWN IN THE FORM
OF CAPACITANCE ( F)/RATED VOLTAGE (V).
(0V)
OR OSCILLOSCOPE WITHOUT INPUT SIGNAL.
CONNECT TO CHASSIS OF MECHA A & B
,RESISTORS ARE 1/10W 5% METAL GLAZE RESISTOR.
:
POLYPROPYLENE CAPACITOR
0V
0V
0V
0V
0V
0V
11.9V
1V
11.3V
11.4V
0V
0V
0V
11.9V
11.4V
11.4V
0V
0V
8.8V
0V
(0V)
0V
(0V)
10
!
PACK
R-REC
MTR-B
ENDSW-A
SOL-A
PACK
GND
MTR-A
SOLENOID DRIVE B
11.9V
1V
11.3V
MOTOR DRIVE B
+
-
+
-
4.7K
4.7K
4.7K
4.7K
!
4.7K
L-
L+
PBL
PBR
RECL
RECR
E+
E-
AG
R-
R+
NC
QAL0967-001
(PB 2WAY)
(R/P 2WAY)
4.7K
0V
0V
0V
11.9V
0V
11.4V
11.4V
0V
0V
TAPE A :
TAPE B :
0V
0.84V
0.84V
0.84V
0.86V
0V
0V
0.84V
0.84V
0V
0V
0V
0V
0V
0V
0V
3.4V
0.6V
0V
0V
0V
0.6V
0V
3.5V
3V
3.5V
0V
3.5V
3.6V
3V
0V
0.6V
0V
0V
1.2V
0V
6.8V
7.2V
0V
0V
3V
0V
3V
3.6V
3.5V
0V
0V
3V
3.5V
0V
0.6V
3.5V
8V
8V
8V
8V
0V
0V
3.3V
0V
0V
3.3V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
1.9V
0V
0V
0V
0V
1V
1V
0V
0V
0V
0V
0V
0V
0V