JVC CA-DXJ11, Service Manual

Page: 50 / 91

2-16
Cassette control section (DX-J21,DX-J11)
/WJK0243-001A-E
4.7K
(R/P 2WAY)
(PB 2WAY)
(PB 1WAY)
QAL0967-001
NC
R+
R-
AG
E-
E+
RECR
RECL
PBR
PBL
L+
L-
4.7K
4.7K
4.7K
4.7K
4.7K
- +
QAL0966-001
- +
MOTOR DRIVE B
11.3V
1V
11.9V
SOLENOID DRIVE B
MTR-A GND PA
C
K
SOL-A ENDSW
-A
MTR-B
R-REC
PA
C
K
10
(0V)
0V
(0V)
0V
8.8V
0V
0V
11.4V
11.4V
11.9V 0V
0V
0V
11.4V
11.3V
1V
11.9V
0V
0V
0V
0V
0V
0V
POLYPROPYLENE CAPACITOR
:
,RESISTORS ARE 1/10W 5% METAL GLAZE RESISTOR.
CONNECT TO CHASSIS OF MECHA A & B OR OSCILLOSCOPE WITHOUT INPUT SIGNAL.
(0V)
OF CAPACITANCE ( F)/RATED VOLTAGE (V). ALL E.CAPACITORS ARE SHOWN IN THE FORM
ALL CAPACITANCE VALUES ARE IN F(P=pF) .
ALL RESISTANCE VALUES ARE IN OHM( ).
OR MYLAR CAPACITOR.
GVA10149
ALL CAPACITORS ARE CERAMIC CAPACITOR
ALL INDUCTANCE VALUES ARE IN H(m=mH) .
MOTOR DRIVE A
UNLESS OTHERWISE SPECIFIED 2.
PLAYBACK HEAD
R-/L-
L+
R+
QAL0968-001
MECHA STOP MODE CONDITION
CHECK POINT
BIAS FRQ
VOLT METER VOLTAGES ARE DC-MEASURED WITH A DIGITAL 1.
NOTES
STANDARD
36uA
70mA NORM
ERASE CURRENT
GND
NORM
RECORDING CURRENT
0V
0V
0V
3.9V
SOLENOID DRIVE A
RECORD PLAYBACK HEAD
7.9V
7.5V
0V
0V 0V
1.2V
3.9V
0V
0V
0V
9V
9V
9V
(6.5V)
8.8V
(1.1V)
9.0V
9.0V
(8.2V)
NF1(R)
0.6V
BIAS OSC
3.8V
0V
0V
0V
0V
0.6V
0V
0V
3.9V
EQOUT(L)
4.8V
3V
6.3V
RECOUT(L) NC
6.0V
ALC(L) RECIN(L) NC
7.8V
F-REC SOL-B ENDSW
-B
0V
3V 0V 0V 0V
RMUTE
A/B
PBMUTE
PBOUT(L) T
A
I(L)
PB-EQ(L) PB-NF2(L)
PB-NF1(L)
AIN(L)
RIP
BIN(L)
RETURN
TEST
Iref
3V
OFF/ON REC MUTE
GND
ALC DET
VCC
OFF MUTE ON/
(1/4W)UNF
3.9V
A/B
CR/NOR
OFF
GND
ALC ON/
RECOUT(R) NC ALC(R) RECIN(R)
BIN(R)
NC PBOUT(R)
0V
NC
AIN(R)
(1/4W) FR
T
A
I(I)
EQOUT(R)
PB-
0V 0V
PB-EQ(R) PB-NF2(R)
HSW+RECB
AG
RMUTE
KEY
-B
ENDSW
-B
MOT
OR-
B
SOL-B
MG
MOT
OR-
A
SOL-A
M12V
RMUTE
A/B
PBMUTE
SAFETY
ENDSW
-A
PBL
KEY
-A
RECL
RECR
PBR
PBL
PBR
8V
RECL
RECR
PBMUTE
A/B
VCC
ALC-DET
sure to use the specified one.
When replacing those parts make
Parts are safety assurance parts. !
!
!
RT1P430C-X
NI
B131
R228
8.2K
R220
NI
BUS
B108
6 5 4 3 2 1
R222
NI
RT6N430C
Q203
RT6N430C
Q204
RT6N430C
Q202
RT6N430C
Q201
RT6N430C
WJZ0160-004A
WR1
R210
2.4K
R203
2.4K
RT1N144C-X
Q141
R140
2.2k
KTA1271/OY/-T
Q140
C140
10/50
R1
14 8.2K
R1
15
36K
R303
100
QQL244K-100Z
L301
C1
10
10/50
C223
0.0068/50
R304
15K
RT1P141C-X
KRA102S-X
10K
10K
R305 2.2
C304
100/16
47K
C305
N
I
10K
C306 0.022/50
C307
0.0015/50
KTC3203/OY/-T
Q301
RT1N144C-X
Q151
RT1N144C-X
Q121
R235
NI
C303
0
.027/10
RT1N144C-X
KRC107S-X
C232
NI
C233
NI
1N4003S-T5
D151
1N4003S-T5
D121
R212
27K
R308
470K
R302
10K
C215
390P/50
R153
2.2k
R211
30K
C224
0.0068/50
KTC3203/OY/-T
Q300
R216
1K
R217
1K
C222
22/50
C221
1/50
C230
NI
C220
22/50 R209
22K
C219
0.01/50
R214 5.1K
R202
1.8K
C229
NI
RT1N144C-X
Q111
KTA1296/Y/-T
Q120
C231
220P/50
R215
5.1K
C228 100/16
C214
0.1/16
C226 4.7/25
C210 1/50
C216 220P/50
R234
NI
R218 9.1K
C235
8
20P/50
KTA1296/Y/-T Q150
C209
220/10
R213
1.8K
C227
4.7/25
R1
13
18K
C211
10/50
6
5
4 321
QQR1118-002
L300
C300
330P/50
TP300
R204
2
7K
RT1P430C-X
Q200
C205
2.2/50
C238
NI
C239
NI
R307
2.2K
C212
0.1/16
R205
30K
C204
0.1/16
R221
NI
C234
820P/50
R201
5.1K
R207
100
R219 9.1K
C206 0.1/16
R200
5.1K
C202
1200P/50
C203
0.01/50
R301
15K
R300
15K
Q205
NI
R206
10K
R306
4.7
1N4003S-T5
D152
40
39
38
37
36
35
34
33
32
31
30 29 28 27 26 25 24 23 22 21
20
19
18
17
16
15
14
13
12
11
10 9 8 7 6 5 4 3 2 1
HA12237F-E
IC200
R1
10
2.2k
C301
330P/50
R309
10
C208
NI
C201
NI
7 6 5 4 3 2 1
R227
24K
B143
C218
NI
C122
100/16
1N4003S-T5
D122
R208
100K
KTA1271/OY/-T Q110
R123
2.2k
C213
2.2/50
C225
1200P/50
C207
390P/50
C217
NI
R226
220
C200
NI
6 5 4 3 2 1
QGF1205F2-06
CN110
7
6
5
4
3
2
1
QGA2001C1-07
CN200
21 20 19 18 17 16 15 14 13 12 11 10
9 8 7 6 5 4 3 2 1
QGF1205C2-21
CN100
7 6 5 4 3 2 1
QGF1205C2-07
CN120
3
2
1
QGA2001F1-03
CN220