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Idiomas disponibles
MA-377 (SERVO CONTROL) SCHEMATIC DIAGRAM • See page 4-5 for printed wiring board.
Q Q
3 7 6 3 1 5 1 5 0
– Ref. No.: MA-377 board; 1,000 series –
1
2
3
MA-377 BOARD (3/7)
A
NO MARK:REC/PB MODE
CAM
DRUM_VS
DRUM_FG
DRUM_PG
B
CAP_RVS
CAP_FG
17
CAP_QR
MA-377 BOARD(2/7)
CAP_VS
(SEE PAGE 4-14)
CAP_TRG_PWM
MODE_4
MODE_3
MODE_2
C
MODE_1
T_REEL
S_REEL
S_SENS
T_SENS
D
M58
M55
E
T E
L
1 3 9 4 2 2 9 6 5 1 3
F
G
M74
H
M74
END_LED
M58
DRUM_QR
M55
REC_PRF
18
MA-377 BOARD(2/7)
B+
I
(SEE PAGE 4-14)
UN5V_BCAP
DGND
B+
UN5V
P.CONT
J
DGND
B+
UN5V
19
B+
MA-377 BOARD(6/7)
AN6V
(SEE PAGE 4-22)
GND
B+
w w w
SW12V
30V
B+
K
05
.
4
5
6
7
M83
M26
M38
M39
M93
M40
M94
M25
M66
M87
M86
M85
M84
M88
M89
M11
M12
B+
B+
S101
(REC PROOF)
PH001
GP3S120
R001
R007
47k
(T REEL)
470
M88
C001
B+
0.001u
PH002
GP3S120
R008
47k
(S REEL)
C002
M89
0.001u
Q003
R005
R006
2SC1815GR-TPE2
47
47
B+
LED
DRIVER
B+
D001
2.2
GL528V1
0.4
C005
(T/S LED)
330u
R003
6.3V
2200
M11
R004
2200
R009
R010
5
33k
33k
M12
Q002
D101
PT380F3
MA723-(TA)
5
S SENS
B+
C004
100p
C003
Q001
100p
PT380F3
T SENS
D102
MA723-(TA)
B+
B+
B+
x
a o
y
i
4-15
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8
8
9
10
M87
M86
M85
M84
1
2
3
M83
C034
0.01u
R071
180k
M26
R073
M38
Q
Q
3
7
6
3
C071
0.047u
IC652
C072
M39
0.22u
+12V REG
R076
IC653
1k
IC652
PQ12RD08
D+5V REG
IC653
S-81350HG-KD-T1
R051
4700
1
2
3
4
M93
R052
4700
M40
1
2
3
R053
3300
M94
R056
4700
M25
B+
B+
JL654
M66
R652
R057
15k
10k
C054
C653
R651
C053
C654
220u
R653
10k
0.068u
47u
25V
1k
16V
D651
1SS119-25TD
B+
B+
B+
SIGNAL PATH
REC
Drum speed servo
Drum phase servo
B+
Drum servo(speed and phase)
u 1 6 3
Capstan speed servo
.
Capstan servo(speed and phase)
Note: The components identified by mark 0 or dotted line
with mark 0 are critical for safety.
Replace only with part number specified.
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2
4
9
9
8
11
12
13
JL015
JL001
JL002
JL003
IC031
CAM MOTOR DRIVER
IC031
LB1943N
4
5
6
7
8
9
10
C032
0.01u
R032
C031
47k
220u
16V
B+
R072
47k
R075
1k
1k
R074
1k
1
5
1
5
0
8
9
2
4
C076
C073
C075
1000u
220p
0.01u
16V
C074
B+
0.001u
D071
MPG06D-
B+
6052PKG3
PS071
2A
R054
10k
0.1u
R055
10k
C052
C051
47u
47u
16V
16V
B+
CN7
REC/PB
PB
A/D1_IN
FL30
+F
20
CN6
A/D1_OUT
MA-377 BOARD(7/7)
FL1
-F
(SEE PAGE 4-24)
m
CN4
A/D2_OUT
FL29
-13V
CN5
A/D2_IN
c o
B-
4-16
SLV-EX5/EX8S/EX9S
2
9
9
14
15
16
S102
(CAM ENCODER)
CN031
M903
3P
JL032
CAM MOTOR
3
CAM (+)
M
2
CAM (+)
1
CAM (-)
JL031
CN072
5P
B+
5
MTR 12V
M901
JL073
DRUM MOTOR
4
D VS
M
JL071
3
D PG
JL072
2
D FG
1
MTR GND
9
8
2
9
9
CN051
9P
B+
1
UN5V
JL0051
2
CAP RVS
JL052
3
CAP FG
M902
JL053
CAPSTAN MOTOR
4
CTL-REF
JL054
M
5
CAP VS
JL055
6
LIMITER
7
MTR 12V
8
MTR GND
9
GND
B+
CN600
19P
1
30V
B+
JL110
2
30V
JL112
3
AN6V
JL111
B+
4
AN6V
5
MTR12V
JL114
B+
6
MTR12V
7
GND
8
GND
9
GND
JL109
PSM17-501 BOARD
10
GND
CN102
(SEE PAGE 4-32)
11
GND
B+
12
GND
CN7
13
A/D1 IN
FL30
JL107
14
+F
JL102
CN6
15
A/D1 OUT
JL106
FL1
16
-F
CN4
JL101
17
A/D2 OUT
JL104
FL29
18
-13V
CN5
JL103
19
A/D2 IN
JL105
B-
SERVO CONTROL
MA-377 (3/7)
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