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LOADING MOTOR UNIT
LOADING
5
MOTOR
M
P2503
LD-M(+)
2
LD-M(-)
1
4
TO MAIN C.B.A.
P2502
P6201
GND
12
CAP FG(-)
11
CAP DIRECTION
10
CAP FG(+)
9
CAP TORQ.LIM
8
7
LD-M FWD(H)
V-REF
6
LD-M REV(H)
5
CAP ERROR
4
3
UNSW +5V(SYS.CTL)
3
UNSW +5V(SYS.CTL)
2
SW +14V
1
2
1
A
A
B
IC2501
A,B,C,D
AN3845SC
CAPSTAN/LOADING
MOTOR DRIVE
E,F,G
AN3846SC
LOADING
15
MOTOR
CONTROL
LOGIC
16
17
18
C2505
Z
19
20
21
GND
DIRECTION
TORQUE
CONTROL
22
COMMAND
1/8W
A,B,C,D
LOGIC
R2501
1
1/4W E,F,G
23
CAPSTAN
R2502
1
1/8W A,B,C,D
MOTOR COIL
DRIVE
1/4W E,F,G
24
UPPER
LOWER
25
DRIVE
DRIVE
CONTROL
CONTROL
26
C2517
POSITION
DIRECTION
0.1
A,B,C,D
27
DETECT
SIGNAL
2.2
E,F,G
PROCESS
28
VCC
C2510
0.1
C2520
C2523
2.2
Z
C2521
C2524
C2525
2.2
Z
Z
C
D
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
NOTE:
WHEN INSTALLING THE IC2501(AN3845SC OR AN3846SC) OR CAPSTAN STATOR C.B.A.,
BE SURE TO APPLY SILICON GREASE(VFK1301). REFER TO "CAPSTAN STATOR C.B.A."
CAPSTAN SERVO
OF MACHANISM SECTION IN DISASSEMBLY/ASSEMBLY PROCEDURES.
NOTE:
THE FOLLOWING PARTS ON THE CAPSTAN STATOR C.B.A. ARE NOT SUPPLIED SEPARATELY.
PLEASE ORDER AND REPLACE WITH THE CIRCUIT BOARD ASSEMBLY INSTEAD OF INDIVIDUAL PARTS.
(Q2501, Q2502, Q2503, CAPSTAN COIL)
C2508
0.1
14
C2509
0.1
13
12
R2505
2200
A,B,C,D
Q2501
11
2400
E,F,G
HALL
TRANSISTOR
10
C2519
1000P
9
8
7
6
C2506
0.01
5
4
C2504
0.01
3
2
C2507
0.01
1
C2522
2.2
C2511
0.1
E
Q2502
HALL
HALL
H1-
VH-
H2-
VH-
TRANSISTOR
TRANSISTOR
VH+
H1+
VH+
H2+
CAPSTAN COIL
IC2505
(MR HEAD)
VCC OUT1 GND
F
G
COMPARISON CHART
OF MODELS & MARKS
MODEL
MARK
PV-V4600
A
PV-V4620
B
PV-V4620-K
C
PV-V4630-K
D
PV-V4640
E
PV-V4640-K
F
PV-V4660
G
Not Used
Z
Q2503
H3-
VH-
VH+
H3+
EZMPS300F12
1
2
3
4
VJBS2007
H
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