Advertisement
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
CAPSTAN/LOADING
AN3845SC
MOTOR DRIVE
LOADING
15
14
MOTOR
CONTROL
LOGIC
16
13
17
12
18
11
C2505
Z
19
10
20
9
GND
21
8
DIRECTION
TORQUE
CONTROL
22
7
COMMAND
R2501
1
1/8W
LOGIC
23
CAPSTAN
6
MOTOR COIL
R2502
1
1/8W
DRIVE
24
5
LOWER
UPPER
25
4
DRIVE
DRIVE
CONTROL
CONTROL
26
3
POSITION
DIRECTION
C2517
27
2
DETECT
SIGNAL
0.1
PROCESS
28
1
VCC
C2510
0.1
C2520
C2523
2.2
Z
C2521
C2524
C2525
Z
2.2
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 CAPSTAN STATOR C.B.A., BE SURE
TO APPLY SILICON GREASE(VFK1301). REFER TO "CAPSTAN STATOR C.B.A."
OF MACHANISM SECTION IN DISASSEMBLY/ASSEMBLY PROCEDURES.
CAPSTAN SERVO
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
C2509
0.1
R2505
2200
Q2501
HALL
TRANSISTOR
C2519
1000P
C2506
0.01
C2504
0.01
C2507
0.01
C2522
2.2
C2511
0.1
E
F
Q2502
Q2503
H1-
VH-
H2-
VH-
HALL
HALL
TRANSISTOR
TRANSISTOR
VH+
H1+
VH+
H2+
CAPSTAN COIL
IC2505
(MR HEAD)
VCC OUT1 GND
1
2
G
COMPARISON CHART
OF MODELS & MARKS
MODEL
MARK
PVQ-2510
A
PV-C2540
B
PV-C2540-K
C
PV-C2580
D
PV-C2580-K
E
Not Used
Z
H3-
VH-
VH+
H3+
EZMPS300F12
3
4
VJBS2007
H
Advertisement
