Panasonic Omnivision PV-9661 - Page 384

NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
C2510
C2517
C2509
C2508
C2507
C2506
C2504
R2502
R2501
R2505
12
3
4
Q2501
12
3
4
Q2502
12
3
4
Q2503
IC2501
AN3845SC
1
2
3
4
5
6
7
8
9
10
11
12
13
1415
16
17
18
19
20
21
22
23
24
25
26
27
28
22/16V
C2532
27
R2531
22/16V
C2533
22/16V
C2531
CAPSTAN SERVO
CAPSTAN/LOADING
MOTOR DRIVE
FG HEAD UNIT
HALL
TRANSISTOR
CAPSTAN COIL
TORQUE
COMMAND
POSITION
SIGNAL
PROCESS
VCC
LOADING
MOTOR
CONTROL
LOGIC
DIRECTION
CONTROL
LOGIC
CAPSTAN
MOTOR COIL
DRIVE
UPPER
DRIVE
CONTROL
GND
FG HEAD
H1- VH-
VH+ H1+
H2-
H2+
VH-
VH+
H3-
H3+
VH-
VH+
LOWER
DRIVE
CONTROL
DIRECTION
DETECT
GB
3
HC
4
ID
5
JE
1
A
F
2
A
VJBS2006
HALL
TRANSISTOR
HALL
TRANSISTOR
6
AUDIO ERASE HEAD
AUDIO ERASE HEAD
8
CTL HEAD
4
2
6
3
7
1
AUDIO HEAD
LD-M(+)
CTL HEAD GND
5
P2552
TO MAIN
C.B.A. P6002
AUDIO HEAD
LD-M(-)
5
4
2
6
5
6
4
3
1
3
AUDIO ERASE HEAD
2
1
AUDIO HEAD
CTL HEAD GND
AUDIO HEAD
CTL HEAD
AUDIO ERASE HEAD
3
CAP ERROR
5
CAP DIRECTION CTL
6
11
GND
UNSW +5V
P2531
8
13
10
LD-M REV(H)
V-REF
2
CAP FG(+)
9
LD-M (-)
CAP TORQ.LIM
CAP FG(-)
LD-M FWD(H)
LD-M (+)
12
1
14
UNSW +14V
7
TO MAIN
C.B.A.P6201
4
GND
MAIN COIL 3
15
14
2
MAIN COIL 2
20
5
17
P2502
13
19
V-REF
MAIN COIL 3
CAP TORQ.LIM
CAP ERROR
CAP FG(-)
GND
11
LD-M REV(H)
1
CAP FG(+)
7
UNSW +5V
LD-M (+)
4
UNSW +14V
16
LD-M FWD(H)
LD-M (-)
GND
MAIN COIL 1
3
9
10
18
8
MAIN COIL 2
21
6
12
MAIN COIL 1
17
10
9
11
3
18
8
21
6
12
15
14
2
20
5
13
19
1
7
4
16
LOADING
MOTOR
M
P2551
LOADING MOTOR P.C.B.
VJBS0A23
AUDIO HEAD
AUDIO ERASE HEAD
AUDIO CONTROL HEAD P.C.B.
P1541
VJBS0A24
CONTROL HEAD
1/4W
P2532
VJBS0A25
JUNCTION C.B.A
CTLDIRECTIONCAP
CAPSTAN STATOR
NOTE:
1. CAPSTAN STATOR UNIT IS SUPPLIED AS A CAPSTAN STATOR KIT ONLY.
HOWEVER, IC2501(AN3845SC) IS AVAILABLE SEPARATERY AS A REPLACEMENT PART.
2. WHEN INSTALLING THE IC2501 OR CAPSTAN STATOR UNIT, BE SURE TO APPLY
SILICON GREASE(VFK1301). REFER TO "CAPSTAN STATOR UNIT" OF
"DISASSEMBLY/ASSEMBLY PROCEDURES OF MACHANISM" SECTION.