Panasonic Omnivision PV-9661 Service Manual page 325

PV-9661 / PV-9662
9.6. SERVO BLOCK DIAGRAM
AUDIO CONTROL HEAD UNIT
P1541
CONTROL
HEAD P1541
CAPSTAN STATOR UNIT
CAPSTAN
COIL
IC2501 (CAPSTAN MOTOR DRIVE)
Q2501
HALL 4
TRANSIS-
3
TOR
Q2502
HALL POSITION
6
TRANSIS- SIGNAL
5
TOR PROCESS
Q2503
HALL
2
TRANSIS-
1
TOR
FG HEAD
HEAD AMP C.B.A.
P3502
4
HALL
P3502
IC
6
P3502
3
P3502
2
P3502
1
CYLINDER
MOTOR
LOADING MOTOR P.C.B. MAIN C.B.A.
P2551 P2552 P6002
5 5 8 8
P2551 P2552 P6002
6 6 7 7
JUNCTION C.B.A.
P2502 P2532
4 4
P2502 P2532
2 2
P2502 P2532
21 21
P2502 P2532
25
20 20
CAPSTAN P2502 P2532
24
MOTOR
1 1
DRIVE
P2502 P2532 TP6209
22
3 3
P2502 P2532 P2531 P6201
10
10 10 10 10
DIFFER- P2502 P2532 P2531 P6201
7
ENTIAL
11 11 9 9
AMP
P2502 P2532 P2531 P6201
12
8 8 12 12
P2502 P2532 P2531 P6201
7 7 13 13
GND
IC2601 (CYLINDER MOTOR DRIVE)
7
PG/FG PULSE P3501 P3001
4
GENERATOR
1 1
6
1
CYLINDER P3501 P3001
2 9
MOTOR
3 3
DRIVE
16
TP6206 IC6001 (SERVO MICROCONTROLLER)
75
74
PB-ON
NEGATIVE PB
- +
CTL SLICER
+5V
1/2 Vcc
72
69
70
POSITIVE PB
TP6207 76
CTL SLICER
21 CAP DIRECTION CTL
COUNT
SCHMIT
TP6203
DOWN
67
68 AMP
INTEGRATION 33
TP6201
PWM
CAPSTAN SPEED
COMPENSATOR
MIX
CYLINDER/ CAPSTAN
PHASE COMPENSATOR
MIX
CYLINDER SPEED
PWM
COMPENSATOR
PG/ FG
HEAD SW
65
SEPARATOR
SIGNAL
GENERATOR
FORCED ACCELERATION
22
INTEGRATION
34
CAP TORQUE LIMIT
20
TP6208 TP6202
76
TP6003
(FROM IC3001(40))
REC CTL
ENVELOPE
ENVELOPE
AMP
84
DETECTOR
VOLTAGE
V-LOCK
PULSE (TO IC3001(13))
24
V-LOCK PULSE
GENERATOR
SELECT
PG
SELECT
TP6205
(TO IC3501(1))
23
HEAD SW PULSE
REC CTL
/ TR MM
GENERATOR
(WITH 4 HEAD)
HEAD AMP
CONTROL
ROTARY
SIGNAL
GENERATOR
(TO IC3001(49))
98
ROTARY SW
HEAD AMP
SELECT
SLOW
SIGNAL
(TO IC3501(32))
/STILL 99
GENERATOR
HEAD AMP SW
CONTROL
(FROM IC3501(33))
100
ENVELOPE DET