Panasonic Quasar Omnivision PVQ-1311 Service Manual page 197

SERVO BLOCK DIAGRAM
AUDIO CONTROL HEAD UNIT
P4092
5
CONTROL
HEAD P4092
6
CAPSTAN STATOR C.B.A.
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
IC2505
2
MR HEAD
3
HEAD AMP C.B.A.
CYLINDER UNIT
P3501
4
HALL
IC P3501
6
P3501
3
P3501
2
P3501
1
CYLINDER
MOTOR
HEAD AMP C.B.A. TV/VCR MAIN C.B.A.
P4091 P2601 P6202
5 5 5
P4091 P2601 P6202
6 2 2
25
CAPSTAN
MOTOR 24
TP6209
DRIVE
22
P2502 P6201
10
4 4
DIFFER-
P2502 P6201
ENTIAL 7
10 10
AMP
P2502 P6201
12
8 8
P2502 P6201
9 9
GND
IC2601 (CYLINDER MOTOR DRIVE)
P2601 P6202
7
9 9 PG/FG PULSE
GENERATOR
P2601 P6202
6
7 7
P2601 P6202
1
10 10
P2601 P6202 CYLINDER
2
MOTOR
11 11
DRIVE
P2601 P6202
16
12 12
IC6001 (SERVO MICROCONTROLLER)
84
83
PB-ON
POSITIVE PB
- +
CTL SLICER
AMP
NEGATIVE PB
TP6207
85
CTL SLICER
24 CAPSTAN DIRECTION CONTROL
COUNT
SCHMIT
DOWN
TP6203
76
77 AMP
INTEGRATION
37
TP6201
PWM
CAPSTAN SPEED
COMPENSATOR
MIX
CYLINDER/ CAPSTAN
PHASE COMPENSATOR
MIX
CYLINDER SPEED
PWM
COMPENSATOR
PG/ FG
4 74
SEPARATOR
FORCED ACCELERATION
25
9 INTEGRATION 38
CAP TORQUE LIMIT
23
TP6211 TP6202
TP6003
REC CTL
ENVELOPE
AMP 92
DETECTOR
V-LOCK
PULSE
27
GENERATOR
SELECT
PG
SELECT
TP6205
26
REC CTL
/ TR MM
GENERATOR
55
HEAD AMP
CONTROL
ROTARY
HEAD SW
SIGNAL
SIGNAL
GENERATOR
110
GENERATOR
HEAD AMP
SELECT
SLOW
SIGNAL
/STILL 111
GENERATOR
CONTROL
112
(FROM IC3001(40))
ENVELOPE
VOLTAGE
(TO IC3001(13))
V-LOCK PULSE
(TO IC3501(1))
HEAD SW PULSE
(FROM IC3001(25))
VIDEO
(TO IC3001(49))
ROTARY SW
(WITH 4 HEAD)
(TO IC3501(32))
HEAD AMP SW
(FROM IC3501(33))
ENVELOPE DET