Servo Block Diagram - Panasonic QUASAR PV-C1320 Service Manual

10.7. 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 GND
CYLINDER UNIT HEAD AMP C.B.A.
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
TP6203
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
IC2601 (CYLINDER MOTOR DRIVE)
P2601 P6202
7
9 9 PG/FG PULSE
4
GENERATOR
P2601 P6202
6
7 7
P2601 P6202
1
10 10
P2601 P6202 CYLINDER
2 9
MOTOR
11 11
DRIVE
P2601 P6202
16
TP6211
12 12
PVQ-1310 / PV-C1320 / PV-C1330W / VV-1300 / VV-1310W / PV-C1340 / PV-C1350W / PV-C2010 / PV-C2020 / PV-C2030W / VV-2000 / PV-C2060
IC6001 (SERVO MICROCONTROLLER)
86
85
PB-ON
POSITIVE PB
- +
CTL SLICER
AMP
NEGATIVE PB
TP6207 89
CTL SLICER
53 CAPSTAN DIRECTION CONTROL
SELECT
COUNT
95 SCHMIT
DOWN
94
93 AMP
INTEGRATION 10
TP6201 PG
SELECT
PWM
CAPSTAN SPEED
COMPENSATOR
MIX
CYLINDER/ CAPSTAN
PHASE COMPENSATOR
MIX
CYLINDER SPEED
PWM
COMPENSATOR
PG/ FG HEAD SW
97
SEPARATOR SIGNAL
GENERATOR
FORCED ACCELERATION
4
SLOW
INTEGRATION
9 /STILL
CONTROL
CAP TORQUE LIMIT
52
TP6202
95
TP6003
(FROM IC3001(40))
REC CTL
ENVELOPE
ENVELOPE
AMP 81
DETECTOR
VOLTAGE
V-LOCK
(TO IC3001(13))
PULSE
31
V-LOCK PULSE
GENERATOR
TP6205
(TO IC3501(1))
24
HEAD SW PULSE
REC CTL
/ TR MM
GENERATOR
(FROM IC3001(14))
100
V-SYNC
(WITH 4 HEAD)
HEAD AMP
CONTROL
ROTARY
SIGNAL
GENERATOR
(TO IC3001(49))
29
ROTARY SW
HEAD AMP
SELECT
SIGNAL
(TO IC3501(32))
30
GENERATOR
HEAD AMP SW
(FROM IC3501(33))
62
ENVELOPE DET