AUDIO CONTROL HEAD UNIT
P4092
2
CONTROL
P4092
HEAD
4
CAPSTAN STATOR C.B.A.
CAPSTAN
COIL
IC2501 (CAPSTAN MOTOR DRIVE)
Q2501
HALL
4
25
TRANSIS-
3
CAPSTAN
TOR
24
MOTOR
DRIVE
Q2502
22
HALL
POSITION
6
TRANSIS-
SIGNAL
5
10
TOR
PROCESS
DIFFER-
7
ENTIAL
Q2503
AMP
HALL
2
12
TRANSIS-
1
TOR
IC2505
2
MR HEAD
3
GND
CYLINDER UNIT
HALL
IC
CYLINDER
MOTOR
MAIN C.B.A.
TP6206
P4002
5
P4002
6
1/2 Vcc
TP6203
TP6209
INTEGRATION
P2502
P6201
4
4
P2502
P6201
10
10
P2502
P6201
8
8
P2502
P6201
9
9
IC2601 (CYLINDER MOTOR DRIVE)
P6202
7
5
PG/FG PULSE
4
GENERATOR
P6202
6
3
P6202
1
6
P6202
CYLINDER
2
9
INTEGRATION
MOTOR
7
DRIVE
P6202
16
8
IC6001 (SERVO MICROCONTROLLER)
75
REC CTL
AMP
74
PB-ON
NEGATIVE PB
+
-
CTL SLICER
+5V
72
69
70
POSITIVE PB
TP6207
76
CTL SLICER
CAP REV(H)/ STOP(M)/ FWD(L)
21
SELECT
COUNT
SCHMIT
DOWN
67
68
AMP
33
PG
TP6201
SELECT
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
SLOW
34
/STILL
CONTROL
CAP TORQUE LIMIT
20
TP6202
TP6003
(FROM IC3001(20))
ENVELOPE
ENVELOPE
78
DETECTOR
VOLTAGE
V-LOCK
(TO IC3001(93))
PULSE
24
V-LOCK PULSE
GENERATOR
TP6205
(TO IC3001(49))
23
HEAD SW PULSE
REC CTL
/ TR MM
GENERATOR
(WITH 4 HEAD)
HEAD AMP
CONTROL
ROTARY
SIGNAL
GENERATOR
(TO IC3001(28))
98
ROTARY SW
HEAD AMP
SELECT
SIGNAL
(TO IC3001(50))
99
GENERATOR
HEAD AMP SW
(FROM IC3001(33))
100
ENVELOPE DET