Omnivision PVQ-130W Service Manual page 158

AUDIO CONTROL HEAD UNIT HEAD AMP C.B.A.
P4092 P4091
5
CONTROL
HEAD P4092 P4091
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 P2601
4 9
HALL
P3501 P2601
IC
6 7
P3501 P2601
3 10
P3501 P2601
2 11
P3501 P2601
1 12
CYLINDER
MOTOR
TV/VCR MAIN C.B.A.
P2601 P6202
5 5 5
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
IC2601 (CYLINDER MOTOR DRIVE)
P6202
7
9 PG/FG PULSE
GENERATOR
P6202
6
7
P6202
1
10
P6202 CYLINDER
2
MOTOR
11
DRIVE
P6202
16
12
IC6001 (SERVO MICROCONTROLLER)
86
85
PB-ON
+
-
AMP
TP6207
89
CAPSTAN DIRECTION CONTROL
53
SCHMIT
95
TP6203
94
AMP
93
INTEGRATION 10
TP6201
PWM
MIX
MIX
PWM
PG/ FG
4 97
SEPARATOR
FORCED ACCELERATION
4
INTEGRATION
9 9
CAP TORQUE LIMIT
52
TP6211 TP6202
REC CTL
ENVELOPE
AMP
DETECTOR
POSITIVE PB
CTL SLICER
V-LOCK
PULSE
GENERATOR
NEGATIVE PB
CTL SLICER
SELECT
COUNT
DOWN
PG
SELECT
CAPSTAN SPEED
COMPENSATOR
REC CTL
/ TR MM
CYLINDER/ CAPSTAN
GENERATOR
PHASE COMPENSATOR
CYLINDER SPEED
COMPENSATOR
HEAD AMP
CONTROL
ROTARY
HEAD SW
SIGNAL
SIGNAL
GENERATOR
GENERATOR
HEAD AMP
SELECT
SLOW
SIGNAL
/STILL
GENERATOR
CONTROL
TP6003
(FROM IC3001(40))
ENVELOPE
81
VOLTAGE
(TO IC3001(13))
31
V-LOCK PULSE
TP6205
(TO IC3501(1))
24
HEAD SW PULSE
(FROM IC3001(14))
100
V-SYNC
(WITH 4 HEAD)
NOT USED
(TO IC3001(49))
29
ROTARY SW
(TO IC3501(32))
30
HEAD AMP SW
(FROM IC3501(33))
62
ENVELOPE DET