7
AG-520VDH
AUDIO CONTROL HEAD UNIT
CONTROL
HEAD
P4092
5
P4092
6
P4002
5
P4002
6
CAPSTAN MOTOR ASS'Y
CAPSTAN
MOTOR
COIL
HALL
ELEMENT
HALL
ELEMENT
HALL
ELEMENT
CAPSTAN
FG HEAD
PIN
3
PIN
6
PIN
7
PIN
5
P6201
3
P6201
6
P6201
7
P6201
5
94
95
+
-
PB-ON
IC6001 (SERVO MICROCONTROLLER)
IC6201 (CYLINDER MOTOR DRIVE)
POSITIVE PB
CTL SLICER
AMP
CAPSTAN DIRECTION CONTROL
SCHMIT
AMP
COUNT
DOWN
NEGATIVE PB
CTL SLICER
SELECT
PG
SELECT
PWM
MIX
CAPSTAN SPEED
COMPENSATOR
CYLINDER/ CAPSTAN
PHASE COMPENSATOR
MIX
CYLINDER SPEED
COMPENSATOR
PWM
REC CTL
/ TR MM
GENERATOR
PG/ FG
SEPARATOR
CAP TORQUE LIMIT
HEAD SW
SIGNAL
GENERATOR
SLOW
/STILL
CONTROL
TP6202
INTEGRATION
INTEGRATION
TP6208
(FROM IC3001(29))
VIDEO
(TO IC3001(80))
HEAD SW PULSE
TP6205
(TO IC3001(28))
V-LOCK PULSE
(FROM IC3001(83))
ENVELOPE VOLTAGE
TP6003
ENVELOPE
DETECTOR
V-LOCK
PULSE
GENERATOR
REC CTL
AMP
77
97
74
87
76
TP6203
D6201
D6202
TP6201
TP6209
TP6207
56
9
13
18
MAIN C.B.A.
PG
COIL
CYLINDER
MOTOR
P6202
7
P6202
6
P6202
3
P6202
4
P6202
2
P6202
1
CYLINDER UNIT
CAPSTAN
MOTOR
DRIVE
PG/FG PULSE
GENERATOR
TP6206
DIFFERENTIAL
AMP
POSITION
SIGNAL
PROCESS
90
86
14
18
15
16
22
23
25
20
CYLINDER
MOTOR
DRIVE
11
10 ms
V1
4 Vp-p
2 V
1 ms
V1
3 Vp-p
2 V
10 ms
V1
5 Vp-p
2 V
10 ms
V1
2 Vp-p
1 V
1 V
0.5 ms
V1
4.80 Vp-p
SERVO BLOCK DIAGRAM
SERVO BLOCK DIAGRAM
AG-520VDH
71
Summary of Contents for AG520VDH - COMB. DVD/VCR/TV
Page 7: ...4 ABOUT LEAD FREE SOLDER PbF 7 AG 520VDH ...
Page 9: ...Fig 1 6 9 AG 520VDH ...
Page 16: ...5 1 14 WIRE AND LEAD POSITION DIAGRAM Fig 12 16 AG 520VDH ...
Page 18: ...5 2 MAINTENANCE CHART 18 AG 520VDH ...
Page 20: ...Fig D2 20 AG 520VDH ...
Page 21: ...Fig D3 21 AG 520VDH ...
Page 22: ...Fig D4 22 AG 520VDH ...
Page 35: ...7 4 TEST POINTS AND CONTROL LOCATION 35 AG 520VDH ...
Page 36: ...36 AG 520VDH ...
Page 60: ...AG 520VDH 60 ...
Page 78: ...AG 520VDH 78 ...
Page 79: ...11 EXPLODED VIEWS 11 1 MECHANISM SECTION AG 520VDH 79 ...
Page 80: ...11 2 DVD SECTION AG 520VDH 80 ...
Page 81: ...11 3 CHASSIS FRAME SECTION 1 AG 520VDH 81 ...
Page 82: ...11 4 CHASSIS FRAME SECTION 2 AG 520VDH 82 ...
Page 83: ...11 5 CHASSIS FRAME SECTION 3 AG 520VDH 83 ...
Page 84: ...11 6 PACKING PARTS AND ACCESORIES SECTION AG 520VDH 84 ...