7
PV-DF204/PV-DF2004/PV-DF2004-K/PV-DF274/PV-DF2704/PV-DF2704-K
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
HEAD AMP
CONTROL
ROTARY
SIGNAL
GENERATOR
HEAD AMP
SELECT
SIGNAL
GENERATOR
PG/ FG
SEPARATOR
CAP TORQUE LIMIT
HEAD SW
SIGNAL
GENERATOR
SLOW
/STILL
CONTROL
TP6202
INTEGRATION
INTEGRATION
TP6208
(TO IC3501(32))
HEAD AMP SW
(FROM IC3501(33))
ENVELOPE DET
(TO IC3001(49))
ROTARY SW
(FROM IC3351(2))
VIDEO
(TO IC3501(1))
HEAD SW PULSE
TP6205
(TO IC3001(13))
V-LOCK PULSE
(FROM IC3001(40))
ENVELOPE VOLTAGE
TP6003
ENVELOPE
DETECTOR
V-LOCK
PULSE
GENERATOR
REC CTL
AMP
77
97
74
87
76
TP6203
D6201
D6202
TP6201
TP6209
TP6207
56
17
16
15
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
Summary of Contents for PVDF204 - DVD/VCR/TV COM
Page 11: ...Fig 1 5 11 ...
Page 12: ...Fig 1 6 12 ...
Page 25: ...Fig D2 25 ...
Page 26: ...Fig D3 26 ...
Page 27: ...Fig D4 27 ...
Page 28: ...6 1 1 1 Notes in chart 1 Removal of VCR DVD Ass y Fig D5 28 ...
Page 48: ...7 4 TEST POINTS AND CONTROL LOCATION 48 ...
Page 51: ...11 2 DVD SECTION 51 ...
Page 52: ...11 3 CHASSIS FRAME SECTION 1 Model A B C D E F 52 ...
Page 53: ...11 4 CHASSIS FRAME SECTION 2 53 ...
Page 54: ...11 5 CHASSIS FRAME SECTION 3 54 ...
Page 55: ...11 6 PACKING PARTS AND ACCESORIES SECTION 55 ...