SERVO BLOCK DIAGRAM
P3502
4
P3502
1
PIN
4
PIN
1
CAPSTAN
FG HEAD
DD CAPSTAN
MOTOR
DD CYLINDER
MOTOR
P3502
2
PIN
2
P3502
3
PIN
3
P3502
8
PIN
8
P3502
6
PIN
6
HALL
IC
P2502
3
P2502
12
PIN
3
PIN
12
P2502
13
PIN
13
P2502
11
PIN
11
P2502
5
PIN
5
P2502
6
PIN
6
P2502
8
PIN
8
P2502
9
PIN
9
P2502
1
PIN
1
P2502
15
PIN
15
P2503
6
P1541
6
P2503
5
P1541
5
C2610
CYLINDER
MOTOR
DRIVE
PG/FG PULSE
GENERATOR
C2611
VCC
IC2601
16
2
1
17
8
9
7
15
P3501
2
P3501
3
P3001
2
P3001
3
HALL
IC
C2509
19
20
21
22
23
24
HALL
IC
C2510
HALL
IC
C2511
2
5
8
CAPSTAN
MOTOR
DRIVE
DIFFERENTIAL
AMP
POSITION
SIGNAL
PROCESS
VCC
+14V
3
7
4
1
6
3
4
5
2
P2501
7
P6201
7
P2501
9
P6201
9
P2501
11
P6201
11
P2501
5
P6201
5
P2501
17
P6201
17
P2501
18
P6201
18
15
17
11
CONTROL
HEAD
+14V
R6202
R6204
1/2VCC
INTEGRATION
INTEGRATION
INTEGRATION
INTEGRATION
1/2VCC
R6219,C6205
R6206,R6214,R6222
C6201,C6204
58
60
61
D6201
C6209
+
-
R6207,R6215,R6218
C6202,C6206
R6209,C6203
(FROM VIDEO CIRCUIT)
V-SYNC
(TO HEAD AMP CIRCUIT)
HEAD AMP SW
(TO HEAD AMP CIRCUIT)
HEAD SW PULSE
(FROM HEAD AMP CIRCUIT)
ENVELOPE DET
(TO VIDEO CIRCUIT)
ROTARY SW
(FROM VIDEO CIRCUIT)
ENVELOPE VOLTAGE
(TO VIDEO CIRCUIT)
V-LOCK PULSE
PG SHIFTER
(HEAD SWITCH POSITION)
R6201
+5V
D6006
R6091
D
R6208
R6216
R6211
R6210
R6212
NEGATIVE PB
CTL SLICER
POSITIVE PB
CTL SLICER
SELECT
SCHMIT
COUNT
DOWN
PG
SELECT
CAPSTAN SPEED
COMPARATOR
CYLINDER SPEED
COMPARATOR
CYLINDER/CAPSTAN
PHASE COMPARATOR
FG
FG/PG
SEPARATOR
PG
H.SW SIGNAL
GENERATOR
ENVELOPE
DETECTOR
V-LOCK
PULSE
GENERATOR
REC CTL
/TR MM
GENERATOR
HEAD AMP
CONTROL
ROTARY
SIGNAL
GENERATOR
HEAD AMP
SELECT
SIGNAL
GENERATOR
SLOW
/STILL
CONTROL
POWER ON(L)
REC CTL
AMP
AMP
PWM
PWM
PWM
PWM
97
98
99
85
22
–1
BY PLACING A JUMPER BETWEEN
TP6003 AND +5V(TP6009),
THE AUTO TRACKING FUNCTION
WILL BE DEFEATED.
TP6003 Å–1
70
71
42
62
63
64
59
24
23
25
26
66
57
76
21
48
41
40
43
PB-ON
+5V
R6205
R6203
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
C
H
E
G
F
FORCED ACCELERATION
H-ROLL ACCELERATION
CAP TORQUE LIMIT
R6223
R6213
CAP
ON
CAP REV(H)/STOP(M)/FWD(L)
TP6205
NOT USED
C6212
D6203
D6202
C6207
75
TP6207
I
C6223
+
-
73
67
68
C6218
C6217
C6221R6229
1/2VCC(2.5V)
+-
+5V
+
-
1/2VCC
IC2502
IC2501
IC6001
Summary of Contents for PV-4601 A
Page 14: ...Fig 2 3 14 ...
Page 27: ...Fig 11 1 1 27 ...
Page 40: ...Fig D1 40 ...
Page 42: ...Fig D2 42 ...
Page 43: ...Fig D3 43 ...
Page 44: ...Fig D4 44 ...
Page 45: ...Fig D5 45 ...
Page 46: ...Fig D7 46 ...
Page 47: ...Fig D8 47 ...
Page 51: ...Fig M2 1 Fig M2 2 51 ...
Page 53: ...Fig M4 1 53 ...
Page 77: ...Fig M19 77 ...
Page 84: ...Fig J5 84 ...
Page 85: ...Fig J6 85 ...
Page 87: ...Fig J9 87 ...
Page 88: ...Fig J10 88 ...
Page 89: ...Fig J11 89 ...
Page 90: ...Fig J12 90 ...
Page 91: ...Fig J13 91 ...
Page 92: ...Fig J15 92 ...
Page 93: ...93 ...
Page 96: ...96 ...
Page 102: ...with the holes on the Pinch Lift Cam as shown in Fig A6 102 ...
Page 103: ...103 ...
Page 105: ...Fig K1 105 ...
Page 106: ...Fig K2 106 ...
Page 107: ...Fig K3 107 ...
Page 109: ...Fig B1 109 ...
Page 114: ...Fig E1 4 3 2 HOW TO READ THE ADJUSTMENT PROCEDURES 114 ...
Page 115: ...Fig E2 115 ...
Page 134: ...R6004 ERJ6GEYJ333V MGF CHIP 1 10W 33K 134 ...
Page 136: ...R6085 ERJ6GEYJ223V MGF CHIP 1 10W 22K 136 ...
Page 140: ...C4601 ECEA1CKA100 ELECTROLYTIC 16V 10 140 ...
Page 147: ...R6065 ERJ6GEYJ223V MGF CHIP 1 10W 22K 147 ...
Page 167: ...9 11 Operation Block Diagrams 1 167 ...
Page 178: ......
Page 204: ......
Page 205: ......