CCD-TRV107/TRV108/TRV308/TRV408/TRV608
3-15
3-16
3-7. SERVO BLOCK DIAGRAM
( ) : Page No. shown in ( ) indicates the page to refer on the schematic diagram.
68
25
50
26
62
61
79
78
47
44
85
87
7
49
6
11
80
19
97
95
+
96
98
89
94
69
28
29
14
15
17
30
21
22
13
11
10
64
1
58
9
42
63
6
1
10
5
2
16
22
18
19
20
8
61
59
57
29
30
32
27
1
2
64
25
115
117
116
109
118
111
120
101
100
27
28
33
34
VC-272 BOARD
IC402
IC451
IC001
IC151
IC101
CAMERA/VIDEO(2) BLOCK
IC451
IC451
IC452
IC452
M2100 MECHA DECK
(4-48)
(2/2)
SERVO
DRUM SERVO
CAPSTAN SERVO
DRUM PWM
DRUM FG
DRUM PG
CAP PWM
CAP FG
VTR/CAMERA CONTROL
CFG HMS
X0
X1
VDD
AVRH
A VDD
VDD
VDD
16
ATF SAMPLE
SWP
XVC SCK
VC SO
VC SI
XCS IC151
MECHA FLD
MECHA VD
CAP FWD
CAP ON
DRUM ON
DRUM START
93
DRUM BRAKE
REC Y RF
REC C RF
ATF
REC ATF
PB ATF
D/A
A/D
(4-38)
REC RF
PB C RF
(4-42)
REC/PB
AMP
VIDEO
HEAD
CH SP1
CH SP2
LPF
LPF
PROTECT
(4-46)
LPF
(4/6)
0.25V
DRUM ERROR
CAP ERROR
VTR D/D ON
(IC503 )
OSC
PWM
PWM
SWITCHING
DRIVE
SWITCHING
DRIVE
OUTPUT
VCC 56
(4-53)
DRUM/CAPSTAN PWM DRIVE
MT UNREG
MT UNREG
MT UNREG
Q012
SWITCING
Q011
SWITCING
L005
L006
5
6
7
8
5
6
7
8
9
10
9
10
DRUM VS
DRUM ON
DRUM START
VTR UNREG
D 2.8V
VCC1 VCC2
COM
STBY
CONTROL
LOGIC
DRUM MOTOR DRIVE
(4-46)
(5/6)
VS
OUTPUT
DRIVE
BUFFER
OUTPUT
DRIVE
SELSLP2
RF
R458-460
DRUM DRIVE
CURRENT SENS
U
V
W
DRUM FG/PG WAVE SHAPER
(4-46)
(4-45)
(4-45)
(6/6)
DRUM FG
DRUM PG
WAVE
SHAPER
LPF
V REF
WAVE SHAPER
1
2
3
1
2
3
4
4
CN706
COM
U
V
W
FG
FG-PG-COM
PG
FG
PG
M901
DRUM MOTOR
(1/2)
M902
CAPSTAN MOTOR
CAP U
CAP V
CAP W
VH+
U
V
W
VH+
VH-
VS
CAPSTAN MOTOR DRIVE
VCC 2
U IN 1
U IN 2
V IN 1
V IN 2
W IN 1
W IN 2
STBY
FRC
POWER
OFF
HE
POWER
VH–
FG VCC
(2/2)
CAPSTAN FG
WAVE SHAPER
CN707
AN FG
CAP VS
VTR UNREG
D 2.8V
CAP ON
CAP FWD
RF SWP
CAP FG
CFG DUTY
(IC601 )
CAMERA/VIDEO(2/2)
CN713
CPC
(FOR CHECK)
(PAGE 3-10)
(PAGE 4-30)
X401
20MHz
D 2.8V
16
8
H
H
H
120
ϒ
LOGIC
DRUM BRAKE
BRAKE
2
16
17
18
19
20
21
15
14
3
5
7
9
10
11
HU 1
HU 2
HV 1
HV 2
HW 1
HW 2
HU 1
HU 2
HV 1
HV 2
HW 1
HW 2
FG 2
FG 1
VCC 2
23
22
24
2
13
14
16
18
9
10
11
12
8
15
16
17
18
19
20
21
22
6
7
5
7
6
5
4
3
2
1
17
13
14
9
10
11
12
IC402
1
REC/PB
2.3Vp-p
50 nsec
IC402
rj
REC/PB
2.9Vp-p
33.3 ms
IC451
wk
REC/PB
100mVp-p
13
µ
sec
IC451
wg
REC/PB
80mVp-p
13
µ
sec
IC001
tk
REC/PB
0.75Vp-p
2.4
µ
sec
IC001
yf
REC/PB
0.75Vp-p
2.4
µ
sec
IC451
tj
,
tl
,
ya
REC/PB
1.3Vp-p
5.6 msec
IC451
qh
REC/PB
2.8Vp-p
5.6 msec
IC451
ws
REC/PB
2.8Vp-p
33.3 msec