Servo Block Diagram - Sony Handycam CCD-TRV107 Service Manual

CCD-TRV107/TRV108/TRV308/TRV408/TRV608

3-7. SERVO BLOCK DIAGRAM

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