Sony CCD-CCD-TRV49E, Service Manual, Page: 58 / 234

CCD-TR618/TR618E/TR718E/TR728E/TR818/TRV49/TRV49E/TRV58/
TRV58E/TRV59E/TRV68/TRV78/TRV78E/TRV88/TRV98/TRV98E
3-6. SERVO BLOCK DIAGRAM
3-13 3-14
( ) : Page No. shown in ( ) indicates the page to refer on the schematic diagram.
68 25
50
13
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
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-251 BOARD
IC402
IC451
IC001
IC151
IC101
CAMERA/VIDEO(2) BLOCK
IC451
IC451
IC001
IC001
B MECHA DECK
(4-56)
(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 KINUTA
MECHA FLD
MECHA VD
CAP FWD
CAP ON
DRUM ON
DRUM START
REC Y RF
REC C RF
ATF
REC ATF
PB ATF
D/A
A/D
(4-45)
REC RF
PB C RF
(4-50)
REC/PB
AMP
VIDEO
HEAD
CH SP1
CH SP2
LPF
LPF
PROTECT
(4-54)
LPF
(4/6)
0.25V
DRUM ERROR
CAP ERROR
VTR D/D ON
(IC503 )
OSC
PWM
PWM
SWITCHING
DRIVE
SWITCHING
DRIVE
OUTPUT
VCC 56
(4-61)
DRUM/CAPSTAN PWM DRIVE
MT UNREG
MT UNREG
MT UNREG
Q012
SWITCING
Q011
SWITCING
L005
L006
5
6
7
8
7
8
9
10
DRUM VS
DRUM ON
DRUM START
VTR UNREG
D 2.8V
VCC1 VCC2
COM
STBY
CONTROL
LOGIC
DRUM MOTOR DRIVE
(4-54)
(5/6)
VS
OUTPUT
DRIVE
BUFFER
OUTPUT
DRIVE
SELSLP2
RF
R408-410
DRUM DRIVE
CURRENT SENS
U
V
W
DRUM FG/PG WAVE SHAPER
(4-54)
(6/6)
DRUM FG
DRUM PG
WAVE
SHAPER
LPF
V REF
WAVE SHAPER
1
2
3
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
C HALL GND
U
V
W
VH+
VH-
VS
CAPSTAN MOTOR DRIVE
VCC
U IN 1
U IN 2
V IN 1
V IN 2
W IN 1
W IN 2
STBY
FRC
VTR UNREG
H1(+)
H1(-)
H2(+)
H2(-)
H3(+)
H3(-)
H1(+)
H1(-)
H2(+)
H2(-)
H3(+)
H3(-)
CAP ON
POWER
OFF
HE
POWER
C HALL VCC
CFG VCC
CFG(+)
CFG(-)
(2/2)
CAPSTAN FG
WAVE SHAPER
CAPSTAN FG
FRC
VCC1
FG OUT
OFFSET
ADJ
VCC2
STANDBY
CN707
CAP VS
VTR UNREG 9
D 2.8V
CAP ON
CAP FWD
RF SWP
CAP FG
CFG DUTY
(IC601 )
CAMERA/VIDEO(2)
CN713
(FOR CHECK)
3
4
10
1
2
(SEE PAGE 3-10)
(SEE PAGE 4-53)
X401
20MHz
D 2.8V
16
8
H
H
H
120
°
LOGIC
IC001 tk
0.75Vp-p
2.2
µ
sec
IC001 yf¢
0.75Vp-p
2.2
µ
sec
IC402
1
1.6Vp-p
20.0 MHz
IC402
rj
2.8Vp-p
25 Hz
IC451
ws
2.8Vp-p
30 Hz
IC451
qh
2.8Vp-p
5.6 msec
IC451 tj , tl , ya»
1.3Vp-p
5.6 msec
IC451
wg
50mVp-p
13
µ
sec
IC451 wk
80mVp-p
13
µ
sec