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VS-99 (SERVO/SYSTEM CONTROL) SCHEMATIC DIAGRAM
-Ref. No.
VS-99
BOARD: 3,000 series-
• Refer to page 7 4 for printed wiring board.
VS-99
BOARD
!515l
@
r
~
~~r-p
I+- H--\
IC501
@
REC/PB
@JlJLJt.1·
~22psec-o{
IC501
@
REC/PB
@
JlJLJt.1·
fo-22psec-o{
IC501
@
REC/PB
@
n
n
--;J;"P
J
LJ L_i
I--
2
v--I
IC501
~
REC/PB
®-,
I
t5J
:
~
I
t
1
1.6Vp-p
•
.
i
1---
2
v
--1
I C 504
@,(j)
PB
@
UHl t M
mH··
J--6psec--\
IC504
®
REC/PB
@~±·
I+-2V--\
IC504
@
PB
®~!r-·
l-6psec-\
IC504
@
REC
®W\MNVl·-·
11.7
MHz
IC504
@
REC/PB
@
BmVp-p
l_
~6psec
IC504
@
PB
@
IJ\JIJIL1·
~2.2msec
IC502
@,@,@
REC/PB
Note: The
component~
identified by mark
&,
or dotted
line with mark
ffi
are critical for safety.
Replace only with part number specified.
·SIGNAL PATH
VIDEO Signal
AUDIO
CHROMA
y
Y/CHROMA
Signal
REC
..
~
..
PB
c::»
t:::>
-----
REG
REC/PB
PB
Drum speed servo
eo-
Drum phase serbo
~
Drum servo (speed and phase)
~
Capstan speed servo
Capstan phase servo
D>
Capstan servo (speed and phase)
~}}
Ref. signal
•
~
D
~91-
A
B
c
D
E
Fl
I
G
I
H
J
K
L
M
N
p
1
2
3
V5-99 BOARD (5/5)
no mark: REC/PB mode
( l : REC mode
<
> :
P B mode
«
ll : CAMERA REC mode
1Jc5)
0502
CAM
15V, -8.5V SWITCH
IJ-5 l
0503
CAM
15V,- 8,5V SWITCH
1J-5 l
0501
CAM
15V,-8,5V SWITCH
c~5~1 t
J
-4 )
-
...;.,.._
JL401
CAM SV
'I~
JL402
-
-4
4
(See page 84)
TO VS-99
BOARD (3/5)
1 \
>
"'
~
>
w
x
47
8. SV
2
-""
JL~
J.
T"'f'i"
-
D 4V
3
-y-
JL.,.
-
15V
4
:::;;:,.. JL405
5
-
D 5V
I I
1
-
D 5V
6
-
CAM GN£
7
J
I
I
-
CAM GND
8
JL407
-
VTRGN£
9
-
VTAGN{)
10
Jl416
FD3
-
LANC 51G
11
---.:!!V
JL417
Fo2_)
-
LANC £JC
12
Jl418
51
j
-
CAM*STBY
13
-.:!!V
JL419
szj
-
CAM*STBY R
I
-----..- JL420
53
-
START/STOP
15
JL421
54
-
EJECT
1 b
~
1 ~
HPL
J
-
HEAD PHONE L 17
~
.....
_j_ _j_
HPR
-
HEAD PHONE R 18
......
::Ivoo4
-
H PHONE GNfl
19
JL422
I
-
VIDEO 5V 20
">"
.J>..
I 1
-
VIDEO SV
21
~-
TO DD-55
-
55 5V 22
::;>L424
_j
vooJ
BOARD
-
AU SV
23
..,... • ""'
CN451
-
EVF SV
2
4
JL426
VfHl2
-
5
..Joo..
"Y'
_1~
'Ill
...1--1-
EYF UNREG
25
CSee page 126)
-
UNAEG GND 26
-
-
-
-
-
-
-
-
-
-
-
-
-
-
UNAEG GN£1
27
JL426
..::t,_
VTR UNREG 28
~
"'-4110_
CAM SV CONT
zg
---JL409
30~
VTA ON
CAP ON 31
£RUM VS
32
tiRUM V
5
33
CAP V
s
34
CAP V
5
35
MOTOR GN
0
36
MOTOR GN
0
37
CAP ERRO R 38
tlRUM ERRO
R 39
.
GND
40
JL411
:-;;t..
~
:r,
JL412
JL413
J4-""
JL414
I,~
~JL415~ ......
::::::::::1
~
~
=<
0
,_
"'
<
~~~
~
...._
~1~1 ~~~
~
~~' 1-INI~I~I"'I~I~Ioolml~
IH-8ll~~~j~~~~~~~~~§ ~~~~~~~;~~
3;~~=e:~
ffiffil.I..O:U
4J
a::
:;:r.
N -
"'
18
"
0
w
0
>
I I I I I I I I II I I
- I
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