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Sharp VC-90ET - Page 64

Sharp VC-90ET
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VC-90ET
VC-SOET
RECORDING
LUMINANCE
BLOCK
DIAGRAM
K80q
FROM
SYSTEM
CTL
BLOCK
L
LEVEL
M
LEVEL
H
LEVEL
(0-1)
>
THROUGH
(2-3V)
:WHITE
SHORT
OF
(4-5)
‘BLACK
100%
fo
69
VIDE-V24277
/
DRUCK
6
J
C226
FM
Cll
bt
few
Lom
Hm
Haas
HES
1
'
43
u
t
4
'
'
t
Pc
5V
'
1
t
!
Mc213)
1
n
i
KB!
Keot
aa
:
Zi
H
ae
{
MPF
}
2:92
[a]
NTsc
3.58
tL)
[a>
a
i
'o204
!
\
t--p
+
SW
:
1
L9v
1
WPAN
H
H
H
PRE
Jw
1
AMP
'
™23v
}
1
(600mP-P)
i
\
poorer
cb
enn
nn
ede
nn
cer
crc
err
cre
cnn
4
1
'
1’
To
i
3.7v
---------
|
MAIN
BLOCK
\
ee
eg
'
'
1
3.4v
-----
'
VIDEO
OUTPUT
©
(300mVvp-p)
!
1
Be
ee
ee
ee
ee
en
ew
we
ee
wee
eee eee
+10.4508
1
¢
from
PIN@
i
10
PIN@
ESAS
Soe
Bs
ye
ie
ede
ee
ee
Be
ee
ne
ee
ee
ye
D203
ttVp-p)
5v
FROM
R218
MAIN
BLOCK
EE
LEVEL
ADJ.
FROM
MAIN
BLOCK
5v
R223
w.
CLIP
ADY.
FROM
SERVO
BLOCK
woe
eee
ne
ee
2
eR
-
RI--
'
1
\
w/o
:
CLIP
(IVp-p)
FROM
'
MAIN
BLOCK
FY
(3)
--
=
ween
wee
nee
TP2O1
c224
R228
OEV.
ADy.
SIG
60 SV
(Vp-p)
SYSTEM
CTL
BLOCK
1-7€9------4
1
engemet
4
:
c223
(1Vp-p)
i
!
287!
1
R231
!
GAIN
1
20
t
(I
Vp-p)
1
1
K803
FROM
1c201
VHIAN3248NK-—!
VIDEO
SIGNAL
PROCESSOR
70
Keo!
INV.
0213
TO
MAID
BLOCK
K80
67
se
ow
_(BIr
TO
HEAD
AMP.
cE
(3[
REC
FM
BLOCK
xB
[3)

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