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CPU
Iclol
Tuner
(k
lF&VIDEO
Q700
R767
100
Q711
w
, 4 IDENT(T.B.)
IDENT IN
TU
14
15
;
;;:'
;
:.;32
4
TUNING OUT
I
z
R706
5.6k
C746
R722
0.01
10k
\
R121
R123
68k
"Ok
I w
44 AFT
z
:.;:$
AFTIN
11
4
R780
150k
\
Input Signal
Pin 11
AFT S-Curve
of IC701
Input
Pin 14
of IC701
Pin 15
of IC701
Tuning Voltage
Ident
Signal Input
/
\
3.5V
3.OV
2.OV
,
1.5V
,:,
,,),
Ov
,,,
,
,!.
.,.
' Tuned point
I Imut Voltacie Level
of
Pin 11
I
Judgement
LL(oV-1 .5V)
Tuning Voltage Down
L (1 .5V-2.OV)
Tuning Voltage Down
M (2. O-2.5V)
Tuned
H (2.5V-3.OV)
Tuning Voltage Up
HH(3.5V-5V)
Tunina Voltaue Up
-17-
AA1-A
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