TA1218N/F
2000-09-11 12/40
Pin
No.
Name Function
Interface
30
(28)
Y
in
This pin is for input a luminance
signal from an external comb filter.
The signal fed into this pin is
presented to Y
out
.
The input dynamic range of this pin
is 5.5 V
p-p
and the input resistance is
60 k
Ω
.
31
(29)
R
in
V2
This pin is for input a right audio
signal from an external source (V2
channel). This pin can also be used
for PIP signal input. The signal fed
into this pin is presented to R
out
1
and R
out
2.
The input dynamic range of this pin
is 6.5 V
p-p
and the input resistance is
70 k
Ω
.
32
(30)
C
in
This pin is for input a chroma signal
from an external comb filter. The
signal fed into this pin is presented
to C
out
.
The input dynamic range of this pin
is 5.5 V
p-p
and the input resistance is
60 k
Ω
.
This pin also functions as a audio
mute switch. The entire audio output
can be muted by pulling the voltage
on this pin below 2.25 V.
33
(33)
V
CC
This is the power supply pin. Apply 9
V to this pin. The current
consumption of this pin is 47 mA.
34
(34)
C
out
This pin is for output a chroma
signal. The signal fed into C
in
,
C
in
S1, C
in
S2, V
in
V1, V
in
V2,
Y/V
in
S1, Y/V
in
S2, or V
in
TV is
outputted from this pin. The output
resistance of this pin is 25
Ω
.
The same signal is also outputted
from Det Select as a sync
separation signal.
<Y
out
>
60 k
Ω
1.5 k
Ω
30
5.
2 V
(28)
<R
out
1>
70 k
Ω
1.5 k
Ω
31
5.
2 V
<R
out
2>
1.5 k
Ω
(29)
<C
out
>
60 k
Ω
1.5 k
Ω
32
5.
2 V
1.5 k
Ω
Sound
Mute
2.
25 V
(30)
34
100
Ω
C
out
SW
<Det Select>
1.5 k
Ω
1.
8 m
A
(34)
