DSR-4.8
IC BLOCK DIAGRAM/ TERMINAL DESCRIPTION-3-2
Q1351 : BH7868FS (6ch 75 ohm Driver)
PIN No.
1
16
2
3
4
11
13
15
5
14
6
8
11
7
9
10
12
19
22
25
28
17
18
20
21
23
24
26
27
29
30
31
32
Terminal Name
Vcc1
Vcc2
S1
S2
CIN
Py/G IN(BIAS)
Pb/B IN
Pr/R IN
MUTE1
MUTE2
CVIN
YIN
Py/G IN (CLAMP)
SEL (CV/MIX)
BIAS
SEL
(CLAMP/BIAS)
GND1
GND2
GND2
GND2
GND2
Pr/R OUT SAG
Pr/R OUT
CV OUT
S-DC OUT
COUT
Function
Power supply terminal
Vcc1 is power supply for Y,C,MIX.
Vcc is power supply for Py/G,Pb/B,Pr/R.
S1/S2 select terminal.
Signal input terminal/
CIN: Croma signal
Py/G IN(BIAS): G signal
Pb/B IN: Component or B signal.
Pr/R IN: Component or R signal.
Mute select.
Signal input terminal.
CVIN: Composite video signal.
YIN: Liminance signal.
Py/G IN(CLAMP): Luminance signal.
CV or MIX select.
BIAS
Clamp or Bias select for Py/G amp..
GND. GND2 is GND for 75 ohm driver.
Component or R signal output.
Component or R signal. SAG compensation terminal.
CLAMP MODE
Luminance signal output.
BIAS MODE
G signal output.
Luminance/G signal
SAG compensation terminal.
Luminance signal output.
Luminance signal SAG compensation terminal.
S1/S2 DC out.
Croma signal output terminal.
Teminal
Voltage
5V
0V
2.2V
0V
1.3V
0V
2.2V
0V
0V
2.2V
2.2V
0.9V/2.2V
CLAMP/BIAS MODE
0.9V
4.6V
2.1V
0V
2.2V
TERMINAL DESCRIPTION
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9
2
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4
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9
8
TEL 13942296513
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9
2
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2
9
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6
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