Sharp DV-SL90UA Service Manual - Page 50

IC1403VIDEO DRIVER, IC2001 FRONT PANEL CONTROL, Signal, Function

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IC1403(VIDEO DRIVER) Pin Signal No. Name 1 C IN 2 BIAS 3 Y IN 4 VCC 5 Y OUT 6 CVBS OUT 7 C OUT 8 GND Function Chrominance Signal Input BIAS Luminance Signal(Interlace) Input VCC Luminance Signal Output Composite Video Signal Output Chrominance Signal Output GND IC2001 (FRONT PANEL CONTROL) Pin No. In/Out Signal Name Name Function 1 In FP-CLK Clock Input 2 In FP-STB Serial Interface Strobe 3 In K1 Key Data 1 Input 4 In K2 Key Data 2 Input 5 - VSS GND 6 - VDD Power Supply 7 Out a / KEY-1 Segment Output / Key Souce-1 8 Out b / KEY-2 Segment Output / Key Souce-2 9 Out c / KEY-3 Segment Output / Key Souce-3 10 Out d / KEY-4 Segment Output/ Key Souce-4 11 Out 12 Out 13 Out 14 Out 15 16 Out 17 18 19 20 Out 21 22 23 e f g h VEE i 7G 6G 5G 4G 3G 2G 1G Segment Output Pull Down Level Segment Output Grid Output 24 - VDD Power Supply 25 - VSS GND 26 In OSC Oscillator Input 27 Out FP-DOUT Serial Data Output 28 In FP-DIN Serial Data Input 1-14-2 E592BPIN

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1-14-2
E592BPIN
IC1403(VIDEO DRIVER)
IC2001 (FRONT PANEL CONTROL)
Pin
No.
Signal
Name
Function
1
C IN
Chrominance Signal Input
2
BIAS
BIAS
3
Y IN
Luminance Signal(Interlace)
Input
4
VCC
VCC
5
Y OUT
Luminance Signal Output
6
CVBS OUT
Composite Video Signal
Output
7
C OUT
Chrominance Signal Output
8
GND
GND
Pin
No.
In/Out
Signal
Name
Name Function
1
In
FP-CLK
Clock Input
2
In
FP-STB
Serial Interface Strobe
3
In
K1
Key Data 1 Input
4
In
K2
Key Data 2 Input
5
-
VSS
GND
6
-
VDD
Power Supply
7
Out
a / KEY-1
KEY-2
KEY-3
KEY-4
Segment Output / Key
Souce-1
8
Out
b /
Segment Output / Key
Souce-2
9
Out
c /
Segment Output / Key
Souce-3
10
Out
d /
Segment Output/ Key
Souce-4
11
Out
Out
Out
Out
e
Segment Output
12
f
13
g
14
h
15
-
VEE
Pull Down Level
16
O
ut
i
Segment Output
17
Out
7G
Grid Output
18
6G
19
5G
20
4G
21
3G
22
2G
23
1G
24
-
VDD
Power Supply
25
-
VSS
GND
26
In
OSC
Oscillator Input
27
Out
FP-DOUT
Serial Data Output
28
In
FP-DIN
Serial Data Input