Sharp DV-L78U Service Manual page 46

DV-L78U
9-21. IC2102 TK15400
• Block Diagram
9-22. IC3200 IX1625GE
Pin No. I/O Terminal name
1 – NC
2 O BLK
3
4 – NC
5 I HSYNC
6 I VSYNC
7 I SCLK
8 O SOUT
9 I SIN
10 I SYNC
11 I PLLD
12 O PLCS
13 O PCLK
14 O POUT
15 I SAFE
16 O RGB
17 O MICS
18 O POW
19 I PIN
20 O K3
21 – NC
22 O K2
23
24 O NC
25 I K1
26 I K0
27 I S3
28 I S2
29 I S1
30 I S0
Vcc=5.0V
Y-INPUT
4.7µF
2
+
75Ω
Clamp
1.25V
Standby
Reference
&
5
Standby
Logic
Clamp
1.25V
BIAS
2.0V
C-Input
100kΩ
4.7µF
6
+
75Ω
3
Operation function
Blanking signal output
Horizontal sync signal input
Vertical sync signal input
Serial clock input
Serial data output
Serial data input
Composite sync signal input
TVPLL lock signal input
TVPLL load EN output
Clock output for inner communication
Data output for inner communication
Not used. "H"
Not used. "L"
READY output
Power on/off control output
Data input for inner communication
Not used.
Key matrix output2
Key matrix output1
Key matrix output0
Key matrix input3
Key matrix input2
Key matrix input1
Key matrix input0
Vcc
+
33µF
1
12
1.5kΩ
11
5kΩ 5kΩ
10
1.5kΩ
9
5kΩ 5kΩ
8
4 7
GND
46
Y-OUTPUT
Vout 2.0Vp-p
+
33µF
75Ω
75Ω
+
33µF
CVBS-OUTPUT
Vout 2.0Vp-p
+
33µF
75Ω
75Ω
+
33µF
C-OUTPUT
Vout 1.3Vp-p
+
75Ω
33µF
75Ω
Remarks
To LCD decoder IC
From LCD decoder ICFrom LCD decoder IC
From LCD decoder IC
From DVD system computer
To DVD system computer
From DVD system computer
From LCD decoder IC
From TV tuner
To TV tuner
2
To TV tuner, E PROM, and DAC IC
To TV tuner, E 2 PROM, and DAC IC
From DVD system computer
To DCDC converter
2
From E PROM
To operation panel