LC-37XD1E/RU SUPPLEMENT
3 – 5
4. IC201: VHITDA9886+-1
IF-PLL DEMODULATORS
37 Vcc - Supply Voltage.
27, 46 Vss - Ground.
10, 13, 14 N.C. - Not Connected Internally.
Pin No. Pin Name I/O Pin Function
1 VIF1 I VIF differential input 1
2 VIF2 I VIF differential input 2
3 OP1 O Output port 1;open-collector.
4 FMPLL I FM-PLL for loop filter.
5 DEEM O De-emphasis output for capacitor.
6 AFD I AF decoupling input for capacitor
7 DGND - Digital ground.
8 AUD O audio output.
9 TOP I tuner AGC TakeOver Pint (TOP) for resistor adjustment.
10 SDA I/O I2C-bus data input and output.
11 SCL I I2C-bus clock input.
12 SIOMAD O sound intercarrier output and MAD select with resistor.
13 N.C. - not connected.
14 TAGC O tuner AGC output.
15 REF I 4 MHz crystal or reference signal input.
16 VAGC(1) I VIF-AGC for capacitor.
17 CVBS O composite video output.
18 AGND - analog ground.
19 VPLL I VIF-PLL for loop filter.
20 VP - supply voltage.
21 AFC O AFC output.
22 OP2 O output port 2; open-collector.
23 SIF1 I SIF differential input 1 and MAD select with resistor.
24 SIF2 I SIF differential input 2 and MAD select with resistor.
DEMODULATOR
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