Sharp LC-32RD2 Service Manual page 74

LC-32RD2E/S/RU, LC-37RD2E/S/RU
2. Detailed ICs Information
2.1. IC201 (VHiTDA9886+-1Y)
2.1.1 Block Diagram
2.1.2 Pin Connections and short description
Pin No. Pin Name
1 VIF1
2 VIF2
3 OP1
4 FMPLL
5 DEEM
6 AFD
7 DGND
8 AUD
9 TOP
10 SDA
11 SCL
12 SIOMAD
13 N.C
14 TAGC
15 REF
16 VAGC
17 CVBS
18 AGND
19 VPLL
20 VP
21 AFC
22 OP2
23 SIF1
24 SIF2
I/O
I VIF differential input1
I VIF differential input2
O Output1 (open-collector)
— FM-PLL for loop filter
O De-emphasis output for capacitor
I AF decoupling input for capacitor
— Digital ground
O Audio output
— Tuner AGC TakeOver Point (TOP)
I/O I2C-bus data input/output
I I2C-bus clock input
O Sound intercarrier output and MAD select
— Not connected
O TAGC14tuner AGC output
I 4MHz crystal or reference input
— VIF-AGC for capacitor
O Video output
— Analog ground
— VIF-PLL for loop filter
— Supply voltage (+5 V)
O AFC output
O Output2 (open-collector)
I SIF differential input1
I SIF differential input2
Pin Function
5 – 3