Sharp AQUOS LC-37AD5E, Service Manual

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LC-37AD5E
5 – 3
2. Detailed ICs Information
2.1. IC201 (VHi-1Y)
2.1.1 Block Diagram
2.1.2 Pin Connections and short description
Pin No. Pin Name I/O Pin Function
1 VIF1 I VIF differential input1
2 VIF2 I VIF differential input2
3 OP1 O Output1 (open-collector)
4 FMPLL — 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 — Tuner AGC TakeOver Point (TOP)
10 SDA I/O I2C-bus data input/output
11 SCL I I2C-bus clock input
12 SIOMAD O Sound intercarrier output and MAD select
13 N.C — Not connected
14 TAGC O TAGC14tuner AGC output
15 REF I 4MHz crystal or reference input
16 VAGC — VIF-AGC for capacitor
17 CVBS O Video output
18 AGND — Analog ground
19 VPLL — VIF-PLL for loop filter
20 VP — Supply voltage (+5 V)
21 AFC O AFC output
22 OP2 O Output2 (open-collector)
23 SIF1 I SIF differential input1
24 SIF2 I SIF differential input2