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LC-42AD5E/RU/S
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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
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
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