Read Sharp LC-52XL1E (serv.man5) Service Manual online
LC-46XL1E/RU, LC-52XL1E/RU
5 – 4
2. IC201: VHiTDA9886+-1
IF-PLL DEMODULATORS
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.
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