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Pin
9
Meaning TOP
Name
Radio
frequency
AGC
Voltage
Pin
17
Meaning CVBS
Name
Full
TV
signal
Voltage
The internal circuit diagram is as follows:
10
11
SDA
SCL
Bus data
Bus clock
18
19
AGND
VPLL
Analogue
Video
frequency
earth
phase
loop
12
13
SIOMAD NC
Audio
Null
carrier
beat
output
20
21
VP
AFC
+5V
AFC
power
output
lock
supply
13
14
15
T AGC
REF
Radio
4M
frequency
crystal
AGC
22
23
OP2
SIF1
Null
Differential
input
16
V-AGC
Video
frequency
AGC
Stabilized
voltage
capacitor
24
SIF2
Differential
input
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