KS-FX483R,KS-FX480R,KS-FX43R
1-16 (No.49812)
SECTION 4
Description of major ICs
4.1 AN80T05LF (IC961) : Regulator
• Pin layout & Block diagram
• Pin function
Pin No.
Symbol
Function
1
ILL
10V power supply for illumination.
2
MODE2
When 5V is input, becomes AM. and the antenna output is turned on.
3
MODE1
When 5V is input, becomes AM. and the output of FM is switched.
4
STB
When 5V is input, outputs to ILL, COM, and AMP. It is 0V usually.
5.6V power supply.
Power supply supply to remote amplifier
Back up. connects with ACC with it.
Power supply supply to auto antenna.
8.7V power supply.
The power supply of 8.7V to AM.
The power supply of 8.7V to FM.
Pre
Drive
Thermal
Protection
Reference Voltage
Pre
Drive
AMP
Out
ASO & Peak
Current Protection
AMP
Out
Pre
Drive
Pre
Drive
Pre
Drive
1
2
3
4
5
6
7
8
9
10
11
12
ILL
10V
MODE2 MODE1
STB
VDD
5.6V
AMP
VCC
ANT
COM
8.7V
AM
8.7V
FM
8.7V
GND
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