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KS-F171
4.5 AN80T05LF (IC781) : Regulator
• Pin layout & Block diagram
Reference Voltage
Thermal
Protection
Pre
Drive
1
2
ILL
MODE2 MODE1
10V
• Pin function
Pin No.
Symbol
1
ILL
2
MODE2
3
MODE1
4
STB
5
VDD
6
AMP
7
VCC
8
ANT
9
COM
10
AM
11
FM
12
GND
4.6 UPC1228HA (IC901) : Head amp
• Pin layout & Block diagram
AMP1
1
2
3
1-22 (No.49774)
ASO & Peak
Current Protection
AMP
Pre
Drive
3
4
5
STB
VDD
5.6V
10V power supply for illumination.
When 5V is input,becomes AM. and the antenna output is turned on.
When 5V is input,becomes AM. and the output of FM is switched.
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.
Ground
AMP2
4
5
6
7
8
Pre
Out
Drive
AMP
Out
6
7
8
AMP
VCC
ANT
Function
• Pin function
Pin No.
1
2
3
4
5
6
7
8
Pre
Drive
9
10
11
COM
AM
FM
GND
8.7V
8.7V
8.7V
Symbol
Input 1
Negatice feed back 1
Output 1
Power supply; +Vcc
Ground
Output 2
Negative feed back 2
Input 2
Pre
Drive
12
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