JVC KS-FX711 Service Manual page 22

KS-FX711/KS-FX511
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Description of major ICs
AN80T05 (IC901) : Power regulator
1.Terminal layout & Block diagram
Reference Voltage
Thermal
Protection
Pre
Drive
1 2
TE
L 13942296513
ILL MODE2 MODE1
10V
2.Pin function
Pin
Symbol
No.
1 ILL10V
2 TUNER
3 FM/AM
4 PWR-CNT
5 5.6V
6 REMOTOE
7 MEMORY
8 NC
9 9V
10 AMVCC
11 FMVCC
12 GND
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ASO & Peak
Current Protection
AMP
Pre
Out
Drive
3 4 5
STB VDD AMP
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.
8.7V power supply.
The power supply of 8.7V to AM.
The power supply of 8.7V to FM.
Ground
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8
Pre
Drive
AMP
Out
6 7 8 9
Q Q
3 6 7 1 3
VCC ANT COM
8.7V
Function
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.
2 9 9 4 2 8
Pre
Drive
Pre
Drive
10 11 12
1 5 0 5 8 2 9 9 4
AM FM GND
8.7V 8.7V
m
co
9 9
2 8 9 9