JVC KD-S785 Service Manual page 27

AN80T07 (IC901) : Regulator
1.Pin layout
1
2.Block diagram
MODE1
*ASO,Peak Current Protection.
*Thermal Protection (Except
VDD,Comp output).
Outputs
Pre
Driver
1
14 11
15
ILM ILM MODE2
SW5V Out
10V AJ
3.Pin functions
Pin No. Symbol
1 SW5V Output
2 COMP Output
3 ACC Input
4 VDD Output
5 NC
6 MODE1
7 CD Output
8 EXT Output
9 VCC
10 ANT Output
11 MODE2
12 BATT,DET
13 Audio Output
14 ILM AJ
15 ILM Output
16 GND
16
6
Reference Voltage
EXT
Pre
Out
Driver
ANT
Out
4 8 9
Vcc
VDD EXT
5.7V
Function
When Mode 1 pin is "M","H" SW output is VDD -0.7V
When ACC input pin is "H" COMP Output is VDD -0.7V
L:COMP Output OFF and H:COMP Output ON
5.7V Output voltage for a microcontroller
NC pin
3 Input "L","M","H" control pin
When Mode 1 pin is "H" CD output is 8V
When Mode 1 pin is "M","H" EXT output is VCC -1.0V
Connected to car BACKUP Power supply.
When mode 2 pin is "H" ANT output is Vcc -1.0V
L:ANT output OFF and H:ANT Output ON
NPN Trs open collector Output
When Mode 1 pin is "M","H" Audio output is 9V
ILM output adjustable pin
When Mode 1 pin is "M","H" ILM output is 10V
Connect to IC substrate
ACC
3
Pre
Driver
10
12
7
ANT CD COMP
BATT.DET
8.0V
No.
5
Pre
Driver
13 16
2
AUDIO GND
9.0V
KD-S785
1-27