-56-
9V
16V
6.25V
DELAY
ABNORMAL
VOL. DET.
LATCH
START
LOGIC
OC-RC
OSC
CONTROL
REF
OSC
3
2
1
ABNORMAL
TEMP. DET.
PC612
PC611
D652
D651
IC652
D655
T621
6
5
4
3
2
1
6
5
4
3
2
1
1
2
3
PROTECTION
8
9
15
2
1
14
12
10
4
5
6
11
7
Vcc
FET
FET
CONT
G (L)
G (H)
OUT
Vin
VOLTAGE CONTROL
ABNORMAL VOLTAGE DETECT
-6V
<FF>
STR-Z2156
Switching regulator
FA7612CN PWM POWER CONTROL
OUTPUT
VOLTAGE
CONTROL
SIGNAL
ON/OFF
SIGNAL
●
●
●
VOLTAGE CONTROL OUT
<FF>