1
8
DV-120-K
1
2
3
4
A
B
C
D
E
F
1
2
3
4
4.4 POWER BLOCK DIAGRAM
PO
WER BLOCK DIA
GRAM
AC
I
N
A
T+3.3
V
P
.CO
N
+6
V
P
.CO
N
+5
V
P
.CO
N
+12
V
P.
O
N
-H
V
OL
T
A
GE CTL
IC501
KIA431A-A
T
PO
WER CTL
IC502
STR-A6159M
+5
V
REG
(D
V
D MO
T
OR)
IC503
PQ070XF01SZH
REG+1.8
V
IC4006
LD1117AL-ADJ-AA3-A-R
+1.8
V
SWITCHI
N
G
TRA
N
S
T501
PHO
T
O COUPLER
IC504
PS2561AL1-1-
V
(W)
Q510
P
.CO
N
+12
V
SW