DV-500K-S
22
1
2
3
4
1
2
3
4
C
D
F
A
B
E
4.4 POWER BLOCK DIAGRAM
SWITCHING
TRANS
T501
P.
CON SW
PO
WER BLOCK DIA
GRAM
Q505
AC
IN
P.
CON+5V
AT
+3.3V
FL DC -
-28V
A
T+12V f
or m
ute
P.
CON+6V
P.
CON+12V
P.
ON-H
FL DC +
Q515
P
.CON +5V REG.
Q510
P.
CON +12V SW
Q504
FL + P
.CON SW
Q502
-28V P
.CON SW
VO
LT
A
GE CTL
IC501
KIA431A-A
T
PHO
T
O COUPLER
IC504
PS2561AL1-1-V (W)
PO
WER CTL
IC502
STR-A6151M
+6V REG
(D
VD MO
T
OR)
IC503
PQ070XF01SZH
REG+1.8V
IC4006
LM1117S-ADJ
+1.8V
REG+8V
IC6504
KIA78D08F-R
TF/P
+8V