16 Schematic Diagram for printing with A4 size
11 Block Diagram
11.1. Power Supply Block Diagram
AC INLET
P1101
F1101
VA1110,L1120,L1121
D1140,C1143
SURGE
RECTIFIER
SUPPRESSOR
AND
SURGE
ABSORBER
IC1150
(SWITCHING IC)
VIN
7
2
F/B
9
5
Z/C
GND
VCC
1
3
4
T1150
POWER
SWITCHING
TRANSFORMER
P1
G
6
7
G
8
P2
4
NS12
11
B1
2
B2
NS12
1
12
Q1200
(FEEDBACK)
4
1
3
2
HOT
COLD
104
D1270
1
2
3
2
1
3
IC1200
(ERROR VOLTAGE DET.)
IC1601
(DC/DC CONV
1
Vin
2
V5
X SW+12V
47