-19-
BLOCK DIAGRAM -2/4 (POWER SECTION)
5V_D
5V_A
-27VA
VF+
LINE FIL
TER
SWITCHING
CONTROL
TR
A
N
S
8V
5.2VA
VF-
RECTIFIER(FLD )
RECTIFIER(9V)
RECTIFIER(5.2V)
LPF
RECTIFIER(14V)
12VA
PWR _CTL
3.3V_M1
3.3V/3.3V_M
RECTIFIER
LPF
L101
IC101
KA5M0265R-YDTU
T101
IC102
LTV817B
PHOTO COUPLER
(D109)
(D103,D106)
(D110)
(D107,D108,ZD101)
IC103
KIA78R12PI
12V REG
IC105
KA78R08TSTU
8V REG
IC106
KA78R33TSTU
8V REG
IC107
KA78R33TSTU
8V REG
(L103,C123)
Q107
BD101
(L105,C116,C124)
5,6,7
3,4
2
1
12
13
8
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299