Hitachi 51SWX20B Training page 23

DP-2X CHASSIS POWER SUPPLY SW +115V REGULATION
T902
8
7.5P/P
9
AC
From Relay S901
D912
RED L.E.D.
AC for D902
Supplied from
Relay S901
From Bridge D902
150V
T902
1
2
F903
C933
T902
D915
11
C927
12
C945
X-Ray
Protect
High Voltage Power Supply
R924
R925
16.3V
4
D915
OCP
I902
R934
Driver/
Output IC
3
D
6
5
6
R941
Q905
0.47 Ohm
R943
D924
D925
D926
Start Up Run
D911
Osc B+
R931
1
R929
2
S
1
R926
R927
R928
0.22
Ohm
E906
0.5K
3K
E907
R942
R945
D927
R946
R930
FB
D914
I906
4
3
R932
Regulator Photocoupler
D913
Hot Ground from
pin 9 of T902
I907
2
C942
3
PPD6
0.69A
L914
9
Deflection
10
B+ 115V
Cold Ground from
pin 12 of T902
C905
D928
SW + 115V
R937
1
R935
2
R936
D922
C941
SW +115V
SW +115V
PAGE 01-15