Hitachi 51SWX20B Service Manual page 117

DP-2X ADDITIONAL POWER SUPPLY SHUT DOWN DIAGRA
C933
T902 D916 Q905
11
C927
12
C945
Deflection B+ (115V)
Excessive Current Det.
R944
See Power Supply Sh ut
Down Circuit Diagram
for continua tion.
SW-28V Short or Loss Det.
C934
10K
E901
T902
D917
15
C928
13
C935
10K
T902 E902 D918
14
C929
13
R941
0.47 Ohm
R942
R943
D924 D927
D925
C946
D926
A
D940
R952
L912
-
+
D971
L913
+
C950
-
3K
E907
Deflection B+ 115V
R945
Deflection B+ (115V)
Excessive Voltage Det.
R946
D928
Deflection B+ 115V
D936
L914
D937
R951
L915
-
+
C949
L916
+
-
117
M
PPD6
0.69A
9
SW +115V
10
SW +115V
0.575A
5
SW -28V
3
Gnd
4
Gnd
1.09A
1
SW +28V
2
SW +28V
DP27 DP27D