Hitachi 51SWX20B Training page 10

DP-26, DP-27 and DP-27D CHASSIS POWER SUPPLY Sby +6V REGULATION
AC
D904
D901
150V
F902
2
6
T901
D908
C918
R917
R958
D953
Control
C969
+6V
T901
D941
10
11
C954
Lo Voltage Power Supply
R906
R907
16.3V
3
1
D
I901
OCP
Driver/
Output IC
6 FB/OLP
ABS
4
R916
C917 C915
FB
I904
2
1
R957
Regulator Photocoupler
C904
1.79A
C972 C985
Run
Start Up
D905
Osc B+
7
BD
5
D906
2
S
R908
R909
R910
R915
4
3
I909
3 2
+5V
Reg
C973
1
T902
8
R913
9
D910
D907
R911
R912
C914
0.47
Ohm
Hot Ground from
negative leg of
Bridge D901
Floating Ground
from pin 9 of T901
Cold Ground Pin 11
Secondary of
T901
PPS3
0.0685A
2
R914
C916
Sby +5V
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