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High-voltage PS Circuit
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NAME
Appendix 22A. High-voltage Power Supply PCB Circuit Diagram (OLD)
2
1
5
4
6
3
7
TRANSFB
TRANSCH2
TRANSFF
TRANSCH1
R81
R90
R92
Q83
R89
R108
IC81
Q81
B102
Q29
R27R26
R17
R15
R13
R7
R9R8
R2
R1
Q4
Q5Q3
Q1
DB2
DB1
B1
RB1
R21
R35
VR51
R51
GRID
Z51
C86
DEV
R50
CHG
T / R
B101
D109
Q102
Q101
D103
R115R129
D104
R88 R103
R114
R84
R83
R85
R102C108
R106C101
R104
R123
R124
R125
R126R127
VR101
R134
R105
R82
D81
R95 R94
R93
Q82
C82
R24
R23
R34
R36 VR21
Q22
R43
VR22
RB2
CB2 CB1
R25
R18R16
R12
R11
R5
R6
R4
R3
R10
R14
R22 R31
Q21
D84
D83
C84
C109
R96
C85
D87
D88
D111
R100 R99 R98 R97
C83
D86
C103
C105
C104
C106
C102
C107
R107
R128
D101
R109
R110
R112
D108
D110
R113
R121
DEVCH
DEV2
DEV1
0V
CHG
+24V
2
1
+24V
0V
C22
C21
C26
D25 D24
R44 R45 R46
R47 R48 R49
PC21
D23
C28
C4
C1
C3
+
D5
D4
D2
D3
Q2
C5
C2
D1
Q6
+
Q25
Q24
Q26
Q27
C25
R33
Q28
R32
R91
D85
R87
C87R101
C81R86
R122
R120
R132
R133
Q103
R130
R131