Appendix 22A. High-voltage Power Supply PCB Circuit Diagram (OLD); High-voltage PS Circuit- Page 210

High-voltage PS Circuit

A - 32

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

R27

R26

R17

R15

R13

R7

R9

R8

R2

R1

Q4

Q5

Q3

Q1

DB2

DB1

B1

RB1

R21

R35

VR51

R51

GRID

Z51

C86

DEV

R50

CHG

T / R

B101

D109

Q102

Q101

D103

R115

R129

D104

R88

R103

R114

R84

R83

R85

R102

C108

R106

C101

R104

R123

R124

R125

R126

R127

VR101

R134

R105

R82

D81

R95 R94

R93

Q82

C82

R24

R23

R34

R36 VR21

Q22

R43

VR22

RB2

CB2

CB1

R25

R18

R16

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

C87

R101

C81

R86

R122

R120

R132

R133

Q103

R130

R131