JBL BF423, BF422, BUZ901D, BUZ906D User Manual
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R61
D11
330R
1N4148
D12
1N4148
A A
C53
input
220u 25V
B B
C C
R58
180k
GND
R59
1k5
R60
30k
C54
GND
CAP
GND
R122
Q51
15k
R64
R62
100R
Q52
2SA1085
R67
10k
R69
2k7
R65
R63
15k
1k
100R
Q53
2SA1085
R66
1k5
R68
10k
C56
100u 25V
R6
22R
R70
2k7
All NPN transistors are BF422 unless stated
All PNP transistors are BF423 unless stated
All N ch FETs are BUZ901D
All P ch FETs are BUZ906D
R73
R74
150R
C55
10p
Q54
R76
10k
33p
C58
GND
Q56 Q57
R72
100k
Q59
R75
150R
47R
C60
10n
Q55
C59
100n
C61
100n
33p
C62
Q64
Q58
R77
150R
R78
4k7 1W
Q60
R80
3k9 1W
R83
4k7 1W
R79
150R
Q61
D13
9V1
D14
9V1
Q63
R84
150R
C65 47u 100V
C66
C63
100n
47u 100V
C64
R81
2k7
2k
R82
RV1
1k
100n
Q62
BC184
D15
1N4148
D16
6V8
D17
6V8
D18
1N4148
Q67 Q68
R89
R91
680R
2k
R90
680R
Q69 Q70
R92
R109
680R
R110
680R
R96 33R
R11
R39
470R
330R
33R
R93
C21
33R
4n7
fb
33R
R95
R1
R40
470R
220R
output
R12
10p
470R
C11
Q9 Q10 Q15Q12 Q13
Q1 Q2 Q7Q4 Q5
R2
470R
L1
INDUCTOR
R87
10R 2.5W
R114
10R 2.5W
GND
C69
33n 250V
R14
10p
470R
C12
R4
470R
R15
10p
470R
C14
R5
470R
R17
10p
470R
C15
R7
470R
HT+
10p
C17
D2
1N4004
D5
1N4004
HT-
D D
Title
Number RevisionSize
A3
Date: 28/05/2007 Sheet of
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File: C:\Documents and Settings\..\SRX3601_driver.SCHDOCDrawn By:
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