Brother HL 1240 - B/W Laser Printer Service Manual page 186

Service manual
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0V
1
2
+24V
+24V
7
R1
CHG
3
R2
6
0V
DEVCH
5
DEV2
R35
4
DEV1
R21
1
TRANSFF
R81
R90
R92
TRANSCH1
D109
2
TRANSFB
TRANSCH2
D3
R13
R15
Q4
R7
Q3
Q5
R8
R9
R26
R27
Z51
VR51
D85
R84
R87
R91
Q83
R88 R103
IC81
R114
Q102
R129
R115
B1
CHG
RB1
DB1
Q1
DB2
R17
R50
Q24
Q25
Q26
Q27
Q29
Q22
GRID
R51
B102
C86
C109
Q81
C85
R89
D84 D83
B101
D104
Q101
R108
D103
Q103
DEV
T / R
R96

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