Brother 1240 Printer User Manual


 
Low-voltage PS Circuit
(110 - 120V)
A - 30
NAME
Appendix 20. Low-voltage Power Supply PCB Circuit Diagram (110 - 120V)
+
+
+
+
+
+
R1
F2
D12D13
C5
C8
R5
D4
R11
C12
R13
R12
R9
R17
C302
C101
C206
D104
R208
R202
C207
D201R214
C204
R209
VR201
C201
D202
R210
R206
R203R204
R110
R111
R116
R130
PC2
R114
VR101
R113
C111
D105R115
C102
J105
or R215
D6C11
D5
R8
C9
VR1
D9
R18
R2R3
FG
BEA1
D14
NTC1
D11
C1
Z1
L1
C22
R23
R21R20
N
L
F1
L2
R22
CN1
PC2
TRA1
Z2
C16
T1
C109
D101 BEA101
PC1
R112
R213
R205
Q201
R212
L201
D203
C205
C203
R211
R201
C202
R207
IC101
VCC
10
Cosc
95
REF1
4
K1
3
GND
2
OUT
1876
C110
C112
CN101
24V
5V
2
6
GND
1,3,4
5,7
HEAT ON
D102
C7
Q1
R19
D8
C10
Q2
FG
D7 R7
R6
R15
R10
C15
PC1
1
3
ZC