Appendix 7. Low-Voltage Power Supply PCB Circuit Diagram (110 -120V), HL-720/ 730/730Plus
Low-Voltage
PS Circuit (110-120V)
NAME
A
A
B
B
F1
Z1
Z2
C1
L1
L
SW1
N
NTC1
BEA1
D14
D12
D13
D11
C5
C22
R23
R2
R5
R9
C8
PC2
R22
TRA1
R20
R21
CN1
R101
D110
Q101
R106
PC1
R104
R105
VR101
R103
C110
R102
Q2
Q1
R18
R11
R13
C9
R8
C10
C13
PC1
R6
R10
C11
D7
R7
D4
D6
R17
T1
+
D104
D102
D101
C7
C15
IC101
R114
R113
R110
C103
+
+
C101
+
C102
PC2
GND
REM
+5V
+24V
CN101
FG
FG
V - 8
R115
5
4
1
23
Содержание HL-720
Страница 1: ...SERVICE MANUAL MODEL HL 720 730 730Plus R LASER PRINTER ...
Страница 36: ...II 19 1 3 10 Engine I O HL 720 Fig 2 21 shows the engine interface circuit Fig 2 21 ...
Страница 37: ...II 20 HL 730 730Plus Fig 2 22 shows the engine interface circuit Fig 2 22 ...
Страница 61: ... Fig 3 18 2 4 1 1 1 ...
Страница 92: ...SERVICE MANUAL MODEL HL 760 R LASER PRINTER ...
Страница 109: ...II 8 1 3 4 DRAM Two 4M bit DRAMs x 16bits are used as the RAM Fig 2 6 ...
Страница 113: ...II 12 1 3 10 Engine I O Fig 2 12 shows the engine interface circuit Fig 2 12 ...
Страница 114: ...II 13 1 3 11 Paper Feed Motor Drive Circuit Fig 2 13 ...
Страница 133: ...Appendix 2 Main PCB Circuit Diagram 1 3 CODE UK3227000 B48K272CIR 1 3 NAME ...
Страница 134: ...Appendix 3 Main PCB Circuit Diagram 2 3 CODE UK3227000 B48K272CIR 2 3 NAME ...
Страница 135: ...CODE UK3227000 B48K272CIR 3 3 NAME Appendix 4 Main PCB Circuit Diagram 3 3 ...