
Appendix 17. High-voltage Power Supply PCB Circuit Diagram
High-voltage PS Circuit
NAME
A - 17
4
3
2
1
6
9
7
8
5
4
1
2
10
3
11
PSENS
CN1
SR
CN1
TRANSFB
CN1
TRANSFF
CN1
R81
R87
R89
R108
R128
R126
VR121
R127
R141
PC141
R142 R143 R144 R145
R129
IC121
C121
R134
R132
R133
C127
R90
IC81
Q81
D86
D85
Q71
R78
R77
R76
R67
Q61
Q63
Q65
Q62
Q64
R68
R71
Q26
Q27
Q25
Q24
Q23
Q22
R72
R66
R63
R62
R26
R28
R17
R15
R13
R7
R9
R8
R2
R1
Q4
Q5
Q3
Q1
D82
D81
B1
R81
R56
R55
R54
R53
R52
R51
R21
VR51
C52
C51
D52
Z51
D61
D51
D87
DRM . B
GRID
CN6
CN5
CN4
VCLN
CN3
DEV
CN2
CHG
C27
T / R
D128
CN7
SR . B
B81
B101
D88
D101
Q102
Q101
D103
D123
D126
D125
B121
Q121
Q122
D104
D105
R92
R88
R114
R84
R83
R85
R86
R106
R104
R101
R102
R103
R105
VR101
R82
D81
Q82
C81
C82
C62 C61
Q52
Q51
R24 R23
R25
R43
VR23
VR22
VR21
R34
R33
R82
C82 C81
R27
R16
R12
R11
R5
R6
R4
R3
R10
R14
PC21
R22
Q21
D82
D102
D124
D122
D127
D121
D84
D83
C84
C85
C86
R91
C83
C103
C104
C105
C102
C123
C122
C101
C106
R112
R113
R111
R110
R109
R107
R131
R125 R124
R123
R122 R121
R135
C107
C124
C128
C125
C126
VCLN
CN1
DEV
CN1
DEVCH1
CN1
DEVCH2
CN1
0V
CN1
CHG
CN1
+24V
CN1
P1
C25
C24 C23
C21
C26
D25
D24
D21
PC22
D22
D23
C28
C22
C4
C1
C3
+
D5
D4
D2
D3
Q2
C5
C2
C72
C73
D72
D62
VR61 R65
R64
R61
D71
R75
VR71
R74
R73
D1
Q6
+
Summary of Contents for HL-1020
Page 1: ......
Page 36: ...II 20 Fig 2 22 shows the CDCC interface circuit Fig 2 22 HL 1050 ...
Page 37: ...II 21 1 3 10 Engine I O Fig 2 23 shows the engine interface circuit Fig 2 23 HL 820 1020 1040 ...
Page 38: ...II 22 Fig 2 24 shows the engine interface circuit Fig 2 24 HL 1050 ...
Page 67: ...III 18 4 PACKING Fig 3 32 Documents Accessory carton Pad Pad Printer Bag Carton ...
Page 101: ...CODE UK4007000 B48K312CIR NAME V 5 Appendix 5 Main PCB Circuit Diagram HL 820 1020 1040 1 2 ...
Page 102: ...Appendix 6 Main PCB Circuit Diagram HL 820 1020 1040 2 2 CODE UK4007000 B48K312CIR NAME A 6 ...
Page 103: ...Appendix 7 Main PCB Circuit Diagram HL 1050 1 5 CODE UK4041000 B512001CIR NAME A 7 ...
Page 104: ...Appendix 8 Main PCB Circuit Diagram HL 1050 2 5 CODE UK4041000 B512001CIR NAME A 8 ...
Page 105: ...Appendix 9 Main PCB Circuit Diagram HL 1050 3 5 CODE UK4041000 B512001CIR NAME A 9 ...
Page 106: ...Appendix 10 Main PCB Circuit Diagram HL 1050 4 5 CODE UK4041000 B512001CIR NAME A 10 ...
Page 107: ...Appendix 11 Main PCB Circuit Diagram HL 1050 5 5 CODE UK4041000 B512001CIR NAME A 11 ...
Page 108: ...Appendix 12 Panel Sensor PCB Circuit Diagram CODE UK4010000 B48K303CIR NAME A 12 ...
Page 117: ...Apr 98 84U005BE0 PARTS REFERENCE LIST MODEL HL 820 1020 1040 1050 R LASER PRINTER ...
Page 122: ...1 1 1 MODEL HL 1050 84U 861 101 103 104 84U 862 106 6 4 5 MAIN PCB HL 1050 OTHERS ISRAEL 3 ...
Page 135: ...CONTENTS LOWER TRAY UNIT List 1 Drawing 2 ...
Page 137: ... 2 GENERAL DRAWING MODEL LT 24CL 54S X06 4 3 1 6 5 2 7 ...
Page 214: ......
Page 296: ...USER S GUIDE A 12 HP LaserJet IIP 6P EPSON FX 850 IBM Propritner XL EPSON FX 850 ...