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System Description
6–35
6.2.13 LSU Control Circuit
The laser control signals are described below.
nLDON
The LSU is activated when this output signal is LOW. If an error occurs, the nLDON output signal level goes
High and the LSU is deactivated.
nVIDEO
This is the actual Data Signal. The Laser is ON when the nVIDEO output signal level is LOW.
nHSYNC
This horizontal synchronization signal transmitted from the Beam Detection Sensor sets the horizontal
position of the laser beam as it crosses the OPC Drum.
nPMON
This is the Polygon Motor Control Signal. The Polygon Motor rotates when the nPMON output signal level
is LOW.
nPMRDY
A Phased–Lock Loop (PLL) circuit keeps the Polygon Motor speed constant at 10,000 rpm when the
nPMRDY is at a Low output signal level.
Laser
Timing
Sensor
Polygon
Motor
Laser
Drive
Circuit
Polygon
Motor
Drive
Circuit
IC51
CPU
VDO Signal
nVIDEO
nLDON
nHSYNC
nPMON
LSU
+5V
R409
LPC PCB
5
4
1
9
CN51
CN1
P101
20
nPMRDY
7
61
36
2
1
1
2
3
IC52
Laser Unit Control Circuit Block Diagram
R412
Содержание PANAFAX DF-1100
Страница 1: ...DF 1100 Facsimile ORDER NO MGCS980901C0 H13 Standard Version ...
Страница 8: ...vi Notes ...
Страница 9: ...7 Chapter 1 General Description ...
Страница 17: ...General Description 1 9 External View ...
Страница 18: ...Panasonic DF 1100 1 10 Control Panel ...
Страница 22: ...Panasonic DF 1100 1 14 Notes ...
Страница 23: ...Chapter 2 Disassembly Instruction ...
Страница 55: ...Disassembly Instruction 2 33 2 16 Screw Identification Template ...
Страница 56: ...Panasonic DF 1100 2 34 Notes ...
Страница 57: ...Chapter 3 Maintenance Adjustments and Check Points ...
Страница 64: ...Panasonic DF 1100 3 8 3 7 General Circuit Diagram 3 7 1 Fax Circuit ...
Страница 65: ...Maintenance Adjustments and Checkpoints 3 9 3 7 2 Printer Circuit ...
Страница 66: ...Panasonic DF 1100 3 10 3 7 3 Option Cassette Circuit ...
Страница 92: ...Panasonic DF 1100 3 36 3 10 LCE PCB CN20 CN21 CN25 1 15 TEL LINE ...
Страница 99: ...Maintenance Adjustments and Checkpoints 3 43 3 12 PNS1 PCB CN39 11 1 ...
Страница 113: ...Chapter 4 Troubleshooting ...
Страница 166: ...Panasonic DF 1100 4 54 Notes ...
Страница 167: ...Chapter 5 Test Modes ...
Страница 192: ...Panasonic DF 1100 5 26 Fuser Error Detection ...
Страница 196: ...Panasonic DF 1100 5 30 Notes ...
Страница 197: ...Chapter 6 System Description ...
Страница 236: ...Panasonic DF 1100 6 40 Notes ...
Страница 237: ...Chapter 7 Exploded View Parts List ...
Страница 244: ...Panasonic DF 1100 7 8 Notes ...
Страница 250: ...Panasonic DF 1100 7 14 Notes ...
Страница 254: ...Panasonic DF 1100 7 18 Notes ...
Страница 258: ...Panasonic DF 1100 7 22 Notes ...
Страница 264: ...Panasonic DF 1100 7 28 Notes ...
Страница 274: ...Panasonic DF 1100 7 38 Notes ...
Страница 275: ...Chapter 8 Installation ...
Страница 276: ...Panasonic DF 1100 8 2 Notes ...
Страница 291: ...Chapter 9 Options and Supplies ...
Страница 296: ...Panasonic DF 1100 9 6 Notes ...
Страница 297: ...Chapter 10 Schematic Diagram ...
Страница 298: ...Panasonic DF 1100 10 2 ...
Страница 299: ...Schematic Diagram 10 3 ...
Страница 300: ...Panasonic DF 1100 10 4 ...
Страница 301: ...Schematic Diagram 10 5 ...
Страница 302: ...Panasonic DF 1100 10 6 ...
Страница 303: ...Schematic Diagram 10 7 ...
Страница 304: ...Panasonic DF 1100 10 8 ...
Страница 305: ...Schematic Diagram 10 9 ...
Страница 306: ...Panasonic DF 1100 10 10 ...
Страница 307: ...Schematic Diagram 10 11 ...
Страница 308: ...Panasonic DF 1100 10 12 ...
Страница 309: ...Schematic Diagram 10 13 ...
Страница 310: ...Panasonic DF 1100 10 14 ...
Страница 311: ...Schematic Diagram 10 15 ...
Страница 312: ...Panasonic DF 1100 10 16 ...
Страница 313: ...Schematic Diagram 10 17 ...
Страница 314: ...Panasonic DF 1100 10 18 ...
Страница 315: ...Schematic Diagram 10 19 ...
Страница 316: ...Panasonic DF 1100 10 20 ...
Страница 317: ...Schematic Diagram 10 21 ...
Страница 318: ...Panasonic DF 1100 10 22 ...
Страница 319: ...Schematic Diagram 10 23 ...
Страница 320: ...Panasonic DF 1100 10 24 ...
Страница 321: ...Schematic Diagram 10 25 ...
Страница 322: ...Panasonic DF 1100 10 26 ...
Страница 323: ...Schematic Diagram 10 27 ...
Страница 324: ...Panasonic DF 1100 10 28 ...
Страница 325: ...Schematic Diagram 10 29 ...
Страница 326: ...Panasonic DF 1100 10 30 ...
Страница 327: ...Schematic Diagram 10 31 ...
Страница 328: ...Panasonic DF 1100 10 32 ...
Страница 329: ...Schematic Diagram 10 33 ...
Страница 330: ...Panasonic DF 1100 10 34 LVPS 100V ...
Страница 331: ...Schematic Diagram 10 35 LVPS 200V ...
Страница 332: ...Panasonic DF 1100 10 36 Note ...
Страница 333: ...Printed in Japan DZZSM064 ...