FilmScan 200
Rev. A
2-8
2.2 POWER SUPPLY OPERATION
The scanner can be powered by either of two power supply boards: the 100-120 V AC power supply board
or 220-240 VDC power supply board. The Only difference in the way these boards operate is in the
primary circuitry. These power boards output the DC voltage necessary to drive the scanner control
circuits and the engine drive. Table 2-2 shows the input voltages and fuse ratings for these boards.
Input Voltage (VAC)
Fuse (F1) Rating
Output Voltage
100 - 120 VAC
•}
10 %
2 A / 125 V
+5 VDC / 1.0 A
+24 VDC / 1.0 A
+12 VDC / 0.1 A
-12 VDC / 0.1 A
220 - 240 VAC
+5 VDC / 1.0 A
+24 VDC / 1.0 A
+12 VDC / 0.1 A
-12 VDC / 0.1 A
2.2.1 Power Supply Overview
Table 2-3 shows the DC voltages created by the secondary side of the power supply board, and the uses
to which each voltage is applied.
Output Supply Voltage (DC)
Applications
+24 VDC
Main scan motor
Preview motor
Fluorescent lamps
+5 VDC
Logic circuit on the digital (main) board
Photo interrupt sensor circuits
LEDs on the front panel units
+12 VDC
CCD sensor on the optical unit
Analog circuit on the digital board
- 12 VDC
CCD sensor on the optical unit
Analog circuit on the digital board
Table 2-2. Power Supply Boards
Table 2-3. Output DC Voltages and Applications
Summary of Contents for FILMSCAN 200
Page 1: ...EPSON FILM SCANNER FilmScan 200 SERVICE MANUAL SEIKO EPSON CORPORATION 4007375 ...
Page 5: ...v REVISION SHEET Revision Issued Data Contents Rev A FEBRUARY 28 1997 First issue ...
Page 8: ...EPSON SEIKO EPSON CORPORATION ...
Page 75: ...CHAPTER 4 ADJUSTMENT No adjustment is required in this product ...
Page 85: ...CHAPTER 6 MAINTENENCE 6 1 MAINTENENCE 6 1 6 2 LUBRICATION 6 1 ...
Page 86: ...APPENDIX A 1 CONNECTOR PIN ASSIGNMENTS 1 A 2 EXPLOED DIAGRAM 8 ...
Page 88: ...FilmScan 200 Rev A A 2 Figure A 2 Cable Connection SCSI Model ...
Page 95: ...APPENDIX Rev A A 9 Figure A 4 FilmScan 200 Bi D Model Exploded Diagram 2 2 ...
Page 96: ...FilmScan 200 Rev A A 10 Figure A 5 FilmScan 200 SCSI Model Exploded Diagram 1 2 ...
Page 97: ...APPENDIX Rev A A 11 Figure A 6 FilmScan 200 SCSI Model Exploded Diagram 2 2 ...
Page 98: ...FilmScan 200 Rev A A 12 Figure A 7 APS Holder option Exploded Diagram ...
Page 100: ...FilmScan 200 Rev A 6 2 Shaft 1 G 36 1 G 36 Figure 6 1 Lubrication Points ...