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Technical Explanation > Laser Exposure System > Various Controls > Controlling the Laser Activation Timing
Technical Explanation > Laser Exposure System > Various Controls > Controlling the Laser Activation Timing
Various Controls
■
Controlling the Laser Activation Timing
●
Laser ON/OFF Control
Laser ON/OFF control is dependent on the combination of the laser control signal (A/B laser:
CNT0-0/0-1/0-2, C/D laser: CNT1-0/1-1/1-2) from the image PCB.
<A laser/B laser>
Laser control signal
Laser status
CNT0-0 CNT0-1 CNT0-2
A Laser
B Laser
1
1
1
Image data output
Image data output
0
1
1
Forcible output
OFF
1
0
1
OFF
Forcible output
0
0
1
Forcible output
Forcible output
1
1
0
Forcible output OFF
Forcible output OFF
0
1
0
ON (For APC control)
OFF
1
0
0
OFF
ON (For APC control)
0
0
0
Discharge: APC reset
(Fixed when laser is not used)
Discharge: APC reset
(Fixed when laser is not used)
<C laser/D laser>
Laser control signal
Laser status
CNT1-0 CNT1-1 CNT1-2
C Laser
D Laser
1
1
1
Image data output
Image data output
0
1
1
Forcible output
OFF
1
0
1
OFF
Forcible output
0
0
1
Forcible output
Forcible output
1
1
0
Forcible output OFF
Forcible output OFF
0
1
0
ON (For APC control)
OFF
1
0
0
OFF
ON (For APC control)
0
0
0
Discharge: APC reset
(Fixed when laser is not used)
Discharge: APC reset
(Fixed when laser is not used)
T-2-23
T-2-24
J8142
Main Controller PCB
CTRL_1-2 CTRL_1-1 CTRL_1-0 CTRL_0-2 CTRL_0-1 CTRL_0-0
F-2-59
Summary of Contents for 1750
Page 12: ...Update Firmware XXV Volume Control XXV Backup Data XXVI...
Page 17: ...1 1 Product Overview Product Overview Product Lineup Features Specifications Parts Name...
Page 235: ...7 7 Error Code Error Code Overview Error Code Jam Code Alarm Code...
Page 250: ...8 8 Service Mode Service Mode Outline Details of Service Mode...
Page 333: ...Service Tools General Timing Chart General Circuit Diagram List of User Mode Appendix...
