Permanent Emitter Pulse Cycle - Kodak Ektascan 1120 Service Manual

Permanent Emitter Pulse Cycle

Sensor
Slow Scan Sensor
Film Processor
Adapter Sensor
Transport Sensor
[23] Adjust the correct POTENTIOMETER for each sensor until the value is within the above specification.
IL1: VR7 for the SLOW SCAN FILM SENSOR
IL2: VR8 for the FILM PROCESSOR ADAPTER FILM SENSOR
IL3: VR9 for the TRANSPORT GUIDE PLATE FILM JAM SENSOR
Note
The Channel B signal should be a constant low.
[24] Insert a FILM between the emitter and receiver of each sensor to see that the signal on Channel B goes high as
FILM is detected.
[25] De-energize the LASER PRINTER.
[26] Connect J218.
SM3226-1 – 10FEB97
To observe waveform, place oscilloscope
Symbol between GND and PROBE
IL1 CPG5
IL2 CPG5
IL3 CPG5
Emission
Time
10 ms.
Electrical Adjustments
To adjust waveform
period, rotate
LD2 VR7
LD3 VR8
LD1 VR9
Approx.
3.5 V
GND
H129_1912BC
5–17