CassidaPRO Zeus: Service Manual
2018 Cassida Corporation. All rights reserved.
Rev: 09/05/2018
cassidapro.com/partner/
Normal - The signal (yellow) varies but is approximately 1000 npm on
average. The teal square wave is uniform except for the first and last pulses
which will be longer.
Abnormal - If it cannot reach the 1,000 npm level, uneven encoder spacing,
or misaligned PS1 and PS2 pulses check:
• The holes of the encoder wheel to assure they are not blocked or bent
• Encoder Board and (PBA_ENCODER)
• Mecha Board (PBA_MECHA)
• A loose Drive Belt can also cause the bills to not count at the 1,000 npm
level.
• PS1 or PS2 reflectors may be cracked due to foreign objects passed
through bill transport path
• Wiring may be loose or damaged
CURRENCY AND FUNCTION CHECKS 2.3.
4) Check Image Sensor
• Select this window by pressing Service Menu -> [1] Diagnosis -> [5] Scanning
Quality -> [4]Images. An example of a passing scan is displayed below.
Note that only one bill may be displayed at a time. It is suggested to use a
high denomination to verify that enhanced security features are available for
viewing.
This menu allows you to check the actual images acquired by the CIS image sensor, UV,
and IR full line scanning images, and back light source. Ensure that each quadrant has an
image, and that no repetitive artifacts are visible in the display of each separate image.
Abnormal - If repetitive noise, colored bars, or missing images are noted
check:
· CIS sensor flat ribbon cable for damage
· Cable connections to MAIN board
· CIS sensor for debris, dirt, damage, or cracking
· UV/IR emitters for debris, dirt, damage, or cracking
· Calibration waveforms
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