Gasboy CFN Series Diagnostic Manual - Manual (Page 137)

Island Card Reader
03/19/04 4-21
LCD DISPLAY & INTERFACE PCB - NEW (C07506 & C06370)
C07506 is the current production model. Formerly, it was C07187. Both boards are shown below
because they differ in appearance. See Parts Lists at the end of this chapter for ordering
information.
The LCD Display and LCD Interface PCB provide the visual interface for the customer. They:
•
provide a 2 x 20 character display
•
provide backlighting for viewing the display at night
•
provide a viewing angle adjustment
•
contain temperature compensation circuitry to assure uniform character contrast as
temperature varies
Layouts
RX - Viewing Angle Adjustment
Use the RX adjustment to set the character intensity. The adjustment potentiometer is accessible
through one of the access holes in the Interface PCB.