4
Chapter 4: Problem Isolation Procedures
General
NCR offers both on-site and mail-in service for the NCR 5965. Before calling for service or
mailing in the unit for repair, step through the problem isolation procedures below to make
sure the Touch Screen module is in need of repair. Also, the answers to these questions may
speed the servicing of the 5965.
The following procedures provide general troubleshooting tips for the 5965. If you experience
a problem with the 5965, please explore the possible solution options below before replacing
any component in the system. These suggestions should be explored in the order presented
below until the fault is found.
As a general guide to troubleshooting a flat panel display system it is worth considering the
system as separate elements, such as:
Main Controller PCB (Video register settings, USB hub controller, TS controller)
LCD Panel (controller, cabling, connection)
Lamps and invertors
General Cabling
Power supply
Host Computer (display settings, operating system)
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