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3-10 Service Manual
5016-001
Hardware Tests
The following Hardware Tests can be selected from this menu:
LCD Test Button Test
DRAM Memory Test ROM Memory Test
Parallel Wrap (if available) Serial Wrap (if available)
Serial 1 Wrap (if available) Serial 2 Wrap (if available)
Serial 3 Wrap (if available) LCD Test
LCD Test
To run the LCD Test:
1. Select LCD Test from the Diagnostic menu. The LCD Test
continually executes the LCD Display Test.
2. Press Return/Stop to cancel the test.
Button Test
To run the Button Test:
1. Select Button Test from the Diagnostic menu. With no buttons
pressed, several OP (open) appear on the display.
2. Press each button one at a time and a CL (Closed) displays in
place of an OP. The proper operation of each button can be
checked.
3. Press Return/Stop to cancel the test.