Keyboard Test Display - Atari 130XE Service Manual

39 Malfunction FIRE button. Socket connecting lines or GTIA damaged.
34-39 Errors may occur in poor contact pin control (loop-back) or being damaged.
KEYBOARD
12 keys are displayed on the screen. As each of these keys is pressed, the key on the
screen should change color. The last key to be pressed must be the OPTION key. After the
option key is pressed, the test is over. If all keys were detected, the next test will begin. If
not, the screen will turn red. To reset the test, push START, or to continue with the next
test, push SELECT.
ROM TEST
The screen will display PASS of FAIL when done. Press the space bar to begin the next
test.
130XE Personal Computer
Field Service Manual
Figure 3-10. KEYBOARD Test display
Figure 3-11. ROM Test display
3-8