IBM 5155 - Page 179

6 Does the black area appear across the top and
bottom
of the screen?
•
()
8
YES -
Go to the next step.
NO - Have the display serviced.
7 Are the black areas at the top and bottom of the
screen approximately equal in size?
•
()
8
YES -
Go to the next step.
NO - Have the display serviced.
January
1984 Test 9000-3