IBM 6151 Maintenance And Service Manual page 367

Look at the display screen.
Step 5
D
Too Dim
Too Short
~
- - -
- - -
-
=-----=---=
- - - - - -
- ----==-
Change. Size When
Brightness Control
Turned
-
~ ---
Too Wide
Too Small
Out of Focus
[11] -
- - -
- - -
Too Narrow
Tilted
II
- - - - - -
- - -
- - -
=-..:=-=
Rolling
AJZB214
DOES YOUR DISPLAY HAVE A PROBLEM SIMILAR TO
ANY OF THE DISPLAY SCREENS ABOVE?
YES Record SRN 26-620-470; then go to "Step 7" on
page 3-6200-7.
NO Continue on the next page.
(6/88) Problem Isolation Charts
3-6200-5