IBM 6151 Maintenance And Service Manual page 335

Step 5
1.
Set the power switch on the system unit to On.
2. Wait 4 minutes or until the OPERATING INSTRUCTIONS
display.
3. Adjust the Brightness Control to the desired level.
4. Look at the display screen.
D
Too Dim
Too Short
~
- - -
- - -
=-=---=
-
- - -
=----==
- - -
Changes Size When
Brightness Control
Turned
11II
- - -
- -
- - -
Too Wide
Too Small
~ c
_
..
_----_
...
_ - -
-------_._-
.--
., ........•. -"'.'
...
""
- - - - - ----_
..
-
-_
_ - - - - - -
- - - - - ----_.
_.-
,'-,-"" "'"",-
--==c'-'.-cc-=--=::=
•....
__
....
_.- ----
•...•
Out of Focus
[II]
==---=
- - -
=--=--=
- -
Too Narrow
Tined
~
=-=:::..-=
=----=
=--=-=
Roiling
AJZB214
DOES YOUR DISPLAY HAVE A PROBLEM SIMILAR TO
ANY OF THE DISPLAY SCREENS ABOVE?
YES Record SRN 26-580-410; then go to the next page.
NO Continue on the next page.
(6{88) Problem Isolation Charts 3-5800-5