IBM 6150 Hardware Maintenance Manual page 253

TNL SN20-9850 (05-87) to 75X0152 or 75X0166
I Step 6
3-6100-6 Service Manual
1. Set the power switch on the system unit to On.
2. Wait about 4 minutes, then try to set the Brightness Control to the
desired level before answering the following question.
tness Brigh
Cont
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Failure I
Brightness
Override Button
Power
Switch
Power· on
Indicator
ndicators
WERE YOU ABLE TO SET THE BRIGHTNESS TO THE
DESIRED LEVEL?
NO Record SRN 26-610, then go to "Step 8" on page 3-6100-8.
YES Continue on the next page.