IBM 7785 Hardware Maintenance page 173

MAP 2000
003 (continued)
IS THE SCREEN DARK (NO ILLUMINATION) WHEN TURNED ON
FOR 30 SECONDS?
Ves No
110041
Go to Step 033 on page 161 .
- Disconnect the display cable from the lmage Adapter/A.
DOES THE SCREEN APPEAR COMPLETE L V WHITE WHEN DIS-
CONNECTED?
Ves No
lloosl
Go to Step 036 on page 162.
(From step 002)
- Turn off the system at the display.
- lnsert a reference diskette that has been updated with the lmage
Adapter/A option diskette.
- Reconnect the display that was disconnected from the lmage
Adapter/A.
- Turn on the system.
- Listen for and note any audio responses during the POST.
DOES THE IBM LOGO SCREEN APPEAR AS EXPECTED?
Ves No
llooal
Your backup copy of the reference diskette may be faulty.
Make another copy of your reference diskette and restart this
procedure.
-or-
(Step 008 continues)
156
Service Bay System
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