AT&T 610 - Page 124

llaintenance
Page 10- 2
Step
1
2
3
4
5
6
7
S
Table 10-A.
Power On Test
Action
Yes
Turn
on
power.
Did
the "610 OK"
Go to Step 5.
message
appear?
Depress Esc key
Report as trouble in:
with Shift and
Ctrl keys depress-
ERROR: Kybd
Keyboard
ed. Did trouble ERROR: Base Controller
message
appear?
ERROR:
RAM External RAM Card
\
ERROR: Cartridge Cartridge
ERROR:
10 Expansion I/O Card
Rote:
A
failure
in both the keyboard
and in the controller may
result in no
error message
appearing.
Depress Shift/
Report as controller trouble.
Shift/Ctrl (left
Ctrl -56K430/ACZ)
Simultaneously.
Did bell ring?
Is cursor present? Go
to Step 8.
Turn up bright-
Report as video trouble.
ness. Is raster
present?
Turn up volwne Go to Step 8.
(change volume
in
Options Setup
mode). Repeat
Step 4 action.
Are User Fkey The terminal is basically opera-
screen labels
tional.
If trouble is still present,
present?
check terminal options.
If options
are correct, contact service
representative.
User:"'s Guide
August 1985
Ro
Go to Step 3.
Go to Step 4.
Go to Step 7.
Got to
Step 6.
Report as moni-
tor trouble.
Report as key-
board trouble.
Check Labels
option. Repeat
test procedure.
If test results
are the same,
report as
terminal
trouble.