AT&T 610 User Manual 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.