Toshiba DP120F, Service Manual

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DP120F/DP125F Troubleshooting 11-6 March 2000 © TOSHIBA TEC
1.2.2 KEY TEST [MENU], [9], [2], [02]
The test checks the key switch operation on the Operation panel.
(1) Use the [
↑
] or [
↓
] key to select “02. KEY TEST”, and then press the [ENTER] key.
KEY TEST
PRESS ALL KEYS
EXCEPT STOP KEY
(2) Press all the key switches except the [STOP] key. If all the keys except the [STOP] key
have been detected, the screen below is displayed.
KEY TEST
PRESS STOP KEY
<Remarks> If you fail to press all of the keys on the operation panel including
before pressing [STOP] key, the result will be NG.
(3) Press the [STOP] key. The result of the key test (“OK” or “NG”) is displayed on the screen,
and the unit returns to the test item select screen of the INDIVIDUAL TEST.
KEY TEST
OK
<Remarks> Unless the [STOP] key is pressed within 10 seconds after the screen in
step (2) is displayed, the test result is judged to be NG.
<Remarks> The result of the KEY TEST can be checked with the self test report. For
printing the self test report, refer to “1.3 TEST RESULT LIST” on page 11-
14.
If the result of the KEY TEST is judged to be NG, solve the problem by
referring to “1.5.1 OPE. PANEL TEST” on page 11-16.