Toshiba ST-B10 Series Maintenance Manual page 73

5. DIAGNOSTIC TEST OPERATION
5.4.3.1 VGA Test
In this test, 4 types of image test patterns are displayed individually. With these test patterns, display position
and image quality are checked.
(1) Operation procedure
1. Select the VGA Test(1) button on the Display Test Menu screen.
(The above VGA Test screen appears.)
2. Click the NEXT Pattern button to display Image Test Pattern 1.
3. Make sure that the test pattern is displayed correctly.
4. Wait for a few seconds or depress the [ENTER] key on the keyboard, resulting in that the display
restores to the VGA Test screen.
5. As there are 4 types of the image test patterns, repeat Procedure 2 through 3 until all the test patterns
are checked.
6. When all the test patterns were displayed correctly, click the OK button to terminate the test.
If not, click the NG button.
(2) Error code
Result Error Code
1
-1
(3) Corrective action
When the image test pattern was displayed incorrectly, the display unit may cause an error. In this case,
please check the display unit.
<< Preliminary version >>
Error Code Ex
0
0
0 Click the [OK] button to terminate the test.
0 Click the [NG] button to terminate the test.
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5.4 Serviceman Diagnostic Test Program
Remarks
EO18-12017