Read Sharp XE-A207 (serv.man3) Service Manual online
XE-A207/A217/A307
DIAGNOSTIC PROGRAM DESCRIPTION
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6. LCD
The following screen is displayed. The menu items can be selected in
the same way as other menus.
the same way as other menus.
By selecting “EXIT,” it goes back to the Main Menu.
6-1. CONTRAST
Among the displayed menu items, the selected item is displayed in
reversed characters.
1) Change the selected item by using the [
2 ] / [ 4 ] key.
2) By pressing the [TL/NS] key, execute the selected item.
If the [CL] key is pressed during the execution of the test, you can
exit the test and select a test item.
exit the test and select a test item.
By selecting “1 BACK LIGHT” and then pressing the [TL/NS] key,
the back light can be turned ON/OFF.
By selecting “2 CONTRAST” and using the [
2 ] / [ 4 ] key, the con-
trast value can be changed within the range of 0 to 63 (0x00 to
0x3F).
0x3F).
3) By selecting “EXIT” and pressing the [TL/NS] key, this test ends with
OK.
By pressing any key other than the [TL/NS] key, [
2 ] or [ 4 ]key,
this test ends with NG.
Caution: To have printout of test results, as XE-A307 has 2 sheets for
the printer, be sure to use both printers to print it out.
6-2. PATTERN DISPLAY
1) The following patterns are displayed.
2) By pressing a key, it goes on to the next pattern.
3) By pressing the [TL/NS] key at the last screen, this test ends with
OK.
By pressing any key other than the [TL/NS] key, this test ends with
the result of NG.
Caution: To have printout of test results, as XE-A307 has 2 sheets for
the printer, be sure to use both printers to print it out.
BACK LIGHT&CONTRAST
LCD
PATTERN DISPLAY
EXIT
EXIT
LCD screen
BACK LIGHT&CONTRAST
1 BACK LIGHT
2 CONTRAST XX
EXIT(TL:OK)
EXIT(TL:OK)
LCD screen when finish
BACK LIGHT&CONTRAST NG
Printout (when the test result is NG.)
BACK LIGHT&CONTRAST OK
Printout (when the test result is OK.)
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Grid 1 pattern
Grid pattern
Reversed H pattern
H pattern
Full black
Box display- one black dot of outer frame
Full white
LCD screen
Grid 2 pattern (Reversed display of Grid pattern 1)
Termination screen
PATTERN DISPLAY
TL:OK,OTHER:NG
Printout (when the test result is NG.)
Printout (when the test result is OK.)
PATTERN DISPLAY NG
PATTERN DISPLAY OK
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