Information and Communication Mobile
Confidential 24 ICM MP CCQ GRM C
J. Junggebauer
Version 1.1 October 2003
7.9 Display module faulty
Affected unit: Gigaset SL1
Diagnosis code IRIS: 21100 (DISPLAY / PERFORMANCE / NO LETTERS)
21200 (DISPLAY / PERFORMANCE / LINE-/COLUMN ERROR)
23200 (DISPLAY / MECHANICAL DEFECT / DISPLAY BROKEN)
Repair level: Level 1
Components: Display module for SL1
Needed equipment:
tweezers
Working material:
none
Diagnosis: Missing lines, columns, display does not work at all or
display (LCD) broken.
Repair: The display is connected with a zero craft connector.
Take some tweezers, open the connector and release it.
Insert a new display module and close the connector.
Make sure that the display foil is inserted correctly.
Test:
Do a display test. Press 1,4 and 7 simultaneously and keep pressed while switching
on the handset. Release all keys.
Press a key. You must see a grid on the display. Press another key in order to
change the lines and columns of the grid displayed. If you see again a grid the
display is o.k.
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