GH688,GA628, Standard Electrical Repairs
5 Display.
5.1 Kind of fault.
Insert a fully charged battery and start it up using the On/Off-key.
Y If it doesnOt start, proceed to chapter 3 (ODoesn?t start�-fault).
Y If the display is missing one or more segments, proceed to section 7.2.
Y If the display is totally empty, proceed to section 7.3.1.
Y If the contrast is low, proceed to section 7.3.2.
Y If the all the segments in the display are Olit� proceed to section 7.4.
5.2 Segments are missing.
Open the phone and check for liquid damage. Replace the display. Observe that
there are two kinds of display for GH 688.
5.3 The display is totally empty or the contrast
is low.
5.3.1 The display is totally empty.
Start the phone using a dummy battery. Check the current consumption.
Y If the phone consumes more than 200mA, check the display and see if it is dam-
aged.
* If it isnOt, replace the elastomer and try again.
* If it doesnOt help, replace the display and try again. If the current con-
sumption still is high, proceed to chapter 3 (ODoesn?t start�-fault).
Y If the phone consumes less than 200mA, open the phone and check for liquid
damages.
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