GH688,GA628, Standard Electrical Repairs
3.2 Visual check.
Make a visual check. Make sure that the battery screws are intact and properly
mounted, that the isolator sleeve (GH 688) is properly mounted, that the volume
keys arenOt stuck and that the system connector isnOt dirty or liquid damaged. Con-
tinue at 3.3.
3.3 Current consumption with On/off-key
pressed.
Insert a dummy battery.
Y If the phone consumes current immediately it usually means that C403 (class A,
Ţg. 3.3) is faulty but Ţrst you should make sure that the frame gasket isnOt in con-
tact with the positive battery connector pad at the circuit board (Å¢g. 3.4).
Fig. 3.3
Fig. 3.4
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