GH688,GA628, Standard Electrical Repairs
4/00021-2/FEA 209 544/1.G 39 (112)
6.2 Indicates charging without a charger.
Open the phone and check for liquid damages.
The component side of the circuit board is shown in fig. 6.1.
Fig. 6.1
Give the board power and start it with the On/Off key. Check the voltages VDIG
(~3.2V), VRAD (~3.8V, fig. 6.2) and the resistance in R703 (class A, ~0 ohms, fig.
6.3).
Fig. 6.2
Fig. 6.3
• If any of the voltages are incorrect, proceed to chapter 3 (“Doesn´t start”-fault).
• If the voltages are correct, send the phone to the next level.
When you’ve repaired the fault you need to verify the charging function as
described in section 6.1.1.
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