GH688,GA628, Standard Electrical Repairs
4/00021-2/FEA 209 544/1.G 64 (112)
Fig. 10.2
If it is, replace it. Assemble the phone, start it and set the correct time. Wait a few
minutes for the backup capacitor to charge. Remove the battery and reinsert it after
a minute. Check if the error is fixed (the backup capacitor needs a few hours of
charging to reach full capacity). Compare to the correct time. If the clock is speed-
ing or is halted, proceed to section 1.3.
10.3 The clock is speeding or doesn’t change.
Open the phone and check if the crystal B600 is correctly soldered.
• If it is then replace B600, C690 and C691 (all of them class A). NOTE! The val-
ues of C690 and C691 varies depending on the version of the D600, see the spare
part list.
All components are shown on fig 1.3. Assemble the phone and compare to the cor-
rect time.
Fig. 10.3
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