A1018s/A1018sc Standard Electrical Repair
4/00021-2/FEA 209 544/16.B 41 (42)
If it is, replace it. Assemble the phone, start it and set the correct time again. Wait a
few minutes to allow the backup capacitor to begin charging. Remove the battery
and reattach it after one minute. Make sure the fault is fixed. (The backup capacitor
needs to be charged for a few hours before it is fully charged.) Compare to a clock
with a correct time. If the clock still is speeding or halted, proceed to section 10.3.
10.3 The clock is speeding or halted.
Open the phone and make sure the crystal B600 is correctly soldered. If it is, replace
B600 (class A), C690 (class A) and C691 (class A, all components in Fig. 10.3).
Assemble the phone and compare to a clock with the correct time.
Fig. 10.3
If the fault still remains, send the phone to the next repair level.
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