A1018s/A1018sc Standard Electrical Repair
4/00021-2/FEA 209 544/16.B 25 (42)
6.2 Doesn´t show charging in the display.
Open the phone and check for liquid damages. Make sure the pads of the system
connector are not burned or have oxide or dirt on them. Clean them with isopropyl
alcohol if necessary. If the gold plating is damaged, the board has to be discarded.
Replace V450 (class A, Fig. 6.1)
Fig. 6.1
If the fault still remains, send the phone to the next repair level.
6.3 Starts and shows charging, but the battery
isn´t charged.
Open the phone and check for liquid damages, especially at the system connector.
Measure the resistance of R553 (0.1 Ohm, class A, Fig. 6.1). Replace if it is incor-
rect.
If the fault still remains, send the phone to the next repair level.
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