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This repair solution shows the location of each particular components that possibly might damaged if the said charging problem occurred.
Samsung S7500 charging circuit components location layout
Check up and repair tips:
1. check, clean or replace the charging pin connector and also see to it that the charging pin contact pads is al free from dirt and corrosion.
2. check the continuity of the fuse by using a multimeter, if found busted replacing it is highly advice.
check the diode if it is shorted, a shorted diode may cause the fuse to blown again, replace it also and don’t just remove it and leave it hang in there. In this method you can save the phone in the future when an excessive charger voltage may cause the trouble again.
3. All other components needs also to check, replace as necessary if the above solution does not solve the problem. just follow the instruction on the repair guide picture above according to it marked numbers.