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Level 3 Repair
8-31
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8-3-5. KEY Working
Volume KEY
Press Volume Key
NG
Check the
VR500 and U614
Resoldering or replace VR500/U614
NO
Check the
tact switch
Change the tact switch
YES
Check V500
Siganl
YES
Resoldering or replace U615
Resoldering or replace UCP300
Key is not working
NG
NG
Replace PBA
Key is not working
Содержание Galaxy Mini GT-S5570
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