Samsung Galaxy A52s Service Manual page 34

8. Level 3 Repair
8-4-10. Speaker Part - Bottom speaker
Check operation of *#0*# SPEAKER ▼
YES
NO
Check SUB PBA C clip
Swap SUB PBA ANT1001,1002
ANT1001,1002 are normal
YES
NO
Swap Sub PBA L1001,L1002
Check the SPK Output
Swap Main PBA AMP(U7001)
at SUB PBA
L1001,L1002
YES
Swap BOT Speaker Module
END
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