Samsung SM-T520 Service Manual page 39

Level 3 Repair
8-3-4-1. Speaker Part (LEFT)
Check speaker function.
Play MP3 with maximum volume level.
Check connector where LEFT
Speaker is placed
for any damage
Check component soldering
statuses of L608, L610
Check component soldering
statuses of U611
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Yes
Yes
Yes
Yes
END
No
Set the CN602 connection
No
resolder or replace L608, L610
No
Resolder or replace U611
8-11