Samsung SM-A507FN Service Manual page 86

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8. Level 3 Repair
8-4-10. Speaker Part
Check speaker function.
Play MP3 with maximum volume level.
Check C-clips of Sub PBA
ANT9003, ANT9005
Check the PWM output at
ANT9003,ANT9005
Check the PWM output at
ANT9003,ANT9005
Check the PWM output at
ANT9003,ANT9005
Replace speaker module
Confidential and proprietary-the contents in this service guide subject to change without prior notice
Distribution, transmission, or infringement of any content or data from this document without Samsung's written authorization is strictly prohibited.
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
END
No
No
Replace MAIN FPCB
No
Replace SUB PBA
No
Replace U6001 on MAIN PCB
Replace C-Clip

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