Earphone Issue; Receiver/Speaker Box Issue - Acer Z320 Service Manual

10. Earphone issue

NO. Issue Description
1 No function
Earphone acoustic
2
anomaly

11. Receiver/speaker box issue

NO. Issue Description
1 Acoustic anomaly
2 No sound
Cause
Earphone socket is defective
MB is damaged
Earphone socket is defective
MB is damaged
Cause
Speaker/receiver has defects
MB/SB has defects
Speaker/receiver connects poorly
Speaker/receiver has defects
MB/SB has defects
1. Check if the speaker/receiver shrapnel
connection to SB/MB.
2. Check the speaker/receiver quality.
3. Check and repair MB/SB.
Solution
replace earphone socket
Repair MB
replace earphone socket
Repair MB
Solution
replace it
Repair MB/SB
re-assemble it
replace speaker/receiver
Repair MB/SB
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