70
10. Earphone issue
NO.
Issue Description
Cause
Solution
1
No function
Earphone socket is defective
replace earphone socket
MB is damaged
Repair MB
2
Earphone acoustic
anomaly
Earphone socket is defective
replace earphone socket
MB is damaged
Repair MB
11. Receiver/speaker box issue
NO.
Issue Description
Cause
Solution
1
Acoustic anomaly
Speaker/receiver has defects
replace it
MB/SB has defects
Repair MB/SB
2
No sound
Speaker/receiver connects poorly
re-assemble it
Speaker/receiver has defects
replace speaker/receiver
MB/SB has defects
Repair MB/SB
1. Check if the speaker/receiver shrapnel
connection to SB/MB.
2. Check the speaker/receiver quality.
3. Check and repair
MB/SB
.
Summary of Contents for ACER Z320
Page 1: ...1 Z320 SERVICE GUIDE ...
Page 10: ...5 Phone Tour Six View ...
Page 14: ...9 Bottom View Figure 1 4 Bottom View Item Description 1 USB Port 1 ...
Page 15: ...10 Left View Figure 1 5 Left View ...
Page 27: ...22 Click Next Automatic install ...
Page 29: ...24 4 2 User interface of WriteStation ...
Page 30: ...25 ...
Page 31: ...26 4 3 Set parameters ...
Page 32: ...27 Password 20120405 ...
Page 42: ...37 5 3 Operation complete ...
Page 45: ...40 Write IMEI BT WIFI successfully ...
Page 66: ...61 ...
Page 69: ...64 12 Combine and compress the battery cover with the handset ...
Page 88: ...83 Test result interface as below ...