Iv. L2 Troubleshooting Guide - Acer B3-A10 Service Manual

IV. L2 Troubleshooting Guide

1. Fail to power on
NO. Issue Description
1 Fail to power on
2. LCD issue
NO. Issue Description
LCD shows blank
1
screen/white screen/lines
LCD has defective
2
appearance
Cause
Side key FPC isn't welded well
side key FPC breaks
MB has defects
1. Check if the FPC is damaged or
connects improperly
2. Replace the FPC
3. Check and repair MB
Cause
LINK FPC isn't well assembled
FPC breaks
MB has defects
SW cause
FPC connector damages
LCD scratches
LCD is damaged
Solution
re-weld
replace side key FPC
Refer to MB Service Manual
Solution
re-assemble LINK FPC
replace LCD
Refer to MB Service Manual
re-update software
replace LCD
replace LCD
replace LCD
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