Iv. L2 Troubleshooting Guide - Acer HARLEY TAB A3-A20 Service Manual

IV. L2 Troubleshooting Guide

1. Structural parts fault
Replace structural parts referring to III. Disassembly and Assembly Guide.
2. Boot failure
Fail to boot/start up
Check if battery is installed
correctly and fully charged.
Check the connection between
LCD module and MB (cable and
LCD, cable with MB)
Replace non-defective LCD
YES
module to make sure if normal
52
YES
YES
YES
YES
Re-download
NO
Replace MB
OK
NO
Reinstall & recharge
NO
Re-assemble
Replace LCD and
make bad marks
YES
Normal download, keep
parameter when download
YES
Repair the MB referring to the
troubleshooting guide for L3 repair