Lenovo A316 Troubleshooting Manual - Page 13
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3. Analysis flowchart
3.1 Boot fail
Boot fail
Check the power key FPC
solder ok
Confirm the M/B current is too large
Connect the USB, if the computer
can get the device
Check if have 32KHz from 26M
TCXO
Check the 26 M can workable
Check BATT connector
Check the PMIC？CPU,PMU & EMMC voltage ok?
Exchange memory U402
N
Y
Y
N
Y
N
N
Y
N
Y
N
Y
Y
Change the FPC
Change the M/B
Re-download the SW
Check the 26 M
TCXO
Re-mount
Re-mount
N
Re-mount or exchange
PMIC
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