Lenovo A859 Service Manual - Page 18

Browse online or download pdf Service Manual for Cell Phone Lenovo A859. Lenovo A859 36 pages.
Also for Lenovo A859: Important Product Information Manual (23 pages), Quick Start Manual (6 pages), Quick Start Manual (13 pages), Quick Start Manual (33 pages)

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Repair Manual of Lenovo S920 Mobile Phone

Keyboard

CTP keyboard is invalid

Whether the CTP test is normal?

Replace one CTP to see whether

it is the problem of touch screen

or main board?

It is the problem of CTP connector

J1603or main chip U1201 welding

CTP damaged,

replace it

Replace CTP