Lenovo A316 문제 해결 매뉴얼 - 페이지 18
{카테고리_이름} Lenovo A316에 대한 문제 해결 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Lenovo A316 33 페이지.
페이지 인쇄
3.6 LCM fail
3.6.1 LCM no display when power on
Check the LCD FPC connection
is OK, whether the phone
properly reassembled FPC
After change LCD，Check
Display is normal
Check MB schematic of LCD, pathway EMI
device as well as welding supply on the
motherboard to check whether it is normal,
plus welding EMI filter.
Check whether there are other devices
LCD surrounding Weld, check LCD
connector is soldered
White screen or black screen
no display, with bright
N
N
N
N
Change CPU
Y
OK
Y
OK
Y
OK
Y
Plus
welding
Weld
18