Lcd Display; No Display On Screen After Power-On - Lenovo A859 Service Manual
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Also See for A859:
- Quick start manual (33 pages) ,
- Important product information manual (23 pages) ,
- Quick start manual (6 pages)
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Repair Manual of Lenovo S920 Mobile Phone
LCD display
3.1.1
No display on screen after power-on
White screen or blank screen without display; backlight
Check whether the connection of LCD FPC is
good and re-assembled FPC phone is normal
Check whether the display is normal after
replacing LCD,
Check whether the EMI device E1601,E1602,
E1603，E1608，E1611 of LCD circuit on main
board is welded incompletely; re-weld EMI
device
Check whether there is cold solder joint on other
device around LCD and on LCD connector.
with lighting
Y
OK
N
Y
OK
N
Y
OK
N
10
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