Lenovo A536 Servicehandleiding - Pagina 18

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3.6 LCD has no display

3.6.1 Power on and no display

Checks the SMT quality of these EMI

filter. Whether these parts are SMT good?

Whether the powers supply are normal?

Checks the SMT quality of LCD

connector. Whether these parts

are SMT good?

White or black screen and

have no display, backlight

is good.

The SMT of LCD connector

and EMI filter is not normal?

Replace the LCD，whether

the screen display is normal?

Replace the CPU（U201）

Heat these

parts.