Lenovo A536 Service Manual - Page 18

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Lenovo A536 Service Manual

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?
N
Replace the LCD，whether
the screen display is normal?
N
N
N
Replace the CPU（U201）
Y
OK
Y
OK
Y
OK
Y
Heat these
parts.
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