Lenovo Z500 LA-9063P noBacklight - No PWM voltage

03-23-2023, 10:45 AM

ktmmotocross

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Lenovo Z500 LA-9063P noBacklight - No PWM voltage

Hello.
Have this Lenovo Z500 LA-9063P that have no Backlight. All voltages is ok but no PWM voltage. R431 have no voltage on botha sides. looks like PWM come right from EC. This means that EC is burned?

Attached Files

Lenovo IdeaPad Z500 Compal LA-9063p Rev1.0 schematic.pdf (1.55 MB, 9 views)

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