Acer AL1906 Service Manual - Page 36

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5. PWPC

No Power

Check AC line volt 110V or 220V

Check the voltage of C904(+)

Check start voltage for the pin3 of IC901

Check the auxiliary voltage is between 10V-16V

Check D910, D911, IC902

No power

Check AC line

Check F901, bridge rectified circuit

Check R903, R904,IC901

Check IC901,T901

Check ZD901, D903