IndiaReFix - Laptop & TV Repair Forum

Model- Toshiba C660
Motherboard Part No- LA-6842P
Processor Type- I3
Ram Type – DDR III
Problem – Power on No Display

ACTUALY Q29 Q30 (3 &5 OUT PUT MOSFET) NOT SWITCHING
NO VOLTAGE ON PL802

1ST CHECK 3&5 LINE SHORTING
2ND CHECK LDO VOLTAGE OF 3&5 OUTPUT IC'S IF NO VOLTAGE JUST REPLACE.
3RD CHECK DRIVE VOLTAGE ON MOSFET GATE