Re: LCD Philips 47PFL4606H/12 - power supply doesn't start, no voltages

I have also repaired a thunderstruck 42PFL4606H with the same symptoms as in the original post. Initially standby voltage was 0.0 volts; after replacing IC905 (TOP264), ZD907 and Q906 it rose to 0.5 volts.

After that I could no longer measure any broken semiconductors so I tried if there was something wrong with the protection circuits of the standby SMPS and shorted IC905 pins 1 and 2 to primary ground. Then I got +5 V on the standby line. After a more careful analysis I removed the shorts and...