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Re: still no display
Is there a diode on the other side of the transistor? That could have gone as well (if my electronics repair hasn't failed me yet!!) That is just a stab in the dark. Sorry I couldn't be more help, but it has been quite a few years (15 at least!).
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There are several reasons. If you find one shorted transistor in a push-pull stage you should always replace both. One might be faulty but not shorted, but when in operation it does the other one in. You might have also missed another shorted part such as a diode or voltage regulator. Hunt around looking at the circuit of the confirmed shorted parts and test or replace anything off that circuit.
Finally check your speakers and wiring to them. Shorted output transistors have generally two ways of going like that. Wires touching each other or bad speakers, or having it too loud!
At this point you may be better off to replace the whole board, the four C5707 are transistors, not capacitor. You need to make sure that there are no cold solder joints around inverter transformers lead, check the tuning caps in the inverter output sections. Replacement board: http://www.lcdrepair.us
If you are referring to the C5707 inverter driver transistors, you can test them in circuit with an ohmmeter. Usually one pair will show shorted although only one may be actually shorted. Normal procedure is to replace the pair that shows in circuit short. If you do not resolder the transformer connections your transistors will short again. Monitor Mike
Your inverter power supply has gone bad. You will need to replace the whole board or replace the the 2sc5707 transistors in the inverter area. Check out this link for installation videos and how to for that model http://www.lcdrepair.us/Installation.html
They also sell the whole board as well as repair kits
The F27669 uses the CTC203 series chassis. The most common cause of that symptom is a shorted horizontal output transistor, caused by a cracked solder joint on a small coil connected to that transistor's base. When this happens, the main B+ supply is shorted to ground so the power supply squeels. Every once in a while I also see the horizontal output transistor shorted due to a shorted flyback (high voltage) transformer. A good tech will replace the horizontal output transistor, resolder the coil and drive transformer, test the flyback (replacing it if necessary) and your set will be back to perfect.
The horizontal output transitor is always connected to the primary winding of the flyback transformer (via collector) and also to the horizontal deflection coil via an electrolytic capacitor.
The most likely suspect for damaging the transistor is the fylback transformer. In some countries there are electronic stores that test flyback transformer by winding a few turns on the ferrite core and applying a test voltage. This test will only test the secondary.
The primary winding is difficult to test for turn to turn short because the resistance is quite low and you do not know the 'good' resistance.