Questions & Answers for: Zenith transistor tv

...transistor is defective. If you are familiar checking continuity of base to collector to emitter and reverse, again you're set, if not perhaps you check all three and compare which have the same ...

...tv. Left it unplugged over night and I'm still having this problem. I believe you have a shorted transistor on the crt board on the back of the picture tube which should be Q5104. Let me tell you my ...

...And if it is worth repairing if I do it myself. THANKS yea i have seen this b4 there are 3 driver transistors on the main board by large ic, if you follow from the crt board back you will see wires ...

...TV is almost 10 years old. Is it worth it to fix? Hi, A short answer, YES. I suspect a cold solder on the red drive transistor. That transistor is one of 3 identical components (one for each of the ...

...case, any posible help is really apreciated, thanks. how is the 200 volt supply to the video output transistors?? measure the collector voltage of the video output transistors with the crt board on ...

items, most of which are relatively easy to fix. The most likely are poor connections at the driver transistors on the pc board that is on the neck of hte picture tube. The driver transistors could be

...flyback transformer, it has a small crack and voltage is leaking out, replace the flyback, if tv still not working replace horizontal output transistor (broken flyback could blow the

...i change the fuse it blows. what do you think the problem is? You have a shorted Horizontal Output transistor and a bad capacitor or two. Look for a bad resistor and you may have a bad flyback ...

...TV and see if you can locate any other large power transistors in metal (TO3) cans or plastic (TOP3) cases. There may be a separate transistor that does the low voltage regulation or a separate ...

...hot side 4A 220v burns after replacing. model NE-2156 national electric chinese assemble check the transistors in the power supply they aways blow check alal the part in the hot part and in the ...