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Need Transistor Need a Transistor for Model #27F67OT

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What is the transistor valve description?


Posted on Feb 26, 2008

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Download the repair manual to this set by internet. It has all details.

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I loss the horisontal regulator of my philips tv with 25pt463a/7ir model

You are talking about the horizontal output transistor damage I assumes and post this solution. If LOT has internal winding short, the horizontal output transistor will get shorted. It will be best to replace the horizontal output transistor, alongwith the LOT

Mar 03, 2012 | Televison & Video

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What is the replacement for fn155 transistor sony tv regulator

There is not enough info here to provide you with an answer. Please supply the model number and and numbers on the component itself. Or, the circuit designation of the part if you have that. I can look up hte part and proide either a location to purchase the original or a substitute as you request.


Sep 10, 2011 | Sony Televison & Video

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Sears 32 inch bright horisantal line across screen maybe 1/4 in rest of screen black have sound

Hi, bronco, my name is John. Welcome to FixYa. This could be the horizontal output transistor, also called HOT. It also could be cold solder joints that need to be resoldered where they have lost connection or contact. This is a easy fix. If you have some soldering experience. Remove the back from the TV, the HOT is located on a flat aluminum piece. It will be a three leg (pin) transistor with a screw at the top of it. Make sure the TV is unplugged, slide the circuit board out, on most boards will be held in place with screws. With the board solder side-up and with a desoldering iron, remove it and the screw. You can order parts here . Give them the number off the transistor. You will need some heat sink compound when replacing the transistor to the shield. Thanks for choosing FixYa. Good luck.......John

Dec 11, 2010 | Televison & Video

1 Answer

Find a horizontal output transistor or flyback

Flyback transformer part number for a tv RCA F32648

Mar 06, 2010 | RCA F32648 32" TV

1 Answer

My tv is making a squeaking noise its a model 736668.

If you have that loud noise and no picture it may need the horizontal output transistor, this noise comes from the h drive circuit and usually is caused by a shorted h.o. transistor. Some times is not enough to replace the transistor, and a hv transformer may have to be replaced also. The model does not appear to be correct, but if you are a bit able with how to use a multimeter you can test the transistor which is the easier component to test. Technical expertise will be needed for the inspction of a hvt unit or something elese. hope this helped you and please leave feedback if your question was answered. thanks!

Aug 28, 2009 | RCA Televison & Video

1 Answer


There is no generic Horizontal Transistor for all Sony Televisions. Having repaired many different tyupes of sets over the years, the only thing that will help you is a set of schematics, and the model numbers on the transistor. You will need the schematics to find/check the other components in the display circuit that may also be bad. Very rarely did I just need to replace a HT without other power supply components as well.

Nowadays, it really does not pay to bother opening most CRT sets anymore. If you can get the schematics, you usually spend $25-$35 just on those, before you get into the actual repair.

May 22, 2009 | Sony Televison & Video

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Disney DTD1363-car, Need part # of transistor

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Is there any recall on the tv

Mar 12, 2008 | Disney DTD1363-CAR 13" TV/DVD

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Standby light red

my precission tv model ptv1444 ic lock i dont have the original controll, quetion how cai i unlock the tv, thanks

Nov 27, 2007 | RCA F19426 19" TV

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