Question about RCA F32668 32" TV

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RCA CTC203 chassis-Flyback and hot replacement

I got a 32 inch RCA pip tv from the curb and now I know why. The flyback and horizontal output transistor are out. I work with guitar tube amps so I;m used to dealing with electronics, and think I can handle the replacement. The only question I had was relative to the wire that goes into the tube. Will that large red wire separate from the old transformer to be re-used in the new flyback? From the pictures I see the suction cup but I was under the impression that it went right into the tube. How is that replaced, if the original is not meant to be re-used. Thanks.

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Use the one that comes with the new transformer. The old one can be removed by squeezing the sides of sucktion cup.

Posted on Feb 11, 2009

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I have sound but no picture on my rca 32f531t


you can have these guide:

Flyback Transformer


the horizontal output transistor is for ITC008


search these site you can find more info for your chassis

that was 2 years ago

Sep 28, 2012 | RCA 32F531T 32" TV

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

I have a 1993 36 inch RCA, model # P46151WK. TV was on and suddenly heard something pop and it started to smell like something burned inside. It wont turn on anymore.


You may have a fried horizontal output transistor and a defective flyback transformer. If indeed this set is 17 years old.......cheaper to replace him...sorry!

Mar 01, 2010 | RCA F32650 32" TV

1 Answer

My tv keeps cutting of soon as i turn it on what wrong wit it?


You are in shutdown protect mode, it may be due to a bad flyback transformer and horizontal output transistor, replace both if one is found bad. RCA is nortorious for flyback High Voltage transformer failure.

Dec 21, 2009 | RCA 32F531T 32" TV

1 Answer

36" RCA- loud whine/squeal when it is plugged in, otherwise no power.


The HOT Hortz output transistor has gone home, 99% of the time from a faulty IVHT (Flyback Transformer), very common on the ctc187cl* chassis. The factory Flyback is no longer available, I have had problems finding an aftermarket one to replace it with.

The HOT is a BUH517, but you can also use a 2SD5129. It is the transistor mounted on the siler heat sink with a metal clip rather than a screw, just in front of the flyback.....

If you replace just the HOT, most of the time you will get a rapid arc (27,000volts - BE CAREFUL!!!) from the lower (yoke) post on the flyback. If the flyback is shorted, It may also just burn out the HOT and go right back to "squealing"....

Good luck finding the flyback!!!

Oct 06, 2008 | RCA F32450 32" TV

1 Answer

RCA pix tearing horizontal lines


Get an ESR meter and check all the electrolytic capacitors in the set! I am sure you will find many decoupler and coupling capacitors that are on the edge or too high in ESR.

Jerry G.

Nov 30, 2007 | RCA 32F531T 32" TV

1 Answer

Tv problem


The F27442 uses the CTC203 series chassis and that symptom is very common. If the horizontal output is shorted you MUST resolder the coil in series with the base of that transistor and the pins of the small horizontal drive transformer. When they have been properly resoldered you can put in a new original horizontal output transistor. If the output transistor shorts out again then your flyback (high voltage) transformer is shorted and needs to be replaced.

Aug 08, 2007 | RCA F27442 27" TV

1 Answer

RCA F27669 27"


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.

Aug 08, 2007 | RCA 27V570T 27" TV

1 Answer

32" model# F32668


The F32668 uses the CTC203 series chassis and I usually see 2 problems when the set will not run. The first is poor solder joints on a small coil near the horizontal output transistor, but if thats the case the set tends to run for a while and randomly shut off. When the set clicks and never runs I usually find that the flyback (high voltage) transformer has shorted out inside. In this case the flyback should be replaced by an experienced tech.

Aug 05, 2007 | RCA F32668 32" TV

2 Answers

31GT740


The GE (actually RCA) 31GT740 uses the CTC203 series chassis. The first thing I would do is resolder the coil on the base of the horizontal output transistor and the pins of the horizontal drive transformer, as well as any other solder joints on the main PC board that look weak or cracked. 9 times out of 10 that cures the symptoms you described. If you do not have experience soldering parts on PC boards then have a qualified tech handle it for you.

Jul 26, 2007 | GE 31GT740 31" TV

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