Question about Sony KV-32FS13 TV

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32gt660 (ctc187cn3)

I found the horizontal output short I replaced but not for the same number because i dont haved . the tv try to turn on and shorted the transistor anyway , I think the fbt is bad but the part number is erased in the stamp what you think . excuse my english im from purto rico and i need learn more english

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The flyback is availabel as part number 223952-rep from tritronicsinc.com at a cost of $29.00 US.

Please replace the horizontal output transistor wih the correct one as well: Part number 223942 available from above at a cost of $15.49

Dan

Posted on May 21, 2008

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MY TELEVISION DOES'NT POWER UP.


Hello
Check its horizontal output transistor for short circuit. It is a common fault to all type of CRT based TVs, and show this type of fault. If it is found shorted [collector to emitter], the LOT should also be checkd for winding short [internal]. Normally; LOT cannot be checked with normal measuring instruments. If LOT has internal winding short, the horizontal output transistor will get overheated and finally shorted.
Replace the horizontal output transistor first, and check whether it heats up ubnormally within seconds after switch ON the Tv. If it heats up so, make sure that the LOT is defective, and it should also be replaced. OK.

Feb 28, 2012 | Mitsubishi CS-32307 32" TV

1 Answer

At first it briefly had the vertical bars running across then stopped and now It smells and has an message ee


Hello
The horizontal output section of your standard tV should be troubleshooted. There is smot shorted component/s. You have to open your tV to check it. Check the horizontal output transistor, which dirves the LOT. If found shorted, replace it along with LOT.
Let me try to insert the images of these components here. The first two images, have wires are LOTs. You have to check which type is fitted to your set, and have to buy an exact type, both in number and size. The images horizontal output transisotrs is also attached here.

2_21_2012_10_17_29_am.jpg2_21_2012_10_17_58_am.jpg2_21_2012_10_19_12_am.jpg

Feb 21, 2012 | Televison & Video

1 Answer

When i turn on horizontal output tripping. B+ and low voltage ok


Hello
Check the LOT and Horizontal Output Transistor. If horizontal output transistor get shorted [collector to emitter or collector to base], this kind of fault will occur. Here there is nocollector to emitter short as B+ is ok. Check for collector to base leak. It is best to repalce the horizontal transistor with a new one, and switch on the Tv for a short while, say 10 seconds or so, and feel the heat of the replaced transistor. If it gets overheated, of LOT makes a whisiling of hissing sound, LOT is faulty, and shoul be replaced sith same type and number. OK.

Apr 17, 2011 | Sony PVM-14N6U TV

1 Answer

My china tv horezantal transister heatup


Hello
If horizontal output transistor heats up rapidly within seconds after the TV is switched on, surely there is some fault in the horizontal output section. It may be either with deflection yoke or horizontal output transformer. Deflection yoke fault is very rare, about 1% or so. but the horizontal output transformer fault is common. The winding in the horizontal output trnsformer, otherwise called as line output trnasformer [LOT] also. can be shorted inside it, and is irrepairable. It should be replaced with same type and number. Number and type is mor important, and should be insist on. Replace the horizontal output transformer. OK.

Feb 12, 2011 | Sanyo Televison & Video

1 Answer

I have a Sony Trinitron 34" tv. It will not turn on. The red light blinks 6 times then pauses and blinks 6 times again. Is this an easy fix or time to get a new t.v.?


hi,
ur tv has problem with horizontal output stage. check the horizontal output transistor. if it found short replace the same and switch on the tv. if the same fault occur again, then the lot (line output transformer) may be faulty. also check for any dry soldering in the power supply stage and horizontal output sage.
ok

Jan 03, 2011 | Sony FD Trinitron WEGA KV-32FS120 32" TV

1 Answer

Toshiba crt tv clicks when I try to turn it on


Hi,
Mostly horizontal output section got problem in crt tv, check horizontal output transistor and replace it if found shorted.
Let me know model number of tv to look for related schematics for more info.
Thanks.

Dec 17, 2010 | Toshiba Televison & Video

1 Answer

SONY KP-61V90 tv will not power on, red light in front,


Its 2 times blink error code that shows +B volt supply (+135 volts) is shorted, most probably horizontal output transistor is shorted, replace it.
If you are good in soldering parts in circuit board then take out horizontal transistor, check it, found shorted then replace it with same number.

Horizontal output Transistor Q502 number is 2SD2578 and available in Part Store for $10
Let me know for further query, if any.
Thanks.

Nov 18, 2009 | Sony Televison & Video

2 Answers

Tv will not turn on


First, locate the horizontal output transistor. This is found very close to, or next to, the horizontal output transformer (also known as the flyback). The flyback should be on an aluminum heat sink, or on the side of the metal chassis. Disconnect or unsolder two of the three legs of the transistor. Measure it with your meter, or plug in the set with the light bulb attached across the fuse.
If the transistor is shorted, or the light bulb doesn’t glow bright anymore, replace the transistor and plug back in. If the light bulb glows bright again, you must replace both the flyback and horizontal output transistor simultaneously. In some cases this will fix the set, but sometimes there are multiple problems with a set.
Go to where the flyback is, and start measuring the diodes and capacitors on the flyback itself. If you don't find any shorts there, it could be a shorted vertical output IC, a shorted sound IC, a shorted disc capacitor in the Hi Voltage/sweep circuit, or in rare cases, a shorted capacitor or tuner.Feel free to ask and post whatever the result of your troubleshooting..


Hope this may help;

Regards,
VOTIT

DON'T FORGET TO RATE

Aug 25, 2008 | Toshiba 32A33 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

3 Answers

Sony KV-32S40


When the horizontal output (2SC4927) is shorted it means one of 2 things is wrong - the horizontal drive transformer has cracked solder joints or the flyback transformer is shorted inside. If the solder joints on the horizontal drive transformer (the small grey transformer connected to the base of the horizontal output transistor) are cracked then the set will play for a little while and then the parts you just replaced will again be destroyed. ALWAYS resolder the driver transformer when replacing the parts you mentioned! When I replace the parts you mention and I do not see any obvious cracks on the driver transformer then I unsolder the B+ pin of the flyback (labeled 135, for 135 volts) and put a 60 to 100 watt lightbulb (drop-light) in series with the flyback. This means that the 135 volts B+ goes through the lightbulb and then into the flyback, so the lightbulb acts as a current limiter to protect the horizontal output. When you turn the set on the bulb should glow no more than about half bright and you should hear the high voltage come up, but you should not see a picture. If you turn the set on and the bulb glows as bright as if it was plugged into the wall then you can bet that flyback is shorted and must be replaced.

Jul 12, 2007 | Sony KV-32S40 32" TV

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