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No power we change transister 2sc 4460 but stil no power

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Try to change the output horizontal transistor , usally located near the flyback transformer.

Posted on Mar 05, 2009

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My sansui tv have a problem.transister 4460 getting short after replace output voltage drop stand by realese


Check and replace damaged component/s at its horizontal scan output section circuit. Check the LOT (Line Output Transformer) too for damage. Replace the horizontal scan output transistor. Check the input voltage to LOT. If the voltage is absent check the feeder resistor; if any. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/

Nov 30, 2014 | Televison & Video

1 Answer

What couses red diagonal line and red back ground picture on my toshiba television.


short on crt board check driver transisters on crt board if you want to confirm then switch them with green gun transisters from crt just swich them and see if next coclor show difrent if yes transister bad if not open crt cathode from red side to see if crt cathode shorting

Mar 05, 2012 | Toshiba Televison & Video

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What is RCA's part number for the horizontal transister? model# F36650yx01 36" TV


Hello
You can use 2SC 5150 or its equalents on that section. In RCA circuits it is marked as part number TL035

Nov 23, 2010 | RCA F36650 36" TV

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When we turned on our large screen panasonic tv there was a pop, then no sound. The picture is fine. It is several years old. Not a flatscreen. Large speaker at the bottom.


It sounds like the power transister for the amplifier has blown. Inside, it is usually the largest transister connected directly to a heat sink. It will require the ability to solder (and unsolder) in order to affect the repair. Look up the transister from its code inscribed on the case to find a replacement. Power transisters are usually not very expensive. You can go to this link to see what a typical power transistor looks like.
http://innovision-group.net/catalog/index.php?cPath=1_37

Jan 26, 2010 | Televison & Video

2 Answers

TV screen turns green


i think your color combination chip is not working. you may have to change the chip of color system.

Jun 11, 2008 | Sony FD Trinitron WEGA KV-36HS510 36" TV

1 Answer

RCA 32V434T Changed recomended part: New Problem


Was the xformer RCA, new in the box ?.........

The silicon rubber seal is to moisture entry. Do not re-apply.
Make sure your connection is good.......

Did you hook-up signal to verify no sound ?

NSNP , HV ok = something wrong other than xformer....

Check all power supply voltages.....................T.

Check top of electrolytic caps for expanded,bulged or
what techs call "pooched".....................

Apr 17, 2008 | Televison & Video

1 Answer

No Picture


Rarely picture tube also shows the same symptom. High pitch sound is due to through deflection area LOT power supply is loaded. Compulsary horizontal output transister short. From your statement i think Lot puncture takes place. Change LOT and horizontal output transister and check tv is now working.

Aug 23, 2007 | Zenith A32B86R 32" TV

1 Answer

TV PICTURE DOES NOT COME ON, OR NO SOUND


check the bu transister in the horizantel stage and see if it has any voltage reaching there. if not. take the transister and check it out. I think it is needed to be replaced. good luck

Mar 22, 2007 | JVC AV-36890 36" TV

1 Answer

Red drained out of picture


The red transister on the CRT socket could be at fault. there is 3 transisters on the socket check for the voltages on all 3. If the red is high unplug the socket and see if it normal if not the transister or circuit feeding has a short. If low the same case seneral applies and a resistor feeding the transister is defective or the transister itself is at fault

Aug 28, 2006 | Panasonic CT-32SL15 32" TV

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