Question about LG Studioworks 563N 15" CRT Monitor

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Hout transistor is burning but lot is ok - LG Studioworks 563N 15" CRT Monitor

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SOURCE: LG Studioworks 552V hout burns off

1. cheak the G2 , G4 wires. ( properly fixed it )

2. Near to LOT one flyback capacitor 1600 / 2KV problem.

3. damper diode BYW 96

4. LOT Problem.

Posted on Oct 24, 2008

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3 Answers

Samsung CXM2785TP


it will have a short in the vertical stage or power supply to it, and maybe even a power supply regulation failure(high voltage) that set the whole thing in motion. I will do some research for you and get back real soon :)

Feb 01, 2008 | Samsung DynaFlat CXM2785TP 27 in....

1 Answer

Onidi crt tv Dead condition At the tme of swithing power led blinks once No power suply in hout Bt 310 v across capacitor Hw i ll chech There is no out in choppt to hout section model CO21BLDU onida


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/
Type in the brand name of your device, in the search box [at the top right] of the display window and the Search will start at once as you type in, and will show you all the related posts. It will make surf easy.

Apr 30, 2015 | Televison & Video

1 Answer

My Samsung cs21a503fl Hout getting over heating (TT2222 and FQH21a004 LOT) Replaced but now horizontal width bit high ?


There are many reasons for this fault. If the transistor is leaky, it will overheat. If the winding have a short [horizontal out section of the deflection yoke], the transistor will overheat. If the base pulse width is abnormal, this might happen. You have to find out the exact reason for this. Contact any service technician. It will be the best. Your set need a through checkup.
If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Magazine" will make surf easy. Pull up older posts. Surf the site with patience. Do a search by type in the brand name of your device at its search box.
http://electronicshelponline.blogspot.com/

May 13, 2014 | RCA F32645 32" TV

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

LG MODEL NO: RT-54NA11T I NEED THIS TELEVISIONS


Are you needing to find Part# for Hori output Transistor?

Jan 07, 2011 | LG Televison & Video

1 Answer

LG Studioworks 552V hout burns off


1. cheak the G2 , G4 wires. ( properly fixed it )

2. Near to LOT one flyback capacitor 1600 / 2KV problem.

3. damper diode BYW 96

4. LOT Problem.

Oct 24, 2008 | LG Studioworks 552V 15" CRT Monitor

1 Answer

Sutable transistors(hout)


the transistor is a ksc5802

vcbo=1500
vceo=800
vebo=6
Ic=10

Dec 28, 2007 | Samsung SyncMaster 753S 17" CRT Monitor

1 Answer

JVCAV-N2043TV,Horiontal Output Transistor burns out everytime if fix a new one


Hi There,

The Hor Output transistor is connected to the Line Output Transformer. This transfromer provides a lot of voltages around your TV set but includes the very high voltage to the Picture tube...

These transformers are specially tuned to resonate at a certain frequency,
The Hor output transistor needs to match this frequency....so if the wiring inside the transformer is shorted by "just a bit" the picture will be visible but the transistor is struggling to match the transformer impedance,from the mismatched tuning...so the transistor draws more current from the power supply.. runs hot then burns out...

Usually manufacturers provide a Trip circuit that detects that an overload on the power supply is occuring and cuts the power to the Line output stage ...this is usually detected by a clicking sound within the power supply its called hiccuping.

If some one has altered the correct setting on the power trip circuit then the next thing that happens is the Transistor goes Blooooey like in your case.....

So to save you a lot of money replacing the output transistor
please replace the output transfromer as well next time...

But please... please... re-check the power supply trip circuit to save you a lot more expense in the future....

Best Regards From YUBEUT

Oct 10, 2007 | JVC AV-27230 27" TV

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