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My sister in law tv Thomson 28wh403s is sparking when the power comes on with no picture. The sparks are coming from the HT any ideas or how much will it cost to repair

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Yes it seems like you have a faulty LOPTX Transformer.. But first make sure where the sparks come from PLease note this is dangerous high voltage, a lott of times the HT wire is burnt trough and can be sealed by thick insulation tape ...thank you

Posted on Dec 07, 2008

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Probably about 300.00

Posted on Dec 07, 2008

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1 Answer

I got power to coil nothing comes out of coil


if you have power to the coil the only things that can be wrong are: -
1. the coil is duff.
2. The HT lead is broken.
3. the plug cap is duff, broken.

Remove plug cap and see if there is a spark from the wire core when the lead is placed near the engine/frame.

If it sparks OK replace the plug cap,. no spark means either the coil or the lead are duff. If you can replace the lead try testing again without the cap. Hope this helps.

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1 Answer

I do not have any spark at my spark plugs this after I replaced my voltage regulator


check ht cap ..check ht lead, check condition of cut out switch, check power coming from coils, check power coming from cdi unit,

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1 Answer

Derbi Senda Xtreme wont start any ideas please???


check your spark plug to see if you have a spark if not check your spark plug cap to see if that id the reason and if its not that check your ht lead dowt it will be that but its possible then check your coil to see if theres any power coming from that .
2nd... you might be starving it from petrol remove your carb and clean it all out remove your jets and blow them to get a dirt out that is in them , then remove your petrol pipes and clean them out to prevent any blockege

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1 Answer

What is the ht lead


The HT lead ( high tention ) is the thick black cable coming out of the ignition unit, with the spark plug cap connected to the other end, which then sits on top of the spark plug.

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1 Answer

Thomson 28WH403S no picture red light flashes


this is an error code and the flashing points the engineer to the fault area

May 22, 2011 | Thomson Televison & Video

1 Answer

I get interferance mainly red and green lines appearing on top of the picture plus crackling noises


Please put off your tv and open the back side of the TV. Look for dirt on the back side of the CRT that is causing the arcing of the high voltage. So when the high voltage is sparking against the ground section the lines are coming to the screen. So use a good dry cloth to clean and wipe clean.Use a good solvent like methy spirit to clean. Check to trial and repeat if the fault is repeating. Make sure the HT lines are not touching but keep them apart to redduce the sparks. Hope this will get the TV right. Good day

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1 Answer

2003 gilera 50cc no spark or power from ht lead


check your ignition module as a short circuit or spike in current may have burnt it out. all other electrical functions will work but not ignition ie spark

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2 Answers

Power issue


your set needs to go into repair shop for this problem.

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1 Answer

Thomson 28wh403s tv


You will need to see if SAP is turned on and the turn it off. Then go through with your setup procedures.

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