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Techwood 4205/4210 series Plasma. Got sound but no picture. Any ideas?

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Probably a loose connection, any other hardware to try it on? Possibly non-functional video hardware, different monitor, does t work?

Posted on Jul 18, 2008


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I have an oldish Techwood 42" Plasma TV, my

Hi A common problem for these is bad capacitors in the power supply, Remove the back from your Tv and look at the power supply on the left hand side.
You will see roughly around 9 x capacitors that are bulged / domed shaped on top usually these are valued at 3300uf 10V any that have bulged or leaked a brown like substance should be changed. This will cure the problem as they overheat being sat next to a heatsink that gets very hot! Try and change them for the same 3300uf but a higher voltage. Hope this helps

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Techwood 42" plasma screen television

Do not turn this television on! Any electronic that smokes is NOT GOOD! The smoke and accompanying smell is from plastic and solder that is being melted by a short on one of the TVs logic boards. Call a local TV repair man this is not an issue you could fix yourself and will most likely be better off buying a new television. Stay away from off brands like these, spend the few extra bucks on a name brand like Sony, Toshiba, LG, or Samsung and you won't encounter these types of issues.

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We have power and sound but no picture , i have

If an authorized service repair center will sell you one. However looking at the reviews you may just want to replace the tv since even service centers have issues repairing the tv.

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1 Answer

My techwood 1020 freeview recorder was fully working but now theres no picture or sound and when you press buttons on the remote a little red key is flashing on the box its self. help me please

hi mines is doing same from digital switchover theres a red key flashing and it wont record,although i can still use it as a freeview box.i bought from morrisons but because its just over a year old they told me to phone techwood and techwood told me they only deal with tvs even though its a techwood help number on the box!!

Mar 06, 2010 | Televison & Video

1 Answer

Techwood plasma sound no picture

i think maybe one of the circut boards have went,on it. take to tv repair shop it can be repaired

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techwood twp4205 sound only no picture plasmatv. can you help please.

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Techwood twp 4205 plasma screen wont work

quick easy fix.

white block style ceramic resistors (2 of) on power board.

go to rs components online

part number 199-7696. pennies each.

replace both resistors.


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1 Answer

42 inch techwood plasma no picture

the most common cause for this is the capacitor (1uf 630vdc)located at c19 on the main power board.the cost for this component is around 90p

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1 Answer

Plasma tv techwood 4210

hi the most common fault on this tv is what you describe .i fixed mine by replacing the capacitor (1uf 630vdc) at location c19 on the power board .. cost for this component less than 90p

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