tvs

[Christopher_5130774]

Hi,

New to caravanning. I am thinking of buying an lcd tv, Could anyone please advise if I need a 12v one or would an ordinary 240v be suitable.

Thanks

Chris

 

[billy2]

Hi chris if your on mains hook up with the van which most sites have then 240volt will do fine but if running off caravan battery as no hook up available then tv must be 12volt lcd tvs use less 12volt than ordinarey 12volt tvs think about digital as all terestrial tv ends in a few years ie digi box or freeview box hope this helps Bill

 

[WatsonJohnG]

We have Manhattan Tv that we bought 4 years ago for more money than was sensible !

Its 12V or 240V via a power pack as many LCD TV s are.

Last week I bought a 15in LCD TV off Ebay for

 

[DeliDave]

we have a sharp LCD which runs on a 12volt transformer.We got a lead and ran it on 12 volt caravan supply but colour and contrast poor,on 240 its fine.If it doesnt state 12volt like roadstar or similar you may have to use an inverter which is heavy on battery.

 

[rob_jax]

The issues with running a 12 volt TV on a 12 volt caravan supply are:

1. The caravan supply is never 12 volts - unless the battery is about to die. Normally a fully charged battery will deliver 12.8 or more volts, but in truth that shouldn't be an issue.

2. Most caravan 12 volt power supplies are crap - they supply unregulated voltage to charge the caravan battery - typically around 13.5 to 14.5 volts. May not be an issue - depends on the TV

3. The unregulated power supply in a caravan is designed to run a few lights, or charge a battery. So there is a fair AC component on top of the 12 volt DC.

If your TV doesn't work too well on 12 volts - it's probably the AC ripple from the mains power supply corrupting the "pure" 12 volts.

Either use an inverter to run the TV on mains (a modern solid state inverter is over 95% efficient) or buy a dedicated 12 volt stabilised power supply for a caravan to fit just before the TV - this will clean off the AC ripple

Robert

 

[WatsonJohnG]

It could also be down to using cable that is too thin and is causing voltage drop.

I had this in the Ace Jubilee Statesman and rewired to the TV point via fuse,relay and thicker cable.

Ace advertised the next yeat "Uprated Tv point"

Using a lead with the right plugs and very thin cable still produced no picture but the Tv 12V lead as supplied produced perfect picture/sound.

Try the tv with short thicker leads off the battery observing correct polarity.

You can not detect any difference with out TVs on 12V/230V/inverter