TV electrical connections

[bluetooth]

Afternoon all.

I have TVs onboard fitted by previous owners. They are all on 240v mains power though all have transformers.

I'm wondering how to make them 12v so can be used at anchor without generator on.

Would something like this do the job, and be safe ? I would wire direct to battery.

TIA

 

[Boathook]

Some tv's need a higher voltage than 12v. Do you know what the voltage output of the transformer is ?

 

[bluetooth]

I don't but will have to take wardrobe apart to check. Just wondered whether there may be a simple option or whether it's very specific.

 

[Hurricane]

Just fit a cheap 12v to 240v sinewave inverter for them.

 

[bluetooth]

Suppose could do that but was hoping to make bit more refined

 

[simonfraser]

voltage 'increasers' on ebay etc, have fitted one to get 18V out of 12V for a laptop

 

[Seastoke]

Is your transformed down if so it may be ac remember battery is dc so might need a rectifier

 

[jrudge]

I am not sure why an inverter is not refined !

 

[bluetooth]

I am not sure why an inverter is not refined !

I was thinking a single cable from battery to TV, compared to daisy chain of wire from battery to inverter to transformer to TV.

Admit it's a simpler electrical option!

 

[Hurricane]

Suppose could do that but was hoping to make bit more refined

An inverter would be safer - better protection of surges etc.
You would also be using the TV's designed power supply thus including any protection built in.

I have a friend with a fixation about running things 12v and risking his kit.
IMHO - if the device is designed to be used in a 240V AC environment - use it in one.

 

[bluetooth]

An inverter would be safer - better protection of surges etc.
You would also be using the TV's designed power supply thus including any protection built in.

I have a friend with a fixation about running things 12v and risking his kit.
IMHO - if the device is designed to be used in a 240V AC environment - use it in one.

Fair enough. Looking at it further, adding inverter where the plugs are is straightforward as well. Cheers all

 

[PaulRainbow]

Sorry, but using inverters to run DC TVs is inefficient and if that's all one wants to run from DC at anchor, it's a lot of work and expense.

Fag lighter sockets are crap. Running 12v appliances (such as TVs) from the batteries can be risky, charging systems can be as high as 14.8v, which might cause damage.

The answer is a DC-DC converter for each TV.

OP will need to check the output of the power bricks to match one.

 

[bluetooth]

Sorry, but using inverters to run DC TVs is inefficient and if that's all one wants to run from DC at anchor, it's a lot of work and expense.

Fag lighter sockets are crap. Running 12v appliances (such as TVs) from the batteries can be risky, charging systems can be as high as 14.8v, which might cause damage.

The answer is a DC-DC converter for each TV.

OP will need to check the output of the power bricks to match one.

Ah
So something like this?

Victron Energy Orion-Tr DC-DC Converter 12V-12V 18A (220W) - Isolated

 

[Hurricane]

I guess I didn't understand the OP's question.

 

[mrangry]

Ah
So something like this?

Victron Energy Orion-Tr DC-DC Converter 12V-12V 18A (220W) - Isolated

No something like this, although you will need to confirm voltage your telly requires. Often on a label on back of tv.

https://amzn.eu/d/0acMsptB

 

[bluetooth]

No something like this, although you will need to confirm voltage your telly requires. Often on a label on back of tv.

https://amzn.eu/d/0acMsptB

That's great. Thanks for your knowledge. A great forum

 

[bluetooth]

I guess I didn't understand the OP's question.

Don't think I did either . Just shows asking is good. Had generator on for TV 3 hrs last night in crap wind and rain in Salcombe, felt a bit overkill on power usage!!

 

[mrangry]

I have a 12v to 19v dc to dc unit (LG tv uses 19v) and just realised that after reading this thread my tv is always on standy thus using power, albeit very small. I will now fit a switch to isolate this.

 

[bluetooth]

I have a 12v to 19v dc to dc unit (LG tv uses 19v) and just realised that after reading this thread my tv is always on standy thus using power, albeit very small. I will now fit a switch to isolate this.

And what unit do u have?

 

[Seastoke]

Don't think I did either . Just shows asking is good. Had generator on for TV 3 hrs last night in crap wind and rain in Salcombe, felt a bit overkill on power usage!!

Don’t you have inverter and batteries , we have three 110amp and runs tv hot water , just have Ginny on in morning kettle showers etc.