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Old 11-18-2015, 06:11 PM   #1
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new tv 12volt v/s 110

I purchased a new HDTV to get rid of the analog system. The new television has a transformer to plug into 110 AC, can I just remove the transformer and go direct (with a fuse) to the 12v DC?
I dry camping the most of the time, and question if the charging voltage hits 13.5v do you know if that could damage to the new TV?
Any information would be greatly appreciated.
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Old 11-18-2015, 06:57 PM   #2
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Check what the transformer's output is. I have a TV with a transformer but the voltage isn't 12 volt.
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Old 11-18-2015, 09:36 PM   #3
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You also need to know whether the "transformer" output is AC or DC.

Look on the transformer/power supply box and see what it's output voltage is. If it is indeed 12 volts DC, then you're good to go. The 13.5 to 14 volt charging voltage will not harm the TV.


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Old 11-18-2015, 09:39 PM   #4
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samsung 22" tv has a transformer of 14v dc output. i cut it off and connected to house 12vdc, no ill effect.
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Old 11-18-2015, 09:58 PM   #5
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We did similar years ago when we found some 26 inch native 12 volt panels.

We made 12 volt ats units for the tv that worked well.

Needed is just a standard automotive universal relay that is SPDT.

We also found some pre made cords with matching coaxial power connectors that match the original.

Wire the coil of the relay to the female plug as well as the NO pin on the relay.

Male plug goes to the Common pin.

A fused wire to battery connects to the NC pin on the relay.

Factory adaptor PLUGS INTO ats then vehicle battery also attached.

Confirm 12 volt battery power at male then plug adaptor into power then relay clicks and adaptor power now at male connector and same polarity.

If pass plug into tv.

This allows use on ac power whenever present and on battery when dry camping.

Add power switch between relay and male plug to turn off power to tv as it always has some load so dry camping you will want to disable completely without needing to unplug.

All is plug in with no wire cutting so warranty is fine...
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Old 11-19-2015, 06:26 AM   #6
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Yes, Maybe. I replaced my TVs and specifically looked for TVs that had a 12 volt input from one of those wall plug in power supplies. Heres a short How-To.

Will a 120 volt TV work on 12 volts DC – MAYBE | 2001 Coachmen Mirada 300QB

..
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