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14-11-2020, 10:14
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#1
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Registered User
Join Date: Apr 2020
Location: Edgartown
Boat: Sabre 34 sloop
Posts: 35
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12 volt TV
Can I instal a flat screen tv on my boat?
that runs off my 12 v battery?
and can I instal an antenna that will get satellite reception?
Who would do this for me? My local boatyard is not interested.
Maybe the Geek Squad?
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14-11-2020, 10:38
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#2
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Registered User
Join Date: Mar 2003
Location: Philippines in the winters
Boat: It’s in French Polynesia now
Posts: 11,358
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Re: 12 volt TV
There are TVs that are 12V.
https://www.amazon.com/Free-Signal-T...NsaWNrPXRydWU=
As for reception, that’s the big problem. A dish would have to be on the dock. At sea you would have to own a large yacht with a self locating disk.
I just ran DVDs with mine at sea, if I had time.
It would be a DIY project, unless you know someone.
__________________
Faithful are the Wounds of a Friend, but the Kisses of the Enemy are Deceitful! ........
The measure of a man is how he navigates to a proper shore in the midst of a storm!
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14-11-2020, 10:40
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#3
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Nearly an old salt
Join Date: Jun 2009
Location: Lefkas Marina ,Greece
Boat: Bavaria 36
Posts: 22,818
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Re: 12 volt TV
better get a little invertor , then you can use a cheap mains TV
If yore marina is accomdating , they might let you mount a standard domestic sat dish near the boat ( the piles being useful ) that way you can use a standard sat installer or DIY
__________________
Interested in smart boat technology, networking and all things tech
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14-11-2020, 10:53
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#4
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Moderator

Join Date: Aug 2009
Location: Solent, England
Boat: Moody 31
Posts: 17,068
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Re: 12 volt TV
Looked at 12v tv's and ended up with a mains tv running off a small inverter because there was a much better range of mains voltage items available. We already had the 350w inverter. Power usage is tiny with a 22" tv.
Reception is via a yogi aerial clipped to the spinnaker track. Freeview available but no chance of satellite.
Pete
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14-11-2020, 11:01
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#5
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Registered User
Join Date: Jun 2012
Location: Port Aransas, Texas
Boat: 2019 Seawind 1160 Lite
Posts: 2,118
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Re: 12 volt TV
We bought a Dell monitor that was 120 volt plug, going to a 12 volt brick that powered TV. We just replaced that power plug with a 12 volt cig lighter plug. The entertainment system has DVD player that we connect to the monitor. We don't get TV service, but can watch our DVD. Draws very little power.
Majestic makes a complete line of 12 volt TVs.
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14-11-2020, 11:11
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#6
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Registered User
Join Date: Mar 2003
Location: Philippines in the winters
Boat: It’s in French Polynesia now
Posts: 11,358
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Re: 12 volt TV
About inverters. It would probably be best to use a ‘true sine wave’ inverter. Some electronics have problems standard inverters.
__________________
Faithful are the Wounds of a Friend, but the Kisses of the Enemy are Deceitful! ........
The measure of a man is how he navigates to a proper shore in the midst of a storm!
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14-11-2020, 12:04
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#7
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Registered User
Join Date: Apr 2020
Location: Edgartown
Boat: Sabre 34 sloop
Posts: 35
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Re: 12 volt TV
what about those dome shaped things you see on spreaders? Aren't they for tv reception?
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14-11-2020, 12:29
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#8
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Registered User
Join Date: Sep 2009
Location: Houston
Boat: '76 Allied Seawind II, 32'
Posts: 9,608
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Re: 12 volt TV
Quote:
Originally Posted by tootalltony
what about those dome shaped things you see on spreaders? Aren't they for tv reception?
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Yes....
Here
https://www.google.com/search?q=kvh+...&client=safari
Do not hire geek squad to do an install like this. Homes dont move and are not exposed to corrosive environments (mostly).
Where are you located? There are entire businesses focused on providing just what you need.
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14-11-2020, 17:23
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#9
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Registered User
Join Date: Apr 2020
Location: Edgartown
Boat: Sabre 34 sloop
Posts: 35
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Re: 12 volt TV
Quote:
Originally Posted by Sailmonkey
Yes....
Here
https://www.google.com/search?q=kvh+...&client=safari
Do not hire geek squad to do an install like this. Homes dont move and are not exposed to corrosive environments (mostly).
Where are you located? There are entire businesses focused on providing just what you need.
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REALLY-----HOW DO I FIND ONE? I AM IN THE CAPE COD....NEWPORT AREA
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14-11-2020, 17:25
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#10
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Registered User
Join Date: Sep 2009
Location: Houston
Boat: '76 Allied Seawind II, 32'
Posts: 9,608
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Re: 12 volt TV
Quote:
Originally Posted by tootalltony
REALLY-----HOW DO I FIND ONE? I AM IN THE CAPE COD....NEWPORT AREA
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STOP YELLING!!
Look for a marine electronics installer, or look on the KVH website for dealers in the area.
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14-11-2020, 18:17
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#11
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Registered User
Join Date: Sep 2017
Location: Langley, WA
Boat: Nordic 44
Posts: 2,254
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Re: 12 volt TV
When I was looking the 12 volt selections were quite limited and seem to be poorly rated. 120 volt gives you many more choices.
An inverter is the way to go. Modified sine wave inverters work quite well with all of my electronics - I see no need to go full sine wave. My 35 Y.O. Heart 2000 powers my TV, DVD player, computer and power tools quite well.
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14-11-2020, 18:24
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#12
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Registered User
Join Date: Aug 2011
Location: Melbourne Australia
Boat: Paper Tiger 14 foot, Gemini 105MC 34 foot Catamaran Hull no 825
Posts: 2,911
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Re: 12 volt TV
My 12 volt, 24 inch TV with CD runs off a cigarette lighter,
$160-00 off Ebay,
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14-11-2020, 18:29
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#13
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Registered User
Join Date: Mar 2020
Location: currently eastern Caribbean
Boat: Catalina 42
Posts: 127
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Re: 12 volt TV
Many flat-panel, nominally 120 V TV monitors actually run on 19 VDC using an AC-DC converter. You can get inexpensive 12-to-19 volt DC-DC converters that will let you run off 12V ship's power, which is what we did.
If you're not comfortable with wiring for the above, a small inverter as described in the previous replies is also a good solution.
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14-11-2020, 20:41
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#14
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Registered User
Join Date: Apr 2016
Location: Australia
Boat: Outremer 55L
Posts: 3,233
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Re: 12 volt TV
Quote:
Originally Posted by Off Trail
Many flat-panel, nominally 120 V TV monitors actually run on 19 VDC using an AC-DC converter. You can get inexpensive 12-to-19 volt DC-DC converters that will let you run off 12V ship's power, which is what we did.
If you're not comfortable with wiring for the above, a small inverter as described in the previous replies is also a good solution.
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19V is possibly too much to draw straight from a 12V system, but we run a 28” monitor that has a 14.1V brick transformer (for the AC voltage it would be plugged into on land) that we’ve wired straight into our 12V system. Seems to run fine.
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