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Old 04-17-2007, 11:54 AM   #15
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I think one of the earlier posts made the key point that the newer factory installed LCD TVs utilize the AC-to-DC "brick" converter, which in almost certainly tucked away in/near the mounting area. If I could, I'd like to avoid some of the lost efficiency from using the AC converter...

The original poster might have some luck doing away with the brick if the TV really is 12V (earlier warnings about clean/stable power apply), but most likely it's not exactly 12V...

Look up the power specification for the TV. if it is fairly close to 12V you might be able to find a DC-DC switched-mode converter that sources 12V nominal and outputs the required voltage and current. Heck, Radio Shack even sells a variety of inexpensive DC-DC converters that might fit your specifications.

In my case the factory installed 19" Sony flat panel required something like 19V, can't recall the current. I couldn't find an inexpensive, easy plugin converter to fit my specs. But I also have the 600W hardwired inverter, so I use that and ignore the inefficiencies of what I'm doing there

Hope I'm not just throwing gas on the fire,

[Edit: by the time I posted the previous two showed up; I think I'd like to just say, "yeah, what they said"]

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Old 04-17-2007, 11:56 AM   #16
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Everybody is right...

simply stated... use 12 volts if you can. Inverters waste a lot of power in the conversion to DC - as much as 60%, in the form of heat.
I would recommend having a 12V DVD player with a separate 12V LCD display and a separate 12V Audion system. As things get better with DVD quality, replacing the components is cheaper. A 16x9 display is good for wide screen and a 5.1 surround sound for a computer system also is cool. I accomplish the whole deal with a laptop and LCD display. Most laptops have a 12V converter as an option. It is really just a circuit that protects the laptop from dirty power.

oops... left my pocket protector at home 8-)

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Old 04-17-2007, 12:19 PM   #17
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No connection to seller:
How about something like this?
eBay: BRAND NEW 19" INCH LCD TV DVD COMBO 12 Volt 240 Mains (item 260108833267 end time Apr-18-07 04:49:37 PDT)
AIR: 649
TAC: CA-40
Northern California Airstreamers
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Old 04-17-2007, 12:21 PM   #18
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Wow, thanks for all the replies folks! It makes sense that there must be a brick converter behind the refer cabinet that's plugged into the 120v circuit. I think I'll leave things as they are. Better to enjoy nature and read a book anyway than spend our time watching the tube.
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Old 04-18-2007, 06:26 AM   #19
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Originally Posted by Coastalview
Looks like that auction was taken down by eBay as it is no longer there.
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Old 08-24-2007, 07:46 AM   #20
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Ok. This is a topic that has eaten a lot of my time in web searching, and I still haven't found what I am looking for.

2Airishuman's link to camping world goes to a 22 inch unit that is sold out. A search on camping world's web site for 12 volt display dead-ends just like other searches on this topic.

I know my batteries vary in output, somewhere between 11.5 to 12.8 volts, depending on the amount of charge. If I understand earlier posts in this thread, this variation may be a problem for a display that requires 12 volts, and thus, the need to regenerate a true 12 volts (which in turn, uses up to 60% more energy by use of an inverter).

If I use a separate HD DVD player (made to work in automobiles), does anyone know of a make/model of a HD LCD display (15 -20 inches) that will work directly from a 12 volt battery system? I will give karma and a big thanks to the soul that cuts the chase by posting make and model.

By the way Airstream25 – Karma to you (make/model listed)!
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Old 08-24-2007, 08:29 AM   #21
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Found one: Jensen model JE1907DC - from 2Airishuman's ASA link.
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Old 08-24-2007, 08:35 AM   #22
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See my item #9 under "Flat Screen Lcd Tv - 12v Or Inverter?)
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Old 08-24-2007, 08:46 AM   #23
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According to, with regard to the JE 1907DC19:

The conformal coated circuit boards protect against corrosion and enable the LCD TV to withstand humidity and temperature fluctuations RVers are commonly faced with. Built specifically for over-the-road-use, the JE1907DC 19" Flat Panel LCD Television is mobile video entertainment at its best!
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Old 08-24-2007, 12:09 PM   #24
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hi spiffy gem...

as you discovered the 'asa' link is very useful...

i don't have the jensen unit but all of the specs suggest it is ideal for our application in rvs....

and built for the issues (vibration, moisture, dryness, power), while the sony is really a generic home set.

since i use a lap top for virtually everything along with the tele...

my next unit will likely be a computer like the imac.

all of the true things that i am about to tell you are shameless lies. l.b.j.

we are here on earth to fart around. don't let anybody tell you any different. k.v.
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Old 08-24-2007, 02:41 PM   #25
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If someone is interested in the Jensen 19" 12V TV, it may be available from West Marine (West Marine). At least it still shows up on the website.

Before changing to a larger 110V TV (with integrated DVD player), we had a 15" Samsung computer monitor with a built-in TV tuner and a separate 12V DVD player. The Samsung used a "brick" power supply which put out 12V. I checked with Samsung and they okayed connecting directly to the trailer's 12V system (bypassing the brick). Despite that, we found we almost never used the TV on 12V, so we accepted the 110V restriction when upgrading. Not having a separate DVD player has also reduced the number of connecting wires!
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Old 08-24-2007, 03:42 PM   #26
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I have a 12V LCD drop down TV with DVD 17 In. screen. Purchased at FRY's
Electronics. Works great
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Old 08-24-2007, 03:49 PM   #27
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Originally Posted by jkcru
I have a 12V LCD drop down TV with DVD 17 In. screen. Purchased at FRY's
Electronics. Works great
Can't let you get away with that: Make? Model?

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