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Old 09-03-2013, 09:18 AM   #4
JRTJH
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Join Date: Mar 2011
Location: Gaylord
Posts: 26,846
If I understand your question correctly, you're asking if the 120 volt TV will function off the 12 volt "converter" you have in your trailer. The answer is NO, it will not. Converters are designed to change 120 volts to 12 volts to run the lights, furnace and refrigerator in your RV and to charge the 12 volt batteries. it is not functional and does not operate anything unless you are plugged into 120 volt shore power.

Generally speaking here is no 120 VAC supply (when not on shore power) in Keystone RV's as manufactured (there may be a few "high end" exceptions). The only way to get 120 VAC to run a TV when not plugged into shore power is either to run a generator or to "invert" 12VDC from the battery through a 12VDC/120VAC inverter. Inverters are not a "standard build" item with any Keystone and are an option only on a select few "high end" models.

We have a 32" LED (not LCD) TV in our Cougar. It is 110VAC only, when dry camping we use a 12VDC inverter (140 watts) to power the TV for about an hour each night. We try to catch the news and weather every evening. Keep in mind that even the 75+/- watts the LED TV draws will create a significant drain on a 12 volt battery system, so unlimited use is pretty much out of the question.

LED TV's use about "half" the wattage of comparable LCD TV's. Our 26" LCD in the Springdale would not function on a 140 watt inverter, we had to go to a 230 watt one to operate the TV. Some others may have different experiences, but that's generally what we've experienced.
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