Question about RCA 20F420T 20" TV

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Rca 20f420t sound is not working

Sound was fine and for some reason it is not working, only have had tv for about 2 years

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  • mattycam Mar 27, 2008

    I tried unplugging the tv and it did not work, as far as the menu for the speakers, I can't find it. there is very little options under the menu, and speakers is not one of them, so I'm not sure what else to do

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Unplug the power from the set for 1 minute. Then plug it back in. I bet your sound will return. You may have to do this once a year to avoid an expencive repair. You are rebooting the tv, not much different from rebooting a computer that gets locked up. If that does not work then check in the tv menus and make sure speakers are on, and SAP is off. If still ng then make sure the volume is maxed on your cable box and 1/2 way up on the tv.

Posted on Mar 25, 2008

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1 Answer

I have an RCA truflat tv. Model # 20F420T. A


I see no reason why not, you just have to connect those 2 and you will be fine.

Aug 27, 2014 | Televison & Video

1 Answer

Ok so 1 of my kidos has the RCA 20F420T tv, and i guess there is no headphone jack hole, so i went and bought adapter that plugs into the av jacks, still doesnt work can you please help!!!


Without knowing the specifics on this adapter - I can provide only provide some clues as to how this works.

Basically, the A/V jacks on a TV has a "fixed" audio output level - this means that the sound levels on the A/V jacks is NOT controlled by the volume control of the TV itself. You should be able to set the TV volume to minimum and then use the adapter's volume control to make the earphone / headphone sound louder and softer. Your TV however, may have a setting in the menu that can change the audio from "fixed" to "variable". If set to "variable", when turning the volume down for the TV's built in speakers will also turn the volume down on the A/V jacks as well. You do not want this to work like that as the sound in the headphones and the TV speakers will be same - instead of the TV speakers being off and the headphones on.

I hope this helps and good luck! Please rate my reply. Thanks!

May 26, 2011 | RCA 20F420T 20" TV

1 Answer

Rca tv model 20F420T. tv is fuzzy and says "fpa lock" i cant get it back to regular cable


FPA lock option is located under TV setup. I just turned mine off and on without problems. Hopefully, your reset is effective.

Sep 27, 2010 | RCA 20F420T 20" TV

1 Answer

Is my RCA 20F420T TV analog or digital? Putting in a 5th wheel and need to know if I need to buy converter box.


check your manual if it is a HDTV it is digital and no need for a converter box.

Jul 16, 2010 | RCA 20F420T 20" TV

1 Answer

20f420t wont turn on, rca tv


power supply aka high-voltage transformer is bad.

Mar 23, 2010 | RCA 20F420T 20" TV

2 Answers

TV won't stay on - it shuts right off and it was working just fine.


A TV shutting off could be anything. How long does it stay on? Do you hear any odd sounds during turn on? Does the standby light blink a pattern after shutdown? More information would be needed to diagnose your problem any further. Let me know.

hardrocko

Jan 31, 2010 | RCA 20F420T 20" TV

1 Answer

My RCA TruFlat Model No. 20F420T shuts off at will. All the timers are set to off, any ideas?


HI,,

ITS NOT PROBLEM WITH TV TIMER...

ITS PRBLEM WITH TV AC TRANSFORMER WHICH IS INSIDE,,

ONE OF THE POSITIVE COIL INSIDE TRANSFORMER ITS SHORTING,,

APPROACH TV TECHNICIAN...

Nov 11, 2009 | RCA 20F420T 20" TV

1 Answer

Sound problem


maybe there is something wrong with the interface ,

Feb 20, 2009 | RCA 20F420T 20" TV

1 Answer

RCA 20F420T is dead


check outlet with lamp. open ck fuses. take to tv shop.

Dec 06, 2008 | RCA 20F420T 20" TV

1 Answer

Will not turn on


  • I just finished repairing the same model TV for a friend who had the same problem. My trouble shooting led me to cold solder connections on the flyback transformer. After repairing the connections the TV works just fine.
  • WARNING: IF YOU ARE NOT EXPERIENCED WORKING ON A TV, TAKE IT TO SOMEONE WHO IS. THERE ARE DANGEROUS HIGH VOLTAGES WHEN THE SET IS OPENED UP.
  • HamOperator

Apr 09, 2008 | RCA 20F420T 20" TV

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