Question about RCA 20F420T 20" TV

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Turns off by itself any unpredictable time. Repeats when we turn it back on. Have not set any timer settings. Not a voltage problem

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  • rsexton727 Jun 19, 2008

    T.V. Turns off by self no timers set ,not a voltage problem,won't stay on after it shuts down.When first turned on though will sometimes stay on for 1-3 hours before shutting off.

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  • RCA Master
  • 1,550 Answers

Check for dry capacitors or cracked solder on the main board

Posted on Jul 10, 2008

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Noma timer e250981


If lights are flashing, then photo eye might be exposed to too much light, causing photoeye electronics to think it's daytime, and so lights go off.
But then it's dark, and photoeye turns lights on again.
The cycle repeats all night because 2-4-6-8 hour off setting starts over each time lights turn on.
Or maybe timer is defective.
http://waterheatertimer.org/Woods-timers-and-manuals.html#outdoor
http://waterheatertimer.org/pdf/Photo-eye-troubleshoot.pdf

Gene
h

Nov 23, 2013 | General Electric Hardware & Accessories

3 Answers

I SET THE TIMER ON MY NUWAVE OVEN I TURN IT ON IT TURNS ITSELF OFF


I looked at one of these today with the same symptom. Set a cook time, turn it on and the fan starts for a second and turns back off. When you take the cover off of the unit you will see a fan. On the winding of the fan is a thermal switch. I found a bad connection on one of the wires to that switch. It threads into a couple of cutout areas in the plastic on either side of the fan windings. It is there to open if the fan stops working to prevent the thing from melting down with the heat from the element not being blown downward. The wires have a heatshrink around them, so you will have to cut that away put in a new piece of shrink, re-solder the connection, then pull the shrink over it again and shrink it down. Worked for this one and I hipe it helps you too. Good luck.

Jul 12, 2012 | Hearthware Home Products Nuwave Pro...

1 Answer

How do I set timer


manual for HB51RC
http://www.intermatic.com/%7E/media/files/intermatic/products/instructions/timers/hb61rc%20-%20english.ashx
See timer at Amazon
http://www.amazon.com/Intermatic-HB61RC-Digital-Outdoor-Control/dp/B00004W4X5


Plug timer into outlet
Plug lights into timer
Timer turns on automatically at dusk + override lets timer run during daylight hours
Timing cycle repeats each 24 hours
Use selector button to set timer
Timer must be reset after power outage or after unplugging timer.
Rotate selector button and choose one of following

F > Lights are OFF
O > Constant ON
1 through 9 > timer turns ON at dusk and turns OFF 1 to 9 hours later
d > timer turns ON at dusk and OFF at Dawn
1. through 9. > timer turns ON immediately and then turns OFF 1 to 9 hours later
Maximum wattage 1000
50 mini-bulb-string of Christmas lights is 25 watts

Dec 14, 2010 | Intermatic Outdoor Timer/Photo Control...

1 Answer

Having trouble setting timer o ML200RT


Set on-off times by setting trippers
-Insert trippers
-Red tripper is ON
-Black tripper is OFF
-New timer has 2 sets of trippers

Set time
-Plug-in & turn-on power pack
Turn dial clockwise to set time of day

Manual override:
Turn manual-on-off switch counterclockwise

Troubleshoot:
-Power pack not turned on
-Plug does not have power > try hair dryer in plug to see if it turns on, check GFI breaker in bathroom, replace plug
-Manual-on-off is set to OFF > rotate to ON
-Outdoor lamp burned out > test with another lamp
-Important to replace burned out lamps promptly, or other lamps burn out quickly
-High household voltage will reduce life of timer
-Timer designed to last for many years under normal conditions

Sep 22, 2010 | Malibu ML200RT - Low Voltage Power Pack...

1 Answer

How do I set the hb51r so it turns on and off after 6 hours?


manual for HB51RC
http://www.intermatic.com/%7E/media/files/intermatic/products/instructions/timers/hb61rc%20-%20english.ashx
See timer at Amazon
http://www.amazon.com/Intermatic-HB61RC-Digital-Outdoor-Control/dp/B00004W4X5

Plug timer into outlet
Plug lights into timer
Timer turns on automatically at dusk unless you set override feature shown below

Timing cycle repeats each 24 hours
Use selector button to set timer
Timer must be reset after power outage or after unplugging timer.
Push selector button and choose one of following

F > Lights are OFF
O > Constant ON
1 through 9 > timer turns ON at dusk and turns OFF 1 to 9 hours later
d > timer turns ON at dusk and OFF at Dawn
1. through 9. > timer turns ON immediately and then turns OFF 1 to 9 hours later
Maximum wattage 1000
50 mini-bulb-string of Christmas lights is 25 watts

From these instructions, you should push button until 6 displays. Timer will turn ON at dusk and turn OFF 6 hours later
If timer.
If you want timer to turn ON immediately and turn OFF 6 hours later, push button until 6. shows in display.

If timer does not display or does not operate correctly, then timer is suspect. Return timer for another one.

Oct 02, 2009 | Intermatic Outdoor Timer/Photo Control...

1 Answer

Setting


manual for HB51RC
http://www.intermatic.com/%7E/media/files/intermatic/products/instructions/timers/hb61rc%20-%20english.ashx
See timer at Amazon
http://www.amazon.com/Intermatic-HB61RC-Digital-Outdoor-Control/dp/B00004W4X5

Plug timer into outlet
Plug lights into timer
Timer turns on automatically at dusk + override lets timer run during daylight hours
Timing cycle repeats each 24 hours
Use selector button to set timer
Timer must be reset after power outage or after unplugging timer.
Push selector button and choose one of following

F > Lights are OFF
O > Constant ON
1 through 9 > timer turns ON at dusk and turns OFF 1 to 9 hours later
d > timer turns ON at dusk and OFF at Dawn
1. through 9. > timer turns ON immediately and then turns OFF 1 to 9 hours later
Maximum wattage 1000
50 mini-bulb-string of Christmas lights is 25 watts

Oct 02, 2009 | Intermatic Outdoor Timer/Photo Control...

1 Answer

The TV turns on and off after a few seconds and repeats itself.


There could be quite a few things that would cause the set not to power up. I dont have the service manual, however you can get a copy of the service manual at the following link for your model. As thats the only proper way to be able to check for the proper voltages to determine whats wrong with the set.
Heres the link.
http://servicemanuals.vstore.ca/

Nov 26, 2008 | Samsung HCL652W 65" Rear Projection...

1 Answer

Assistant


is this electricity pocket plugged up to a timer ? or take the tv back to the shop... lost the receit just look for the same tv on computer

Feb 20, 2008 | Toshiba 28N33 28" TV

1 Answer

No settings memory,turns on by itself?


Sounds like your set has a bad eprom. This is the brain that stores all the settings and sends information to the microprocessor to make things happen. If you do not know how to replace it you should take it to a qualified tech to repair it.

Nov 12, 2005 | RCA T25061GY 25 in. Combo

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