Question about RCA 20F420T 20" TV

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TV comes on and goes off by itself

When I turn on the TV it will go off by itself then turn on by itself. I enters the programming mode by itself

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  • RCA Master
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There is shorted component/s at its main board. Contact any service technician. The work will not be easy for a normal user.
Gopakumar Gopalan Google

Posted on Feb 11, 2014

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6ya6ya
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Posted on Jan 02, 2017

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How do I exit the service menu on this TV?


If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Service mode entry, adjust and exit procedure to many popular brand TVs are given. Never forget to exit the service mode, after all adjustments have been done.
NB: Please read and understand well, the instructions to enter the service mode, before you begin. Be very careful. Note how to "EXIT" the service mode; after entering and adjusting data. This is very important.

Jul 14, 2015 | Televison & Video

1 Answer

Comcast remote codes for apex digital dt502


Brand: Apex Digital

Most likely code: 10765

Others to try:
10748, 10879, 10767, 10890, 11991, 10889
To program your remote:
  1. Turn on your TV
  2. Using the code list, find the first five digit code that is listed next to the name brand of the TV that is to be programmed
  3. On the Comcast remote, press and release the TV key
  4. On the Comcast remote, press and hold the SETUP key until the TV mode key blinks twice then release the SETUP key
  5. On the Comcast remote, enter the first listed five digit code
    Note: If this number is entered correctly and is an accepted TV code, the TV mode key will blink twice. If the code is entered incorrectly or is not an accepted TV code, the TV mode key displays one long blink and exits programming mode
  6. Aim the remote control at the TV and press the POWER key once
  7. The TV should turn OFF - if it did not turn off, repeat steps 1-6 with the next TV code listed, until a working code is found

Nov 03, 2013 | Apex Digital DT502

1 Answer

Zenith hotel TV turns itself on


Most of the Hotel sets use a different remote to enter the hidden menus--the system that set uses was likely on channel 81 and where it was used they needed it to come on at a specific time----going to get that specific service remote and info on how to change settings---this is the issue with buying these commercial sets.

Zenith is part of LG but different phone numbers etc

May 24, 2012 | Televison & Video

1 Answer

Program remote to tv


Here are the codes for your GE TV: 645, 742, 763, 531, 676, or 690.I have provided the instructions to program the DISH remote to your GE TV:AddressRemote to TV
  1. While at the device location (TV, etc), point the remote at the device. Press and hold the device button on the remote (TV, Aux, etc). - All four mode buttons should light up
  2. Enter the three-digit remote control code - The mode button (TV, Aux, etc.)you selected should light up
Ifyou are programming a code into AUX Mode, you must do the following beforeentering the device code:Press 0 for a TV (if TV code is 500, enter 0500)Press 1 for a VCR/DVD (if DVD code is 617,enter 1617) Press 2 for any other device (if device codeis 639, enter 2639)
  1. Press the Pound (#) button - The mode button you are programming should flash three times
  2. Press the large, red POWER button - The device should turn off

Jan 09, 2012 | GE 24993 Remote Control

1 Answer

My 722 wont program to operate my BOSE GS Series II.


russ063

761 47% thumbs_up.gif thumbs_down.gif 780 761 47% thumbs_up.gif thumbs_down.gif 780 761 47% thumbs_up.gif thumbs_down.gif 780
I have provided the codes and instructions on how to program your DISH remote to your Bose receiver. I hope this helps.

Remote codes:761 and 780

Instructions on programming:

Address To Other Equipment Using Code
  • Remotes: Multiple Mode Buttons (TV,VCR, AUX)
    1. Press and hold the desired Mode button until all mode button backlights come on, then release.
    2. Use the number buttons to enter the device code corresponding to the equipment. AUX Mode: Before entering the device code:
      • Press 0 for a TV
      • Press 1 for a VCR/DVD
      • Press 2 for any other device.
      Note: The light will blink off after each digit is entered and then return to a steady light.
    3. Press the POUND (#) button.

      If the code entered is valid for the remote, the mode light flashes three times.
Ray Calo
DISH Network

Mar 13, 2011 | Directv (R10) DTV Receiver / 70-Hours...

1 Answer

How do i program my remote


Hello;

Without knowing the codes for the specific brand names and models of your devices, this is how you program the Zenith MBR3447 for your TV, VCR, DVD Player, CD Player or Audio Receiver:

TV

1. Push the "Power" button on the TV to turn it on.
2. Press and hold the "PRG" button in the upper left corner of the remote. Release when the indicator light, located in the top center of the remote control, comes on.
3. Push the "TV" mode key located at the top of the remote.
4. Enter 0 -- 0 -- 0 on the remote's number pad, then press the "Enter" button.
5. Aim the remote control in the direction of the TV's IR sensor and push the "Power" button. Pause a second. If the TV fails to shut off, push the "Power" button again. Repeat until the TV does shut off. Each time the "Power" button is pressed the Zenith MBR3447 tries using a different TV device code from its code library to turn the TV off. Therefore, when the TV finally does shut off it's an indication that the remote is temporarily programmed with the correct device code to control the brand of TV you're using.
6. Press "Enter" to save the current code.

VCR

1. Push the "Power" button on the VCR to turn it on.
2. Press and hold the "PRG" button in the upper left corner of the remote. Release when the indicator light, located in the top center of the remote control, comes on.
3. Push the "VCR" mode key located at the top of the remote.
4. Enter 0 -- 0 -- 0 on the remote's number pad, then press the "Enter" button.
5. Aim the remote control in the direction of the VCR's IR sensor and push the "Power" button. Pause a second. If the VCR fails to shut off, push the "Power" button again. Repeat until the VCR does shut off. Then press "Enter."

DVD Player, CD Player or Audio Receiver

1. Push the "Power" button on the device your programming the remote to control to manually turn it on.
2. Press and hold the "PRG" button in the upper left corner of the remote. Release when the indicator light, located in the top center of the remote control, comes on.
3. Push the "AUX" mode key located at the top of the remote.
4. Enter 0 -- 0 -- 0 on the remote's number pad, then press the "Enter" button.
5. Aim the remote control in the direction of the device's IR sensor and push the "Power" button. Pause a second. If the device fails to shut off, push the "Power" button again. Repeat until the device does shut off. Then press "Enter."

Mar 11, 2011 | Zenith MBR3447 Remote Control

1 Answer

I have the radion shack hdtv remote. Cat no


Download the manual and codes from here

http://www.remotecentral.com/cgi-bin/files/dl.cgi?file=others/radio_shack/15135-manual.zip&area=other

Here is how to set the code...

1. Turn TV on
2. Press TV button on remote
3. Hold P button on remote until LED blinks twice
4. Enter the first 5 digit code for Magnavox TV's
5. Press Power button - TV should turn off. If TV doesn't turn off repeat steps 2-5 with the next 5 digit code, until either TV goes off or run out of codes.
6. If out of codes use searching for code method below...

TV codes for Magnavox

10047, 11454, 10054, 10154, 10000, 10250, 10051, 10180, 10060, 10030, 10171, 10092, 10706, 11913, 11904, 11755, 10019, 11365, 11254, 10802, 10386, 10282, 10020, 10187, 10186, 10024, 10179, 10096

Searching for code

1. Turn on TV.
2. Press TV button on remote
3. Press and hold P button until LED blinks twice
4. Enter code 991 on remote - LED blinks twice
5. Press 1 - Device key blinks twice
6. Press Power button once
7. Press and release CH+ key until TV turns off.

At this point in the manual, the manual is only correct depending on what type of TV you have.

In the manual if you press the Power on button the TV should turn itself back on, the fail to state that not all TV's turn on by the power button, the majority now are triggered to turn on, on channel change, however you can't use channel change here to check it as you'll go to the next code... here is my solution...

8. Turn TV back on either using original TV remote, or buttons on front (most TV's if you change channels they come back out of standby mode, very few now turn on by pressing the power button).

9. Press Power button on remote - TV should turn itself off again.
10. Press P button on remote to lock in that code.

If the device does not turn off press CH- to go back through the codes, press and release P button when TV turns off.

Finding code

If you used the search function you might want to know what code it's using. To do this follow these instructions...

1. Press TV button
2. Press and hold P until LED blinks twice
3. Enter 990 and LED blinks twice
4. Press 1 and count number of times LED blinks this is the first digit of your code (e.g. 1 blink = 1, 2 blinks = 2, etc).
5. Repeat step 4 pressing buttons 2 - 5 for the other digits (e.g. for the second digit press 2 count number of blinks.. etc)

At this point the manual doesn't tell you how to get out of this mode, I presume pressing any other button on the remote other than 1-5 will take you out of this mode, either that or leaving the remote alone for 5 minutes.

Nov 08, 2009 | Radio Shack (15-2147) Remote Control

1 Answer

Cannot re-program zenith TV


First get into the service menu. Press on remote menu button until menu display goes away, then quickly press on keypad 9-8-7-6 then enter. Turn off factory mode in service menu, this should restore normal operation.

May 30, 2008 | Televison & Video

2 Answers

RCA 27F520T TV


Models: 24V511T, 24V510T, 27V512T, 27V513T, 27V520T, 27F520T, 27F50T, and 27F634T
TOPIC: Set comes on by itself
Symptom: When the set is first plugged in or after a power interruption the set comes on
Cause: Set was not taken out of factory mode, or has returned to factory mode
Cure: In the service menu go to setting FAC07, then change the value of OPTM2 to “00”
To enter the service mode simultaneously press “Volume Down” on the front panel and “Info” on
the remote control.
Use the original TV remote for the instrument.
Press “7” on the remote to enter factory menu 07. Use the channel down button to scroll down to
OPTM2, then use the volume buttons to set the value to 00. Press the “Sound” button on the
remote to exit the factory mode. DO NOT turn the set off until the screen displays “OK”.

Sep 12, 2007 | RCA TruFlat 27F520T 27" 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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