Vizio VO370M LCD TV Logo
matthew audette Posted on Apr 25, 2012
Answered by a Fixya Expert

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Channel up and down function does not work on set or remote

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  • Vizio Master 14,553 Answers
  • Posted on Apr 25, 2012
Anonymous
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All TV sets use a microprocessor for this--both the buttons on the set and the the remote end up at the same place--in most cases the buttons on the set have priority over the remote.

Only a few possible reasons for this:

The most likely and simple one is the set has a lock out feature so channels cannot be changed--owner manual or a call with the model number to (says Vizio here) would resolve that.

While on phone if no lockout exists describe problem and see if its a known issue with this model.

Its hardly likely a problem with the remote as front buttons would still function--

This if no lockout or even a hard reset exists leaves a Microprocessor problem which since not parts but circuit boards are sold--going to have to replace a board


I really think to solving this is is there a lockout or a hard reset that should cure this?

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Channels that have been locked can be viewed only when the PARENTAL CTRL function is set to OFF. This can only be done with the remote control-it can not be changed with the buttons on the front of the TV.

Therefore, after you turn on PARENTAL CTRL, you simply hide the remote control so that your children can not watch the locked channels. The locked-out channels will remain unviewable even if the TV is unplugged or the channels are autoprogrammed again. The only way to view locked channels is to use the supplied remote control to set the PARENTAL CTRL function to OFF.

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Combos
--Should have original remote. Press and hold the power button for 6 to 10 seconds


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If you forget your password, simultaneously press VOLUME down on the TV/VCR front panel and the 0 number button on the remote for a few seconds. This resets the password and you can enter a new one.

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Therefore, after you turn on PARENTAL CTRL, you simply hide the remote control so that your children can not watch the locked channels. The locked-out channels will remain unviewable even if the TV is unplugged or the channels are autoprogrammed again. The only way to view locked channels is to use the supplied remote control to set the PARENTAL CTRL function to OFF.

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1. Repeatedly press MENU to select SETUP MENU, and then press + or - to display setup functions. Repeatedly press MENU to select the PARENTAL CTRL function. . When this function is set to ON, PARENTAL CTRL is activated and any channels you locked with the CHAN CTRL function will not be viewable. . When this function is set to OFF, PARENTAL CTRL is deactivated and all channels are viewable.

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CTC185's
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CTC203's
In the event you have forgotten your password, perform the following procedure:
Press and hold for 3 seconds the TV button on the remote while pressing the menu button on the TV.
This procedure will turn off the parental lock and erase the previous password .

Another Possibility To Try For Various Models: If TV's in the Parental mode and askes for a password that's forgotten, Press menu on the TV, select Parental Lock #4 on menu, then with the remote press Mute, Display, Clear, and Reset buttons in sequence.

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If Parental Controls have been set and you don't know the password, do this:
Press and hold the volume down and the channel up buttons at the same time for 5 seconds.
Now you can reset the password to 0000, and using that password you can now access the V-Chip menus.

TV's (Made by Daewoo or possibly Apex, ie. GE model 24GP653)
The factory default pass code of 6688 is also the override code, in case the owner forgets their pass code. If that doesn't work, another place in the owners manual says to push Function and Mute on the remote at the same time. Function is the top right button.
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