First of all, read the manual that came with it, and if you don't have the original, look online for it, and search for the default PIN number(usually 0000, or 1234). If it has been manually changed by a previous owner, try asking them. If that doesn't get results, see if there is a Master pin # for the TV, and enter that through your ORIGINAL TV remote. Sometimes Universal ones work, but I wouldn't hold your breath. I have an ex-hotel flatscreen Philips, and it took me ages to find out that it had a Master Remote, and a secondary one for guests, and the Master one could alter the functions, like lock out the HDMI plug(to discourage plugging in your laptop, and force you to watch PPV TV, oh, yay), and I finally tracked down the master unlock for it.
Another option is, if it's a digital TV box, contact the manufacturer, and see if they can help, in regards to resetting the unit to factory settings. It will mean you will need to retune your TV to get the channels, but at least you can then chose your own passcode.
Hope that helps, and cheers from New Zealand! ;)
Pete
MegaByteMe
Turn
on the TV and grab the remote. In most cases, you will need the original remote
to unlock the TV if you aren't sure of the unlock code. If you don't have the
original remote, you will need to purchase one.
Look
at the screen. If you see a blank screen with a red key on the bottom of the
screen, press 'Function' and 'Mute' at the same time. This should unlock the
channel. This is an option for people who want the TV to stay locked but, want
to be able to bypass the lock to watch a certain show or channel. All other
channels will remain locked and the TV will fully lock when it is turned off.
Unlock
all of the channels on the TV by entering the factory reset code. There are
three main reset codes that TV manufacturers set. These are 0711, 6688 and
3308. Try each one until you find the one that works. This will reset the TV to
original factory settings. When you do this, you will loose any information
that you have stored in the TV, such as favorite channels, automatic timers and
the clock. You will have to go through the full initial set up.
Call
the technical support service number in your owner's manual if none of those
codes work. A technician can help you troubleshoot the television because the
problem may not be the locking control. When you call, make sure that you have
the model number and serial number of the TV.
Take your television to a TV repair shop. In some cases, a professional who access to wiring diagrams for your television set may have to rewire certain components in order for the television to unlock. This is usually the case when the TV locks by itself while it is on.
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