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If you have lost the remote for your Telefunken 58" TV and you need to remove the lock key, you can try the following steps:
Locate the single button on the TV: Depending on the model of your TV, you may find a button labeled "Menu" or "Settings" on the side or bottom of the TV.
Use the button to access the TV's menu: Press the button to access the TV's on-screen menu. Navigate through the menu using the button to find the "Setup" or "System" options.
Disable the lock key: Look for an option in the setup menu to disable the lock key. The specific steps may vary depending on the TV model and firmware version, but you should be able to find the option to disable the lock using the on-screen menu and the single button.
Confirm the change: Once you have disabled the lock key, you should be able to access all of the TV's functions without being prompted for a password. Confirm that the lock key has been removed by trying to access a restricted function or channel.
If you are unable to disable the lock key using the single button on your TV, you may need to contact Telefunken customer support for further assistance. They may be able to provide additional information or instructions for disabling the lock on your specific TV model.
028,022,029. If you wish to get more; check the sites linked here. It has set-up code list & set-up procedure to many popular brand remote controls. One among it has general set-up codes to check with TVs and other devices are given, in the order of the 'device's brand name list' in alphabetical order. Pull up older posts. Search the sites by type in the brand name to your device in its search box at the top right part of the display window. It will help you to find the document easily. http://remotesearch.blogspot.com/ http://electronicshelponline.blogspot.com/ http://electrohelponline.blogspot.com/
Type in the brand name of your device, in the search box [at the top right] of the display window, and press enter to get all related posts. It will make surf easy.
Look for any loose contacts in RC jack, cable, connector. Try changing the input device to some other and see whether you can get sound. Try using a headphone, if the TV has the socket. Look for any jammed buttons on remote and/or on control panel, especially that off volume up/down/mute.
There are three chances for this fault. [1]. There is no infrared emission from the remote control. [2] Infrared sensor inside the TV is faulty. [3]. Front panel controls have been locked, using remote control, prior to this fault, and the set was switched OFF by remote control. Check the remote control, for its infrared emission. Try it with fresh batteries. You can see all these faults and related help how to follow. Try this link, and select the site named Electro-help. Pull up older posts there.
Tounlock your TV you surely need its remote control. Try to get it from somewhere, from any one of your friends, who own the similar model of TV, or buy it from RCA. After getting it try the following. You can unlock it.
Most RCA and GE TV sets use a four digit code to control the v-chip. The code reset procedure is different depending on the model. Try each method until you find one that works:
Hold down MENU on the remote and VOLUME DOWN on the TV it's self at the same time for at least 4 seconds. The set won't say so, but the lock will be unlocked
Hold down the 0 on the remote and the VOLUME DOWN buttons on the TV its self at the same time for at least 4 seconds. The set won't say so, but the lock will be unlocked
Hold down the MENU button on the front of the TV and the TV button on the remote at the same time for at least 4 seconds.
Hold down GO BACK on the remote and MENU on the front of the TV at the same time for at least 4 seconds.
Hold down EJECT on the front of the TV and the MENU button on the remote at the same time for at least 4 seconds.
Depending on the model, one of the methods should unlock the V-chip. Now, if desired, you can change the settings on the V-chip by going to the MENU and going to PARENTAL CONTROLS, or on some sets, going to MENU and then going to TV SETUP, then to V-CHIP SET. Sinotec: If you have the original remote (RC-A07) for Sinotec tv, then press and hold down the Music button for about 10 seconds
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