There are two types of reset to TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience.
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SOURCE: Our tv screen is dark
Try entering the "picture" sub-menu in your settings, then set the choice on "vivid" (or whatever the brightest setting is). If that doesn't work, try attaching the device on another input. Occasionally, if you are using the coaxial output of your device (the screw-on cable), it can give you a dark picture. If you have another output on the device, try it instead.
To Get free broadcasts you will need to 1) have an antenna and 2) run the Channel Scan or Auto-TUne program. Any antenna will work - Rabbit ears etc. Once connected you need to go to setup and run the channel scan - it will find the digital channels in your area and load them into the database. You can get an antenna at Radio Shack, Meijer, Kmart etc. any place they sell TV's. Like I said even the old Rabbit Ear antennas work fine for Digital TV.
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Look at the screen. If you see a red key on the bottom of the screen,
press "Function" and "Mute" on the remote at the same time.
This will unlock the channel. Do this if you want to bypass the lock to watch a
certain show or channel while leaving the TV locked. All other channels will
remain locked and the TV will lock again when it is turned off.
• Unlock all of the channels on the TV by
entering 0711 or 3308. These are the Jensen factory reset codes that will reset
the TV to the original factory settings. By doing this, you will loose any
information that you have stored in the TV, such as channel labels and
schedules. You will have to program the TV again by going through the entire
initial set up.
•Call the technical support service number
in your owner's manual if neither of those codes work. A technician can help
you troubleshoot the television as the problem may not be the parental lock
feature. Have the model number and serial number of the TV available when you
call.
• Take your television to a TV repair shop if
neither of the codes work and the TV locked by itself while it was turned on.
In this case, the TV may need to be rewired
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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