Bought an open box Lg lcd floor model, everything works fine, able to change settings (picture, sound etc.) but when i go into the lock setting, four digit code is required as though someone in the store put one in. Is there anyway of wiping that out without taking the device apart?
If everything works fine and you're able to change settings (picture, sound etc.) why do you want to go into the lock setting? That's the service menu. The manufacture put it there for a reason and only qualified techs with the proper equipment should be in there. Also know if you decide to start typing in random numbers you run the risk of locking your tv and voiding any warranty you may or may not have.
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the picture board has gone faulty
thee are two system boards in the set --one for sound and one for picture
if you have the number from the board you want to replace try e-bay --circuit boards for your tv and see what comes up
Sounds like you have the wrong input selected for where you have it plugged in. Turn on the TV and the source(cable box, DVD...etc.) On the remote locate the input or the source button. Press that until you get a picture and sound.
Consult the owner manual (you can GOOGLE to find one with the model number if you do not have it) to see if the set has a feature to lock out channel being changed---this feature is on some sets so if using a box children etc cannot change the channel.
You can also try to route your signal to a rear audio/video input and change input to that input and change channels with the box if you use one.
Just try to reset so picture will come again, some LCD TVs have a reset button. If available and accessible, try using the reset buttons before using the steps below. Using the reset buttons can save time. 1. Unplug the LCD TV power cord from the power outlet. 2. Unplug any connected devices (DVD, Set-top boxes, etc...) 3. Press and hold the LCD TV power button for five seconds. 4. Plug the LCD TV power cord back into the power outlet and turn on the TV. 5. Open the on-screen menu to confirm that the LCD TV is responding again. 6. Turn off the LCD TV and reconnect the devices. 7. Turn on the LCD TV.
Find out if Australia uses a different standard of HD programming than Guernsey or not since it's not picking up any channels at all with an attenna. Does the skybox use only scart connections and that's how your small lcd is connected to it?