Refer its service manual and make a factory reset to it. To downlaod the service manual, google it with its brand name. I don't think there will ba a free download site for this brand TV. All download sites will be paid.
SOURCE: No BBC channels available after retuning Sony Trinitron TV
When TV channels are moved from one frequency to another frequency that was previously used by a different channel (sorry, but there's no simple way of saying that !) as has happened recently in th UK, some digital TVs and digiboxes struggle to sort the channel list out properly and channels can go missing as you describe.
If your equipment has the option to delete all currently stored channels (normally in the tuning menu options) then do so and then do a full re-tune.
Sometimes, this solves the problem as the equipment is no longer aware of any previous use of a frequency and just loads every channel it finds.
If this doesnt work, or your equipment doesnt have the option, then there is normally the option soemwhere in the menus to retore the item to "factory defaults/configuration". This will clear all previously stored channels and after a full re-tune your missing chanels should be there. However, any other configuration changes you previously made, e.g picture size, output type (RGB/NSCT/etc), etc will be lost and you'll need to set these again.
NB. some regions of the country have lost some channels temporarily now until after the switch over programme completes at the end of 2012. If you visit the Freeview website, this will tell you if your area is affected.
SOURCE: Since the anologue signal was lost i canot retune
When the change was made from Analog to Digital was finally made it made all Analog Televisions obsolete none of them can receive a digital signal. You can get a converter box that you attach your antenna to and the output of that box hooks where your antenna used to go into your TV. With a converter box the box will receive a Digital signal, process it and present it to your Television in an analog form (what previously would be off standard broadcast). That is your only hope of continuing to use your older Television.
Zashiban
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