I have a Sharp TV that is about 8 years old, and have lost its manual. I dont know the exact product name but its 25."
The problem is that in trying to tune the channels I have managed to put a lock on them, which I cannot remove.
Please can you help? When I go to try to tune them a big key flashes up in the middle of the screen and I cannot continue. I do not have a child lock function on the remote or on the screen itself.
Many thanks for any advice.
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Try a few "universal
methods" for unlocking the child lock. Some televisions have a universal
code built in for disabling the child lock --no matter what your code is. A
common code is "0000.". However, it might not work to some TVs. If you wish to get more details, surf the site linked here. http://electronicshelponline.blogspot.com/ Pull up previous posts there, either by type
in the model name to your set in its search box, or view it in Timeslide
/ Mosaic option.
well if you really love this set,then i suggest you change all or most of the fast switching diodes,usually 1n4148 Nte519 mainly around the micro,video and abl circuitry.Also alot of capacitors especially the ones around heat sources,eg heat sinks and wirewound and flame proof resistorsI.If you want the service manual for the set,i have over 1000 sharp schematics,i am sure i have that one.Please request it at [email protected]
The manual can be found near the bottom of the Product page for this TV.
From the manual, pg 11 -
If you misplaced your Remote Control you can still access most settingsvia the MAIN MENU screen when you press both CH UP (8) andDOWN (9)on the TV set.•Some features of your TV Set will not be accessible without the RemoteControl. If you lost your Remote Control, contact a Sharp AuthorizedServicer by calling 1-800-BE-SHARP for a replacement.
using the magnovox remote, reprogram the vcr's channels. set it up to use cable not air. when the vcr was unlugged it lost it's channel memory. don't buy new cables, you're getting a picture and sound so that means your rca cables are ok.