We have a Sharp LC-15SH4V. About 2 yrs old. We have a few channels that were working that now cannot be accessed. They appear blacked out. The remote and channel selection on TV skips over them. When we manual enter channel number - the black out appears. We did the channel reset via the set up option. That actually fixed a few of the blacked out channels but now there are a few new ones that cannot be accessed. Nothing in the troubleshooting section of the manual on this type error. Any suggestions on how to troubleshoot?
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Check the settings to see if it is locked on channel 3 for external tuner source to have an input from a cable box ant in that needs 3 to function or from some other externally decoded signal like a vcr. Does the TV have a Digital tuner or the old analog tuner? If it's digital you can hook up a rabbit ear antenna with the UHF output on it & should be able to tune in some stations. If it's the old style then you will need a converter box to get it to receive any stations. Fist check the settings to see if it has it set to lock on channel 3 for external tuner source.
TO: rdh041: I don't have the solution to you problem, but we have the exact same problem with our Sharp AQUOS 20" LC tv. Different model than yours, but same age and same perplexing issue. Several channels suddenly have no sound. If you've found a solution, would you please post it? I'll do the same. Thanks.
Your dish remote should be set to the code for your TV. Then you will be able to control the channel number, not just up/down, as well as volume and maybe even the input. But do try to get a real remote for your TV so you can get to its menus.
Meanwhile, use menu+menu to see the channel being output by the Dish receiver. (Must be a 622/722... based on the 60 you listed.) Try to find an unused UHF channel number that your set does have in its up/down list. Match Air/Cable setting of Dish and TV. The Dish output is analog (NTSC) although the tuner(s) only accept digital (ATSC).
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.
What you all need to do is get away from a coax cable connection. If you have a cable box, or satellite box, take the coax cable off and use red, white, n yellow rca composite cables to connect your recievers to the tv. if you dont have a cable box, either get one, or get a converter box and use a tuner outside of the tuner within the unit. The tuners in those tv's are built to show you when you experience signal fluctation(which is normal with a coax cable) and thats why the box keeps popping up on its own. good louck to you all with this problem
Is this TV connected to a digital box or directly to an antenna? If its connected to a box then suspect the box first. If the box has been swapped with another one and still does the same thing, then the TV has a bad tuner and/or digital board. The tuner in most TV's is part of the digital board and must be replaced together.