I have an RCA F36668YX51 (36" TV). My TV scrolls thru different option menus for no apparent reason! The problem is definitley worse after the set has been on for a while! If I leave it off for a couple of days it seems to clear up for a day or two....then the problem will randomly return! Could this be a problem with the control panel...or possibly be initiated by low voltage on the electrical circuit it is pluged into? Your input would be greatly appreciated! I would also like to find out where I could download a service manual for free! Or find out what the part number is for the control panel!
the front panel assembly is rca part # 237420
I assume your chassis is a CTC203
Un plug the fpa and see if problem still acts up
you may not be able to find one
then try replacing the sticking buttons on it
I cant help you with a free manual
call Tritronics and ask for all the buttons on the fpa
low voltage wont cause this
but cool-aid poured on the screen will... LOL
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Press the Audio Parameter button (Looks like an x) then scroll up until you see 'HDMI AMP' and hit over to the left or right so it shows 'HDMI THRU' the HDMI will redo the handshake and you should have sound.
Your receiver is HDMI version 1.1,1.2 or 1.2a and just don't work with anything to be honest with you. It's an HDCP (copyright Issue) and 5v pass thru issue. and the list goes on. If you can, just run HDMI directly to the TV and optical or Digital Coaxial to your receiver for audio and all will be well again. If you need more help, just post a comment and I will gladly help some more
If you have a remote that can access menu and your remote has number buttons and an enter key, you can follow this instructions to go to installer menu. Note that the installer menu is slightly different for each model, eg. some options are not available.
I was able to go to installer menu using two universal remotes. The remotes that I used were Dish Network 3.0IR and RCA RCU300WBL. Both remotes programmed for Zenith H2531DT TV. The reason why I had to use two remotes is that Dish Network remote was only able to access menu. It did not have ENTER key but RCA remote had ENTER key but I wasn't able to go to menu with that.
To go to installer menu (different from regular menu):
- Hold MENU for 8 seconds. - Press 9, 8, 7, 6 and ENTER in the sequence. You should be in the installer menu now. There should be a line that looks something like this: 03 VERT POS 13
Use SELECT button to scroll through each option, and ADJ button to adjust the values for each option. For example, to enable the front panel buttons on your tv, set KEY DEFEAT to 0. Other options that you might want to check:
CHAN LOCK which locks your TV to a single channel and wont let you change (set 0 to turn off) START CH/VOL will set your tv to a specified channel when you turn on tv. (set 255 to disable)
You will have to look in the menu for some of the options because they are different for different TV series. A good place to find manual is on www.zenith.com or http://safemanuals.com/
I work in an old hotel and it took me few hours to figure out how to disable start channel lock. It drove me nuts. I hope someone finds this useful.
Unplug the power from the set for 1 minute. Then plug it back in. I bet your sound will return. You may have to do this once a year to avoid an expencive repair. You are rebooting the tv, not much different from rebooting a computer that gets locked up. If that does not work then check in the tv menus and make sure speakers are on, and SAP is off. If still ng then make sure the volume is maxed on your cable box and 1/2 way up on the tv.
It was the zoom !! I lost the tv remote, I went to Radio Shack for a Universal remote and they didn't have one with a Zoom button,
The tv menu doesn't have a Zoom button either...Finally found one that works and all is WELL! Depending on what the tv station transmits, the screen size changes in the auto-matic selection in the menu.