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Re: TV set doesn't change channels or turns off.
UNPLUG THE SET FOR A MINUTE AND REPLUG AND TURN ON SEE IF THE UNIT RESETS. IF PROBLEM PERSISTS HAVE IT SERVICED. THE BUS MESSAGE IS TELLING US THAT THE COMMUNICATION BETWEEN SEVERAL IC' IS MISSING.
30 YR SERVICER
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In order to get all the channels u have to have the original remote or a universal remote that has a menu button, an enter button, and directional pad (the directional pad cannot control the volume and channels it must be for navigating). push and hold the menu button, the menu will appear then disappear, once it disappears release the button and enter 9876 then press enter. a different menu will appear and it will b three black lines, one at the top of the screen, one in the middle and one at bottom. the middle line has 3 sections the first part is the item number the second part is the description and the last part is the on/off switch using either a 0 or 1. push down on the directional pad until u get to the 00 factory settings 0 and change the 0 to a 1 with the right button on the directional pad. then scroll up to 20 channel lock 0 (i think its 20, it may be like 22 but it is in the twenties for sure) and change the 0 to a 1. then go back down to the 00 factory settings and change the 1 back to 0 then turn the tv off. when u turn the tv back on it will either automatically ask u to auto tune or u will have to go to auto program to program the channels. there are like 80 different menu items, be sure not to mess with any other ones unless u know what ur doing, u could cause ur tv not to function properly or even be able to turn on.
this problem frustrated me greatly and im very happy to help whoever i can with the solution
The most likely problem is a stuck tact switch, if it goes up in channel number, 5, 6, 7, etc. then the channel up button is stuck, if it counts down it`s obviously the ch. down button. Problem is you have to remove the guts of the set to get at the control boards screws, you can try turning on the set and poke around the offending push button with a tooth-pick, if it stops changing channels leave it alone and use your remote from now on to change channels, if you can`t get it to stop the tact switches or the control board module will have to be swapped out, hope this helps
Perhaps you can try what I do when my KV24FV300 runs through channels and will not stop. Hard to watch and remote will not work. Nothing works but on and off from set.
Sony Says: Take all batteries out of ALL remotes that you use in any way for that set, VCR, etc. ALL batteries out. Turn TV off at set. Unplug TV. Wait at least 15 minutes then replace all batteries in ALL remotes. Plug TV back in and turn TV on from set.
Maybe, just maybe it will work. If it does not work why not call Sony, they always say that cannot happen but they have a solution for it.
If you forget your password you can reset it. Make sure the TV is off. Simultaneously press and hold VOL< on the TV?s front panel and CLEAR on the remote for approximately 5 seconds. Enter a new password next time you access the PARENTAL CONTROL menu.
Front Panel Lock
1. From the PARENTAL CONTROL menu, press the up or down arrow to highlight Lock Fr. Panel.
2. Press the right or left arrow to turn on (box has check mark) or off (box doesn?t have check mark) front panel lock.
Of course if you don't have a remote that can bring up the menu I don't know how this can be done.
Usually, this means that something has spilled into the front of the set and has contaminated the pushbuttons. If one of the channel pushbuttons has fluid in it, the set will just sit there searching for channels and will not respond to any other commands. The computer thinks you are pushing the channel button and responds accordingly. When you push another button the computer does nothing because it thinks that you are pressing 2 buttons at the same time. The board should be cleaned and any contaminated pushbuttons replaced by a qualified tech.