I have a Zenith SR2568S TV that has served me well, but I sought and
found the Service Menu access key because I had a problem with reception
on one channel. I have cable TV, but one channel drifts in and out of
color occasionally so I thought there might be a way I could adjust the
tuning of that channel in the Service Menu.

My first question is: Do Service Menus have any means of adjusting the
tuning of a single channel?

My second question is: I understand the purpose of most of the menu
settings, but those below I am not sure of. Could someone please
explain what they are? Thanks.

Preset PX

CAP Phase

AC On

Key DEFT

A/V Lock

Band/AFC

"Ken" wrote in message
...

Band/AFC

AFC definition television: automatic frequency correction.


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Homer J Simpson wrote:
"Ken" wrote in message
...

Band/AFC

AFC definition television: automatic frequency correction.



Are you suggesting that this setting may be able to correct the tuning
problem I had with the one station?? Or are you just defining the
abbreviation?

Ken ha escrito:

Homer J Simpson wrote:
"Ken" wrote in message
...

Band/AFC

AFC definition television: automatic frequency correction.



Are you suggesting that this setting may be able to correct the tuning
problem I had with the one station?? Or are you just defining the
abbreviation?

that fault does not sound like something which diddling with the
service menu can resolve. try your cable decoder on another tv see what
happens. Sounds like either trouble with the deco, or possibly a tuner
/IF problem

-B.

b wrote:
Ken ha escrito:

Homer J Simpson wrote:
"Ken" wrote in message
...

Band/AFC
AFC definition television: automatic frequency correction.


Are you suggesting that this setting may be able to correct the tuning
problem I had with the one station?? Or are you just defining the
abbreviation?

that fault does not sound like something which diddling with the
service menu can resolve. try your cable decoder on another tv see what
happens. Sounds like either trouble with the deco, or possibly a tuner
/IF problem

-B.


I take it from your comment that there is no adjustment for fine tuning
the frequency for a channel? Ironically, after entering the service
menu and leaving it with the settings NOT changed, the channel is now
working better. Since I do not use a cable box, but simply the TV tuner
to select my channels, I suspect the poor reception on the one channel
might even be the cable company's fault. I know it has not improved due
to anything I had done, so I am sure it is just a coincidence.

Any idea what the abbreviations stand for in my message above??