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Fine Tuning of TV

The power went off and now the picture is off poor quality and needs fine tuning. Unfortunately, there is no buttons to do this. I only have a remote control. Is there a manual for the TV that i can download from somewhere please?

TV CT15AMIF(A) Mitsubishi (not flat screen)

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3 Suggested Answers

  • 556 Answers

SOURCE: NEC FS6807S tuning

yes you can do it without remote control.

there is menu button on the front panel you can tune from there.

good luck.

 

Posted on Oct 12, 2007

SOURCE: Sanyo Ce21DN4 Tuning instuctions

Hit the f button on your control, scan through until you get to preset, then hit the volume button to changeit to yes. It should work after this!!

Posted on Jan 23, 2008

  • 5 Answers

SOURCE: How do I tune TV channels on my Sharp CX48G4 TV without a remote control? There is no tuning / settings panel on the TV itself which is very strange.

press the preset button on the front panel once then (TV should be on) the on the screen there should be words the likes of (Auto VHF 1 60.00mhz) now the Auto stands for auto tuning VHF stands for its frequency where its going to search the 1 stands for the channel where its going to start with 60.00mghz stands for the lowest signal to which its going to start now that you have understood all that just press the volume up button then it will automaticly locate all your working channels leave till it stops for when does it will start from channel 1 to which I believe that you be able to see the channel working so press the up button on the channel button to check the rest of your channels hope this will solve your problem!

Posted on Sep 16, 2009

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Programming my tv with a remote


you can program the channel manually, just press the menu button in the tv panel. select preset and then manual fine tuning to tuned every channel you want to watch and then save it.to make a manual fine tuning, press manual then select channel you want to tuned and then press vol. up/down button to search right frequency channel.do this process in every channel you want to tuned. hope this can help.

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Bought a 2nd hand N64 & don't know how to set it up on the tv as no instructions.


You now need to find a channel on your TV that ins't used for anything else (eg an old vhs player or non-digital tv) then whilst on that channel you need to go into your TV's menu, there is often a button both on the remote and TV itself for this. This is where you turn on your N64 if you haven't already. You then will need to go onto automatic tuning (or if you prefer, manual tuning, in the programme section (if you dont have a programme section, just srcoll through each section till you find automatic tuning) your TV should then start to search for channels, after a little while of searching it should find the N64's frequency it may be a terrible picture that is mostly fuzz you can either carry on the tuning to see if it'll find it better or just head straight to fine tuning (if you decied to keep going you can still fine tune for the best picture quality possible and also if the TV doesn't find it just follow the previous steps till it locates the N64 again) once fine tuned you will need to store this new channel and then you can go ahead and enjoy countless hours of fun on the worlds best gaming console. (If the automatic tuning doesn't find the N64 at all try manual tuning). If you have any other issue with the console itself just drop me an e-mail at garleet@hotmail.co.uk. Hope I was a help.

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1 Answer

Picture goes in and out


Hello,
This will require you opening the back cover of the television to test some component with the use of an ohmmeter.
This may be a slight drift - like someone is messing with the fine tuning
or such a substantial change in tuning frequency that the channels go by
as though you are surfing.

Possible causes depend on tuner type:

1. Quartz tuner (10 button direct access digital synthesizer) - For a
slight drift, a component is probably changing value, possibly the
crystal in the reference oscillator. For gross changes - flipping
through channels - it is more likely to be a digital control problem -
the microcontroller is misdirecting the synthesizer to change frequency.

2. Varactor tuner (buttons but not direct channel access) - If only a
single pushbutton selection is the problem, the the varactor tuning diode
for that button is probably changing capacitance. If all channels in
a band (Vl, Vh, U) are having a problem, it is more likely to be a
drifting D/A or faulty AFT (Automatic Fine Tuning) circuit or power supply.

3. Turret or switch tuner (Knobs) - A component like a capacitor is changing
value.

You will have to get in there with a heat gun or cold spray and track it down
the old fashioned way. At least, the problem is almost certainly localized
to the tuner box (and possibly the controller if applicable).

As noted, gradual slight changes in tuning are likely due to frequency
determining components drifting.

Uncontrolled channel surfing is probably a logic problem. For the
quartz tuner, this could still be marginal connections causing the
microprocessor to misdirect the synthesizer to change channels.

For the latter case, particularly, the cause may still be bad connections
resulting in loss of channel memory and/or erratic behavior.
Take care...

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1 Answer

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If you have sound, then your tv doesn't need tuning. Shine a bright light onto the screen, can you see a very dim picture? If so, your backlight has stopped working. This is almost always due to the inverters failing and can be repaired.

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1 Answer

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Type the station number i.e.for 2 type 02, this stores the station.
Touch the Increase volume button again to find the nexr station.
Upto 39 stations can be stored.
Fine tuning of any station is achieved by pressing the tuning button until three blocks sysbol is displayed.
Use the Increase/Decrease Volume buttos to fine tune the station.

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1 Answer

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1 Answer

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1 Answer

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