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Everytime I put the tv on or switch channels the auto tune channel scanning comes on. This is also hapening to my sisters. I have unpluged and retuned but it still keeps happening?????????

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Your unit needs to clean and some resoldering works due brittle,crack or cold solder joint parts,this is very common to this unit.Cold solder issues - each component is soldered into small holes on the printed circuit board which in turn connects said component to the other components. Due to time, heat, use, some solder joints would be cracked or loose. It is possible that the cold solder is still minimally connected (hanging by a thread). When the receiver turns on heat would be generated which would be sufficient to further loosen up the solder joint to the point it no longer provides electrical contact. Jarring the unit creates movement inside enough to re establish the contact, sometime good enough sometimes not enough.

Again, since the unit still operates (sometimes) then it is highly probable that there are no defective components. As you have surmised, it is possibly a loose connection, solder joints are "connections" except that molten soldering lead is used to attach/connect the component to the board, "loose connection" in this sense is equal to "cold solder".

Again on the assumption of no defective parts, then seeking a more experienced buddy for the soldering might be to your advantage. This is of course in addition to the possible electrical hazards when repairing....If i have helped,please click fixya.It is the only way i get paid for my work...

Good luck:

Posted on Jul 18, 2008

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I have tried to tune my tv but its still not going even when i put the cable in the right place.! it just shows no channels at all.! what can i do?


In your "Channels" menu, you should have the option of "auto tune". Once you've plugged in your antenna, cable cord, select this option. Before doing so, unplug your tv ONLY and let it set for about a minute. Plug it back in, turn on, go into Channel Menu and select the "auto tune" option. This may take a while, as newer tvs have several hundred channels. This will auto tune your tv to the channels received through your selected device\cable. You may consult your user manual for further assistance. I just did this with my tv a couple weeks ago and its very simple. You will also be able to "delete" channels that do not come in well, or not at all i.e. The "ant screen" etc.

Aug 29, 2014 | Televison & Video

2 Answers

All channels permanently deleted accidently, can I restore them


Auto tune the channels as found in the manual
  1. On your remote, press Menu.
  2. select Channel and press OK on your remote.
  3. select Auto Tuning and press OK on your remote.
  4. select Yes and press OK on your remote.

Nov 10, 2013 | LG 32LD350 32 in. LCD TV

2 Answers

I just received a Coby TFTV992 9" portable TV. I'm trying to tune the TV channels without success.


1st click the "mode" button on the TV or remote then use the vol. up and down buttons to scroll around until you get to DTV mode then press "enter" on the remote you should get a message "please run channel auto scan" . click "Menu" on the remote the "Picture" screen will come up, keep clicking the vol. up button to scroll past "Audio" then "Setup" then to "Channel" then use the CH up or down buttons to scroll to "Air" click OK , then use the CH down button to scroll to "Scan all channels" then click the vol. up button. it then should start scanning, FYI you have to be fast!

Jan 07, 2013 | Coby Usa Coby Electronics TFTV992 9 Inch...

1 Answer

Need to scan channels


you can do the auto search channel. just press the tv menu and then find the channel search and select auto search. so that all available local channel will tuned.

Aug 30, 2012 | Insignia NS-LTDVD19-09 LCD TV

1 Answer

Gooman ld2667d tv is not recieving any digital channels, using the same ariel port as before. unplugged the tv to put onto a new stand and getting no digital tv channels. Signal is 0 % too. Before i...


The range and the airial antena have trouble recieving the new location air signal.Try buy a new digital antena and install it.Auto tuning it again.Should work fine.

Aug 12, 2011 | Goodmans 289NS 14" TV

1 Answer

How do I retune my Panasonic Viera TV?


Hello
To tune your Panasonic Plasma to on air TV channels do the following:

Connect the antenna connection to its antenna in at the back panel.

Automatically searches and adds available channels to the memory.

Select "ANT in"

Select Cable or Antenna Select "Auto"
Select a scanning mode

Auto channel setup
Select "Auto program"
Select "ANT in"
Select "Auto"
Select scanning mode (ALL channels/Analog only/Digital only

Start scanning the channels

Available channels (analog/digital) are automatically set.

All channels: Scans digital and analog channels

Analog only: Scans Analog channels only
Digital only: Scans Digital channels only
Confirm registered channels

If OK is not pressed after selecting "Apply", the channels will not be saved.

The channel will be saved when no operation is performed for 60 seconds and

the "Manual program" menu will also exit automatically.
If you perform scanning more than twice, previously saved channels are erased.

About broadcasting systems

Analog (NTSC): Conventional broadcasting

Digital (ATSC): New programming that allows you to view more channels
featuring high-quality video and sound
[Use "UP ' DOWN ' RIGHT ' LEFT] AND 'OK"] keys to selcet and proceed.

Mar 07, 2011 | Panasonic Viera TH-42PZ80U Plasma TV

1 Answer

We can't get any of the channels don't know where to start from menu area


Hello

You just do autotune to receive all channels. In this mode TV will tune through the entire channel band automatically, and finally will stop tuneing, and will show the first channel receved. You must be patient for these time. about two or three minutes, without disturbing is process. The tuning process follows.

Auto Tuner Setup

In Auto Tuner Setup, the TV automatically scans

t h rough all available channels, memorizing the active

ones and skipping over blank ones or channels with

weak signals. This means when you scan (using the

CH A N N E L +/- b u t t o n s ) you will receive only clear,
active channels
P ress the ME N U b u t t o n
Press UP or DOWN buttonTo AUTO TUNER SETUP
Press Right or Left button to operate
Press Vol+ or Vol (--) to choose CABLE or AIR
Press UP or DOWN button to move to START
Press Right or Left Button to start Auto Tuner Setup

Tv will show "NOW PROGAMMING" display.
Programming will take approximately 1 to 2 minutes.
After all it will show
PROGRAMMING OVER

Some cable systems experience interference from radio frequencies on cable Channel 95. You may delete this channel from
your scan by removing the "X" next to it on the Channel Summary screen.

Nov 29, 2010 | JVC AV-27120 27" TV

1 Answer

The digital tuner on my Olevia LT37HVS LCD TV freezes sometimes. When it does, you can't change channels, adjust the volume or even shut it off short of unplugging it. All of the other A/V inputs work just...


Tune the tv to a channel that is just blue screen. Then turn the tv off and unplug for at least 30 sec. Then plug the tv back in and turn it on. Then leave the tv on the blank screen channel go into the menu and do auto cable channel search. After the search is complete try all channels. This worked for me. My tv will not scan if the tv is on a channel that comes in. GOOD LUCK these tv's are junk .

Sep 21, 2009 | Televison & Video

1 Answer

Tv tuning instructions how to?


The quick user guide is available here: F32648 F36648

Tuning is automatic on this TV, ensure that auto channel search is on from menu.

Advanced Auto
Channel Search
Auto Cable/Air Switch sets tuner
to cable or “off-air” frequencies
during initial setup. Then system
automatically scans for and locks
active channels into channel
memory.

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1 Answer

Tuning programmes on Toshiba 30HF83 30" TV Problem


Hello Skinno, Frist of all make sure that you are set to Antenna input and then connect your antenna to the TV this will pull in the VHF ansd UHF channels. Then perform the auto channel select. If this does not work perform a manual channel selection this should clear up your situation.

Sep 03, 2007 | Toshiba 30HF83 30" TV

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