Question about Sanyo DP46849 46 in. HDTV

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Cant get menu up to go to scan air channels it either shuts itself off or flashes the screen with no time to hit the up/down channel button to get to the air screen any ideas?

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1. Check out is the backlight on when you power up the TV?
2. If the backlights is on, then turned off when you power up the TV, please check the backlights power supply voltage (usually is 12V, or 24V), backlights ON voltage should be 3.0 V or higher, the DIM control voltage should be 2.8 V or higher.
If the 12V (or24V) voltages is missed after shuts down, you do have a power supply problem;
If one of the control voltage is missed or low, you do have a defective main board.
3. If both of the control voltage are high, the backlights turned on and then turned off, you my have a defective backlights inverter board, or defective lamps inside the panel.

Good luck to find the problem.

Posted on May 01, 2015

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1 Answer

I cannot change the channel on Westinghouse TV. Model SK-19H2105 - Tried to do the fix mentioned for channel scan - cannot find the channel scan.


Press the “Menu” button on your remote or the side panel to access the On Screen Display

(OSD)

—Use the right/left arrow buttons to scroll across to the “Setup” menu

—Use the up/down arrow keys to select “TV” and “Quick Setup”

• Use the arrow keys to select your “Time Zone”, which allows you to receive

proper HDTV programming information

• Continue with arrow keys to select your signal source “Air/Cable/IRC/HRC”

—If you use a rooftop or indoor antenna, select “Air”

—If you use a cable service, select “Cable,” “IRC” or “HRC” (depending on the frequency

used by your cable service)

—Press the left arrow key to start scanning for channel

Aug 16, 2016 | Westinghouse Televison & Video

1 Answer

LEDTV24FHDF


You should be able to get OTA (over the air broadcast) just make sure you have an antenna plugged in and that the tuner is set to AIR.

Setting the Tuner Mode
If you are using a device that is connected to the RF input, such
as an external antenna or cable TV connection, you must set the
tuner mode.
1. Press the MENU button on the remote. The on-screen menu is
displayed.
2. Use the Arrow buttons on the remote to highlight the
Settings icon and press OK. The Settings menu is displayed.
3. Highlight Tuner and press OK. The Tuner Mode menu is
displayed.
4. Highlight Antenna or Cable and press OK.
5. Press the EXIT button on the remote.
Scanning for Channels
Before the TV can detect and display channels and their
associated information, you must scan for channels. A channel
scan may also be necessary when the TV has been moved to an
area where different free-to-air broadcast television channels are
available.
1. From the Tuner Settings menu,
highlight Auto Channel Scan.
The auto channel scan begins.
2. Wait until the channel scan is
100% complete. Highlight Done
and press OK.
3. Press the EXIT button on the
remote.

Apr 08, 2014 | Televison & Video

1 Answer

Need to adjust convergence but no longer have the Remote Control


you can always buy a cheap universal remote and fix it that way.On most tvs you can access any menu features by hitting the channel up and down buttons or volume up and down buttons at the same time on most tvs its you have to hit the channel up and down buttons at the same exact time and the tv menu should pop up on screen.Hope this helps GOOD LUCK!!!!

Jan 02, 2011 | Hitachi 43FDX01B TV

2 Answers

I hook my antenna to the back and I'm not receiving a picture


Hi,

I'm assuming your Antenna is connected to your TV with a co-axial cable? If so, please make sure you have run the Analogue/Antenna/Air channel scan correctly:

1. Switch the TV on
2. Press the "MENU" button on the Curtis remote supplied with the TV.
3. Press the RIGHT arrow button five times to highlight the "Channel" menu
4. Press the "ENTER" button or the DOWN arrow once to open the "Channel" menu

The Air/Cable option should be highlighted.

5. Use the LEFT/RIGHT arrow buttons to set the "Air/Cable" option to "Air"
6. Press the DOWN arrow to highlight "Auto Scan"
7. Press the "ENTER" button or the RIGHT arrow once to start the automatic channel scan.

When the scan has finished, the TV should automatically return to viewing mode. If not, just press the "EXIT" or "MENU" button on the remote to close the menu.

You also need to make sure the correct INPUT/SOURCE is selected on the TV:

1. Press the "SOURCE" button on the Curtis remote
2. Use the UP/DOWN arrows to highlight "TV" in the INPUT SOURCE menu
3. Press the "ENTER" button on the remote to select "TV" and close the INPUT SOURCE menu.

This should be all you need to do to watch your TV from an antenna source.

Please post back if you are still unable to get it to work and need further assistance.

Regards,
BElectric





Dec 30, 2010 | Curtis LCD2424A 24 in. LCD HDTV

1 Answer

MENU SCREEN POPS UP, TV CHANGES CHANNELS, TURNS SOUND DOWN


Yes. Its probably a stuck button on the TV's front panel. Try pushing or wiggling each button on the panel. It could be the channel up/down buttons or volume up/down, menu, etc.

When there is a button that is making slight contact, it keeps the microprocessor busy attending to the command its erroneously receiving from the offending button and may not allow other functions to work when this occurs.

It doesn't matter which button is stuck, any of the symptoms you describe can happen.

michtech

Feb 17, 2009 | RCA P52926 52" Rear Projection Television

1 Answer

Cannot get the television to get out of fuzzy screen


  • hit the channel return button on the remote
  • hit the tv/video button on the remote
  • perform a channel scan through the remote menu
  • unplug unit for over an hour and plug back in, complete initial setup by following instruction on the tv.

Jun 25, 2008 | Philips Magnavox 27MS343S 27" TV

2 Answers

Channel keeps changing


It sounds like a stuck button or switch. What happens when you hit the channel DOWN, does it still keep scrolling down?
Is this with or without the remote?
Have you tried it with the remote and or the TV?

Let me know whether you are changing the channels with the remote or the buttons on the tv and I can try to give you a couple more suggestions.
Mac =)

Feb 12, 2008 | Televison & Video

1 Answer

Only receive 2 channels.


Can you punch in the channel numbers directly to go to the channels, but just not tune to them with the Channel Up/Down buttons?
If so then try tapping the favorite button on the remote until the screen shows "favorite mode off". This mode likes to stay [or perhaps turn] on when you scan for channels, but scanning clears everything in the favorite list except for the channel you are on when you start the scan (so it seems), thus leaving only one or two channels showing up. (This happens whenever I re-scan for digitals.)
To pick out favorite channels, go into the channel menu in the tv menu and with "Favorite: Analog" or "Digital" highlighted near the top, hit OK on the remote to toggle favorite status.

Nov 28, 2007 | Mintek DTV-263 26 in. TV/DVD Combo

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