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Magnavox tv 37mf321 displays black and white

My tv from one day to another starting displaying black and white when i watch the analog channels and the digital channels that it receives displays in color.i have regular cable.what could it be?

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SOURCE: RCA L37WD22 not receiving analog

what is the chassis #?

Posted on May 11, 2008

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SOURCE: Audio with digital channels, no audio with analog channels

I was getting a constant mono setting for all channels with no option to set it to stereo. I called Sharp, and they said that in order to receive stereo sound, you cannot use a standard coaxial cable. You need an S-Video or HDMI cable. This not only resolves the mono audio issue but also resolves the analog (vs. stereo) issue. Hope this helps!!

Posted on Jun 02, 2009

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SOURCE: No digital channels after running auto search

Same thing with my vizio vx37l tv. Did you fix the problem bpakja? If so please let me know how.

Posted on Dec 10, 2009

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TV Problem: No Video but Audio works

Here are some basic treatment for a dark display.
  1. On LCD TV, Some time missing or lose LCD strip from PCB connector. Solution- Clean strip and connector.
  2. Some time missing LAMP, burning lamp is a major cause for dark display in LCD TV. If lamp problem with any display, Display show in sun lights. Solution- Check Lamp connection/connector. Clean connector or change Lamp.
  3. In CRT TV, Fly back is faulted. There are no high voltages. Solution- Change or check fly back, Check out put transistor.
  4. Some OLED Tv Use OLED lights for display shining and brightness. IF LED's or lamps are faulted there is no display in sun shine.
  5. Before starting Troubleshoot display problem you need to conform and trace faulted stage of TV.
  6. Don't Apply any miss use trick at home. Contact the professional repairing lab.
  7. If you are full fault to understand your TV problem. Tip more condition of your problem.

Jul 02, 2015 | Element Flat Panel Televisions



Viewing the Self Check Diagnostic List
1. TV must be in standby mode. (Power off).
2. Press the following buttons on the Remote Commander within a second of each other:DISPLAY > Channel 5 > Volume - > TV POWER .
Results for all of the following diagnostic items are displayed on screen. No error has occurred if the screen displays a "0".
NOTE: If the Service Menu display text is not completely visible, press the Menu HOME button on the Remote Commander to refresh the display.
3. To exit Self Check display, turn the power off. Press [Menu] Exit.
Clearing the Self Check Diagnostic List
1. In Service Mode, press the Channel 8 Channel 0 .

RESETTING TO FACTORY DEFAULTSUse the following instructions to restore the User Controls and
Channel Memory settings to the preset factory conditions.1. While holding down the UP ARROW on the Remote Commander, press the POWER button on the right side of the set.The set restarts and displays the initial setup screen. This may take several minutes.
White Balance adjustment
1. Allow approximately 30 minutes for the set to warm up before proceeding with the white balance adjustment.
2. Connect the signal source to the 3 terminals of the Component In input (Y/Pb/Pr).
3. Set the Picture Mode to "VIVID" in the user menu.
4. Select the Component In input.
5. Open the Factory Service Menu (see section 3-1.) and select "Service Alignments Menu".
6. Set "White Point Red", "White Point Green", "White Point Blue" and "Black Level Offset Red", "Black Level Offset
Green", "Black Level Offset Blue" to average values .
"Cool " White Balance Adjustment
1. Select "COOL" from Color Tone in Service Alignments Menu.
2. Input 70IRE full white pattern signal into Component In.
3. Adjust "White Point Red", "White Point Green", "White Point Blue" in Service Alignments Menu if needed.
4. Input 25IRE full white pattern signal into Component In.
5. Adjust "Black Level Offset Red", "Black Level Offset Green", "Black Level Offset Blue" in Service Alignments Menu if needed.
6. Repeat steps 2 to 5 to achieve desired White Balance.


on Jun 30, 2015 | Sony Bravia KDL-26L5000 26 in. LCD HDTV

2 Answers

I have digihome tv has sound but no picture and nothing on virgin

is this happened either watching a tv channel or even watching dvd movies?. and then does the display only white screen or a totally black screen?.

Oct 16, 2012 | Digihome LCD TV

1 Answer

I have a 19" magnavox

Do you have a digital converter box. If not, you need to get one to receive the analog channels.

Feb 06, 2011 | Flat Panel Televisions

1 Answer

Can't get channels

You will certainly need an original remote. Try the Philips Parts or see to find one! Hope this will help.

May 23, 2010 | Philips Magnavox 42MF521D/37 Television

1 Answer

How to tune my digital chanels in my bush lcd tv

i just saw a post which I believe will solve my problem (I connected to the wrong coax antenna plug). I haven't tried, but I'm pretty sure that is the problem.

Here's the post from akai_owner from 2007:

Look at the back of your TV. Make sure your cable is hooked up to connector on far right, NOT the far left. (For analog cable TV.)

Push "source" button on remote or side of TV to cycle through TV inputs. Wait one second between pushes. You want to stop just before the source that displays "AV" on TV screen. It should show a number, for the current channel number.

If you are using an analog cable box, try setting the TV channel to 3 or 4. If you use no cable box, try changing channels on TV to find an active one. If no luck, make sure your cable service is active (subscription active). Cable companies disconnect it between residents of an apartment/house.

Dec 19, 2008 | Flat Panel Televisions

1 Answer

Display box keeps popping on and off on screen

Your display box continues to pop up because of the way your optimum box is connected to the back of your television. If you are connected with a coaxial cable from the box to the back of the tv, you will get that display box. The reason you are getting it because of the weak signal coming from your coaxial cable(which is the worst cable to use when connecting ANYTHING to ANY tv, especially a lcd tv). That cable is sending a fluctuating signal and your television is adjusting to that(hence the reason the display box comes up). Use composite cables(typical red, white, and yellow cables) to connect your box to your television and I guarantee your problem will be solved. Make sure you unplug that coaxial connection from your box to the television.

Dec 08, 2008 | Sharp Aquos LC-32D40U Television

1 Answer

Display problems

you have closed captions on TURN IT OFF! this will solve it

May 05, 2008 | Toshiba 32HLC56 32 in. HD-Ready LCD...

2 Answers

Green box keeps popping up in upper right corner

You should be watching your dvd's on an input and not on tv analog 3. Every time the tv "senses" a signal change in the audio that screen will pop up. Connect the DVD player to the tv by using either the red, white and yellow (composite) connections or using the green, blue, red, white and red (component). Once you are on an actual input that box will stop popping up.

Dec 27, 2007 | Sharp Aquos LC-42D62U 42 in. LCD HDTV

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