Question about Televison & Video
When using coaxial, video or component the screen or displayed picture will jump slightly but constantly. I switched to the hdmi input after the issue started, no jump to the picture but a different issue developed. After about a week of using the hdmi the screen started to develop an issue with the horizontal and vertical pieces of the display. Such as, the screen will occasionally have a 1-2" blue strip at the top. The screen will also split down the middle and half will twist and scatter different from the other half. The entire time this happens the screen or transmission is visible. After powering down and turning the set on almost immediately it will correct the issue but only for 15-20 minutes or less. I suspect since the main input and the hdmi input boards are separate that the issue might be a power supply, can anyone give me some guidance. Thanks
my 42 also went black, and the "vizio" logo in front indicates as if it is turned on, it clicks on and off, but just has no output on the screen, meaning not a black screen, just a dead, no image, even when the system has clicked on
I tried turning off, on, unplugging, letting it sit (kind of like a reboot wishful thinking), removed all connections in back, (nothing still, not even the blue screen) just nothing.
What a shame, I had the unit less than 6 months, and now this? I have work to do, and I can't get it done.
Posted on Mar 23, 2008
SOURCE: I have a Samsung LE37R74BD
Have the power supply checked for faulty puffed up capacitors. You are expriencing low supply voltage to the main board.. There could also be a thermal intermittent on the main board or the TCON board. But for the most part this symptom is related to the power supply.
Posted on Dec 08, 2010
This TV is known for powersupply failures and this can be effecting the incoming voltages into the mainboard (AKA tuner board). This would cause the noise. Please have someone look into the powersupply and check that the proper voltages are coming from it. If they check out ok, you need to replace your mainboard.
Please rate if this helped :)
Posted on Mar 30, 2011
SOURCE: Having an issue with a
After replacing the main board, you have to do some service adjustments to it. It is a skilled work indeed. You must have it schematic [service manual] to do the work. All adjustment should be done is in it. Without making that adjustments very keenly, the other boards won't accept the new main board. OK.
Posted on Sep 21, 2011
Tips for a great answer:
Feb 21, 2015 | Televison & Video
Oct 13, 2008 | iLO V27DMBX Television
The Picture in Picture
(PIP) on VIZIO televisions works on multiple input sources. This means
you have to have signal or a device connected to more than one input on
the television and have both inputs selected to display the information
going to them. Here is an example. Let's say you have an HD cable box
connected to your television and you would like to have more than one
channel displayed on the screen in order to keep an eye on both football
games at the same time. With one device connected that's not going to
work out the way our TV functions. What you want to do is get
a coaxial splitter and two extra coaxial cables; these can be found
anywhere home theater equipment is sold. Then follow these steps.
1. Turn off both your cable box and television.
2. Take the coaxial cable that comes OUT from the wall and connects to the IN of your cable box and disconnect it.
3. Connect that cable to the IN on your coaxial splitter.
Connect your two extra coaxial cables to the OUTs on your coaxial
splitter. We will call them cable 1 and Cable 2, just because.
5. Connect cable 1 directly to the DTV/TV input on your television.
Connect Cable 2 directly to the IN on your cable box, this will be the
same connection you removed it from in step #2. Your HD cable box should
still be connected to your television with either an HDMI cable or
Component cables (Identified by their Green, Red, Blue colors for video
and Red and White cables for audio.)
Power on both the cable box and your television. Using the INPUT button
on your VIZIO remote select the input connection where your cable box is
located your cable box picture should come up on the Main screen.
Press the PIP button on your VIZIO remote to bring up the small box in
the corner. Press the PIP input button until you select the TV input and
you should be ready to go. You may need to perform a channel scan with
your TV tuner to locate all available channels before you do this step.
In order to understand better how to perform a channel scan please check
under the F.A.Q.s in the discussion area of your particular model
In order to change channels in the small screen use the PIP CH - and + buttons located near the bottom of the remote. You can swap picture in the Main and Sub screens using the swap button and swap which screen will sound off its audio by using the AUDIO button. You might notice an X next to some of the selections in the INPUT and PIP INPUT screens when you have PIP activated. That means that input selection is unavailable and cannot be used. For example, if you have the input TV selected on your main screen then if you press the PIP INPUT button and bring up that input menu you will see X's next to the TV and AV selections. The X's mean that when you have TV on the main screen you won't be able to use TV or AV on the small screen. Instead you would need to use any of the input selections that do not have an X attached to them.
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