We have a 19'' Magnavox TV combo with Dvd & VHS. We bought this used and we have used it now for about 6 months. NOW, when we turn it on....a message comes on the screen that says: COMPUTER on one side of it and the other side says: Timer. After about 3-5 seconds, the TV shuts off. We've tried redoing setup and still no progress. HELP!
SOURCE: VHS won't play, sounds like tape will load then power shuts off.
This is similar or identical to another post, but here is an answer...
Hi, I have a solution you can try.
I had exaclty the same problem. When I tried to play a tape it would load (However, I recall I had to push hard to get the tape to be accepted, which is part of the problem) but would shut off after about 12 seconds, then when I powered back up the tape would eject. Finally I took the unit completely apart and attempted to use it with the covers off. Lo and behold, I found I could play a DVD on the unit without the unit powering off, but only if the room lights were on! If I tried to play a tape it would shut down the unit. So that led me to diagnosing the infrared loading and reel sensor circuits.
Background on that is there is an infrared LED that shines up through a plastic light pipe lens. The light from that LED (you can't see it) should shine on two photodiodes that are on either side of the tap mechanism, plus down through a gear with holes in it on to the reel sensor. When there is no tape inserted the two photodiodes will be illuminated and have about 0.2 volts across them. When a tape is installed the light will be blocked and the voltage goes up to above 2.5 volts across the diodes. You have to check this with the room lights dim as the diodes will respond to that light. When you block the light on either side of the plastic light pipe with your finger (with the unit disassembled) you should see the load motor engage, and it will back off when you take your finder away. For some reason in my unit the light from the LED was insufficient to turn on one of the diodes, and also to pulse the reel sensor when the gear turned. That could be due to component aging, or even if the light pipe started to cloud due to age, I don't know. However I was able to get the thing working...
In short I got the unit working by adding 3 resistors.
To do this you'll have to remove all the covers and remove the main PCB from the bottom chassis, unplug the power supply from the PCB, and the two ribbons going to the DVD unit. But you won't have to take off the VCR assembly, which is a pain. You just need some basic soldering skills, and remember where all those screws go...
First, I adjusted the voltage across the right-hand side load sensor diode to get the diode to switch on and off. I recall that I added 1meg across the diode. So the voltage then went from about 0.5v up to 2.8v from light to dark condition.
Second, I increased the current to the IR LED. I added a 330ohm resistor across the feeder to the LED. I recall that was R511 and was originally 220ohms. That was not quite sufficient to get the reel sensor working reliably. I didn't want to stress the LED by putting too much more current through it so looked for another idea.
Third I added 56k across the reel sensor diode to bring the voltage across it down so it would switch on and off as the reel sensor gear turned.
I now have a tape playing continuously in the unit and it seems ok for the time being. Hope that might work for you too.
Craig Townsend
SOURCE: DVD player wont show picture
take the dvd out and hold the stop button on the dvd player for 5 sec (not the remote) the dvd player and that will work
SOURCE: Progressive scan mode
f you accidentally set Progressive Scan to ON (within
Analog TV), press STOP 9 for five seconds to restore the
picture to normal operation.
SOURCE: HOW DO I CONNECT MAGNAVOX DVD/ VCR TO VIZIO FLAT SCREEN
Is simply. get the audio/vido cables and look on the back of the TV and connect from the audio video outputs from the combo to the audio video inputs on the tv. remember the colors of the terminals and connect them that matches the red, white (audio) and the yellow (video). Using the remote locate the button "input" or "source", and select video 1 or 2, depending where you connected it.
SOURCE: Magnavox DV220mw9 won't record from Tv, hard to connect
check out this diagram, paying close attention to the audio video cable hookups.
assume the cable tv box represents the converter box
you are going to come out of the converter box audio and video outputs into the new magnavox dvd/vcr combo audio and video inputs.
Then out of the new magnavox dvd/vcr combo outputs to the inputs on the tv if it has such inputs. The TV will have to operate on the video input 1 or 2 if the tv has such a thing, use the remote for the tv to adjust the input signal to line in 1 or 2 depending on what it has.
If the tv has no coaxial input or audio video inputs then you might have to use an adapter, you can get these from radio shack.
You say it will not record from the tv, but in all actuality the dvd vcr combo is getting the signal from the converter box not the tv, do you understand what I mean here?
So the dvd vcr combo gets input from the converter box so you will have to set it to view signal from the line input you have plugged in from the converter box. line 1 or 2 or whatever the input is.
the tv will have to be set on the line input to view the signal from the dvd vcr combo.
That is as easy as I can put it. Study the diagram closely. You will see what I mean.
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