Question about Televison & Video
Vhs side is damaged, turns on but turns off in seconds,what can be the problem. VHS side is broken due to tape getting stuck and breaking a small piece of white plastic off inside. can it be fixed by myself or does it need a doctor.
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Posted on Jan 02, 2017
SOURCE: stuck tape in vhs/tv combo
Unplug the TVCR, take the cover off, find the motor (probably on the
right side of the mechanism) and turn its shaft with your fingers until
you have run the tape back out. Now plug it back in and try it
again with a scarificial tape. If it continues to fail, replace
all the rubber belts in the mechanism.
Hope ya fix it!
Posted on Jan 08, 2008
Hello, follow this link to download the manual and the codes for your remotes:
just right click and save as on the download links.
if this does not work you can try the search method,
you do this by either holding down the device button eg: TV or if you have one the "magic" button for three seconds, a light should then flash twice to say you have done this correctly.
then press the keys 991 then the power button.
you must now press the channel up key (ch+) possibly upto 150 times while the remote cycles through every code.
Once your tv or device switches off stop pressing the ch+ key and press the power button to make sure it switches back on,
(if you press ch+ too many times you can go back by pressing ch-)
When complete press the magic or device key again to save the settings (light should flash twice to confirm)
(For low price replacement remotes visit www.sparky-uk.com)
Posted on Jan 23, 2008
most universal remote controls will not operate the combo type units. Contact www.remotes.com for a repoacement remote.
Posted on Nov 26, 2008
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.
Posted on May 26, 2009
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