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couple of videos. hopefully this helps
https://youtu.be/m2BaG_RZGIQ?si=9DQSfHSPFHiVLLxV
https://youtu.be/gdaNgqsImYM?si=3InhjeDOOX76SsC0
yes, functions appear to be normal. FF and RW also and it appears to track skip and i can ‘turn’ the head to reverse during play.
Even if i just press ‘display’ it lights up for a few seconds.
Okay, I’ll try swapping out the mechanism so we can isolate the issue. It’ll give me the chance to check one against the other as well.
Belt looks original and not tensions seams correct, not overly tight. I agree it looks that way but also cut off if you just press display or stop so no motor use at all. (See video)
I have another fully working 5500 so I may swap out the tape unit and see if I can isolate the problem to the mechanism or the circuitry
still no further, the standby light is one and when I press any function it comes to life for about 5 seconds then goes back into standby. for the 5 seconds it appears to work correctly, just doesn’t carry on.
I’m a bit stumped. there is just one belt and I cannot see if there is a ‘tape running’ sensor as I had a similar issue with my old beocord 500 where it would stop if the tape counter belt wasn’t attached.
Any thought on what to look at next?
Thanks Martin. This doesn’t have a secondary belt. Any idea why it’s happening?
been through it and re-flowed a few including all of the display and a few from 6IC3 but no change.
I have managed to ascertain exactly which segments are not working. all working apart from the second array. working lines only, shown below.
sadly this didn’t work for me so still looking for a fix. its a mark 2 beolink 1000 and it had a broken positive wire from the battery housing. once I replaced this I did get a flicker of life from the LED’s but didn’t operate my Beomaster 3500. i pressed a few more buttons and thought i’d check with the camera again and this time no flicker from the LED’s.
i have it stripped down and i’m getting around 4.5v from the batteries, just nothing from the LED’s
HELP!! 🙁
not had a chance to test the supply voltage as yet. any tips as to best practice? I’m fairly competent, but wouldn’t want to make a mistake.
i tested all the big caps first and they all check out ok. it just feels like its underpowered, so agree its caps (probably ruled out) or PSU (still to test) or …something else.
Just wondering why on the odd occasion, it powers up fine with buttons working, all be it sluggish.
video for reference. is this correct?
now corrected. many thanks for the heads up Martin.
it squeaks loudly each time once the draw stops.
should i lube the belt lightly? seams wrong.
Morning Martin,
I am having the exact same issue. How can it be resolved? do i need to replace or check capacitors or an IC chip?
Its like the tracking is sluggish.
I’m going to replace the LDP light dependent photoresistor to see if that helps.
Does anyone know the rating for this?
I have slightly over weighted the needle pressure to help but is making no difference.
I have been through the manual and cannot see an end of play adjustment, only a set down adjustment. Could you show me this section please?
Video here.
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