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Thursday 26th November 2020
8:35 pm U.K.
Sorry to get out of subject talking about NTSC machines
Got the EDV-9000 Japanese today.
No guarantee I took my chances.
It took the tape in and started to play it very slowly, I took the cover off and moved some of the tape reel parts, got some movement going.
After tbat no response.
Wednesday 25th November 2020
11:50 pm U.K.
hello to Noel and Kevin,I have not posted for a while and have just purchased 2 hall ,I C units I have not fitted them yet and I require some bits for one of my 950s Noel do you recall the jog shuttle remote I got from you well a lot of my stuff has not been used for a long while 2 of my 3 950S were working very well but 2 of them the hall units have failed ,I have another 950 which has had brand new heads fitted but I replace the complete front outer cover and get a 950 remote control ,I would like to repair or replace the jog shuttle remote which was working but now shows no sign of life i removed the old batteries and the place everything was dry and warm ,one of my previous post was ,as I use sky HD I was not able to connect up using RF but I have now got 2 more sky HD boxes that have got this type of output so I have been able to tune in using the traditional ariel cables hopefully Noel you are able to supply these bits and if you have a complete dead 950 power supply panel that would be great.I have rebuilt one but since moving to my current location can not find my notes of what i replaced and would like to have a spare power panel to rebuild in case one fails ,I got a C9 which is in fairly good condition and have strip the DC-DC unit which was working but flickering so I have replaced all the caps with 105 types,the machine worked for about 2 months but has now failed but I think the problems are the caps in the reel motor circuits need replacing as its not rew/ ff modes regards David Grant.
Tuesday 24th November 2020
10:11 pm U.K.
Hi, I haven’t been active online with Betas for about 20 years, but been collecting them all the time.
Thinking abput makng a new website for selling some of my Beta gear, or maybe just offering it on Ebay.
Lots of 90’s and 00^s brand new tapes including Sony PRO-X, PRO-DX, Master HG etc.
Let me know if interested, located in Helsinki Finland (EU).
tel and whatsapp +358400843600
Sunday 15th November 2020
12:32 pm U.K.
Really glad to see you are back here.
Thanks for your suggestions and advice. I will put them into practice once I can get access to those machines again.
Take lots of care,
Friday 13th November 2020
6:55 pm U.K.
Sorry i've been absent from here for a while.Seem to be having huge issues getting access to this chatpage for some reason.
Anyways,i've seen you latest post Noel and the reason those tapes are not seating correctly is the insertion mechanism belt is worn/Stretched.
I've seen that fault on a M40.
Gabriel: those issues with your M20 is most likely the servo pot's for the head drum are going out a tiny bit.this does occur rarely but if they are set up perfectly you should get a instant picture stability from all modes.Like forward search to play.
Hope this helps and most are staying sane in this mad world we seem to be living in!
Thursday 5th November 2020
11:24 am U.K.
Sony SL-HF100 Repaired, thanks guys both faults were on the Palsite fault page.
No head drum rotation - replaced Hall effect sensor.
No Colout (Chroma) on playback, only on Pal tube tv and converter but worked on flatscreen colour was fine - Replaced CV001 in Video Board.
It really did bring back memories of repairs to Betamax VCR's from 1987 onwards. my first was an SL-C6.
Just to say cheers all.
Monday 26th October 2020
8:21 pm U.K.
That is a very strange picture issue. It is obviously relating to short term variations or lock issues relating to the horizontal sync pulse. I suggest you get a service manual and use an oscilloscope to see if you can track down were the fault is.
One thing I would check is the setting of the drop out compensator which is set incorrectly can produce a similar effect.
That circuit switches in a delay line to repeat the previous sweep lines information when a drop out occurs.
Sunday 25th October 2020
3:22 pm U.K.
hello, i have a problem with my SONY Betamax SL-C40ES PAL. When playing some tapes the recorder produces a distorted picture. This is although not on all tapes like that.
Here's a link to a capture I made. https://www.youtube.com/watch?v=PZdl-G_ZTiU
Tuesday 20th October 2020
3:09 am U.K.
Kevin is the expert on the Sanyo machines so I would recommend you ask him what the trick of the trade are there.
I have just been playing and with trying to get a couple of NEC machines going. Never again - no manuals - no parts.
Wednesday 14th October 2020
4:49 pm U.K.
Thanks a lot Noel,
Touching and varying by hand the back tension lever is usually within my check routine for VCRs. However, these two Sanyos don't seem to improve even a bit with this procedure so that was the reason for suspecting a servo issue.
I am also thinking on measuring capstan and head motors stability via speed/phase signals, just to see any possible jittering causing this issue. But honestly this will require me some time.
All the best,
Wednesday 14th October 2020
1:32 pm U.K.
I have had quite a few where the back tension lever builds up an oscillation. I think its due to contamination on the supply reel or the belt that grabs it varying the amount of friction. See if just touching and applying pressure to that lever changes the picture shaking.
When this happens I pull the parts out and clean them., I scrape along the friction felt with a knife to rough the surface up and disturb any dirt particles lodged in it.
Monday 12th October 2020
12:02 pm U.K.
So far the power supply capacitors have been changed and the tracking potentiometer has been checked to be OK.
Do you know any typical fault related to this symptom? I shouldn't blame a tape path misalignment because, to my experience, this is seldom found on Sanyos unless someone has fiddled the machine before (doesn't seem to be this case). Pinch roller is also in good shape and I have also swapped it with identical results, though.
Are these machines prone to servo capacitors failure?
Thanks in advance,
Thursday 1st October 2020
1:25 am U.K.
OK there is information on Palsite to address that issue. Send me an email if you want photos of circuit information/board layout or Capstan and video head electronic alignment procedures.
My contact details are on Betaheaven.com
and Hi to Kevin. I sorted out the alignment issue with the Sanyo M10s thanks. I still have an issue with the cassette mechanism not full lowering different tapes correctly into place for some reason.
Monday 28th September 2020
4:18 pm U.K.
Monday 28th September 2020
4:17 pm U.K.
Hi Noel thanks for the reply. Picture sync is terrible so I'm led to belive that it the notorious electrolytics on the servo board.
Sunday 27th September 2020
11:46 pm U.K.
I can take photos of some pages if you send me your email address and tell me what you are specifically interested in. What faults are you trying to fix?
regards Noel (betaheaven.com)
Friday 18th September 2020
3:28 pm U.K.
Hello to all, Ive been trying to locate a service manual for a SL-C5UB for some time now but no luck, anybody on here have a spare or copy to help me on my quest to repair my machine.
Sunday 13th September 2020
12:27 am U.K.
With the HF950 fast capstan issue - I have the exact same issue with a HF100. Started off as an intermittent fault but has progressively become worse, so much so that's now constant. I'm working through the circuitry and have a donor machine so have swapped components and boards narrowing it down to the main servo circuitry (not capstan motor or drive PCB). I'll post the fix when I find it in the the hope it helps you...
Sunday 13th September 2020
12:17 am U.K.
I'm trying to get an AG-7 tape changer working with a C7. I have a later machine with the C7 logo on the front flap but I'm starting to suspect that the machine itself is of an earlier version which doesn't support the AG-7. I searched a while back and found info on the modification but for the life of me I can't find it now. Does anyone have the details for the modification at all? Would be so great to get this up and running finally...
Friday 11th September 2020
6:53 pm U.K.
As Noel suggested, the C80 was sold in Australia under the -AS suffix.
In Spain we had the C80E version, which was very common. Today, it is not difficult to spot one in an assorted degree of conditions. It wasn't sold in many different countries AFAIK.
It is an overall simple machine, despite its appearance. Its mechanism is mostly based on the C30 model with an improved three heads assembly for perfect pause and frame advance. Because of that, it makes use of a dedicated additional board.
From the ones I have serviced, I can say many of them suffer from common issues (black loading gear, 3H Hall sensor and its dreaded glue, planetary assembly and eject left gear among others). But they also develop poor loading and threading torque, muffled audio and display issues. The clock/counter one is usually quite faded. The secondary (timer) is usually bright but you can only enable it vía the original remote: the huge RMT-220.
Right now I own a very special specimen in grey color. And the remote is also grey!