ARCHIVED FORUM -- March 2012 to February 2022READ ONLY FORUM
This is the second Archived Forum which was active between 1st March 2012 and 23rd February 2022
Can I tactfully suggest that you may not have re-assembled the CD mechanism to the servo board correctly. In particular, check that you have inserted the printed film connector into the socket on the servo board. It is inclined to slip partialy out as the lock is pressed. Also check that the swinging movement of the laser block is not being restricted by the film or another misrouted cable.
I have replaced C2103 on several hundred servo boards in 9000,9500,5500,6500,7000,3500 and 4500 machines and I can pretty much guarantee that you should NOT need to make ANY adjustments to the pot/pots on the board. If you have already done so you will need considerable technical ability to return them to the correct positions.
Leslie's suggestion that you send the mechanism to Blackrix in Holland would seem to be very reasonable.
Regards Graham
Hi Graham,
At this point I am assuming that the capacitors were not the issue, but would be eventually, so it is just as well that they were changed.
I am flattered that you believed I was knowledgeable enough to know what the “pots” were, or that they were adjustable.
I simply follow the directions given me as I am not technically oriented. I was told to replace 5 capacitors and that is exactly what I did.
Leslie and Blackrix are attempting to help me right now.
After the moderate tap I am virtually back where I started before changing the 5 capacitors. As such I feel a bit better about the eventual outcome.
I am 99.9% certain that all connections were made correctly. I was given very specific advice as to the care I needed to take by Martin.
When I get this fixed I will let you guys know what was the real issue.
Please know that I am most grateful for everyone’s help! Thank you all!
Jeff
Beogram 4000, Beogram 4002, Beogram 4004, Beogram 8000, Beogram 8002, Beogram 1602. Beogram 4500 CD player, B&O CDX player, Beocord 4500, Beocord 5000 T4716, Beocord 5000 T4716, Beocord 5000 T4716, Beocord 8004, Beocord 9000, Beomaster 1000, Beomaster 1600, Beomaster 2400.2, Beomaster 2400.2, Beomaster 4400, Beomaster 4500, Beolab 5000, Beomaster 5000, BeoCenter 9000. BeoSound Century, S-45.2, S-45.2, S-75, S-75, M-75, M-100, MC 120.2 speakers; B&O Illuminated Sign (with crown & red logo). B&O grey & black Illuminated Sign, B&O black Plexiglas dealer sign, B&O ash tray, B&O (Orrefors) dealer award vase, B&O Beotime Clock. Navy blue B&O baseball cap, B&O T-shirt X2, B&O black ball point pen, B&O Retail Management Binder
Søren Mexico:Do you mean mechanical or speaker noises, some time ago I had a little problems with my CD50, not reading first 15-30 sec. of the first track, it turned out to be the motor, clean and lub fixed that, I think Jacques had a same problem but he had to change a cap or 2, and adjust the focus V.
Hi Søren,
The noises, and there was quite an assortment, were mechanical, NOT coming from the speakers. All went away as soon as the CD player started working again.
joeyboygolf: I have replaced C2103 on several hundred servo boards in 9000,9500,5500,6500,7000,3500 and 4500 machines and I can pretty much guarantee that you should NOT need to make ANY adjustments to the pot/pots on the board. If you have already done so you will need considerable technical ability to return them to the correct positions.
Quite right! In my case I had to because, stupid me, I have been using the wrong hole on the servoboard to fit the screw in. Guess which hole?
Right, where the potmeter was So I followed the instructions litterly and succeeded to adjust the specs according to the manual.
joeyboygolf:Leslie's suggestion that you send the mechanism to Blackrix in Holland would seem to be very reasonable.
Not to Blackrix but to me. I can test the CD unit in one of mine and if it still has a mallfunction I will try to repair. I also have a working donor left.
But if you want to have it send to Blackrix be my guest. Where is he by the way?
Brengen & Ophalen
Hi Leslie,
Blackrix provided very good advice as to re-soldering key components as it appears I have one or more bad solder points.
The CD player is playing intermittently, which is annoying.
May I ask how much it would cost for your donor unit? It would be far easier for me just to exchange the CD unit and ship you mine.
Just let me know what the cost would be.
Many, many thanks!
At the moment you have a non working unit.
Send it to me and I will have a check if your CD has a defect (or not)?
PM to you....
I am really happy to report that at long last I have a 100% correctly functioning BeoCenter 9000 thanks to Leslie sending me a replacement CD unit.
I can’t believe how easy it was as compared to my 20 or more attempts to get the original CD unit working.
Most things I did improved the situation but never enough to be satisfactory and nothing was permanent. All the adjustments and in the end tapping on the laser arm is what actually got it to work….. and that was not sustainable.
This morning Leslie’s CD arrived, I opened up the 9000, installed the CD player and like magic it played.
I am currently testing it out, running it though its paces with various functions, but so far….. perfection.
I am SO happy! Thank you Leslie for all your advice, patience, and the CD replacement! Really made my weekend!
Thanks Jeff, pleasure doing it for ya....
"Lucky me" Leslie
Piaf:I am SO happy! Thank you Leslie for all your advice, patience, and the CD replacement! Really made my weekend!
Congrats Jeff, nice to hear that your 9000 works, now with the same determination onto the other problem items, this weekend will be for enjoying your CD music, but the next weekends must be dedicated to BM 4400 and maybe your BM 2400
Collecting Vintage B&O is not a hobby, its a lifestyle.
Søren, What is THIS?
Working on my Beomaster 4400 and Beomaster 2400?….. OMG, what a fiasco that would be if I tried.
If you are saying that you feel I am REMOTELY in your league vis-à-vis being able to repair these complicated beasts….. well thank you very much for the compliment, but it is totally undeserved as I don’t have anywhere near the ability to repair an amplifier.
I was out of my depth with the BeoCenter and got lucky more than once not breaking anything. I’ll stick to the Beograms, something I can understand.
As for these two amplifiers the Beomaster 2400 has a switch issue that is very intermittent, not an amplifier problem. When the switch fails to do its job the sound quality very much resembles a blown amplifier, but get the switch to function and all is good.
The Beomaster 4400 is probably on borrowed time, but for now is working. (I have mentioned this several times and I am trying to avoid my tendency to be redundant.)
Today I got a real “scare” with the Beomaster 4400 in that I lost about 95% of the volume in the right channel. I switched the Balance control back and forth and no doubt about it, there was almost nothing coming from the right speaker. I was convinced the right channel had died.
I then selected an FM station and viola the sound returned to normal with both speakers.
Now this is Jeff’s kind of repair so I checked the connections and something was amiss with the ancient RCA plugs coming from my cobbled together Beogram 8000. A little TLC and the sound returned in the right speaker and tomorrow I’ll take a look at the plug internals.
But for now we are celebrating Robbie Burns Day, Scotland’s favourite son with traditional stew and vegetables. (Between you and me until today I had never heard of this man, but my family is all excited.) I’ll let them be happy with the traditional Scottish meal and evoke the memory of the great poet, while I quietly savor my long awaited triumph with the BeoCenter 9000.
¡Via con Dios!
I am absolutely delighted with my resurrected BeoCenter 9000 and ALL that I have learned about these gorgeous units.
This 9000 clearly suffered from being dumped in a huge recycling dumpster, but everything is working properly now.
I am especially impressed by the FM reception as even without an antenna I was able to bring in Seattle, Washington which is a distance of 75 miles or 120KM. With a ribbon antenna I am able to receive Olympia, Washington CLEARLY which is a distance of 99 miles or 159KM.
New belts fixed the door issues and although about eight months of labour failed to get my CD player working dependably, Leslie in the Netherlands kindly provided me with a replacement CD unit which solved my last problem.
It is still a bit of a “shock” to press play on the remote and have the CD player play immediately each and every time. I definitely won’t miss being forced to coach and beg the old one to play, as the initial challenge had completely lost its charm for me.
It was also a rather pleasant surprise to learn how little difference there is in this series between the 9000, 9300, and 9500.
Last weekend my 20 year old 35” Toshiba CRT television gave notice with much drama and with its flat screen replacement I lost my resting place for the BeoCenter 9000.
Now with an entirely new set-up, moving speakers and changing speaker stands the 9000 is now virtually the center of attention and with long overdue tweaking of the bass and treble settings it is like I have a totally new (and different) BeoCenter.
Thanks everyone for all your help in bring this beautiful instrument back to life!
Thats very good news Jeff, and it WAS time to get into digital TV, It is amazing how much help one can get on this forum. Glad to hear you are happy with your 9000.
After moving your speakers around you will see (hear) why it is so difficult to compare speakers and amps to each other, if the speakers are placed different or in different surroundings, they just sound different, so it is impossible to judge one better than the other, in my opinion they sound good all of them, but in different ways, working in my shop I have my "new" P45s connected to my BM 2400, at first I thought they were too detailed in mid and highs, but after listening to them for a couple of days now, i really start liking them.
Right you are vis-à-vis speaker comparison.
While my previous set-up would have appeared to be superior, the point that I raised the S75 speakers has made quite a difference.
And OMG, it is a no-brainer that having my S45’s sitting on the carpet was not the best arrangement, however utilizing the speaker stands that I previously had been using with the S75’s and wow, what an incredible difference. Gave me a whole new perspective on the BM 2400 which I didn’t think was capable of such subtle tone reproduction.
Plus while we are talking differences, I knew there was going to be a huge difference in picture quality going from a 20 year old CRT to an HD flat screen, but what I didn’t expect was the monumental change in audio quality. I mean the source (DVD) is the same and the amplifier (McIntosh) is the same, the only difference is the TV audio processor….. and I haven’t even had the time to play with all the audio choices the TV offers.
As for the picture quality, that is a lot like your new speakers as at times I like it MUCH better, like in close-ups, however complex landscape shots are often more fuzzy than the CRT. Adjustments are required no doubt.