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Just a quick post to bump this subject up because I have used my moderator powers to split it out from madskp’s BL3500 thread (to avoid thread drift) ?
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Firstly, to avoid thread drift, I have moved Peter’s questions about his non-responsive BL3500 to a new thread here: https://forum.beoworld.org/forums/topic/bl3500-not-responding/
(I have PM’d Peter to explain)
Secondly I must apologize because I have not had time this week to experiment further with my BL3500 – hopefully next week!
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My BC9500 is packed away at the moment so I can’t check the number of turns.
I just managed to access my BC9500 and open the box. There are three turns in each of the four locations – here’s a photo of the top of the CD door drive shaft:
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With regard to the doors, did you fit new door motor drive belts yet? This is definitely worth doing so that the whole mechanism can operate as designed. Otherwise you may find that the third cord turn is compensating for (or causing) motor drive slippage.
The power down problem sounds like a loose connection in one of those many cables that has to bend through an extra 90 degrees when you put the system in the service position!
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But here is a thought, assume that I could use a Y-cable to have both the Datalink and the incoming audio from the DAC-unit?
That should work – I used such a cable when I had both a Playmaker and BL1611 converter connected to the aux of my BC9500. The AUX socket is designed to be an input and output at the same time (so you can listen to the DAC over the rest of your system), and there will be no datalink conflict. This ‘use case’ gets a specific mention on Steve’s page here (see the ‘did you know’ paragraph at the foot of the link): https://soundsheavenly.com/bang-olufsen/11-312-7-pin-aux-splitter-dual-aux-tape-input-sockets.html#/20-length-02m
But as Steve notes, you may have to power down the DAC when not in use to avoid interference.
Also, I am not sure if it is any use to you here but with the BM6500 in A.OPT 2 then it should open the AUX input when you select a video source such as TV, DVD. This could be useful if you are running out of audio sources on your system. As I have said before, I have never used a NL/ML system so am not sure whether this would create problems elsewhere.
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The BC9300 does not have an internal RIAA pre-amp, hence you need to get a Beogram with RIAA such as the Beogram 3500, 4500, 6500 and 7000, which all have RIAAs fitted as standard. The Beogram 9500 will not work unless you add a separate external RIAA pre-amp, which then complicates the ability to remote control the deck because the datalink will need to be connected separately.
See this link: https://www.beoworld.org/faq_view.asp?id=18
And the following thread suggests the BG4500 for the best visual match:
https://archivedforum2.beoworld.org/forums/p/35701/265112.aspx#265112
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from which serial number the Beolab 8002 series begins, which was produced from 2010 to 2014.
It is not totally clear, but have a look at this old thread: https://archivedforum2.beoworld.org/forums/p/18791/162744.aspx#162744
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I can’t help with much of the above because I only use my Beoport with a PC.
However, I do know that the BC2500 is not N.MUSIC compatible. Yes A.TAPE 2 (or SHIFT A.TAPE) is the same IR command as N.MUSIC (and PHONO is N.RADIO), but as far as I am aware this will not allow the BC2500 to control an N.MUSIC/N.RADIO device such as Beoport. Compatibility started with the BS3000, see here: https://beoworld.org/faq_view.asp?id=20
Also be aware that early SW versions of BL2000 do not support the PC or AUX command. I think this needs SW1.5 (SW 1.1 does not work).
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If you send Keith a PM he will be able to upgrade your status to Gold.
My BC9500 is packed away at the moment so I can’t check the number of turns. However, next time I visit my mother-in-law I need to change the door drive belts for her BC9500 so I will have a look at a working example there.
Good luck with the rest of the restoration – while it is open I would probably replace the mute relay and also the battery as it’s only a matter of time before these fail. Personally I wouldn’t touch the CD player capacitors unless it stops working.
Keep posting updates – it’ll be well worth it when finished ?
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Ah that was an easy fix! Thanks for letting us know – one day someone else will make the same mistake and this thread will help them fix the problem!
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Very clear video. Quick question that I should have asked earlier – do you have the Service Manual? It is available to Silver/Gold members of the site.
The manual (page 7-5) does show the string routing – as far as I can see the only difference is that the manual shows three loops around the revolving drive rod (not two as you have done). Of course, any slack may be taken up by the spring arrangement for the pulley at the other end. The service manual is not very clear on how the string attaches to the slider, but you seems to have found the solution to that.
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Have a look at this post: https://forum.beoworld.org/forums/topic/beoport-n-radio-stopped-working/#post-12415
Hopefully you will get a similar reply from B&O.
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Or maybe your DVD1 with the custom cable?
Another thought for tests if you feel like it. The Oneremote can be setup to AAL. Could it communicate directly with the BL3500? And maybe the same with the DVD1.
Good ideas – I will try all of them but not for a few days …
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Welcome to Beoworld!
A strange fault! Are there any strange indications with the lower display panel? Do you leave the unit connected to mains power when not in use?
There could potentially be problems with the control processor caused by a flat backup battery on the processor board. This can be compounded if the unit is removed from mains power when not in use. The battery is replaceable if you are happy with disassembly and soldering; there is advice on the forum if required.
Alternatively it could simply be loose or broken connections between boards/motors/sensors.
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Compared to the BM5500 the data signals on the MCL and AUX is connected to different pins on the Microcomputer in the MCL2AV, and might therefore have differences that makes them incompatible, so this might only work for certain Beomasters/Beocenters where the signals are internally connected.
That’s a logical explanation – I can’t think of any other reason for this anomaly. I would test this with mine but I don’t have a controllable input device other than the OneRemote radio which may behave differently. I don’t have a chance to test until next week, but will see what I can do.
EDIT: And great work fixing the MCL2AV!! ?
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Just a thought, is there any point emailing B&O either here in France, GB or Denmark to pose the question on how to activate/reactivate the DVI socket with their Tech Service depts
It’s worth a try, but I doubt that they have the detailed knowledge of the older stuff. It could be worth contacting one of the ‘re-seller’ companies that dealt in used B&O and asking their advice. I think many were purchased from hotels prior to being sold to the public. My BV6-26 (and 6-23) were bought from Timeless AV, but I am not sure if they are still trading.
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Great news – I am glad you got it all working, and thanks for letting us know! ?
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Also, if you do manage to get back into the Service Manual, can you tell us the ‘Type No’ that is on the Monitor Information page?
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I don’t think PC should be present on the TV’s ‘connections’ menu; it is usually just accessed by pressing PC. Once PC is selected as the source, the only other menu available is the Brilliance, Contrast, Colour one that you saw before.
Can you still get to the Service Menu? (Using MENU 0 0 GO) – only avail when in normal TV mode, not PC.
If so, go to ‘Monitor’ then ‘Picture Adjustments’ then ‘Scaler Test Menu’. The bottom line of the Scaler Test Menu should state ‘DVI DETECTED’ with a Yes or No.
To be honest the Service Menu may be different for various TV software levels, so I would have a good look through every menu for any mention of DVI.
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Sometimes it can take a little time for the handsets to update with the phonebook and/or handset name.
Also you could go to the original handset ‘settings’ menu, scroll to ‘handset’ menu, press centre then scroll to ‘handset type’ and make sure it is set to ‘common’ and not ‘personal’. This should force it to store the phonebook on the base rather than the handset.
EDIT: Be careful if you change from Personal to Common because this will delete the Phonebook. If it already set to ‘Common’ just wait for it to update!
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