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A Beolab Terminal that I bought for $50 had lost a battle with a glass of some sort of sticky cocktail. Half the buttons were non-responsive, so I took it apart and bathed the components in Iso. Luckily all the traces were undamaged and tested fine.
Everything looked and worked great after re-assembly.
I still need to re-tape the button pad. The original is very much a one-time-use material. Does anyone have a “favorite tape-medium” they use for this purpose? I was just thinking clear or perhaps thin black packing tape would work fine, and provide a bit of protection.More “remote” work – today it’s a Master Control Panel 7700, which may have been living in a moldy attic for a few decades. Seems to mostly function, with a few non-working buttons. I thought I’d try my hand at ribbon replacement, given the crusty and brittle original ribbon cables. I did the easy one first, just to see how it would go.
On to the more complex cable controlling the LCDs … big mistake. One dead LCD later, I concluded that there’s no obvious way that I can see to replace the connection to the LCD screens except to splice into the existing ribbon cable. The LCDs seem to be connected to the ribbon cable using some sort of random membrane that I cant make sense of. Oh well – thankfully this was just a poor-condition unit I acquired to verify the MCL output, which still works.
Hello everyone, this is my first post on Beoworld.
I would like to share a small project I have been working on: a built-in RIAA phono preamp for the Beomaster 6500/7000, using the original circuit. I have just installed it, and after a quick initial check, it seems to be working properly so far.
Hi Everyone
first post here looking for a bit of help if possible I’ve recently purchased this beocenter 3300 as a non functioning machine I’ve stripped it down and replaced the spring on the power switch and now have it powering up and the record deck working with a bit of messing about, was just wondering if there’s anywhere to find spares for these or if anyone knows of a complete non working system I can make a good one out of the two from if that makes sense
Hi Shaun and welcome to Beoworld!
Great work so far on the Beocenter 3300. A number of spares are available over at one of our site sponsors here: https://www.dksoundparts.com/product-category/beocenter/beocenter-3300/
I am not an expert on the older systems, but there may be a number of other models that share parts. For example, apparantly the same amplifier sections are found in Beomaster 2200 and Beocenter 4000 (I discovered this from this very old thread, so have a search about on the forum: https://archivedforum.beoworld.org/forums/t/5810.aspx)
Location: Warwickshire, UK
My B&O Icons:
Ad Spotify to BeoControl
A .NET 10 control system for Bang & Olufsen audio equipment via the Masterlink bus. BeoControl bridges legacy B&O hardware with modern software, supporting both USB PC2 controllers and ESP32-based Beo4 remote emulators over Serial/USB or Bluetooth LE.
wolfgangschneider/BeoControl: Unified B&O controller (ESP32 serial · ESP32 BLE · PC2 Masterlink)
Hi Didier,
The recovering of the speaker looks great.
I’ve recently refurbished the ABR panel in both my RL60s and my next job is to recover them. I wondered if you completely removed the old fabric first? I’m guessing that unless the original is removed first the forming of the B&O raised logo would not be possible?
How did you approach this job please and how did you form the raised logo?
I’ve got the fabric and replacement RL straps already.
Thanks in advance.
Location: Leicestershire
Favourite Product: 5000 system
My B&O Icons:
An ESP32 firmware that lets a Bang & Olufsen Beolab 3500 (MkI & MKII) satellite speaker activate a source without its real Master unit present. Unlike the Menu-0-0-4 trick, this stays permanent even after a power loss — and on MK I it also gives more possibilities, like selecting different sources.
Next steps
- Use the M5Stack Stamp as the microcontroller
- Soldering it on a PCB
Optional Include a Bluetooth audio module
Integrating my BL 3500 into HomeKit via HomeBridge. The controller calls macros from BLGW that activates Radio (BeoRadio from Essence MK2) Music (Deezer from Essence MK2) CD (from BS9000) and TV (audio from Cable source BeoPlay V1). Leverages BLC to integrate ML/NL sources.
My B&O Icons:
Pulled these white pieces off of a nonfunctional Beosystem 5500 in prep for packing them in my suitcase for the trip home to USA. On the whole, they are not in the prettiest condition, but I’m confident I can make them look decent. Im planning on retrofitting a silver 5500 system for personal use. I’ll still need to paint the Beocord tray white, but apart from that, the color change should hopefully be fairly straightforward.
Yeah, yeah, I know – the stickers on the back will reveal my slight-of-hand. That being said, I’ve never come across a white 120v 5500 for sale stateside, so this was the next best thing I could think of.
I have had Philip Voigt‘s fantastic MDTv2 for some weeks now (no, not related to him, just a happy customer). I have since started to add a some functionality to the software driving the box. Most importantly:
- added sendspin (e.g. Music Assistant) and MPD as audio providers
- added the option to use several providers per B&O source — e.g. Sendspin and AirPlay sharing N.MUSIC, whoever starts last plays
- added music recognition for the turntable: identifies what’s on the record via Shazam (shazamio) from the audio alone and shows title, artist, album and cover – yeah, I know, one could get up from the couch and look at the record cover. This way it‘s more fun, though 🙂
- created Home Assistant integration: the Pi reports what each source plays (including AirPlay straight from an iPhone, with cover art, and the recognized record), plus HA automations and one dashboard card for it all (relies partially on the Masterlink Gateway integration – see below)
- built a small web UI: configure sources, providers, turntable, Home Assistant and LIGHT keys in a browser — validated by the bridge, comments in the config kept
- implemented MasterLink Gateway emulation: the Pi can replace a B&O MLGW for Home Assistant’s mlgw integration — devices, Beo4 commands, ML events. I reverse engineered the functionality from the Masterlink Gateway integration for Homeassistant – so pretty sure it only implements a fraction of MLGW. But enough for homeassistant‘s Masterlink Gateway integration to recognise it as an MLGW.
All of this definitely not for the faint at heart. People familiar with Linux and Homeassistant should be able to get it working, though.
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