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A flashing speed indicator indicates that the repeat function has been activated (you pressed Play more than once).
The cartridge rides high as the cantilever suspension losen from the micro cross inside
the cartridge and falls down.
Next step is that the cantilever falls off entirely.
That will happen very soon. Get it re-tipped.Martin
Are you using an original B&O Beogram datalink cable?
If not – that would be a clear reason.
You cannot use a Beocord cable as it is not double-shielded.Martin
Check the switching ICs. Power and shorts (oxidation on pins).
Martin
February 20, 2024 at 10:28 pm in reply to: Beomaster 1900 not programmable through the front panel #30158One or more components being pushed by the frontpanel so something shorts?
Perhaps a component fitted too high?Martin
Yes, I would suspect the IC before any of the small transistors.
Put a scope to the L/R signals from the IC and you will see.Martin
A bad MPX chip wouldn’t be a first.
Martin
Ralph, nothing seems to be missing in that area.
Martin
Yes.
Red drops.Martin
They are tantals. Tiny drop-like components.
Make sure you get their polarity right or they may go bang.Martin
You cannot find new woofers. No modern woofers will match the T/S parameters of the original.
They were custom produced for this speaker – unique to Beovox S80 and S80.2
That’s why we repair and refoam them.What do you mean by “They came lose”?
Martin
In the 70s, the white cabinet versions were typically the cheaper ones.
Today, they are often considered to be the most classic and timeless designs and may be
more sought after, perhaps because their “neutral” appearance has a certain minimalism
to it, and they will blend it better in many room designs than f.e. a wrong wood sort would.
Rare? – Well, certain products seem to be rarer in white than others.
Relatively many white Beomaster 1900/2400 can be found, as can the matching Beogram models, but matching white Beocord 1900s and 2400s are far between.Martin
1C20 and 1C21 points to C20 anc C21 on module 1.
They are capacitors – not ICs.Martin
February 15, 2024 at 4:38 pm in reply to: Beocord 3300 refurb – very low sound in left output #29852Sure the problem is in the Beocord? Have you tried with a different amp or a scope?
Martin
Replace also tantals 1C20 & 1C21 (1uF & 4,7uF).
Martin
Replace tantal 1C19 4,7uF and let us know.
Martin
Type number?
Martin
Reflow the rivet vias. They are found on both the servo and decoder PCBs.
Martin
How much, and what, was restored/rebuilt?
Capacitors?Martin
The short answer is no.
Beocenter 2100 is a very nice system in its own right (and highly collectable as they are getting rare), but it’s not that advanced.Martin
It’s the transformer.
Take it out, mask things off, soak it in lacquer under vacuum. Then let it dry in 50degC for 24h.
Fit it back with new rubber mounts.Martin
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