Beosystem 2500 - laserfejl m.m.

17 replies

Yes, I know. It is designet for SMPS, and I have only them in stock so I use them for everything. Can't get better quality, no reason to have other types. If you experience problems with them, then you have a poorly designed circuit. And for audio: the real audio grade capacitors are the same as the Panasonic F-types, a high quality, low-esr capacitor made with same build method. It is just a high quality cap, then they brand it as audio cap. No difference in general. For filters, its another matter. An for sundquality: yes, the quality of a capacitor has a very big impact! just try it it.

If you really mean that replacing the capacitor to a Philips would solve the problem - then I would like to buy a couple of them from you. I just don't understand why it was equipped with a SAMHWA capacitor from the beginning if the Philips was the only correct one. (no it has not been replaced, it was original).

Peter

Jeg har lige fundet ud af at den spiller fint hvis den ligger ned, dvs. hvis hele anlægget ligger på ryggen eller blot er vippet 45grader baglæns. Men står det op lodret - ja jå "raller". Sært. Der må være en mekanisk ustabilitet i det tænker jeg.

C100 er prøvet skiftet, men det ændrede intet.

Peter

Peter Andersen wrote:

Yes, I know. It is designet for SMPS, and I have only them in stock so I use them for everything. Can't get better quality, no reason to have other types. If you experience problems with them, then you have a poorly designed circuit.

Not as a general rule.
Some circuits were simply not built for low-ESR capacitors. It has nothing to do with poor design. B&Os DC-coupled amplifiers are excellent designs.

Peter Andersen wrote:

And for audio: the real audio grade capacitors are the same as the Panasonic F-types, a high quality, low-esr capacitor made with same build method. It is just a high quality cap, then they brand it as audio cap. No difference in general. For filters, its another matter. An for sundquality: yes, the quality of a capacitor has a very big impact! just try it it.

In the case of C2103, sound quality and audio grade is irrelevant. Fitting a low-ESR capacitor for C2103 won't improve anything, the
CD player won't seek faster or play the slightest bit better. (Regardless of the fact, that nothing but a Philips/BC can be guaranteed to work in this postition).
Did you read the discussion threads that was linked to above?

 

Peter Andersen wrote:

If you really mean that replacing the capacitor to a Philips would solve the problem - then I would like to buy a couple of them from you. I just don't understand why it was equipped with a SAMHWA capacitor from the beginning if the Philips was the only correct one. (no it has not been replaced, it was original).

Peter

A Samwha capacitor was never original as C2103. They are all Philips.
Are you sure, you are looking at C2103?
What type of drive and servo board is yours?
Any chance of a photo or two?

Martin

Taler vi om C100 eller C2103 - nu er jeg nemlig forvirret fordi der bliver talt om C100 og C2103 fra flere forskellige sider.

C100 som er DC stabiliseringen til laseren, den er en Samwhakondensator på 47uF - og den ER original. Garanteret 100%, der har ikke været pillet i det her anlæg overhoved og det er den originale bølgelodning der stadig er over det hele.

Peter

What type of drive and servo board is yours?
Any chance of a photo or two?

Martin

Peter Andersen wrote:

Jeg har lige fundet ud af at den spiller fint hvis den ligger ned, dvs. hvis hele anlægget ligger på ryggen eller blot er vippet 45grader baglæns. Men står det op lodret - ja jå "raller". Sært. Der må være en mekanisk ustabilitet i det tænker jeg.

C100 er prøvet skiftet, men det ændrede intet.

Peter

Jeg tror du oplever det samme jeg gjorde med en CD4500 jeg har haft. Den kunne ikke spille når den stod på bordet, men fint hvis den var i "hænge position." De kurvede lasere's ophæng er meget fleksibelt, og jeg tænker at de faktisk godt kan komme til at "hænge i det pga tyngdekraft", dvs de kommer til at vænne sig til den position de har været i i mange år, og så er de ikke glade for at skifte.

Det underlige her er jo så at en 2500 kun har 1 ægte position, men det skal jo ikke kunne afvises at ophæng kan blive træt alligevel.

 

/Jacob

Martin: Min tanke var at høre om du vil lave den, så vil jeg komme forbi når du har tid. Jeg har pakket den sammen af samme grund nu. Så kan du selv studere boardet revisionen og kondensatoren, men original det er den.

Peter

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