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ARCHIVED FORUM -- March 2012 to February 2022
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This is the second Archived Forum which was active between 1st March 2012 and 23rd February 2022

 

Beomaster 1900-2 repair

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This post has 9 Replies | 1 Follower

sirtet
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sirtet Posted: Thu, Oct 19 2017 1:35 PM

After reading some posts I made a pm to dillen. Right after i realized there was no activity of his after 2012, so I guess I better ask publicly here...

I try to fix a friend 's device. What I pm'd to dillen:

 

Hi. I saw an old post about you selling kits of bulbs for beomaster 1900-2

I am interested. 

Do you still sell them?

The volume is fading to zero after turning on. I suspect the bulbs, after reading some in the forum. 

Also, the system has a hum in the audio. I suspect bad caps in the power supply?

Idid not open the device yet, how can I get a service manual? 

BenSA
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BenSA replied on Thu, Oct 19 2017 2:35 PM

Dillen (Martin) is still active on the forum, I am sure he will contact you. He's a very busy person :)

Dillen
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Dillen replied on Thu, Oct 19 2017 3:02 PM

I'm right here.
You have been visiting the archived forum, it sounds.

Several kits are available for Beomaster 1900 / 2400. Email/PM me (in this forum).
Is the volume indicator lamps correct and both working?

Martin 

sirtet
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sirtet replied on Thu, Oct 19 2017 5:32 PM

Thanks.

Right, I was in the archive..

So, I am currently not near the device anymore.

If I recall correctly, there were no lights on the volume side.

At first there was only the hum issue. Following an advice somewhere online, I switched the voltage from 240 to 220 (advice was the other way round)...  I am Super embarrassed to say I did that under power... Meaning I went to 130V first, blowing the 1.6A main  fuses.

My professional time in electronics seems way too long ago to practice on my friends devices... 

After replacing, I was fiddling some with the controls, when suddenly the volume - downturning started... (or was it there after the fuse replacing? I doubt, but won't swear on my reliability after what I just did)

Maybe the lights were there before ( doubt it), and i broke a bulb shaking the device? 

sirtet
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sirtet replied on Thu, Oct 19 2017 5:32 PM

About the lights being correct,  i can't tell as i have no manual and am not familiar with b&o. How should they behave?

Dillen
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Dillen replied on Thu, Oct 19 2017 6:09 PM

The two volume indicator lights should balance up and down in light output with equal light at apprx normal "livingroom" level.
Higher volume level and the right lamp is brighter and vice versa.

The electronic volume circuit depends greatly on correct and working lamps so that'll be the first thing to check/replace. 

Martin 

sirtet
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sirtet replied on Sun, Oct 29 2017 6:37 PM

Dillen, I got your first mail, but never heard anything after the answers i sent. Are you away, or are my mails ending up in some spam filter? 

Dillen
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Dillen replied on Sun, Oct 29 2017 8:02 PM

Please send again.

Martin

sirtet
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sirtet replied on Sun, Oct 29 2017 8:58 PM

Just did so, from 2 different accounts...

Dillen
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Dillen replied on Sun, Oct 29 2017 9:42 PM

I sent you a new email.

Martin

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