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

 

Beomaster 7000 Easy fix?

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DMacri
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DMacri Posted: Thu, Dec 20 2018 10:38 AM
I just bought a very nice looking BM7000, but when plugged in shows all the display inputs lit up rather than standby as expected.

Is this an easy fix, or an indication of a much more significant problem?

Dom

2x BeoSystem 3, BeoSystem 5000, BeoSystem 6500, 2x BeoMaster 7000, 2 pair of BeoLab Penta mk2, AV 7000, Beolab 4000, BeoSound 4000, Playmaker, BeoLab 2500, S-45, S-45.2, RL-140, CX-50, C-75, 3x CX-100, 3x MCL2 link rooms, 3x Beolab 2000, M3, P2, Earset, A8 earphones, A3, 2x 4001 relay, H3, H3 ANC, H6, 2014 Audi S5 with B&O sound, and ambio 

Dillen
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Dillen replied on Thu, Dec 20 2018 11:08 AM

Probably a dead processor and/or/because of power supply failure.
Overvoltage from lightning strike or wrong mains voltage setting perhaps.

Easy? - Depends on how much has burned.
LIghtning strike cases usually means write-off for these models.
- But it could also be as simple as too much ripple on the CPU voltage.

It will have to be diagnosed to know why and how much.
I would start at the low-voltage regulators.

If you bought it as working, I suggest you return it.

Martin

DMacri
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DMacri replied on Thu, Dec 20 2018 1:13 PM
Thanks Martin, I did buy it from eBay in working condition. I will sadly have to send it back.

Dom

2x BeoSystem 3, BeoSystem 5000, BeoSystem 6500, 2x BeoMaster 7000, 2 pair of BeoLab Penta mk2, AV 7000, Beolab 4000, BeoSound 4000, Playmaker, BeoLab 2500, S-45, S-45.2, RL-140, CX-50, C-75, 3x CX-100, 3x MCL2 link rooms, 3x Beolab 2000, M3, P2, Earset, A8 earphones, A3, 2x 4001 relay, H3, H3 ANC, H6, 2014 Audi S5 with B&O sound, and ambio 

chartz
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chartz replied on Thu, Dec 20 2018 1:21 PM
I had that on a 5500 (after years of faultless service) and I found yet another bad cap on the processor board that I had forgotten under the lid. Worth a try methinks!

That said, you could get a partial or total refund if the said working unit was DOA, and get to keep the Beomaster.

Jacques

Dillen
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Dillen replied on Thu, Dec 20 2018 4:38 PM

Don't attempt repairs yourself, if you are planning to return it if it fails.

Martin

DMacri
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DMacri replied on Thu, Dec 20 2018 6:39 PM
Martin, I’m contacting the seller to work on a return. I’m not going to mess with it. Shame too, it’s in great cosmetic condition.

Dom

2x BeoSystem 3, BeoSystem 5000, BeoSystem 6500, 2x BeoMaster 7000, 2 pair of BeoLab Penta mk2, AV 7000, Beolab 4000, BeoSound 4000, Playmaker, BeoLab 2500, S-45, S-45.2, RL-140, CX-50, C-75, 3x CX-100, 3x MCL2 link rooms, 3x Beolab 2000, M3, P2, Earset, A8 earphones, A3, 2x 4001 relay, H3, H3 ANC, H6, 2014 Audi S5 with B&O sound, and ambio 

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