Re: Troubleshooting B&W Original Powersupply
Hello,
Many thanks for your feedbacks, I changed those 4 caps and my speaker is back to live. I appreciate it, A few comments for the next person:
1. I have damaged the seat for PSU, basically I tried to screw it back gently but somehow all the seats damaged. The plastic became brittle. I eventually managed to fix 3 of the screws so PSU doesn't move.
2. Please look at the disassembly a few times before you start opening, I damaged the locks for the front cover. now the cover is not 100% fixed in its place....
OmidN
New Member
Last Activity: 02-13-2021, 04:54 AM
Joined: 01-21-2021
Location: Paris
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Last edited by OmidN; 02-05-2021, 04:45 PM. -
Re: Troubleshooting B&W Original Powersupply
Many Thanks, I will keep you updated, I am ordering them through [url]https://fr.rs-online.com/web/ca/recapitulatifpanier/[/url]
Just for the record in case if anyone else need that in futureRe: Troubleshooting B&W Original Pow...that in futureRe: Troubleshooting B&W Original Powersupply
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Re: Troubleshooting B&W Original Powersupply
Any advice please?Leave a comment:
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Re: Troubleshooting B&W Original Powersupply
Hello Stj,
I have check the diodes D201, all 4 seems to be good, on the good direction they are reading around 470 and opposite OL.
on the other hand I touched the surface of the capacitor in the photo, it seems bulged, I also see the one behind is a bit bulged, as far as I understood from this forum I have to order 4 capacitors below:
Rubycon ZLH 2200 uF 16 VDC
Rubycon XYG 470 uF 16 VDC
Rubycon ZLH 220 uF 35 VDC
Rubycon ZL 1000 uF 35 VDC
could you please advise?...Leave a comment:
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Re: Troubleshooting B&W Original Powersupply
Yes you are right, I thought if I can find the problem I will go around and ask someone in the electronic repair shop, but anyway I am going to buy the meter and soldering kit to be independent!
ThanksLeave a comment:
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Re: Troubleshooting B&W Original Powersupply
Thanks for your help and prompt reply.
I should find a place to test them since I don't have the meter.
When i looked closer it doesn't seem to me that they are burnt, maybe it was the photo.
PFA a better photo
Thanks...Leave a comment:
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Re: Troubleshooting B&W Original Powersupply
Hi Stj,
Many thanks for your quick reply, so do you think i would change them first and give it a try?
could you please let me know the model and the details of the 4 diodes to purchase?
Sorry I don't have electronic background , I am just trying to avoid throwing electronics
Thanks againLeave a comment:
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Re: Troubleshooting B&W Original Powersupply
Hello,
I came across this forum and it seems it the only good help on the net. I had the same issues and I decided to follow the instruction to open my speaker, but when I reached PSU it doesn't look evident to me. Maybe the yellow one?
I appreciated it if someone could help.
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