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Crown 5002/5000vz replacement capacitors

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bzhm View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bzhm Quote  Post ReplyReply Direct Link To This Post Topic: Crown 5002/5000vz replacement capacitors
    Posted: 24 January 2020 at 7:26am
Hi All,

We are trying to repair our good old 5002VZ amp.
The power supply capacitors need to be replaced.
However, it seems that crown used custom parts here.
Here are the specs according to what is written on it:

BC D7882-0

15000uF -10% +50%

110VDC 135 SURGE

+85C MAX AMBIENT

658-0519-301



Does anybody know where we can find replacement capacitors ?


Thanks,


Rgds

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Post Options Post Options   Thanks (1) Thanks(1)   Quote service dept Steve Quote  Post ReplyReply Direct Link To This Post Posted: 24 January 2020 at 12:35pm
Out of interest what makes you think the capacitors need replacing? I've never needed to replace any on an Amcron or Crown.
The main problem, as I'm sure you have already discovered is that 110V capacitors of this size are hard to come by as they are a very expensive item to keep in stock, You should be expecting to pay between 100 and 150 pounds for a pair, more at reputable dealers, expect fakes from other sources. Might be worth double checking you need them...
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Post Options Post Options   Thanks (0) Thanks(0)   Quote RobinMatrix Quote  Post ReplyReply Direct Link To This Post Posted: 24 January 2020 at 1:45pm
Wot he said ... I've seen many of these pass through the workshop for repair, I can't remember any of them ever needing a primary smoothing cap changed. Would be interesting to know why you think they are need replacement.  I wouldn't rely on any capacitance measuring meter on caps this large, it will probably just show an error.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Earplug Quote  Post ReplyReply Direct Link To This Post Posted: 24 January 2020 at 2:58pm
I have some that might do - if you really need them. You need one more post to send/receive Private Messages. Do that and I can send you photos/info, etc.  Smile


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Post Options Post Options   Thanks (0) Thanks(0)   Quote Tonskulus Quote  Post ReplyReply Direct Link To This Post Posted: 06 February 2020 at 12:33pm
If they are good quality, as used to be back then, they might be just fine and no need for replacements. 

My 1970's crown DC300A has original caps and still going strong as well as my many other old amps. 
Some small electrolytics, small signal transistors and zeners needed to be changed tho.




Edited by Tonskulus - 06 February 2020 at 12:33pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote snowphish Quote  Post ReplyReply Direct Link To This Post Posted: 24 February 2020 at 2:55pm
I just bought one off E-bay, coming from China... Let's hope the packages from china keep coming with this coronavirus going around

http://www.ebay.ca/itm/1pc-Philips-Customized-110v-15000uf-135V-HIFI-Electrolytic-capacitor-G2347-XH/172404355098 - https://www.ebay.ca/itm/1pc-Philips-Customized-110v-15000uf-135V-HIFI-Electrolytic-capacitor-G2347-XH/172404355098


Edited by snowphish - 24 February 2020 at 3:00pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote midas Quote  Post ReplyReply Direct Link To This Post Posted: 24 February 2020 at 3:34pm
More to the point, let's hope they are not repackaging crappy ones in a nice tin, like a lot do with batteries.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote snowphish Quote  Post ReplyReply Direct Link To This Post Posted: 24 February 2020 at 3:58pm
That would surely suck.... 

They're marked as USED and From the picture it looks like they've been pulled from an amp... 

I'm hopeful. 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote snowphish Quote  Post ReplyReply Direct Link To This Post Posted: 27 February 2020 at 1:21pm
Well that seller is garbage, he doesn't have them. 

I contacted our local crown rep to see if they can still get them but I somehow doubt they do.

Otherwise I'll need to find something that fits in there :( 

Mistakes were made during, the cap received reverse voltage and then released it's pressure in a nice cloud of electrolyte Confused
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Post Options Post Options   Thanks (1) Thanks(1)   Quote Earplug Quote  Post ReplyReply Direct Link To This Post Posted: 27 February 2020 at 1:24pm
I have these:




And:





Any good for you??








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Post Options Post Options   Thanks (1) Thanks(1)   Quote APW Quote  Post ReplyReply Direct Link To This Post Posted: 27 February 2020 at 2:33pm

If they will fit, Mouser sell 160volt 15000uF +/- 20%  (Nippon United Chemi-com branded) caps for £22.78+vat each, the caps are designed for use in high ripple current situations (think Inverters), they have an ESR of 14.9mOhms @ 120hz and a ripple current of 15.5Amps. They measure 63mm x 105mm

Mouser part number:  661-E36D161LPN153MDA

Mfr. No. E36D161LPN153MDA5M

Data sheet: https://www.mouser.co.uk/datasheet/2/420/1687836876505b6669848e0-1100623.pdf



Edited by APW - 27 February 2020 at 2:34pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote snowphish Quote  Post ReplyReply Direct Link To This Post Posted: 27 February 2020 at 5:00pm
I'm not so sure 63mm dia will fit.

From the e-bay posting I believe the originals are 45mm (dia.) x 105mm tall .. but I will measure them when I get home today

I found these on digikey but they are pretty pricy and 50mm but that might fit anyway although at 100v they are under the rating... 


I imagine it's best to switch both of them - or even better replace all 4 so they're the same on both channels... 

I think 63mm might fit if it's not attached to the assembly and I solder some cabling to the board... Might have an impact on air flow though. Either way I need to find a solution 


Edited by snowphish - 27 February 2020 at 5:57pm
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