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Kenwood B-B5/B7 Power Amplifier/Graphic Equalizer

Dear ChrisK
I was just wondering if you had ever had any luck in finding a solution the problem you were having with your Kenwood B-B5 amp? Is very frustrating not even to be able to get any where with Kenwood.

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  • elixermixer Jul 29, 2008

    I'm very sorry it took me so long to get back to you, but no I haven't had any luck. I have all but given up hope, it seems every time I think I've found something, it is discontinued or currently unavailable or multiple other excuses. I have gone as far as locating a Service and parts manual but it is little more than a couple of diagrams and a parts list and since I am not a pro, I don't think that will help me much. I have been unable to locate a replacement component any where on the web, as it seems this unit was manufactured only briefly. Nothing seems to be going in my favor as of yet. Any Suggestions? I can be contacted via email:
    I assure you my response will be much more timely. Thanks!

  • elixermixer Jan 17, 2009

    I am willing to try anything at this point. Do you remember where you were able to get the capacitor? Or is it a part that can be found fairly easily? The " C110 (47FFU 25v) ", I assume is the part number for the capacitor, is that Kenwoods part number or other manufacturer? And finally I assume the replacement procedure will include soldiering, is it a relatively simple project or should I seek assistance?

  • elixermixer Jan 19, 2009

    I appreciate the feedback, and will certainly try that. Just have 2 or 3 real quick and easy questions. 1: Maplins? 2: 11p? and finally 3: "and Bob's your Uncle" ? Ok, the third one is kind of a joke, but the first two are genuine questions. What is Maplins? And how much is 11p? If you don't mind.

  • elixermixer Jan 21, 2009

    Thanks iansk, I just placed an order for the capacitors, they should be here in the US in a week or so. That Maplins is a pretty cool site, I book marked it for future use. Sure hope this works, thanks for the suggestion. Take care and Bob's your uncle! : )


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Change the Capacitor C110 (47FU 25v) I found this solution on another post somewhere and it has worked on mine too.

Posted on Jan 16, 2009

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  • iansk Jan 19, 2009

    I am a complete amature when it comes to electronics, one of those that takes things apart and they never work again, but this was quite straight forward.

    Take the amp apart enough to get to the circuit board and if you look close, the board is marked with codes. Find the C110 and thats your kiddy.The capacitor is (47FU 25v) I just unsoldered it and took it into Maplins. They gave me a new one for 11p soldered it back in and bobs your uncle. Funny it wouldn't switch on straight away but i just pressed a few buttons and then it decided to and has been fine since.

    Good luck

  • iansk Jan 20, 2009

    No Probs

    1. You can order online or if your near a city there is a store locator on the right side of the home page. The part number off my till receipt is VH32 but it looks like on the website there is a K on the end as in VH32K.

    2. 11p is £0.11pence

    3. Bobs you uncle , Fanny's your Aunt!

    Good luck

  • dmenkhaus Oct 10, 2010

    I love the internet. You guys are all awesome! I replaced cap C110 with a 35V 47MicroFared one from Radio Shack (US) part number 272-1027 cost $1.49.

    about an hour to replace. Fixed the problem. THANKS!!!

  • magis_n Mar 30, 2011

    I had the same problem and I solved it by changing the C110 capacitor (47uF/25).

  •  Pedro Lobo
    Pedro Lobo Jul 16, 2013

    Thank you so much Sir Problem Solved!! BAD CAP!


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Same problem solved (Changed the Capacitor C110, 47UF 25V )
from Kenwood B-B5 amplifier/power unit.
The fault capacitor is totaly dryed with less capacity.
Cut the capacitor in twice and used the original wires for soldering the new one on the component site of the board (saved a lot of time). Thnxs

Posted on Nov 19, 2009

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Same As above but you did forget to tell us were the c110 was but i found it at the front on right hand side also if you cannot find the 25v one dont worry just stick a higher voltage as i do this for a living and i installed a 47uf 50v an a presto all a ok once again boy i do love the internet

Posted on May 13, 2010

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Same problem solved (Changed the Capacitor C110, 47UF 25V )
worked a treat

Posted on Jan 23, 2010

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