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Old 12th February 2010, 22:52   #11
NikTheGeek
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Can this be turned in to a pdf in the how to's section or download section? For future reference?
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Old 12th February 2010, 22:53   #12
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fantastic work , people like you are a credit to this site . It just shows that things can be brought back to life , i wonder how many fbh have been scrapped when all was needed was some tlc. This is what this site is all about ....... spot on....
all i can say is "what a way to say thank you to this forum".
we have all benefited from advice on here, and i am sure we would all like to repay for the advice given for free. the job you have carried out has been an eye opener for all those with failed fbh. long may the athos of free advice continue.
could this be put in the "how to" section mods. please.
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Old 12th February 2010, 22:55   #13
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Can this be turned in to a pdf in the how to's section or download section? For future reference?
hi nick. you reading my mind?
just beat me to it.
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Old 12th February 2010, 23:13   #14
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Great News I hope, as I am still unsure that this is the problem with my FBH but I am ready to give it a try.
I would like to be one of the first to give FrenchMike a little bit of business if he so desired, as I am as much use with a soildering iron as I am with knitting rubber hosepipes.
Please PM me Mike with your costings and details.
Could this be the start of something that even Webesco doesn't know about. I think we should keep quiet on this or Webesco could be buying him out!
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Old 13th February 2010, 09:44   #15
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Mike,
Well done, its always very satisfying when you get to the point of that eureka moment isn't it.

I have a little clarification for you though. I have a brand new unused 75 FBH with obligitory faulty circuit board. The SMD resistors marked at 4.71K ohms are clear to see as they are identified with numbers and both of them pass the resistance test, however the 47ohm SMD is not marked with numbers, is it ? All I can see is a Brown coloured SMD in which I get a reading of 12.8Kohms which I believe may be the faulty one that needs replacing, photo attached. This is the SMD to the right of the resistor with yellow purple and green bandings? Can you confirm?
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Old 13th February 2010, 09:55   #16
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these faulty "resistors" do we know of a place that can supply them ???

not really in to circuit baords and the like so plenty of info is a must
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Old 13th February 2010, 10:16   #17
Matt1960
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Mike,

What an excellent how to, and this could save members £200-£300.

This meringue substance. What would be the reason for webasto putting this on?
Also, could the sm resistors be replaced with normal ones for those of us that have poor soldering skills?

Matt
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Old 13th February 2010, 10:44   #18
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Quote:
Originally Posted by Lovel View Post
Mike,
Well done, its always very satisfying when you get to the point of that eureka moment isn't it.

I have a little clarification for you though. I have a brand new unused 75 FBH with obligitory faulty circuit board. The SMD resistors marked at 4.71K ohms are clear to see as they are identified with numbers and both of them pass the resistance test, however the 47ohm SMD is not marked with numbers, is it ? All I can see is a Brown coloured SMD in which I get a reading of 12.8Kohms which I believe may be the faulty one that needs replacing, photo attached. This is the SMD to the right of the resistor with yellow purple and green bandings? Can you confirm?
Regards.
Hi,Lovel

The other resistor a replaced is the one marked 4992 (49900 ohms)
I put a 47 K ohms:


I don't think capacitors or others components are concerned.

Mike
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Old 13th February 2010, 10:56   #19
FrenchMike
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Quote:
Originally Posted by Matt1960 View Post
Mike,

What an excellent how to, and this could save members £200-£300.

This meringue substance. What would be the reason for webasto putting this on?
Also, could the sm resistors be replaced with normal ones for those of us that have poor soldering skills?

Matt
Hi Matt,
Another one technology fault caused by long term corrosion !

Of course,one can replace the SMD resistors by normal ones but
not necessarily more easy !

Mike
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Old 13th February 2010, 11:05   #20
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Quote:
Originally Posted by Matt1960 View Post
Mike,

What an excellent how to, and this could save members £200-£300.

This meringue substance. What would be the reason for webasto putting this on?
Also, could the sm resistors be replaced with normal ones for those of us that have poor soldering skills?

Matt
I think the sealant substance is put on by Webasto to hold the upright capacitors firmly in place. The taller capacitors could possibly 'vibrate' with all the vibrations created by road surfaces/ engine resonance etc . Could be wrong though!
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