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Discussion Starter #1
Greetings all,

I''m hoping someone can help me. I have a 79 41''OI with, what might
be, the original depth sounder installed. It''s a Combi Offshore made
by International Marine Instruments. The system has been operating great
until last week with the display went out. In trouble shooting the problem
I found a 100K pot was defective and needs to be replaced.

So what I''m hoping is someone out there might know what happened to
International Marine Instruments, Inc. I''m looking for any information on
the company or anyone that might be able to help me located parts for the
unit. Your help would be greatly appreciated.

Regards,
-Gary
- S/V Mariah 41''
 

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Rather than spend a lot of time trying to locate the origional manfacutrer, it may pay to go to the Radio Shack industrial catalog or other electronic supplier for a reasionable substitute pare. A 100K pot should be a common item.
 

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Discussion Starter #3
Thanks Charlie....I have thought of that, but would also like to get schematics in case of future problems. Was hoping someone might have information on the company.
 

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- question -

just bought a 1979 Islander 30 - and notices this 'electrical' box - looks like a old EQ from a radio.

The 4-5 turn dials ( knobs ) are labeled - night lighting, digital lighting.

What exactly is this, and what does it do?
it is labels as IMI - COMBI.
 

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Post a photo of it
 

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Sound like a multi zone light dimmer but a picture might help. The other option is to turn the lights that are labeled on and see what it does.:)
 

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I just posted a photo in the member gallery.
apparently it is going to my instrument panel above the wheel ( I do not have any instruments in that panel ).

let me know what you think.
 

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Well here is another story...

Remember the IMBI Combi system I told you guys about?
Remember the wiring associated with the 'missing' parts that I was contemplating cutting and throwing away ( because the company went out of business in the early 80's ? ).

and remember the 'gaping hole' in the enclosure above the wheel ?


PREPARE YOURSELF.........

I went to a 'yard sale' for boats.. some random boating stuff put on by the marina and came upon this 'thing' that looked like it would fit the enclosure, that had the words IMBI on it.... Depth finder and speed gauge..

$ 10.00


Went to the boat, plugged in the serial cord, and placed it into the perfectly shaped enclosure... flipped the nav breaker.. and waaalaaa - IT WORKS.

What are the chances I would find this ?????? Please see member galleries....

http://www.sailnet.com/photogallery/showphoto.php/photo/7322/cat/500/ppuser/166433

this is unbelievable...
 
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