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Post Info TOPIC: 33920-56B30/40 Schematic and Component Identification


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RE: 33920-56B30/40 Schematic and Component Identification
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Capacity tolerance is 20% in cheap elements, so don't worry.


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C103 is a 47uF but as noted below, a 50uF would probably work without issue.  I had read C1 is 100nF as a possibility elsewhere.  I've been searching around for info since this past Monday of the long weekend.

At least somebody can kind of confirm what I had found.  It's a starting point and even if the value is slightly out, I'm hoping that it gets the unit working enough for the vehicle to run.  I know for example, with other electronics I've worked with, if an item is 100nF and you use an 82nF or a 120nF, it really won't make a difference.  Then again, guitar amps/pedals may be different than a vehicle. :)
Thank you very much for replying.
kostuch wrote:

If I remember correctly, C103 is 50uF and C1 is 100nF
Unfortunatelly, currently I have no such ecu to confirm these values.



-- Edited by kostuch on Thursday 6th of September 2012 10:22:28 AM


 



-- Edited by TOTech on Thursday 6th of September 2012 11:45:08 PM

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If I remember correctly, C103 is 50uF and C1 is 100nF
Unfortunatelly, currently I have no such ecu to confirm these values.



-- Edited by kostuch on Thursday 6th of September 2012 10:22:28 AM

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Well, before I start buying whole replacement parts, I have an idea that I would like to try to see if this fixes the problem.  Knowing the value of C1 in the ECU circuit would help.

I have the capacitor off the board as it was half off from damage and desoldering the other side was simple.
Rhinoman wrote:

A 56B30 does not have the A/T functionality however I can provide an exchange replacement, if you require this please contact me by email at

sales@rhinopower.org

 


 



-- Edited by TOTech on Thursday 6th of September 2012 03:40:01 AM

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A 56B30 does not have the A/T functionality however I can provide an exchange replacement, if you require this please contact me by email at

sales@rhinopower.org

 



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1984 Suzuki SJ413K pick up, 1.6 16V Baleno engine
2000 Suzuki Vitara 1.6 8V, many mods
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I have a 33920-56B40 that had C103 leak.  The ECU is currently not working.

When cleaning the board after removing the bad part, it became obvious that the trace between C103 & C1 had lifted and was damaged as well as C1 is lifting.  The left side of C1 is still attached.

http://www.rhinopower.org/ECUs/56B70/images/traces.jpg

I know this probably sounds crazy but if any knows the value of C1, I was hoping to use a regular capacitor to attach to the far left pad of C1 and use the right side of a regular capacitor to attach to the left leg (-) of C103 and maybe get this ECU working again.

Are there any detailed schematics with values listed for this ECU?

If this fails and I have to source a new ECU, can one swap the 33920-56B40 A/T with a 33920-56B30 M/T or will there be problems?  Are there any other ECUs from other Geo/Suzuki vehicles that can be swapped in for the 33920-56B40?

Thank you.



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