1982 XV750 TCI Igniter Box Rebuild (Charlotte, NC)

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Mace_Hacker
Posts: 23
Joined: Fri Feb 19, 2021 10:37 am
Location: Charlotte, NC
What Virago you Own: 1982 Virago XV750
1992 Virago 1100

Re: 1982 XV750 TCI Igniter Box Rebuild (Charlotte, NC)

Post by Mace_Hacker » Mon Mar 22, 2021 10:01 am

Update:(3-22-2021)
I ordered all new capacitors, mostly from Mouser, and I am still waiting on them to arrive. I did order 2 capacitors on Amazon, twice; because I did not like the way they looked. Too small, in my opinion. (see picture)
Lacking a better alternative I will probably use the first and last ones shown in the picture.
When the rest of my parts show up I will swap them out, test, and update post again.
Cheers!
Mace

Edit:
I just ordered 2 different capacitors from Newark to compare to the ones I got from Amazon.
We will see.
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Mace_Hacker
Posts: 23
Joined: Fri Feb 19, 2021 10:37 am
Location: Charlotte, NC
What Virago you Own: 1982 Virago XV750
1992 Virago 1100

UPDATE for: 1982 XV750 TCI Igniter Box Rebuild (Charlotte, NC)

Post by Mace_Hacker » Thu Apr 08, 2021 3:11 pm

Ok, so far:
I took the TCI appart and cleaned it.
I ordered my parts and waited.
I got my parts and started replacing them.
Now I am done.
All capacitors - Replaced.
4 - wire wound resistors - Replaced
2 - primary transistors - Replaced

I only need to add some schmoo,( for vibration damping), then close it up and see if it works.
Fingers crossed!

PS: I will be posting a video link later showing some of the work as I did it.
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ViragoJoe
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What Virago you Own: 1996 Virago Special XV1100SH

Re: UPDATE for: 1982 XV750 TCI Igniter Box Rebuild (Charlotte, NC)

Post by ViragoJoe » Thu Apr 08, 2021 3:17 pm

Mace_Hacker wrote:
Thu Apr 08, 2021 3:11 pm
Ok, so far:
I took the TCI appart and cleaned it.
I ordered my parts and waited.
I got my parts and started replacing them.
Now I am done.
All capacitors - Replaced.
4 - wire wound resistors - Replaced
2 - primary transistors - Replaced

I only need to add some schmoo,( for vibration damping), then close it up and see if it works.
Fingers crossed!

PS: I will be posting a video link later showing some of the work as I did it.

Mace my friend,

Nice Job! That TCI looks absolutely perfect!!
ViragoJoe 🇺🇸
1996 XV1100SH Virago Special
"Never ride faster than your Guardian Angel can fly!!"
;)


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User avatar
Mace_Hacker
Posts: 23
Joined: Fri Feb 19, 2021 10:37 am
Location: Charlotte, NC
What Virago you Own: 1982 Virago XV750
1992 Virago 1100

Re: 1982 XV750 TCI Igniter Box Rebuild (Charlotte, NC)

Post by Mace_Hacker » Fri Apr 09, 2021 11:39 am

Thanks Joe, but......far from perfect!
NOTES:
1 - I did not order the correct parts...sort of. The lead spacing on several of the ceramic capacitors was too wide and did not allow them to seat close enough to the board. ( I made them work/ish)
2 - By not having the right spacing on the leads, the parts were too high; not allowing enough clearance when you fold the thing back together. I had to bend parts weird ways as best I could. Not ideal but I did manage to get it done.
3 - The "Schmoo" I used GE Aadvanced silicone II , clear, as the vibration damping around all the capacitors. Research showed it is not supposed to be harmful to components. We will see.
Maybe. Because......
4 - I sold the bike. Technically I am selling the bike today but, eh. It's going away.

I got the TCI repaired and reassembled. I stuck it on the bike. It runs. So I the guy that was interested in the bike is happy and that's the best I can do.
Moving forward----I have a spare TCI that I bought on EBAY and I will be taking it apart soon.
The plan for it is to use it to make a "new" PCB and eventually...hopefully...a schematic for it.
at the very least....I will remove and test each component so as to verify its value; then we will have a complete list and location/placement of components on the boards.
This will be an ongoing project. Wish me luck.

Summary:
I 'think' I fixed my TCI which I 'think' was broken.

Hope everyone has a great weekend!
Cheers!
Mace
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