converting my HS to parallel wound coils.

[JPScranton]

all three flippers worked before doing this now the lower right
flipper is not working. I used clays guide on converting flippers and
double checked all my wiring several times. Anyone can help ? The
Diodes are drawn below with ascii art. U is the lugs and the diode
bands are pointing to the right. My coils are wired as so :

Right flipper

U------------[ ]]-----------U-----------[ ]]-----------U
BLU/YEL, EOS BLU/VIO
EOS

_______________________________________________________________________

left flipper:

U------------[ ]]-----------U-----------[ ]]-----------U
BLU/GRY, EOS GRY/YEL
EOS

________________________________________________________________________

Upper right flipper:

U------------[ ]]-----------U-----------[ ]]-----------U
BLK, EOS BLU/YEL
BLU/YEL,
EOS

I suspect someething wired wrong on the upper right flipper. It had
three wires instead of the lower flippers which only had two wires.

[cal50]

I converted mine (when I had it) and the only issue I ran into was I
had a bad coil for the conversion.

Ground the one coil lug (not the power) of your coil and see if it
fires. If so it's your wiring or transistor.

[AVP Pinball Division]

"cal50" <jbha...@oh.rr.com> wrote in message
news:1a5472bd-fe66-4606...@t26g2000prt.googlegroups.com...

There are three lugs. You MUST specify the proper lug to ground as not
everyone knows which lug is the power lug, EOS only and "flipper-switched"
lug.

Someone else read a troubleshooting page and was grounding the center lug
and blowing 20 amp fuses. That's because grounding the center lug takes the
EOS switch out of the equation. That person was putting 60 amps through a
20 amp fuse (on a Williams Flash).

If the flipper switch is working and the coil is wired properly yes, the
flipper switch is the same as grounding the other outer coil lug. The outer
coil lug with the unbanded end of the diode is the proper lug to ground. If
the fuse pops you have either miswired the coil or a diode is shorted.
Both of these conditions are diagnosed by using a multimeter.

Pistol Pete
Parkville, MD
AVP Pinball Division
www.AVPpinball.com
ser...@AVPpinball.com