Cyclone problems

Tribedog

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My williams cyclone won't advance to the next ball. In the switch test mode some of my switches won't register. the right flipper doesn't register during the test either but still works. WTF! Any ideas out there. I replaced roms already and am wondering if the board needs to be reworked.
 
My williams cyclone won't advance to the next ball. In the switch test mode some of my switches won't register. the right flipper doesn't register during the test either but still works. WTF! Any ideas out there. I replaced roms already and am wondering if the board needs to be reworked.

What does it do when the first ball is drained, is it registering that?
 
Check and see if there are any switches that need adjusting or a switch might be stuck
 
My williams cyclone won't advance to the next ball. In the switch test mode some of my switches won't register. the right flipper doesn't register during the test either but still works. WTF! Any ideas out there. I replaced roms already and am wondering if the board needs to be reworked.

Most likely the board does not need to be reworked, but it is a possibility.

The first thing that you need to do is to get a copy of the manual, (you can download one here: http://ipdb.org/machine.cgi?id=617)
Then you will need to go to the switch matrix that is listed in the manual. This will list the switches in a matrix of 8 rows and 8 columns. Use the diagnostics on the machine and to test all of the switches. Mark what switches are operating and which ones are not. Once that is completed, you may notice that there is a complete row, or column that is not registering, this could be a broken wire on the playfield or a bad row or column drive transistor on the I/O board in the backbox. If there is a partial row or column that is not registering, you could have a broken wire on the playfield. If the bad switches are randomly placed on that matrix, the switches are probably out of adjustment, or bad. Look at each of the non-registering switches to see if they are adjusted correctly, have a diode on them, and to see if the wires are attached to them. Once you have done this, post again and we can start to work through this

It is very unlikely that the ROMs would cause this issue.

The right flipper registering in the switch test is not the flipper button, but the second set of contacts on the EOS switch on the flipper mechanism that are used to advance the lights on the rollovers.

Let us know what happens.
 
Check the ground wire for that column first. The drive transistors usually show signs that they have burned up (melted plastic, scortch marks on the driver board, etc). The most common things are bad connections at the connector or a broken wire in the set. Make sure you check the continuity between items as well. Sometimes the wire will break in the insulation between items (switches, lights, solenoids, etc.). If you just look for a broken wire, you may miss these. The easiest way to check is to put the meter on one end of the chain and go item by item until you find you have lost continuity. Then start from there and work backwards to the previous item. The break or bad connection is usually in that leg.

ken
 
indeed start with the switch tests and try to get them working

boards will probably be ok unless the batteries leaked ??
 
You guys kick ass!

FOUND IT!!! One loose GRN-RED wire connection at the board itself. Thanks for all your help, I never would have figured this out without assistance! Now anyone know where I can get a U-4 sound card? Always something right...
 
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