Re: WPC Tech: anything to worry about?

Thanks guys

I am not sure the PDB that came in this machine is the one that is going
back in it - I have a pile of -1 and -3 boards that all need work and will
probably find one that is close and just fix it up - but now I am curious,
so I will work over the board that came in this game anyways, which is a -1
with a serial number that correlates IIRC to a Party Zone.

I have used the CPU out of this game in the other I500 to troubleshoot a
reset problem which ended up being a out of spec voltage regulator on the
PDB, and the CPU had no ill effects on any other features of that game. Both
games are early I500s and came with .4 game and .6 sound ROMS - all have
since been updated to 1.1 CPU and 1.0 Sound

--
http://www.myhomegameroom.com


"martin" <martin.reynolds@xxxxxxxxx> wrote in message
news:1151295622.208029.143080@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
It is like everything turned on at once, or the game failed in a hot
environment.

I would do some transistor checks on the power driver board, see if the
transistors are shorted. If they are, that will all need to be fixed.
If not, it may have been bad intsructions from the WPC board. I would
also test the WPC CPU without the PD ribbon connected, see if it brings
up the AV.


Lloyd Olson wrote:
I doubt a surge would do all that. Lots of stuff before the solenoids to
burn up first and not let power through.

I'd be suspecting they had some ribbon cables in the wrong spots or the
ends
turned 180 degrees ( not red stripe pin one each end ) .

When you get boards in the head, unplug the playfield solenoids and
lights,
and check power coming off the boards. If everything is working, then
plug
stuff in a little at a time and see if everything still works. LTG :)

"John Wart, jr" <johnwartjr@xxxxxxxxxxxxxx> wrote in message
news:jvKdnYL2wPvNxALZnZ2dnUVZ_qudnZ2d@xxxxxxxxxxxxxx
I'm working over my 2nd Indy 500. It was purchased as a project, and
I'm
finding some stuff underneath the playfield that bothers me.

The game has original CPU, Fliptronics and DCS board in it. I have no
way
of
knowing if the power driver or DMD driver that are in the game are the
ones
that were in it when it went crazy...

I have massive solenoid damage. I'm talking nearly half the solenoids
under
the PF were locked on at some point and self destructed. Burned coils,
wrappers etc. 2 flash lamps locked on, 1 was in the right ramp, the
other
under the PF. The flashlamp cover on the ramp melted, but I have new
ones
to
go on there. Unfortunately, the one under the PF melted the insert and
the
artwork lifted off the insert. The PF is unusable because of this, any
orbit
shots would hit the crater and do some crazy stuff.

Nearly every lamp in the game is silvered. The backbox insert sockets
are
browned or blackened in many cases.

Almost like something surged the entire game or something?

I have another I500 PF that I'm going to put in the game, so the melted
insert isn't going to kill things. The power box has been hacked, the
fuse
holder has been replaced with an inline fuse holder instead of panel
mount.
I have a panel mount fuse holder to install and will go through the
power
box and make sure everything is in order.

I'm not sure what could have caused this. If I go through all the
boards
and
check voltages, make sure the varistor is correct, and verify all fuse
values are correct, do I have anything to worry about? I've had games
where
1 transistor went bad and took out a single solenoid, and even a game
with
2
bad transistors taking out 2 solenoids, but this many solenoids bothers
me..
as if something else is wrong?

Thoughts?

--
http://www.myhomegameroom.com






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