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Rally-X incorrect colors.

Last response: in Video Games
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Anonymous
April 29, 2005 10:43:33 AM

Archived from groups: rec.games.video.arcade.collecting (More info?)

Ok, I just got a Rally-X board, which I THINK is missing a resistor at
D2.

After fixing a couple broken eproms legs and an interconnect cable
issue it works.

But some of the colors are wrong. Most yellow stuff has no color at
all. Some of the text that is supposed to be red is green. Text that is
supposed to be green is still green. The sidebar area that is supposed
to be black is brown like the level background, and the flags are
black/really dark brown (as is the fuel gauge). The red enemy cars are
still red, so I am not just missing the red.

Any ideas?

Also has a killer audio hum, which I assume is related to the missing
resistor near the volume pot.

Service mode doesn't seem to be very useful, it tells me RAMS and ROMS
are good and plays sound effects when I press buttons.

More about : rally incorrect colors

Anonymous
April 29, 2005 10:52:14 AM

Archived from groups: rec.games.video.arcade.collecting (More info?)

Looking more closely, it isn't using red in the mix for anything other
than the enemy cars and the dots that represent them. Everything else
that is red, or gets red in it's color mix is missing the red.
Anonymous
April 29, 2005 2:26:26 PM

Archived from groups: rec.games.video.arcade.collecting (More info?)

did you replace resistors with wrong valued resistors on that board?
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Anonymous
April 29, 2005 7:08:01 PM

Archived from groups: rec.games.video.arcade.collecting (More info?)

I haven't replaced any resistors at all, but I am pretty sure it is
missing one at D2, still waiting for someone to check their board
(anyone, anyone?).
Anonymous
April 30, 2005 1:36:06 AM

Archived from groups: rec.games.video.arcade.collecting (More info?)

d2 looks like just a 10k resistor same as d4
Anonymous
April 30, 2005 3:10:56 AM

Archived from groups: rec.games.video.arcade.collecting (More info?)

It's a diode guys, I didn't see this post and posted some info on your
other one a minute ago, I looked at the location on the board in my
hand and it DOES seem to be the same diode as in d4...just got done
testing them they are the same, you should be ok matching up one with
that one or see if the part # on the other page can lead you to a
replacement ...just looked up those on NTE quickcross...looks like a
NTE177 is the replacement for the IN914 and nothing comes up for a
IN914B. Hope this helps!
!