19K7610 Capacitors?

Mat

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I have a Wells Gardner 19K7610 that I'd like to replace the caps on. It's my understanding that usually only some of the caps need replacing and that the others aren't likely to fail.

Can somebody tell me which caps I should purchase? I'd like to purchase them at the local electronics shop rather than as a kit online.
 

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that is a Zenith K7000a.

replace all of them as the ones you don't replace will fail shortly after words.
they are 30+ years old now any way.

i have kits available for that chassis all HQ caps.

PM me if you want one.

Peace
Buffett
 
So can you guys tell me what kind of pot to buy?
 
looking at it closer.. do you have a remote board with that chassis?
it appears that it does.

if it does then you are not missing any pots.

Peace
Buffett
 
Yep, its got four pots on it.

Any ideas what might be causing the blue screen problem?
 
What blue screen problem??

we need more background on your problem.

pics of the issue would help.

what game is in your cab??
is it playing blind??
have you checked voltages in the cab??


Peace
Buffett
 
The game is an After Burner upright. The game doesn't play, but by connecting it to another monitor (which also has problems), I can see that it goes into test mode. I haven't checked the voltages in the cab.

I posted this problem a while back but never got any responses. There's a pic of the problem on there. Here's the link.

http://forums.arcade-museum.com/showthread.php?t=243706
 
looks to me it is a PCB problem.

check your voltages on the game.

try and hook it to a known working monitor to rule out yor game first.

Peace
Buffett
 
I'm pretty sure I have a PCB problem, but I should also have monitor problems since I'm able to display the test screen on one of them, right? I was hoping to get at least one monitor working right before I start to tackle the PCB problem.

By check voltages, do you just mean where the board connects to the harness or at points actually on the board?

Unfortunately I don't have any fully working monitors to check with.
 
I was hoping to get at least one monitor working right before I start to tackle the PCB problem.

do you have another game to verify a monitor when it is time to test it.
if not then it would be better to send the chassis out so it could be tested.


By check voltages, do you just mean where the board connects to the harness or at points actually on the board?

check the voltage on the Game PCB on a chip they need to be +5v.

Peace
Buffett
 
Now that I think of it, I do have a monitor I can use. The SFII is working, I just didn't think of it cause it's not a real arcade monitor. It's a TV that has a plug input that's compatible with arcade video. The last guy just hacked the jamma harness into a TV cable to plug into it. I need to make an adapter so I don't have to solder and unsolder to switch between them.

How do you know which leg to test on the chip?
 
find a 74xxxx series chip on the board and look up the data sheet on it.

but most of them are the opposite diagonal corners.
like EG.. bottom left and upper rite. or it will be the opposite positions.

Peace
Buffett
 
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