Astro City Blurry Screen issue
- atiyatalla
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Astro City Blurry Screen issue
Hi everyone,
I have an ASTRO city cabinet which I hooked up an pandoras box 4s to and I wanted to know is there a way I can the screen so it doesn't look blurry because I can barely see anything without the lights turned on.
I have an ASTRO city cabinet which I hooked up an pandoras box 4s to and I wanted to know is there a way I can the screen so it doesn't look blurry because I can barely see anything without the lights turned on.
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- atiyatalla
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Re: Astro City Blurry Screen issue
Forgot to add this to,
Would Appriciate any help I can get.
Would Appriciate any help I can get.
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- nem
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Re: Astro City Blurry Screen issue
Looks like horizontal hold is slightly off. Adjust the pot marked H.H.15 on the chassis.
- grantspain
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Re: Astro City Blurry Screen issue
looks like video ground is missing, normal jamma on pin 14 and on chinese multigames is on pin 1
- nem
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Re: Astro City Blurry Screen issue
Ahh, Grant's right. That's indeed what it is.
- atiyatalla
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Re: Astro City Blurry Screen issue
so should i replace the whole jamaa cable? im a complete noob sorry :/ can you tell me what i should dograntspain wrote: ↑December 22nd, 2019, 4:17 pm looks like video ground is missing, normal jamma on pin 14 and on chinese multigames is on pin 1
- Sp33dFr34k
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Re: Astro City Blurry Screen issue
Nooo, just wire up ground to pin 14 and you should be okay.
- grantspain
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Re: Astro City Blurry Screen issue
i think on the pandora its wire video ground to pin 1, your jamma looks wired for video ground on pin 14
who knows what has been done previously on the cab wiring wise
a quick way to see if it is related to video ground is just link pin 1 and pin 14 , how you do that is up to you- maybe with a bit of wire or short it with a length of solder
the issue does look like video ground missing but it could also be an oddball +5 issue or the most obscure chassis fault
trying a real jamma board would also be worthwhile
who knows what has been done previously on the cab wiring wise
a quick way to see if it is related to video ground is just link pin 1 and pin 14 , how you do that is up to you- maybe with a bit of wire or short it with a length of solder
the issue does look like video ground missing but it could also be an oddball +5 issue or the most obscure chassis fault
trying a real jamma board would also be worthwhile
- atiyatalla
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Re: Astro City Blurry Screen issue
HI I just plugged in an atomiswave and the video is a bit shakey.grantspain wrote: ↑December 23rd, 2019, 6:48 pm i think on the pandora its wire video ground to pin 1, your jamma looks wired for video ground on pin 14
who knows what has been done previously on the cab wiring wise
a quick way to see if it is related to video ground is just link pin 1 and pin 14 , how you do that is up to you- maybe with a bit of wire or short it with a length of solder
the issue does look like video ground missing but it could also be an oddball +5 issue or the most obscure chassis fault
trying a real jamma board would also be worthwhile
I took a couple of photos, when you say short wire pin 1 and pin 14 could you explain how I can do that I'm a big noob on this, would Appriciate if you could explain it to me.
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- atiyatalla
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Re: Astro City Blurry Screen issue
Forgot thisb
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- grantspain
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Re: Astro City Blurry Screen issue
you get a small length of wire and short one end to pin 1 and the other end to pin 14
you should check the neck card is fully home and the crt earth wire is connected tot he neck card
you should check the neck card is fully home and the crt earth wire is connected tot he neck card
- atiyatalla
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Re: Astro City Blurry Screen issue
I bought myself an Atomiswave board and plugged it in, it fixed the blurriness but I can see tearing now on the monitor
Here is a video below:-
what do you guys think its the same issue?
and how do we wire up ground to pin 14 I'm a complete noob sorry.
Here is a video below:-
what do you guys think its the same issue?
and how do we wire up ground to pin 14 I'm a complete noob sorry.
- atiyatalla
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Re: Astro City Blurry Screen issue
Fixed sorry