Cap kit welcomed trouble

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ncruz
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Cap kit welcomed trouble

Post by ncruz » November 17th, 2018, 1:54 am

20181116_205448.jpg
Hey guys,

Thank you for taking the time to read this. Im relatively new to owning candy cabs and just got my second one and it was working when I got it....just had some white bleeding and lightness on the sides. So decided to do a cap kit on the ms9 chassis and at first nothing...so I checked my work. Found a couple bad solder joints popped it back in and now I have a dual set of marquee 'ing blue segments up the middle...

Any idea what could be causing this? Could it just be a cap short somewhere?

Sorry again and thank you for all your help. If you would like more pictures or details, let me know!
Last edited by ncruz on November 17th, 2018, 3:10 am, edited 1 time in total.

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grantspain
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Re: Cap kit welcomed trouble

Post by grantspain » November 17th, 2018, 2:51 am

its odd, looks more like a game board fault than chassis- check you +5 and try a different board if you have one

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Re: Cap kit welcomed trouble

Post by ncruz » November 17th, 2018, 3:28 am

Unfortunately, it's not a game board :cry:

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Re: Cap kit welcomed trouble

Post by grantspain » November 17th, 2018, 10:08 am

you have full vertical deflection and from what i can see full horizontal deflection , when you capped this did you remove any chassis interconnects?

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Re: Cap kit welcomed trouble

Post by ncruz » November 17th, 2018, 2:59 pm

grantspain wrote:
November 17th, 2018, 10:08 am
you have full vertical deflection and from what i can see full horizontal deflection , when you capped this did you remove any chassis interconnects?
I didnt remove anything else from the chassis other than the caps....although I'm not sure what you mean by "interconnects"? You mean board traces or something?

Sorry

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Re: Cap kit welcomed trouble

Post by grantspain » November 17th, 2018, 4:11 pm

any cables going from neck card to chassis is what i meant

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Re: Cap kit welcomed trouble

Post by ncruz » November 17th, 2018, 5:27 pm

grantspain wrote:
November 17th, 2018, 4:11 MP
any cables going from neck card to chassis is what i meant
Negative. They're all in place properly :(

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Re: Cap kit welcomed trouble

Post by grantspain » November 17th, 2018, 5:40 pm

disconnect video signal, increase screen volts on flyback so you can obtain a light full raster
reconnect video signal, post photo of result

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Re: Cap kit welcomed trouble

Post by ncruz » November 17th, 2018, 7:28 pm

grantspain wrote:
November 17th, 2018, 5:40 MP
disconnect video signal, increase screen volts on flyback so you can obtain a light full raster
reconnect video signal, post photo of result
Disconnect the video signal as in the whole neck board or just the 2 blue/red and green/yellow molex?

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Re: Cap kit welcomed trouble

Post by ncruz » November 17th, 2018, 7:49 pm

20181117_144826.jpg
It just seems those segments moved further apart

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Re: Cap kit welcomed trouble

Post by grantspain » November 18th, 2018, 10:08 am

can you obtain full raster with video input disconnected?

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Re: Cap kit welcomed trouble

Post by ncruz » November 19th, 2018, 9:40 pm

grantspain wrote:
November 18th, 2018, 10:08 am
can you obtain full raster with video input disconnected?
It seems to obtain full raster. I also noticed when I turn off the cab it gets picture for a split second.... interestingly enough

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Re: Cap kit welcomed trouble

Post by grantspain » November 19th, 2018, 10:40 pm

did you change cap for cap or buy a cap kit?

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Re: Cap kit welcomed trouble

Post by ncruz » November 20th, 2018, 8:06 pm

grantspain wrote:
November 19th, 2018, 10:40 MP
did you change cap for cap or buy a cap kit?
A cap kit

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Re: Cap kit welcomed trouble

Post by grantspain » November 20th, 2018, 9:04 pm

i think there is a cap wrong polarity or value or maybe a shorted track from solder work

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