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masterchief217
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« on: July 09, 2017, 02:13:51 am » |
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so I have a vs goonies machine and the colors are all tinted purple (I asume that can be fixed with a cap kit) and the picture gets biger and smaller randomly and often, now I am not sure what would fix the second part, should I just do a cap kit, is the hot bad, is it the b+ voltage, or would the flyback be the culprate, this would be my first crt repaire but I have replaced all the caps on a lcd computer monitor which fixed it. Thanks so much in advance for the help
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John's Arcade
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« Reply #1 on: July 10, 2017, 08:30:57 am » |
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so I have a vs goonies machine and the colors are all tinted purple (I asume that can be fixed with a cap kit) and the picture gets biger and smaller randomly and often, now I am not sure what would fix the second part, should I just do a cap kit, is the hot bad, is it the b+ voltage, or would the flyback be the culprate, this would be my first crt repaire but I have replaced all the caps on a lcd computer monitor which fixed it. Thanks so much in advance for the help
I would check the B+ for the breathing picture size. Start with cap kit then go from there. |
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masterchief217
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« Reply #2 on: July 11, 2017, 10:52:40 am » |
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thanks for helping me, you are so awsome, I love your videos
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« Last Edit: July 11, 2017, 11:01:21 am by masterchief217 »
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masterchief217
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« Reply #3 on: July 22, 2017, 12:37:46 am » |
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so I have a vs goonies machine and the colors are all tinted purple (I asume that can be fixed with a cap kit) and the picture gets biger and smaller randomly and often, now I am not sure what would fix the second part, should I just do a cap kit, is the hot bad, is it the b+ voltage, or would the flyback be the culprate, this would be my first crt repaire but I have replaced all the caps on a lcd computer monitor which fixed it. Thanks so much in advance for the help
I would check the B+ for the breathing picture size. Start with cap kit then go from there. So when i went to order a kit ian kellogs site was down so i ordered from a site called twisted courter a sanyo 20 ezv cap kit and I went to replace c201 and the cap kit came with a 100 uf 16v but my board used a 10 uf 25v, do I replace the cap or use the old one |
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John's Arcade
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« Reply #4 on: July 24, 2017, 08:27:00 am » |
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so I have a vs goonies machine and the colors are all tinted purple (I asume that can be fixed with a cap kit) and the picture gets biger and smaller randomly and often, now I am not sure what would fix the second part, should I just do a cap kit, is the hot bad, is it the b+ voltage, or would the flyback be the culprate, this would be my first crt repaire but I have replaced all the caps on a lcd computer monitor which fixed it. Thanks so much in advance for the help
I would check the B+ for the breathing picture size. Start with cap kit then go from there. So when i went to order a kit ian kellogs site was down so i ordered from a site called twisted courter a sanyo 20 ezv cap kit and I went to replace c201 and the cap kit came with a 100 uf 16v but my board used a 10 uf 25v, do I replace the cap or use the old one I don't personally recall this issue but it looks like it's common. Just use the 100 UF cap: http://forum.arcadecontrols.com/index.php?topic=106200.0 |
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masterchief217
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« Reply #5 on: July 24, 2017, 06:32:27 pm » |
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so I recaped it last night and adjusted the b+, I got it to about 108.2 and it worked, I made a trip to frys and bought the cap that i saw in it originaly because I was unsure about the cap kit. the game worked but I wanted to replace the batteries so I took out the board and replaced them then I put the board back and got a solid green screen, looked online and saw that this is often caused by improperly seated daughter boards so I took it out and reseated it but now when I put it back I get a black screen and I am not sure what to do
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masterchief217
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« Reply #6 on: July 24, 2017, 06:38:14 pm » |
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so I have a vs goonies machine and the colors are all tinted purple (I asume that can be fixed with a cap kit) and the picture gets biger and smaller randomly and often, now I am not sure what would fix the second part, should I just do a cap kit, is the hot bad, is it the b+ voltage, or would the flyback be the culprate, this would be my first crt repaire but I have replaced all the caps on a lcd computer monitor which fixed it. Thanks so much in advance for the help
I would check the B+ for the breathing picture size. Start with cap kit then go from there So when i went to order a kit ian kellogs site was down so i ordered from a site called twisted courter a sanyo 20 ezv cap kit and I went to replace c201 and the cap kit came with a 100 uf 16v but my board used a 10 uf 25v, do I replace the cap or use the old one I don't personally recall this issue but it looks like it's common. Just use the 100 UF cap: http://forum.arcadecontrols.com/index.php?topic=106200.0the daughter board kept feeling like it wasnt put in super tight no matter how tight I put it in |
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masterchief217
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« Reply #7 on: July 24, 2017, 09:42:16 pm » |
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I tried reseating the daughter board again and I got the lime green image again
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masterchief217
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« Reply #8 on: July 24, 2017, 09:55:00 pm » |
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the daughterboard is extremely loose on the main board, is there something I should do
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masterchief217
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« Reply #9 on: July 24, 2017, 11:01:55 pm » |
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I tried bending the daughter board pins slightly to make a better conection and now I am gettim a greenish yellowish screen
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John's Arcade
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« Reply #10 on: July 25, 2017, 08:56:21 am » |
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Try reseating or swapping the CPUs.
This has happened to me many times with these boards.
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masterchief217
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« Reply #11 on: July 25, 2017, 03:58:32 pm » |
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thanks for the advice, I will try reseating the chips on the daughter board and im going to replace the thing on the board that the daughterboard conects to because I think that its to loose
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masterchief217
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« Reply #12 on: July 26, 2017, 01:23:47 pm » |
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Try reseating or swapping the CPUs.
This has happened to me many times with these boards.
reseating the cpu ppu and rom chips on top of the daughter board didnt work so im replacing the thing that the daughter board ataches to on the mainboard |
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masterchief217
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« Reply #13 on: December 03, 2017, 09:45:23 pm » |
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I bought some 40 pin seats from frys but the daughter board doesnt go in all the way because they are too shallow. I tried to bend the pins on the seat on the board so I could get my multimeter to get continuity on all the pins. does anyone know where I can buy the correct seats for the daughterboard
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