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  1. jjhudgins

    Captains Log K7000 HV Shutdown, Shutdown and horizontal tear. Missing Red

    Patient: K7000 P538 Symptoms: originally the B+ read 150 to 160 V, HV shut down. Performed the light bulb test and got close to 130 volts. So the issue is on the horizontal side. After visual inspection, I noticed that the jumper that's below the yoke connector was partially removed. So one leg...
  2. jjhudgins

    Captains Log k7300 Tovis Vertical Collapse/ Shaking

    Symptom: Had a K7300 that worked but when it warmed up the screen would shake. If I adjusted the vertical size it would go to a thin line like collapse. Solution: caps and c371.
  3. jjhudgins

    K7000 Ever seen this version?

    With a bleeder box and the vertical PCB. I have a 27 inch that has the width coil on it and I seen the P612 board but I think this one’s the first
  4. jjhudgins

    Captains Log K7000 Vertical Collapse

    Patient: k7000 25" Latest version produced Symptom: vertical collapse 1st thing I do is test to see if I have the 26 volts on both pins of ic3 that require it. It did, so I knew everything was good up to that point. I also checked for bad solder and bad pots around the vertical pots. Also...
  5. jjhudgins

    Captains Log K7203 c009 High b+ squealing

    It’s always the small Things that cause the biggest headaches
  6. jjhudgins

    Captains Log K7203 c009 High b+ squealing

    Took 2 hours to do. Take your time so you don’t lift any traces. Ready to go and for sale after burn in period.
  7. jjhudgins

    Captains Log K7203 c009 High b+ squealing

    Patient: K7203 Symptoms: 1. High b+ 139 and not 121. Couldn't adjust down far enough. 2.Squealing / High pitch sound Solution: replaced cap c009 22uf. Caps on these usually fix a lot of issues but just replacing c009 fixes the noise and the b+. I was able to adjust b+ enough once I replaced...
  8. jjhudgins

    Captains Log K7400 No Power/ Ticking/ White Image

    So nothing of late to log here but thought I would post anyway since this had all types of issues Patient: k7400 Initial symptoms: Dead Performed lightbulb test and got zero voltage and no ticking. Of course, I checked the big white resistor and all that good stuff before doing the...
  9. jjhudgins

    Installing a Unico 26 into a turtles arcade...

    You just have to know where to look...
  10. jjhudgins

    Nba jam and mortal kombat ii screen issues

    Are you running all them thru the converter board?
  11. jjhudgins

    Centipede red screen

    I just pushed down on all the sockets As suggested
  12. jjhudgins

    Centipede red screen

    Hmm. I have this same issue too
  13. jjhudgins

    Electrohome FBO 13” in a Centipede Black Hole

    I have a client that wants there's fixed bit I do not do PCB work. I do only monitor boards.
  14. jjhudgins

    Neo Geo MVS Slot replacements

    My 4 slot just refusing to work anymore. The pins are just horrible. Any suggestions on a repair or replacemet? I may just have to buy another top board. Anytime I want to change games it's a hassle. Both the cart and slot has been throughout cleaned.
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