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  1. Mukuro_W

    NO VIDEO Toshiba 29" Monitor, PM1745 Chassis on Astro City

    If the coil is not open you can rewind the copper wire if the wire is broken you can repair by soldering but the position of the ferrite core can influence the h stage for ex ample on the h linearity, on those sanwa chassis , those coils are so fragile that they glued them on the heatsink. If...
  2. Mukuro_W

    NO VIDEO Toshiba 29" Monitor, PM1745 Chassis on Astro City

    Yes it Is the psu area usually damaged, someone here have already replaced some parts, at least two resistor which usually fail, you have to check r804, q803 , q804 and look for any short in that area, the pcb appear brand new, probably never seen one in this condition, this must be...
  3. Mukuro_W

    NO VIDEO Toshiba 29" Monitor, PM1745 Chassis on Astro City

    There are two types of pm1745 this one green PCB was made in Japan, this drive toshiba 29 tube and it is far better than the ones pm1745c yellow PCB china assembled paired with samsung tube. Usually the damage is on psu section, there Is fuse resistor (1.5k ) and a pnp transistor often fail...
  4. Mukuro_W

    NO VIDEO Toshiba 29" Monitor, PM1745 Chassis on Astro City

    Please send a photo of the chassis
  5. Mukuro_W

    Monitor Damage from shipping

    A crt should bè fixed on a solid wooden pallet and there well protected, I have shipped lots of PVMs and 29-26 nanaos, not a single one issue.
  6. Mukuro_W

    MS9 gradually loosing green

    This is music to me, I hope you have fixed but if you have still not already done replace all VZ nichi caps because they will fail, the ones around the M51387P ic and the ones near the v out ic (3x 100uf 35v) are critical .
  7. Mukuro_W

    MS9 gradually loosing green

    RGB Amp: M51387P U201, and there are also 3 x smd transistor and 3 x diodes, you can go haed just replacing the U201.
  8. Mukuro_W

    MS9 gradually loosing green

    Those are just spark-protection
  9. Mukuro_W

    MS9 gradually loosing green

    And also check the Spark gap, that little bulbs sometimes wich just fail due a broken foot..
  10. Mukuro_W

    MS9 gradually loosing green

    You can swap the neck board to isolate the issue, most likely some diodes and resistors failed on green line 31X
  11. Mukuro_W

    MS9 blowing HOT

    Check solder joints on the little grey h driver trasformer placed just in front of the hot and replace the 10uf 250v caps on 200v line on both main board and neck board.
  12. Mukuro_W

    MS9-29 barrel distortion

    If you have barrel distortion on the sides of the screen then you have to set the pincuscion pot, you will find two trimmer on the main board one for standard res "spc15" (Side pincushion 15khz standard res) and "spc24" (Side pincushion 24hz high res) . If the spc 15 not correct properly ...
  13. Mukuro_W

    chunghwa 29inch crt monitor + sanwa board screen error question.

    Chunghwa tubes are high grade, Chunghwa was a big crt manufacturer wich supplied the tubes to jVC and IKEGAMI for they more reputable broadcasting pro monitors. Those tubes are very good should be not confused with china crap Shanghai Novel ones wich are truly the worst. There is something...
  14. Mukuro_W

    MS9 flickering

    Replace U550, LA7853
  15. Mukuro_W

    MS9-29 15k/24k auto switch chassis capacitors variation?

    Those caps were replaced with china caps, the original ones on all ms9, including the auto switch model, are: c956 : 680uf 10v c955: 180uf 25v (but you can put also 220uf) Replace them with something good like nichicom UPW or UHE or rubycon YXF or YXJ series.
  16. Mukuro_W

    Taito F3 + multi cart werid sound effects issue

    Got the kit with dark soft multicart, all games just running flawlessly I'm sure that the cart it's ok but the main board maybe is not since I get all sound effect too low respect to the background music in game. The onboard trimmer is in its position, sealed with glue and I know it is not a...
  17. Mukuro_W

    A68KSA30X and MS9

    No mod needed since this tube is drived by the nanao ms9, so it will use same amp up connector for rgb, AC input and degauss.
  18. Mukuro_W

    A68KSA30X and MS9

    It will fit but you have mount the tube UNDER the frame itself, doing so it will fit without forcing/deform the bezel but you will have a gap to fix, obviously.
  19. Mukuro_W

    Final fight c+b + dash 12mhz A board

    But on the same dash, captain commando just not working properly, on the same dash the Dark multi works flawlessly. Captain commando B+c works on its 10mhz board. It's so weird..
  20. Mukuro_W

    Final fight c+b + dash 12mhz A board

    I have simply a question: final fight genuine b+c board will work on a 12mhz crystal dash A board?
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