Nanao MS9: Difference between revisions
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[[Category:Monitors]] | [[Category:Monitors]] | ||
[[Category:Repairs]] | [[Category:Repairs]] | ||
Follow-up to the successful [[Nanao MS8|MS8]], adding improved RGB amp circuitry and more picture adjustment pots. | |||
*Size: 29" curved Tube | |||
*Sync: 15/24 kHz (set manually on most chassis, final generation is auto-switching) | |||
==What types of CRT tube are used with the MS9?== | ==What types of CRT tube are used with the MS9?== | ||
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Thanks to ekorz & Arcade-Projects forum members for the research. ([https://archive.ph/czz2O Archive] of the original) | Thanks to ekorz & Arcade-Projects forum members for the research. ([https://archive.ph/czz2O Archive] of the original) | ||
==Manuals== | |||
*[[Media:Nanao-MS9-29-Service-Manual.pdf |Nanao MS9-29SU Service Manual]] | |||
*[https://gamerepair.info/images/137_nanao_ms9_29 MS9-29SU Schematic] | |||
==Reference== | ==Reference== | ||
*[[Media:MS9chassispots.jpg|Pots on MS9 Chassis]] | *[[Media:MS9chassispots.jpg|Pots on MS9 Chassis]] | ||
*[[Media:Ms9pinout.png|Input Pinout]] | *[[Media:Ms9pinout.png|Input Pinout]] | ||
*[[Nanao MS-9 | *[[Nanao MS-9 capacitor listing]] | ||
Latest revision as of 18:58, 9 December 2024
Follow-up to the successful MS8, adding improved RGB amp circuitry and more picture adjustment pots.
- Size: 29" curved Tube
- Sync: 15/24 kHz (set manually on most chassis, final generation is auto-switching)
What types of CRT tube are used with the MS9?
The MS9 can have the following CRTs:
A68KJU96X (Toshiba)
A68KSA30X (Hitachi)
M68JUA068X (Matsushita)
A number followed by a letter between brackets on the label of Toshiba CRTs is the date of manufacture (4D = April 1994, 6H = August 1996, etc.) and is not part of the CRT designation.
Remote Board Potentiometers
VR283 - Contrast: 5k
VR280 - R Gain: 3.3k
VR281 - G-Gain: 3.3k
VR282 - B-Gain: 3.3k
VR284 - B-Gain: 3.3k
VR285 - H.Size: 10k
VR286 - H.Posi: 10k
VR287 - V.Size: 10k
VR288 - V.Posi: 10k
5K Pot: https://www.digikey.com/en/products/detail/PTV09A-4015F-B502/PTV09A-4015F-B502-ND/3781115 - Bourns Inc PTV09A-4015F-B502
10K Pot: https://www.digikey.com/en/products/detail/bourns-inc/PTV09A-4015F-B103/3781113 - Bourns Inc PTV09A-4015F-B103
3.3K Pots: Try Aliexpress or Amazon (look for "332" Potentiometers)
Thanks to ekorz & Arcade-Projects forum members for the research. (Archive of the original)
