Wei-ya M3192D: Difference between revisions
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[[media:M3129D01-7_M3129D01-72_(C3129D01-72).pdf|Wei-Ya M3129D01-7 / M3129D01-72 Schematic]] | [[media:M3129D01-7_M3129D01-72_(C3129D01-72).pdf|Wei-Ya M3129D01-7 / M3129D01-72 Schematic]] | ||
[https://na.suzohapp.com/pdf/service_pdfs/makvision49-3129-00_schematic.pdf Wei-Ya M3129DF-TS / M3129DB1-72 Schematic plus IC5/IC9 modules sch/info] | |||
== Cap Kits / Guides == | == Cap Kits / Guides == | ||
Revision as of 21:36, 13 March 2025
Chinese tri-sync monitor chassis found in Sammy Atomiswave SD and other early 2000s cabinets. Less reliable than the Nanao screens of old, but the final CRT chapter before everyone moved to LCD screens.
- Size: 29" Flat Tube
- Sync: 15/24/31 kHz
- Chassis: Wei-Ya M3129D
Manuals
Chassis Circuit Diagrams
Wei-Ya M3129D01-7 / M3129D01-72 Schematic
Wei-Ya M3129DF-TS / M3129DB1-72 Schematic plus IC5/IC9 modules sch/info
Cap Kits / Guides
Modifications
The Wei-Ya 3129 chassis is known for having quite a few quirks. Members of the community have researched and/or documented various modifications to improve performance and quality of these chassis:
- Replace the resistor at R111 with a 0.68 ohm, 1W, 350V resistor to enhance vertical overscan. (Archived from the original)
- If you're having issues with pincushion adjustment, check the capacitor at position C76 and ensure it is 1uF, 50V. Also, check continuity from this cap to the adjacent IC10; if there is no continuity, bridge IC10 and C76. (Archived from the original)
- The soldering on these chassis is generally known to be suspect at best; consider reflowing as much as you can with fresh, leaded solder.
- These chassis run hot. Very hot. Consider installing a fan to blow cool air across and over the chassis while in use.
- Rodotron 666A mods also apply to this chassis.