View source for Wei-ya M3192D

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 C3129DB

== Manuals == 
[[Media:Wei-ya_M3192D manual.pdf|Wei-Ya M31 Series User Manual]]

== Chassis Circuit Diagrams ==
[[media:M3129DB1-72.pdf|Wei-Ya M3129DB1-72 Schematic]]

[[media:M3129D01-7_M3129D01-72_(C3129D01-72).pdf|Wei-Ya M3129D01-7 / M3129D01-72 Schematic]]

== 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:
* [https://archive.ph/8Xoyg 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, [https://archive.ph/B9URG 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 [https://forum.arcadeotaku.com/viewtopic.php?p=547903&sid=9f887cba2480c84daff470b8d3b2d5f4#p547903 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.

[[Category:Monitors]]