This M-400 suffers from a "ticking" noise, audible through the speakers and withiin the unit itself. During this video, I check the triac, the diac, multiple resistors and multiple caps. Ultimately, I'll replace all caps.
1uF @ 50V (x2) - 493-17436-1-ND
1uF @ 100V (x2) - 493-11540-1-ND
4.7uF @ 35V (x2) - 493-16017-ND
10uF @ 35V (x3) - 493-1314-ND
22uF @ 35V (x4) - 493-1315-ND
22uF @ 35V (x3) - 493-1315-ND
330uF @ 16V (x2) - 493-1521-ND
2,200uF @ 25V (x6) - UVY1E222MHD-ND
4,700uF @ 80V (x2) - 493-8967-ND
1 окт 2024