i'd like to be able to confirm if the motor is alive or dead if anyone has any tips for that, or any other reccomendations. In any case, if anyone could point me in a good direction that would be great. i don't really know what it should look like or if it could be frying transistors. New Listing Peterson Strobe Tuner model 400 Pre-Owned TESTED and WORKS Opens in a new window or tab. on the scope the signal looks like a spike up and then down. Whether you’re a professional musician, a recording engineer, or a luthier seeking the utmost precision, Peterson’s commitment to excellence ensures that their tuners deliver unrivaled accuracy and. Peterson offers a tuner for every instrument and playing style. The other thing i'm not sure about is the signal coming in from the tuning circuit. Since then, Peterson set the standard for excellence in strobe tuner technology. however bot coils are not open and have the same inductance so i'm not certain how to confirm that its dead. What i'm considering now is either that the motor is dead. with the motor board removed everything is stable and seems good. i can't really make any voltage reading on the motor board because it seems like it would start a small fire. Peterson Virtual Strobe Tuner VS-1 Model Guitar/Bass w/ Case & Adapter TESTED. THIS PRODUCT HAS BEEN DISCONTINUED BY PETERSON. everything else on that board seems to be just fine (although i'm not too sure about how to test the flipflops properly but all three share the same resistance readings). Peterson SP-1 StroboPlus HD Chromatic Handheld Strobe Tuner. tried replacing them but they just toasted again. the MJE711 was burnt out and the 3.3ohm resistors were testing high. Naturally i began looking at the motor control board. Since the mid 1980s, Peterson has been the only company in the world building strobe tuners. the motor lookls like its trying to turn over but just moves about a quarter inch but does not spin. In the late ’60s, its Model 400 strobo-tuner was one of the most popular tuners on the scene, and appeared on stage with the Grateful Dead, the Who, Frank Zappa, Pink Floyd, and other top-notch professional acts. It gives you a compact flip design, large bright LCD, and full user. It uses Petersons exclusive Virtual Strobe Technology to provide an instantaneous picture of musical pitch. the strobe lights are on and respond to an input. The StroboFlip VS-F Strobe Tuner is a great addition to Petersons line of multi-temperament tuners, offering easy-to-use functionality in a flexible new design. the power supply seems to be giving the right voltages. here's whats going on and what i know.Įverything seems to work except the motor. i'm trying to get a broken peterson strobe tuner model 400 working again and have hit a bit of a wall.
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