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Rhythm channel's signal (marked in green) drops out after relay RL1. I measure strong signal at C20, and very small signal at R13/C12 (marked by X). If I tap relay with chopstick (or nearby components) I can sometimes get signal to come back on strong. Could possibly be a dodgy solder connection, but if I'm lifting the PCB out, I'll replace the relay to save having to do it a second time.
But I need help spec'ing a relay--I keep running into dead ends on Mouser...mostly the relays are too large. The existing one is marked HFD4/12, and is 10mm x 6.5mm x 5.5mm high. Here is the data sheet. I can order from over seas. but prefer Mouser or Newark or something in USA.
But I need help spec'ing a relay--I keep running into dead ends on Mouser...mostly the relays are too large. The existing one is marked HFD4/12, and is 10mm x 6.5mm x 5.5mm high. Here is the data sheet. I can order from over seas. but prefer Mouser or Newark or something in USA.
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