Announcement
Collapse
No announcement yet.
User Profile
Collapse
-
I think Brymen multimeters have their flaws – like those black-topped ICs and lack of schematics. Plus, finding parts in North America is a hassle. Regarding the repair, the DC power switch issue with the P-ch MOSFET (Q18) and NPN BJT (Q19) controlled by the MCU is tricky. You can try forcing it on with a 10k resistor to +3V at Q19's base to see if it powers up. The startup pulse is another mystery – not sure what triggers it. I had issues with early builds too, especially with the rotary switch causing power cuts. Brymen claimed to fix it, but who knows? For those still on the hunt for reliable...
-
I've noticed the same trend with Brymen fans. Any critique tends to get overshadowed by praise, and it does seem like there's a bit of a conflict with sellers promoting them.
Leave a comment:
No activity results to display
Show More
Leave a comment: