Fuse Location on Mag One BPR40 these usually use a diode for reverse polarity protection and no fuses. You will need a full schematic and probably a service manual.
...they were hooked up to a car power adapter. The problem was the wires in the cigarette lighter were reversed. Before both worked great, afterwards both would not power up. I an hoping there is a ...
...that will cause the power supply fuse to blow or go into overcurrent shutdown if you have + and - reversed. It's also possible this diode has been shorted. You can't tell by looking at electronic ...
reverse polarity diode changed them both in a uniden grant still dead Check around the pcboard where the dc goes to the board, sometimes the foil will burn. Also chec the transformer, Chec that one of
Question about Kenwood Radio Communications
...reverse polarity diode, its black with a silver stripe around it, its job is to make sure it wasn't hooked up wrong, you could unsolder it MAKE SURE EVERTHING IS HOOKED UP CORRECTLY, turn it on for a ...
reverse-polarity diode in the radio. It's there to cause the fuse to blow if you get the battery connections backwards when hooking up the radio. The diode can short, and this will cause the blown
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