I fired up my latest build, and the pilot light blew immediately. The fuse was fine, so I figured it was a bad bulb. Replaced the bulb and same thing happened. I tried the search function and couldn't seem to find a thread on the topic.
Has anyone had this problem? I am kind of afraid to turn it back on at this point.
Pilot Light blowing
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martin manning
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Re: Pilot Light blowing
There are some sharp folks here, but no psychics that I know of. What circuit? LED (typical for D-type amp) or incandescent lamp? If it's an LED, perhaps the current limiting resistor you have installed is the wrong value?
Re: Pilot Light blowing
As Martin said, if the bulb is burning out then it's getting too much current.
If it's an LED then the limiting resistor may be either too small or shorted where it connects to the LED.
If it's an incandescent then you may be supplying too high a voltage somehow.
Have you read the voltage going into the bulb?
My ceriatone had a small incandescent (soldered into a mount) that blew. I think it was powered by 6 volts AC. I just replaced it with an LED and resistor.
If it's an LED then the limiting resistor may be either too small or shorted where it connects to the LED.
If it's an incandescent then you may be supplying too high a voltage somehow.
Have you read the voltage going into the bulb?
My ceriatone had a small incandescent (soldered into a mount) that blew. I think it was powered by 6 volts AC. I just replaced it with an LED and resistor.
Re: Pilot Light blowing
I got a mess of 3 volt lamps in a box that was marked 6 volts once. I blew 3 lamps before I discovered it. You may want to check the simplest of things first....
Good luck
Good luck