Hoffman Amplifiers Tube Amplifier Forum
Other Stuff => Effects => Topic started by: BigE on February 16, 2010, 08:56:15 pm
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Just wanna get your guys's input before I tackle this. Pretty sure I know what's goin on but wanna make sure as I haven't messed with too many pedals before.
I gotta Boss CE-2 Chorus.... When you run it off battery the LED comes on and all is fine. When you remove the Battery and run it off a power adapter the effect will work but the LED won't come on.
In messing with it, I found that if you short the ground lug from the DC plug to the chasis the LED comes on.
Thoughts on what's goin on?
http://www.hobby-hour.com/electronics/s/boss-ce2-chorus-schematic.php
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Busted wire on the power socket.
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No dice. I can short points 3 and 4 together and it works. And i can short from point 3 across the diode to R53 and it works so I'm gonna try a new diode tomorrow. The value of R54 on the schematic didn't match the one in the pedal. So I put a 100 in the pedal so it'd match the Schematic and still no dice. Seems as if you take the diode out of the equation all works fine.