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I really don't know what the issue was with the power supply pulling down. I've never had a problem with my bench. I took it apart, got some deoxit into...
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I really have no idea. That's why this thing has been confusing me. A partial short maybe? The regulator gets crazy hot. My new set of regulators should...
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Yes, same outcome. Bench is pulling only 2.6V at 0.16A, obviously that's the reason the regulator is getting warm, but I can't find what's pulling it down....
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Sorry, bench is 30V/6A.
I ran the removed regulator to the input side of the pedal with jumpers. Only connected GND and Vin. When using my...
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My fault, the ground I was referring to was the switch. I was just saying that the switch does function properly and pulls whichever pin it was on the 80C31...
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I've tried a couple different power supplies plus my bench, all with the same issue. Without the regulator in, the 9V rail through the early stages of the...
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With the regulator pulled, pin 1 GND, pin 2 injecting 9V, I get 0.63V on pin 3. Pin 6, 7, 8 produce nothing. The 9v is pulling at 0.03A. When connecting...
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Very well could be, but I can't tell for sure. I checked continuity to the pin all over the unit and never found a point. The datasheet is very specific...
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Mooer Red Truck
Customer brought in a Mooer Red Truck pedal that is confusing the hell out of me. Mooer hasn't been very helpful and has not provided a schematic. The pedal...
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Further update, I don't know if the 80C31 needs any form of programming, but I randomly swapped it with no change in the pedal behavior.
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Good point lol. Unfortunately, they haven't helped me yet. The 8000 is really tough to read, but the 2000 is similar. I really have no idea what I'm...
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Earlier I did trace the LED back to the 80C31, along with the grounding switch pin. The voltage was correct, and the switch pulled to ground properly. I...
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Digitech PDS 8000 & 20/20 issues
I have a Digitech PDS 8000 and a 20/20 and both are really grinding me. Neither work properly. Each have had the electrolytic capacitors changed. The 8000...
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I never found any other examples of a WH-1 not working but having the LED not function. Other blogs of a faulty pedal always seem to have LED function at...
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The datasheet is definitely confusing me even more in relation to the AD-80 circuit. I'm getting nearly 12V on pins 1,4,&6, 0.8V on pin 8, and GND on...
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Ibanez AD-80 repair
I've been pulling my hair for some time on this vintage Ibanez AD-80. Originally it created the effect, but the effect would die off after maybe 30 seconds....
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Unfortunately no. Every so often I go at it again trying to find the issue but I'm not sure what it could be. I really thought it would be the electrolytic...
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The mentioned voltage regulator gets piping hot at 200 F, but it is mounted to the shell so I guess that's alright. It's putting out the correct voltage....
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The crystal is working and from what I can make out on the schematic, I have clocks at several locations....
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