Boss ME-50 issue

[stevenrb718]

Boss ME-50, originally with no power. Found voltage rails but seemed to be missing the 3.3V. Replaced a couple blown capacitors, a blown transistor, and...

[stevenrb718]

Anybody have any thoughts on FM4 that won't kick on? Had a short on the 3.3V line that located to the 56364 IC at U2. Replaced the IC and seem to have proper...

[stevenrb718]

Boss FRV-1, bypass works, effect signal works. However, when the effect is on, there is also a repeating, pulsing sound continuously. The sound is similar...

[clarisso11]

Hi everyone,

I've been working on repairing a Boss DD3 delay, here is the service manual: https://www.synthxl.com/wp-content/uploads/2018/04...

[stevenrb718]

I took in a buddy's TS-1 Tremolo that's giving me a hell of a time. At this point I'm more annoyed by it, and just bugged to figure out the issue. The intensity...

[clarisso11]

Hi everyone,

I'm currently working on an EHX Small Stone Phaser, made ~1980. I think this is close to the "Issue J" circuit, with "EH1048"...

[clarisso11]

Hi everyone,

I've been working on an Arion SCH-1 chorus pedal from the 80s. It had a sketchy footswitch, so I decided to convert the whole thing...

[stevenrb718]

Does anybody have the schematics for the Guyatone PS-024 Disortion H pedal? Something in the back end is almost totally shunting my effect signal.

[TwinJunior]

Help please! My reverb channel doesn't seem to be working properly. I can hear the reverb responding when i tap on the tank but it's not affecting the guitar...

[stevenrb718]

Anybody have the schematic for the Yamaha DSC-20M chorus pedal? Pedal works under battery, but plugging adapter in kills all life; D2 diode also does not...

[Jaoon]

Hey Guys,

so i finally tried to fix my old Valvestate vs100. Iam far away from an Expert. I can repair my guitars and stuff but never tried...

[clarisso11]

Hi everyone,

I'm working on repairing a 1981Ibanez CP9 compressor pedal, with a very strange problem: It works seemingly perfectly when turned...

[clarisso11]

Hi everyone,

I am currently working on repairing yet another Electro-Harmonix Electric Mistress, after having repaired one in the past with the...

[clarisso11]

Hi everyone,

I've been working on repairing a version 2 Boss DM2 analog delay, service manual attached. After sorting out a short at the potentiometers,...

[phos81]

hi,

I'm building a customized guitar pedals switch. I tried two different kinds of relays, first I tried with the TQ2-5V-3 Panasonic Low Signal...

[clarisso11]

Hi everyone,

I've been working on repairing an original Ibanez FL-9 Flanger, and I'm quite stuck, to say the least. Here are the symptoms:

• Only

...

[bananaguitar]

Hey guys,

I've just turned on my '65 Deluxe Reverb and it has a very loud buzz to it now. Tried changing power source incase it was dirty power,...

[clarisso11]

Hi everyone,

I've been tinkering with some mods on a Boss DD-3, replacing the direct out jack with a normally closed stereo jack (effects loop...

[clarisso11]

Hi everyone,

I've been working on repairing a Ibanez PT-9 Phaser, and have already made a lot of progress, thanks to help from this forum!...

[clarisso11]

Hi everyone,

I've been working on repairing an old Ibanez PT9 phaser (service manual attached). The unit had leaking capacitors and damaged tracks,...

[clarisso11]

Hi everyone,

I'm currently working on a 1978 V5 Electro-Harmonix Electric Mistress. Thanks to the help of this forum, I have already made a lot...