Forum dedicated to helping people debug and troubleshoot non-functional pedals or builds. Please use an clear and informative title, indicating circuit and basic problem. Don't forget to mark the issue as fixed if this is the case.
0 Replies
22 Views
Last post by tome.talevski
Today, 05:57
MXR Fullbore Metal is dead. What now?
Replies: 3
by
BassedTaz »
19 Jan 2021, 10:04
Hi guys, I have a dead mxr fullbore. It was working fine, but spent time at various buddy's places and is now totally dead. No LEDs, no sound with...
3 Replies
88 Views
Last post by Manfred
Yesterday, 12:27
2 Replies
97 Views
Last post by plush
16 Jan 2021, 14:49
8 Replies
424 Views
Last post by flpvsk
14 Jan 2021, 19:00
Redraw MXR M108 10 BAND EQ
Replies: 2
by
enterx »
04 Jul 2020, 00:40
I built this circuit and modified it from the MXR M108 Vintage Bluebox. Want to know if it was written correctly?
2 Replies
841 Views
Last post by CheapPedalCollector
12 Jan 2021, 10:23
ADD A+B TO A A/B PEDAL - HELP MODDING
Replies: 7
by
AlvarezAdrian »
30 Dec 2020, 02:09
Rating: 0.43%
Greetings everyone. My name is Adrian and I'm from Argentina.
I have little knowledge about electronics but always wanted to learn, so I got a few...
7 Replies
485 Views
Last post by AlvarezAdrian
10 Jan 2021, 03:37
THING MODULATOR PROBLEM
by
tedsorvino »
04 Jan 2021, 22:39
Hi everyone.
I would like to ask you what do you think could have gone wrong after following this schematic- layout, and having problems with it...
0 Replies
74 Views
Last post by tedsorvino
04 Jan 2021, 22:39
HM-Acapulco-Gold-2 Hum Noise
Replies: 2
by
smileyNK »
02 Jan 2021, 10:58
So I slammed an Acapulco Gold into an HM-2 EQ. I've built this a few times before from the same layout and had no trouble.
There is a constant low,...
2 Replies
449 Views
Last post by smileyNK
03 Jan 2021, 03:07
led weirdness in mxr m89
Replies: 12
by
airfrankenstein »
28 Dec 2020, 12:44
Rating: 0.22%
Hello,
I picked up a used MXR M89 which seems to work properly all but for the led. I pulled the led out of the circuit and tested it independently...
12 Replies
608 Views
Last post by airfrankenstein
02 Jan 2021, 18:03
Big Muff Low Output
Replies: 1
by
urban_winter »
01 Jan 2021, 17:43
I have built a big muff clone. The schematic is The layout is
There are a couple of differences from the schematic:
1. Transistors are BC550C
2. Q1...
1 Replies
295 Views
Last post by plush
02 Jan 2021, 09:00
Low output on T-Rex Squeezer
by
Rik86 »
01 Jan 2021, 16:37
Hi all,
Could you help me out with my T-Rex squeezer? I got it as a defective extra to another purchase, so no idea about its history (wear on the...
0 Replies
315 Views
Last post by Rik86
01 Jan 2021, 16:37
7 Replies
625 Views
Last post by DrNomis
01 Jan 2021, 13:11
2 Replies
204 Views
Last post by airfrankenstein
28 Dec 2020, 18:21
BOSS DS-1 led not lighting up
Replies: 11
by
theblackman »
17 Dec 2020, 12:30
Rating: 0.22%
I have an old DS-1 that I've had for years, everything works fine including switching the effect on and off. The problem is the LED does not turn on...
11 Replies
404 Views
Last post by theblackman
18 Dec 2020, 14:46
better bias pot than alpha?
Replies: 19
by
cspar »
15 Dec 2020, 13:29
Rating: 0.22%
Can anyone suggest a potentiometer that handles being a bias pot without being scratchy while also not being cost prohibitive.
I put together a...
19 Replies
559 Views
Last post by cspar
16 Dec 2020, 23:19
7 Replies
370 Views
Last post by barbarney
16 Dec 2020, 15:20
4 Replies
306 Views
Last post by salin3
15 Dec 2020, 20:51
4 Replies
153 Views
Last post by mauman
15 Dec 2020, 18:05
MXR m151 - blown diodes?
Replies: 4
by
biomadman »
11 Apr 2019, 03:31
Rating: 0.22%
Hi folks,
I do some part-time repair job for local musicians, and recently got 2 MXR m151 double shot distortion pedals - with the exact same...
4 Replies
422 Views
Last post by hemisfeer
05 Dec 2020, 16:46
Lester K trouble shooting
Replies: 3
by
9 volt »
27 Nov 2020, 03:56
Hi there,
I'm trying to fix my Lester k from electro harmonix. Unfortunately they don't give out schematics.
The footswitches work (off/on,...
3 Replies
217 Views
Last post by 9 volt
01 Dec 2020, 10:19
3 Replies
197 Views
Last post by Manfred
01 Dec 2020, 01:52
4 Replies
290 Views
Last post by JiM
27 Nov 2020, 14:47
Diode Identification - 1N4
Replies: 2
by
FeVeR2112 »
22 Nov 2020, 16:33
Rating: 0.22%
I have a diode from a pedal that has markings but not enough for me to nail down what diode it is.
On one side of the barrel is 1N4 , the other side...
2 Replies
188 Views
Last post by FeVeR2112
27 Nov 2020, 01:14
1 Replies
108 Views
Last post by mozz
26 Nov 2020, 23:42
Boss OS-2 Self Oscillating
Replies: 15
by
frexle »
22 Nov 2020, 14:10
Rating: 0.22%
I bought a broken Boss OS-2 and repaired it (I thought) by replacing the M5218AL op-amp. Everything appears to work as it should, except that with a...
15 Replies
525 Views
Last post by frexle
26 Nov 2020, 14:24
Forum permissions
You cannot post new topics in this forum You cannot reply to topics in this forum You cannot edit your posts in this forum You cannot delete your posts in this forum You cannot post attachments in this forum