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Thread: Yamaha DG Stomp Problem

  1. #1
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    Yamaha DG Stomp Problem

    Distortion mode on my DG Stomp won't work. I bought it recently and when I received it the lithium battery was rolling around inside. I got the battery in place and it worked fine. Yesterday the distortioin mode quit working. Everything else performed great, just plays in clean mode even when switching to distortion no matter what. Likely shipping damage but maybe someone has a suggestin for troubleshooting? Thanks!

  2. #2
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    First, I would check the obvious stuff. Wires, jacks, pots, and switches for bad solder connections, loose wires, burnt or hot spots on the pc board, etc.... You might also try connecting everything with the unit opened and turned on. Take a plastic stick or Popsicle stick and try pressing on the PC board in various locations. Sometimes you can pinpoint a bad solder connection this way. If it suddenly works, reflow the solder on all the connections in this spot.

    If these look OK, get a volt meter and check the voltage at the power supply.

    Reply back here with your results and good luck!!
    CJLectronics

  3. #3
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    Found a bad solder joint and now it's good as new. I'm getting brave enough to tinker so the help is priceless. Thank you!

  4. #4
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    Cool Dg Stomp Problem

    It sounds like you have the pre-amp turned off. Did you check to make sure pre-amp is on? You can bypass the pre-amp so that you can use the stomp purely as an effects device and although the tone controls work somewhat in this format, you can't get any change in the amp types or gain structures. If you need help turning your pre-amp back on let me know.

  5. #5
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    She's up and running perfectly in all modes. Thanks for your input Darth!

  6. #6
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    If you don't mind responding, what was causing the problem? Thanks!

  7. #7
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    Bad solder joint was found. Lucky my friend who is a t5ch had some time to help me look at it and we got it going. Thanks.

  8. #8
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    Great! thanks for letting me know.

  9. #9
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    hi,
    i've another problem
    my exp.pedal out is not working
    i use a brand new FC7..

    is someone familiar with this issue?

  10. #10
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    Pages 21, and 25-27 of the manual explains the Expression Pedal modes, calibration and functions. It probably just doesn't know what you want it to do, yet. RTFM is always a good idea

    Brad1

  11. #11
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    i follow the instruction carefully
    FC7 didn't response at all, anyone knows why?
    FC7 is brand new, i bought DG-stomp @ local pawnshop thou..

    I'm sorry Brad, what is RTFM? (read the following manual?)

  12. #12
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    Quote Originally Posted by nouvelti View Post
    i follow the instruction carefully
    FC7 didn't response at all, anyone knows why?
    FC7 is brand new, i bought DG-stomp @ local pawnshop thou..

    I'm sorry Brad, what is RTFM? (read the following manual?)
    Uh...yeah...yeah, that's it!

    Try to reinitialize it, and start over? BUT, you may want to try to back it up, first, if you've got any settings you want to save. Go to the following site, and you'll have to sign up for a user account. Then, in the "Files" section, you'll find the DG Stomp Editor, in a RAR download. Don't forget to download the instructions, also. You'll need 2 MIDI cables connected to In and Out of both the computer and DG Stomp. You may want this to use anyway, because it's easier to use to change and save settings, than all the sublevels you have to go through with buttons and knobs on the unit.

    http://launch.groups.yahoo.com/group/dg-stomp/

    Anyway, to reinitialize, turn off, hold "Up" and "Manual" and turn on.

    You'll lose any settings you may have entered, but it'll be factory fresh.

    Hope this helps,

    Brad1

  13. #13
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    Quote Originally Posted by Brad1
    Uh...yeah...yeah, that's it!

    Try to reinitialize it, and start over? BUT, you may want to try to back it up, first, if you've got any settings you want to save. Go to the following site, and you'll have to sign up for a user account. Then, in the "Files" section, you'll find the DG Stomp Editor, in a RAR download. Don't forget to download the instructions, also. You'll need 2 MIDI cables connected to In and Out of both the computer and DG Stomp. You may want this to use anyway, because it's easier to use to change and save settings, than all the sublevels you have to go through with buttons and knobs on the unit.

    http://launch.groups.yahoo.com/group/dg-stomp/

    Anyway, to reinitialize, turn off, hold "Up" and "Manual" and turn on.

    You'll lose any settings you may have entered, but it'll be factory fresh.

    Hope this helps,

    Brad1
    Brad,
    Thanks a lot for the info
    let me try it first, I will update this issue soon.
    since I don't have MIDI cable yet
    maybe I'll just wrote those settings in my scrapbook

  14. #14
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    problem solved..
    dg stomp yahoogroups help a lot!
    thanks Brad!

  15. #15
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    Glad to help.

    Brad1

  16. #16
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    I had problems with my DG Stomp too. I traded it for a '69 Fender Bassman head. Problem solved!

  17. #17
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    problems saving the DG stomp

    My DG Stomp was not saving. On the screen appeared the message E-5. According to the manual, this message is low battery.
    I changed the battery and the message disappeared, but now, when you turn the flash LEDs like to reset. He does not save the presets. Does anyone have a suggestion?
    Sorry for some mistakes in words, I'm Brazilian.

  18. #18
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    I picked up a used DG stomp in good physical condition, but the E 5 comes up, so I will change the battery, was wondering if it might cause the mono output to be static noise? The Right side output is fine, no static noise. Anyone have any ideas? Thank you for any input!

    Ed

  19. #19
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    dg stomp enters eternal blinking loop when storing patch

    Hi,
    my trustworhthy 16 year old device is starting to give up

    It works just fine for about half an hour. Then when I try to store a patch it just start blinking all leds and the display. There is no sound and controls do not affect the behaviour of the device. I have to switch it off.

    If I try to start it after half a minute it continues with flashing leds and display. But if I let it be half an hour powerless it is working perfectly again.

    I guess it has something to do with heat: bad connection, dried electrolyte condensator (they are many but they look good) etc. I checked the regulators as well and they seem work fine.

    Does anyone has ideas how to solve this please?

  20. #20
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    Quote Originally Posted by jpeltsi View Post
    Hi,
    my trustworhthy 16 year old device is starting to give up

    It works just fine for about half an hour. Then when I try to store a patch it just start blinking all leds and the display. There is no sound and controls do not affect the behaviour of the device. I have to switch it off.

    If I try to start it after half a minute it continues with flashing leds and display. But if I let it be half an hour powerless it is working perfectly again.

    I guess it has something to do with heat: bad connection, dried electrolyte condensator (they are many but they look good) etc. I checked the regulators as well and they seem work fine.

    Does anyone has ideas how to solve this please?

    Well I changed the quarter sized battery, but beware, you MUST change it with the unit powered ON! Or you will lose all your programs. Be extra careful to not short anything when doing this. The battery should fix the problem, if you have not tried it already. Great pedal and tones, I use mine in the Crunch 1 mode set clean or turn off the amp modeling at times depending if I am using a tube amp (usually turn off modeling), a solid state (always use modeling) amp or PA. (modeling and SIM on). Years ago I used the Lead 2 which is based on a Mesa IIC+ and recorded with the SIM on direct to my computer, it sounded decent considering. But I prefer to set the model mild, at the verge of breakup, that sweet spot, you know? Then use my favorite overdrive for lead tones, works great! Just re-read you post, if the unit stops working still after the battery has been changed, could be a power supply issue. Does it get warmer than usual? Maybe one of the regulator transistors is going or an electrolytic cap. E-caps should be changed every so often and there's a crap load of them in there. It would improve the tone as well like in a tube amp. I changed out some electrolytic caps in a Peavey Bandit and Special, what a difference, the owner was amazed as was I!
    Ed
    goforthsound@yahoo.com

  21. #21
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    Quote Originally Posted by edge59 View Post
    Well I changed the quarter sized battery, but beware, you MUST change it with the unit powered ON! Or you will lose all your programs. Be extra careful to not short anything when doing this. The battery should fix the problem, if you have not tried it already. Great pedal and tones, I use mine in the Crunch 1 mode set clean or turn off the amp modeling at times depending if I am using a tube amp (usually turn off modeling), a solid state (always use modeling) amp or PA. (modeling and SIM on). Years ago I used the Lead 2 which is based on a Mesa IIC+ and recorded with the SIM on direct to my computer, it sounded decent considering. But I prefer to set the model mild, at the verge of breakup, that sweet spot, you know? Then use my favorite overdrive for lead tones, works great! Just re-read you post, if the unit stops working still after the battery has been changed, could be a power supply issue. Does it get warmer than usual? Maybe one of the regulator transistors is going or an electrolytic cap. E-caps should be changed every so often and there's a crap load of them in there. It would improve the tone as well like in a tube amp. I changed out some electrolytic caps in a Peavey Bandit and Special, what a difference, the owner was amazed as was I!
    Ed
    goforthsound@yahoo.com
    Thanks for your answer! I changed the battery and I checked the five regulators outputs to be in range both when the unit is working and blinking. It it vulnerable to start blinking especially when using store function several times: e-caps could be going or then it is something more severe with mainboard busses, CPU and SRAM.

    I have been very happy with the device till now: cleans and crunch especially compared with the rivals. But I have used all models, lately more and more as a spare unit for an all analog rig. But I'm starting to be a bit lazy to drag the heavy load with me so I figured why not go with DG only in rehearsals.
    Changing all caps takes maybe 1-2 hours and I hate to do it if the fault is still there after the job . If I go this way I have to backup settings to computer even this device is pretty fast to tweek.

  22. #22
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    Hopefully it is the simpler to resolve Too bad companies make a great piece of gear and discontinue it. I also have a Magic Stop II, that is great for more ambient effects, pitch shifting and amazing reverbs and delays, ring modulator etc. Allan Holdsworth used several of them at once, but now he is using the Axe Fx II. I had the Ultra, but when they quit supporting it, I was discouraged and sold it. It was a great effects unit, The amp models were not quite doing it for me, though really close, I found the Magic Stomp II could achieve some really organic overdrive and amps sounds that I liked better overall. The Axe Fx II is suppose to be a lot better but I have not heard anything that's that much better. The only guy I know is Larry Mitchell, he can get killer tone from the Axe II! I found just finding an amp model (all clean models are awesome, its the overdriven amp models that I am having issues with. Using a slightly overdriven amp model with a good overdrive pedal thats analog got me closer to what I was looking for but Im kicking myself for letting it go Maybe someday I will pickup the II, but the Yamaha has some very warm, musical sounding products, and is very easy to lug around I understand the programmer programmed by ear and had input from Holdsworth that made an excellent product that still holds its own next to todays gear. Please let me know how it turns out for you, the electrolytics are my first guess or maybe a resistor is drifting out of tolerance after it warms up, this happens with a lot with electronics as you may know. Do you have a schematic? I think I have a file I could send you if you don't have one.

    Ed
    goforthsound@yahoo.com

  23. #23
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    http://bmamps.com/Schematics/Yamaha/DG-Stomp_E.pdf

    Here it is for the sake of posting.
    When the going gets weird... The weird turn pro!

  24. #24
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    Quote Originally Posted by DrGonz78 View Post
    http://bmamps.com/Schematics/Yamaha/DG-Stomp_E.pdf

    Here it is for the sake of posting.
    Great! Thank you kind sir!

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