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Old 05-13-2015, 12:03 PM   #1
Franky79
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Problem with Marshall DSL 5C and Ibanez TS9 - help!

Hi All,

I can finally post this outside the "new members" forum.

I am an adult learner - absolute beginner - I went out and purchased a Marshall DSL - 5C and an Ibanez TS9. Problem = as soon as I plug the pedal in a get massive MASSIVE buzz and hum, basically I cannot use the pedal.

It is the same in both channels classic gain and ultra gain!! What's going on?

Is this because the amp is already being driven too hard before I put the TS9 into the loop? Even when the levels are turned all the way down there is still a good level of buzz - if you crack it open even a pinch it sounds like it will blow my amp.

Also tried it through the effects loop - same problem.

Any suggestions?? I am playing a 2013 Gibson Les Paul Standard and everything works fine with my cry baby, BOSS chorus and BOSS distortion pedals.

Any thoughts or comments would be very much appreciated.

All the best,

Frank
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Old 05-13-2015, 12:16 PM   #2
AcousticMirror
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your ts9 is broken
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Old 05-13-2015, 12:31 PM   #3
T00DEEPBLUE
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How are you powering the pedal? Are you just plugging a 9v adaptor straight into the wall? If you are, that may explain the noise. A house's voltage tends to be very 'dirty' and have a lot of background noise, and that noise is being amplified.
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Old 05-13-2015, 12:36 PM   #4
flexiblemile
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Quote:
Originally Posted by T00DEEPBLUE
How are you powering the pedal? Are you just plugging a 9v adaptor straight into the wall? If you are, that may explain the noise. A house's voltage tends to be very 'dirty' and have a lot of background noise, and that noise is being amplified.


In that case, wouldn't the other pedals suffer just as much?


I guess he could be using a few different power sources.... It's possible, I suppose
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Old 05-13-2015, 01:24 PM   #5
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Quote:
Originally Posted by flexiblemile
In that case, wouldn't the other pedals suffer just as much?
About as much, but so much buzz wouldn't come from a properly working pedal.

TS, try different cables.
If the result with other cables' the same have your TS-9 substituted.
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Old 05-13-2015, 02:55 PM   #6
Franky79
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Thanks everyone for your thoughts.

I have tried different cables and same effect.

I run all my pedals with a 9V battery - nothing off the mains circuits.

I did pull the pedal apart today and it seems as though the temperature fuse has partially blown - I think it may be the problem.

If I upload a pic can someone confirm for me?

Thanks
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Old 05-13-2015, 03:06 PM   #7
flexiblemile
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if you bought it recently, bring it back to the store and DON'T tell them you opened the pedal. It might have voided the warranty.

It's not working, you don't know why and you want another one
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Old 05-13-2015, 03:11 PM   #8
Franky79
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Quote:
Originally Posted by flexiblemile
if you bought it recently, bring it back to the store and DON'T tell them you opened the pedal. It might have voided the warranty.

It's not working, you don't know why and you want another one



...sorry I should have mentioned the amp was from a store but the pedal was from ebay.....so I partially to blame for the pedal. I will try an fix or resell for spares.
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Old 05-13-2015, 03:16 PM   #9
flexiblemile
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and it never worked? To be honest, I never used ebay but I'm sure there is some sort of protection to the consummer. What country are you in? We can help you find it. Also yes, might as well post your pics
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Old 05-13-2015, 03:16 PM   #10
Roc8995
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Quote:
Originally Posted by Franky79
I did pull the pedal apart today and it seems as though the temperature fuse has partially blown - I think it may be the problem.

If I upload a pic can someone confirm for me?

Thanks

Give us a picture, but there are no fuses on the TS9. Did you maybe blow the diode next to the 9V input?
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Old 05-13-2015, 04:02 PM   #11
Franky79
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Quote:
Originally Posted by Roc8995
Give us a picture, but there are no fuses on the TS9. Did you maybe blow the diode next to the 9V input?



ok thanks - I have cropped a picture of the circuit that looks bad - this small fuse (i think is a thermal fuse but maybe not) seems to be split and the board around it looks scorched. May be partially blown - what does everyone think?

Any idea what this particular part is and where I can get a replacement?

Thanks

Frank
Attached Images
File Type: jpg TS9.jpg (31.7 KB, 22 views)
File Type: jpg ts9-2.jpg (29.2 KB, 19 views)
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Old 05-13-2015, 04:22 PM   #12
Roc8995
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Yup, that's the diode I was talking about. It's supposed to blow if the wrong power supply is used.
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Old 05-13-2015, 04:34 PM   #13
Franky79
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Quote:
Originally Posted by Roc8995
Yup, that's the diode I was talking about. It's supposed to blow if the wrong power supply is used.


ok...strange it must be a partial blow-out because the pedal still has power but sound like trash.

Any idea what this particular part is and what its rating is? I guess I can pic up a replacment at a local electrical store. I have a soldering iron so can easily swap it out if I know what the diode specs are.

Any ideas? I cannot read circuit diagrams so dont know which component it is.
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Old 05-13-2015, 04:45 PM   #14
Roc8995
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It's a 1N4002 but you can use any 1N4 diode. Cheap part, easy replacement. If it doesn't work after replacement you've probably got a brick
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Old 05-13-2015, 04:46 PM   #15
Franky79
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Quote:
Originally Posted by Roc8995
It's a 1N4002 but you can use any 1N4 diode. Cheap part, easy replacement. If it doesn't work after replacement you've probably got a brick


That's great. Thanks Roc!
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Old 05-18-2015, 07:17 PM   #16
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Quote:
Originally Posted by Franky79
That's great. Thanks Roc!



...........ok so I replaced the diode and still the same problem.

I have noticed another feature of this problem when the pedal is not on the feedback is MASSIVE however when I press the button the level of feedback is significantly reduced.

Any idea what may be causing this?

Another part I need to replace?

Why would feedback be higher with the pedal turned off?
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Old 05-18-2015, 07:21 PM   #17
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Quote:
Originally Posted by Franky79
...........ok so I replaced the diode and still the same problem.

I have noticed another feature of this problem when the pedal is not on the feedback is MASSIVE however when I press the button the level of feedback is significantly reduced.

Any idea what may be causing this?

Another part I need to replace?

Why would feedback be higher with the pedal turned off?

Send it back, ebay protects you and you will either get your money back or a pedal that works. contact the seller or contact ebay if the former gets you no where
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Old 05-19-2015, 06:54 AM   #18
Franky79
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Quote:
Originally Posted by Robbgnarly
Send it back, ebay protects you and you will either get your money back or a pedal that works. contact the seller or contact ebay if the former gets you no where


If I can I would like to repair it.....purchased knowing it was damaged. Anyone had a similar problem or a have a good level of circuit knowledge that can diagnose. I actually have a voltmeter to do diagnostics on any components if it would help.

As the diode was blown perhaps the incorrect power adapter also destroyed another component. Visual inspection however doesn't show an obvious component that is the problem.
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Old 05-19-2015, 10:25 AM   #19
Roc8995
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Quote:
Originally Posted by Franky79
If I can I would like to repair it.....purchased knowing it was damaged.

It took 18 posts to mention that little tidbit, huh? You bought a brick. Sorry.

The point of that diode is to blow to prevent the pedal from getting turned into no-longer-a-pedal when you use the wrong adapter. If it didn't do its job you're basically starting from scratch where the circuit is concerned. Repairing it will probably involve replacing a bunch of parts, "shotgunning" instead of diagnosing. It's just not worth guessing at possible single part failures when a pedal gets nuked like that.

Not saying it can't be done, it's just more of a Darth Vader transformation than a hip replacement, with costs to match. What you bought was not a TS9, you bought a footswitch and a green enclosure.
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Old 05-19-2015, 01:41 PM   #20
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Quote:
Originally Posted by Roc8995
What you bought was not a TS9, you bought a footswitch and a green enclosure.


Yup.
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