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Author Topic: Trouble in preamp land!  (Read 6558 times)

Offline mcloud10

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Trouble in preamp land!
« on: September 09, 2009, 05:34:56 PM »
Rats!

  Just when all was going so well, I hit a speed bump (I hate those things!).  My WT-92 Tuner/Preamp quit!  After much searching in the archives and online, I've come to the conclusion that no one knows what's up with these things.

  However, I think I found the problem...

  Symptom:  Tuner does not work when turned on.  The middle green LED flashes, and it will select all strings.  It will not identify or tune.

  Symptom:  Preamp has no output.

  Diagnosis:  When tapped on the corner of the saddle, the tuner will suddenly come alive and work, albeit for only a very short time - enough to tune maybe one string.  It will then stop working and flash the green LED again.  I haven't checked preamp operation under similar circumstances.

  Conclusion: Piezo pickup is bad (open).  The unit knows this and flashes indicating a disconnected pickup (in this case open).

  Anyone run into this?  If the vendor I bought the guitar from (it is a B-stock) won't do anything I'm going to get a new preamp pickup only.  Any idea what the brand/model for the PICKUP ALONE is?  There are many on E-bay.

Thanks for any and all help,

Mark

-------------------
Washburn W240
Washburn D10SCE
Sivertone Model 319
Ibanez DCL St.Chorus 1985
Rocktron Compressor
DiMarzio Acoustic Pickup
Lots of Smiles ;)
-------------------
'71 Yamaha FG-300 (in restoration)
'73 Washburn W240
'08 Washburn D10SCE
'08 Washburn D10QBK (Son's)
'09 Washburn C104SCE Classical (Son's)
'10 Washburn WC150SW Classical
Washburn Rover RO20 Travel Guitar
Behringer ACX450

Offline BobinNJ

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Trouble in preamp land!
« Reply #1 on: September 09, 2009, 09:57:22 PM »
Mark,
I'd get it back to the seller first, and see what he will do.  There's a good chance he'll step up to the plate and make it right for you. Good luck.

Bob
 

Offline LAPetrarca

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Trouble in preamp land!
« Reply #2 on: September 10, 2009, 06:04:01 AM »
Mark,

Congrats on the new guitar!

I'm assuming this is a recent purchase?  If you got it from the same B stock dealer that I got my D52SW, try contacting them.  I know the dealer gets alot of bad rep around here but honestly, speaking strictly for myself and my situation, when I notified him of a problem, he offered to make it right.  We negotiated a deal and he promptly and courteously lived up to his end of the bargain.

Try it.  He might help you out too.  Be curious to see how you make out!

Washburn D52SW - Timbercraft Brigade
Washburn DM2000S Ltd. Ed. - Millenium Brigade
Washburn D10SCEB
Washburn M4 mandolin
Washburn M1SDL mandolin
Epiphone AJ100VS
Carlo Robelli J220-VS
Guild Pilot Bass
Michael Kelly Firefly 4-string fretless A/E Bass
Squier Vintage Modified fretless Jazz Bass
Washburn D10SCEB
Washburn WG16SCE
Seagull Entourage Rustic Mini Jumbo
Rover RM-35 Mandolin
Guild Pilot Bass
Squier Franken P Bass
Squier Vintage Modified fretless Jazz Bass
Michael Kelly Firefly 4-string fretless A/E Bass

Offline mcloud10

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Trouble in preamp land!
« Reply #3 on: September 10, 2009, 07:38:19 AM »
Thanks!

  Yes, I contacted the dealer the same day I bought it.  He responded via email and forwarded my message to his tech department.  We'll see where that takes us.  Again, man I really like this guitar!

Mark

-------------------
Washburn W240
Washburn D10SCE
Sivertone Model 319
Ibanez DCL St.Chorus 1985
Rocktron Compressor
DiMarzio Acoustic Pickup
Lots of Smiles ;)
-------------------
'71 Yamaha FG-300 (in restoration)
'73 Washburn W240
'08 Washburn D10SCE
'08 Washburn D10QBK (Son's)
'09 Washburn C104SCE Classical (Son's)
'10 Washburn WC150SW Classical
Washburn Rover RO20 Travel Guitar
Behringer ACX450

Offline mcloud10

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Trouble in preamp land!
« Reply #4 on: September 10, 2009, 10:16:50 AM »
OK, I checked the preamp output today, and it is as I suspected.  The pickup is bad.  I can tap the saddle and the preamp will joyfully work!  All-of-a-sudden it will quit again - until I tap it again.  Definitely the pickup in the saddle.

I'm still waiting on a reply from the dealer...

Mark

-------------------
Washburn W240
Washburn D10SCE
Sivertone Model 319
Ibanez DCL St.Chorus 1985
Rocktron Compressor
DiMarzio Acoustic Pickup
Lots of Smiles ;)
-------------------
'71 Yamaha FG-300 (in restoration)
'73 Washburn W240
'08 Washburn D10SCE
'08 Washburn D10QBK (Son's)
'09 Washburn C104SCE Classical (Son's)
'10 Washburn WC150SW Classical
Washburn Rover RO20 Travel Guitar
Behringer ACX450

Offline mcloud10

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Trouble in preamp land!
« Reply #5 on: September 13, 2009, 10:23:59 PM »
I'm home from an extended weekend vacation (yes, I took my new Washburn with me AND played it!) from Taum Sauk Mountain in Missouri, and I took the saddle apart to look at the pickup.

I can manipulate it and make it start working and then go open, in which case the green LED blinks.  BTW, the green LED blinks when I unplug it too, so all of you with WT-92 preamps, you know when you have an open or disconnected pickup - the green LED will flash.

Here's a pic of the piezo sensor, evidently a Fishman design (or a copy Chinese version).



I found one on Ebay, but it ships from China (ugh!).  Probably my only option.  I haven't heard back from the seller since I told him I found the problem.  Trouble is, he's probably going to want to see the guitar for himself before (or IF) he warranties anything.  That would cost either shipping (both ways) or a trip up there.  In any case, I'm money ahead to just buy this pickup and stick it in the guitar.

I'll keep all of you posted of my progress...

Mark

-------------------
Washburn W240
Washburn D10SCE
Sivertone Model 319
Ibanez DCL St.Chorus 1985
Rocktron Compressor
DiMarzio Acoustic Pickup
Lots of Smiles ;)
« Last Edit: September 13, 2009, 10:25:44 PM by mcloud10 »
-------------------
'71 Yamaha FG-300 (in restoration)
'73 Washburn W240
'08 Washburn D10SCE
'08 Washburn D10QBK (Son's)
'09 Washburn C104SCE Classical (Son's)
'10 Washburn WC150SW Classical
Washburn Rover RO20 Travel Guitar
Behringer ACX450

Offline mcloud10

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Trouble in preamp land!
« Reply #6 on: September 15, 2009, 12:12:10 AM »
Progress...

  I went ahead and replaced my strings yesterday.  I re-used the old pickup, but I repositioned it under the saddle.  Guess what?  It works 95% of the time, now!  The tuner blinks until I strum, then locates the string.  I suppose the saddle is pressing the open lamination together somehow.  HA!  When plugged into an amp it plays - I can't tell if it's cutting out or not.  I'm still going to replace the pickup, but now I have some time to order one.  I'll probably change it at my next string replacement.

  BTW, I used Martin Marquis light gauge strings.  They sound nice on this guitar!

Mark

-------------------
Washburn W240
Washburn D10SCE
Sivertone Model 319
Ibanez DCL St.Chorus 1985
Rocktron Compressor
DiMarzio Acoustic Pickup
Lots of Smiles ;)
-------------------
'71 Yamaha FG-300 (in restoration)
'73 Washburn W240
'08 Washburn D10SCE
'08 Washburn D10QBK (Son's)
'09 Washburn C104SCE Classical (Son's)
'10 Washburn WC150SW Classical
Washburn Rover RO20 Travel Guitar
Behringer ACX450

Offline bluegrassflatpicker

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Trouble in preamp land!
« Reply #7 on: September 15, 2009, 04:26:18 AM »
Use caution when dealing with anyone from China off Ebay. I have had nothing but bad luck when buying anything from China. They like to get your money and you get the shaft. This may not always be the case but the two times I bought from over there it was the case. I would go to a Washburn dealer and see if they can order one for you. Just my opinion.
 

Offline mcloud10

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Trouble in preamp land!
« Reply #8 on: September 15, 2009, 08:03:51 AM »
Yea, I have my reservations, too.  I'll check into the Washburn option.

Mark

-------------------
Washburn W240
Washburn D10SCE
Sivertone Model 319
Ibanez DCL St.Chorus 1985
Rocktron Compressor
DiMarzio Acoustic Pickup
Peavey Backstage Amp
Lots of Smiles ;)
-------------------
'71 Yamaha FG-300 (in restoration)
'73 Washburn W240
'08 Washburn D10SCE
'08 Washburn D10QBK (Son's)
'09 Washburn C104SCE Classical (Son's)
'10 Washburn WC150SW Classical
Washburn Rover RO20 Travel Guitar
Behringer ACX450

Offline mcloud10

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Trouble in preamp land!
« Reply #9 on: September 18, 2009, 01:39:17 PM »
Great news - well, potentially!  I spoke to the seller and he is looking in to getting a pickup from Washburn.  I don't know the particulars, and it's not a done deal yet, but if this works out I will have a new pickup no cost to me.  Hubba, hubba!

BTW, I'm enjoying this guitar immensely. :)

Mark

-------------------
Washburn W240
Washburn D10SCE
Sivertone Model 319
Ibanez DCL St.Chorus 1985
Rocktron Compressor
DiMarzio Acoustic Pickup
Peavey Backstage Amp
Lots of Smiles ;)
-------------------
'71 Yamaha FG-300 (in restoration)
'73 Washburn W240
'08 Washburn D10SCE
'08 Washburn D10QBK (Son's)
'09 Washburn C104SCE Classical (Son's)
'10 Washburn WC150SW Classical
Washburn Rover RO20 Travel Guitar
Behringer ACX450

Offline LAPetrarca

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Trouble in preamp land!
« Reply #10 on: September 22, 2009, 12:46:48 PM »
That would be great!  Let us know how you mzke out.  I, for one, would be very interested!



Washburn D52SW - Timbercraft Brigade
Washburn DM2000S Ltd. Ed. - Millenium Brigade
Washburn D10SCEB
Washburn M4 mandolin
Washburn M1SDL mandolin
Epiphone AJ100VS
Carlo Robelli J220-VS
Guild Pilot Bass
Michael Kelly Firefly 4-string fretless A/E Bass
Squier Vintage Modified fretless Jazz Bass
Washburn D10SCEB
Washburn WG16SCE
Seagull Entourage Rustic Mini Jumbo
Rover RM-35 Mandolin
Guild Pilot Bass
Squier Franken P Bass
Squier Vintage Modified fretless Jazz Bass
Michael Kelly Firefly 4-string fretless A/E Bass

Offline mcloud10

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Trouble in preamp land!
« Reply #11 on: October 05, 2009, 01:55:25 PM »
No dice.  We gave Washburn the serial number, but obviously, since it's a B-stock, they said no.  They will sell me one, however.  The dealer isn't going to do anything about it, either, it seems.

I'm on my own on this one.  Maybe it's time to upgrade to a B-band? :)

BTW, it still works 99% of the time since I repositioned it.  I still hear it cut out, albeit only for very short times and only when it's not being played.

Mark

-------------------
Washburn W240
Washburn D10SCE
Sivertone Model 319
Ibanez DCL St.Chorus 1985
Rocktron Compressor
DiMarzio Acoustic Pickup
Peavey Backstage Amp
Lots of Smiles ;)
« Last Edit: October 05, 2009, 01:58:01 PM by mcloud10 »
-------------------
'71 Yamaha FG-300 (in restoration)
'73 Washburn W240
'08 Washburn D10SCE
'08 Washburn D10QBK (Son's)
'09 Washburn C104SCE Classical (Son's)
'10 Washburn WC150SW Classical
Washburn Rover RO20 Travel Guitar
Behringer ACX450

Offline Gitfiddle

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Trouble in preamp land!
« Reply #12 on: November 01, 2009, 03:30:47 PM »
I am gonna go and look at a used Fender red knob.  I have one (Fender 85) and the one I will look at is Deluxe 85.  Just in case something breaks down on one I have a hot spare.  I have been looking a NEW amps and they are such junk (and salesmen do not know how to put them on clean with reverb .. the kids mess them up) and they are way to expensive (but I think after Christmas there are going to be some serious inventory adjustments). Guitar Center is just a place for hyper-active teenagers these days.  The boutique shops sell nothing UNDER $500 and want MSLP for everything.  So if you want to deal it's Craigs List or EBay or the Internet. It is not hard to spend a FORTUNE on musical electronics (and apparently the vendors are  doing great -- they do not bend).
« Last Edit: November 01, 2009, 03:32:21 PM by Gitfiddle »