Mic Kaczmarczik's Vibrato Tick Svc Bltn 9 Information

Vibrato Tick Svc Bltn 9


Fender

Vibrato Tick Svc Bltn 9

This directory contains USENET articles Mic has saved about guitars, equipment, pickup, techniques, players, and so on. Mic has graciously granted permission to post the stuff on the JT30 page on the off chance that it might be useful in the context of Blues Harmonica. Mic is not responsible for the content, just the collection.

Fender

Vibrato Tick Svc Bltn 9
From mutantmoose*nospam--(at)--orldnet.att.net Mon Jan 26 18:49:12 CST 1998
Article: 82232 of alt.guitar.amps
From: "Mutantmoose"
Newsgroups: alt.guitar.amps
Subject: Re: Deluxe Reverb vibrato noise help!
Date: 25 Jan 1998 16:42:38 GMT
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The official Fender solution (Service Bulletin number 9)
"The ticking cuased by the Vibrato is caused by improper lead dress.


It can almost be "cured" by connecting a .01 mfd 600 volt mylar capacitor
on the 10 meg ohm resistor in the vibrato circuit. this resistor is located
on the parts panel. Remove capacitor across the 10 meg ohm resistor (old
modification) if in place."


(That is, run the cap from the junction of the 10 meg resistor and the
optoisolator to ground.)


"If this does not produce the desired results, then the leads shoul dbe
dressed as follows and excessive lengths shortened.


1. Dress the leads to the vibrato speed and intensity controls away from
the tone controls and filter leads.


2. "Bunch" the leads to the components on the parts panel which connect to
the tube socket of the 7025 (12AX7) vibrato tube."


Hope this helps!


Mark


mutantmoos--(at)--orldnet.att.net-nospam
you know the routine, remove -nospam to reply


Mike wrote in article
<01bd2917$fce080c0$5b775ac--(at)--ike>...
> I just picked up an older (blackface) Fender Deluxe Reverb. There is a
> slight "ticking" noise associated with the vibrato circuit. The "ticking"
> changes with the speed pot. I figure it might be a 12AX7A tube that's
going
> bad, or a bad capacitor. This amp has one of each - volume, treble, bass,
> reverb, speed, and intensity knob, on the vibrato channel. The normal
> channel has 3 knobs, volume, treble, and bass. I picked up this amp at
the
> Columbus, Ohio Winter Guitar Expo last week. It's in "WELL USED" shape,
but
> it has the tone! I'll need to pick up as book of schematics for Fender
amps
> (I also have a silverface VibroChamp and a SS Harvard Reverb II), can
> anyone offer a suggestion on which publication to get?
> In case your interested, I paid $400 with foot switches and cover.
>
> Thanks,
> Mike
> (NO_SPAM)cybermg--(at)--rinet.com
>
>
>
>





 

Index:

1974 prices
3 Spring Reverb Tanks
3 Wire Cord installation
5R4 not enough current
5V4 in BF Deluxe
6550s in Super
68 Princeton Rectifier
68 Super Reverb
6L6 in Champ Again
6L6 in Deluxe LV
6L6 in Deluxe Reverb
6SC7 to 12AX7
6V6 In 6L6 Amp Test
6V6 in Showman Test
6V6s in Super
AA vs AB 763
AA763 vs AB763
Alternative Switches
Bad Fender Mods
Bandmaster Cathode Bias
Bassman 10 info
Bassman Head Running 2ohms
Beef Up Tweed Champ
Birth of Fender Reverb
Blackface Cabinet Dates
Blackface Pro
Blame UL
Blues Deluxe review
Brown Bassman Transformers
Brownface Trem Pulse
Brownface Tremolux Cabinets
CBS Deluxe Reverb Changes
Champ 8ohms
Champ problems
Champ speakers
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Choke Specs
Clean Ckt Board
Concert Head Footswitch
Dead Amp Checkout
Deluxe Cathode Bias Mod
Deluxe reissue vs original
Deluxe Tweed vs BF
Design Eras
Detailed AB568 test
diy
Dr Z Harp Amp Mods
Early Blackfacing
Ed Jahns Xformers
Eyelet Board Problems
Faceplate Restoration
Factory Mistakes
Fender 6V6 Overvoltage
Fender AA568 circuit
Fender Alternative Footswitches
Fender Amp Covering
Fender Amp Dating
Fender amp tremolo
Fender Amp Tremolos
Fender bad Supers
Fender BF Bassman mods
Fender BF SF changes
Fender Bias Pot Failures
Fender Bias Schemes
Fender Blackface
Fender Blues Deluxe Settings
Fender brownface topology
Fender Cap Replacements
Fender Channel Coupling Caps
Fender Combo Reverb trick
Fender Concert Reissue
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Fender Correct Tubes
Fender coupling caps
Fender decrease reverb mix
Fender Deluxe Power Trans
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Fender Grill Cloth
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Fender Reverb FX loop
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Fender Reverb Transformer
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Fender SF vs BF
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Fender Super 60 price
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Fender The Twin
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Fender VibroVerb
Fender Was Dumb
fender
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More Pro Reverb
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PA 100
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Princeton Adjustable Bias
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Princeton PI Headroom
Princeton PI Heater Cathode v
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Princeton Reverb Power
Princeton Reverb Tweaks
Princeton tone bypass
Princeton Vs Deluxe
Princeton with 5881s
Pro Reverb baffles
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Pro Reverb Orig Speakers
Pro Reverb Parts
Pro Reverb Questions
Pro Reverb Speakers
Pro with a 15
Proper Blackfacing
Pull Boost Failures
Red Knob Twin problems
Reduce Champ Screen Voltage
Replacing Glued Baffles
Restoring Grille Cloth
Reverb Amp Effects Loop
Reverb Fixes
Reverb Pan Bottom
Reverb Trans Specs
Reverb Unit Mods Page
RI Bassman Mods
Rivera Designed Fenders
Scrape Vibrato Pot
Screen Resistors
SF Deluxe mods
SF Deluxe Reverb Questions
SF Reverb Cathode Resistor
SF Vibrolux Changes
Shielding Plate Problems
Showman vs Twin
Silverface Changes
Silverface Pro Reverbs
Small Trannys Sometimes Better
Super Champ 6C10
Super Molestation
Super Too Much Bass
Tolex Repairs
Tremolo Tick Tips
Tweed Champ Filter Caps
Tweed Deluxe Bypass Cap
Tweed Deluxe Transformers
Tweed Twins
Twin Reverb History
Twin Reverb overdrive
Twin Reverb Variants
Vibrato Click Fixes
Vibrato Tick Svc Bltn 9
Vibro King fat switch
Vibro King info
Vibroverb tone
What is Hi Pot
What Makes Fender Sound
What Was Ice Cube
Why 68K Input Resistors
Why No More Cloth Wire
Why Silverface Changes

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