Behringer VT1951 Tube Ultra-Q repair

[bitrex]

On 06/04/2017 05:58 PM, Phil Allison wrote:

** The only way to explain your results is that there is a low impedance path between the plates of the tube - maybe just after the coupling caps.

So not faulty components, a PCB issue.

Cleaning the area with a good PCB solvent is a sensible first step.


.... Phil

Fixed, cause was crudded up/flaky solder joints on the interconnect
cable header coming from the tube board to the solid state section.

 

[Phil Allison]

bitrex wrote:

----------------

Phil Allison wrote:

** The only way to explain your results is that there is a low impedance path between the plates of the tube - maybe just after the coupling caps.

So not faulty components, a PCB issue.

Cleaning the area with a good PCB solvent is a sensible first step.





Fixed, cause was crudded up/flaky solder joints on the interconnect
cable header coming from the tube board to the solid state section.

** I guess that is the nearest thing to "thanks" I'm gonna get ....


...... Phil

 

[bitrex]

On 06/06/2017 04:24 AM, Phil Allison wrote:

bitrex wrote:

----------------


Phil Allison wrote:

** The only way to explain your results is that there is a low impedance path between the plates of the tube - maybe just after the coupling caps.

So not faulty components, a PCB issue.

Cleaning the area with a good PCB solvent is a sensible first step.





Fixed, cause was crudded up/flaky solder joints on the interconnect
cable header coming from the tube board to the solid state section.



** I guess that is the nearest thing to "thanks" I'm gonna get ....


..... Phil

You're right, that was insensitive of me. Thank you, Phil - if I ever
have a chance to visit that part of the world I'll know where to take my
stuff.

Accents sound kinda funny, though. We all talk like this here:

<https://www.youtube.com/watch?v=bgfDALzpfJU>

Probably sounds wicked retahded to anyone else.

 

[Phil Allison]

bitrex wrote:

----------------

.


Phil Allison wrote:

** The only way to explain your results is that there is a low impedance path between the plates of the tube - maybe just after the coupling caps.

So not faulty components, a PCB issue.

Cleaning the area with a good PCB solvent is a sensible first step.





Fixed, cause was crudded up/flaky solder joints on the interconnect
cable header coming from the tube board to the solid state section.



** I guess that is the nearest thing to "thanks" I'm gonna get ....



You're right, that was insensitive of me. Thank you, Phil - if I ever
have a chance to visit that part of the world I'll know where to take my
stuff.


Accents sound kinda funny, though. We all talk like this here:

https://www.youtube.com/watch?v=bgfDALzpfJU

Probably sounds wicked retahded to anyone else.

** So you are the opinionated talking bear - right ?



...... Phil