Maker Pro
Maker Pro

Orange Rocker 30, combo, 2006

J

Jeffrey D Angus

Jan 1, 1970
0
Gareth said:
Er, no they are not.

Tube sockets and PCBs have always been a problem.

The trick is to bite the bullet and mount the high power
tubes on the metal chassis and hand wire them to the
rest of the low power stuff on the PCB.

Jeff
 
N

N_Cook

Jan 1, 1970
0
Gareth Magennis said:
Yes, Marshal TSL 100. Sigh. I have had two of these with faulty
PCB's. They do indeed leak, and destroy the output tubes, as the bias
goes totally crazy.
I spent hours on the first one trying to establish what the **** was going
on, as it made no sense whatsoever.


Eventually I phoned Marshall. They know about this problem and are unable
to fix it. You need to replace the PCB with an upgraded design.



Gareth.


Is there any surface appearance hint? slight crazing/discolouration? would a
1000V / 1Gohm insulation tester show anything and is the conductive path in
the bulk or the surface? I've seen this problem with sockets going
conductive but that is due to arcing/localised heating and charring so
somewhat obvious
 
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