[AMPS] 77SX

[measures]

>
>Just moved two 77SX's  to Europe. Both react in the same manner-they trip 
>the 
>circuit breaker.
>    Here is what one did today. With the off mode button pressed in, and all 
>the remaining buttons out, and power applied, the off button light went on. 
>After waiting three minutes, pressed the standby button, the circuit breaker 
>tripped. None of the fuses in the Amplifier blew.
>    Any suggestions? 
 
The problem is either in the amplifier or in the 8877s.  
To find out which, high pot the tubes at 8kV and perform the gold-sputter 
test.  / see Figure 24 on my Web site./  More than half of the tube 
failures I have seen were due to loose gold.  

> The house  wiring is 220, with green for ground, single 
>phase, nothing special.

cheers, Al.  

-  Rich..., 805.386.3734, www.vcnet.com/measures.  
end


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