Just picked up sca35 all tubes power up except one 7199 . I have tried swapping positions ,same problem. Any ideas where to start tracing problem .
Thank you
Thank you
4 posters
Dynaco SCA-35 help
Babgrip- Posts : 32
Join date : 2013-01-30
Age : 63
Location : Jax FL
peterh- Posts : 1869
Join date : 2012-12-25
Location : gothenburg, sweden
What do you mean with "power up" ? Is the filament not glowing on one 7199 ?
Is it located to the socket or does it follow the 7199 ?
Is it located to the socket or does it follow the 7199 ?
sailor- Posts : 269
Join date : 2011-04-04
If you mean one socket then leave the tube out and test to see if you have filament voltage. [Must test from the top to find out if it is rust inside] If you do not have voltage it must be the socket or a wire [solder joint] between the 2 boards.
Babgrip- Posts : 32
Join date : 2013-01-30
Age : 63
Location : Jax FL
Checked voltages at both 7199 tube sockets both check out ok. Swapped out the 12ax7's with different set of tubes . Problem solved
Thank you for help.
Thank you for help.
sKiZo- Posts : 1530
Join date : 2013-04-01
Location : Michigan USA
'Twere all life's problems be so easily solved ...