07-20-2013, 04:30 PM
Vic,
Nice troubleshooting...yes pin 5 of both 7B7's are shown tied to the cathodes of the respective tubes which are at B- per the schematic. Check your 1st. IF to verify it is also wired the same if you haven't done so...probably you have. Who would've thunk! John
Nice troubleshooting...yes pin 5 of both 7B7's are shown tied to the cathodes of the respective tubes which are at B- per the schematic. Check your 1st. IF to verify it is also wired the same if you haven't done so...probably you have. Who would've thunk! John