|
Wes:
On the 10L43, vertical problems usually come from:
Bad .0015 at 1KV - feedback cap
Bad .1 at 400 volt - coupling cap
Bad 6DR7 Tube
Bad Height Pot
Bad Vert Lin control
Bad .0068 at 400 volts - discharge cap
Bad .022 at 400 volts - Buffer
Bad 30 6030-7 RC Integrator network
Bad 1.5 meg plate resistor
Bad 30-6509-1 coupling network
Bad 100K 1Watt resistor - Buffer
Bad Tube socket
In the order listed
Leave the fuse as is. When it goes bad, you'll know.
Clean the tuner with any standard tuner cleaner. Just spray it in , rotate the tuner a few times and let it dry. Aim for the switch contacts. Lube the tuner detent with Lubriplate or a small amount of white grease.
Don
|