New member, new Mojotone 5F1 Kit, No Sound - help please!

[CBDBRP]

I'm brand new to this forum and I could use some help from the experts! I just completed my first amp project - Champ 5F1 kit from Mojotone. I powered up and get a bit of hum from the speaker, but no sound, no response to the inputs. I employed the use of a 1/4" speaker jack instead of the kit's RCA and I installed a cathode bypass cap on the first preamp stage. Otherwise, I tried to stick to the layout. I'm a better model builder than electrical engineer, so any input you could give needs to be REALLY dumbed down! Here's some background info.:

I’m enclosing a thumbnail of the layout diagram with my voltages. As you can see, I have some funky high values at the coupling caps and nada at the cathode bypass cap.


Tubes are glowing. The plate voltages at the 12AX7 are 278V. The AC voltage on the green heater wires is 2.9V. B+ at the 6V6 is 344, 358 at the rectifier. I took a bunch of chassis pics. Hopefully my wiring isn’t too messy to make any sense out of it! Any ideas? I suspect I may have a grounding issue with the speaker / input jacks. Any assistance you could lend would be greatly appreciated! Thanks in advance!

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[Enzo]

You have a couple of 100k resistors from your pilot lamp socket to, I assume, ground. They should be 100 ohm resistors instead.

Down at the other end, you have the two plate resistors for the 12AX7 which SHOULD be the 100k resistors, but you have put the two 100 ohm resistors there. You have the 100k and 100 ohm resistors in each others place. The ones on the lamp socket won't hurt anything, but the 100 ohm resistors in the tube circuit will prevent the tube from amplifying.

Fix that and it will likely work.