New ROCKET, from a newbie :)

[DocJames]

Hi all, I'm happy to say that I've got this thing up and running again. I brought home a tiny mirror from the office and had a look underneath. Low and behold the wire had disconnected to B+4. Boy was that fun to put back in, with everything else connected already. I had my wife holding the mirror and got the thing teased back into place, and re-soldered.

I learned a valuable lesson about not soldering on the circuit board while its connected in place. Fischerman, I'll look at that resistor value when I get home to confirm. The B+3, 4, and 5, are stilling running a bit high in comparison to the agreed upon values, so maybe thats causing some of that. Also, I noticed the PT DC voltages coming into the GZ34 were running a bit hot, around 350 on 2 and 8, as opposed to the 294 expected. Is that a concern?

James

[Cliff Schecht]

That's a bit high yes. Are you running a transformer made for 117V on a modern wall voltage closer to 125? This is enough difference to give you at least 20V over. The other thought is that you are using a modern 5AR4 rectifier which doesn't give you as much voltage drop as a NOS one.. What transformer are you using?

Also from what I can tell all of the plate resistors are 100k, I don't see the 10k mentioned above.

[Fischerman]

Hi all, I'm happy to say that I've got this thing up and running again. I brought home a tiny mirror from the office and had a look underneath. Low and behold the wire had disconnected to B+4. Boy was that fun to put back in, with everything else connected already. I had my wife holding the mirror and got the thing teased back into place, and re-soldered.

I learned a valuable lesson about not soldering on the circuit board while its connected in place. Fischerman, I'll look at that resistor value when I get home to confirm. The B+3, 4, and 5, are stilling running a bit high in comparison to the agreed upon values, so maybe thats causing some of that. Also, I noticed the PT DC voltages coming into the GZ34 were running a bit hot, around 350 on 2 and 8, as opposed to the 294 expected. Is that a concern?

James

That makes sense looking at the voltage chart. Couldn't understand why you had those voltages if B+ was connected everywhere. When doing those underboard wires, make sure to curl some wire up and around the eyelet/turret so it's sort of 'locked' in place and can't fall out.

I think my eyes were playing tricks on me, that resistor looked brown/black/orange earlier but looks brown/black/yellow now. Sorry for any confusion.