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Ok I'll do some research. Thank you.
Signal tracing it is. What's the best method of this?
Finally made it around to the AC test. With my multimeter set to AC 200V, 1khz at input, and the dial/button settings on the fender schematic, I...
Ok, thanks for clarifying. Yes, the signal is making it there. I should be able to do the AC test later this week.
Thanks for the advice on the signal. I'll see if I can test using the Fender schematic AC test.
I'm not clear on what we wanted to check...
What I mean is connectivity to the back of the pot.
How do you create a 1kHz signal?
Also I measured connectivity from the input tip connection to the normal volume pot and got connectivity....
So, I should measure connectivity between the input and the drive pot? The drive channel is working great - it’s the clean channel that is weak...
Yeah I saw the signal generator marking on the schematic. I don’t know what I should use for that. Should I set up some constant frequency on a...
U1 is reading 12.8 pin4, -13.5 pin 8. The others are all reading about 14.8/-15.3
One of these things is not like the others!
Ok, my meter does have a diode test setting. I measured d9 in both directions, as I can’t tell if it is supposed to be forward or reversed...
I can tell you my readings for r51, r49, and d9 were all with the side closest to the pots first, and side furthest from the pots second.
Ok measured D9
It measures 0/-.62
I’m sorry I’m not clear about which side is which when looking at the schematic.
Can't thank you enough Corliss. I'll be back to the amp tomorrow.
Got readings on both sides of R51/R49
R51 - -.62/-.48
Thanks, I will check. The amp is at my practice space, I should get an opportunity this weekend.
Interesting test results. Please advise if I am drawing the correct conclusions. Multimeter readings:
Pin 4 12.89
Pin 8 13.66
pin 3 made a...
Thanks guys. I’ll test the clean line and let you know what I find.
I appreciate that the clean channel won’t be as loud as the distortion,...
Thanks. I understand you on checking the TL072 supply voltage, using my multimeter, but for the “loud signal” do you mean using the multimeter to...
I have a Fender Frontman 25R with a great, full sounding distortion channel. The clean channel however, is not that loud at full volume....
Reflowing the grounds seem to have worked, thanks all!
I have pulled the plate and still get the same issue. I will reflow the grounds on the pots and see if that helps.
Thought I did an ok job wiring up this partscaster, but the hum gets louder when I touch the bridge pickup. Any other metal I touch has...
Are they the same gauge strings as before? Sounds like they may be pulling more than before. Also, are they fully stretched?
A “troublemaker” tele aught to have a Floyd Rose. This one is not trouble enough.