TS808 diy clone or Strat noise

[vinceg]

Very odd. Is there any chance that you can upload a picture of the pedal's wiring and a close-up of the input jack's connections?

A DC voltage certainly explains the scratchy noises from the guitar's volume control. I can also understand your concerns about ruining any pickups - not cheap.

Yes, only a moment

[vinceg]

Very odd. Is there any chance that you can upload a picture of the pedal's wiring and a close-up of the input jack's connections?

A DC voltage certainly explains the scratchy noises from the guitar's volume control. I can also understand your concerns about ruining any pickups - not cheap.

Thanks to your suggestion of the pictures, I discovered this connection between input and one resistor that should not be there.
Now there is not 2.8V DC but there is a small negative voltage, -3.4mV between tip and sleeve of input cable. Do I still have a problem?

[vinceg]

[Slowpoke101]

Your build seems to look pretty good.
Excellent work on finding that little solder bridge - they can happen all too easily. Very good that the 2.8Volts is now gone.
The input jack wiring looks correct. No problems there.

Now, the very small voltage that you are measuring is most likely some stray voltage your meter is picking up from its leads - like an antenna. Not to be overly concerned about.
But one thing that you may wish to consider - Install a 1M (1 Meg) resistor between the Input pad and the GND pad on the board. This will keep any leakage voltage (normally happens) from the input capacitor from building up. This helps reduce any popping noises when changing from Bypass to engaged modes.

Hopefully your scratchy noises from the guitar's volume control will be gone now. Just remember that single coil pickups are notorious for picking up any electrical noise and coupled with the high gain of this pedal you will have some noise. Humbucking single coils or shielded pickups are available but they do sound different and they are not cheap.

[vinceg]

Ok, now I'm going to install a 1M resistor and I'll try the build. I'll let you know. Thank you very much

[vinceg]

@Slowpoke101 yeahhh, now it work good, no guitar volume scratches, no popping noise when changing to bypass to engaged mode and, surprise, no hiss noise in humbucker or single coil. Also, I note a better sound. I'm very happy 

Thank you very much!!

[anotherjim]

Going back to earlier notes about Stat's humbucking in 2 & 4 positions - they don't all have that, depends on the particular guitar & if it has original pickups. It must be 5 way switched guitar with a middle pickup with a reversed coil winding and reversed magnet polarity (known as RWRP) compared to the neck & bridge pickups. I have a 1980's Tokai which has a 5 way selector but no RWRP middle pickup, so no humbucking.
Hendrix's Strats only had 3 way selectors & probably did not have RWRP pickups either. The mod at the time to get 5 way selection was to pull the little ball bearing detent out of the switch lever and move it to where it sounded like it was in positions 2 or 4. When this eventually wore too loose to stay put, a couple of matchsticks were wedged in - no Blutack back then

[thermionix]

Hendrix's Strats...probably did not have RWRP pickups either.

I guarantee they didn't, I'm not sure when Fender started doing that but I think the 80s.  All the vintage Strats (and Les Pauls, SGs, 6120s etc) used the same pickups in all positions.  Obviously not the Telecaster, but the Esquire...yeah. 

You're right about the 3-way lever switches, they're MBB and players noticed the cool sounds they'd get in between positions, and started modding the switches for 2 additional stops.  I guess it was the 70s when Strats started coming stock with "pre-modded" switches.  Then some time after that the RWRP middle became the norm.  That may have started with aftermarket replacement pickups, but I don't know.

[phaeton]

Hendrix's Strats...probably did not have RWRP pickups either.

I guarantee they didn't, I'm not sure when Fender started doing that but I think the 80s.  All the vintage Strats (and Les Pauls, SGs, 6120s etc) used the same pickups in all positions.  Obviously not the Telecaster, but the Esquire...yeah. 

You're right about the 3-way lever switches, they're MBB and players noticed the cool sounds they'd get in between positions, and started modding the switches for 2 additional stops.  I guess it was the 70s when Strats started coming stock with "pre-modded" switches.  Then some time after that the RWRP middle became the norm.  That may have started with aftermarket replacement pickups, but I don't know.

My English teacher in HS had a ('72 IIRC) Fender Strat with a teeny little toggle added on the pickguard.  He said it was a mod to "turn on all the pickups" but to me it sounded more like it enabled the center pickup regardless of the (3-way) switch position.  Of course, at the time I was just a 13-year old who was just getting into guitars and their ruinous lifestyle.

The biggest thing I remember from that guitar was the blonde w/ black + maple fretboard color scheme.  It remains one of my favorites to this day.