Sea bed delay not working

[Pedal fiend]

I built the seabed delay. I have audio on bypass only. I had a low output when the effect was switched on but no delay. I reflowed all the contacts and now I have nothing when the pedal is activated except hum. Replaced both the pt2399 and the opamp and that didn’t change anything.

 

[Pedal fiend]

Also on the 78LO5 I’m getting 1.14v, zero, .27v

 

[zgrav]

Also on the 78LO5 I’m getting 1.14v, zero, .27v

so there is an issue getting power from where it comes in the board to your 78L05. You will never get a 5 volt output from the 78L05 until you have more power going to it. use the schematic in the build document and your DMM to make sure the parts between the power input and the 78L05 are connected where they should be.

from the circuit diagram, it looks like you only have one part (R18) between the 1N5817 and the input for the 78L05 (pin 3). make sure one side of R18 connects to the 1N5817 and the other side of R18 connects to pin 3 of the 78L05.

use google to find info on reading a schematic circuit diagram and using the DMM to follow it if that part is not clear to you.

 

[Chuck D. Bones]

Can we get a pic that shows R18? The pic you posted on 9/9 has R18 hidden behind C17.