FV-1

[Robert]

It would have to be programmed, I thought you might have an extra Spatialist EEPROM since you've built it twice.

 

[VeNoM]

No, I've just ordered an extra FV-1. They sell the Spatialist as a kit, with all parts included. You can also buy the FV-1 seperately, but unfortunately you cannot buy your eeproms, you only get them included in the kits.

 

[BGarn78]

Hi,

I have another question. I've built the Spatialist reverb but it didn't work. It turned out I've soldered the FV-1 the wrong way. I've desolderid it, turn it for 180 degrees and soldered it again on the pcb. The effect still didn't work, it just sounded like there was only dry signal. So I've desoldered the chip again and ordered a new one from Musikding (I've also ordered the whole Spatialist kit from Musikding). When I got the new chip I've soldered it on the pcb and the effect has started to work. But there is a problem. The programs are not from the Spatialist Reverb but they sound like the default FV-1 programs (the eeprom is still the original which I got with the kit). Is it possible that I got the wrong eeprom in the first place? Or something else?

Thank you and best regards.

I just had the same thing with a Musikding kit! Mine was the D3lay. Everything working great but I have Tremolo, Chorus and Flanger patches instead of...well...3 delays...

 

[phi1]

Chorus, flange, and tremolo happen to be the first three patches stored internally on the fv-1. So I’m wondering if that’s what’s going on.

Pin 13 of the fv-1 determines whether it uses internal patches, or external patches on the eeprom, which is what you want. ~0v (digitally read as 0) is the internal, ~3.3v is external (digitally read as 1).

I’d check the voltage of pin 13 of the fv-1. If it’s close to zero, that’s your problem.

 

[BGarn78]

Chorus, flange, and tremolo happen to be the first three patches stored internally on the fv-1. So I’m wondering if that’s what’s going on.

Pin 13 of the fv-1 determines whether it uses internal patches, or external patches on the eeprom, which is what you want. ~0v (digitally read as 0) is the internal, ~3.3v is external (digitally read as 1).

I’d check the voltage of pin 13 of the fv-1. If it’s close to zero, that’s your problem.

It is indeed what's going on . If I pull the eeprom nothing changes, so it's not being accessed. Getting continuity from Pin 15 to pin 5, but nothing from Pin 14 to pin 6. Will start checking voltages starting with pin 13. Many thanks.

 

[BGarn78]

It is indeed what's going on . If I pull the eeprom nothing changes, so it's not being accessed. Getting continuity from Pin 15 to pin 5, but nothing from Pin 14 to pin 6. Will start checking voltages starting with pin 13. Many thanks.

Chorus, flange, and tremolo happen to be the first three patches stored internally on the fv-1. So I’m wondering if that’s what’s going on.

Pin 13 of the fv-1 determines whether it uses internal patches, or external patches on the eeprom, which is what you want. ~0v (digitally read as 0) is the internal, ~3.3v is external (digitally read as 1).

I’d check the voltage of pin 13 of the fv-1. If it’s close to zero, that’s your problem.

Pin 13 was indeed the problem, either it wasn't properly soldered or I had a bridge somewhere. All working beautifully now. Thanks so much for pointing me in the right direction!