/
Arp1601 Step1fix Mod

Arp1601 Step1fix Mod

 

This Modification helps to syncronize the first step1 to an external source.
when you try to sync from an external source the step2 is in sync with step1 from external.
This Mod fix this issue, for original 1601 and clones

 

 

Available here:

https://www.diysynth.de/pcbs-panels/arp1601-step1-fix-mod-pcb.html

assembled Version:

https://www.diysynth.de/pcbs-panels/arp1601-step1-fix-mod-pcb-97.html

 

BOM:

amount

value

 

 

 

amount

value

 

 

 

2

CD4011

DIP

 

 

1

100k resistor

standard 1/4W

 

 

3

100nF

X7R THT capacitor

 

 

1

MTA 3pole header

MTA100 size

TE-connectivity 

or just jumper it with a resistor leg

1

10-12mm spacer

Male-male or Female-male M3

 

 

1

16pins needed - double pin row for IC sockets

https://www.tme.eu/de/details/mct-1-36-1-g/prazisionssockel/adam-tech/

ADAM TECH

MCT-2-36-1-G)

2

14pin ic socket

THT

 

 

1

16pin IC socket

 

 

 

1

PC jumper

 

 

 

 

 

guide:

 

start with the bottom and the double contacts:

 

you can hold the double contact pin stripe by using an IC socket

 

Solder flat as shown:

Then install the remaining parts..

 

 

 

Thats how it fits in the 1601 clone : (don't forget to install the jumper !! !!!!)

 

 

 

Related content

how to bugfix: https://diysynth.wiki.dsl-man.de/wiki/spaces/SKM/pages/336101402/How+to+bugfix

non commercial pages, all infos are best can do without warranty, without liability.