I'd like to purchase PCB DQ04-001-LK.

 

... A 220 volt version seems to be available on eBay:
pcb board
... See if it is what you are looking for.

 

... A 220 volt version seems to be available on eBay:
pcb board
... See if it is what you are looking for.

Sorry it's the wrong item; it's a DQ04-001-D. Where would you search for older PCBs? Many thanks.