Pumpernickel

PCB-assembly 6/6

48
Insert 10nF capacitor (1x) and solder it.

(the 10nF cap can also be cream coloured)

49
Insert 2N2907 transistor (1x) and solder it. Don’t mix it up with the other part. The name is printed on the case! Align correctly! 

Without socket.. so don’t solder too long or/and too hot!

50
Insert LM339N (2x) and solder them. Align correctly!

Without socket.. so don’t solder too long or/and too hot! It’s recommended to solder at 260°C for max 10 sec.

51
Insert 4558 OPA and solder it. Align correctly!

Without socket.. so don’t solder too long or/and too hot!

52
Insert 2.54mm strips and solder them.

Pumpernickel-052Sometimes the strips are approx. 2mm longer than needed…

Pumpernickel-051Pumpernickel-053 …cut them off.

Pumpernickel-054 Pumpernickel-055As you can see it’s still enough space between the pcbs.