Warm Tube Clock
Assembly Instructions for the „IN-16 Nixie shield“
Document Version: 2011-01-05
www.elektronika.ba
-11-
Step 7
Get all four of TLP627 SMD opto-couplers: OPT1, OPT2, OPT3 and OPT4.
1. Even though these are SMD, they are pretty big and
easy to solder.
2. Place them correctly and in proper orientation and
while holding with tweezers, solder (“tack”) just one pin of
each opto-coupler to hold them in place.
3. So that it looks like this for each opto-coupler.
