XK550 DIGITAL KIT (DG550D) PARTS LISTRESISTORSQty. Symbol Value Color Code Part #8 R36 R43 120 5% 1/4W brownredbrowngold 1312001 R15 220 5% 1/4W redredbrowngold 1322004 R16 R19 1k 5% 1/4W brownblackredgold 14100016 R20 R35 100k 5% 1/4W brownblackyellowgold 161000 SEMICONDUCTORSQty. Symbol Value Description Part #1 U7 SN7403 IC 3374038 D18 D25 LED Diode (red) 3500022 U8 U9 74HC04 IC 39HC04MISCELLANEOUSQty. Symbol Description Part #10 SW4 SW13 Slide Switch SPDT 5410092 S4 S5 Connector 4pin 5910428 Spacer 1/4 #8 6241242 Screw 6424303 U7 U9 Socket IC 14Pin 66401412 B7 B18 Bredboard 6652041 Bredblox 99426