Sega 999-0921 - Manual (Page 70)

ASSY SWITCH UNIT (INY-1180)
ITEM NO. PART NO. DESCRIPTION
1 INY-1181 SW BRKT
2 421-8911 STICKER SW UNIT
101 220-5179 VOL CONT B-5K OHM
102 509-5028 SW PB 1M
103 601-0042 KNOB 22 MM
104 310-5029-D20 SUMITUBE F D 20 MM