Mattel Funtronics Jacks COP410L bonded directly to PCB die labeled COP410L/B NGS 7 buttons 8 LEDs 1 switch: 1 OFF 2 Piezo Wiring same as patent 4335806 COP410 pinout 1 GND ground 2 CKO N/C 3 CKI 56pf cap to ground, 47K resistor to Vcc 4 /Reset N/C 5 L7 N/C 6 L6 N/C 7 L5 buttons 3, 4, 6 8 L4 buttons 1, 2, 5 9 Vcc Vcc 10 L3 N/C 11 L2 N/C 12 L1 LEDs 3, 4, 6, 8 13 L0 LEDs 1, 2, 5, 7 14 SI N/C 15 SO N/C 16 SK N/C 17 G0 N/C 18 G1 Piezo 19 G2 button 7 (other side to ground) 20 G3 2 player (other side to ground) 21 D3 LEDs 7, 8 22 D2 buttons and LEDs 1, 6 23 D1 buttons and LEDs 4, 5 24 D0 buttons and LEDs 2, 3 LEDs and buttons L7 L8 L/B6 L/B1 L/B5 L/B2 L/B4 L/B3 B7 Power on: L1-6 flicker for about 4s