Tomy Break Up Chip labeled MP2726 TOMY WIPE MAHL^8005 die labeled MP2726A 2 buttons: BALL and HIT 2 switches: Pro 1/Pro 2 and 3 balls /5 balls 22 round LEDs 24 rectangular LEDs 2 7-segment LEDs Also TMS1025 I/O expander TMS1025N2LL MAL 8005 SINGAPORE TMS1040 pinout (this is the only TMS1040 I've seen, and I can't find docs, so pin descriptions are guesses for now) 1 R7? - BALL button 2 R8? - HIT button 3 VDD - 9V- 4 K1? - N/C 5 K2? - N/C 6 K3? - N/C 7 K4? - 5 ball switch 8 K8? - BALL and HIT buttons 9 INIT? - VDD 10 O7 - round LED matrix 11 O6 - segment G and round LED matrix 12 O5 - segment F and round LED matrix 13 O4 - segment E and round LED matrix 14 O3 - segment D and round LED matrix and TMS1025 H4 15 VSS - 9v+ 16 O2 - segment C and round LED matrix and TMS1025 H3 17 O1 - segment B and TMS1025 H2 18 O0 - segment A and TMS1025 H1 19 OSC1 - OSC2 and 73K to VDD, no cap 20 OSC2 - OSC1 - PRO2 adds 100K 21 VPP? - VDD 22 R0? - left digit 23 R1? - right digit 24 R2? - TMS1025 - STD 25 R3? - TMS1025 - S2 26 R4? - TMS1025 - S1 27 R5? - TMS1025 - S0 28 R6? - piezo TMS1025 pinout 1 VSS - 9v+ 2 H3 - TMS1040 pin 16 O2 3 H4 - TMS1040 pin 14 O3 4 CE - VDD 5 MS - VSS 6 STD - TMS1040 pin 24 R2 7 A1 - rectangular LED 5 8 B1 - rectangular LED 6 9 C1 - rectangular LED 7 10 D1 - rectangular LED 8 11 A4 - rectangular LED 9 12 B4 - rectangular LED 10 13 C4 - rectangular LED 11 14 D4 - rectangular LED 12 15 A5 - rectangular LED 21 16 B5 - rectangular LED 22 17 C5 - rectangular LED 23 18 D5 - rectangular LED 24 19 A2 - rectangular LED 1 20 B2 - rectangular LED 2 21 C2 - rectangular LED 3 22 D2 - rectangular LED 4 23 A6 - rectangular LED 17 24 B6 - rectangular LED 18 25 C6 - rectangular LED 19 26 D6 - rectangular LED 20 27 A7 - round LEDs 1, 5, 9, 10, 17 28 B7 - round LEDs 2, 6, 11, 15, 18, 19 29 C7 - round LEDs 3, 7, 12, 16, 20, 22 30 D7 - round LEDs 4, 8, 13, 14, 21 31 A3 - rectangular LED 13 32 B3 - rectangular LED 14 33 C3 - rectangular LED 15 34 D3 - rectangular LED 16 35 S0 - TMS1040 pin 27 R5 36 S1 - TMS1040 pin 26 R4 37 S2 - TMS1040 pin 25 R3 38 VDD - 9v- 39 H1 - TMS1040 pin 18 O0 40 H2 - TMS1040 pin 17 O1 round LED matrix O2 O3 O4 O5 O6 O7 A7 -- 17 9 10 5 1 B7 19 15 18 11 6 2 C7 22 16 20 12 7 3 D7 -- 21 14 13 8 4 rectangular LED layout 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 round LED layout 7-segment LEDs 1 2 3 4 rectangular LEDs 6 7 5 8 9 14 11 12 10 13 17 21 15 16 18 20 19 22