Milton Bradley Electronic Battleship 1977 (no speech, no code book) Chip labeled TMS1000NLL MP3208 DCS7910 SINGAPORE die labeled MP3208 46 buttons: Player 1 and Player 2 1-10, A-J, CM, CLE, Fire 1 switch: Load/Go light bulb speaker TMS1000 1 - R8 - buttons 9/I 2 - R9 - buttons 10/J 3 - R10 - buttons Fire / switch Load/Go 4 - VDD - batt- via switch 5 - K1 - buttons Player 1 Fire, CM, 1-10 6 - K2 - buttons Player 1 Cle, A-J 7 - K4 - buttons Player 2 Fire, CM, 1-10 8 - K8 - buttons Player 2 Cle, A-J, Load/Go 9 - INIT - D1 cathode (anode to VDD), C3 to VSS 10 - O7 - 75494-2, 75494-15 11 - O6 - 75494-5, SN76477-25 12 - O5 - R11 to SN76477-23 13 - O4 - SN76477-22 14 - O3 - R10 to D3 anode (cathode to SN76477-21, D2 anode, C4-) 15 - O2 - 75494-10 16 - O1 - 75494-12 17 - O0 - SN76477-9 18 - OSC1 - 19, C1 to VSS, R2 to VDD 19 - OSC2 - 18, C1 to VSS, R2 to VDD 20 - VSS - batt+ 21 - R0 - buttons 1/A 22 - R1 - buttons 2/B 23 - R2 - buttons 3/C 24 - R3 - buttons 4/D 25 - R4 - 75494-7, buttons 5/E 26 - R5 - buttons 6/F 27 - R6 - buttons 7/G 28 - R7 - buttons 8/H button matrix K1 K2 K4 K8 ---- Player 1 ---- ---- Player 2 ---- VSS CM CLE CM CLE R0 1 A 1 A R1 2 B 2 B R2 3 C 3 C R3 4 D 4 D R4 5 E 5 E R5 6 F 6 F R6 7 G 7 G R7 8 H 8 H R8 9 I 9 I R9 10 J 10 J R10 Fire - Fire Load/Go SN76477 Complex Sound Generator 1 - 15 + 19 + R15 to 16 2 - batt- 3 - N/C 4 - R18 to batt- 5 - R17 to batt- 6 - C8 to batt- 7 - R16 to batt- 8 - C7+ (C7- to batt-) 9 - TMS1000-17 10 - R20 to batt- 11 - R19 to batt- 12 - R7 to Q1E, Q2E, speaker (Q1C to batt-, Q2C to batt+) (other speaker lead to C2+, C2- to batt-) 13 - Q1B, Q2B, R8 to ground (Q1C to batt-, Q2C to batt+) 14 - batt+ 15 - 1 + 19 + R15 to 16 16 - R14 to batt- and R15 to 1 + 15 + 19 17 - C5 to batt- 18 - R5 to batt-, R4 to 75494-13, R3 to 75494-11 19 - 1 + 15 + R15 to 16 20 - R13 to batt-, R12 to 75494-6 21 - D3 cathode (anode to R10), D2 anode (cathode to 75494-4), and C4- (C4 inserted backwards from PCB silkscreen; C4+ to batt-) 22 - TMS1000-13 23 - R11 to TMS1000-12 24 - N/C 25 - TMS1000-11 + 75494-5 26 - batt- 27 - batt- 28 - batt- 75494 Hex MOS to LED driver 1 - batt+ 2 - 75494-15 + TMS1000-10 3 - 75494-14 + light bulb lead 1 (other bulb lead to R9 to batt+) 4 - diode 2 cathode (anode to SN76477-21, D3 cathode, C4-) 5 - TMS1000-11, SN76477-25 6 - R12 to SN76477-20 7 - TMS1000-25 8 - batt- 9 - batt- 10 - TMS1000-15 11 - R3 to SN76477-18 12 - TMS1000-16 13 - R4 to SN76477-18 14 - 75494-3 + light bulb lead 1 (other bulb lead to R9 to batt+) 15 - 75494-2 + TMS1000-10 16 - R1 to batt+ R1 - 1K R2 - 100K R3 - 150K R4 - 100K R5 - 270K R6 - 47K R7 - 39K R8 - 3K9 R9 - 47 R10 - 1K R11 - 27K R12 - 33K R13 - 750K R14 - 33K R15 - 47K R16 - 3M3 R17 - 100K R18 - 47K R19 - 100K R20 - 15K C1 - 47pF disc C2 - 6.8uF 16v electro C3 - 0.1uF disc C4 - 22uF 16v electro C5 - 0.01uF disc C6 - 6.8uF 16v electro C7 - 0.47uF 50v electro C8 - 47pF disc Q1 - 2N3703 PNP Q2 - 2N3704 NPN D1 - 1N4148 D2 - 1N4148 D3 - 1N4148