System 80 CPU board passive parts and diodes, board-wide
C1 100 uF 10 V axial electrolytic; C36 10 uF 10 V axial tantalum; C3, C14, C25 and C30 0.1 uF 50 V ceramic; C2, C4, C5, C8-C12, C15-C24, C26, C27 and C31-C35 0.01 uF 50 V ceramic. Resistors, all 1/4 W: 3.0K at R1, R6, R11-R24, R42, R45, R46, R48, R51, R52 and R54-R57; 4.7K at R2 and R34-R41; 5.6K at R3, R43 and R49; 2.0K at R4, R5 and R44; 62 ohm R7; 180 ohm R8 and R50; 1.0K R9; 2.7M R10; 620 ohm R25-R33; 24K R47. Diodes CR1-CR35 are all 1N4148; VR1 is a 1N5225B 3.0 V zener; Q1 and Q4 2N4403 (PNP), Q2 and Q3 2N4401 (NPN); SW1-SW4 are 8-position DIP switches.
Systems
Related tips
- Which System 80 CPU board goes with which games
- System 80 and 80A CPU boards swap only with the matching U2/U3
- Reading the System 80 CPU DIP switches
- U2/U3 rules ROMs decide which system a CPU board runs
- System 80 CPU board revisions D102, D107 and D20869
- Swapping CPU boards between System 80, 80A and 80B
- 6532 RIOT port pins on the System 80 CPU board
- Making a System 80B CPU board run an earlier game (or the reverse)
Source: Gottlieb System 80 Battery Corrosion Repair Components Kit