Tetris (bootleg set 2)

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EMU Infos
dumper f205v
date 11/03/2018
emulator MAME 0.79u1
dev Kevin Eshbach
PCB Infos
name atetrisb2 on ProgettoEMMA
atetrisb2 on Arcade Database
description Tetris (bootleg set 2)
year 1988
manufacturer

Technical references

CPUs

QTY Type clock position function
1x MPS6502 main PCB 8-bit Microprocessor - main
3x SN76489AN sub PCB Digital Complex Sound Generator - sound
1x LM324N main PCB Quad Operational Amplifier - sound
1x TDA2002 main PCB Audio Amplifier - sound
1x oscillator 14.31818 main PCB

ROMs

QTY Type position status
2x AM27512 main PCB 1,2 dumped
1x M3-7603-5 sub PCB PROM1 dumped

RAMs

QTY Type position
1x CY7C128-55PC main PCB
1x DS2064 main PCB

PLDs

QTY Type position status
2x TIBPAL16R4-25CN sub PCB PAL1, PAL3 read protected
3x TIBPAL16L8-25CN sub PCB PAL2, main PCB PAL4, PAL5 read protected

Others

1x 28x2 JAMMA edge connector
1x trimmer (volume)
1x 8 DIP switches bank (SW1)

Notes

all PCBs are marked: "LC" on component side (in Italian LC means "Lato Componenti" which translates to "Components Side")
all PCBs are marked: "LS" on solder side (in Italian LS means "Lato Saldature" which translates to "Solder Side")

Files

1596