Schematics
AES (Home system)
Big thanks to Wolfsoft and ArcadeTV for the scans.
- On page 6: There are two resistors in the bottom left corner that can't be seen due the page fold.
- The R48 4.7k is connected to VCC and R49 4.7k is connected to GND.
- Both resistors are connected to pin3 of U31A.
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Page 1:68k 68k user RAM NEO-C1
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Page 2:NEO-G0 Palette RAM Video DAC
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Page 3:NEO-B1 Reset generator Joypad ports
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Page 5:Z80 Z80 RAM NEO-D0 (original scan)
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Page 7:Video encoder
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Page 8:cartridge slot
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Page 9:System latch NEO-E0 Power supply
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Page 10:Memory card
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Page 11:Video PLL
MV1F (MVS)
Beware ! There's an error on page 9 (cartridge edge connections): ROMOE/4MB are swapped. ROMOE should be on pin 33 bottom, and 4MB is on pin 34 bottom.
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Page 1:68k System ROM 68k user RAM Battery-backed RAM NEO-C1 Joypad ports UPD4990 Battery circuit
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Page 3:NEO-E0 System latch Palette RAM Video DAC
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Page 5:Power amp NEO-F0 DIP switches Cab interface
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Page 6:Daughterboard connections
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Page 7
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Page 8:Daughterboard connections
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Page 9:Cartridge connections
MV4 (MVS)
This is the main board of MV4. The top board is here after. PDF file can be found here (GDrive).
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Page 0: Component placement
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Page 1: todo description
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Page 2: todo description
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Page 3: todo description
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Page 4: todo description
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Page 5: todo description
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Page 6: todo description
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Page 7: todo description
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Page 8: todo description
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Page 9: todo description
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Page 10: todo description
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Page 11: todo description
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Page 12: todo description
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Page 13: todo description
MV4 Slot4 (MVS)
This is the top board of MV4. PDF file can be found here (GDrive).
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Page 0: Component placement
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Page 1: todo description
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Page 2: todo description
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Page 3: todo description
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Page 4: todo description
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Page 5: todo description
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Page 6: todo description
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Page 7: todo description
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Page 8: todo description
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Page 9: todo description
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Page 10: todo description
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Page 11: todo description
MV4F (MVS)
This is the main board of MV4F. The top board is here after. PDF file can be found here (GDrive).
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Page 1: todo description
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Page 2: todo description
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Page 3: todo description
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Page 4: todo description
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Page 5: todo description
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Page 6: todo description
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Page 7: todo description
MV4F Slot4F (MVS)
This is the SLOT4F, alias the top board of MV4F. PDF file can be found here (GDrive).
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Page 1: todo description
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Page 2: todo description
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Page 3: todo description
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Page 4: todo description
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Page 5: todo description
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Page 6: todo description
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Page 7: todo description
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Page 8: todo description
Peripheral (home/arcade)
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Steering wheel schematic for Thrash Rally.
