The Electric Yo-Yo (rev 1)
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Display
Type: raster Vertical
Resolution: 256 x 256
Refresh: 55.84 Hz
Processors
2x Motorola MC6809E @ 1.25 MHz
Motorola MC6802 @ 3.686 MHz
Motorola MC68705P3 @ 4 MHz
Audio
Discrete Sound
Channels: 1
Controls
Players: 2
Coin slots: 3
joy, 4-way
joy, 4-way
Components (from manual)
CMOS RAM RAM · Battery-backed memory
YO ROM Set Rev. (YO) ROM · Original ROM revision
YU ROM Set ROM · Older ROM revision to be replaced
PCBs (from manual)
Video Processor
Video processing board
Video processing board
Data Sound Processor
Audio and data processing board
Audio and data processing board
ROM/I/O P.C. Assembly
ROM and input/output board
ROM and input/output board
Coin Processor Board
Coin handling processor
Coin handling processor
Power Supply Board
Power supply circuit board
Power supply circuit board
ROM I/O Board
Contains ROM chips that may need upgrading
Contains ROM chips that may need upgrading