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Microchips identification
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Microprocessor
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Rom
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Eprom
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Ram
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Oscilator 555. Works as an PWM 5 Volt power supply to the micropocessor.
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Spare space for an audio integrated circuit. It was never implemented in producion in this model.
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Voltage regulator 7805
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Frequency divider = 6,5Mhz used for video and 3,25Mhz used for actual clock.
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