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The X3 on the engine control board generates a 12.288 MHz clock for IC1 (CPU). This clock is sent from pin 71 of IC1 to pin 294
of IC14 on the engine control board. The X2 on the engine control board generates a 9.641567MHz clock for IC14 (ASIC). The X1
on the engine control board generates a 11.955543 MHz clock for IC14 (ASIC). The ASIC IC14 has two PLL multiplier circuits to
generate video clock from X1 and X2. The 9.641567 MHz clock is multiplied 8 times to 77.1325 MHz video clock for color mode.
The 11.955543 MHz clock is multiplied 8 times to 95.6443 MHz video clock for monochrome mode. The ASIC IC14 has a clock
selector circuit and selects clock according to the printing color mode.
of IC14 on the engine control board. The X2 on the engine control board generates a 9.641567MHz clock for IC14 (ASIC). The X1
on the engine control board generates a 11.955543 MHz clock for IC14 (ASIC). The ASIC IC14 has two PLL multiplier circuits to
generate video clock from X1 and X2. The 9.641567 MHz clock is multiplied 8 times to 77.1325 MHz video clock for color mode.
The 11.955543 MHz clock is multiplied 8 times to 95.6443 MHz video clock for monochrome mode. The ASIC IC14 has a clock
selector circuit and selects clock according to the printing color mode.
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KX-CL500 / KX-CL510
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