Canon Color imageRUNNER C5180 Series, Руководство по обслуживанию

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Chapter 4
4-3
T-4-1
IC No. ASIC
Name Main Function
IC1 IMG(Y) 1. Image processing
Receives the image data from the controller.
Send the image data to the PM1100 (PWMIC).
Setup each image setting (e.g., laser write start timing, flame)
via PM110 (PWMIC).
2. Laser Scanner Motor Control
3. Laser Driver Control
IC2 IMG(M)
IC3 IMG(C)
IC4 IMG(K)
IC5 to 8 PWM(Y) Execute the pulse width modulation depending on the
density of the image data that is received in parallel, and
output.
5 to 8: For A to D beams of the Y laser.
9 to 12: For A to D beams of the M laser.
13 to 16: For A to D beams of the C laser.
17 to 20: For A to D beams of the K laser.
IC9 to 12 PWM(M)
IC13 to
16 PWM(C)
IC17 to
20 PWM(K)
IC21 CPU -
IC22 EEPROM Embedded startup program. (BOOT is embedded.)
IC23 SRAM Retain the setup data of the service mode.
IC24 FLASH
ROM Store the firmware.