Outline Of Control Circuit Board - Epson Stylus Pro 7600 Service Manual

EPSON Stylus Pro 7600/9600

2.3 Outline of Control Circuit Board

This section describes the operation of C472MAIN Board, which controls and drives
the printer mechanism of Stylus Pro 7600/9600.
NOTE: For details of each circuit, refer to Chapter 7
Explanation of major elements on C472MAIN Board
Table 2-8. Major Elements
Name/Code Location
SH-3 32 bit RISC-CPU
IC10
HD6417709A
• Drive clock frequency = 100 MHz
System clock controller
• CPU clock
CY24242PVC IC602
• SDRAM clock
• Clock for I/O control
Custom ASIC
1. Print data processing
• Rasterizer
E09A42AA IC607
• Head drive control
2. Mechanism control (motors and solenoids)
3. Sensor control
Custom ASIC
• External I/O control
E05B80CD IC35
IEEE1284 (bidirectional parallel) I/F
Type-B port
Custom ASIC
E09A41RA IC34
• Head drive voltage waveform generation control
Custom ASIC
E05C02BA IC603
• USB-I/F (2.0) control
Flash Memory (16Mbit)
• For storage of control program (firmware)
Flash Memory IC9
• Saving of various setting parameters and control
information
IC4/6
System memory
SD-RAM
IC600/601 128mbit x 16
PF/CR Motor Drivers IC
L6203 IC31/32
• PWM constant current drive control
LB11847 IC30
Pump Motor Driver IC
Operating Principles
.
Appendix (p.281)
Function
*
Outline of Control Circuit Board
Note "*": Stylus Pro 7600: IC4/6 only (32MByte)
Stylus Pro 9600: IC4/6 and IC600/601 (64MByte)
Figure 2-20. C472MAIN Board-Circuit Block Diagram
Revision A
Block01.eps
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