EPSON AcuLaser C4000/C4100/C3000
Revision F
Operating Principles
Controller Operating Principles
2-100
The following table shows C470 Main Circuit Board Major Components.
Table 2-3. C470 Main Circuit Board Major Components
Name
Location
Model Number / Function
64bit RISC CPU
IC102
IBM25PPC750CX-DP20-3T /
• PowerPC 750CX 400MHz
• Manufactured by IBM
ASIC
CDMC
IC101
E05B92NA /
• 480pin
• Manufactured by Toshiba
This ASIC has the following functions:
1. Memory Control ASIC (relation to RAM/ ROM)
2. ACC (Image Accelerator) function supports
the following processings:
• CCTL (color control)
• CCNV (color conversion)
• CCMP (color compression)
• With a built-in SRAM (data processing
exclusive work area)
DIOC
IC402
E05B72BA /
• BGA-313pin, 2.54mm pich, Staggered, Full
glid
• Power supply voltage: 3.3V, 5V
• Manufactured by NEC
This ASIC has the following functions:
1. I/O Control ASIC (manages the following I/F)
• Parallel I/F
• USB I/F
• Engine I/F (connection to the Mechanical
Controller)
• Control Panel I/F
2. Other Functions
• Interrupt Control
• DMA Control (11ch)
• Timer
VIP2
IC601
E05B93BA /
• 352BGA
• Power supply voltage: 2.5V, 3.3V
• Manufactured by NEC
This ASIC has the following functions:
1. Half Tone Gradation Control ASIC
2. Managing a data processing at CPGI and
CRIT control
ROM
DIMM
CODE
DIMM
CN300
C309PROG /
• Slot P
• IC3: Program, 16Mbit Flash PROM
• IC4: Program, 16Mbit Flash PROM
• IC1: Font, 16Mbit Mask ROM
• IC2: Font, 16Mbit Mask ROM
OPTION
CN301
• Slot A
• Empty slot for option
SDRAM
Standard
CN200
• Slot S0
• 64Mbyte (Standard)
• 168pin
Additional
CN201
• Slot S1
• 168pin
• Empty slot for additional
• Max. 1Gbyte
Table 2-3. C470 Main Circuit Board Major Components
Name
Location
Model Number / Function
Summary of Contents for AcuLaser C3000 Series
Page 20: ...C H A P T E R 1 PRODUCTDESCRIPTIONS ...
Page 71: ...C H A P T E R 2 OPERATINGPRINCIPLES ...
Page 118: ...C H A P T E R 3 TROUBLESHOOTING ...
Page 318: ...C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...
Page 472: ...C H A P T E R 5 ADJUSTMENT ...
Page 477: ...C H A P T E R 6 MAINTENANCE ...
Page 491: ...C H A P T E R 7 AcuLaserC4100 ...
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Page 555: ...C H A P T E R 8 AcuLaserC3000 ...
Page 579: ...Model AcuLaser C3000 Board C569MAIN BOARD Sheet 1 of 5 Rev B ...
Page 580: ...Model AcuLaser C3000 Board C569MAIN BOARD Sheet 2 of 5 Rev B ...
Page 581: ...Model AcuLaser C3000 Board C569MAIN BOARD Sheet 3 of 5 Rev B ...
Page 582: ...Model AcuLaser C3000 Board C569MAIN BOARD Sheet 4 of 5 Rev B ...
Page 583: ...Model AcuLaser C3000 Board C569MAIN BOARD Sheet 5 of 5 Rev B ...
Page 584: ...C H A P T E R 9 APPENDIX ...
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