EPSON AcuLaser C1900/AcuLaser C900
Revision B
Operating Principles
Controller Board Operating Principles
121
CONSTITUTION OF MAIN CONTROL CIRCUIT BOARD
Main Board Assy: C494 MAIN
Memory Board Assy: C468 PROG (IPL, Code)
SPECIFICATIONS
Table 2-17. Major Elements
Name
Location
Remarks
CPU
IC100
VR4305-80
HTC
IC101
E05C01BA
Memory control and I/O control integrated
ASIC
ROM DIMM
CN300
ROM/RAM mixed slot (1 slot)
2or4MB PROG (IPL, Code)
SDRAM
DIMM
Standard
CN200
1
slot.
Max.144MB
16,32,64,128MB (Standard:16MB)
Optional
CN201
1
slot.
16 ~ 256MB
EEPROM
IC102
2kbit 93C56
PWM
IC600
IC for pulse width modulation for connection
to HTC
SSCG
IC500
Clock driver
Содержание AcuLaser C1900
Страница 1: ...EPSON AcuLaserC1900 AcuLaserC900 A4 Color Page Printer SERVICE MANUAL ROSCO SEPG02003 ...
Страница 21: ...C H A P T E R 1 PRODUCTDESCRIPTION ...
Страница 87: ...C H A P T E R 2 OPERATINGPRINCIPLES ...
Страница 122: ...C H A P T E R 3 TROUBLESHOOTING ...
Страница 166: ...C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...
Страница 208: ...C H A P T E R 5 ADJUSTMENT ...
Страница 217: ...C H A P T E R 6 MAINTENANCE ...
Страница 219: ...C H A P T E R 7 APPENDIX ...
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