EPSON AcuLaser C2000
Revision C
Operating Principles
Controller Board (C314MAIN) Operating Principles
92
2.3 Controller Board (C314MAIN) Operating
Principles
The following is the C314MAIN board block diagram.
Figure 2-38. C314MAIN Board Block Diagram
2.3.1 Specification
op44
CN11
CN10
CN12
CN1
CN7,8
CN2
CN3,4
CN18
CN16
MC
Table 2-12. Specification
Item
Location
Note
CPU
IC1
266MHz (outside clock 66.6666MHz) R5000A
E05B51BB
IC2
• ASIC MR64
Connected to CPU and controls access to the
memory and peripheral devices.
E05B52AA
IC4
• ASIC IORB
Connects MR64 and IOC3.
E05B40BA
IC5
• ASIC IOC3
Interface I/C
- Panel
- Timer
- Parallel I/F, Type-B I/F
E05B79BA
IC6
• New video ASIC VLP1a
- Color laser printer video I/F
- Engine I/F
- Improve the half tone gradation
- Color conversion
- Zip / unzip function
RAM DIMM
S0
JEDEC compliance, 32MB, 64bits, 168pin, SPD
RAM DIMM
S1
RAM expansion slot
CODE DIMM
CN2
(Slot0)
• Program ROM
Board assembly, memory, C269PROG
ROM DIMM
CN3, CN4
• Expansion font
• EPGL program
IPL/FONT ROM
IC15, 16
44 pin SOP package
25128
IC21
Serial EEPROM
- Stores printer setting
DL10019C
IC
Network control IC
PBUS
CN1
(for HDD connection)
M51953
IC3
• RESET IC
Reset this controller.
NM93CS56N
IC26
Serial EEPROM
- Network controller initialization setting
- Stores MAC address
- Stores hardware revision
Содержание AcuLaser Color 2000
Страница 11: ...C H A P T E R 1 PRODUCTDESCRIPTIONS ...
Страница 56: ...EPSON AcuLaser C2000 Revision C Product Descriptions Handling Precautions 56 ...
Страница 57: ...C H A P T E R 2 OPERATINGPRINCIPLES ...
Страница 93: ...C H A P T E R 3 TROUBLESHOOTING ...
Страница 97: ...EPSON AcuLaser C2000 Revision C Troubleshooting Troubleshooting Method 97 Figure 3 1 Print Pattern ...
Страница 119: ...C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...
Страница 162: ...C H A P T E R 5 ADJUSTMENT ...
Страница 164: ...C H A P T E R 6 MAINTENANCE ...
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