EPSON GT-7000
Chapter 2
Operating Principles
Rev. A
20
Table 2-3. Major ICs
IC
Location
Function
M37920
IC22
CPU
24-bit Address Bus
16-bit Data Bus
SRAM 256K 15ns
IC8, IC12
E02A28 Peripheral Memory
For Imge Processing( for
enlargement and minification
buffer)
HM514260
IC19, IC20
E02A2B Peripheral Memory
IC20: For Image Processing
(Correction between lines)
IC19:Output Buffer
PC29M33T
IC10
Regulator IC(3.3VDC)
E02A28
IC21
ASIC
• CCD Control
• A/D Converter
• Reading Position Control
• Image Processing
• Memory Control
• Data Output Control
• Intervention Control
AD9816JS
IC24
12-bit A/D converter
M54670P
IC1
CR motor driver IC
M51953A
IC7
Reset IC
P-ROM 1M-bit, 100ns
IC5
Program ROM
BH9596FP-Y
IC14
Terminator (SCSI mode only)
M64154FP
IC13
SCSI Controller (SCSI model
only)
E02A29
IC25
USB Controller(USB model
only)
CSTCV24.00
CR1
24MHz clock for E02A28
SCTCS20.00
CR2
20MHz clock for CPU
Содержание GT-7000 Photo
Страница 1: ...EPSON EPSON EPSON France S A GT 7000 SERVICE MANUAL ...
Страница 2: ...6 59 0 18 RORU PDJH 6FDQQHU EPSON GT 7000 4009736 ...
Страница 9: ... PRODUCTDESCRIPTION ...
Страница 20: ... OPERATINGPRINCIPLES ...
Страница 28: ... TROUBLESHOOTING ...
Страница 34: ... DISASSEMBLYANDASSEMBLY ...
Страница 54: ... ADJUSTMENT ...
Страница 56: ... MAINTENANCE ...
Страница 58: ...EPSON GT 7000 Chapter 6 Maintenance Rev A 51 Figure 6 1 Lubrication Points G 2 6 G 2 6 ...
Страница 59: ... APPENDIX ...
Страница 68: ......
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