Chapter 5
5-20
F-5-46
[1] 1st half even-numbered pixel analog image signal
[2] 1st half odd-numbered pixel analog image signal
[3] 2nd half even-numbered pixel analog image signal
[4] 2nd half odd-numbered pixel analog image signal
[5] 1st half digital image signal
[6] 2nd half digital image signal
2. Digital Image Processing
- shading correction
F-5-47
[1] 1st-half digital image signal
[2] 2nd-half digital image signal
5.3.6.2 Overview
0011-2248
iR7086
The PCBs used in the image processing system have the following functions:
CDD/AP PCB: CCD drive, analog image processing, A/D conversion
Reader controller PCB: shading correction
F-5-48
1. Analog Image processing
- CCD drive
- CCD output gain correction, offset correction
- CCD output A/D conversion
CCD
Analog image
process
- gain correction
- offset correction
A/D
conversion
Analog
image
signal
CCD/AP PCB
CCD drive
control
Gain correction
data
20bit
J101
J204
20bit
CCD control
signal
A12V
A5V
Gain correction
data
[2]
[1]
[2]
Analog image
process
- gain correction
- offset correction
[3]
[4]
[5]
[6]
[4] [3]
J102
J208
[1]
A/D
conversion
Gain correction data
EEP-ROM
SRAM
CPU
CCD/AP
PCB
Reader controller PCB
20bit
8bit
Target
value
J101
J204
[1]
[2]
[1]
[2]
Shading correction
J102
J208
J202
20bit
8bit
CCD/AP PCB
Reader controller
PCB
CCD
A/D
conversion
Shading processing
Analog image
processing
Analog image processing block
Controller
block
Digital image processing block
Содержание iR7086
Страница 1: ...Sep 7 2007 Service Manual iR7105 7095 7086 Series...
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Страница 26: ...Contents...
Страница 27: ...Chapter 1 Introduction...
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Страница 32: ...Chapter 1 1 2 Not all products are necessarily available in all sales areas...
Страница 55: ...Chapter 2 Installation...
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Страница 151: ...Chapter 3 Basic Operation...
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Страница 159: ...Chapter 4 Main Controller...
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Страница 183: ...Chapter 5 Original Exposure System...
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Страница 229: ...Chapter 6 Laser Exposure...
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Страница 238: ...Chapter 6 6 6 F 6 7 1 Laser light 2 Laser shutter 1 2 1 2 2 1...
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Страница 241: ...Chapter 7 Image Formation...
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Страница 295: ...Chapter 8 Pickup Feeding System...
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Страница 353: ...Chapter 9 Fixing System...
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Страница 379: ...Chapter 10 External and Controls...
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Страница 394: ...Chapter 10 10 10 F 10 7...
Страница 417: ...Chapter 11 MEAP...
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Страница 467: ...Chapter 12 RDS...
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Страница 479: ...Chapter 13 Maintenance and Inspection...
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Страница 497: ...Chapter 14 Standards and Adjustments...
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Страница 527: ...Chapter 15 Correcting Faulty Images...
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Страница 561: ...Chapter 16 Self Diagnosis...
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Страница 585: ...Chapter 17 Service Mode...
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Страница 588: ...Contents 17 8 1 1 COPIER Items 17 94...
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Страница 689: ...Chapter 18 Upgrading...
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Страница 696: ...Chapter 18 18 4...
Страница 713: ...Chapter 18 18 22 formatting and download the system software once again...
Страница 726: ...Chapter 19 Service Tools...
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Страница 728: ...Contents Contents 19 1 Service Tools 19 1 19 1 1 Special Tools Table 19 1 19 1 2 Solvents Oils 19 2...
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Страница 734: ...Sep 7 2007...
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