Digital Image Processing - Canon 1000 Service Manual

D. Digital Image Processing
1. Outline
The digital video signals from the analog processor PCB are processed by a group of PCBs and sent to
the video controller and other external devices. Each PCB has the following functions:
a. Image Processor Motherboard (provided as standard)
Relays video signals.
b. Image Processor PCB (provided as standard)
Processes video signals (basic processing; excluding area processing and color editing).
c. ECO PCB (provided as standard)
Supports the image processor PCB for image processing.
d. IP Memory PCB (provided as standard)
Compresses and stores images (single A3 page max.).
e. ED Board A1 (option)
The installation of this PCB enables the following image processing:
• Framing
• Blanking
• Original type selection
• Gradation
• Color filter
• Base color
• Color conversion
• Coloring
• Text processing
• Texture
• Special effects
• Area processing
• Freehand
• Text composition
f. Interface Motherboard (provided as standard)
Relays video signals.
g. Interface Board B1/B2 (option)
Corrects differences in color space between CLC1000 and IPU or other external device.
h. Preview Monitor Board (option)
Converts video signals (YMCBk) after image processing into RGB signals for display on a CRT.
COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
3. OPERATION AND TIMING
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