Canon Canoscan CS8000F Service Manual page 16

OPERATION AND TIMING
I. BASIC OPERATION .................... 2-1
A. Functions ............................ 2-1
B. Electrical System ................ 2-2
C. Main PCB Input and Output . 2-4
D. Document Scanning Sequence
........................................... 2-5
II. OPTICAL SYSTEM ..................... 2-6
A. Outline ................................ 2-6
B. Lamp Lighting Circuit ......... 2-7
C. FARE (Film Automatic Retouching
and Enhancement) .............. 2-9
D. Motor Control Circuit ........ 2-11
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COPYRIGHT 2002 CANON INC.
CHAPTER 2
CANOSCAN 8000F REV.0 OCT. 2002 PRINTED IN JAPAN (IMPRIME AU JAPON)
III. IMAGE PROCESSING ............... 2-12
A. Outline .............................. 2-12
B. Image Processing ............... 2-12
IV. CONTROL SYSTEM .................. 2-17
A. Control System Diagram .... 2-17
B. Main PCB .......................... 2-17
V. INTERFACE ............................. 2-18
A. Outline of USB Standard .... 2-18
B. Signal Definitions .............. 2-18
C. Interface Connection ......... 2-18
VI. POWER SUPPLY ....................... 2-19