Dell 1135N Service Manual

Also see for 1135N: Specifications User guide Specifications

Contents

Product specification and feature2-26Service Manual2.2.4.4 Scan1) Pictorial signal input part: output signal of CIS passes through MP Cap change to ADC at LAFE1001, anddefined signal between LAFE1001 and JUPITER5 processes the Image signal. When AFE accepts eachpixel, CDS (Correlated Double Sampling ) technique which samples arm-level twice is used on each pixelby the CIS signal.2) The image processing portion is read by CIS Pixel data in 1200dpi Line and processed using an ErrorDiffusion Algorithm on Text mode and Photo mode. When scanning at machine and/or on PC Scan, thedata is stored in a Scan Buffer without algorithm.Shading and Gamma Correction are executed immediately in every mode, then processing is executedlater.* Scan Image Control Specificationཛ Minimum Scan Line Time : 0.75ms(300dpi)ཛྷ Scan Resolution : Max. 1200DPIཝ Scan Width : 216mmཞ main function- Internal 10bit ADC- White Shading Correction- Gamma Correction- CIS Interface- 256 Gray Scale3) CIS Operating Part : CISM Image sensor use +3.3V and LEDs uses +12V- CIS Maximum Operating Frequency : 4MHz- CIS Line time : 0.75ms- White Data output Voltage : 1.0Vmin (Color mode : 300dpi, 0.75ms/line)- Maximum LED Current : 45~60 mA Max.( +12V)