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CHAPTER 2

2 - 21

COPYRIGHT

©

2001 CANON INC. CANOSCAN D1230U/D2400U REV.0 MAR. 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)

V. INTERFACE

A. Outline of USB Standard

Since early 1997, the Universal Serial Bus (USB) has been the standard on most PCs. The
USB standard was developed by Compaq, IBM, Intel, Microsoft, NEC, and Northern Telecom. It
resulted from an industry-wide initiative to standardize peripheral attachments to PCs, and to
improve the speed, performance and ease of use of PC peripherals.

B. Benefits of USB Scanner

1. True Plug & Play

Unlike the previous generation of SCSI scanners, no add-in cards are required to setup the
USB scanners. This eliminates complex procedures, such as opening the box to install a card,
or reconfiguring the system (setting DMA, IRQ, jumper cables, etc.) The USB scanners are
simply plugged in and unplugged at any time.

2. Higher Speed

USB scanner is nearly 10 times faster than a standard parallel-port scanner at bandwidth 12
Mbits/sec. for data transfer.

3. Multiple Devices Support

USB specification can support up to 127 devices simultaneously on a computer by using
“hub” terminals as additional plug-in ports.

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Содержание CanoScan D1230UF

Страница 1: ...COPYRIGHT 2001 CANON INC CANOSCAN D1230U D2400U REV 0 MARCH 2001 PRINTED IN JAPAN IMPRIME AU JAPON MARCH 2001 JY8 1319 000 REVISION 0 SERVICE MANUAL SERIES ...

Страница 2: ...ANOSCAN D1230U D2400U REV 0 MARCH 2001 PRINTED IN JAPAN IMPRIME AU JAPON COPYRIGHT 2001 CANON INC Printed in Japan Imprimè au Japon Use of this manual should be strictly supervised to avoid disclosure of confidential information ...

Страница 3: ...4A003AA DZR000000 6684A004AA EZR000000 6684A008AA MZR000000 6684A009AA KZR000000 6684A010AA LZR000000 FAU S12 6687A001AA AZS000000 6687A002AA BZS000000 CanoScan D2400U 6785A001AA AZT000000 6685A002AA DZT000000 6685A003AA EZT000000 CanoScan D2400UF 6685A001AA AZU000000 6685A002AA CZU000000 6685A003AA DZU000000 6685A004AA EZU000000 6685A005AA FZU000000 6685A006AA LZU000000 6685A007AA JZU000000 6685A...

Страница 4: ...13 B Image Processing 2 13 IV CONTROL SYSTEM 2 20 A Control System Diagram 2 20 B Main PCB 2 20 V INTERFACE 2 21 A Outline of USB Standard 2 21 B Benefits of USB Scanner 2 21 C Signal Definitions 2 22 D Interface Connection 2 22 VI POWER SUPPLY 2 23 III SETTING UP THE SCANNER 1 7 A Precautions 1 7 B Unlocking the Carriage Lock 1 8 C Connecting the Cables 1 9 D Scanning a Document 1 10 E Connecting...

Страница 5: ...ANON SCANNER TEST 5 6 A Outline 5 6 B Operating Environment 5 6 C Functions 5 7 D Functions Descriptions 5 8 E Error Message 5 16 CHAPTER 5 TROUBLESHOOTING CHAPTER 4 MAINTENANCE AND SERVICING I PERIODICAL REPLACEMENT PARTS 4 1 II CONSUMABLE PARTS DURABILITY 4 1 III PERIODICAL SERVICING 4 1 IV SPECIAL TOOLS 4 1 V SOLVENTS AND LUBRICANTS 4 1 CHAPTER 6 PARTS CATALOG FIGURE 001 6 2 FIGURE 100 6 4 FIGU...

Страница 6: ...PTIONS I SPECIFICATIONS 1 1 II PARTS CONFIGURATION 1 5 A Front View 1 5 B Rear View 1 5 C FAU Front View 1 6 D FAU Rear View 1 6 III SETTING UP THE SCANNER 1 7 A Precautions 1 7 B Unlocking the Carriage Lock 1 8 C Connecting the Cables 1 9 D Scanning a Document 1 10 E Connecting FAU 1 11 IV CUSTOMER S DAILY MAINTENANCE 1 14 ...

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Страница 8: ...l resolution 1200 dpi x 2400 dpi Scanning time 3 60ms line 600 dpi or lower 7 20ms line 601 dpi or higher Cropping of scan area One rectangular area only FAU S12 Scanning Part Film type Color and monochrome negative and positive Film size 35mm sleeve preview 3 frames scan 1 frame 35mm slide mount Brownie Max 120x60mm 4x5 inches Light source Cold cathode fluorescent lamp Power source Supplied from ...

Страница 9: ... to 1013 hPa When using FAU Temperature 10 to 35 degrees Relative humidity 10 to 85 RH Air pressure 613 to 1013 hPa Power source 100V to 120V 220V to 240V Power consumption 17W max during operation 8W during standby When using FAU 20W max during operation 8W during standby Dimensions Scanner 286 0 Width x 461 0 Depth x 92 5 Height mm FAU 285 0 Width x 410 0 Depth x 31 0 Height mm Weight Scanner 3 ...

Страница 10: ...400 dpi x 4800 dpi Scanning time 4 5ms line 600 dpi or lower 9 0ms line 601 dpi or higher Cropping of scan area One rectangular area only FAU S13 Scanning Part Film type Color and monochrome negative and positive Film size 35mm sleeve preview 3 frames scan 1 frame 35mm slide mount Brownie Max 120x60mm 4x5 inches Light source Cold cathode fluorescent lamp Power source Supplied from CanoScan D2400U ...

Страница 11: ...emperature 10 to 35 degrees Relative humidity 10 to 85 RH Air pressure 613 to 1013 hPa Power source 100V to 120V 220V to 240V Power consumption 17W max during operation 8W during standby When using FAU 20W max during operation 8W during standby Dimensions Scanner 286 0 Width x 461 0 Depth x 92 5 Height mm FAU 285 0 Width x 410 0 Depth x 31 0 Height mm Weight Scanner 3 4kg FAU 1 1kg Specifications ...

Страница 12: ...00U REV 0 MARCH 2001 PRINTED IN JAPAN IMPRIME AU JAPON q Document Cover w Document Glass e Start Button q USB Connector w FAU Connector e Power Connector II PARTS CONFIGURATION A Front View Figure 1 1 B Rear View Figure 1 2 A4 LTR B5 A 4 1 3 2 L T R B 5 1 2 3 ...

Страница 13: ...COPYRIGHT 2001 CANON INC CANOSCAN D1230U D2400U MARCH 2001 PRINTED IN JAPAN IMPRIME AU JAPON C FAU Front View q FAU Cable w Start Button Figure 1 3 D FAU Rear View q Protective Cover Figure 1 4 F i l m S c a n 2 1 1 ...

Страница 14: ...irect sunlight Direct exposure to the sun or excessive heat may cause damage to the scanner Do not install the scanner in a humid or dusty environment Use the supplied AC adapter only Place the scanner securely on an even flat surface Tilted or uneven surface may cause a mechanical problem Keep the outer carton and packing material in case you may ship the scanner in the future ...

Страница 15: ...JAPON q Carriage Lock B Unlocking the Carriage Lock Scanning unit is locked by the carriage lock to prevent a damage during transport Unlock the carriage lock by pushing toward the unlock mark to use the scanner Figure 1 5 Note Ensure to lock the carriage lock during transport L T R A4 LTR B5 A 4 B 5 1 ...

Страница 16: ...fer to the Getting Started guide supplied with the product for details For connecting the host computer s cables refer to the manuals for the host computer 1 Connecting the AC Adapter Cable and USB Cable 1 Connect the AC adapter cable to the power connector on the scanner 2 Connect the square plug B type of the USB cable to the USB connector on the scanner and connect the flat plug A type of the U...

Страница 17: ...D Scanning a Document 1 Open the document cover 2 Place a document on the document glass facing the image side down and aligning the upper corner with the alignment mark Figure 1 7 3 Close the document cover caring not to dislodge the document 4 Send SCAN command from the host computer to scan A4 LTR B5 A 4 B 5 X Y Z 1 T R L ...

Страница 18: ...g Up FAU 1 Remove the document cover and unlock the carriage lock 2 Attach FAU to the scanner Figure 1 8 A4 LTR B5 A 4 B 5 1 L T R FAU cable is connected to the FAU connector on the scanner Refer to the Getting Started guide supplied with the product for details For connecting the host computer s cables refer to the manuals for the host computer ...

Страница 19: ...CH 2001 PRINTED IN JAPAN IMPRIME AU JAPON q FAU Cable w FAU Connector 2 Connecting FAU Cable to FAU Connector on the Scanner 1 Connect the AC adapter cable to the power connector on the scanner 2 Connect the FAU cable to the FAU connector on the scanner Figure 1 9 1 2 ...

Страница 20: ... 13 COPYRIGHT 2001 CANON INC CANOSCAN D1230U D2400U REV 0 MARCH 2001 PRINTED IN JAPAN IMPRIME AU JAPON q Protective Cover 3 Remove the protective cover Figure 1 10 L T R A4 LTR B5 A 4 B 5 L T R A4 LTR B5 A 4 B 5 1 ...

Страница 21: ...TENANCE Dirt on the document glass may cause an unclear image or lines on an image Clean the document glass using the following steps 1 Disconnect all cables from the scanner 2 Wipe a dirt off the document glass with a soft clean cloth dampened with water and well wrung 3 Thoroughly wipe water off the document glass with a dry cloth ...

Страница 22: ...equence 2 6 II OPTICAL SYSTEM 2 7 A Outline 2 7 B Lamp Lighting Circuit 2 8 C FARE Film Automatic Retouching and Enhancement 2 10 D Motor Control Circuit 2 12 III IMAGE PROCESSING 2 13 A Outline 2 13 B Image Processing 2 13 IV CONTROL SYSTEM 2 20 A Control System Diagram 2 20 B Main PCB 2 20 V INTERFACE 2 21 A Outline of USB Standard 2 21 B Benefits of USB Scanner 2 21 C Signal Definitions 2 22 D ...

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Страница 24: ...AU JAPON I BASIC OPERATION A Functions The scanner functions are divided into optical system image processing system and control system Figure 2 1 Lens CCD BGR B G R Optical System FAU Drive Motor Scanning unit Scanning Lamp Host Computer Control System Image Processing System FARE Unit FAU Lamp IR LED ...

Страница 25: ... controller the ASIC controls the whole electrical circuits and image processing of the scanner The image signals read by the CCD are converted into digital data by analog IC The digital data is then processed by the ASIC and output to the host computer via USB interface Figure 2 2 ASIC USB Controller Regulator Motor Driver FARE Unit Drive Motor CCD PCB Analog IC Button PCB AC Adapter Host Compute...

Страница 26: ...onverter Analog to Digital Converter 2 ASIC Performs various processings DRAM control CCD timing clock creation Line buffer control CCD output line difference adjustment Image processing Binary processing Image inversion Shading correction Motor driver control 3 DRAM Stores the shading correction data when performing shading correction and the image data when scanning 4 Motor Driver Supplies power...

Страница 27: ...ton PCB VCC LED HOTKEY0 12V GND H when power LED is ON H when Start button is pressed Vbus D D GND J1 1 2 3 4 5 6 7 8 XPAGND XPAGND FAU_DET VCC CN XPAGND XPAGND XPAGND AC Adapter JP1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 LAMP_GND LAMP_GND 12V_LAMP 12V_LAMP 18VP 18VP C DGND PHI1 PHI2 PHI3 CN C DGND AGND CCD SHB CLB CCD SHG RB CCD SHR VCC C DGND AGND C DGND AGND ...

Страница 28: ...EY0 12V GND H when power LED is ON H when Start button is pressed Vbus D D GND J1 1 2 3 4 5 6 7 8 AC Adapter JP1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 OUT1B OUT1A OUT2A OUT2B JP9 1 2 3 4 To FAU To Host Computer J2 1 2 Main PCB Scanning Unit XPA XPAGND FAU_DET VCC IRLED XPAGND XPAGND XPAGND LAMP_GND LAMP_GND 12V_LAMP 12V_LAMP 18VP 18VP C DGND PHI1 PHI2 PHI3 12V_...

Страница 29: ...mputer From the scanner receives a scan command until it starts scanning After the scanner starts scanning until whole scan area specified by the host computer is scanned After the scanning unit starts moving backward until it returns to the home position To maintain the scanner ready for scan To execute calibration for setting light exposure time gain data and shading data To execute image proces...

Страница 30: ... scanning unit exposes the document and focuses the reflected light from the document on the light sensitive device CCD charge coupled device via the lens and mirrors When scanning a film FAU lamp in the Film Adapter Unit transmits the film and focuses the transmitted light on the CCD When using FARE system infrared LED transmits a film after FAU lamp does and FARE unit operates to scan the film F...

Страница 31: ...ning lamp The reflected light from the document is focused on the light sensitive device CCD charge coupled device via the five mirrors lens and FARE unit The scanner is provided with a lamp OFF function for energy saving A built in timer to be set by the device driver is counted during lamp ON and turns the scanning lamp OFF when no scan command is sent for a certain period Figure 2 7 Host Comput...

Страница 32: ...sity which transmits a film and focuses on the CCD in the scanning unit The FAU lamp also has a lamp OFF function for energy saving as in the case of the scanning lamp 3 Infrared LED Lighting Circuit When the host computer sends a command to light an infrared LED ASIC turns IRLED signal ON to light the infrared LED The infrared LED light is converted into a flat light source by a light guide plate...

Страница 33: ...on a film by transmitting a film by two light sources This system is called FARE Film Automatic Retouching and Enhancement The infrared LED scans only scratches and dirt on a film as image data This image data is compared to the full image data scanned by the FAU lamp and the overlapping data of scratches and dirt is subtracted then this area is compensated for by sampling the ambient data Accordi...

Страница 34: ...ARE unit between the CCD and lens which consists of a refraction glass for changing the light refractive index and of an electromagnetic switch for changing the position of the refraction glass Firstly the FAU lamp scans a film passing through the refraction glass Secondly the infrared LED scans a film at the same time the electromagnetic switch is turned ON to move the refraction glass to the pos...

Страница 35: ... array generates four phase motor drive pulse signals I01 I11 I02 I12 which are sent to the drive motor via motor driver When the host computer sends a command to change scaling resolution the control program commands the ASIC to change the frequency of the motor drive pulse signal to change the drive motor rotating speed Figure 2 11 Main PCB Drive Motor Host Computer ASIC Motor Driver OUT1B OUT1A...

Страница 36: ...Image Inversion 6 Image Inversion Blue Image data Processing 6 Image Inversion 2 A D Conversion Green Image data Processing Red Image data Processing B Image Processing 1 CCD The CCD is a single chip photoelectric conversion device which consists of several thousand photosensitive devices of each several microns square for reading RGB image signals with a built in scanning circuit D1230U employs 3...

Страница 37: ... 0 when input signal is 5V and outputs 65535 when input signal is reference voltage This converts 1 pixel signal into the image data of 65536 gradations for red green and blue each Figure 2 15 A D Converter Output Image Data 5V 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 CCD_B CCD_G CCD_R Blue Image Signal Green Image Signal Red Image Signal Vcc Vref Reference Voltage 2 A D Conversion Output signal from the C...

Страница 38: ...code near the full scale for an image with maximum brightness This code is called the target code The analog IC eliminates these global and pixel to pixel offset and gain errors with its Correlated Double Sampling Offset D A converter Variable Gain Amplifier VGA and Programmable Gain Amplifier PGA Calibrating an analog IC based system requires three steps 1 Offset Calibration Takes a black image a...

Страница 39: ...ontal scanning direction and the one line output of the CCD is treated as two image data in the vertical scanning direction causing a reduced image quality To prevent the image quality reduction interpolation processing is performed Figure 2 16 shows a change in image density by the interpolation processing Figure 2 16 A A B B C C D A B C D A B 2 B C 2 C D 2 Interpolation processing Image Density ...

Страница 40: ...esulting in output image deterioration Averaging is a process in which the data to be thinned and the data to be actually output are averaged and output in order to suppress the image deterioration due to the data thinning Figure 2 17 A B C D E F G H A B C D E F G H A B C D E F G H A E CCD reading data Output image data Thinned data CCD reading data Output image data Averaged data A B C D 4 ...

Страница 41: ...s parameters slice level in the slice level register when the host computer commands binary processing The comparator compares the image data with the slice level and converts the data into binary data consisting of 1 black or 0 white Figure 2 19 255 254 129 128 127 126 1 0 1 1 1 1 0 0 0 0 Binary processing Slice level Document Image data 8 bits Binary data 1 bit Output image 8 bit grayscale data ...

Страница 42: ...V 0 MAR 2001 PRINTED IN JAPAN IMPRIME AU JAPON 6 Image Inversion negative positive Image inversion is to reverse the density level of a document by inverting the color data 8 bit grayscale data or binary data Figure 2 20 ABC Image Inversion Document ABC Image Output ...

Страница 43: ...ed in the host computer includes a control program which functions as CPU Control program sends a command to the ASIC in the main PCB the ASIC controls the whole electrical circuits and image processing of the scanner Main PCB consists of ASIC DRAM USB controller analog I C and motor driver ASIC 12V Host Computer Main PCB AC Adapter Scanning Unit Inverter Scanning Lamp Drive Motor DRAM USB Control...

Страница 44: ...e of PC peripherals B Benefits of USB Scanner 1 True Plug Play Unlike the previous generation of SCSI scanners no add in cards are required to setup the USB scanners This eliminates complex procedures such as opening the box to install a card or reconfiguring the system setting DMA IRQ jumper cables etc The USB scanners are simply plugged in and unplugged at any time 2 Higher Speed USB scanner is ...

Страница 45: ... Chassis GND Pin 1 2 3 4 Shell Chassis 1 2 3 4 C Signal Definitions USB uses two differential signal lines D and D only to communicate with the host computer Table 2 2 D Interface Connection USB connector has A plug for connecting to upper layer and B plug for connecting to lower layer Figure 2 22 A Plug To Host Computer B Plug To Scanner ...

Страница 46: ...V 12V and 15V are used in the circuit 3 3V and 5V are supplied for the digital circuit and linear chip 15V is for the CCD PCB and 12V is for the motor driver and scanning lamp 12V AC Adapter 12V to 15V Step up switching Regulator 12V to 5V Linear Regulator Motor Driver Main PCB CCD PCB 15V to 12V Linear Regulator CCD Analog IC Drive Motor PWM PWM Inverter Scanning Lamp Inverter FAU Lamp FAU 5VRegu...

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Страница 48: ... PARTS REPLACEMENT 3 1 A Precautions 3 1 II EXTERNALS 3 2 A Removing the Document Cover 3 2 B Removing the Top Cover and Document Glass 3 3 III PCBs 3 4 A Removing the Main PCB 3 4 B Removing the Button PCB 3 6 IV OPTICAL SYSTEM 3 9 A Removing the Scanning Unit 3 9 B Removing the Drive Motor 3 15 C Attaching the Drive Motor 3 17 ...

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Страница 50: ...ner before replacing the parts Wear anti static gloves and grounding strap around the wrist during the work Follow the instructed steps Do not remove any screw from the parts that is not to be replaced Store the removed parts in a clean place and avoid missing Attach the parts in reverse order of the removing steps unless otherwise specified After replacement check the quantity and shape of the re...

Страница 51: ...00U REV 0 MARCH 2001 PRINTED IN JAPAN IMPRIME AU JAPON q Document Cover w Main Frame II EXTERNALS A Removing the Document Cover 1 Open the document cover until it is perpendicular to the main frame then lift to remove it Figure 3 1 A4 LTR B5 A 4 B 5 L T R 1 2 ...

Страница 52: ... 0 MARCH 2001 PRINTED IN JAPAN IMPRIME AU JAPON q Screw w Top Cover e Document Glass B Removing the Top Cover and Document Glass 1 Remove two screws from the top cover then lift the top cover and document glass to remove them Figure 3 2 A4 A 4 LTR L T R B5 B 5 1 2 3 ...

Страница 53: ... CANON INC CANOSCAN D1230U D2400U REV 0 MARCH 2001 PRINTED IN JAPAN IMPRIME AU JAPON q Screw w Main PCB III PCBs A Removing the Main PCB 1 Remove three screws from the bottom of the scanner to take out the main PCB Figure 3 3 1 2 ...

Страница 54: ...AN D1230U D2400U REV 0 MARCH 2001 PRINTED IN JAPAN IMPRIME AU JAPON q Drive Motor Cable w Button PCB Cable e Scanning Unit Cable Flat Cable 2 Disconnect the cables for the drive motor button PCB and scanning unit from the main PCB Figure 3 4 2 1 3 ...

Страница 55: ...01 CANON INC CANOSCAN D1230U D2400U REV 0 MARCH 2001 PRINTED IN JAPAN IMPRIME AU JAPON 1 2 q Cable Clamp w Ferrite Core Figure 3 5 B Removing the Button PCB 1 Remove the main PCB 2 Cut two cable clamps to remove the ferrite core ...

Страница 56: ...SCAN D1230U D2400U REV 0 MARCH 2001 PRINTED IN JAPAN IMPRIME AU JAPON q Screw w Cable Cover e Cable Clamp 3 Remove the top cover and document glass 4 Remove two screws from the cable cover to remove it then cut two cable clamps Figure 3 6 1 2 3 ...

Страница 57: ...TED IN JAPAN IMPRIME AU JAPON q Screw w Button PCB 5 Remove the screw from the button PCB to remove it Figure 3 7 Note When assembling make sure to tie the cables for the drive motor and button PCB together with four cable clamps and attach the ferrite core See Figure 3 5 and 3 6 1 2 ...

Страница 58: ...PTICAL SYSTEM A Removing the Scanning Unit 1 Remove the main PCB 2 Remove two cable clamps to remove the ferrite core 3 Remove the top cover and document glass 4 Remove two screws from the cable cover to remove it then cut two cable clamps 5 Rotate the gear mounted on the drive motor to move the scanning unit away from the home position Figure 3 8 1 2 3 ...

Страница 59: ... JAPAN IMPRIME AU JAPON q Screw w Gear Plate 2 e Spring r Sliding Rod 6 Remove two screws that fix the gear plate 2 on the sliding rod to remove the gear plate 2 and spring Figure 3 9 Note When fixing the gear plate 2 on the sliding rod use the spring to adjust the drive belt tension 1 2 3 4 ...

Страница 60: ... 3 3 11 COPYRIGHT 2001 CANON INC CANOSCAN D1230U D2400U REV 0 MARCH 2001 PRINTED IN JAPAN IMPRIME AU JAPON q Screw w Drive Motor 7 Remove the screw that fixes the drive motor on the main frame Figure 3 10 1 2 ...

Страница 61: ...2001 CANON INC CANOSCAN D1230U D2400U REV 0 MARCH 2001 PRINTED IN JAPAN IMPRIME AU JAPON q Scanning Unit w Sliding Rod 8 Slide the sliding rod in the arrow direction then lift with the scanning unit to remove it Figure 3 11 2 1 ...

Страница 62: ...CANON INC CANOSCAN D1230U D2400U REV 0 MARCH 2001 PRINTED IN JAPAN IMPRIME AU JAPON q Scanning Unit w Drive Belt 9 Remove the drive belt from the scanning unit Figure 3 12 Note Do not remove the flat cable from the scanning unit 1 2 ...

Страница 63: ... 3 3 14 COPYRIGHT 2001 CANON INC CANOSCAN D1230U D2400U REV 0 MARCH 2001 PRINTED IN JAPAN IMPRIME AU JAPON q Scanning Unit w Sliding Rod 10 Pull out the sliding rod to remove the scanning unit Figure 3 13 1 2 ...

Страница 64: ...01 PRINTED IN JAPAN IMPRIME AU JAPON q Drive Belt w Drive Motor e Gear B Removing the Drive Motor 1 Remove the main PCB 2 Remove the top cover and document glass 3 Remove the scanning unit 4 Pull the drive belt through the gear to remove it from the drive motor Figure 3 14 1 3 2 ...

Страница 65: ...COPYRIGHT 2001 CANON INC CANOSCAN D1230U D2400U REV 0 MARCH 2001 PRINTED IN JAPAN IMPRIME AU JAPON Figure 3 15 q Sliding Rod w Drive Motor e Screw 5 Remove the screw that fixes the drive motor on the sliding rod 1 3 2 ...

Страница 66: ...ew 3 Pass the drive belt through the gear on the drive motor 4 Attach the scanning unit Note When assembling make sure to tie the cables for the drive motor and button PCB together with four cable clamps and attach the ferrite core See Figure 3 5 and 3 6 C Attaching the Drive Motor 1 Apply grease EM 50L to the gear on the drive motor as shown by arrows caring not to apply it to the other part ...

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Страница 68: ...D2400U REV 0 MARCH 2001 PRINTED IN JAPAN IMPRIME AU JAPON CHAPTER 4 MAINTENANCE AND SERVICING I PERIODICAL REPLACEMENT PARTS 4 1 II CONSUMABLE PARTS DURABILITY 4 1 III PERIODICAL SERVICING 4 1 IV SPECIAL TOOLS 4 1 V SOLVENTS AND LUBRICANTS 4 1 ...

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Страница 70: ...U JAPON I PERIODICAL REPLACEMENT PARTS None II CONSUMABLE PARTS DURABILITY None III PERIODICAL SERVICING None IV SPECIAL TOOLS None V SOLVENTS AND LUBRICANTS Grease used for disassembly and reassembly of the scanner Name MOLYKOTE EM 50L Tool No TKC 0955 Usage To be applied to the gear of the motor assembly ...

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Страница 72: ...OOTING FLOWCHART 5 2 A Power LED Failure 5 2 B Communication Failure 5 3 III PROBLEM CAUSE AND CORRECTIVE ACTION 5 4 A Power LED Not Lighting 5 4 B Communication Failure 5 4 C Scanning Unit Movement Failure 5 5 D Poor Image Quality 5 5 E Acoustic Noise 5 5 IV CANON SCANNER TEST 5 6 A Outline 5 6 B Operating Environment 5 6 C Functions 5 7 D Functions Descriptions 5 8 E Error Message 5 16 ...

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Страница 74: ...humidity conform to the operating environment Refer to CHAPTER 1 I SPECIFICATIONS The scanner is not setup near a water faucet boiler humidifier open flame or in dusty place The scanner is not exposed to direct sunlight If it is inevitable to setup in a sunny place hang a curtain to block direct sunlight The scanner is setup in a well ventilated place B Others Moving a scanner from a cold place to...

Страница 75: ...NC CANOSCAN D1230U D2400U REV 0 MARCH 2001 PRINTED IN JAPAN IMPRIME AU JAPON II TROUBLESHOOTING FLOWCHART A Power LED Failure Figure 5 1 Unlock Carriage Lock Connect AC Adapter Power LED is ON Connect USB cable No Yes Table 5 1 Figure 5 2 ...

Страница 76: ...00U REV 0 MARCH 2001 PRINTED IN JAPAN IMPRIME AU JAPON B Communication Failure Figure 5 2 Scan Communication failed Scanning Unit failed to move Yes Table 5 2 Yes Table 5 3 Yes Table 5 4 No Poor image quality No Acoustic noise generated Yes No Table 5 5 End No ...

Страница 77: ...om the scanner AC adapter output voltage failure Main PCB failure Main PCB connection failure Related Parts None None AC Adapter Main PCB None Check Method Visual check Visual check Output voltage 12V check Tester check 12V GND Visual check Corrective Action Plug the AC adapter into the outlet Connect the AC adapter cable to the power connector on the scanner Replace the AC adapter Replace the mai...

Страница 78: ...in PCB failure CCD PCB failure Scanning unit Document glass Main PCB Scanning unit Visual check Visual check Trial replacement Trial replacement Replace the scanning unit Clean the document glass Replace the main PCB Replace the scanning unit Possible Cause Related Parts Check Method Corrective Action Motor assembly failure Main PCB failure Scanning unit failure Dirt on sliding rod Reference sheet...

Страница 79: ...or Japanese is switched according to the language to be used in Windows Macintosh chk12302400e English chk12302400j Japanese B Operating Environment The following environment is required for operating the Canon Scanner Test Windows platform CanoScan D1230U D2400U PC AT Compatibles Pentium or later Windows 98 OS D1230U D2400U Device Driver Macintosh platform CanoScan D1230U D2400U Power Macintosh M...

Страница 80: ...Self Test CanoScan D1230U D2400U self test is executed 4 Scan An image is scanned at any resolution and saved as an image file in the folder of Canon Scanner Test 5 Film Scan 35mm sleeve negative film is scanned by FAU lamp and Infrared LED with FARE function when using FAU then saved as two image files in the folder of Canon Scanner Test The film is set in the sleeve film holder 1 and scanned at ...

Страница 81: ...elect USB Information from the Function menu to display as shown in Figure 5 3 Windows Figure 5 3 Vendor Description Manufacturer name of the scanner Canon Inc Device Description Product name of the scanner CanoScan D1230U or CanoScan D2400U Port Name Port name of the scanner recognized by Windows Local Name Product name of the scanner CanoScan D1230U or CanoScan D2400U ...

Страница 82: ...formation Select Scanner information from the Function menu to display as shown in Figure 5 4 Windows Figure 5 5 Macintosh Figure 5 4 Figure 5 5 Vendor ID Manufacturer name of the scanner CANON Product ID IX 24015H CanoScan D2400U or IX 12145G CanoScan D1230U ROM Version Firmware version of the control program of the scanner ...

Страница 83: ...NON INC CANOSCAN D1230U D2400U REV 0 MARCH 2001 PRINTED IN JAPAN IMPRIME AU JAPON 3 Scanner Self Test Select Scanner self test from the Function menu to display as shown in Figure 5 6 Windows Figure 5 7 Macintosh Figure 5 6 Figure 5 7 ...

Страница 84: ... 2001 PRINTED IN JAPAN IMPRIME AU JAPON Click OK to start scanner self test When it is completed normally a dialog is displayed as shown in Figure 5 8 Windows Figure 5 9 Macintosh Figure 5 8 Figure 5 9 When an error occurs refer to E Error Message to take a corrective action ...

Страница 85: ...GHT 2001 CANON INC CANOSCAN D1230U D2400U REV 0 MARCH 2001 PRINTED IN JAPAN IMPRIME AU JAPON Figure 5 11 4 Scan Select Scan from the Function menu to display as shown in Figure 5 10 Windows Figure 5 11 Macintosh Figure 5 10 ...

Страница 86: ...ed Image handling When Read in memory no file is selected the image is read into the memory then abandoned after readout When Save to TIFF file is selected for handling an scanned image the file of img0 tif is saved in the folder of the Canon Scanner Test When scan count is set at 2 or more the file of img0 tif img1 tif img2 tif are saved File space to be saved is as follows 150 dpi 6 5 MB 300 dpi...

Страница 87: ...001 CANON INC CANOSCAN D1230U D2400U REV 0 MARCH 2001 PRINTED IN JAPAN IMPRIME AU JAPON 5 Film Scan Select Film Scan from the Function menu to display as shown in Figure 5 12 Windows Figure 5 13 Macintosh Figure 5 12 Figure 5 13 ...

Страница 88: ...le is selected the image is read into the memory then abandoned after readout When Save to TIFF file is selected two image files scanned by FAU lamp and infrared LED are saved Color24 tif and IR tif are saved in the folder of the Canon Scanner Test IR tif is an image of only dirt or dust on the film when FARE function is used If FARE function does not normally operate IR tif image appears all blac...

Страница 89: ...able to find the scanner Check if the cables are connected properly Cause Scanner is not detected by the host computer Corrective Action Refer to the II Troubleshooting Flowchart 5 Failed to read scanner information Cause Scanner is not detected by the host computer Corrective Action Refer to the II Troubleshooting Flowchart 6 Failed to create a file Failed to open a file Failed to close a file Fa...

Страница 90: ...COPYRIGHT 2001 CANON INC CANOSCAN D1230U D2400U REV 0 MARCH 2001 PRINTED IN JAPAN IMPRIME AU JAPON CHAPTER 6 PARTSCATALOG FIGURE 001 6 2 FIGURE 100 6 4 FIGURE 200 6 6 FIGURE 300 6 8 ...

Страница 91: ......

Страница 92: ...COPYRIGHT 2001 CANON INC CANOSCAN D1230U D2400U REV 0 MARCH 2001 PRINTED IN JAPAN IMPRIME AU JAPON 6 1 CanoScan D1230U CanoScan D2400U ...

Страница 93: ...6 2 COPYRIGHT 2001 CANON INC CANOSCAN D1230U D2400U REV 0 MARCH 2001 PRINTED IN JAPAN IMPRIME AU JAPON FIGURE 001 ACCESSORY 2 3 1 4 8 5 6 7 ...

Страница 94: ...PTION SERIAL NUMBER REMARKS Q T Y PART NUMBER R A N K 001 01 02 03 04 05 06 07 08 NIC BXDC 002 NIP WFS0 735 NIP WFS0 737 NIP WFS0 738 NIP WFS0 739 NIP WFS0 740 NIP WFS0 741 NIP WFS0 742 CABLE USB ADAPTOR AC ADAPTOR AC ADAPTOR AC ADAPTOR AC ADAPTOR AC ADAPTOR AC ADAPTOR AC 1 1 1 1 1 JAPAN USA CAN LA EUR UK HK AUS SPL MLC KOR ...

Страница 95: ...4 COPYRIGHT 2001 CANON INC CANOSCAN D1230U D2400U REV 0 MARCH 2001 PRINTED IN JAPAN IMPRIME AU JAPON FIGURE 100 D1230U A4 A 4 LTR L T R B5 B 5 1 5 9 10 6 13 12 15 14 11 2 8 7 6 16 17 2 18 2 20 19 3 2 4 21 ...

Страница 96: ... NIM L103 700 NIB LHTS F18 NIM U102 300 NIA YFSC 223 NIS X000 700 NIA YFSC 268 NIP N502 100 NIP N400 300 NIA YFSC 236 NIA YFSC 316 NIP S200 100 NIR C201 200 NPN NPN DOCUMENT COVER ASSEMBLY SCREW M3X8 SELF TAPPING LOCK CARRIAGE COVER TOP PLATEN GLASS ASSEMBLY SCREW M3X8 BH PLATE GEAR 2 SPRING BELT DRIVE RUBBER SLIDING ROD MOTOR ASSEMBLY SCREW M3X8 SELF TAPPING BUTTON PCB ASSEMBLY BUTTON FUNCTION CL...

Страница 97: ...6 COPYRIGHT 2001 CANON INC CANOSCAN D1230U D2400U REV 0 MARCH 2001 PRINTED IN JAPAN IMPRIME AU JAPON FIGURE 200 D2400U A4 A 4 LTR L T R B5 B 5 1 5 9 10 6 13 12 15 14 11 2 8 7 6 16 17 2 18 2 20 19 3 2 4 21 ...

Страница 98: ... NIM L103 700 NIB LHTS F18 NIM U102 300 NIA YFSC 251 NIS X000 700 NIA YFSC 268 NIP YFSC 377 NIP N400 300 NIA YFSC 255 NIA YFSC 313 NIP S200 100 NIR C201 200 NPN NPN DOCUMENT COVER ASSEMBLY SCREW M3X8 SELF TAPPING LOCK CARRIAGE COVER TOP PLATEN GLASS ASSEMBLY SCREW M3X8 BH PLATE GEAR 2 SPRING BELT DRIVE RUBBER SLIDING ROD MOTOR ASSEMBLY SCREW M3X8 SELF TAPPING BUTTON PCB ASSEMBLY BUTTON FUNCTION CL...

Страница 99: ...6 8 COPYRIGHT 2001 CANON INC CANOSCAN D1230U D2400U REV 0 MARCH 2001 PRINTED IN JAPAN IMPRIME AU JAPON FIGURE 300 FAU S12 FAU S13 F i l m S c a n 2 1 ...

Страница 100: ...EV 0 MARCH 2001 PRINTED IN JAPAN IMPRIME AU JAPON 6 9 FIGURE KEY NO DESCRIPTION SERIAL NUMBER REMARKS Q T Y PART NUMBER R A N K 300 01 02 NIA YFSC 331 NIA YFSC 332 NIA YFSC 261 FILM ADAPTOR UNIT FILM ADAPTOR UNIT COVER PROTECTIVE 1 1 1 FAU S12 FAU S13 ...

Страница 101: ......

Страница 102: ...REV 0 MARCH 2001 PRINTED IN JAPAN IMPRIME AU JAPON I GENERAL CIRCUIT DIAGRAM CanoScan D1230U A 1 II GENERAL CIRCUIT DIAGRAM CanoScan D2400U A 2 APPENDIX III MAIN PCB CIRCUIT DIAGRAM CanoScan D1230U A 3 IV MAIN PCB CIRCUIT DIAGRAM CanoScan D2400U A 10 ...

Страница 103: ......

Страница 104: ... 1 2 3 4 Vbus D D GND LAMP_GND LAMP_GND 12V_LAMP 12V_LAMP 18VP 18VP C DGND PHI1 PHI2 PHI3 CN C DGND AGND CCD SHB CLB CCD SHG RB CCD SHR VCC C DGND AGND C DGND AGND CCD_B AGND CCD_G AGND CCD_R 22 XPAGND XPAGND FAU_DET VCC CN XPAGND XPAGND XPAGND 1 2 3 VCC LED HOTKEY0 1 2 3 4 OUT1B OUT1A OUT2A OUT2B JP9 J1 JP1 Main PCB Button PCB JP2 Drive Motor JP8 1 2 12V GND J2 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1 FAU...

Страница 105: ...3 4 Vbus D D GND LAMP_GND LAMP_GND 12V_LAMP 12V_LAMP 18VP 18VP C DGND PHI1 PHI2 PHI3 12V_VAROS ASIC_VAROS AGND CCD SHB CLB CCD SHG RB CCD SHR VCC C DGND AGND C DGND AGND CCD_B AGND CCD_G AGND CCD_R 22 XPA XPAGND FAU_DET VCC IRLED XPAGND XPAGND XPAGND 1 2 3 VCC LED HOTKEY0 1 2 3 4 OUT1B OUT1A OUT2A OUT2B JP9 J1 JP1 Main PCB Button PCB JP2 Drive Motor JP8 1 2 12V GND J2 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2...

Страница 106: ...4 1 2 C133 U12 VI GND VO EL9 PS3 1 2 C117 U17 VI GND VO C88 C86 C132 DGND AGND 12V AVCC VCC PWRGND DGND C81 C83 R52 U13 SW_C 1 SW_E 2 TC 3 GND 4 INV 5 VCC 6 IS 7 D_C 8 R49 L5 R50 C89 D6 R53 C84 C85 C82 U14A 1 2 14 7 R51 R74 PWRGND PWRGND PWRGND ASIC_VCC PWRGND 12V PWRGND VCC3V R61 R62 C98 C100 C101 R63 R64 U14B 3 4 14 7 C102 C97 R60 D8 C103 R59 C96 R7 Q11 U14C 5 6 14 7 C99 PWRGND PWRGND PWRGND 18V...

Страница 107: ...094 093 092 091 090 089 088 087 086 085 084 083 082 081 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 SYSBUS6 SYSBUS5 SYSBUS4 SYSBUS7 SYSBUS0 SYSBUS1 SYSBUS2 BUSY SYSBUS3 U19 160 159 158 157 156 155 154 153 152 151 ...

Страница 108: ...BUS10 WE S_DBUS12 LDQM S_DBUS5 U7 IRAM_A0 IRAM_A1 IRAM_A2 IRAM_A3 IRAM_A4 IRAM_A5 IRAM_A6 IRAM_A7 IRAM_A8 D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 VCC VCC VCC VSS VSS VSS OE WE RASD UCA LCA NC1 NC2 NC4 NC3 T_DBUS5 T_DBUS15 T_nRAS T_DBUS13 T_DBUS8 T_DBUS6 T_nOE T_DBUS11 T_nLCAS T_DBUS0 T_DBUS9 T_DBUS4 T_DBUS3 T_DBUS7 T_nUCAS T_DBUS14 T_DBUS1 T_DBUS12 T_DBUS10 T_nWE T_DBUS2 T_ABUS0 T_AB...

Страница 109: ...GND DGND U16 CLKOUT URST IOR WR IOW WAIT D0 D1 D2 D3 VCC GND D4 D5 D6 D7 VCP D D VC GND NCO ASTRB DSTRB A3 INIT A2 GPIO7 A1 GPIO6 A0 GPIO5 DRQ GPIO4 DACK GPIO3 GND VCC EOP GPIO2 CS GPIO1 INT MODE RSTYPE OSCSEL X1 X2 NC2 NC1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 R65 GPIO4 FAU_KEY GPIO3 nAUTOFD nACK HOTKEY0 nSELIN Y1 C111 R69 R...

Страница 110: ...GND 19 I01 20 OUT1B 21 JP8 1 2 3 4 MOTORGND MOTORGND MOTORGND I02 C65 R32 I12 9 PHASE2 10 VREF2 11 RC1 14 VREF1 15 PHASE1 16 I11 COMP_IN1 22 SENSE1 23 LOADSUPPLY 24 RC2 12 LOGICSUPPLY 13 R39 C63 C66 C62 MOTORGND DGND DGND VCC MOTORGND I11 I01 PHASE1 I12 PHASE2 C55 R34 C56 R35 C61 ER4 ER5 R28 ER6 R30 C58 R33 C60 C57 EL11 12VM MOTORGND DGND 12V DGND C64 Q9 R40 R38 R36 DGND DGND R37 R41 Q10 DGND DGND...

Страница 111: ...EY 12VL C5 EL2 EL4 EL3 JP1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 C8 LAMPGND C DGND LAMPGND LAMPGND LAMPGND AGND LAMP CCD_SHR CLB RB C14 D2 L2 C7 R4 C15 Q3 Q4 C6 R8 R5 12VL LAMPGND LAMPGND LAMPGND LAMPGND Q6 R17 R14 D13 R18 EL7 D14 EL13 C21 JP2 1 2 3 D11 D12 Q8 XPAGND XPAGND PWRGND ASIC_VCC VCC DGND DGND DGND Q12 C19 R19 C20 DGND ASIC_VCC XPA MTATHOME PHI1 CCD_S...

Страница 112: ... C33 C34 ER17 C37 C25 AGND AGND AGND AVCC DGND CCD_R CCD_G CCD_B SEN SDO SD C24 AVCC EL38 C36 U6 VA1 3 OSR 5 VREF 8 VRefMid 2 OSG 7 VREF 6 OS 9 AGND1 4 AGND2 11 CLMP 18 VSMP 17 MCLK 16 SCLK 15 SDI 13 SEN 12 SDO 14 VD 20 DGND 19 VBandGap 1 VA 10 D7 28 D6 27 D5 26 D4 25 D3 24 D2 23 D1 22 D0 21 C35 DGND ASIC_VCC CLMP VSMP MCLK SC OP11 OP13 OP12 OP10 OP9 OP8 OP7 OP6 ...

Страница 113: ...86 PS4 1 2 C133 U12 VI GND VO EL9 PS3 1 2 C117 U17 VI GND VO C88 C86 C132 DGND AGND 12V AVCC VCC PWRGND DGND C81 C83 R52 U13 SW_C 1 SW_E 2 TC 3 GND 4 INV 5 VCC 6 IS 7 D_C 8 R49 L5 R50 C89 D6 R53 C84 C85 C82 U14A 1 2 14 7 R51 R74 PWRGND PWRGND PWRGND ASIC_VCC PWRGND 12V PWRGND VCC3V R61 R62 C98 C100 C101 R63 R64 U14B 3 4 14 7 C102 C97 R60 D8 C103 R59 C96 L7 Q11 U14C 5 6 14 7 C99 PWRGND PWRGND PWRGN...

Страница 114: ...094 093 092 091 090 089 088 087 086 085 084 083 082 081 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 SYSBUS6 SYSBUS5 SYSBUS4 SYSBUS7 SYSBUS0 SYSBUS1 SYSBUS2 BUSY SYSBUS3 U19 160 159 158 157 156 155 154 153 152 151 ...

Страница 115: ...48 50 51 53 1 14 27 28 41 54 9 43 49 6 12 46 3 52 C43 C44 C46 C45 C48 C49 C50 C41 C47 DGND VCC3V DGND VCC3V S_DBUS7 S_DBUS8 S_DBUS6 S_DBUS4 S_DBUS11 S_DBUS1 S_DBUS10 S_DBUS15 S_DBUS13 S_DBUS5 S_DBUS0 S_DBUS14 S_DBUS9 S_DBUS2 S_DBUS12 S_DBUS3 U7 IRAM_A0 IRAM_A1 IRAM_A2 IRAM_A3 IRAM_A4 IRAM_A5 IRAM_A6 IRAM_A7 IRAM_A8 D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 VCC1 VCC2 VCC3 VSS1 VSS2 VSS3...

Страница 116: ...BUS6 DGND DGND U16 CLKOUT URST IOR WR IOW WAIT D0 D1 D2 D3 VCC GND D4 D5 D6 D7 VCP D D VCC GND NCO ASTRB DSTRB A3 INIT A2 GPIO7 A1 GPIO6 A0 GPIO5 DRQ GPIO4 DACK GPIO3 GND VCC EOP GPIO2 CS GPIO1 INT MODE RSTYPE OSCSEL X1 X2 NC2 NC1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 R65 GPIO4 FAU_KE GPIO3 nAUTOFD nACK HOTKEY0 nSELIN Y C111 ...

Страница 117: ... GND 19 I01 20 OUT1B 21 JP8 1 2 3 4 MOTORGND MOTORGND MOTORGND I02 C65 R32 I12 9 PHASE2 10 VREF2 11 RC1 14 VREF1 15 PHASE1 16 I11 COMP_IN1 22 SENSE1 23 LOADSUPPLY 24 RC2 12 LOGICSUPPLY 13 R39 C63 C66 C62 MOTORGND DGND DGND VCC MOTORGND I11 I01 PHASE1 I12 PHASE2 C55 R34 C56 R35 C61 ER4 ER5 R28 ER6 R30 C58 R33 C60 C57 EL11 12VM MOTORGND DGND 12V DGND C64 Q9 R40 R38 R36 DGND DGND R37 R41 Q10 DGND DGN...

Страница 118: ...6 27 28 LAMPGND 18VP LAMPGND C DGND AGND CLB RB C14 C5 D2 L2 C7 R4 C15 Q3 Q4 C6 R8 R5 C8 TRA CE T1 12VL LAMPGND LAMPGND LAMPGND LAMPGND LAMPGND LAMP 1 2 3 4 5 6 7 8 FG PS5 1 2 Q6 L3 C17 D3 C16 ASIC_VCC XPAGND XPAGND PWRGND XPAGND XPAGND Q5 C12 R11 C13 R9 R10 XPAGND XPAGND XPA CCD_B CCD_G CCD_R EL1 EL12 EL3 EL6 EL8 LAMPGND C DGND CCD_SHR PHI1 CCD_SHG PHI3 CCD_SHB R16 R15 S1 C20 VCC DGND DGND DGND V...

Страница 119: ...C33 C34 ER17 C37 C25 AGND AGND AGND AVC DGND CCD_R CCD_G CCD_B SEN SDO SD C24 AVCC EL38 C36 U6 VA1 3 OSR 5 VREF 8 VRefMid 2 OSG 7 VREF 6 OSB 9 AGND1 4 AGND2 11 CLMP 18 VSMP 17 MCLK 16 SCLK 15 SDI 13 SEN 12 SDO 14 VD 20 DGND 19 VBandGap 1 VA2 10 D7 28 D6 27 D5 26 D4 25 D3 24 D2 23 D1 22 D0 21 C35 DGND ASIC_VCC CLMP VSMP MCLK SCK OP11 OP13 OP12 OP10 OP9 OP8 OP7 OP6 ...

Страница 120: ...COPYRIGHT 2001 CANON INC CANOSCAN D1230U D2400U REV 0 MARCH 2001 PRINTED IN JAPAN IMPRIME AU JAPON PRINTED IN JAPAN IMPRIME AU JAPON 0301M0 04 1 CANON INC ...

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