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Part Number

Description Comment

V1.0

49.61602.021

Manual (Multi-l) MiraPhoto V1.0

60.61619.074

ASSY CD 6620

V1+PE2(6-lingo),including
potoship5.0LE

60.61619.044

ASSY CD 6620
V1+PE2(4-lingo),including

potoshop5.0Le

Power Cord

27.01818.000

(120V

USA)

27.02718.000

(230V

Europe)

27.01018.000

(240V

British)

27.01518.051

(240V

Australia)

27.04275.001 (220V

China)

27.01818.000

(110V

Taiwan)

Others

22.80012.001

Stepping motor (Small one) -
For Scan module focus

22.80014.132

Stepping motor (Biggest one) -

For moving film holder

22.80023.031

DC motor (Smallest one) - For

scanning

60.61614.001

Assy Gear +Rack+TL (Including
E-Ring)

42.61602.011

GearB-2,(new with fiber-glass)

60.S0601.001

Assy Housing ID

60.61603.001 Assy

Pully

Note: This information is subject to change without notice. Please contact

BENQ for most updated information.

Содержание 2720S

Страница 1: ...BENQ PROFESSIONAL FILM SCANNER SCANWIT 2740S SERVICE GUIDE ...

Страница 2: ......

Страница 3: ...amental of Optic Process 3 1 3 2 Scan Process 3 2 Chapter 4 Mechanism 4 5 4 1 Optics Module 4 5 4 2 Transmission Module 4 8 Chapter 5 Electrical Systems 5 1 5 1 Overview 5 1 5 2 SCSI Interface 5 5 5 3 Scanner Controller ASIC µP 5 7 5 4 Analog Circuits 5 8 5 5 CCD Head Elements 5 9 5 6 Main Flow Chart of Film Scanner 5 10 5 7 Connectors of Scanner 2740S 5 11 Table of Contents API Confidential i No ...

Страница 4: ... 9 Flash 7 and 8 times 6 2 6 10 Scan Quality not Good 6 3 6 11 Power Supply 6 3 6 12 CCD Head 6 3 Chapter 7 Maintenance 7 1 7 1 Precaution 7 1 7 2 Housing Section 7 1 7 3 Transmission Section 7 3 7 4 PCB frame Section 7 5 7 5 Panel Board Section 7 6 7 6 About Resolution 7 7 Appendix A Frequently Asked Questions A 1 A 1 General Questions A 1 A 2 MiraPhoto A 2 A 3 Hardware Scanner A 6 A 4 Others A 9...

Страница 5: ...ring Information B 1 B 1 Ordering Information B 1 B 2 Spare Parts List B 1 Appendix C Explosive Diagram B 1 C 1 Ordering Information B 1 C 2 Spare Parts List B 1 Table of Contents API Confidential iii No Copy Reproduction allowed ...

Страница 6: ......

Страница 7: ...uto loading mechanism can preview scan up to six frames at one time 3 2D high dynamic range for greater color fertility 3 channel ASIC and A D converter design for accurate color registration All software with this scanner is Year 2000 compliant Implement DICE technology Digital defect correction technology Automatic object handling mechanism can preview scan six frames of image in one click The f...

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Страница 9: ...scan 4 units Filmstrip 35mm size Max batch scan 6 units Interface SCSI II Scan Velocity Calibration Color 5 sec Scan Speed Color less then 10ms line less than 38s 35mm film 2700dpi Preview Speed Color 5sec for 35mm film Transmission 2 Megabyte sec Scan Mode ICE Mode High Speed Mode High Quality mode 24 bits pixel High Quality mode 36 bits pixel Demission 162mm 151mm 347mm W H L Net Weight 2 6 kgs ...

Страница 10: ...ironment Requirement Operational Temperature 10 to 40 Relative Humidity 10 to 90 2 2 Sectional Diagram The main parts of the scanner are shown in the Figure 2 1 Figure 2 2 and Figure 2 3 and Figure 2 34 and the names of the parts are listed in Table 2 1 Table 2 2 Table 2 3 and Table 2 34 2 2 API Confidential Specifications and Section Names No Copy Reproduction allowed ...

Страница 11: ...0 Bot Tape 36 E Ring 5 Panel Board 21 Foot Rubber 37 Screw 6 Pulley Frame 22 Bracket 38 Screw 7 P Spring 1 23 Spring Top base 39 Screw 8 Pulley 24 Spring 40 Screw 9 E Ring 25 Wire Frame 41 Screw 10 Shield 26 Wire 42 Screw 11 Sensor Board 27 Shaft 43 Screw Specifications and Section Names API Confidential 2 3 No Copy Reproduction allowed ...

Страница 12: ...k 1 2 Tuning Holes Tape 12 E Ring Plastic Nylon 2 1 5 0 5T 3 Lens Window Cover 13 Gear B 2 4 SCRW SHM3 0 5 5 SCM3 14 SCRW MACH PAN M2 6L NI 5 Lens 15 Sensor 6 CCD Board 16 Bracket 7 CCD Board Cover 17 Gear B 1 8 Shaft L 18 Motor 7 5G M25SP 3NP 86 ohm 9 SCRW PAN W FLT SPG M3 8L B ZN 19 SCRW MACH PAN W SPG M3 6L NI 10 SCRW MACH PAN W SPG M3 6L NI 20 Spring T Table 2 2 CCD Module Section Parts List 2...

Страница 13: ...oard 6 Power Inlet 2 Main Board 7 Screw 3 Power Shield 8 Screw 4 Power Board 9 Screw 5 SCSI ID Switch 10 Insulation Table 2 3 PCB Frame Section Parts List Specifications and Section Names API Confidential 2 5 No Copy Reproduction allowed ...

Страница 14: ...ase 2 Lamp 12 IR Led Board 13 Screw 14 Preheater Table 2 4 IR Led Board Section Parts List Figure 2 4 IR Led Board Section 2 6 API Confidential Specifications and Section Names No Copy Reproduction allowed ...

Страница 15: ...sing By moving lens cartridge forward backward the object film slide and analysis the signal to get the focus in an optimized status 3 1 2 Imaging Applying a lens to obtain a proportionally reduced image Figure 3 1 Imaging 3 1 3 Receiving The CCD receives the light then transfers the intensity of light to voltage signal The voltage signals are data for the future process Theory of Operation API Co...

Страница 16: ...ition contains film slide and remain still Lens cartridge starts moving toward backward the object and analysis the output signals to get focus optimized 3 2 3 Preview The holder starts moving while lens cartridge remains fixed and reads in image signals roughly Then the images are shown on the screen 3 2 4 Pick Target Pick the desired scanning area and position In addition you can choose scanning...

Страница 17: ...ceives the light transfers the intensity of light to voltage and outputs the voltage to processor 3 2 6 Output The scanned image of the object is output on the monitor after detail and complex calculations The detail flow chart is shown in Figure 3 3 Theory of Operation API Confidential 3 3 No Copy Reproduction allowed ...

Страница 18: ...PREVIEW AUTO FOCUS IMAGING PICK TARGET ENVIRONMENT RECEIVING PROCESSING MONITOR MORE IMAGE PROCESS Y Y N Y N N Figure 3 3 Scan process flow chart 3 4 API Confidential Theory of Operation No Copy Reproduction allowed ...

Страница 19: ...or departments Optics Module Transmission Module 4 1 Optics Module The parts to compose optics module are showed as below Figure 4 1 This module ensures that the object can exactly form an image and transform light energy to voltage signal which is critical for the image management Figure 4 1 Detail Parts of Scan Module Mechanism API Confidential 4 5 No Copy Reproduction allowed ...

Страница 20: ...orms an image on color CCD If the intensity of light is too low the color CCD can t work precisely Please replace a new lamp under this situation 4 1 2 Imaging It gets an image by lens in this step and the diagram is shown in Figure 4 3 The light of the object passing through this lens to form an image on the CCD and the magnification M equals image distance q divided by object distance p i e M q ...

Страница 21: ...ion of the scanner never try to loosen the hex screw and adjust the lens position 4 1 3 Receiving A color CCD charge coupled device is applied here It is fixed on a CCD board as shown in Figure 4 1 The CCD is sensitive only to the intensity of the light It will output voltage signals while the light shines Note The position of color CCD is mounted on a board its position has been precisely calibra...

Страница 22: ...transmission diagram is shown as above and gear numbers are also listed The purpose of the gear transmission is to reduce the speed of the stepping motor The transmission ratio is 110 15 92 15 pulley is of diameter 12 93mm stepping angle of motor is 3 75 degree Thus we could have 2700dpi resolution as calculated as above 4 8 API Confidential Mechanism No Copy Reproduction allowed ...

Страница 23: ...board Main board CCD board Inverter board LED board Panel board and Sensor board Through functional partitions the whole scanner system can be divided into 6 parts ASIC Scanner Controller Analog Circuits CCD Module Power supply and Inverter ICE Function and other Elements including line motor home sensor Lamp etc They are all shown in figure 5 1 5 1 1 Functional Overview Electrical Systems API Con...

Страница 24: ... into the CCD The image are captured from CCD Charge Coupled Device The CCD transfers light intensity to electrical charges via photo diodes then these charges are sampled and shifted serially with analog charge coupled devices and converted then into sampled voltage The sampled voltage is transmitted to Main Board and amplified by the differential operational amplifier The image signals are compe...

Страница 25: ...s co operated with every scan line The Power board please refer to figure 2 3 transforms the AC voltage into the required power sources It has multiple DC outputs 5V 12V and 16V It integrates a DC AC inverter into this board for converting DC 12V to high frequency 30K AC voltage 400 V Dangerous for the Lamp Main Board AC 100 240V Power Board 5V 12V 12V 16V Figure 5 3 Film Scanner Power Board Block...

Страница 26: ...put Sync ADC Clk ADC Bus CPU W78E516 CLOCK 16 MHz CCD Timing Data Bus IR BD With ROM Figure 5 4 Film Scanner Power Board Block 5 4 API Confidential Electrical Systems No Copy Reproduction allowed The analog circuits is used for CCD signals amplification gain DC offset compensation and digitizing the pixel signals The ASIC AP2106A is used for managing the scanner including analog circuits timing st...

Страница 27: ...ast command The SCSI interface is built in ASIC AP2106A It handles the handshaking software protocols and interfacing SCSI bus The communication between 2740S scanner and host computer for both PC and Mac is achieved via SCSI interface 5 2 SCSI Interface The 2740S scanner SCSI protocol is built in ASIC AP2106A as its SCSI interface It is designed to meet the SCSI protocols and allow to direct conn...

Страница 28: ... Input Output M SG M essage REQ Request BSY Busy SEL Selec t SCSI Card SCSI Cable AcerScan Figure 5 5 SCSI Interface The host computer uses its SCSI card to send commands data through the SCSI cable to 2740S scanner The PC side SCSI Interface Block is shown in figure 5 6 PC side SCSI I F Block 5 6 API Confidential Electrical Systems No Copy Reproduction allowed ...

Страница 29: ...r or 3 color simultaneous scanning 3 A programmable color CCD timing generator 4 CPU interface This ASIC provides an 8051 compatible microprocessor bus interface for connecting to an external 8051 series MCU It also provides a function of memory space swapping for firmware updating Electrical Systems API Confidential 5 7 No Copy Reproduction allowed ...

Страница 30: ...igital shading 1 D LPF Gamma correction binary image processing 8 A horizontal resolution control by decimation circuit 9 An 16 bit Misc I O port for connecting motor driver LEDs sensors etc 5 4 Analog Signal Processor This section describes the ASP on the MainBoard The readers here may refer to the next section for the other information about analog circuits on the CCD head Figure 5 7 5 8 API Con...

Страница 31: ...sensor and panel The CCD Board contains the CCD CCD signal amplifier which is mounted on this board As illustrated in figure 5 8 A m p lifie r C o lo r C C D 1 2 V R e g u la to r M a in B o a rd Figure 5 8 Film Scanner CCD Board 5 5 1 Line Motor Driver The Line Motor is driven by the L6219 It is a bipolar motor driver Given the clock pulses and the necessary power it is very easy to interface wit...

Страница 32: ...test CCD and lamp 5 test analog processor ICs Check burn in mode Yes Burn in test Initial communication mode Receiving host command and data Send target message to host START SCAN command Calibration Adjust scanning parameters 1 brightness 2 contrast 3 shadow highlight 4 gamma correction 5 multi bit and single bit 6 window mode 7 line art and halftone 8 scalling and resolution 9 matrix operation S...

Страница 33: ...as 2 connectors J1 J2 and a power switch J2 is connected to the adapter J1 provides power to the main board Pin Signal name Description 1 SG Signal ground 2 SG Signal ground 3 SG Signal ground 4 15V Analog power 15V 5 15V Analog power 15V 6 5V Digital power 5V 7 5V Digital power 5V 8 D12V lamp power 12V 9 SG Signal ground 10 M12V Motor power 12V 11 M12V motor power 12V Electrical Systems API Confi...

Страница 34: ... 2740S MainBoard J1 is connected to the line motor to drive the stepping motor Pin Signal name Description 1 LM1A Line motor pulse phase 1 of coil A 2 LM1B Line motor pulse phase 1 of coil B 3 LM2A Line motor pulse phase 2 of coil A 4 LM2B Line motor pulse phase 2 of coil B 5 12 API Confidential Electrical Systems No Copy Reproduction allowed ...

Страница 35: ...re two connectors on the CCD board in film Scanner See figure 5 12 Screw hole Screw hole CCD Board Pin 2 J1 CCD Pin 1 Figure 5 12 CCD Board of Film Scanner Electrical Systems API Confidential 5 13 No Copy Reproduction allowed ...

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Страница 37: ...otor Home Sensor error 6 times Auto Focus Motor Sensor error 7 times DC Offset error 8 times Lamp CCD error 6 2 No Function after Power On Power input Regulators Power Cord Power Switch U3 CPU 80C32 Y1 XTAL 16MHZ U8 IC 74HC04D U2 ASIC AP2106A 6 3 Cannot Link with Host Computer Interface SCSI Cable Loose Plug U2 ASIC AP2106A U6 DRAM U8 IC 74HC04D Trouble shooting API Confidential 6 1 No Copy Reprod...

Страница 38: ...ACE on the MainBoard 6 7 Flash 5 times Line Motor Home Sensor U9 IC UDN2916 IC L6219 U2 ASIC AP2106A 6 8 Flash 6 times Auto focus Motor Home Sensor U9 IC 2003 U2 ASIC AP2106A 6 9 Flash 7 and 8 times U1 IC AFE AD9814 Lamp CCD Board IR LED U1 IC AFE AD9814 6 2 API Confidential Trouble shooting No Copy Reproduction allowed ...

Страница 39: ...Power Cord Power Switch U3 CPU 80C32 Y1 XTAL 16MHZ U8 IC 74HC04D U2 ASIC AP2106A 6 11 2 Flash 7 and 8 times or Lamp Cannot Light On Power Board Connector J1 Flat Cable Flat Cable Connector J3 Inverter Board Lamp 6 12 CCD Head 6 12 1 Flash 7 and 8 times U1 IC AFE AD9814 Lamp CCD Board IR LED U1 IC AFE AD9814 Trouble shooting API Confidential 6 3 No Copy Reproduction allowed ...

Страница 40: ......

Страница 41: ...ll away from the operating or moving parts such as scan module gear train etc B Never touches the terminals of the electrical and high voltage parts Unplug the connector by holding the connector housing Pulling the cable cord may cause poor connection Turn the power off first when unplug the connector on the scanner circuit board Never turn the power on if there is no shading on the lamp 7 2 Housi...

Страница 42: ...before removing the housing Figure 7 1 Housing Disassembly 7 2 API Confidential Maintenance No Copy Reproduction allowed ...

Страница 43: ...7 3 Transmission Section To remove scan motor Remove two screw We can remove scan motor Figure 7 2 Remove Scan Motor Maintenance API Confidential 7 3 No Copy Reproduction allowed ...

Страница 44: ...issional assembly 1 Remove 4 screws 2 Place trimmer on the pulley 3 We can remove scan transmissional assembly Figure 7 3 Remove Scan Transmissional Assembly 1 2 7 4 API Confidential Maintenance No Copy Reproduction allowed ...

Страница 45: ...me Section To removing PCB frame A Remove the three screws in Fig 7 2 B Disconnect the connectors between main board and wires in C Remove all the screws then you can get the main board and power board Maintenance API Confidential 7 5 No Copy Reproduction allowed ...

Страница 46: ...ve PCB Frame 7 5 Panel Board Section To remove Panel board A Remove the two screws in Fig 7 6 B Disconnect the connectors between panel board and wires in 7 6 API Confidential Maintenance No Copy Reproduction allowed ...

Страница 47: ...Figure 7 6 Remove Panel Board IR Board Section Figure 7 7 Remove IR Board Maintenance API Confidential 7 7 No Copy Reproduction allowed ...

Страница 48: ...because of exact lens focus and then it produces voltage signal for the image management Never adjust the fixed hex nut on the lensbox 3 CCD The CCD s position is fixed and adjusted in the lensbox by two bolts It owns a precise position while the calibration is finished If the CCD s position is out of the range not only the resolution will be affected but also the output image may be strange Simil...

Страница 49: ...user the higher display card that supports more than 24 bit colors could produce superior color images Q Does the scanner provide power saving feature A Yes After 15 minutes pending the system would shut up the light indicating it is under stand by mode Q What would happen if I do not use the true color card A Without a true color display card the monitor can not reflect the color of original docu...

Страница 50: ...tw global service scan drivers htm http www Benq com drivers imaging_drivers html Q Is the scanner compatible with TWAIN A The scanner is TWAIN compatible With this specification the scanner can work with any Windows or Mac applications that support the TWAIN standard The TWAIN compliance makes it possible for the scanner to integrate the power of hardware and software A 2 API Confidential Frequen...

Страница 51: ...registry editor Go to HKEY_LOCAL_MACHINE enum SCSI key If there are any keys that start with COLOR__FILMSCANNER or COLOR__FLATBEDSCANNER delete those keys 3 Still under registry editor go to HEKY_LOCAL_MACHINE System CurrentControlSet Service Class Ima ge Process key 0000 key 0001 and so on one by one If there is a value 2740S Scanner under InfSection string delete the whole 000n key Frequently As...

Страница 52: ...he scanned image always darker than the original A Please adjust the gamma value from the Monitor Gamma menu Choose Monitor Gamma to open the Monitor Gamma dialog box shown below A 4 API Confidential Frequently Asked Questions No Copy Reproduction allowed ...

Страница 53: ...also adjust the gamma values synchronously by checking the Sync box at the bottom of the dialog box Press the OK button to save your settings and close this dialog box Q Could this film scanner run with Win95 Win98 and Win NT A Yes the 32 bit driver of the scanner is fully TWAIN compliant and runs very well under Win95 Win98 or Win NT Q What is the proper resolution setting A For output purpose th...

Страница 54: ... and storage space A 3 Hardware Scanner Q Why after installing the scanner driver the computer is extreme slow on my system could the driver affect the configuration of the system Autoexec bat Config sys Sys ini Win ini etc A The scanner driver installation makes no permanent changes to these files except that miniport driver will try to config supper IO chip and change its default setting This dr...

Страница 55: ...32C cable printer cable as a substitute due to its internal connection settings Q Why does the computer show Scanner not found messages A 1 Make sure that the power is on and cable is attached well between proprietary card and scanner 2 Make sure that the scanner is READY After the power on of the scanner scan module will move forward and backward twice for self test After the self test the LED in...

Страница 56: ...the driver there should be a Color FlatbedScanner_10 for 2740s film scanner under the icon Scanners in the System Properties windows Control Panel System Device Manager If there is a cross mark question mark or alarm sign in front of the Color Flatbed Scanner_10 please check the following few things If scanner is not turn on Please turn the power on Please check the cable is well connected from sc...

Страница 57: ... and the bundle Software A Because the scanner quality is insured by warranty card so you don t need to register it But For the bundled software just follow the instruction of their on line documentation to register The associatied web pages are as followings Ulead Photo Express http www ulead com Adobe PhotoShop http www adobe com Q How to purchase the scanner bundle things A Just contact your lo...

Страница 58: ... please try to upgrade your CD ROM If the CD is out of order please contact the dealer from whom you purchased the scanner But for an instant solution to use the scanner Please go to BENQ Inc web site to download newest version driver in Please download the most update from the web http www Benq com tw global service scan drivers htm http www Benq com drivers imaging_drivers html A 10 API Confiden...

Страница 59: ...ordering information for BENQ ScanWit 2740S film scanner B 1 Ordering Information When you place a parts order be sure to indicate the following data on the list Part Number Description Quantity Send your order to the Parts Distribution Department of BENQ Customer Service Division ...

Страница 60: ...acking Material 44 S0601 001 Carton BENQ 2720S 47 61606 001 Cushion Left 47 61607 001 Cushion Right 42 61676 001 PE Bag for Scanner Accessory 50 69801 002 SCSI Cable 54 08027 041 PCI SCSI Card 60 61607 002 ASSY STRIP Holder 2mm V1 6620 60 61608 002 ASSY SLIDE Holder 2mm V1 6620 60 61620 001 ASSY SlIDE Holder 3mm for Eup 46 61601 001 OOBE 2720S English 46 61601 021 OOBE 2720S Multi lingo 49 61601 0...

Страница 61: ...1518 051 240V Australia 27 04275 001 220V China 27 01818 000 110V Taiwan Others 22 80012 001 Stepping motor Small one For Scan module focus 22 80014 132 Stepping motor Biggest one For moving film holder 22 80023 031 DC motor Smallest one For scanning 60 61614 001 Assy Gear Rack TL Including E Ring 42 61602 011 GearB 2 new with fiber glass 60 S0601 001 Assy Housing ID 60 61603 001 Assy Pully Note T...

Страница 62: ...1 499 750 500 Fax 31 499 750 599 http www benq eu com S E Asia Benq Corporation S E Asia Pte Ltd 29 International Business Park 01 01 Acer Building Tower A Singapore Tel 65 563 6563 Fax 65 895 6319 htt b Japan Benq CorporationJapan Inc 3A 5F Akimoto souko 3 30 1 Kaigan Minato Ku Tokyo Tel 81 3 5444 5901 Fax 81 3 5444 5903 http www benq co jp China Benq Corporation Ltd 98 Shi Shan Rd Suzhou P R C T...

Страница 63: ...Appendix C Explosive Diagram Acer Communications Multimedia ...

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Страница 66: ...C 2 API Confidential Explosive Diagram No Copy Reproduction allowed Acer Communications Multimedia ...

Страница 67: ...Acer Communications Multimedia ...

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