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EPSON Perfection 3200 Photo

Revision A

Troubleshooting

Troubleshooting

27

3.2 Troubleshooting

This section describes the troubleshooting methods for surface errors.
This section describes troubleshooting from the abnormal phenomenon. You
can isolate the faulty unit based on the abnormal phenomenon. See the table
below to find the closest phenomenon and the corresponding table to refer to.

Table 3-5. Trouble Symptoms, Causes and Reference Flow Charts

Phenomenon

Description

Problem Location

Reference Flow

Chart

Scanner does not
operate even its
power is On.

Scanner does not
operate the
initializarion.

• Connector

• Power supply

circuit board

• Carriage motor

• Main circuit board

Fatal error occurs.
(LED flashes red.)
The error listed
occurs and is not
reset by turning
power off and
back on.

Carriage Unit does
not operate.

• Carriage lock

• Upper housing

• Connector

• Harness

• Carriage

mechanism

• Carriage motor

• Main circuit board

The lamp does not
light up.

• Connector

• Fluorescent lamp

• Carriage

mechanism

• Main circuit board

Scanned image
quality problem

Scanned image is
unclear.

• Dirty document

platen

• Dirty mirror

• CCD Board

• Main Board

“Interface Error” is
indicated.

Host does not
recognize scanner
even when power is
turned on.

• Host support

status
(USB, IEEE 1394)

• Twain driver

• Cable

(USB, IEEE 1394)

• Main circuit board

Option TPU does
not operate.

Option TPU does not
operate.

• Cable(option)

• Option main circuit

board

• Scanner main

circuit board

Table 3-5. Trouble Symptoms, Causes and Reference Flow Charts

Phenomenon

Description

Problem Location

Reference Flow

Chart

«
...
30
31
32
33
34
...
»

Summary of Contents for Perfection 3200 Photo

Page 1: ...EPSON Perfection3200Photo Color Image Scanner SESC02 003 SERVICE MANUAL ...

Page 2: ...ing informed of them The contents of this manual are subject to change without notice The above not withstanding SEIKO EPSON CORPORATION can assume no responsibility for any errors in this manual or the consequences thereof EPSON is a registered trademark of SEIKO EPSON CORPORATION General Notice Other product names used herein are for identification purpose only and may be trademarks or registere...

Page 3: ...E MUST BE CONNECTED USE EXTREME CAUTION IN WORKING ON POWER SUPPLY AND OTHER ELECTRONIC COMPONENTS 4 WHEN DISASSEMBLING OR ASSEMBLING A PRODUCT MAKE SURE TO WEAR GLOVES TO AVOID INJURIER FROM METAL PARTS WITH SHARP EDGES WARNING 1 REPAIRS ON EPSON PRODUCT SHOULD BE PERFORMED ONLY BY AN EPSON CERTIFIED REPAIR TECHNICIAN 2 MAKE CERTAIN THAT THE SOURCE VOLTAGES IS THE SAME AS THE RATED VOLTAGE LISTED...

Page 4: ...d connector signal layouts Electrical circuit component layout diagrams Electrical circuit diagrams General disassembly diagrams and parts list Symbols Used in this Manual Various symbols are used throughout this manual either to provide additional information on a specific topic or to warn of possible danger present during a procedure or an action Be aware of all symbols when they are used and al...

Page 5: ...Revision Status Revision Issued Date Description A November 18 2002 First Release ...

Page 6: ...peration 21 Image Processing Operations 23 Troubleshooting Overview 25 Self Diagnostic Function 25 Troubleshooting 27 Disassembly and Assembly Overview 32 Precaution 32 Tools Required 33 Screws 33 DISASSEMBLY AND ASSEMBLY 34 Carriage Lock Release 35 Document Cover Removal 36 Upper Cover Removal 37 Panel Circuit Board Removal 38 Carriage Unit Removal 39 Main Circuit Board Removal 41 Timing Belt Dri...

Page 7: ...rfection 3200 Photo Revision A 2 Overview 57 Cleaning 57 Lubrication 58 Appendix Connector Layout 60 Interconnection 60 Connector Assignment 60 Connector 61 Circuit Diagram 64 Exploded Diagram 68 Parts List 71 ...

Page 8: ...C H A P T E R 1 PRODUCT DESCRIPTION ...

Page 9: ...rt button Export a image data to applications easily New Twain functions Full automatic mode for films thumbnail view support Monochrome negative film support PRINT Image Matching capabilities ensure more accurate printout with PRINT Image Matching Epson printers Driver 21 Tentative Name New graphic user interface Full Auto Mode Home mode and Professional mode Works not only as a TWAIN driver but ...

Page 10: ... 304 W x 476 D x 122 H mm Weight Approx 5 8 Kg Warm up time Scanner Within 25 sec 25 C within 40 sec 5 C TPU Within 40 sec 25 C within 60 sec 5 C Image processing Gamma Correction Output correction types 5 standard types CRT 2 level A B PRINTER 3 level A B C User defined 1 level Color Correction Output correction types 4 standard types Impact Dot Printer Thermal Printer Ink Jet Printer CRT Display...

Page 11: ...upply Supplied from scanner Switches N A Display Indicator ON OFF Lights blue in sync with TPU indicator ON OFF operation Warm up time Scanner Within 25 sec 25 C within 40 sec 5 C TPU Within 40 sec 25 C within 60 sec 5 C ELECTRICAL SPECIFICATIONS Rated voltage AC100 120V AC220 240V Input voltage AC 100 120V 10 AC 220 240V 10 Rated Current 0 45A Input AC100V 0 25A Input AC200V Rated Frequency Range...

Page 12: ...ng 10 to 80 no condensation Storage 10 to 85 no condensation RELIABILITY MCBF 30 000 cycles OPERATING CONDITIONS Dust Ordinary office or home conditions Extreme dust should be avoided Illumination Operation under direct sunlight or near strong light source is not guaranteed and should be avoided DOCUMENT Reflective type Documents which has a smooth surface such as a printing and photograph Transpa...

Page 13: ...ssion speed Average 4 Mbytes sec peak 50 Mbytes sec 400 Mbps Electrical specification IEEE 1394a 2000 compliant Power supply and ground Each node both receives and transmits power Because more than one node must be connected in this case the power supply passes through diodes so that current does not flow from nodes with a higher power supply to nodes with a lower power supply Table 1 1 Cable powe...

Page 14: ... Series B Table 1 3 USB pin Assignments Device Class Vender specific End point 0 s MAX packet size 64byte Vender ID 0x04B8 Product ID 0x0112 No of structure 2 Structure Interface supported 1 Characteristic Self power supply Remote wake up function is not available Bus electrical power consumption 2mA Interface 0 substitutes setting value NO Endpoint 2 Class Vender specific End point 1 Bulk IN tran...

Page 15: ...D green red This lights flashes or turns off to indicate the ready busy or error status of the scanner Table 1 4 Status LED condition and status indication 1 Warm up scanning initialization etc 2 Does not light red for some errors option errors command errors TPU lamp LED blue Lights in sync with TPU indicator ON OFF operation Figure 1 4 Switch and LED Locations Status LED condition Ready Lit gree...

Page 16: ...tion External specifications 11 EXTERNAL VIEW Figure 1 5 Size Physical dimensions and weight Dimensions 304 W x 476 D x 122 H mm Weight Approx 5 8 Kg Size and weight of packing container Dimensions 410 W x 570 D x 210 H mm Weight Approx 1 6 Kg 304 122 476 ...

Page 17: ...Sets the reading range ESC A n1 n2 n3 n4 Sets the color ESC C i Mirroring ESC K i Sets reading parameter FS W Correction process Set brightness ESC L i Set Gamma correction ESC Z i Set Gamma correction table ESC z i d0 d1 d255 Set sharpness ESC Q i Image process Set Digital Halftoning ESC B i Set Auto Area Segmentation ESC s i Download Dither Pattern ESC b ijd j2 Color correction ESC M i Download ...

Page 18: ... when the scanner receives a correct command Interface error READY LED Off ERROR LED red blinking short interval Wrong procedure is detected in the interface communication In the case of SCSI a transmission is frozen more than 30 seconds except BUS FREE phase The lamp goes off and the scanner stops operation Turn the scanner off and then back on RST signal in SCSI turns active Nothing Fatal error ...

Page 19: ... 216 x 297 mm Horizontal x vertical Figure 1 6 Reflective Document Scanning Area 1 7 2 Transparenct Documents Maximum read area 4 x 9 1 101 x 231 mm Horizontal x vertical Figure 1 7 Transparent Document Scanning Area Front 1 0 5 mm 216 mm 1 6 0 5 mm 297 mm Scanning home position Front 58 2 1 5 mm 101 6 mm 21 6 1 5 mm 231 1 mm Scanning home position ...

Page 20: ...control operation is carried out during scanning standby The CCD clock is fixed at LOW level This control is carried out after the carriage returns once scanning is complete During energy save mode The following control operations are carried out during energy save mode CCD and AFE clocks are fixed at LOW levels 12 V power supply stops Indicators switch off Power ON Warm up Scanning operation Ener...

Page 21: ...C H A P T E R 2 OPERATINGPRINCIPLES ...

Page 22: ...ing up to the 24VDC and converting it from direct current to alternating current Lamp White cold fluorescent Lamp is used as light source When the light quantity is not stable the scanner blinks the Operate light until the light becomes stable and goes to stand by mode Mirror and Lens Mechanism The light emitted to the document reaches the CCD sensor after being reflected on some mirrors one after...

Page 23: ...scanned data for n lines and n 1 line are processed consecutively Figure 2 3 Carriage Movement Carriage Unit slides into sub scan direction along with the guide rail For this sliding operation the carriage motor drives the timing belt attached to the carriage unit by conveying the driving force through the drive pulley and reduction gear Scanning start position is determined by CR HP sensor which ...

Page 24: ...ction and over voltage protection circuit Table 2 2 Output and Protection Function NOTE 1 If a part of output is shut down all the other output are also shut down 2 Off time required to recover is maximum 5 minutes Specification Unit Part No Fuse 100 120 VAC Range 2027705 2 5 A 125 VAC 220 240 VAC Range 2027704 T2 5AH 250 VAC Output Voltage Output Current Over Current Protection Current value to a...

Page 25: ... C i r c u i t S w i t c h i n g C i r c u i t S m o o t h i n g C i r c u i t 1 2 V D C R e g u l a t o r I C 5 V D C R e g u l a t o r C i r c u i t O v e r C u r r e n t P r o t e c t i o n C i r c u i t S m o o t h i n g C i r c u i t 2 4 V D C C o n t r o l C i r c u i t 2 4 V D C O v e r C u r r e n t P r o t e c t i o n C i r c u i t 5 1 2 2 4 V D C O v e r V o l t a g e P r o t e c t i o n...

Page 26: ...SI CPU Image processing ASIC USB 1 1 interface Stepping motor controller Programmable frequency divider Multi purpose I O IS61LV256AH 15J IC4 SRAM M27W402 100B6 IC3 OTPROM HY57V281620AT S or K4S281632C TC1L IC2 Image processing SDRAM A3957SLB IC12 IC13 Carriage motor driver with wireless type 4 bit DAC ISP1581 IC14 USB 2 0 controller USB 2 0 interface controller Full speed 12 Mbit sec high speed 4...

Page 27: ...k Diagram Odyssey SDRAM 1394 Controller USB2 0 Controller 1394 Host USB Host SW SUB_B Board Lid TPU Address Bus Data Bus SRAM 4Mbit OPT ICE Board Connecto 5 12 24V H P Motor Driver Main Board ICE Board CCD Board Panel Board SUB_A Board Power Supply Power Push SW CR Motor AFE AD8926 Millie CCD ILX137K Lamp Unit ...

Page 28: ...nto an electrical charge electrical energy Amplification processing 2 Main circuit board scanned image data processing A D conversion processing conversion of scanned image data comprising analog electrical signals into digital signals Shading correction processing scanned data correction according to white and black benchmarks Other image correction processing such as gamma correction color corre...

Page 29: ...C H A P T E R 3 TROUBLESHOOTING ...

Page 30: ...given below COMMAND ERROR INTERFACE ERROR Table 3 1 Command error LED display Cause Solution Undefined command or undefined command parameter received The scanner ignores incorrect commands and incorrect command parameters Current settings maintained The scanner returns a NACK and waits for the next command parameter Resetting The error status is reset when a correct command or command parameter i...

Page 31: ... Indicator turns off and operation stops Status bit 7 is set Resetting After cause of error is eliminated Turn the power off and then back on again Send an initialization command ESC Send an SCSI bus device reset message Assert an SCSI RESET signal Allowable commands ESC F ESC f ESC Table 3 4 Option error LED display Cause Solution Unit cover open or paper Empty Status bit 7 is set Resetting Remov...

Page 32: ...tal error occurs LED flashes red The error listed occurs and is not reset by turning power off and back on Carriage Unit does not operate Carriage lock Upper housing Connector Harness Carriage mechanism Carriage motor Main circuit board 3 2 The lamp does not light up Connector Fluorescent lamp Carriage mechanism Main circuit board 3 3 Scanned image quality problem Scanned image is unclear Dirty do...

Page 33: ...y circuit board Replace the CR motor Replace the power supply circuit board Replace the main circuit board Start Is the carriage lock released Is the upper housing installed correctly Is connector CN6 on the main circuit board connected Is the harness connected to the main circuit board and carriage Is the carriage mechanism normal Does the CR motor operate normally Replace the CR motor Connect th...

Page 34: ...n circuit board and carriage Replace the main circuit board Replace the carriage Reset into inverter circuit board Connect the connector Connect the connector Start Is the document platen dirty Is the mirror inside the carriage dirty Is the Sheet White section dirty or bent Is the CCD sensor circuit board normal Is the scanned image okay Mechanism problem replacement required Replace the main circ...

Page 35: ...Replace the main circuit board Replace host Install or re install the GT 9700F twain driver Replace the cable Srart Windows and check My Computer Properties Device Manager Is USB enabled Start Is the TPU cable at the back of the scannerconnected correctly Is connector CN9 on the main circuit board connected Is the option main circuit board normal Replace the scanner main circuit board Replace the ...

Page 36: ...C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...

Page 37: ... N G The power supply cable and interface cable should always be disconnected when disassembling and assembling the scanner Before starting disassembly and re assembly work make sure that the power supply cable is disconnected from the wall outlet However if tasks such as voltage measurement need to be carried out take care to avoid electric shocks The procedures given in this manual should be fol...

Page 38: ...ion Availability SE Part No Screw Driver No 2 Commercially available B743800200 Screw Driver Commercially available B743000100 Tweezers Commercially available B641000100 5 mm box screwdriver Commercially available Radio pliers Commercially available B740400100 Socket spanner 5 5mm Commercially available B741300100 Table 4 2 List of screws Used No Name and specification Shape 1 CBP M3x12 2 CBP M3x8...

Page 39: ...ch unit refer to the page numbers shown in the chart Figure 4 2 Disassembly and Assembly Flow Chart START Carriage Lock Release P 35 Upper Cover Removal P 37 Panel Circuit Board Removal P 38 Carriage Unit Removal P 39 Timing Belt Driven Pulley Assembly Removal P 42 Timing Belt CR Motor Removal P 44 Main Circuit Board Removal P 41 SUB_A Circuit Board Removal P 45 Power Supply Circuit Board Removal ...

Page 40: ...35 4 2 1 Carriage Lock Release 1 Release the carriage lock located at left side of the scanner body by using screw driver Figure 4 3 Carriage Lock Position C A U T I O N When you need to lock the carriage again for transportation move the carriage to the home position first Released Locked ...

Page 41: ...ver Removal 1 Disconnect the TPU connector at the back of the scanner See Figure 4 4 2 Open the document cover See Figure 4 5 3 Hold the document cover with two hands and lift it up to remove it See Figure 4 5 Figure 4 4 Document Cover Removal 1 Figure 4 5 Document Cover Removal 2 TPU Connector Document Cover ...

Page 42: ...he upper cover and pulling it forward disengage the three hooks at the front of the upper cover and then remove the upper cover 5 Disconnect the connector CN1 from the SUB_A circuit board See Figure 4 8 Figure 4 6 Upper Cover Removal 1 Screw Positions Figure 4 7 Document Cover Removal 2 Figure 4 8 Upper Cover Removal 3 C A U T I O N When removing the upper cover make sure that the hooks are proper...

Page 43: ...ction 4 2 2 3 Remove the upper cover See Section Section 4 2 3 4 Remove the two screws CPS M3x4 and then remove the panel circuit board See Figure 4 9 Figure 4 9 Panel Circuit Board Removal Figure 4 10 Panel Circuit Board and Function Button CPS Screws 3x4 Tightening Torque 6 8kgfcm Hook Panel Circuit Board Make sure that the direction of the function button is correct Function Button Panel Circui...

Page 44: ...de shaft until the notches are aligned and then remove the carriage guide shaft See Figure 4 12 6 Slide the carriage unit forward by hand and then lift up the carriage unit and remove the timing belt See Figure 4 13 Figure 4 11 Carriage Unit Removal 1 Figure 4 12 Carriage Unit Removal 2 Figure 4 13 Carriage Unit Removal 3 C A U T I O N Never remove the CCD circuit board otherwise it will cause pro...

Page 45: ...rd See Figure 4 15 9 Disconnect the white FFC from the ferrite core See Figure 4 15 10 Disconnect the white FFC from the carriage unit See Figure 4 16 Figure 4 14 Carriage Unit Removal 4 Figure 4 15 Carriage Unit Removal 5 Figure 4 16 Carriage Unit Removal 6 The FFCs should be attached to the base frame with double sided tape CBS Screws 3x5 Tightening Torque 8 10kgfcm Main Circuit Board Shield Pla...

Page 46: ...t the CR motor connector CN7 carriage FFC connector CN6 and power supply circuit board connector CN8 from the main circuit board See Figure 4 18 7 Remove the four screws CBS M3x5 from the main circuit board and the two screws CP M3x5 at the back of the scanner and then remove the main circuit board See Figure 4 18 and Figure 4 19 Figure 4 17 Main Circuit Board Removal 1 Figure 4 18 Main Circuit Bo...

Page 47: ...n 4 2 2 3 Remove the upper cover See Section 4 2 3 4 Remove the carriage unit See Section 4 2 5 5 Remove the two screws CBS M3x5 See Figure 4 21 6 Remove the driven pulley assembly from the base frame and then remove the timing belt See Figure 4 22 1 Remove the flange pulley See Figure 4 23 2 Remove the driven pulley See Figure 4 23 Figure 4 21 Driven Pulley Assembly Removal 1 Driven Pulley Assemb...

Page 48: ...AND ASSEMBLY 43 Figure 4 22 Driven Pulley Assembly Figure 4 23 Driven Pulley Assembly Removal 2 Driven Pulley Holder Timing Belt Driven Pulley Flange Pulley C A U T I O N After installing the timing belt be sure to adjust the belt tension See Chapter 5 Adjustment in this manual ...

Page 49: ...at are securing the CR motor unit See Figure 4 24 6 Disconnect the CR motor connector CN7 and disengage the hook and then remove the CR motor unit See Figure 4 25 1 Remove the flange pulley 2 Remove the flat washer 3 Remove idle pulley _A 4 Remove the idle pulley 5 Remove the drive pulley Figure 4 24 CR Motor Removal 1 Figure 4 25 CR Motor Removal 2 Pass the CR motor unit cable under the shield pl...

Page 50: ...r See Section 4 2 3 4 Remove the four screws CBP M3x8 from the base frame See Figure 4 28 5 Disconnect the connector CN102 from the power supply circuit board See Figure 4 28 6 While lifting up the front of the base frame remove the screw CBS M3x5 and then disengage the two hooks and remove the SUB_A circuit board See Figure 4 29 Figure 4 28 SUB_A Circuit Board Removal 1 Flange Pulley Drive Pulley...

Page 51: ... remove the power supply circuit board unit See Figure 4 31 6 Disconnect the lock type AC adapter connector CN1 SUB_A circuit board connector CN102 and main circuit board connector CN101 See Figure 4 32 7 Remove the five screws CBS M3x5 and then remove the power supply circuit board from the power supply circuit board cover See Figure 4 33 8 Remove the power supply circuit board cover sheet from t...

Page 52: ... Circuit Board Removal 2 Figure 4 32 Power Supply Circuit Board Removal 3 Figure 4 33 Power Supply Circuit Board Removal 4 Power Supply Circuit Board Unit Hooks CN1 CN101 CN102 Power Supply Circuit Board Cover Power Supply Circuit Board Cover Sheet Power Supply Circuit Board CBS Screws 3x5 Tightening Torque 8 10kgfcm ...

Page 53: ...y circuit board See Figure 4 34 5 Remove the power supply cable cover See Figure 4 34 6 Disengage the two hooks and then remove the power supply cable unit See Figure 4 35 Figure 4 34 Power Supply Cable Removal 1 Figure 4 35 Power Supply Cable Removal 2 When securing the power supply cable unit secure the Cover Cover Inlet with the same screws Attach the power supply cable cover to the lower housi...

Page 54: ... 2 10 9 Disconnect the power supply cable See Section 4 2 11 10 Remove the SUB_A circuit board See Section 4 2 9 11 Remove the FFC harness ferrite core 12 Remove the three screws CBS M3x5 and then remove the carriage rail 13 Lift up the front of the base frame disengage the two hooks and then remove the base frame Figure 4 36 Base Frame Removal Attach the cable that connects the power supply circu...

Page 55: ... Figure 4 38 4 Remove the two screws CBP M3x8 and then remove the presser plate See Figure 4 39 5 Disconnect the connector CN2 from the inverter circuit board See Figure 4 39 6 Disconnect the cable from the hook and then disengage the two hooks and remove the TPU See Figure 4 39 and Figure 4 40 Figure 4 37 TPU Removal 1 Figure 4 38 TPU Removal 2 C A U T I O N When removing the TPU the fluorescent ...

Page 56: ...1 to 3 in TPU Removal See Section 4 2 13 2 Remove the two screws CBP M3x8 and disconnect the connectors CN1 and CN2 and then remove the TPU inverter circuit board unit See Figure 4 41 Figure 4 41 TPU Inverter Circuit Board Removal Connector Hooks CBP Screws 3x8 Tightening Torque 6 8kgfcm TPU Inverter Circuit Board CN2 TPU Inverter Circuit Board Cover Sheet CN1 CBS Screws 3x8 Tightening Torque 8 10...

Page 57: ...bly DISASSEMBLY AND ASSEMBLY 52 4 2 15 SUB_B Circuit Board Removal 1 Carry out steps 1 to 3 in TPU Removal See Section 4 2 13 2 Disconnect the connector CN1 and then remove the SUB_B circuit board See Figure 4 42 Figure 4 42 SUB_B Circuit Board Removal Connector ...

Page 58: ...C H A P T E R 5 ADJUSTMENT ...

Page 59: ... 5 1 3 1 Timing Belt Tension Adjustment 1 Ensure the Holder Assy Pulley Driven is securely installed 2 Install the Timing Belt Figure 5 1 Timing Belt Tension Adjustment 1 Table 5 1 Adjustment Tool Name ASP Code Notes Tension spring 18 4 Exclusive tool Code 1041401 18 4N C A U T I O N Before using the Tension Tool make sure to measure the tension of this tool the spring in the Tension Tool and the ...

Page 60: ...the driven pulley assembly See Figure 5 2 Figure 5 2 Timing Belt Tension Adjustment 2 4 Install the two screws See Figure 5 3 5 Remove the tension spring Figure 5 3 CR Timing Belt Tension Adjustment 3 C A U T I O N Make sure to work operation on a flat table during the adjustment CBS Screws 3x5 Tightening Torque 6 8kgfcm ...

Page 61: ...C H A P T E R 6 MAINTENANCE ...

Page 62: ... with particular care If the platen is dirty wipe it with a soft cloth that is clean and dry Outer Cases Wipe stain off with a clean cloth which is moisted with water and then squeezed tightly To remove sever stain use neutral detergent Document Glass Remove dust and paper debris with a dry clean cloth If stain is severe or foreign object is stuck use a cloth absorbed with neutral detergent If tra...

Page 63: ...or EPSON Not available on the market Figure 6 1 Lubrication Points 1 Figure 6 2 Lubrication Points 2 Table 6 1 Recommended Grease Type Name Supply Quantity Part No Specification Grease G 26 40g B702600001 E Table 6 2 Lubrication Points Figure Lubrication Points Lubrication 6 1 Driven shaft D of driven pulley assembly holder G 26 1x3mm 6 2 Drive shaft A drive shaft B and drive shaft C of drive pull...

Page 64: ...C H A P T E R 7 APPENDIX ...

Page 65: ... INVERTER B149 PNL B149 PNL B149 SUB_A B149 SUB_A AC PLUG USB2 0 IEEE 1394 LAMP LAMP LAMP LAMP LAMP LAMP 5 pin 6 pin 8 pin 2 pin 2 pin 2 pin 2 pin Table 7 1 Connector Summary Board Connector Connected to Pin No Tables to Main board B149 Main CN2 IEEE 1394 8 7 2 CN3 USB2 0 6 7 3 CN6 CCD board 25 7 4 CN7 CR motor 4 7 5 CN8 Power supply board 14 7 6 CN9 TPU Inverter board 5 7 7 SUB_B boad 2 7 7 Power...

Page 66: ...nal I O 1 BUSPOWER I 2 GP I O 3 TPB2 I O 4 TPB2 I O 5 TPA2 I O 6 TPA2 I O 7 CHASSIS_GND 8 CHASSIS_GND Pin No Signal I O 1 VVC I 2 Data I O 3 Data I O 4 GND 01 01 02 02 Pin No Signal I O 1 GND 2 GND 3 12V O 4 12V O 5 SCS O 6 LOAD O 7 SGK O 8 3 3V O 9 SD O 10 SH O 11 ADCK O 12 5V O 13 5V O 14 GND 15 D0 16 D1 17 D2 18 D3 19 D4 20 D5 21 D6 22 D7 23 GND 24 24V O 25 INV_GND ...

Page 67: ...oard CN102 Pin No Signal I O 1 A O 2 B O 3 AX O 4 BX O Pin No Signal I O 1 GND 2 OP LED I 3 ERR LED I 4 PM SW I 5 PWA SW I 6 PWA CTAL O 7 5 I 8 5 I 9 GND I 10 GND 11 24 I 12 24 I 13 GND 14 12V I Pin No Signal I O 1 GND 2 GND 3 24 O 4 LOD O 5 GND 6 RXD I 7 TXD O 8 SCK O 01 01 02 02 03 03 Pin No Signal I O 1 AC H I 2 AC L I Pin No Signal I O 1 OP LED O 2 ERR LED O 3 PUSH SW I 4 SW SENS I 5 PSC O 6 G...

Page 68: ... Board CN1 Table 7 11 CCD Board CN2 Table 7 12 Inverter Board CN2 Table 7 13 TPU Inverter Board CN2 Pin No Signal I O 1 GND 2 PUSHSW I 3 LED_RED O 4 LED_GREEN O Pin No Signal I O 1 24 O 2 INV_GND Pin No Signal I O 1 LAMP O 2 LAMP O Pin No Signal I O 1 LAMP O 2 LAMP O 3 LAMP O 4 LAMP O ...

Page 69: ...erfection 3200 Photo Revision A Appendix Circuit Diagram 64 7 2 Circuit Diagram The following pages show the circuit diagrams for the scanner s control circuits B156 MAIN BOARD B156 ISN BOARD B156 Power BOARD ...

Page 70: ......

Page 71: ......

Page 72: ......

Page 73: ...EPSON Perfection 3200 Photo Revision A Appendix Exploded Diagram 68 7 3 Exploded Diagram Figure 7 2 Exploded Diagram 1 15 14 13 12 10 11 400 ...

Page 74: ...EPSON Perfection 3200 Photo Revision A Appendix Exploded Diagram 69 Figure 7 3 Exploded Diagram 2 180 181 533 527 528 529 103 119 610 118 116 117 109 111 110 108 106 107 112 240 113 101 100 104 ...

Page 75: ...am 70 Figure 7 4 Exploded Diagram 3 620 530 403 401 610 610 610 524 230 523 522 600 600 518 300 600 600 600 600 600 600 600 600 509 511 515 531 532 405 510 514 513 503 500 210 505 504 519 519 404 512 520 517 516 521 502 526 534 508 507 506 504 220 501 525 525 200 ...

Page 76: ...EPSON Perfection 3200 Photo Revision A Appendix Exploded Diagram 71 Figure 7 5 Exploded Diagram 4 09 10 02 08 06 03 04 05 05 02 01 ...

Page 77: ...O PLATE 10X40 F 101 LABEL PHOTO 103 HOUSING ASSY UPPER TPU 104 HOUSING TOP TPU 106 HINGE ASSY L 107 HINGE ASSY R 108 COVER FRONT 109 HOUSING ASSY UPPER ASP 110 KNOB MOUNT CARRIAGE 111 LEVER MOUNT CARRIAGE 112 HOLDER FSW BOARD 113 KEYTOP FUNCTION SWITCH 116 HOUSING MAT 117 MAT COVER DOCUMENT 118 HOUSING LOWER 119 FOOT 180 LABEL CARRIAGE LOCK 181 LABEL CAUTION SOFTWARE B 240 BOARD ASSY PANEL 527 SHE...

Page 78: ...EET P S BOARD 519 SHEET COVER P S BOARD 520 SHEET SLIDE 521 CUSHION 160X5 522 TPU ASSY LID ASP 523 TPU ASSY BACKLIGHT ASP 524 COVER BOARD ASSY INVERTOR Table 7 14 RefNo Part Name 525 FOOT 526 KEYTOP POWER SWITCH 530 FOAM DUSTPROOF 531 FERRITE CORE 532 DOUBLE SIDE TAPE 22X10 534 SUPPORT P SW 600 C B S TITE 3X5 F ZN B043700511 610 C B P TITE SCREW 3X8 F ZN 620 C P SCREW 3X4 F NI 01 INDIVIDUAL CARTON...

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