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Panasonic KX-FLB758RU, Service Manual

The Panasonic KX-FLB758RU is a high-quality multifunctional printer that offers exceptional performance. With its versatile functions, it becomes essential to have an in-depth understanding of its features. You can easily access the comprehensive Service Manual for this product, available for free download at manualshive.com.

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16.2. ANALOG BOARD (PCB2)

16.2.1. ANALOG BOARD: COMPONENT VIEW

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J329

J319

Q201

C228

C236

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D205

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J322

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PC202

J380

C316

C329

C328

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R354

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J330

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C237

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CN202

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C221

J332

J372

J312

C216

J320

J327

J323

PC201

C290

C293

R296

R356

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ZR202

R330

RY203

R322

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J364

J370

J360

J358

J343

J356

J354

J355

C266

D201

D202

D203

J342

SA202

PO201

J365

J345

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C322

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J352

J363

J362

J368

C279

J374

J351

J348

J376

J375

J315

C321

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J301

J377

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C369

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J304

J302

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PC203

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J371

C312

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D207

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J382

J350

C360

C359

J367

J221

CN201

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J216

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KX-FLB758RU ANALOG BOARD COMPONENT VIEW

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Summary of Contents for KX-FLB758RU

Page 1: ... 2003 Panasonic Communication Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law KX FLB758RU for Russia Multi Function Laser Fax ORDER NO KMF0307675C3 ...

Page 2: ...R 49 5 15 HOW TO REMOVE THE H V P S 49 5 16 HOW TO REMOVE THE HEAT ROLLER AND EXIT ROLLER 50 5 17 HOW TO REMOVE THE PRESSURE ROLLER 50 5 18 HOW TO REMOVE THE MOTOR BLOCK 51 5 19 HOW TO REMOVE THE WHITE SHEET 52 5 20 HOW TO REMOVE THE DOCUMENT GUIDE 53 5 21 HOW TO REMOVE THE ADF RELAY BOARD 53 5 22 HOW TO REMOVE THE FEED ROLLER AND ADF SEPARATION ROLLER 54 5 23 HOW TO REMOVE THE TOP COVER AND CONVE...

Page 3: ...R DRIVE BOARD PARTS 259 12 9 SENSOR BOARD PARTS 259 12 10 VARISTOR BOARD PARTS 259 12 11 ADF RELAY BOARD PARTS 259 12 12 PF SENSOR BOARD PARTS 259 12 13 CIS RELAY BOARD PARTS 259 12 14 CIS SENSOR BOARD PARTS 260 12 15 SCAN MOTOR DRIVE BOARD PARTS 260 12 16 FIXTURES AND TOOLS 260 13 FOR THE SCHEMATIC DIAGRAMS 261 14 SCHEMATIC DIAGRAM 262 14 1 DIGITAL BOARD PCB1 262 15 SCHEMATIC DIAGRAM 266 15 1 ANA...

Page 4: ...lease be careful not to heat too long PbF solder will tend to splash if it is heated much higher than its melting point approximately 1100 F 600 C If you must use Pb solder on a PCB manufactured using PbF solder remove as much of the original PbF solder as possible and be sure that any remaining is melted prior to applying the Pb solder When applying PbF solder to double layered boards please chec...

Page 5: ...5 RA606 RA622 R674 RA625 RA624 RA614 1 CN610 1 5 R688 3 3V C771 Q614 L639 D603 Q613 R733 L643 R637 Q626 Q627 R638 R634 R633 F603 Q604 R618 R610 R611 Q608 CN606 CN603 RA617 R624 R623 Q609 Q622 Q623 Q624 Q625 R625 1 2 CN609 D604 F604 CN612 CN613 CN605 C604 Q610 D608 R723 C752 C740 8 1 4 5 1 1 1 14 1 Q615 R690 F605 C753 C626 L678 C705 S I I R613 C602 R606 41 80 81 40 603 778 PbF Marked Digital Board ...

Page 6: ...1 3 TRANSLATION LISTS 1 3 1 HELP FUNCTION 1 3 2 LCD MESSAGES 6 KX FLB758RU ...

Page 7: ...1 3 3 REPORTS 7 KX FLB758RU ...

Page 8: ... heads control shafts bottom frame etc Note Some exposed parts may be isolated from the chassis by design These will read infinity 4 If the measurement is outside the specified limits there is a possibility of a shock hazard 1 6 FOR SERVICE TECHNICIANS ICs and LSIs are vulnerable to static electricity When repairing the following precautions will help prevent recurring malfunctions 1 Cover the pla...

Page 9: ...times 1 9 PERSONAL SAFETY PRECAUTIONS 1 9 1 MOVING SECTIONS OF THE UNIT Be careful not to let your hair clothes fingers accessories etc become caught in any moving sections of the unit The moving sections of the unit are the rollers and a gear There is a separation roller and a document feed roller which are rotated by the document feed motor A gear rotates the two rollers Be careful not to touch ...

Page 10: ...the power supply unit Therefore always unplug the AC power cord before disassembling for service 1 9 3 LASER BEAM AND FUSER UNIT SECTION The printer of this unit utilises a laser Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure The fuser unit is inside of the unit and gets hot Do not touch it when removing the ...

Page 11: ...der to prevent static electricity touch a metallic part that is grounded to release the static electricity Never touch the electrical sections such as the power supply unit etc To prevent static electricity damage to the interface connectors parallel and USB or other electrical components inside the unit touch a grounded metal surface such as the metal part under the parallel interface connector b...

Page 12: ... For originals with small printing SUPER FINE For originals with minute printing PHOTO For originals containing photograph Broad cast 150 sheet paper capacity 60 g m2 75 g m2 16 lb 20 lb Large Memory Performed by DRAM Approx 150 pages of memory reception Approx 150 pages of memory transmission Integrated Telephone System On hook dialing Monitor speaker Voice muting Redialing function 112 Station t...

Page 13: ...ox 250 W Maximum Approx 900 W When the fuser unit turns on Power Supply 220 240 V AC 50 60 Hz Memory Capacity Approx 150 pages of memory transmission reception Based on ITU T No 1 Test Chart in standard resolution Laser diode properties Laser output Max 5 mW Wave length 760 nm 800 nm Emission duration Continuous Print Speed 10 ppm page per minute Printing Resolution 600 600 dpi OS Works with Windo...

Page 14: ...3 INSTALLATION 3 1 LOCATION OF CONTROLS 3 1 1 OVERVIEW Note The paper stacker may not be shown in all illustrations 3 1 2 REAR VIEW 14 KX FLB758RU ...

Page 15: ...3 1 3 CONTROL PANEL 15 KX FLB758RU ...

Page 16: ...ution When you operate this produce the power outlet should be near the product and easily accessible Be sure to use the telephone line cord included in this unit Do not extend the telephone line cord Note You can connect an answering machine or extension telephone to the external telephone jack EXT on this unit When the power is turned on and the display shows the following unlock the shipping lo...

Page 17: ...oring editing or erasing entries in directories from your PC Programming the basic and advanced features from your PC To run Multi Function Station software you need the following 3 3 1 Using an IEEE1284 compliant parallel cable Parallel cable amphenol 36pin less than 3 metres long must be purchased separately 3 3 2 Using a USB cable Windows 95 does not apply for USB port USB cable less than 3 met...

Page 18: ...32 5 C Relative humidity 20 to 80 without condensation Power cord length should be less than 5 meters 16 4 feet Using a longer cord may reduce the voltage or cause malfunctions Avoid direct sunlight Do not install near devices which contain magnets or generate magnetic fields Do not subject the unit to strong physical shock or vibration Keep the unit clean Dust accumulation can prevent the unit fr...

Page 19: ... up to approx 100 sheets of printed paper Remove the printed paper before the paper stacker becomes full 3 4 3 PAPER TRAY Insert the paper tray into the slot on the back of the unit Note for installation Do not place the unit in an area where the paper tray may be obstructed i e by a wall etc Recording paper will be ejected from the front of the unit Do not place anything in front of the unit 19 K...

Page 20: ...lt If you want to use legal or A4 size paper change the setting feature 16 1 Pinch the right side of the recording paper guide then slide it open to its full width 2 Fan the stack of paper to prevent a paper jam 3 Insert the paper into the recording paper entrance The paper should not be over the tab If the paper is not inserted correctly readjust the paper or the paper may jam 4 Adjust the width ...

Page 21: ...d paper Badly curled creased or torn paper Paper with a coated surface 3 4 5 2 USING SCANNER GLASS Effective scanning area is changed depending on the setting of the paper size 16 PROGRAM MODE TABLE P 78 Note for the auto document feeder and the scanner glass Check that ink paste or correction fluid has dried completely Do not send the following types of documents Use copies for fax transmission P...

Page 22: ...3 4 6 TO SELECT CHARACTERS WITH THE DIAL KEYPAD 3 4 7 TO SELECT CHARACTERS USING THE OR KEY 22 KX FLB758RU ...

Page 23: ...3 4 8 SETTING YOUR LOGO The logo can be your company division or name 23 KX FLB758RU ...

Page 24: ... or scratch the green drum surface Do not place the drum unit near dust or dirt or in a high humidity area Do not expose the drum unit to direct sunlight Do not unplug the fax machine to prevent loss of fax documents in memory We cannot be responsible for any damage to the unit or degradation of print quality which may occur from the use of non Panasonic toner cartridge and drum unit Do not leave ...

Page 25: ...artridge and the drum unit Be careful handling Do not drop the toner on the green drum surface Put the used toner cartridge into the protection bag 7 If you replace the drum unit at the same time remove the new drum unit from the protection bag Remove the protection bar from the drum unit With Panasonic face up on the toner cartridge match the red arrows on the cartridge and the drum unit 8 Slide ...

Page 26: ...ding the tabs If the lower glass is dirty clean it with a soft and dry cloth 13 Close the printer cover by pushing down on both sides until locked Waste disposal method Waste material may be dumped or incinerated under conditions which meet all country and local environmental regulations 26 KX FLB758RU ...

Page 27: ...e d setup where d is the drive letter of your CD ROM drive Click OK If you are not sure what the drive letter is for your CD ROM drive use Windows Explorer and look for the CD ROM drive The installation will start 4 Follow the instructions on the screen until all files have been installed Readiris OCR software can also be installed For details about OCR software If the fax machine is not connected...

Page 28: ... testing to determine if the problem originates from the transmitter receiver or the telephone line 4 Determine causes Determine the causes of the equipment problem by troubleshooting 5 Equipment repairs Repair or replace the defective parts and take appropriate measures at this stage to ensure that the problem will not recur 6 Confirm normal operation of the equipment After completing the repairs...

Page 29: ... AND ADF SEPARATION ROLLER P 54 3 ADF Separation Rubber Ref No 43 3 months 7 years 100 000 documents Refer to HOW TO REMOVE THE TOP COVER AND CONVEYOR BLOCK P 55 4 Drive Roller Ref No 34 3 months 7 years 100 000 documents Refer to HOW TO REMOVE THE ADF EXIT ROLLER AND DRIVE ROLLER P 56 5 ADF Exit Roller Ref No 32 3 months 7 years 100 000 documents Refer to HOW TO REMOVE THE ADF EXIT ROLLER AND DRI...

Page 30: ...n rotates in the direction shown in the figure The gears of fixing and developing parts are driven by the GEAR 1A The GEAR PAPER FEED ROLLER drives the roller The GEAR CLUTCH runs idle and GEAR PICKUP PAPER is still 30 KX FLB758RU ...

Page 31: ...FT PAPER The recording paper is pressed by the PICKUP ROLLER and the top paper is separated and fed Then the PLATE LIFT PAPER is pressed down Even the SOLENOID is turned OFF it can not stop on the way of a turn because the tip of HOOK GEAR FIX is on the CAM of GEAR PICKUP PAPER When the tip of HOOK GEAR FIX returns to CAM s home position the GEAR CLUTCH RING is unhooked then the GEAR PICKUP PAPER ...

Page 32: ...ely The document transference roller carries the document and the CIS reads it through the glass The document U turns along the guide and is exited through the paper exit roller DOCUMENT TRANSMISSION SCANNER GLASS The CIS held in the CIS holder is carried by the belt timing along the shaft carriage to the reading start position Then it goes back to the home position reading the document through th...

Page 33: ...document cover Clean the white plate and scanner glass with a soft and dry cloth Close the document cover 4 5 2 LOWER GLASS Caution Be careful when handling the drum and toner unit Do not use paper products such as paper towels or tissues to clean the inside of the unit 1 Disconnect the power cord and the telephone line cord 2 Press down the printer cover open button then open the printer cover 3 ...

Page 34: ...ss with a soft and dry cloth 5 Reinstall the drum and toner unit by holding the tabs 6 Close the printer cover until locked by pushing down on both sides 7 Reconnect the power cord and the telephone line cord 34 KX FLB758RU ...

Page 35: ...ROLLERS If misfeeding of your original occurs frequently clean the document feeder rollers 1 Lift and hold open the ADF cover 2 Clean the document feeder rollers with a soft and dry cloth 3 Close the ADF cover 35 KX FLB758RU ...

Page 36: ...follows 1 Lift and hold open the ADF cover Do not pull out the jammed document forcibly before lifting the ADF cover 2 Remove the jammed document carefully If you cannot remove the jammed document open the document cover remove the document then close the document cover 3 Close the ADF cover 36 KX FLB758RU ...

Page 37: ... following massage The display will show the following 1 Push the front cover open button then open the front cover 2 When the recording paper has jammed near the drum and toner unit Remove the jammed paper by pulling it toward you When the recording paper has jammed near the recording paper exit Remove the jammed paper by pulling it toward you 37 KX FLB758RU ...

Page 38: ...3 Close the front cover until locked by pushing down on both ends 4 Remove the recording paper Straighten and reinsert it into the recording paper entrance 38 KX FLB758RU ...

Page 39: ...R COVER P 44 A3 HOW TO REMOVE THE PICK UP ROLLER ASS Y P 45 A4 HOW TO REMOVE THE DUCT UNIT AND FAN MOTOR P 46 A5 HOW TO REMOVE THE BOTTOM PLATE P 46 A6 HOW TO REMOVE THE ANALOG BOARD AND LSU P 47 A7 HOW TO REMOVE THE DIGITAL BOARD AND MOTOR DRIVER BOARD P 47 A9 HOW TO REMOVE THE HEAT ROLLER AND EXIT ROLLER P 50 A10 HOW TO REMOVE THE PRESSURE ROLLER P 50 39 KX FLB758RU ...

Page 40: ...46 A6 HOW TO REMOVE THE ANALOG BOARD AND LSU P 47 A7 HOW TO REMOVE THE DIGITAL BOARD AND MOTOR DRIVER BOARD P 47 B1 HOW TO REMOVE THE POWER BOARD AND VARISTOR BOARD AND AC INLET P 48 B2 HOW TO REMOVE THE MAIN FRAME P 48 B3 HOW TO REMOVE THE REGISTRATION ROLLER P 49 B4 HOW TO REMOVE THE H V P S P 49 B5 HOW TO REMOVE THE MOTOR BLOCK P 51 40 KX FLB758RU ...

Page 41: ... SHEET P 52 C2 HOW TO REMOVE THE DOCUMENT GUIDE P 53 C3 HOW TO REMOVE THE ADF RELAY BOARD P 53 C4 HOW TO REMOVE THE FEED ROLLER AND ADF SEPARATION ROLLER P 54 C5 HOW TO REMOVE THE TOP COVER AND CONVEYOR BLOCK P 55 C6 HOW TO REMOVE THE ADF MOTOR AND PF SENSOR BOARD P 56 C7 HOW TO REMOVE THE ADF EXIT ROLLER AND DRIVE ROLLER P 56 41 KX FLB758RU ...

Page 42: ...PER GUIDE P 43 D1 HOW TO REMOVE THE TRANSFER ROLLER P 57 D2 HOW TO REMOVE THE OPERATION BOARD P 58 D3 HOW TO REMOVE THE SCANNER GLASS UNIT AND CIS P 59 D4 HOW TO REMOVE THE CIS RELAY BOARD AND CIS SENSOR BOARD P 60 D5 HOW TO REMOVE THE CARRIAGE MOTOR AND SCAN MOTOR DRIVE BOARD P 60 42 KX FLB758RU ...

Page 43: ...5 5 HOW TO REMOVE THE PAPER TRAY DOCUMENT COVER AND PAPER GUIDE 43 KX FLB758RU ...

Page 44: ...5 6 HOW TO REMOVE THE PRINTER COVER 44 KX FLB758RU ...

Page 45: ...5 7 HOW TO REMOVE THE PICK UP ROLLER ASS Y 45 KX FLB758RU ...

Page 46: ...5 8 HOW TO REMOVE THE DUCT UNIT AND FAN MOTOR 5 9 HOW TO REMOVE THE BOTTOM PLATE 46 KX FLB758RU ...

Page 47: ...5 10 HOW TO REMOVE THE ANALOG BOARD AND LSU 5 11 HOW TO REMOVE THE DIGITAL BOARD AND MOTOR DRIVER BOARD 47 KX FLB758RU ...

Page 48: ...5 12 HOW TO REMOVE THE POWER BOARD AND VARISTOR BOARD AND AC INLET 5 13 HOW TO REMOVE THE MAIN FRAME 48 KX FLB758RU ...

Page 49: ...5 14 HOW TO REMOVE THE REGISTRATION ROLLER 5 15 HOW TO REMOVE THE H V P S 49 KX FLB758RU ...

Page 50: ...5 16 HOW TO REMOVE THE HEAT ROLLER AND EXIT ROLLER 5 17 HOW TO REMOVE THE PRESSURE ROLLER 50 KX FLB758RU ...

Page 51: ...5 18 HOW TO REMOVE THE MOTOR BLOCK 51 KX FLB758RU ...

Page 52: ...5 19 HOW TO REMOVE THE WHITE SHEET 52 KX FLB758RU ...

Page 53: ...5 20 HOW TO REMOVE THE DOCUMENT GUIDE 5 21 HOW TO REMOVE THE ADF RELAY BOARD 53 KX FLB758RU ...

Page 54: ...5 22 HOW TO REMOVE THE FEED ROLLER AND ADF SEPARATION ROLLER 54 KX FLB758RU ...

Page 55: ...5 23 HOW TO REMOVE THE TOP COVER AND CONVEYOR BLOCK 55 KX FLB758RU ...

Page 56: ...5 24 HOW TO REMOVE THE ADF MOTOR AND PF SENSOR BOARD 5 25 HOW TO REMOVE THE ADF EXIT ROLLER AND DRIVE ROLLER 56 KX FLB758RU ...

Page 57: ...5 26 HOW TO REMOVE THE TRANSFER ROLLER 57 KX FLB758RU ...

Page 58: ...5 27 HOW TO REMOVE THE OPERATION BOARD 58 KX FLB758RU ...

Page 59: ...5 28 HOW TO REMOVE THE SCANNER GLASS UNIT AND CIS 59 KX FLB758RU ...

Page 60: ...5 29 HOW TO REMOVE THE CIS RELAY BOARD AND CIS SENSOR BOARD 5 30 HOW TO REMOVE THE CARRIAGE MOTOR AND SCAN MOTOR DRIVE BOARD 60 KX FLB758RU ...

Page 61: ...5 31 NOTES FOR ASSEMBLING 5 31 1 PINCH ROLLER SPRING 5 31 2 FAN MOTOR 61 KX FLB758RU ...

Page 62: ...5 31 3 SCANNER GLASS ASS Y 62 KX FLB758RU ...

Page 63: ...5 31 4 FCC DIGITAL BOARD 63 KX FLB758RU ...

Page 64: ...5 32 INSTALLATION POSITION OF THE LEAD 64 KX FLB758RU ...

Page 65: ...65 KX FLB758RU ...

Page 66: ...66 KX FLB758RU ...

Page 67: ...67 KX FLB758RU ...

Page 68: ...68 KX FLB758RU ...

Page 69: ...ype setting feature 15 while the fax machine has a document in memory Finish sending faxes print out the document in memory or cancel the delayed transmission feature 25 and try again The printer cover ADF cover is open Close it There is no space to store new entries in navigator directory Erase unnecessary entries Recording paper was not fed into the unit properly Reinsert the recording paper The...

Page 70: ...e 559 to enable sending of documents longer than 600 mm Refer to DOCUMENT JAMS P 36 The toner cartridge is empty Replace the toner cartridge The remaining toner is low Replace the toner cartridge and as soon as possible We recommend you replace the drum unit every third time you replace the toner cartridge To check the drum life and quality please print the printer test list Refer to TEST FUNCTION...

Page 71: ... listed in the Operating Instructions and are available to the user The special programs are only those listed here and not displayed to the user In both the User and Service Modes there are Set Functions and Test Functions The Set Functions are used to program various features and functions and the Test Functions are used to test the various functions The Set Functions are accessed by entering th...

Page 72: ...ulse sialing according PBX 573 Remote turn on ring number set X number of rings 01 99 10 Sets the number of rings before the unit starts to receive a document in the TEL mode 590 FAX auto redial time set X number of times 00 99 03 Selects the number of redial times during FAX communication not including the first dial 591 FAX auto redial time disconnection time set X second 001 999 065 Sets the FA...

Page 73: ...4800BPS 14 2400BPS 1 14 1 Adjusts the speed to start training during FAX reception Refer to RECEIVE PROBLEM P 119 771 T1 timer 1 35 sec 2 60 sec 1 2 1 Sets a higher value when the response from the other party needs more time during FAX transmission 774 T4 timer 100 msec 00 99 00 Use this function when delay occurs in the line and communication ex Mobile comm does not work well 815 Sensor check Se...

Page 74: ...es Refer to DTMF SINGLE TONE TRANSMIT SELECTION P 75 1 ON 2 OFF LED CHECK Service Mode 5 5 7 All LEDs above the operation panel board flash on and off or are illuminated START KEY CHECK Service Mode 5 6 1 Checks the button operation Indicates the button code on the LCD while the button is pressed Refer to BUTTON CODE TABLE P 75 START any key MEMORY CLEAR Service Mode 5 5 0 To reset the value to th...

Page 75: ...isplayed on the LCD Press 0 to start printing or press 1 to go to the next screen 5 When 1 is pressed at MODE INTVL is displayed on the LCD Enter the printing interval 00 99 sec 6 The printing repeats the designated number of times at the programmed printing intervals START Note The numbers in the boxes XXX indicate the keys to be input for the various test modes 6 3 1 DTMF SINGLE TONE TRANSMIT SE...

Page 76: ...1 NO 01 2 NO 07 3 NO 03 4 NO 09 6 3 3 PRINT TEST PATTERN 76 KX FLB758RU ...

Page 77: ...ne Based on this the parameters for the desired codes can be changed The procedure for changing and listing parameters is described on ENTERING THE REMOTE PROGRAMMING MODE AND CHANGING SERVICE CODES P 77 Also before exiting the remote programming mode it is advisable to obtain a new list to confirm that the changes were made correctly Hint Since the connected telephone is in use during the remote ...

Page 78: ...lect 1 ON 2 OFF ON OK 522 Auto standby select 1 ON 2 OFF ON OK 523 Receive equalizer select 1 0kms 2 1 8km 3 3 6km 4 7 2km 0 km OK 524 Transmission equalizer select 1 0kms 2 1 8km 3 3 6km 4 7 2km 0 km OK 527 V8 Mode 1 DISABLE 2 ENABLE ENABLE OK 529 Memory clear for Call Service NG 550 Memory clear NG 551 ROM check NG 552 DTMF signal tone test 1 ON 2 OFF OFF OK 553 Monitor on FAX communication 1 OF...

Page 79: ... list 1 Start OK 995 Journal 2 list 1 Start OK 996 Journal 3 list 1 Start OK 998 History list 1 Start OK 999 Service list 1 Start OK OK means can set NG means can not set Note Refer to SERVICE FUNCTION TABLE P 72 for descriptions of the individual codes Example If you want to set value in the 004 Transmission report mode press the dial key number 1 2 or 3 corresponding to the Set Value you want to...

Page 80: ...6 4 3 USER MODE The list below is an example of the SYSTEM SETUP LIST the unit prints out Note The above values are the default values 80 KX FLB758RU ...

Page 81: ...6 4 4 SERVICE MODE SETTINGS Example of a printed out list Note The above values are the default values 81 KX FLB758RU ...

Page 82: ... 4 5 HISTORY Example of a printed out list Note See the following descriptions of this report Item No 1 49 are corresponding to the listed items in DESCRIPTIONS OF THE HISTORY REPORT P 83 82 KX FLB758RU ...

Page 83: ...et by the user after they purchased the unit 11 USAGE TIME The amount of time the unit has been powered ON 12 FACTORY NOW This shows how many days from factory production until the user prints out this history list 13 TEL MODE The amount of time the TEL mode setting was used 14 FAX MODE The amount of time the FAX mode setting was used 15 Not used 16 Not used 17 FINAL RECEIVE MODE The last set rece...

Page 84: ...f the unit does not have a PC interface NONE will be printed 34 35 Not used 36 FAX MODE Means the unit received a fax message in the FAX mode 37 MAN RCV Means the unit received a fax message by manual operation 38 Not used 39 Not used 40 RMT DTMF Means the unit detected DTMF Remote Fax activation code entered remotely 41 PAL DTMF Means the unit detected DTMF Remote Fax activation code entered by a...

Page 85: ...expressions for the same problem as they are not a technician or engineer Using your experience test the problem area corresponding to the claim Also returns from a customer or dealer often have a claim tag For these cases as well you need to determine the problem Test the unit using the simple check list on SIMPLE CHECK LIST P 87 Difficult problems may be hard to determine so repeated testing is ...

Page 86: ...t initialization about 3 seconds and the other is the long initialization about 10 seconds The short initialization makes the unit enter the standby mode The long initialization makes the unit enter the standby mode after cleaning or detecting the rest of toner 86 KX FLB758RU ...

Page 87: ...6 5 4 SIMPLE CHECK LIST Note Check according to the service code referring to TEST FUNCTIONS P 74 87 KX FLB758RU ...

Page 88: ... voltage terminal Check the high voltage terminal Failed the high voltage power supply board Go to HIGH VOLTAGE SECTION P 150 Dirty the recording paper path Clean the recording paper path 5 BLACK PRINT P 101 Failed drum unit Replace drum unit Failed LSU Go to LSU SECTION P 147 Failed the high voltage terminal Check the high voltage terminal Failed the high voltage power supply board Go to HIGH VOL...

Page 89: ...place the pickup rubber Failed the solenoid Replace the solenoid Failed the gear Check the gear Failed the engine motor Go to ENGINE MOTOR P 144 Failed the regist sensor lever Check the regist sensor lever Failed the regist sensor 5 THE RECORDING PAPER JAM P 108 PAPER JAMED ON THE LCD Dirty or failed the pressure roller Clean or replace the pressure roller Dirty or failed the heat roller Clean or ...

Page 90: ...3 Failed CIS unit holder Replace CIS unit holder 4 THE SENT FAX DATA IS SKEWED P 113 The cause of ADF Go to ADF P 112 The cause of scanner glass Problem with the other FAX machine 5 THE RECEIVED FAX DATA IS SKEWED P 113 The cause of printing Go to SKEW P 106 Problem with the other FAX machine 6 THE RECEIVED OR COPIED DATA IS EXPANDED P 114 Dirty or failed the drive roller at ADF Clean or replace t...

Page 91: ...e paper sensor lever Replace the paper sensor lever Failed the paper sensor Go to PAPER SENSOR OUT OF PAPER P 191 5 COVER OPEN on the LCD Failed the top cover open switch lever Replace the top cover open switch lever Failed the top cover open switch Go to TOP COVER OPEN SWITCH COVER OPEN P 189 6 CALL SERVICE 1 on the LCD The polygon motor of LSU is unusually Check the connector and LSU and the dig...

Page 92: ... detection point of the Call Service 3 and the thermistor temperature is displayed Maximum 3 latest temperatures are displayed showing the newest on the left AABB CCDD EEFF AA CC and EE show the detection points and BB DD and FF show their temperature detection points 00 means that CALL SERVICE 3 has not been appeared 01 means that it did not reach 85 C within 11 seconds since the heater was turne...

Page 93: ...6 5 6 1 CALL SERVICE 1 CALL SERVICE 1 means that the polygon motor inside the LSU does not rotate The rotation of the polygon motor is detected by IC610 90pin XREADY 93 KX FLB758RU ...

Page 94: ...E 2 means that the synchronous signal out of the LSU cannot be detected The synchronous signal out of the LSU is detected by IC 610 89pin XHSYNC Note As for the Pulse waveform of the above flow chart see the timing chart 94 KX FLB758RU ...

Page 95: ...ICE 3 means that the temperature of the fuser does not rise up to or exceed a constant temperature The temperature is monitored with the thermistor inside the fuser and detected with the voltage input into IC 604 Y6pin 95 KX FLB758RU ...

Page 96: ...run or the running of the FAN cannot be detected normally The running of the FAN is detected by IC 610 93pin CALL SERVICE 4 is displayed when it detects NG five times continuously After reparing copy five times If CALL SERVICE 4 is displayed check again 96 KX FLB758RU ...

Page 97: ...6 5 7 PRINT 6 5 7 1 GHOST IMAGE CROSS REFERENCE HIGH VOLTAGE SECTION P 150 POWER SUPPLY BOARD SECTION P 155 97 KX FLB758RU ...

Page 98: ...6 5 7 2 DARK OR WHITE VERTICAL LINE Note When wiping the lower glass reflecting mirror and LSU lens use a dry and soft cloth CROSS REFERENCE LSU SECTION P 147 98 KX FLB758RU ...

Page 99: ...6 5 7 3 DARK OR WHITE HORIZONTAL LINE CROSS REFERENCE HIGH VOLTAGE SECTION P 150 99 KX FLB758RU ...

Page 100: ...6 5 7 4 DIRTY OR HALF DARKNESS BACKGROUND CROSS REFERENCE HIGH VOLTAGE SECTION P 150 100 KX FLB758RU ...

Page 101: ...6 5 7 5 BLACK PRINT CROSS REFERENCE HIGH VOLTAGE SECTION P 150 LSU SECTION P 147 101 KX FLB758RU ...

Page 102: ...6 5 7 6 LIGHT PRINT CROSS REFERENCE HIGH VOLTAGE SECTION P 150 102 KX FLB758RU ...

Page 103: ...6 5 7 7 BLACK DENSITY IS LIGHT OR UNEVEN CROSS REFERENCE HIGH VOLTAGE SECTION P 150 103 KX FLB758RU ...

Page 104: ...6 5 7 8 BLANK PRINT 6 5 7 9 BLACK OR WHITE POINT 104 KX FLB758RU ...

Page 105: ...6 5 8 RECORDING PAPER FEED 6 5 8 1 MULTIPLE FEED 6 5 8 2 THE RECORDING PAPER IS WAVED OR WRINKLED 105 KX FLB758RU ...

Page 106: ...6 5 8 3 SKEW 106 KX FLB758RU ...

Page 107: ...6 5 8 4 THE RECORDING PAPER DOES NOT FEED CROSS REFERENCE SENSOR SECTION P 141 MOTOR SECTION P 144 107 KX FLB758RU ...

Page 108: ...CROSS REFERENCE PAPER EXIT SENSOR PAPER JAMMED P 191 FAN MOTOR SECTION P 180 REGIST SENSOR FAILED PICK UP P 190 6 5 8 5 THE RECORDING PAPER JAM 108 KX FLB758RU ...

Page 109: ...6 5 8 6 BACK SIDE OF THE RECORDING PAPER IS DIRTY CROSS REFERENCE HIGH VOLTAGE SECTION P 150 109 KX FLB758RU ...

Page 110: ...6 5 9 ADF Auto document feed SECTION 6 5 9 1 NO DOCUMENT FEED DOCUMENT JAM and MULTIPLE DOCUMENT FEED CROSS REFERENCE SENSOR SECTION P 141 110 KX FLB758RU ...

Page 111: ...CROSS REFERENCE MOTOR SECTION P 144 111 KX FLB758RU ...

Page 112: ...6 5 9 2 1 ADF 6 5 9 2 SKEW 112 KX FLB758RU ...

Page 113: ...6 5 9 2 2 SCANNER GLASS 6 5 9 3 THE SENT FAX DATA IS SKEWED CROSS REFERENCE SKEW P 112 6 5 9 4 THE RECEIVED FAX DATA IS SKEWED CROSS REFERENCE SKEW P 106 113 KX FLB758RU ...

Page 114: ...6 5 9 5 THE RECEIVED OR COPIED DATA IS EXPANDED 6 5 9 6 BLACK OR WHITE VERTICAL LINE IS COPIED 114 KX FLB758RU ...

Page 115: ...6 5 9 7 AN ABNORMAL IMAGE IS COPIED CROSS REFERENCE CIS Contact Image Sensor SECTION P 148 115 KX FLB758RU ...

Page 116: ...ng is also possible Troubleshooting Problem with the service line or with the transmitter s fax Refer to RECEIVE PROBLEM P 119 4 The fax completely fails to transmit or receive Copying is also possible Troubleshooting Problem with the electric circuit Refer to THE UNIT CAN COPY BUT CANNOT TRANSMIT RECEIVE P 120 5 The fax fails either to transmit or receive when making a long distance or an interna...

Page 117: ...6 5 10 1 DEFECTIVE FACSIMILE SECTION 6 5 10 1 1 TRANSMIT PROBLEM CROSS REFERENCE WHITE PLATE AND SCANNER GLASS P 33 ADF Auto document feed SECTION P 110 OPERATION PANEL SECTION P 140 117 KX FLB758RU ...

Page 118: ... IS A TRANSMIT PROBLEM Note 596 Transmit level set represents a service code Refer to the SERVICE FUNCTION TABLE P 72 717 Transmit speed select represents a service code Refer to the SERVICE FUNCTION TABLE P 72 118 KX FLB758RU ...

Page 119: ...hooting Is the recording paper installed properly Refer to the next page Note 596 Transmit level set represents a service code Refer to the SERVICE FUNCTION TABLE P 72 718 Receive speec select represents a service code Refer to the SERVICE FUNCTION TABLE P 72 119 KX FLB758RU ...

Page 120: ...of the display errors are shown below MODEM ERROR FAX IN MEMORY PLEASE WAIT CHANGE DRUM FAX MEMORY FULL REDIAL TIME OUT CHECK ADF CABLE LINE IN USE REMOVE DOCUMENT CHECK DOCUMENT MEMORY FULL TONER EMPTY COVER OPEN MODEM ERROR TONER LOW DATA IN MEMORY NO FAX REPLY TRANSMIT ERROR CLOSE ADF COVER OUT OF PAPER WRONG PAPER DIRECTORY FULL PAPER JAMMED CARRIAGE ERROR FAILED PICK UP PC FAIL OR BUSY Please...

Page 121: ...information about a communication but the other two journal reports provide different information on the same item communication HOW TO READ JOURNAL REPORTS Example 1 Look at NO 01 in the JOURNAL If you want to know about the details about that item see NO 01 in the JOURNAL 2 and the JOURNAL 3 You can get the following information MODE Fax transmission RCV MODE TEL TX SPEED 9 6 kbps RESOLUTION sta...

Page 122: ...how many times the trigger has been used For example 0003 means three times No Display Function 1 FAX MODE Means the unit received a fax message in the FAX mode 2 MAN RCV Means the unit received a fax message by manual operation 3 RMT DTMF Means the unit detected DTMF Remote Fax activation code entered remotely 4 PAL DTMF Means the unit detected DTMF Remote Fax activation code entered by a paralle...

Page 123: ... EQM means Eye Quality Monitor Used only at the factory 9 ERROR LINE RX When an error occurs while receiving a fax this shows the number of error lines 10 MAKER CODE This shows a 2 digit code of the other party s fax machine brand 0E KX model 00 Unknown 79 UF model 19 Xerox model 6 5 11 2 JOURNAL 3 Description 6 5 11 3 PRINTOUT EXAMPLE 123 KX FLB758RU ...

Page 124: ...124 KX FLB758RU ...

Page 125: ...ATION ERROR RCV PIN is transmitted 8 52 COMMUNICATION ERROR RCV Reception is finished when the T1 TIMER expires 9 54 ERROR NOT YOUR UNIT RCV DCN is received after DIS transmission 11 58 COMMUNICATION ERROR RCV DCN is received after FTT transmission 13 59 ERROR NOT YOUR UNIT SND DCN responds to the post message 14 64 COMMUNICATION ERROR POL RX Polling is not possible 15 65 COMMUNICATION ERROR SND D...

Page 126: ...Note If the problem remains see the following Countermeasure flow chart 126 KX FLB758RU ...

Page 127: ...CROSS REFERENCE TEST FUNCTIONS P 74 127 KX FLB758RU ...

Page 128: ...CROSS REFERENCE TEST FUNCTIONS P 74 128 KX FLB758RU ...

Page 129: ...CROSS REFERENCE TEST FUNCTIONS P 74 129 KX FLB758RU ...

Page 130: ...CROSS REFERENCE TEST FUNCTIONS P 74 130 KX FLB758RU ...

Page 131: ...131 KX FLB758RU ...

Page 132: ...132 KX FLB758RU ...

Page 133: ...CROSS REFERENCE TEST FUNCTIONS P 74 133 KX FLB758RU ...

Page 134: ...6 5 11 5 CHECK THE STATUS OF THE DIGITAL BOARD 134 KX FLB758RU ...

Page 135: ...ecks each IC The ROM SDRAM and modem are checked If initialization fails for the ICs the system will not boot up In this case please find the cause as follows CROSS REFERENCE NG EXAMPLE P 219 CHECK THE STATUS OF THE DIGITAL BOARD P 134 POWER SUPPLY BOARD SECTION P 155 135 KX FLB758RU ...

Page 136: ...CROSS REFERENCE CHECK THE STATUS OF THE DIGITAL BOARD P 134 136 KX FLB758RU ...

Page 137: ...gnal is output to the telephone line The signal mainly flowing on this route is analog You can trace the signal with an oscilloscope The signal flow on each route is shown in the Check Sheet here If you find a specific problem in the unit for example if you cannot communicate with the H S trace that signal route locally with the following Check Sheet and locate the faulty point 6 5 13 1 CHECK SHEE...

Page 138: ...test in the ITS or the NCU section and locate a defective point where the signal disappears on each route between the handset microphone and telephone line sending or between the telephone line and the handset speaker receiving or between the microphone and the telephone line sending or between the telephone line and the speaker receiving Check the components at that point CHECK SHEET P 137 is use...

Page 139: ...ION 1 The FAX turns on but does not arrive through TAM CROSS REFERENCE TAM INTERFACE SECTION P 230 2 A FAX is received but won t switch from TAM to FAX CROSS REFERENCE ANALOG BOARD SECTION P 137 TAM INTERFACE SECTION P 230 139 KX FLB758RU ...

Page 140: ...6 5 13 4 OPERATION PANEL SECTION Refer to TEST FUNCTIONS P 74 1 NO KEY OPERATION 2 NO LCD INDICATION CROSS REFERENCE TEST FUNCTIONS P 74 140 KX FLB758RU ...

Page 141: ...circuit description Perform an SENSOR CHECK to determine if the sensor is operating correctly 1 Check the document sensor CHECK DOCUMENT 2 Check the paper feed sensor REMOVE DOCUMENT 3 Check the hook switch 4 Check the cover open switch COVER OPEN 141 KX FLB758RU ...

Page 142: ...5 Check the DRUM sensor CHECK DRUM 6 Check the regist sensor FAILED PICKUP 7 Check the paper sensor OUT OF PAPER 8 Check the exit switch PAPER JAMED 142 KX FLB758RU ...

Page 143: ... the cover then perform that check during initializing operation Refer to SENSORS AND SWITCHES SECTION P 185 CROSS REFERENCE SENSORS AND SWITCHES SECTION P 185 10 Check the ADF cover open switch 11 Check the FB cover open switch 12 Check the CIS position sensor ADF Home side 13 Check the CIS position sensor FB Home side 143 KX FLB758RU ...

Page 144: ...6 5 13 6 MOTOR SECTION 6 5 13 6 1 ENGINE MOTOR 144 KX FLB758RU ...

Page 145: ...6 5 13 6 2 ADF MOTOR 145 KX FLB758RU ...

Page 146: ...6 5 13 6 3 CR MOTOR 146 KX FLB758RU ...

Page 147: ...6 5 13 7 LSU SECTION CROSS REFERENCE LSU Laser Scanning Unit SECTION P 183 147 KX FLB758RU ...

Page 148: ...6 5 14 CIS Contact Image Sensor SECTION CROSS REFERENCE TEST FUNCTIONS P 74 148 KX FLB758RU ...

Page 149: ...ut high voltage from each terminal so be careful not to touch them The sound Pi Pi Pi warns that the high voltage is outputting 7 When the measurement is finished push the STOP button The high voltage output is stopped 8 Repeat the items No 5 7 until the measurement is finished 9 When the measurement is finished turn OFF the TOP cover SW Output voltage of each terminal No BIAS Name Specified outpu...

Page 150: ...6 5 16 HIGH VOLTAGE SECTION 150 KX FLB758RU ...

Page 151: ...151 KX FLB758RU ...

Page 152: ...152 KX FLB758RU ...

Page 153: ...153 KX FLB758RU ...

Page 154: ...r the High Voltage Probe HV PROBE 9014 of HIOKI electric co or the equivalent should be used As for the tester FLUKE 85 III multimeter or the equivalent should be used Be careful not to touch the terminals during adjustment because the high voltage is used 154 KX FLB758RU ...

Page 155: ...test withstanding voltage test intentional short circuit test etc Caution If you find a melted fuse in the unit do not turn on the power until you locate and repair the faulty parts except for the fuse otherwise the fuse will melt again and you cannot pinpoint the faulty point In most cases the symptom is that nothing is output It is more likely that the fault is in the primary side rather than th...

Page 156: ...6 5 17 2 TROUBLESHOOTING FLOW CHART 156 KX FLB758RU ...

Page 157: ...of Q101 is a short circuit between the Drain and Gate because damage expands to the peripheral circuit of Q101 This is due to a very high voltage through the Gate circuit which is composed of R109 and IC101 You should change all of the parts listed as follows F101 Q101 R109 IC101 D201 If D201 is broken the oscillation circuit in the power supply cannot operate Check it with an electric tester 157 ...

Page 158: ...6 6 PROBLEMS WITH PC SOFTWARE 6 6 1 GENERAL 158 KX FLB758RU ...

Page 159: ...6 6 2 SCAN 159 KX FLB758RU ...

Page 160: ...7 CIRCUIT OPERATIONS 7 1 CONNECTION DIAGRAM 7 1 1 CONNECTION DIAGRAM 1 160 KX FLB758RU ...

Page 161: ...7 1 2 CONNECTION DIAGRAM 2 161 KX FLB758RU ...

Page 162: ...7 1 3 POWER SUPPLY FLOW 162 KX FLB758RU ...

Page 163: ...is memory is used for image processing 5 CODEC IC609 Performs the modulation and the demodulation for FAX communication 6 Read Section CIS image sensor to read transmitted documents 7 Motor Driver Board Drives the motor 8 LSU Laser Scanning Unit Forms the images on the OPC drum by rotating polygon motor and reflecting the laser beam against polygon 9 Analog Board Composed of ITS circuit and NCU ci...

Page 164: ...164 KX FLB758RU ...

Page 165: ...L1 DRUM TOPCVR REGIST 24V 5V HTRON XHSYNC LDON APC VIDEO XREADY POLON POLCLK KSTART KLATCH KSCLK KTXD KRXD JOG1 JOG2 CN603 FANDET1 FANON1 FANON2 PICKUP SRAS SCAS SWE SCS SCLK 40MHz SCLKE SDQML SDQMU SA 13 12 XRESET XCS CLK 10MHz DMAACK ALE SCLK 40MHz IRQ DMAREQ XWR XRD XROMCS D 15 0 A 11 0 A 17 12 SDA 12 0 SDD 15 0 SDCAS SDWE SDCS SDCLK 100MHz SDRAS SM 3 0 USB_Dp USB_Dn PIOD 7 0 ADFOPEN FBOPEN P F...

Page 166: ...resses of the this area are from 000000H to 1FFFFFH 7 3 1 4 GATE ARRAY IC610 This custom IC is used as following 1 LSU I F Control the polygon motor and output video signal to LSU 2 OPERATION PANEL I F Serial interface with operation canal 3 FAN MOTOR I F Control FAN MOTOR and detect the rotation of FAM MOTOR 4 ANALOG I F Serial interface for analog ASIC and electrical volume 5 I O PORT I O Port I...

Page 167: ...wer switch is OFF and the voltage of 3 3V decreases pin F17 of RTC IC604 becomes roughly the same voltage as the battery voltage RTC goes into the backup mode in which the power consumption is lower Points to notice when replacing the battery When the backup battery becomes low or the backup function is turned off for repairing recover the backup power supply following the procedure described belo...

Page 168: ...through the NCU section and enters pin 13 of the CODEC IC609 The signals that enter pin 13 of the CODEC IC609 are demodulated in the board to digital image signals and then send pin p1 of the ASIC IC604 In this case the image signals from the telephone line are transmitted serially In the ASIC IC604 Here the internal equalizer circuit reduces the image signals to a long distance receiving level Th...

Page 169: ... level 3 3V in normal times while L 0V at reset A built in reset circuit inside IC 604 triggers a reset when the 5V power line voltage drop below 4 3V or the 3 3V power line voltage drop below 2 9V What to do when the system does not start up after the power is turned ON 169 KX FLB758RU ...

Page 170: ...ply 22 LINEOUT Line amp output 5 VOXOUT VOX output 23 LINEIN Line amp input 6 VOXDET VOX detection adjustment 24 MODEMTXIN MODEM TX amp input 7 VOXIN VOX input 25 MODEMTXOUT MODEM TX amp output 8 VSS Logic ground 26 NC Not used 9 NC Not used 27 TONEIN Tone amp input 10 ROUT2 HS receiver amp output 2 28 NC Not used 11 ROUT1 HS receiver amp output 1 29 NC Not used 12 RIN HS receiver amp input 30 GND...

Page 171: ...e control signals transmitted to the analog section are output mainly from G A IC610 and the analog status is stored as data in G A IC610 2 Circuit Operation NCU Network Control Unit the NCU comprises of the following DC loop forming circuit to connect with the telephone line Switching circuit for other interconnected telephones Bell detection circuit Side tone circuit Remote fax activation circui...

Page 172: ...20 30 0 6 12 DET 20 MIDATA MICLK MILAT L235 L236 POS201 SA201 C278 T201 R292 R293 C310 C311 C312 IC207 C280 D201 C266 R258 R270 R280 R284 C289 C300 C285 C288 R269 R287 R291 C340 C306 C309 R289 R276 R267 IC207 C243 D208 Q210 PC204 R237 PC203 R311 R307 R310 Q211 D209 T202 TO HANDSET CN204 C359 R201 R202 R203 C350 C351 R326 R343 R345 R338 C360 C349 C347 C338 C210 R324 R318 R207 C330 R334 IC209 IC209 ...

Page 173: ...stor Q611 turns on This applies voltage to the LED array to light it The contact image sensor is driven by each of the FTG F1 signals output from IC604 and the original image illuminated by the LED array undergoes photoelectric conversion to output an analog image signal SIG The analog image signal is input to the system ASIC on SCIN pin w5 of IC604 and converted into 8 bit data by the A D convert...

Page 174: ...g 2 Motor operation Excitation pulses is output from ASIC IC604 pins U8 W9 Y9 and Y12 Then stepping pulses are output from driver IC IC1 pin No 9 11 15 and 19 and drives the motor coil During motor driving pin N1 and pin R2 of ASIC IC604 becomes a low level As a result a current of about 1A are supplied to the motor coil DRIVE MODE FUNCTION MODE PHASE PATTERN SPEED CURERENT PRINT 2 phase 743pps t ...

Page 175: ...7 5 1 2 ENGINE MOTOR DRIVE CIRCUIT 175 KX FLB758RU ...

Page 176: ... Motor operation During motor driving pin R3 of ASIC IC604 becomes a high level and Q606 Q602 turns ON As a result 24V is supplied to the motor coil Stepping pulses are output from ASIC IC604 pins U6 Y7 W7 V7 causing driver IC600 pins 16 13 to drive the motor coil The motor coil is energized sequentially in 2 phase increments which causes a 1 step rotation A 1 step rotation feeds 0 042mm of docume...

Page 177: ...T FUNCTION MODE PHASE PATTERN SPEED SCAN FAX STANDARD 1 2 phase 833pps t 1 833 SCAN FAX COPY FINE HALF TONE 1 2 phase 833pps t 1 833 SCAN FAX COPY SUPER FINE 1 2 phase 833pps t 1 833 SCAN PAPER FEED 1 2 phase 833pps t 1 833 STAND BY ALL PHASE OFF 177 KX FLB758RU ...

Page 178: ... operation During motor driving pin P4 of ASIC IC604 becomes a high level and Q605 Q600 turns ON As a result 24V is supplied to the motor coil Stepping pulses are output from ASIC IC604 pins U6 Y7 W7 V7 causing driver IC500 pins 16 13 to drive the motor coil The motor coil is energized sequentially in 2 phase increments which causes a 1 step rotation A 1 step rotation feeds 0 042mm of document pap...

Page 179: ...ION MODE PHASE PATTERN SPEED SCAN FAX STANDARD 1 2 phase 833pps t 1 833 SCAN FAX COPY FINE HALF TONE 1 2 phase 833pps t 1 833 SCAN FAX COPY SUPER FINE 1 2 phase 833pps t 1 833 SCAN NO SCANNING 1 2 phase 1250pps t 1 1250 STAND BY ALL PHASE OFF 179 KX FLB758RU ...

Page 180: ...s used to radiate heat in the unit The signal level at pin 95 96 of IC610 becomes high the FAN is activated In this case the pulse signal as shown below input to pin 93 of IC610 and the rotation of the FAN is detected 180 KX FLB758RU ...

Page 181: ...d it rotates at low speed typ 2400 rpm when the temperature of the unit goes up over a fixed one or depending on the number of printed papers frequency While the fan is rotating at high speed the voltage of 24 V is supplied to the fan however while rotating at low speed the supply voltage is decreased to 12V Each signal wave is as follows 1 High speed rotation typ 4800 rpm 2 Low speed rotation typ...

Page 182: ...t controls the pick up clutch The solenoid is designed to be driven by 24V driven by IC610 79 pin Diode D603 protects Q615 from backward voltage when the solenoid is driven Mode IC606 149 pin SOLENOID ON high level SOLENOID OFF low level 182 KX FLB758RU ...

Page 183: ...7 8 LSU Laser Scanning Unit SECTION 183 KX FLB758RU ...

Page 184: ...184 KX FLB758RU ...

Page 185: ...rd PS503 CIS Position FB Home High Voltage Board OPC Set CHECK DRUM High Voltage Board PC201 Register FAILED PICK UP Motor Driver Board PS1 Paper OUT OF PAPER Exit Sensor Board PS50 Exit PAPER JAMMED Analog Board PS201 Toner TONER EMPTY TONER LOW CHANGE DRUM Analog Board SW200 Hook Note See TEST FUNCTIONS SENSOR CHECK SECTION for the sensor test 815 of Service Mode test Refer to TEST FUNCTIONS P 7...

Page 186: ...ignal of IC610 118pin IC610 119pin becomes a low level When there is no document the shelter plate shuts off the sensor light the photo transistor turns OFF and the input signal of IC610 118pin IC610 119pin becomes a high level Document Sensor Phototransistor Signal IC610 118pin No Document OFF High level Document Set ON Low level Paper Feed Sensor Phototransistor Signal IC610 119pin No Read Posit...

Page 187: ...in becomes a high level When there is no CIS the shelter plate let the sensor light pass through the photo transistor turns ON and the input signal of IC610 100pin IC610 101pin becomes a low level ADF Home Sensor Phototransistor Signal IC610 100pin Home position OFF High level Not Home position ON Low level FB Home Sensor Phototransistor Signal IC610 101pin Home position OFF High level Not Home po...

Page 188: ...ecomes a high level Switch Signal IC610 116pin Open OFF High level Close ON Low level 7 9 5 FB COVER OPEN SWITCH The Switch detects whether the Flat Bed cover is open or closed When the Flat Bed cover is closed the switch turns ON and the input signal of IC610 117pin becomes a low level When the Flat Bed cover is open the switch turns OFF and the input signal of IC610 117pin becomes a high level S...

Page 189: ...hes turns OFF and the input signal of IC604 U4 pin becomes a low level Switch Signal IC604 U4 pin Open OFF Low level Close ON High level 7 9 7 DRUM SENSOR CHECK DRUM The Switch detects whether the DRUM unit is set or not When there is the DRUM unit the input signal of IC604 V1 pin becomes a low level When there is no DRUM unit the input signal of IC604 V1 pin becomes a high level Signal IC604 V1 p...

Page 190: ...light passing through the photo transistor turns ON and the input signal of IC610 154 pin becomes a low level When there is no recording paper the shelter plate closes the sensor light the photo transistor turns OFF and the input signal of IC610 154 pin becomes a high level Photo transistor Signal IC610 154 pin No Recording Paper OFF High level Recording Paper Regist ON Low level 190 KX FLB758RU ...

Page 191: ...6 178 pin Recording Paper Set OFF High level No Recording Paper ON Low level 7 9 10 PAPER EXIT SENSOR PAPER JAMMED The sensor detects whether the recording paper exit out or noy When there is no recording paper at the position of the sensor the shelter plate closes the sensor light the photo transistor fot tarus OFF and the input signal of IC610 120pin becomes high level When the recording paper r...

Page 192: ...ner Sensor The rest of toner is detected by the move speed of the magnet put on the pendulum of Mixing Paddle The pendulum is pushed up by the Mixing Paddle then it falls down by its own weight The rotation speed of paddle is set slower than the one of pendulum which falls down by its own weight When the toner is still left the pendulum falls and stops on the toner then pushed by the paddle it sta...

Page 193: ... signal at only printing It is not executed at 2 Toner full can be judged by continuous 3 times TONER FULL signal at initialization It is not executed at printing 3 In the ordinal operation CHECK DRUM is displayed when TONER EMPTY sensor does not generate a signal for 2 7 seconds 193 KX FLB758RU ...

Page 194: ...ey Matrix Hard only KIN0 KIN1 KIN2 KIN3 KIN4 KIN5 KIN6 KIN7 KS0 3 SW109 SW112 6 SW110 8 SW107 5 SW106 2 SW105 9 SW111 0 SW108 KS1 REDIAL SW113 MONITOR SW116 HANDSET MUTE SW114 7 SW103 4 SW102 1 SW101 FLASH SW115 SW104 KS2 RESOLUTION SW133 FAX START SW137 SCAN SW134 COPY SW135 COLLATE SW132 STOP SW136 AUTO ANSWER SW117 KS3 F3 SW123 F5 SW122 F4 SW120 F2 SW121 F1 SW119 F6 SW124 LOWER SW118 KS4 VOL SW...

Page 195: ...ing the ASCII code from the data bus D4 D7 V0 is supplied for the crystal drive R130 and R134 are density control resistors Consequently in this unit the timing positive clock is generated by the LCD interface circuitry in the gate array IC101 195 KX FLB758RU ...

Page 196: ...rmat Constant voltage 3 Supply roller Rate output voltage 550 50V SUP BIAS Impedance range 20M 2000MΩ Output format Constant voltage 4 Transfer Variable output current 4 30µA Output current TRA BIAS Output voltage 3500V Max varies with the Output format Variable Constant current printed rate Transfer Rate output voltage 1200 100V TRA BIAS Output format Constant voltage DEV BIAS is output from one ...

Page 197: ...is output from SUP output and Developing BIAS 350V is output from DEV BIAS By performing the DEV BIAS output the condenser C208 is charged with an electric charge Charging the C208 will be saturated at 50ms After that when DEV CHG terminal becomes L Q204 turns ON and the electric charge charged to the C208 is released This electric charge becomes a constant voltage at ZD203 and Developing BIAS 220...

Page 198: ...l is input to the TRA CLK terminal Q101 turns ON by MC101 and TRA CURRENT BIAS according to the PWM signal is output from TRA OUTPUT The PWM signal will be turned to a constant voltage by the resistor and the condenser and input to the MC101 The MC101 compares this voltage with the feedback voltage from T101 and controls the Q101 As for the transfer current 30µA is output when DUTY of the TRA CLK ...

Page 199: ... 80pin and is turned ON OFF at the triac CR101 And a thermostat and a thermo fuse are set on the AC line as the safety devices 1 Control at Printing a After the printing signal is received turn ON the heater b After that turn ON the motor at the temperature T1 about 125 C c After that control at the temperature T2 about 180 C and after the fixing stable time tf has passed feed papers at the paper ...

Page 200: ...he temperature of the thermostat exceeds 135 C the internal switch turns off to cut off the current to the heater and the heater is turned off c If the temperature of the thermo fuse exceeds 118 C the internal switch turns off to cut off the current to the heater and the heater is turned off Thermo stat and thermo fuse is apart from heat roller so the detect temperature is low 3 Safety Control by ...

Page 201: ... 3F 95 39 179 1C 12 3F 96 39 180 1B 13 3F 97 39 181 1B 14 3F 98 38 182 1B 15 3F 99 38 183 1A 16 3F 100 38 184 1A 17 3F 101 38 185 1A 18 3F 102 37 186 19 19 3F 103 37 187 19 20 3F 104 37 188 18 21 3F 105 36 189 18 22 3F 106 36 190 18 23 3F 107 36 191 17 24 3F 108 36 192 17 25 3F 109 35 193 17 26 3F 110 35 194 16 27 3F 111 35 195 16 28 3F 112 34 196 15 29 3F 113 34 197 15 30 3F 114 34 198 15 31 3F 1...

Page 202: ... 140 2B 224 0C 57 3F 141 2B 225 0C 58 3F 142 2A 226 0B 59 3F 143 2A 227 0B 60 3F 144 29 228 0B 61 3F 145 29 229 0A 62 3F 146 29 230 0A 63 3F 147 28 231 0A 64 3F 148 28 232 0A 65 3F 149 28 233 09 66 3F 150 27 234 09 67 3F 151 27 235 09 68 3E 152 26 236 08 69 3E 153 26 237 08 70 3E 154 26 238 08 71 3E 155 25 239 08 72 3E 156 25 240 07 73 3E 157 24 241 07 74 3D 158 24 242 07 75 3D 159 24 243 07 76 3D...

Page 203: ...tage Wave Form E F G H Voltage Wave Form 0 0 0 Block Diagram CN101 CN102 T101 PC101 IC202 Triac SCR101 Heat Lamp Phot Triac Coupler PC102 Input Circuit The input current goes into the input rectifier circuit through the filter circuit The filter circuit decreases the noise voltage and the noise electric field strength Rectifier Circuit The input current is rectified by D101 D104 and charges C106 t...

Page 204: ...s L D1 Load L Then the power is supplied to the Load When Q1 is ON power is not output from the secondary side The output voltage is fed back in the control IC according to the error amp rectifier Then depending on how TON is controlled stabilization occurs Also when the current load becomes too large in order to decrease the voltage output the increase in is controlled and the output voltage is s...

Page 205: ...ltage of the 24V circuit increases the current of the photo coupler PC101 increases the pulse width of the output control IC becomes narrower and the ON period of Q101 becomes shorter Over Current Limiter O C L The highest drain current Q101 is limited by a limiter circuit IC101 of 24V The 24V output is limited by this circuit Over Voltage Circuit If the 24V output increases because the error dete...

Page 206: ...ctric potential The sensitive drum is the Organic Photo Conductor OPC which is a electric conductive cylinder whose surface is covered with the Charge Generation Layer CGL and Charge Transfer Layer CTL When the charging bias DC 1 2 Kiev is added and the minus charge is supplied to the charge brush while charging the whole surface potential of the drum is 800V Charging Part 206 KX FLB758RU ...

Page 207: ...ayer which conducts the plus charge the minus charged drum s surface is neutralized to be skipped Then the minus charge goes to the ground from the electric conductive cylinder Consequently the charge of the part which is not exposed remains as it is and the electric potential of the scanned part changes At that time an invisible image is created on the drum Exposing Part 8 1 4 LASER SCANNING UNIT...

Page 208: ...ransferred to the surface of the exposed OPC drum by the potential difference between the developing roller and OPC drum s surface The transcription is the stage that the created image on the OPC drum is transferred to the paper When the transfer roller is plus charged with the image the minus charged toner particles are gathered on the surface of the drum and transferred to the paper Developing a...

Page 209: ...s the stage that cleans the remain toner after the transcription stage The remain toner on the drum and the toner which was attached to the place where the laser beam didn t scan are gathered to the developing roller to be used again When no paper is supplied the transcription roller is minus charged to eliminate the minus charged toner Cleaning Part 209 KX FLB758RU ...

Page 210: ...rature so the thermistor and the thermal fuse are provided 1 Thermistor The thermistor touches the heat roller and check the temperature to feed back to the control circuit The surface temperature should be kept 178 C while printing 2 The thermal fuse The thermal fuse plays the role to prevent the heat roller from rising to abnormal high temperature The thermal fuse is located near the heat roller...

Page 211: ...y one separated by the separation pad The spring plate adds the pressure to the document so that the separation pad can separate the documents properly Spring plate helps the document endure the pressure of separation pad to be fed smoothly The document is ejected document stacker 8 1 8 2 Copying with the Scanner Glass The motor gear belt etc cause CIS and the carriage above CIS to drive while cop...

Page 212: ...8 1 9 TIMING CHART When Printing Two Sheets of Paper BASIC 212 KX FLB758RU ...

Page 213: ...8 1 10 Timing Chart Initializing Short 8 1 11 Timing Chart Initializing Long 213 KX FLB758RU ...

Page 214: ...8 1 12 Timing Chart when the registration sensor is turned OFF then ON during initializing 214 KX FLB758RU ...

Page 215: ...8 2 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 215 KX FLB758RU ...

Page 216: ...216 KX FLB758RU ...

Page 217: ... by temporarily soldering two diagonally opposite pins in the correct positions on the PCB Be certain each pin is located over the correct pad on the PCB 2 Apply flux to all of the pins on the IC 3 Being careful to not unsolder the tack points slide the soldering iron along the tips of the pins while feeding enough solder to the tip so that it flows under the pins as they are heated 8 3 3 REMOVING...

Page 218: ...plied and any malfunctions are analyzed In past experiences digital IC especially DRAM and ROM malfunctions are extremely rare after installation in the product This may be repaired by replacing the IC DRAM etc However the real cause may not have been an IC malfunction but a soldering fault instead Soldering faults difficult to detect with the naked eye are common particularly for ASIC and RA Resi...

Page 219: ...8 4 1 NG EXAMPLE 219 KX FLB758RU ...

Page 220: ...8 4 2 ASIC IC604 PIN LAYOUT 220 KX FLB758RU ...

Page 221: ...ormats which reduce the band width of a signal are sent over telephone lines Determined in 1968 Transmission for about 6 minutes at a scanning line density of 3 85 lines mm Group II G2 Using reduction technology in the modulation demodulation format an A 4 size document is sent at an official scanning line density of 3 85 lines mm for about 3 minutes Methods to suppress redundancy are not used Det...

Page 222: ...r the document contents have been sent to confirm that the document was actually sent and to check for telephone reservations and or the existence of continuous transmission 5 Facsimile Standards Item Telephone Network Facsimile G3 Machine Connection Control Mode Telephone Network Signal Mode Terminal Control Mode T 30 Binary Facsimile Signal Format Digital Modulation Mode PSK V 27 ter or QAM V 29...

Page 223: ...nal DCS Digital Command Signal Identification Signal Format X1000001 Example Some models do not support the following items Bit No DIS DTC DCS 1 Transmitter T 2 operation 2 Receiver T 2 operation Receiver T 2 operation 3 T 2 IOC 176 T 2 IOC 176 4 Transmitter T 3 operation 5 Receiver T 3 operation Receiver T 3 operation 6 Reserved for future T 3 operation features 7 Reserved for future T 3 operatio...

Page 224: ...22 23 0 0 0 0 0 1 0 1 0 1 0 0 0 1 1 1 1 0 1 0 1 1 1 1 Minimum scan line time capability of the receiver 20 ms at 3 85 l mm T7 7 T3 85 40 ms at 3 85 l mm T7 7 T3 85 10 ms at 3 85 l mm T7 7 T3 85 5 ms at 3 85 l mm T7 7 T3 85 10 ms at 3 85 l mm T7 7 1 2 T3 85 20 ms at 3 85 l mm T7 7 1 2 T3 85 40 ms at 3 85 l mm T7 7 1 2 T3 85 0 ms at 3 85 l mm T7 7 T3 85 Minimum scan line time 20 ms 40 ms 10 ms 5 ms ...

Page 225: ... CFR Confirmation to Receive X0100001 Notifies the sending side that TCF has been properly received If TCF is not properly received FTT Failure To Train X0100010 is relayed to the sender The sender then reduces the transmission speed by one stage and initiates training once again Training 2 Used for reconfirming the receiving side like training 1 Image Signal Refer to the next page RTC Return to C...

Page 226: ...226 KX FLB758RU ...

Page 227: ...ration The reception signal output from the line transformer T201 is input to pin 6 of IC207 via R269 C285 and then the signal is amplified at pin 7 of IC207 and sent to the reception system at 1 7dB The transmission signal goes through C243 R276 and enters IC207 pin 2 where the signal is amplified to about 27 2dB Then it is output from pin 1 of IC207 and transmitted to T201 via C312 R293 and R292...

Page 228: ...d 8 7 1 1 TELEPHONE MONITOR 1 Function This is the function when you are not holding the handset and can hear the caller s voice from the line 2 Circuit Operation Telephone Monitor Signal Path Signals received from the telephone line are output through at the speaker via the following path 3 Signal Path Refer to CHECK SHEET 8 7 1 2 HANDSET CIRCUIT 1 Function This circuit controls the conversation ...

Page 229: ...r attenuates the 16 kHz account signal from the commutator to eliminate influence on the conversation and communication 2 Circuit Operation This low pass filter is an eight order active filter and the cutoff frequency is approximately 4 kHz 229 KX FLB758RU ...

Page 230: ...G signal A If the unit detects the CNG signal it will switch to FAX receiving and disconnect the external TAM automatically 2 After sending the OGM the answering machine starts to record the message of the other party ICM recording If the unit detect the CNG signal or the unit will disconnect the line C 2 Circuit Operation The TAM INTERFACE circuit consists of CNG signal from the other party s det...

Page 231: ...ONNECTED TELEPHONE When CNG signal is transmitted from the other party s phone after a parallel connected phone or an external phone goes OFF Hook while the telephone is ringing the machine automatically starts receiving FAX 231 KX FLB758RU ...

Page 232: ...8 8 TEST CHART 8 8 1 ITU T No 1 TEST CHART 232 KX FLB758RU ...

Page 233: ...8 8 2 ITU T No 2 TEST CHART 233 KX FLB758RU ...

Page 234: ...9 FIXTURES AND TOOLS 234 KX FLB758RU ...

Page 235: ...10 CABINET MECHANICAL AND ELECTRICAL PARTS LOCATION 10 1 GENERAL SECTON 235 KX FLB758RU ...

Page 236: ...10 2 DOCUMENT TRAY BLOCK AND UPPER ADF SECTION 236 KX FLB758RU ...

Page 237: ...10 3 CONVERYOR BLOCK SECTION 237 KX FLB758RU ...

Page 238: ...10 4 LOWER ADF SECTION 238 KX FLB758RU ...

Page 239: ...10 5 UPPER PRINTER COVER SECTION 239 KX FLB758RU ...

Page 240: ...10 6 LOWER PRINTER SECTION 240 KX FLB758RU ...

Page 241: ...10 7 UPPER MAIN CABINET SECTION 241 KX FLB758RU ...

Page 242: ...10 8 LOWER MAIN CABINET SECTION 242 KX FLB758RU ...

Page 243: ...10 9 FUSER SECTION 243 KX FLB758RU ...

Page 244: ...10 10 MAIN FRAME SECTION 244 KX FLB758RU ...

Page 245: ...10 11 MOTOR SECTION 245 KX FLB758RU ...

Page 246: ...10 12 ACTUAL SIZE OF SCREWS AND WASHER 246 KX FLB758RU ...

Page 247: ...11 ACCESSORIES AND PACKING MATERIALS 247 KX FLB758RU ...

Page 248: ...DOCUMENT L ABS HB 20 PFQT1838Z LABEL FACE DOWN 21 PFKV1050V1 COVER TOP PS HB 22 PFDE1177Z LEVER LOCK ADF R POM HB 23 PFDE1178Z LEVER LOCK ADF L POM HB 12 1 2 CONVERYOR SECTION Ref No Part No Part Name Description Remarks 30 PFUE1012Z1 COVER CONVEYOR EXIT PS HB 31 PFNPD052080 SPACER 32 PFDN1056Z ROLLER ROLLER EXIT 33 PFDJ1056Z SPACER DRIVE ROLLER2 34 PFDN1055Z ROLLER DRIVE POM HB 35 PFUS1340Z LEAF ...

Page 249: ...N NAVI 181 PFBX1155Z2 PUSH BUTTON DIAL ABS HB 182 PFGG1200K2 GRILLE OPERATION PS HB Ref No Part No Part Name Description Remarks 183 PFGP1207X PANEL LCD 184 PFGV1012Z COVER TEL NO CARD 185 PFGD1047Z CARD TEL NO 186 PFGG1074Z2 GRILLE SUB PS HB 187 PFGV1016Z COVER LCD PROTECT 188 PFGB1003Z3 BADGE PS HB 189 PFGX1004Z PUSH BUTTON STOP 190 PFGX1002Z PUSH BUTTON COPY 191 PFGX1003Z PUSH BUTTON FAX 192 PF...

Page 250: ...D ROLLER POM HB 334 PFDN1047Z ROLLER FEED PAPER 335 PFDF1005Z SHAFT SUPPORT ROLLER 336 PQDR9685Y ROLLER SUPPORT POM HB 337 PFUS1396Z COIL SPRING Ref No Part No Part Name Description Remarks 338 PFUA1027X CHASSIS PC ABS GF20 V0 339 PFQT1874V LABEL DRUM INSTALL 340 PFQT2115Z LABEL LASER CAUTION 341 PFUS1272Z TORSION SPRING 342 PFUE1001Z PLASTIC PART PS FB 343 PFUS1274Z TORSION SPRING 344 PFUS1028Z T...

Page 251: ...NCD56DT DIODE SI S D600 MA7160 DIODE SI D601 PQVDNNCD56DT DIODE SI S D602 MA141WK DIODE SI D603 PQVDRLS73T DIODE SI S D604 PQVDNNCD56DT DIODE SI S D606 PFVDRMRLS245 DIODE SI S D607 PFVDRMRLS245 DIODE SI S D608 B0JAME000005 DIODE SI Ref No Part No Part Name Description Remarks DA600 PFVDNECD5R6G DIODE SI DA601 PFVDNECD5R6G DIODE SI DA602 PFVDNECD5R6G DIODE SI DA603 PFVDNECD5R6G DIODE SI DA604 B0ZBZ...

Page 252: ...04B00036 CONNECTOR 4P CN608 PQJP10G30Y CONNECTOR 10P S CN609 PQJP02G100Z CONNECTOR 2P CN610 PQJP5G30Y CONNECTOR 5P S CN611 PQJP11G30Y CONNECTOR 11P S CN612 PQJP05G100Z CONNECTOR 5P CN613 PQJP8G30Y CONNECTOR 8P S CN614 PQJP9G30Y CONNECTOR 9P S CN615 PQJP10G30Y CONNECTOR 10P S CN616 PQJS28X59Z CONNECTOR FUSE F600 PFRB002122KZ FUSE S F601 PFRB002122KZ FUSE S F602 PFRB0031063 FUSE RESISTOR F603 PFRB00...

Page 253: ... 5 6k R630 ERJ3GEYJ563 56k R631 ERJ3GEYJ563 56k R632 ERJ3GEYJ332 3 3k R633 ERJ3GEYJ222 2 2k R634 ERJ3GEYJ472 4 7k R635 ERJ3GEYJ562 5 6k R636 ERJ3GEYJ562 5 6k R637 ERJ3GEYJ563 56k R638 ERJ3GEYJ563 56k R639 ERJ3GEYJ221 220 R640 ERJ3GEYJ152 1 5k R641 ERJ3GEYJ104 100k Ref No Part No Part Name Description Remarks R642 ERJ3GEYJ152 1 5k R643 ERJ3GEYJ332 3 3k R644 ERJ3GEYJ822 8 2k R645 ERJ3GEYJ103 10k R64...

Page 254: ... Part Name Description Remarks RA621 PFXBV8V470JV RESISTOR ARRAY S CRYSTAL OSCILLATORS X600 H0J282500005 CRYSTAL OSCILLATOR X601 PFVCCFS32Z CRYSTAL OSCILLATOR S 12 4 ANALOG BOARD PARTS Ref No Part No Part Name Description Remarks PCB2 PFLP1377RU A ANALOG BOARD ASS Y RTL ICs IC201 AN6384SB IC IC202 C1BB00000101 IC IC203 PQVIMC34119D IC S IC204 C0ABEB000038 IC IC205 C0ABEB000038 IC IC206 C0ABEB00003...

Page 255: ...V1C104ZFV 0 1 C216 ECEA1HU100 10 S C217 ECUV1H223KBV 0 022 S C218 ECUV1C104ZFV 0 1 C219 ECUV1C104KBV 0 1 C220 ECUV1H681JCV 680p C221 ECEA1VU101 100 S C222 ECUV1H330JCV 33p C223 ECUV1H100DCV 10p S C224 ECUV1C104KBV 0 1 C225 ECUV1C104ZFV 0 1 C226 ECUV1C104KBV 0 1 C228 ECEA1EU101 100 S C229 ECEA0JK221 220 S C230 ECUV1C104ZFV 0 1 C231 ECUV1C104ZFV 0 1 Ref No Part No Part Name Description Remarks C234 ...

Page 256: ...3GEYJ123 12k R219 ERJ3GEYJ394 390k R220 ERJ3GEYJ134 130k R221 ERJ3GEYJ563 56k R222 ERJ3GEYJ153 15k Ref No Part No Part Name Description Remarks R223 ERJ3GEYJ103 10k R224 ERJ3GEYJ223 22k R225 ERJ3GEYJ223 22k R226 ERJ3GEYJ4R7 4 7 R227 ERJ3GEYJ394 390k R228 ERJ3GEYJ223 22k R229 ERJ3GEYJ223 22k R230 ERJ3GEYJ822 8 2k R231 ERJ3GEYJ222 2 2k R232 ERJ3GEYJ102 1k R233 ERJ3GEYJ103 10k R234 ERJ3GEYJ123 12k R2...

Page 257: ...4ZFV 0 1 C118 ECEA1CK101 100 S C119 ECUV1H101JCV 100p RESISTORS R101 ERJ3GEYJ101 100 R102 ERJ3GEYJ101 100 Ref No Part No Part Name Description Remarks R103 ERJ3GEYJ101 100 R104 ERJ3GEYJ101 100 R105 ERJ3GEYJ101 100 R106 ERJ3GEYJ101 100 R107 ERJ3GEYJ471 470 R108 ERJ3GEYJ222 2 2k R109 ERJ3GEYJ183 18k R111 ERJ3GEYJ222 2 2k R112 ERJ3GEYJ4R7 4 7 R113 ERJ3GEYJ181 180 R114 ERJ3GEYJ181 180 R115 ERJ3GEYJ181...

Page 258: ...216 ERDS2TJ333 33k R217 PFRGR25F1005 10M S R218 ERDS1TJ225 2 2M R219 ERDS2TJ473 47k R220 ERDS1TJ225 2 2M Ref No Part No Part Name Description Remarks VR101 ER0S2TKF7871 7 87k FUSE IP101 PFBAICPN38 FUSE S PHOTO ELECTRIC TRANSDUCER PC201 PFVISG206S PHOTO COUPLER S SWITCH SW101 PFSEDE2LEALB MICRO SWITCH S TRANSFORMERS T101 MS15BTP20 TRANSFORMER T201 ETB16GKL1 TRANSFORMER VARIABLE RESISTOR VR201 EVMAA...

Page 259: ...BV 0 0033 C8 ECUV1C104KBV 0 1 S RESISTORS R1 ERJ3GEYJ331 330 R2 ERX2SZGR47 0 47 Ref No Part No Part Name Description Remarks R3 ERJ3GEYJ221 220 R4 ERX2SZGR47 0 47 R5 ERJ3GEYJ183 18k R7 ERJ3GEYJ221 220 R8 ERJ3GEYJ333 33k FUSE RESISTOR F1 PFRB0032315T FUSE RESISTOR PHOTO ELECTRIC TRANSDUCERS PS1 CNA1006N PHOTO SENSOR OTHER HSINK PFMY1001Z HEAT SINK 12 9 SENSOR BOARD PARTS Ref No Part No Part Name De...

Page 260: ... CONNECTORS CN509 PQJP6G30Y CONNECTOR 6P S CN510 PQJP5G30Y CONNECTOR 5P S 12 16 FIXTURES AND TOOLS Ref No Part No Part Name Description Remarks EC1 PQZZ9K4Z EXTENSION CORD 9P EC2 PFZZ10K1Z EXTENSION CORD 10P EC3 PQZZ28F1Z EXTENSION CORD 28P EC4 PFZZ14K3Z EXTENSION CORD 14P EC5 PFZZ11K12Z EXTENSION CORD 11P EC6 PQZZ3K5Z EXTENSION CORD 3P EC7 PQZZ2K12Z EXTENSION CORD 2P EC8 PFZZ5K13Z EXTENSION CORD ...

Page 261: ...IAGRAMS Note 1 DC voltage measurements are taken with an oscilloscope or a tester with a ground 2 The schematic diagrams and circuit board may be modified at any time with the development of new technology 3 261 KX FLB758RU ...

Page 262: ...16 103IOP17 5VD RA625 22 1 2 3 4 5 6 7 8 RA624 22 1 2 3 4 5 6 7 8 RA623 22 1 2 3 4 5 6 7 8 RA622 22 1 2 3 4 5 6 7 8 3 3V 3 3V IC614 74SZ00 1 2 3 GND 4 5 VCC IC615 74SZ02 1 2 3 GND 4 5 VCC RA626 22 1 2 3 4 5 6 7 8 C675 Z0 1u C738 Z0 1u C686 J15p C698 Z0 1u C763 Z0 1u C682 J15p C672 J27p C741 K0 01u C707 Z0 1u C680 NC C719 Z0 1u C688 Z0 1u C771 NC C747 Z0 1u C708 K1000p C720 Z0 1u C742 K1000p C681 J...

Page 263: ...1 K1000p C645 NC C661 Z0 1u C615 NC C758 Z0 1u C628 K1000p C635 J27p C632 K1000p C762 Z1u C600 Z0 1u C601 NC C604 35V100 L619 L618 L669 2A601S L617 L620 R628 5 6K R611 10K R634 4 7K R635 5 6K R608 NC R616 4 7K R648 0 R618 4 7K 1 4W R647 10K R614 3 3K R765 1K R637 56K R612 100 R626 5 6K R630 56K R617 4 7K 1 4W R768 10K R772 2 2K R609 NC R602 220 R631 56K R610 NC R767 NC R646 2 2K R632 3 3K R627 5 6...

Page 264: ...3 142 IOP44 143 IOP45 144 IOP46 145 IOP47 146 VSS 147 5V 148 IOP50 149 IOP51 150 IOP52 151 IOP53 152 IOP54 153 IOP55 154 IOP56 155 IOP57 156 TRS 157 VSS 158 5V 159 TEST0 160 TEST1 PG 5VA 5VA 5VD PG 3 3V TP624 TP628 TP_AUXCLK TP_CKSL TP_IN 5VD NC C733 C764 J100p C769 J18p NC C724 C751 Z0 1u C721 K0 01u C739 Z0 1u C662 Z0 1u C759 Z0 1u C766 J100p C715 Z0 1u C710 Z0 1u C676 Z0 1u C767 J100p C760 Z0 1...

Page 265: ...2 18 B1 19 G 20 VCC RA617 10K 1 2 3 4 5 6 7 8 DA604 1 3 2 PG CN617 1 THRM1 2 GND 3 3V 5VD PG C656 Z0 33u C620 K1000p C612 K1000p C655 K0 1u C640 K1000p C621 K1000p C651 NC C625 Z0 1u C627 Z0 1u C608 K1000p C652 Z0 1u C609 K1000p C616 K1000p C658 K0 1u C624 Z0 1u C623 K1000p C665 J22p C659 K0 1u C605 K1000p C606 K1000p C613 K1000p C666 Z0 1u C643 Z0 33u C622 K1000p C657 K0 1u C667 J22p C639 Z0 33u ...

Page 266: ...J10p NC C310 Z0 1 C275 C265 NC NC C374 K0 1 C209 Z0 1 C367 NC K0 0047 C292 C291 K0 01 C239 K0 1 NC C301 C217 K0 022 K0 1 C257 C227 NC C286 J10p K0 0027 C296 C259 NC C201 120P Z1u C241 C279 35V330 16V10 C266 C229 6 3V220 C237 6 3V220 C372 16V100 C278 50V2 2 6 3V100 C250 50V4 7 C312 C274 35V100 C290 16V10 C216 50V10 C293 16V47 L214 J L207 L266 L269 L265 L211 J L210 J L264 L256 L253 L267 L272 L254 L2...

Page 267: ...6 3V330 16V10 C359 6 3V330 C211 C307 50V1 0 C373 6 3V220 C369 NC L243 L242 L247 NC L203 L251 L249 L259 L244 L241 L231 J L237 L215 J L233 L232 L250 L261 L236 L240 J L220 J L270 L229 L205 L218 J L219 J L228 10K L255 L238 L217 J L230 L245 NC L234 L248 NC L262 J L202 L216 J L206 L274 J L239 L227 J L246 L235 J213 J215 NC J202 J226 NC J225 J J219 NC J221 J J228 J J204 NC J220 J J224 J J218 NC J J217 J30...

Page 268: ...L SW126 REDIAL SW113 HELP SW130 HANDSET MUTE SW114 7 SW103 MENU SW131 STOP SW136 F3 SW123 8 SW107 NEXT SW128 SCAN TO PC SW134 F2 SW121 5 SW106 CALLER ID SW125 FAX START SW137 1 SW101 LOWER SW118 F4 SW120 6 SW110 PREV SW127 SW104 2 SW105 9 SW111 SW112 AUTO ANSWER SW117 F1 SW119 F6 SW124 SW109 3 C119 J100p J151 NC PG R113 R114 R115 R117 R118 R119 R120 180Ω R116 TO DIGITAL 180Ω 180Ω 180Ω 180Ω 180Ω 18...

Page 269: ...LD11 4 KSL4 37 LED3 19 XLD13 5 XLD8 18 GND 6 XLDX9 39 GND 36 LED2 5VD 5VD 5VD CN102 1 GND 2 5V 3 V0 4 RS 5 R W 6 E 7 D0 8 D1 9 D2 10 D3 C110 Z0 1u C111 Z0 1u NC C116 NC C108 C117 Z0 1u C113 Z0 1u NC C115 C109 NC NC C107 NC C114 C112 6 3V100 R109 18K R108 2 2K R107 R111 2 2K R112 R110 NC LED101 C120 NC C121 NC C122 NC C123 NC C124 NC COB MODULE TO COB AUTO ANSWER 4 7Ω 470Ω 1 3 5 7 9 11 13 15 17 19 ...

Page 270: ... LED DRUM REGIST TRA CLK CHG REM TOP CVR 24V GND R201 1 5k PC201 R105 IC101 10k R104 10k 165k R106 10k R127 IP101 SW101 C101 35V47 R123 10k C104 50V2 2 R117 2 7k C103 50V1 R116 2 7k R126 10k R107 665k R125 10k Q103 D111 D112 C111 1000p Q102 C110 0 01 R121 10k R124 10k R122 10k R119 7 78k R103 7 78k C212 220p 0 5V 2V 0 5V 1 2 3 4 5 6 7 8 9 10 11 KX FLB758RU HIGH VOLTAGE POWER SUPPLY BOARD PCB4 1 2 ...

Page 271: ...D104 C108 470p D103 C109 0 001 R114 10M R214 1M 10M 1M R215 R217 C210 100p 100p SUP D205 R211 1 5M C203 4700p Q204 ZD202 R210 24 9k CW 0 01 C206 VR201 R219 4 7k R216 33k R209 1M C207 470p ZD203 C208 0 01 C211 DEV DEV 2 2 R110 100k R108 8 45k 20V 500V 1kV 1kV 20V 1 2 3 4 5 6 7 8 9 10 11 KX FLB758RU HIGH VOLTAGE POWER SUPPLY BOARD PCB4 2 2 271 KX FLB758RU ...

Page 272: ...0K 2 C108 D105 L104 47 35 C109 820p C123 C122 R126 F101 T3 15AH T5AH 250V F102 250V CN101 C111 R112 120 1 2 SCR101 C112 R113 100 0 1 0 1 6 8K 0 22 1000PIK T101TRANS 5 7 2 3 4 3 2 1 5 6 7 8 13 14 15 16 17 12 R125 10K D107 C124 C102 0 1 1K R127 PC101 PC102 C110 2200p R207 220 R114 22 1 2 IC101 4700p D108 R108 L107 15 GND 0 22 L102 C104 R101 L101 ZNR101 750V C101 0 22 L103 CN102 1M 1 2 2200p 2200p C1...

Page 273: ...R221 C203 470 35 R222 2 2K PC101 R224 VR201 27K 3 3K R225 C204 47 35 R208 C210 0 1 5K R203 R229 C209 C222 0 1 L206 L204 CN201 24V 1 24V 2 5V 7 5V 8 HTRON 9 PDET 10 P GND 3 P GND 4 D GND 5 D GND 6 D203 IC202 L205 C205 R223 100 0 1 50 IC201 D202 C223 C224 D201 27V 80V 1 7 5V 23V 1 1 2 3 4 5 6 273 KX FLB758RU ...

Page 274: ...27 C R CN2 1 OUT1 A 2 OUT2 A 3 OUT3 B 4 OUT4 B PG PG PG 24V PG CN1 1 24V 2 24V 3 PG 4 PG 5 XA 6 A 7 B 8 XB 9 PWD1 10 PWD2 11 5V 12 GND 13 SENLED 14 PAPER PS1 CNA1006N 0 1 2 3 4 PG 5V PG C8 Z0 1 C1 Z0 1 C3 Z0 1 C6 Z0 1 C5 Z0 1 C7 K3300 C4 6 3V100 C2 50V330 J1 NC R4 0 47 2W R6 NC R1 330W R2 0 47 2W R5 18K R3 220W F1 3 15A Q1 5V 5V 5V 5V 5V R7 220W R8 33K KX FLB758RU MOTOR DRIVE BOARD PCB6 274 KX FLB...

Page 275: ... KX FLB758RU PF SENSOR BOARD PCB10 15 10 CIS RELAY BOARD PCB11 CN505 1 SIG 2 GND 3 CISON 4 CISSEL 5 DPISEL 6 FTG 7 GND 8 F1 9 GLED 10 VLED CN507 10 SIG 9 GND 8 CISON 7 CISSEL 6 DPISEL 5 FTG 4 GND 3 F1 2 GLED 1 VLED PS502 0N1024KU 1 2 4 3 CN506 1 LED 2 SIG 3 GND CN504 1 LED 2 CISPOS0 3 CISPOS1 4 GND C501 150p C502 150p R501 0 R502 0 TO CIS TO DIGITAL TO DIGITAL TO PFUP1259ZB D ADF HOME KX FLB758RU ...

Page 276: ... L639 D603 Q613 R733 L643 R637 Q626 Q627 R638 R634 R633 F603 Q604 R618 R610 R611 Q608 CN606 CN603 RA617 R624 R623 Q609 Q622 Q623 Q624 Q625 R668 R625 1 2 CN609 D604 F604 CN612 CN613 CN605 C604 Q610 CN611 CN608 R602 C651 R650 D608 R723 C752 C740 8 1 4 5 1 1 1 14 11 1 10 1 9 1 3 C737 C736 Q600 R601 Q605 R605 R604 D607 F601 R655 Q612 Q628 R654 L686 L684 L682 L680 L685 L683 L681 1 3 1 CN604 CN601 Q615 ...

Page 277: ...639 C627 R790 L622 L623 L624 L625 L626 L627 L628 C722 R621 R620 C640 L670 C751 R718 R717 R716 R715 R714 R713 R712 R711 R719 C773 R636 R635 C614 R768 R767 C615 R608 R612 C633 R687 R731 R694 R798 3 3V C661 R693 C708 R762 R689 R720 R732 C754 R736 R735 R734 R779 R676 C686 C685 C684 C673 C690 C689 R783 C671 R782 R781 R787 R780 R675 C688 R681 C687 C666 C665 C667 R663 C762 R649 R648 R657 R671 C650 C649 R...

Page 278: ...60 J358 J343 J356 J354 J355 C266 D201 D202 D203 J342 SA202 PO201 J365 J345 PFUP1257YA A D211 D212 R323 J217 CN205 CN203 F201 Q211 T201 T203 J215 E C322 L229 RY202 C343 R317 R314 PC205 R331 T202 PC204 J349 C250 D213 D214 C355 FL221 J352 J363 J362 J368 C279 J374 J351 J348 J376 J375 J315 C321 PS201 J301 J377 J316 C369 C318 J314 J223 J307 J306 J303 J304 J302 J214 CN204 SW201 J213 J224 J308 J383 R319 C...

Page 279: ... C277 C271 R257 4 4 5 5 1 1 8 4 5 1 8 8 C272 C269 C299 C352 C353 R345 L245 L247 L248 L241 L246 C351 R324 C331 R325 R332 FL218 R329 C376 C377 5VD AG L232 L233 C378 L231 R316 C339 L262 1 4 5 8 1 4 5 8 IC209 C341 L270 C347 C345 R318 J227 C338 J222 L242 C363 L244 C349 L234 J225 R351 R328 L259 J228 R353 C371 C346 C368 FL222 R346 J226 L260 R363 R297 C317 R299 J229 J385 L261 R347 C367 R349 R348 C370 R350...

Page 280: ... RESOLUTION SW133 COLLATE SW132 COPY AUTO CH PCB CH PFUP1258ZA FAX START SW135 LED101 AUTO ANSWER SW117 SW137 STOP SW136 HELP SW130 MENU SW131 SW124 J119 J120 J116 J110 J108 F4 F1 A B C D E F G a b c d A B C 1 2 3 4 5 6 7 8 9 A B C KX FLB758RU OPERATION BOARD PCB3 COMPONENT VIEW PbF 16 3 2 OPERATION BOARD BOTTOM VIEW J151 J119 R101 R104 R102 R106 C101 R113 C109 C102 R112 C117 C124 R111 R109 R108 R...

Page 281: ...03 C204 C206 Q204 ZD202 C202 R219 R209 C211 C209 CHG C210 R118 JC6 SUP JC7 JC8 JC9 DEV TRA JC3 R216 R215 R214 R217 R218 R220 JC4 OPC JC1 JC2 IP101 C101 JC12 PC201 CN2 1 E Q202 R127 R128 R109 C104 JA5 JA4 JA3 JC10 C109 D103 R114 T201 D110 D201 E R117 R129 R201 R126 C103 R113 C107 E N38 KX FLB758RU HIGH VOLTAGE POWER SUPPLY BOARD PCB4 COMPONENT VIEW KX FLB758RU 281 ...

Page 282: ...IGH VOLTAGE POWER SUPPLY BOARD PCB4 BOTTOM VIEW JQ1 R102 R123 R125 R105 R106 R202 R107 C203 C106 SUP DEV OPC CHG C212 R120 C102 R104 Q103 R121 IC101 R108 R110 C111 R206 R119 R103 R116 R124 C112 D112 C110 R122 Q102 D111 KX FLB758RU 282 ...

Page 283: ... G S D TH101 C106 C109 R105 R104 C108 J103 C105 J107 IC101 J108 1 J105 J106 R109 R108 R103 D108 D107 C110 L107 C103 D104 D103 D102 D101 L102 C102 SRF1346EK J101 R101 T5AH 250V T3 15AH 250V C101 C104 L101 R110 R102 R111 230V C111 L103 CN101 F101 F102 ZNR101 1 3 R112 R114 C112 CN102 1 3 SCR101 1 PC102 PC101 R113 CAUTION FOR CONTINUED PROTECTION SAME TYPE AND RATINGS OF FUSE AGAINST RISK OF FIRE REPL...

Page 284: ...01 C205 C204 C203 VR201 J207 J201 J213 J204 J212 J211 J208 J209 R208 D203 L204 L205 C209 C201 R229 R202 D105 C119 R106 J110 L108 D106 D109 L104 C202 J214 L206 L105 Q101 G S D TH101 C106 C109 R105 R104 C108 J103 C105 J107 J108 J105 J106 R109 R108 R103 D108 D107 C110 L107 C103 D104 D103 D102 D101 L102 C102 SRF1346EK J101 R101 T5AH 250V T3 15AH 250V C101 C104 L101 R110 R102 R111 C111 L103 F101 F102 Z...

Page 285: ...PFUP1257ZA B R2 R4 IC1 CN2 J4 J10 J8 PS1 4 1 1 2 J7 J5 J9 J3 14 CN1 J2 J1 1 J6 C2 C4 01 06 25 27 26 R7 R1 R3 R6 C8 C5 C6 C3 F1 R5 C7 R8 Q1 C1 BOTTOM VIEW COMPONENT VIEW KX FLB758RU MOTOR DRIVE BOARD PCB6 PFUP1257ZB B PFUP1257YA B PFUP1257ZA B KX FLB758RU 285 ...

Page 286: ...257ZA C 01 06 25 PS50 CN50 3 1 C50 A B C D E F G PCB CH AUTO CH CN51 1 5 P FUP1257ZB C PFUP1257ZA C PFUP1257ZB C PFUP1257YA C 01 06 25 PS50 CN50 3 1 C50 C51 PFUP1257ZA C PFUP1257ZB C PFUP1257YA C COMPONENT VIEW BOTTOM VIEW KX FLB758RU SENSOR BOARD PCB7 KX FLB758RU 286 ...

Page 287: ...16 8 VARISTOR BOARD PCB8 PCB CH J61 J60 ZNR60 01 06 25 PFUP1257ZA D COMPONENT VIEW BOTTOM VIEW KX FLB758RU VARISTOR BOARD PCB8 PFUP1257ZA D PFUP1257ZB D PFUP1257YA D KX FLB758RU 287 ...

Page 288: ...0 J506 J504 J503 J502 J501 SW500 J505 PS500 1 1 1 11 5 3 A B C D E F G SW501 KX FLB758RU ADF RELAY BOARD PCB9 PbF 16 10 PF SENSOR BOARD PCB10 PFUP1259ZB B PCB CH CN503 PS501 1 3 A B C D E F G PFUP1259ZB B PCB CH CN503 PS501 1 3 A B C D E F G KX FLB758RU PF SENSOR BOARD PCB10 PbF KX FLB758RU 288 ...

Page 289: ...16 11 CIS RELAY BOARD PCB11 PFUP1259ZB C CN505 CN504 J507 J508 CN506 PS502 CN507 1 3 1 10 10 1 1 4 PCB CH A B C D E F G KX FLB758RU CIS RELAY BOARD PCB11 COMPONENT VIEW PbF KX FLB758RU 289 ...

Page 290: ...R502 R501 C502 C501 KX FLB758RU CIS RELAY BOARD PCB11 BOTTOM VIEW 16 12 CIS SENSOR BOARD PCB12 PFUP1259ZB D PS503 CN508 PCB CH 3 1 KX FLB758RU CIS SENSOR BOARD PCB12 KX FLB758RU 290 ...

Page 291: ...16 13 SCAN MOTOR DRIVER BOARD PCB13 PFUP1259ZB E CN509 PCB CH 1 6 9 16 1 1 5 CN510 D500 NC 8 IC500 A B C D E F G KX FLB758RU SCAN MOTOR DRIVER BOARD PCB13 KX FLB758RU 291 ...

Page 292: ...292 KX FLB758RU HI Q KXFLB758RU ...

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