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7.4.2. BLOCK DIAGRAM

7.4.3. THERMAL HEAD

1. Function
This unit utilizes the state of the art thermal printer technology.
The ink film is chemically processed. The ink film is comprised of two parts: an ink layer and a
base film. When the thermalhead contacts this ink film, it emits heat momentarily, and the ink
layer is melted and transferred to the paper. If thiscontinues, letters and/or diagrams appear, and

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Содержание KX-FP342CX

Страница 1: ... solder was used in the manufacture of this product the printed circuit boards will be marked PbF Standard leaded Pb solder can be used as usual on boards without the PbF mark When this mark does appear please read and follow the special instructions described in this manual on the use of PbF and how it might be permissible to use Pb solder during service and 1 ...

Страница 2: ...ions standard Pb solder can also be used Caution PbF solder has a melting point that is 50 70 F 30 40 C higher than Pb solder Please use a soldering iron with temperature control and adjust it to 700 20 F 370 10 C In case of using high temperature soldering iron please be careful not to heat too long PbF solder will tend to splash if it is heated much higher than its melting point approximately 11...

Страница 3: ...anufac turer s specific instructions for the melting points of their products and any precautions for using their product with other materials The following lead free PbF solder wire sizes are recommended for service of this product 0 3mm 0 6mm and 1 0mm 1 1 2 HOW TO RECOGNIZE THAT Pb FREE SOLDER IS USED P C Boards marked as PbF use Pb Free solder See the figure below Pb Free is not used the Power...

Страница 4: ...d on different areas of the same P C Board depending on manufacture date 1 2 SAFETY PRECAUTIONS 1 Before servicing unplug the AC power cord to prevent an electric shock 2 When replacing parts use only the manufacturer s recommended 4 ...

Страница 5: ...ustomer from being exposed to shock hazards 1 3 INSULATION RESISTANCE TEST 1 Unplug the power cord and short the two prongs of the plug with a jumper wire 2 Turn on the power switch 3 Measure the resistance value with an ohmmeter between the jumpered AC plug and each exposed metal cabinet part screw heads control shafts bottom frame etc Note Some exposed parts may be isolated from the chassis by d...

Страница 6: ...y the manufacturer Dispose of used batteries according to the manufacturer s Instructions The lithium battery is a critical component type No CR2032 Please observe for the proper polarity and the exact location when replacing it and the exact location when replacing it and soldering the replacement lithium battery in Recommend Type Number CR2032 BAT501 Manufactured by MATSUSHITA SONY TOSHIBA HITAC...

Страница 7: ...s of the unit supplied with AC power by the AC power cord are live Never disassemble the unit for service with the AC power supply plugged in CAUTION AC voltage is supplied to the primary side of the power supply unit Therefore always unplug the AC power cord before disassembling for service 1 8 SERVICE PRECAUTIONS 1 8 1 PRECAUTIONS TO PREVENT DAMAGE FROM STATIC ELECTRICITY Electrical charges accu...

Страница 8: ...p function Display QUICK SET UP FEATURE LIST DIRECTORY FAX RECEIVING COPIER REPORTS CALLER ID LCD Liquid Crystal Display readout TAM Telephone answering machine interface Plain Paper Facsimile Machine 12 second transmission speed A4 Letter G3 compatible 8 ...

Страница 9: ... System On hook dialing Monitor speaker Voice muting Redialing function 100 Station telephone directory with Navigator one touch key Caller ID compatible Feature requires a subscription to caller identification services offered by certain local telephone companies for a tee You and your caller s must be in areas that provide caller identification services and compatibleequipment must be used by bo...

Страница 10: ... film again 2 3 SPECIFICATIONS Applicable Lines Public Switched Telephone Network Document Size Max 216 mm in width Max 600 mm in length Effective Scanning Width 208 mm Recording Paper Size A4 210 297 mm Letter 216 279 mm Effective Printing Width 208 mm Transmission Time 1 Approx 12 s page Original mode 2 Scanning Density Horizontal 8 pels mm Vertical 3 85 lines mm STANDARD mode 7 7 lines mm FINE ...

Страница 11: ...m Approx 135 W When copying a 100 black document Power Supply 220 240 V AC 50 60 Hz Memory Capacity Approx 25 pages memory transmission Approx 28 pages memory reception Based on ITU T No 1 Test Chart in standard resolution 1 Transmission speed depends upon the contents of the pages resolution telephone line conditions and capability of the other party s machine 2 Transmission speed is based upon t...

Страница 12: ...LS 3 1 1 FRONT VIEW 1 Handset 2 Document guides 3 Paper tray 4 Recording paper support 5 Recording paper entrance 6 Recording paper exit 7 Tension plate 8 Front cover 9 Document exit 10 Document entrance 11 Back cover open button 12 Back cover 3 1 2 REAR VIEW 12 ...

Страница 13: ...ck 3 External telephone jack 4 Speaker 3 1 3 CONTROL PANEL 1 TONE To change from pulse to tone temporarily during dialing when your line has rotary pulse services 2 One touch keys To use one touch dial To transmit to multiple entries 13 ...

Страница 14: ...ch dial 8 HELP To print a quick reference 9 SEARCH To use caller ID service 10 FLASH To access special telephone services such as call waiting or for transferring extension calls 11 REDIAL PAUSE To redial the last number dialed If the line is busy when you make a phone call using the MONITOR button the unit will automatically redial the number up to 5 times To insert a pause during dialing 12 MUTE...

Страница 15: ...ored name To select the features or feature settings during programming To navigate to the next operation 15 MENU To initiate or exit programming 16 COPY To initiate copying 17 STOP To stop an operation or cancel programming 18 FAX START SET To initiate fax transmission or reception To store a setting during programming 3 2 CONNECTIONS 1 Connect the handset cord 2 Connect the telephone line cord 3...

Страница 16: ...le Be sure to use the telephone line cord included in this unit Do not extend the telephone line cord Note To avoid malfunction do not position fax machine near appliance such as TVs or speakers which generate an intense magnetic field If any other device is connected on the same line this unit may 16 ...

Страница 17: ...ing ranges of temperature and humidity Ambient temperature 5 C to 35 C Relative humidity 20 to 80 without condensation Power cord length should be less than 5 meters 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 th...

Страница 18: ...n the back of the unit Note Do not place the unit in areas where the paper tray may be obstructed i e by a wall etc To use A4 size paper You need to install the A4 paper guide right side of he paper tray 1 Insert the bottom tab on the A4 paper into the lower slot 2 Press the guide into the upper slot 3 3 3 INSTALLING THE RECORDING PAPER SUPPORT 18 ...

Страница 19: ...slot to the right of the recording paper exit then into the left slot The recording paper will be ejectedfrom the top of the unit after printing The recording paper support prevents the printed paper from curling 3 3 4 INSTALLING THE INK FILM 19 ...

Страница 20: ...1 Open the front cover by pulling up the center part 2 Release the back cover by pushing the green button on the right side of the unit OR Release the back cover by pushingthe green lever in the unit 20 ...

Страница 21: ... cover 4 Insert the gear with the blue core of the front ink film roll into the left slot of the unit Insert the rear ink film roll The ink film is safe to touch and will not rub off on your rands like carbon paper 21 ...

Страница 22: ...5 Turn the gear with the blue core in the direction of the arrow Make sure that the ink film is wrapped around the blue core at least once 22 ...

Страница 23: ...ont cover securely 3 3 5 INSTALLING THE RECORDING PAPER Letter or A4 size recording paper can be loaded The unit can hold up to 50 sheets of 75 g m2 paper You may use 60 g m2 to 90 g m2 paper See the note for paper specifications 1 Before inserting a stack of paper fan the paper to prevent paper jams 23 ...

Страница 24: ...ay jam 3 3 6 DOCUMENTS THE UNIT CAN FEED Note Remove chips staples or other similar fasteners Do not send the following types of documents Use the scanner glass for fax transmission Chemically treated paper such as carbon or carbon less duplicating paper Electrostatically charged paper Badly curled creased or torn paper Paper with a coated surface Paper with a faint image 24 ...

Страница 25: ...e 210 mm we recommend using a copy machine to copy the original document onto A4 or letter sized paper than transmit the copied document 3 3 7 SETTING YOUR LOGO The logo can be your company division or name To change capital or lower case letters Pressing the key will change to capital case alternatively 1 Press 2 2 times 2 Press 4 3 times 3 Press 4 Press 5 3 times 1 Press MENU 2 Press or until th...

Страница 26: ...E to insert a space and enter character 4 Enter your logo up to 30 characters using the dial keypad Example BILL 1 Press 2 2 times Cursor will appear on the display 2 Press 4 3 times 3 Press 5 3 times 4 Press to move the cursor to the next space and press 5 3 times 5 Press SET The next feature will be displayed 6 Press MENU Note You can enter your logo by pressing or in step 4 In this case press t...

Страница 27: ...keys you can select characters using or 1 Press or until the desired character is displayed 2 Press to move the cursor to the next space The character displayed in step 1 is inserted 3 Return to step 1 to enter the next character Display order of characters 27 ...

Страница 28: ... and communication 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 comp...

Страница 29: ...ing 4 Thermal Head If the thermal head is dirty clean the printing surface with a cloth moistened with denatured alcohol alcohol without water then dry thoroughly Refer to THERMAL HEAD 5 Sensors Hook switch SW101 Paper top sensor PS501 Film end SW501 Cover open switch SW502 Document top switch SW353 Document set switch SW352 Confirm the operation of the sensors See COMPONENT LOCATIONS and HOW TO R...

Страница 30: ... Head Ref No 95 3 months 7 years 31 500 documents Refer to HOW TO REMOVE THERMAL HEAD 5 Platen Roller Ref No 54 3 months 7 years 31 500 documents Refer to HOW TO REMOVE PLATEN ROLLER AND BACK COVER 6 Pickup Roller Ref No 46 3 months 7 years 31 500 documents Refer to HOW TO REMOVE PICKUP ROLLER 4 2 GEAR SECTION 4 2 1 GEAR OPERATION Once a mode is selected the Drive Motor Gear rotates clockwise CW a...

Страница 31: ...Swing Gear B engages Gear D and conveys its power to the Exit Roller Gear Fig B Paper Pickup Paper Exit mode 4 2 1 3 PRINT MODE The RX MOTOR rotate CW and Swing Gear B engages Gear F and conveyers its power to Platen Roller Gear and Ink Film Driver Gear The Swing Gear B engages Gear E and conveys its power to the Exit Roller Gear Fig C Print mode 31 ...

Страница 32: ... COPY MODE RX side Paper Pickup mode Print mode Paper Exit mode TX side Transmit mode 4 3 JAMS 4 3 1 RECORDING PAPER JAMS When the recording paper has jammed in the unit The display will show the following 32 ...

Страница 33: ... Open the front cover by pulling up the center part 2 Release the back cover by pushing the green button on the right side of the unit OR Release the back cover by pushingthe green lever in the uniit 33 ...

Страница 34: ...3 Open the back cover 4 Remove the jammed recording paper 34 ...

Страница 35: ...5 Turn the gear with the blue core in the direction of the arrow Make sure that the ink film is wrapped around the blue core at least once 35 ...

Страница 36: ... area at both ends Then close the front cover securely 7 Remove the recording paper and straighten Pull the tension plate forward and hold open while inserting the paper When the recording paper was not fed into the unit properly The display will show the following 36 ...

Страница 37: ...Remove the recording paper and straighten Pull the tension plate forward and hold open while inserting paper Press START to clear the message 4 3 2 DOCUMENT JAMS SENDING 37 ...

Страница 38: ...1 Open the front cover by pulling up the center part Removethe jammed document carefully 38 ...

Страница 39: ... the jammed paper forcibly before opening the front cover 4 4 CLEANING 4 4 1 DOCUMENT FEEDER If misfeeding occurs frequently or if smudges or black lines appear on a transmitted document or on the original of a copied document clean the document feeder 39 ...

Страница 40: ...1 Disconnect the power cord and the telephone line cord 2 Open the front cover by pulling up the center part 40 ...

Страница 41: ...feeder rollers and rubber flap with a clothmoistened with isopropyl rubbing alcohol and let all parts dry thoroughly Clean the grass with a soft dry cloth Caution Do not use paper products such as paper towels or tissues 41 ...

Страница 42: ...one line cord 4 4 2 THERMAL HEAD If smudges or black white lines appear on a copied or received document check whether there is dust on the thermal head and roller shaft and clean the thermal head to remove the dust 1 Disconnect the power cord and the telephone line cord 42 ...

Страница 43: ...2 Open the front cover by pulling up the centre part 3 Release the back cover by pushing the green button on the right side of the unit OR Release the back cover by pushingthe green lever in the unit 43 ...

Страница 44: ...y Caution To prevent a malfunction due to static electricity do not use a dry cloth and do not touch the thermal head directly 6 Reinstall the ink film and close the co vers See step 4 to 6 Refer to INSTALLING THE INK FILM 7 Clnnect the power cord and the telephone line code 5 DISASSEMBLY INSTRUCTIONS Before disassembling remove the Ink film 44 ...

Страница 45: ...5 1 DISASSEMBLY FLOW CHART 5 1 1 UPPER CABINET SECTION 45 ...

Страница 46: ...E OPERATION PANEL BLOCK A 3 HOW TO REMOVE THE OPERATION BOARD AND LCD A 4 HOW TO REMOVE THE IMAGE SENSOR CIS A 5 HOW TO REMOVE THE THERMAL HEAD A 6 HOW TO REMOVE THE PLATEN ROLLER AND BACK COVER A 7 HOW TO REMOVE THE PICKUP ROLLER A 8 HOW TO REMOVE THE CASSETTE LEVER 5 1 2 LOWER CABINET SECTION 46 ...

Страница 47: ...EMOVE THE BOTTOM FRAME B 2 HOW TO REMOVE THE DIGITAL ANALOG POWER SUPPLY SENSOR BOARDS AND AC INLET B 3 HOW TO REMOVE THE MOTOR BLOCK AND SEPARATION ROLLER B 4 HOW TO REMOVE THE GEARS OF MOTOR BLOCK 5 2 DISASSEMBLY PROCEDURE 5 2 1 HOW TO REMOVE THE PAPER TRAY AND RECORDING PAPER SUPPORT 47 ...

Страница 48: ...5 2 2 HOW TO REMOVE THE OPERATION PANEL BLOCK 48 ...

Страница 49: ...5 2 3 HOW TO REMOVE THE OPERATION BOARD AND LCD 49 ...

Страница 50: ...5 2 4 HOW TO REMOVE THE IMAGE SENSOR CIS 50 ...

Страница 51: ...5 2 5 HOW TO REMOVE THE THERMAL HEAD 51 ...

Страница 52: ...5 2 6 HOW TO REMOVE THE PLATEN ROLLER AND BACK COVER 52 ...

Страница 53: ...5 2 7 HOW TO REMOVE THE PICKUP ROLLER 53 ...

Страница 54: ...5 2 8 HOW TO REMOVE THE CASSETTE LEVER 54 ...

Страница 55: ...5 2 9 HOW TO REMOVE THE BOTTOM FRAME 55 ...

Страница 56: ...5 2 10 HOW TO REMOVE THE DIGITAL ANALOG POWER SUPPLY SENSOR BOARDS AND AC INLET 56 ...

Страница 57: ...5 2 11 HOW TO REMOVE THE MOTOR BLOCK AND SEPARATION ROLLER 57 ...

Страница 58: ...5 2 12 HOW TO REMOVE THE GEARS OF MOTOR BLOCK 58 ...

Страница 59: ...5 3 INSTALLATION POSITION OF THE LEAD WIRES 59 ...

Страница 60: ...IDE 6 1 USER RECOVERABLE ERRORS If the unit detects a problem one or more of the following messages will appear on the display The explanations given in the are for servicemen only There is something wrong with the unit 60 ...

Страница 61: ...mory telephone numbers parameters etc has been erased Re program The backup lithium battery on the top of the digital board may be low or dead so check it The recording paper is not installed or the unit has run out of paper Install paper and press SET to clear the message The recording paper is not fed into the unit properly Reinstall paper and press SET to clear the message Refer to INSTALLING T...

Страница 62: ...rming memory transmission the document being stored exceeds the memory capacity of the unit Transmit the entire document manually The film is empty Replace the film with a new one Refer to INSTALLING THE INK FILM The ink film is slack Tighten it and install again Refer to RECORDING PAPER JAMS The remaining film is low Prepare a new film Refer to INSTALLING THE INK FILM When making a copy the docum...

Страница 63: ...k film is slack Tighten it A recording paper jam occurred Clear the jammed paper If the printout jams please refer to RECORDING PAPER JAMS The unit is checking that there is no slack on the ink film Wait for a moment while the check completes The other party s fax machine does not provide the polling function Check with the other party The other party s fax machine is busy or has run out of record...

Страница 64: ... is further broken down into the normal and special programs The normal programs are those listed in the Operating Instructions andare 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 andthe Test Functi...

Страница 65: ... 1 2 1 See Symptom Countermeasure for long distance and international calls in THE UNIT CAN COPY CANNOT EITHER TRANSMIT RECEIVE LONG DISTANCE OR INTERNATIONLCOMMUNICATIONS 521 International mode select 1 ON 2 OFF 1 2 1 See Symptom Countermeasure for long distance and international calls in THE UNIT CAN COPY CANNOT EITHER TRANSMIT RECEIVE LONG DISTANCE OR INTERNATIONLCOMMUNICATIONS 522 Auto standby...

Страница 66: ...t jam detection select 1 ON 2 OFF 1 2 1 See DOCUMENT JAMS SENDING 561 KEY test See TEST FUNCTIONS 570 BREAK select 1 61 2 67 1 2 1 Sets the break of pulse dialing according PBX 571 ITS auto redial time set X number of times 00 99 05 Selects the number of times is redialed not including the dial 572 ITS auto redial line disconnection time set X second 001 999 065 Sets the interval of ITS redialing ...

Страница 67: ... IS TRANSMIT PROBLEM and UNITCAN COPY BUT CANNOT EITHER TRANSMIT RECEIVE DISTANCE OR INTERNATIONL COMMUNICATIONS 595 Receive error limit value set X Number of times 001 999 100 Sets the number of acceptable lines when the FAX reconstructs received data Refer to RECEIVE PROBLEM 596 Transmit level set X dBm 15 00 10 Selects the FAX transmission Refer to SOMETIME THERE IS TRANSMIT PROBLEM and RECEIVE...

Страница 68: ...a higher value when the response from the other party more time during FAX transmission 774 T4 timer X 100 msec 00 99 00 Use this function when delay in the line and communication Mobile comm does not work 815 Sensor Vox check See TEST FUNCTIONS 852 Print test pattern See TEST FUNCTIONS 853 Top margin 1 9 5 874 DTMFontime 060 200ms 060 200 090 875 DTMFofftime 060 200ms 060 200 085 880 History list...

Страница 69: ...ems START LCD CHECK Service Mode 5 5 8 Checks the LCD indication Illuminates all the dots to check if they are normal START DTMF SINGLE TEST Service Mode 5 5 2 Outputs the DTMF as single tones Used to check the frequencies of the individual DTMF tones Refer to SINGLE TONE TRANSMIT SELECTION 1 ON 2 OFF KEY CHECK Service Mode 5 6 1 Checks the button operation Indicates the button code on the LCD whi...

Страница 70: ...Sn Read position sensor At the read position turns on when the front cover opened and the sensor lever is pressed directory Co Cover open sensor Film end sensor Cover open of don t set the film Turns on and off front cover is opened and closed Pt Paper top sensor Sensor on Turns on when the front cover is opened sensor lever is pressed directly Vx Vox signal Detection signal for the tone on the li...

Страница 71: ...ting off Otherwise dialing in DTMF signal will not work 6 3 2 BUTTON CODE TABLE Code Button Name Code Button Name Code Button Name Code Button 04 FAX START SET 31 1 3C 64 STATION 05 LOWER 32 2 3D REDIAL PAUSE 65 STATION 06 COPY 33 3 3E FLASH 66 STATION 08 MONITOR 34 4 47 SEARCH 67 STATION 0A MUTE 35 5 4E JUNK FAX PROHIBITOR 68 STATION 0C RECEIVE MODE 36 6 1E NEXT 20 MENU 37 7 1F PREV 22 HELP 38 8 ...

Страница 72: ...2 Left margin Top margin 3 Thermal head 1 dot 72 ...

Страница 73: ...REMOTE PROGRAMMING If after the call is connected the customer describes the situation and it is determined that the problem can be corrected by making parameter changes this function makes it possible to change parameters such as the user codeand service code from another fax using DTMF tones 73 ...

Страница 74: ...escribed on ENTERING THE REMOTE PROGRAMMING MODE AND CHANGING SERVICE CODES Also before exiting the remote programmingmode 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 programming mode it may be helpful to ask the customer to switch to the speakerphone This frees the customer from the need to rem...

Страница 75: ...CROSS REFERENCE PROGRAM MODE TABLE 6 4 2 PROGRAM MODE TABLE 75 ...

Страница 76: ...RKER NORMAL 041 FAX activation code ON OFF ON ID 9 044 Memory receive alert 1 ON 2 OFF ON 046 Friendly receive 1 ON 2 OFF ON 058 Original setting 1 NORMAL 2 LIGHT 3 DARKER NORMAL 068 ECM selection 1 ON 2 OFF ON 076 Connecting tone 1 ON 2 OFF ON 080 Set default 1 YES 2 NO NO 501 Pause time set 001 600 x 100msec 030msec 502 Flash time 01 99 x 10ms 70ms 503 Dial speed 1 10pps 2 20 pps 10pps 514 Belld...

Страница 77: ...40 599 ECM frame size 1 256 byte 2 64 byte 256 byte 717 Transmit speed select 1 9600 2 7200 3 4800 4 2400 9600bps 718 Receive speed select 1 9600 2 7200 3 4800 4 2400 9600bps 722 Redial tone detect 1 ON 2 OFF ON 745 Power on film feed 1 ON 2 OFF ON 763 CNG detect time for friendly reception 1 10s 2 20s 3 30s 30s 771 T1 timer 1 35s 2 60s 35s 774 T4 timer 00 99 100ms 00ms 815 Sensor VOX test 852 Pri...

Страница 78: ...mission report mode press the dial key number 1 2 or 3 corresponding to the Set Value you want to select 1 ERROR 2 ON 3 OFF 6 5 THE EXAMPLE OF THE PRINTED LIST 6 5 1 USER MODE Note The above values are the default values 6 5 2 SREVICE MODE SETTINGS 78 ...

Страница 79: ...Note The above values are the default values 6 5 3 HISTORY 79 ...

Страница 80: ...ptions of this report Item No 1 44 are corresponding to the listed items in DESCRIPTIONS OF THE HISTORY REPORT 6 5 3 1 DESCRIPTIONS OF THE HISTORY REPORT 1 ROM VERSION FLASH ROM version 2 SUM FLASH ROM internal data calculation 80 ...

Страница 81: ...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 ANS FAX MODE The amount of time the ANS FAX mode setting was used 17 FINAL RECEIVE MODE The last set receiving mode by...

Страница 82: ... FAX mode or while answering a call in the EXT TAM mode Or means the unit detected the CNG while it was sending the OGM in the ANS FAX mode 44 CNG ICM Means the unit detected the CNG while it was recording the ICM in the ANS FAX mode 6 6 TROUBLESHOOTING DETAILS 6 6 1 OUTLINE Troubleshooting is for recovering quality and reliability by determining the broken component and replacing adjusting or cle...

Страница 83: ...CROSS REFERENCE USER RECOVERABLE ERRORS SIMPLE CHECK LIST DIGITAL BOARD SECTION POWER SUPPLY BOARD SECTION 6 6 3 TROUBLESHOOTING ITEMS TABLE 83 ...

Страница 84: ... A blank page is copied A BLANK PAGE IS COPIED A blank page is received A BLANK PAGE IS RECEIVED Black or white vertical line BLACK OR WHITE VERTICAL LINE Black or white lateral line BLACK OR WHITE LATERAL LINE ON OUT An abnormal image is printed AN ABNORMAL IMAGE IS PRINTED Communication FAX TEL analog board Cannot communicate by fax An error code is displayed See COMMUNICATION SECTION Cannot tal...

Страница 85: ...ection OK NG Service code 815 Refer to TEST FUNCTIONS Operation Panel Key check OK NG Service code 561 Refer to TEST FUNCTIONS LCD check OK NG Service code 558 Refer to TEST FUNCTIONS Sensor Sensor check OK NG Service code 815 Refer to TEST FUNCTIONS Clock Display changing OK NG Is the time kept correctly Check with another clock Ext TAM Handset transceiver receiver OK NG Remote control OK NG 6 6 ...

Страница 86: ... FUNCTIONS DIGITAL BOARD SECTION POWER SUPPLY BOARD SECTION SENSOR SECTION STEPPING MOTOR DRIVE CIRCUIT TX HOW TO REMOVE THE MOTOR BLOCK AND SEPARATION ROLLER HOW TO REMOVE THE GEARS OF MOTOR BLOCK 6 6 4 2 DOCUMENT JAM 86 ...

Страница 87: ...CROSS REFERENCE TEST FUNCTIONS SENSOR SECTION DISASSEMBLY INSTRUCTIONS 6 6 4 3 MULTIPLE FEED When using thick paper etc sometimes the document will not be fed 87 ...

Страница 88: ...Fig B 88 ...

Страница 89: ...CUMENT FEEDER DISASSEMBLY INSTRUCTIONS HOW TO REMOVE THE MOTOR BLOCK AND SEPARATION ROLLER Note When confirming if the characters are extended or distorted or if the feed problem is occurred use this test chart format 89 ...

Страница 90: ...Fig B 6 6 4 4 SKEW We recommend making a copy of the Fig B document in MULTIPLE FEED and using it CROSS REFERENCE COMPONENT LOCATIONS DISASSEMBLY INSTRUCTIONS 6 6 4 5 THE RECORDING PAPER DOES NOT FEED 90 ...

Страница 91: ...E FEED and using it CROSS REFERENCE INSTALLING THE RECORDING PAPER TEST FUNCTIONS HOW TO REMOVE THE PICKUP ROLLER HOW TO REMOVE THE GEARS OF MOTOR BLOCK DIGITAL BOARD SECTION POWER SUPPLY BOARD SECTION SENSOR SECTION OPERATION PANEL SECTION 6 6 4 6 PAPER JAM 91 ...

Страница 92: ...E DISASSEMBLY INSTRUCTIONS HOW TO REMOVE THE PICKUP ROLLER TEST FUNCTIONS SENSOR SECTION SENSORS AND SWITCHES 6 6 4 7 MULTIPLE FEED AND SKEW CROSS REFERENCE HOW TO REMOVE THE PICKUP ROLLER OPERATION PANEL SECTION 92 ...

Страница 93: ...d making a copy of the Fig B document in MULTIPLE FEED and using it CROSS REFERENCE SKEW 6 6 4 9 THE RECEIVED FAX DATA IS SKEWED We recommend making a copy of the Fig B document in MULTIPLE FEED and using it CROSS REFERENCE MULTIPLE FEED AND SKEW 93 ...

Страница 94: ... COPIED DATA IS EXPANDED We recommend making a copy of the Fig B document in MULTIPLE FEED and using it CROSS REFERENCE DOCUMENT FEEDER HOW TO REMOVE THE MOTOR BLOCK AND SEPARATION ROLLER 6 6 4 11 A BLANK PAGE IS COPIED 94 ...

Страница 95: ... We recommend making a copy of the Fig B document in MULTIPLE FEED and using it CROSS REFERENCE HOW TO REMOVE THE THERMAL HEAD TEST FUNCTIONS A BLANK PAGE IS RECEIVED THERMAL HEAD 95 ...

Страница 96: ...6 6 4 12 A BLANK PAGE IS RECEIVED 96 ...

Страница 97: ...CROSS REFERENCE TEST FUNCTIONS A BLANK PAGE IS COPIED ANALOG BOARD SECTION 6 6 4 13 BLACK OR WHITE VERTICAL LINE 97 ...

Страница 98: ... We recommend making a copy of the Fig B document in MULTIPLE FEED and using it CROSS REFERENCE THERMAL HEAD HOW TO REMOVE THE THERMAL HEAD 6 6 4 14 BLACK OR WHITE LATERAL LINE ON PRINT OUT 98 ...

Страница 99: ...end making a copy of the Fig B document in MULTIPLE FEED and using it CROSS REFERENCE DISASSEMBLY INSTRUCTIONS TEST FUNCTIONS A BLANK PAGE IS COPIED DIGITAL BOARD SECTION 6 6 4 15 AN ABNORMAL IMAGE IS PRINTED 99 ...

Страница 100: ... FEED and using it CROSS REFERENCE HOW TO REMOVE THE THERMAL HEAD TEST FUNCTIONS ANALOG BOARD SECTION 6 6 5 COMMUNICATION SECTION Find the problem in the table shown below and refer to the corresponding troubleshooting procedure in DEFECTIVE FACSIMILE SECTION 100 ...

Страница 101: ...ter s fax 4 The fax completely fails to transmit or receive The unit can copy documents Troubleshooting Problem with the electric circuit 5 The fax fails either to transmit or receive when making a long distance or an international call The unit can copy documents Detailed description of the possible causes Similar to troubleshooting items No 2 and No 3 Problem with the service line 6 The fax imag...

Страница 102: ...CROSS REFERENCE DOCUMENT FEEDER HOW TO REMOVE THE MOTOR BLOCK AND SEPARATION ROLLER ADF Auto Document Feed SECTION OPERATION PANEL SECTION 6 6 5 1 2 SOMETIME THERE IS A TRANSMIT PROBLEM 102 ...

Страница 103: ... level set represents a service code Refer to SERVICE FUNCTION TABLE 6 6 5 1 3 RECEIVE PROBLEM First confirm whether the recording paper is installed properly or not before starting troubleshooting Refer to Remarks 103 ...

Страница 104: ...roblems such as OUT OF PAPER when the fax switchesto the memory receiving mode and the memory capacity becomes full of the unprintable data In this case error messages MEMORY FULL and its main cause for example CHECK PAPER are displayed on the LCD Once you solve the main problem MEMORY FULL will be cancelled and the reception problem will be resolved LCD display messages indicating the error cause...

Страница 105: ...HER TRANSMIT RECEIVE LONG DISTANCE OR INTERNATIONL COMMUNICATIONS The following two causes can be considered for this symptom Cause 1 The other party is executing automatic dialing the call has been received by this unit and the CED or DIS signal response time is too long In most cases this unit detects the CNG signal and can respond to CED or DIS According to the ITU Tstandard the communication p...

Страница 106: ...m FAX1 reaches FAX2 via stations 1 and 2 but the reflection signal at station 2 also returns via station 1 echo As the distance between station 1 and station 2 is far the echo returns to FAX 1 at a max of 600 msec after transmission There is a possibility that this signal is detected erroneously as the signal from FAX2 For a normal call there is also a possibility that the echo of their own voice ...

Страница 107: ... least 250 msec to recover the echo canceler operation Refer to Fig c Service code Time between and 300 Sending side The sending side FAX sends a DCS signal not after receiving the 1st DIS signal but after receiving the 2nd DIS signal Refer to Fig d Service code Overseas detection 3 Sending side Communication failure occurs in a long distance communication on the telephone line without an echo can...

Страница 108: ...Fig b Countermeasure by Changing the CED Frequency Fig c Countermeasure by Changing the Interval Between CED and DIS Fig d Countermeasure by Ignoring the 1st DIS 108 ...

Страница 109: ...ORRECT Long distance or international communication operation This symptom highly depends on the transmission and reception capability of the other FAX unit and the line conditions The countermeasures for this unit are shown below Transmission Operation Set the transmitting speed to 4800BPS service mode code No 717 or select the overseas mode Reception Operation If 80 or more of the reception is i...

Страница 110: ...cation problems The way of recording easily by using PC is shown as follows 1 Equipment 1 jig 1 PC with LINE IN 1 audio cord mini jack supported 2 tel cords Parts No Parts Name Description Qt y PQJJ1T004Z JACK1 JACK2 2 PQJJ1D010ZPIN JACK 1 ECQE2155KF or ECQE2E155KC CAPACITOR 2 MA4020 DIODE 2 2 Setting up FAX SIGNAL RECORDING JIG 3 Connecting PC and JIG 110 ...

Страница 111: ...kHz 8bit mono 3 Click the record button and start recording after acquisition the signal Note Not to be wind wave patterns on the wave monitor Please compress the recording data when you send attaching to E Mail because the data size will be so heavy Any software which can create WAV files is available 6 6 5 1 8 HOW TO OUTPUT THE JOURNAL REPORT 1 Press MENU button 2 Press then 8 and 4 3 Press SET ...

Страница 112: ...ved after DIS transmission 58 COMMUNICATION ERROR RCV DCN is received after FTT transmission 59 ERROR NOT YOUR UNIT SND DCN responds to the post message 64 COMMUNICATION ERROR POL RX Polling is not possible 65 COMMUNICATION ERROR SND DCN is received before DIS reception 65 COMMUNICATION ERROR RCV Reception is not EOP EOM PIP PIN RTP or RTN 68 COMMUNICATION ERROR RCV No response at the other party ...

Страница 113: ...SERVICE FUNCTION TABLE Note If the problem remains see the following Countermeasure flow chart 113 ...

Страница 114: ...CROSS REFERENCE TEST FUNCTIONS 114 ...

Страница 115: ...CROSS REFERENCE TEST FUNCTIONS 115 ...

Страница 116: ...CROSS REFERENCE TEST FUNCTIONS 116 ...

Страница 117: ...CROSS REFERENCE TEST FUNCTIONS 117 ...

Страница 118: ...118 ...

Страница 119: ...119 ...

Страница 120: ...120 ...

Страница 121: ...etailed information about the latest 35 communications can be printed by Service Code 881 or 882 Remote printing function for the journalreports JOURNAL JOURNAL 2 and JOURNAL 3 is also available for service technicians Refer to REMOTE PROGRAMMING The JOURNAL report only gives you basic informationabout a communication but the other two journal reports 121 ...

Страница 122: ...ut 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 standard ENCODE MH MAKER CODE 79 2 Look at NO 04 in the JOURNAL 2 CNG 0003 indicates that the CNG signal has been received three times since the purchase date For further details see JOURNAL 2 and JOURNAL 3 122 ...

Страница 123: ...he FAX mode 2 MAN RCV Means the unit received a fax message by manual operation 3 FRN RCV Means the unit received a fax message by friendly signal detection 4 VOX Means the unit detected silence or no voice 5 RMT DTMF Means the unit detected DTMF Remote Fax activation code entered remotely 6 PAL DTMF Means the unit detected DTMF Remote Fax activation code entered by a parallel connected telephone ...

Страница 124: ... 3 Refer to JOURNAL 3 in PRINTOUT EXAMPLE Description 6 ENCODE Compression Code MH MR MMR 7 MSLT MSLT means Minimum Scan Line Time Used only at the factory 8 EQM 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 mo...

Страница 125: ...125 ...

Страница 126: ...e power supply unit the problem may lie in the digital unit main board As there are many potential causes in this case ASIC DRAM etc it may be difficult to specify what you should check first If a mistake is made in the order of checks a normal part may be determined faulty wasting both time and money Although the tendency is to regard the problem as a serious one IC malfunction etc usually most c...

Страница 127: ...function by checking the main signal lines Even if you don t have such a measuring instrument by checking each main signal line and resoldering it in many cases the problem will be resolved An explanation of the main signals for booting up the unit is presented below Don t replace ICs or stop repairing until checking the signal lines An IC malfunction rarely occurs By understanding the necessary s...

Страница 128: ...ls to boot up the system Those signal lines should remain normal Other signal lines are not directly related to that failure even if they have faults or troubles As long as these signals remain normal once the power is turned on each IC can repeatedly output 3 3V H and 0V L IC503 and IC520 output 5V H and 0V L The following shows NG and normal wave patterns NG Wave pattern Refer to NG EXAMPLE 128 ...

Страница 129: ... circuit will not work Nor will it if the IC is defective and the output voltage level is notnormal although the timing of these signals is accurate enough to meet the specifications Make sure that your oscilloscope is calibrated before starting a test Therefore it is imperative to confirm whether each IC outputs the signal at the correct level See the I O Pin No Diagram The signal level should be...

Страница 130: ...6 6 7 1 CHECK THE STATUS OF THE DIGITAL BOARD 130 ...

Страница 131: ...MPLE 6 6 7 2 INITIALIZING ERROR After the power is turned on the ASIC initializes and checks each IC The ROM DRAM 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 131 ...

Страница 132: ...CROSS REFERENCE NG EXAMPLE CHECK THE STATUS OF THE DIGITAL BOARD POWER SUPPLY BOARD SECTION 132 ...

Страница 133: ...CROSS REFERENCE CHECK THE STATUS OF THE DIGITAL BOARD Other NG example while the power is ON and the LCD displays the following 6 6 7 3 NG EXAMPLE 133 ...

Страница 134: ... microphone and the signalis 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 exampleif you cannot communicate with the H S trace that signal route locally with the following Check Sheet and locate the faulty point...

Страница 135: ...d 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 isuseful for this investigation 2 No pulse dialin...

Страница 136: ...3 No ring tone or No bell CROSS REFERENCE CHECK SHEET 136 ...

Страница 137: ...NCU SECTION 4 No tone dialing CROSS REFERENCE CHECK SHEET 6 6 8 3 DETECTIVE TAM INTERFACE SECTION 1 The FAX turns on but does not arrive through TAM CROSS REFERENCE 137 ...

Страница 138: ...perimental tests For example power supply and lightning surge voltage 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 ...

Страница 139: ...6 6 9 2 TROUBLESHOOTING FLOW CHART 139 ...

Страница 140: ...140 ...

Страница 141: ...141 ...

Страница 142: ...ween 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 R128 R109 D106 and IC101 You should change all of the parts listed as follows F101 Q101 R128 R109 D106 IC101 D201 If D201 is broken the oscillation circuit in the power supply cannot operate Check it with an electric tester 6 6 10 OPERATI...

Страница 143: ...isplay when you open or close the front cover Also document sensor read position sensor recording paper sensor and jam sensor are turned ON OFF by the copyoperation Therefore each sensor can be checked for proper mechanical operation As for the electric check check whether each voltage is right or not with following flowchart turning each sensor lever ON OFF manually 6 6 11 1 CHECK THE DOCUMENT TO...

Страница 144: ... SW502 COVER OPEN 6 6 11 4 CHECK THE HOOK SWITCH SW101 6 6 11 5 CHECK THE PAPER TOP SENSER PS501 PAPER JAMMED 6 6 11 6 CHECK THE FILM SENSER SW501 CHECK FILM SLACK 6 6 12 CIS Contact Image Sensor SECTION Refer to SCANNING BLOCK 144 ...

Страница 145: ...CROSS REFERENCE TEST FUNCTIONS 6 6 13 THERMAL HEAD SECTION Refer to THERMAL HEAD 145 ...

Страница 146: ...7 CIRCUIT OPERATIONS 7 1 CONNECTION DIAGRAM 146 ...

Страница 147: ...IC on the digital board Refer to GENERAL BLOCK DIAGRAM 1 ASIC IC501 Composed mainly of an address decoder and a modem control Controls the general FAX operations Controls the operation panel I F Controls the thermal head I F and CIS I F Performs the image processing 147 ...

Страница 148: ...or FAX communication 5 Read Section CIS image sensor to read transmitted documents 6 Motor Driver IC508 and IC510 Drives the transmission motor and the reception motor 7 Thermal Head Contains heat emitting elements for dot matrix image printing 8 Analog Board Composed of ITS circuit and NCU circuit 9 Sensor Section Composed of a cover open and film detection switch a document set switch a document...

Страница 149: ...7 3 CONTROL SECTION 7 3 1 BLOCK DIAGRAM 7 3 2 MEMORY MAP 149 ...

Страница 150: ...7 3 3 ASIC IC501 This custom IC is used for the general FAX operations 150 ...

Страница 151: ...5 CIS I F Controls the document reading 6 IMAGE DATA RAM This memory is programmed into the ASIC and uses 8 KB for the image processing See Fig A 7 THERMAL HEAD I F Transmits the recorded data to the thermal head 8 MOTOR I F Controls the transmission motor which feeds the document Controls the receiving motor which feeds the recording paper 9 OPERATION PANEL I F Serial interface with Operation Pan...

Страница 152: ...152 ...

Страница 153: ... NO SIGNAL I O POWER SUPPLIED VOLTAGE DESCRIPTION 1 VSSA GND POWER SOURCE ANALOG GND 2 VDDA 3 3 3 3V POWER SOURCE ANALOG 3 3V 3 AIN1 A 3 3V CCD IMAGE SIGNAL INPUT 4 AIN2 A 3 3V THERMISTOR TEMPERATURE WATCH INPUT 5 AIN3 A 3 3V 6 AMON A 3 3V ANALOG SIGNAL MONITOR TERMINAL 7 VSS GND POWER SOURCE GND 8 X32OUT O 3 3V BATT RTC 32 768KHz CONNECTION 9 X32IN I 3 3V BATT RTC 32 768KHz CONNECTION 10 VDD 3 3V...

Страница 154: ...V POWER SOURCE 3 3V 36 VSS GND POWER SOURCE GND 37 VSS GND POWER SOURCE GND 38 VDD 3 3V POWER SOURCE 3 3V 39 MIDAT IOP O 3 3V OUTPUT PORT TONE1EN 40 MICLK IOP O 3 3V OUTPUT PORT CISON 41 MILAT IOP O 3 3V OUTPUT PORT OPERESET 42 20KOSC IOP I 3 3V INPUT PORT BELL 43 XWAIT I 3 3V INPUT PORT KOVER 44 HSTRD IOP O 3 3V NOT USED 45 HSTWR IOP O 3 3V NOT USED 46 XOPRBE O 3 3V MFCS 47 ADR15 O 3 3V CPU ADDRE...

Страница 155: ...6 DB6 I O 3 3V CPU DATA BUS 6 77 DB7 I O 3 3V CPU DATA BUS 7 78 XROMCS O 3 3V ROM IC523 CHIP SELECT 79 RD O 3 3V CPU RD 80 WR O 3 3V CPU WR 81 ADR0 O 3 3V CPU ADDRESS BUS 0 82 ADR1 O 3 3V CPU ADDRESS BUS 1 83 ADR2 O 3 3V CPU ADDRESS BUS 2 84 ADR3 O 3 3V CPU ADDRESS BUS 3 85 ADR4 O 3 3V CPU ADDRESS BUS 4 86 ADR5 O 3 3V CPU ADDRESS BUS 5 87 VSS GND POWER SOURCE GND 88 VDD 2 5V POWER SOURCE 2 5V 89 A...

Страница 156: ...SFER 118 THLAT O 3 3V PULSE OUTPUT FOR DATA LATCH 119 STBNP I 3 3V INPUT PORT TEST 120 RM0 IOP O 3 3V RX MOTOR A PHASE 121 RM1 IOP O 3 3V RX MOTOR B PHASE 122 RM2 IOP O 3 3V RX MOTOR A PHASE 123 RM3 IOP O 3 3V RX MOTOR B PHASE 124 RXE IOP O 3 3V RX MOTOR ENABLE SIGNAL 125 TMO O 3 3V TX MOTOR A PHASE 126 VDD 2 5V 3 3V POWER SOURCE 2 5V 127 VSS GND POWER SOURCE GND 128 TM1 IOP O 3 3V TX MOTOR B PHAS...

Страница 157: ...PUT 144 VSSA GND POWER SOURCE ANALOG GND 7 3 6 RESET CIRCUIT WATCH DOG TIMER The output signal reset from pin 4 of the voltage detect IC IC507 is input to the ASIC IC501 114 and 106 pins 1 During a momentary power interruption a positive reset pulse of 50 70 msec is generated and the system is reset completely 2 The watch dog timer built in the ASIC IC501 is initialized by the CPU about every 1 5 ...

Страница 158: ...system setup data and others are in the FLASH ROM IC523 2 RTC Inside IC501 Backup Circuit Operation When the power switch is turned ON power is supplied through Q506 to the RTC inside IC501 At this time the voltage at pin 14 of the IC501 is 2 5V When the power switch is turned OFF the BAT501 supplies power to RTC through D503and Q506 The voltage at pin 14 of IC501 is about 2 2V When the power swit...

Страница 159: ...ers point A In point C accordingto the voltage output time the thermal head s temperature is detected After the thermal head temperature is converted to voltage in B it is then changed to digital data in the A D converter inside IC501 The CPU decides the strobe width of the thermal head according to this value Therefore this circuitcan keep the thermal head at an even temperature in order to stabi...

Страница 160: ... D conversion 8 bit After finishing A D conversion the data is inputto the Image Processing Section via route3 Then via route4 and route5 it is stored in RAM as shading data 3 The draft s information that is read by CIS is input to IC501 via route1 After it is adjusted to a suitable level for A D conversion via route2 the draft s information is converted to A D 8 bit and itis input to the Image Pr...

Страница 161: ... is stored in the system bus Via route11 it is stored in the communication buffer inside DRAM IC503 3 While retreiving data stored in the communication buffer synchronous with the modem the CPU inside IC501 inputs the data to the modem along route12 where it is converted to serial analog data and forwarded over the telephone lines viathe NCU Section Reception 1 The serial analog image data is rece...

Страница 162: ...nter technology The ink film is chemically processed The ink film is comprised of two parts an ink layer and a base film When the thermalhead contacts this ink film it emits heat momentarily and the ink layer is melted and transferred to the paper If thiscontinues letters and or diagrams appear and 162 ...

Страница 163: ...of the shift registers are latched to the latch registers Thereafter through the addition of strobes from the IC520 pins 44 and 45 only the dot location of black 1 among latched data activatesthe driver and the current passes to heat the emitting body to cause heat emission Here the two line strobes NEWSTB1 to NEWSTB2 impress as required for one line printout When the thermal head is not used the ...

Страница 164: ...e is shown on TIMING CHART When print duty is more than 50 IC520 pin 45 NEWSTB1 and IC501 pin 103 STB1 are the same signal IC520 pin 44 NEWSTB2 and IC501 pin 104 STB2 are the same signal Print speed of one line 4 608msec x 2 9 216msec TIMING CHART i Print Duty 50 or less 164 ...

Страница 165: ...ty more than 50 7 4 4 SCANNING BLOCK The scanning block of this device consists of a control circuit and a contact image sensor made up of a celfoc lens array an LED array and photoelectric conversion elements 165 ...

Страница 166: ...and converted into8 bit data by the A D converter inside IC501 Then this signal undergoes digital processing in order to obtain a high quality image 7 4 5 STEPPING MOTOR DRIVE CIRCUIT TX 1 Function The stepping motor works for transmission 2 Motor During motor driving pin 131 of ASIC IC501 becomes a high level and Q507 Q504 turns ON As a result 24V is supplied to the motor coil Stepping pulses are...

Страница 167: ...ttern Speed Copy Fine or photo 1 2 432 pps t 1 432 Super Fine 1 2 216 pps t 1 216 Paper Feed 1 2 432 pps t 1 432 Stand by All phases are currently off None The motor suspends while it is in the receive mode about 70 80 msec pin 131 of ASIC IC501 167 ...

Страница 168: ...RX 1 Function The stepping motor works for reception 2 Motor During motor driving pin 124 of ASIC IC501 becomes a high level and Q503 Q502 turns ON As a result 24V is supplied to the motor coil Stepping pulses are output from ASIC IC501 pins 120 123 causing driver IC508 pins 16 13 to drive the Motor Coil The motor coil is energized sequentially in 2 phase increments which causes a 1 step rotation ...

Страница 169: ...4 of ASIC IC501 becomes a low level and Q503 turns OFF Then Q502 also turns OFF and instead of 24 V 5 V is supplied through D501 so that the motoris held in place When the system is in the stand by mode all of the motor drive transistors turn OFF Consequently the motor current stops 7 5 GEAR SECTION Refer to GEAR SECTION for Gear operation 7 6 SENSORS AND SWITCHES All of the sensor and switches ar...

Страница 170: ...02 Cover Open SW COVER OPEN Sensor Locations 7 6 1 DOCUMENT TOP SW SW352 REMOVE DOCUMENT When a document is brought to the read position the SW turns ON and the input signal of IC301 6 pin Operation becomes a low level When there is no document at the read position the SW turns OFF and the input signal of IC301 6 pin Operation becomes a high level Operation Board Photo transistor Signal IC301 6 pi...

Страница 171: ...PEN SW SW502 COVER OPEN When the operation panel cover is closed and a film is set the SW becomes ON and the input signal of IC520 36 pin Digital becomes a low level When the cover is opened the SW becomes OFF and the input signal of IC520 36 pin Digital becomesa high level Sensor Board SW Signal IC520 36 pin Cover open OFF High level Cover closed ON Low level 7 6 4 HOOK SWITCH SW101 When the hand...

Страница 172: ...ansistorturns ON and the input signal of IC501 19 pin becomes a low level Photo transistor Signal IC501 19 pin Recording paper top OFF High level No recording paper ON Low level 7 7 MODEM SECTION 7 7 1 FUNCTION The unit uses a 1 chip modem IC505 that serves as an interface between the control section for FAX transmission and reception and the telephone line During a transmitting operation the digi...

Страница 173: ...on of Each Group Group I G1 Official A 4 size documents without using formats 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...

Страница 174: ...ing that the message is completed and received For continuous transmission phase B or phase C is repeated for transmission Phase E Call retrieval Phase E is the procedure for call retrieval that is for circuit disconnection 4 Concerning Transmission Time Transmission Time Control Time Image Transmission Time Hold Time Transmission time consists of the following Control time This is time at the sta...

Страница 175: ...pel mm Sub Scan 3 85 7 7l mm Line Synchronization Signal EOL Signal 1 Line Transmission Time ms line Depends on the degree of data reduction Minimum Value 10 20 Can be recognized in 40ms 6 Explanation of Communication and Compression Technology a G3 Communication Signals T 30 Binary Process For G3 Facsimile communication this is the procedure for exchanging control signals between the sending and ...

Страница 176: ...peration features 8 Reserved for future T 3 operation features 9 Transmitter T 4 operation 10 Receiver T 4 operation Receiver T 4 operation 11 12 13 14 0 0 0 0 0 1 0 0 1 0 0 0 1 1 0 0 0 0 1 0 0 1 1 0 1 0 1 0 1 1 1 0 0 0 0 1 0 1 0 1 1 0 0 1 1 1 0 1 0 0 1 1 0 1 1 1 1 0 1 1 1 1 1 1 Data signaling rate V 27 ter fall back mode V 27 ter V 29 V 27 ter and V 29 Not used Reserved Not used V 27 ter and V 29...

Страница 177: ...mm and B4 364 mm Invalid Maximum recording length A4 297 mm Unlimited B4 364 mm Invalid 21 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 10ms 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 85l mm T7 7 1 2 T3 85 40 ms at 3 85 l mm T...

Страница 178: ...rved for future recording width capability 40 Extend field Extend field 41 R8 15 4 lines mm R8 15 4 lines mm 42 300 300 pels 25 4 mm 300 300 pels 25 4 mm 43 R16 15 4 lines mm and or 400 400 pels 25 4 mm R16 15 4 lines mm and or 400 400 25 4 mm 44 Inch based resolution preferred Resolution type selection 0 neuritic based resolution 1 inch based resolution 45 Metric based resolution preferred Don t ...

Страница 179: ...raining Image Signal Refer to the next page RTC Return to Control Sends 12 bits 0 01 6 times to the receiver same speed as the image signal and notifies completion of transmission of the first sheet EOP End of Procedure X1110100 End of one communication MCF Message Confirmation X0110001 End of 1 page reception DCN Disconnect X1011111 Phase E starts MPS Multi Page Signal X1110010 Completion of tran...

Страница 180: ...th training signal 1 or 2 at the time of G3 reception it can automatically establish the optimum equalizer The modem IC505 clock is supplied by X503 1 Facsimile Transmission DTMF Line Send The digital image data on the data bus is modulated in the modem IC505 and sent from pin 69 Analog SW IC509 1 2 amplifier IC511 2 1 and the NCU section to the telephone line Refer to CHECK SHEET 2 Facsimile Rece...

Страница 181: ...C IC501 7 8 ANALOG SECTION 1 Function The analog section serves as an interface between the telephone line The digital board IC505 for transmission and reception of FAX signals switches between the digital board IC505 and other sections by means of a multiplexer in the NCU section The control signals to the individual analog sections are output mainly from ASIC IC501 and the status information for...

Страница 182: ...e 7 9 3 BELL DETECTION CIRCUIT 1 Circuit Operation The signal waveform for each point is indicated below The signal low level section input to pin 42 of ASIC IC501 on the digital board is read by ASIC and judged as a bell TEL LINE PC101 1 2 4 IC501 42 7 9 4 TAM INTERFACE CIRCUIT This circuit is to switch between FAX receiving and the external TAM s message recording automatically This circuit cons...

Страница 183: ...1 of IC101 and transmitted to T101 via C125 and R121 If the side tone circuit is not applied the transmission signal will return to the reception amplifier via C112 and R112 When the side tone circuit is active the signal output from IC101 pin 1 passes through C125 R123 C122 C115 and R115 and goes into the amplifier IC101 pin 3 Thiscircuit is used to cancel the transmission return signal 7 9 7 CAL...

Страница 184: ...ple data message format The multiple data format allows to transmit the name and data code information in addition to the time and telephone number data When there is multiple data in the unit the name or telephone number are displayed 2 Circuit Operation The caller ID signal input from TEL LINE is processed with MODEM IC505 Refer toCHECK SHEET for the route of caller ID signal 184 ...

Страница 185: ...lse dial operation the monitor tone is output from gate array IC501 7 10 2 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 Signal path Refer to CHECK SHEET 7 10 3 HANDSET CIRCUIT 1 Function This circuit controls the conversation over the handset i e the transmitted and received voices to and from the handset 2 S...

Страница 186: ...ed answering machine TAM the answering machine is connected to the line and the answering message is sent out to the line OGMout for 8 16 sec The length of the answering message should be 8 16 seconds While the message is being played the unit starts to detect the CNG signal A If the unit detects the CNG signal it will switch to FAX receivingand disconnect the external TAM automatically 2 After se...

Страница 187: ...5 Tip1 EXT TAM Ring 1 L104 RLY101 5 3 L103 POS101 Ring 2 CNG VOX signal detection circuit The CNG signal from the other party s FAX is detected in MODEM IC505 digital board Signal path Refer to CHECK SHEET 3 Remote receiving This is the parallel connected DTMF signal for the TEL or EXT TEL mode between T and R When the other party is a FAX the unit switches to FAX receiving Signal Path Detects the...

Страница 188: ...riting the ASCII code from the data bus D4 D7 V0 is supplied for the crystal drive R303 R305 and R306 are density control resistors Consequently in this unit the timing positive clock is generated by the LCD interface circuitry in the gate array IC301 188 ...

Страница 189: ...y mode Density Normal Darker 2 lines X1 0 LED1 IC301 22pin H L XLD15 IC301 21pin L L X1 5 LED1 H H XLD15 Hi Z L 7 14 POWER SUPPLY BOARD SECTION This power supply board uses the switching regulator method 189 ...

Страница 190: ...noise voltage and the noise electric field strength Rectifier Circuit The input current is rectified by D101 D104 and charges C106 to make DC voltage Then it supplies power to the converter circuit Kick on voltage circuit Bias is applied to the Q101 gate via this circuit when the AC power is turned on and Q101 begins operating 190 ...

Страница 191: ...follows 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 voltag...

Страница 192: ...r In this power supply the duty ratio is defined by changing the ON period of the main transistor This is shown as follows When the output voltage 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 l...

Страница 193: ...heck the power supply output Refer to POWER SUPPLY BOARD SECTION 8 REFERENCE MATERIAL DATA 8 1 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 8 2 HOW TO REPLACE THE FLAT PACKAGE IC Even if you do not have the special tools for example a spot heater to remove the Flat IC with some solder large amount a soldering iron and a cutter knife you can easily remove the ICs that have more than 100 pins 19...

Страница 194: ...king PbF Pb free Solder Soldering Iron Tip Temperature of 700 F 20 F 370 C 10 C Note We recommend a 30 to 40 Watt soldering iron An expert may be able to use a 60 to 80 Watt iron where someone with less experience could overheat and damage the PCB foil Flux Recommended Flux Specific Gravity 0 82 Type RMA lower residue non cleaning type Note See ABOUT LEAD FREE SOLDER PbF Pb free 8 2 2 FLAT PACKAGE...

Страница 195: ...2 Make a few cuts into the joint between the IC and its pins first and then cut off the pins thoroughly 3 While the solder melts remove it together with the IC pins 195 ...

Страница 196: ...solder is left at the joint on the board the new IC will not be attached properly 8 2 3 FLAT PACKAGE IC INSTALLATION PROCEDURE 1 Temporarily fix the FLAT PACKAGE IC soldering the two marked pins Check the accuracy of the IC setting with the corresponding soldering foil 2 Apply flux to all pins of the FLAT PACKAGE IC 196 ...

Страница 197: ...n the direction of the arrow 8 2 4 BRIDGE MODIFICATION PROCEDURE 1 Lightly resolder the bridged portion 2 Remove the remaining solder along the pins using a soldering iron as shown in the figure below 8 3 TEST CHART 8 3 1 ITU T No 1 TEST CHART 197 ...

Страница 198: ...8 3 2 ITU T No 2 TEST CHART 198 ...

Страница 199: ...9 FIXTURES AND TOOLS 199 ...

Страница 200: ...10 CABINET MECHANICAL AND ELECTRICAL PARTS LOCATION 10 1 GENERAL SECTION 200 ...

Страница 201: ...10 2 OPERATION PANEL SECTION 201 ...

Страница 202: ...10 3 BACK COVER SECTION 202 ...

Страница 203: ...203 ...

Страница 204: ...10 4 UPPER CABINET SECTION 204 ...

Страница 205: ...10 5 LOWER CABINET P C BOARD SECTION 205 ...

Страница 206: ...CROSS REFERENCE MOTOR SECTION 10 6 MOTOR SECTION 206 ...

Страница 207: ...10 7 ACTUAL SIZE OF SCREWS 11 ACCESSORIES AND PACKING MATERIALS 207 ...

Страница 208: ...12 REPLACEMENT PARTS LIST 1 RTL Retention Time Limited Note The marking RTL indicates that the Retention Time is limited for this item 208 ...

Страница 209: ...k have special characteristics important for safety When replacing any of these components use only manufacture s specified parts 3 The S mark means the part is one of some identical parts For that reason it may be different from the installed part 4 ISO code Example ABS HB of the remarks column shows quality of the material and a flame resisting grade about plastics 5 RESISTORS CAPACITORS Unless ...

Страница 210: ...art Name Description Remarks 31 PFDE1189Y1 LEVER CASSETTE PS HB 32 PFKV1071Y1 COVER U TURN PS HB 33 PFKS1039W TRAY CASSETTE PLATE PS HB 34 PFHG1088Z RUBBER PARTS PAPER SEPARATION 35 PFUS1414Z TORSION SPRING PICK UP 36 PFUS1409Z TORSION SPRING EARTH 37 PFQT1945Z INDICATION LABEL OPEN 38 PFQT1932N INDICATION LABEL PAPER SET 39 PFKR1028Y1 GUIDE DOCUMENT R ABS HB 40 PFKR1027X1 GUIDE DOCUMENT L ABS HB ...

Страница 211: ...NSOR POM HB 12 1 3 UPPER CABINET SECTION Ref No Part No Part Name Description Remarks 91 PFKM1103V1 CABINET BODY MAIN PS V0 92 PFJS11Q69Y CONNECTOR 11 PIN 93 PFHR1373Z GUIDE HOLDER HEAD L POM HB 94 PFHR1374Z GUIDE HOLDER HEAD R POM HB 95 PFJHS026Z PRINTER UNITS THERMAL HEAD S 96 PFHX1606Z SPACER HEAD SHEET 97 PFHX1607Z SPACER HEAD SHEET 98 PFHX1608Z SPACER RIBBON GUIDE SHEET 99 PFQT2089Z INDICATIO...

Страница 212: ... POM HB 140 PFDF1087Z SHAFT DOC SEPARATION POM HB 141 PFDR1014Z ROLLER DOC SEPARATION 142 KR06TT251508 INSULATOR FERRITE CORE 12 1 5 MOTOR SECTION Ref No Part No Part Name Description Remarks 151 PFUA1041Y CHASSIS GEAR BASE PBT ABS V1 152 PFDX1022Z GEAR ASS Y TORQUE LIMIT POM HB 153 PFDG1151Z GEAR POM HB 154 PFDG1287Z GEAR POM HB 155 PFDG1150Z GEAR POM HB 156 PFDG1149Z GEAR POM HB 157 PFUS1231Y CO...

Страница 213: ...A04 PROTECTION COVER P6 PFPH1011Z PACKING SHEET P7 XZB20X30A04 PROTECTION COVER 12 2 DIGITAL BOARD PARTS Ref No Part No Part Name Description Remarks PCB1 PFWP1P342CX DIGITAL BOARD ASS Y RTL ICs IC501 C1ZBZ0001896 IC IC503 PFVIMS5148EF IC S IC505 PFVIR676812 IC IC507 PFVII5510011 IC IC508 PFVIT2003APS IC S IC509 PQVITC4066BF IC S IC510 PFVIT2003APS IC S IC511 PFVINJM4558M IC S IC520 C1ZBZ0002029 I...

Страница 214: ...NECTOR 8 PIN CN512 PQJP3G30Y CONNECTOR 3 PIN S CN515 PQJP5G30Y CONNECTOR 5 PIN S CN516 PQJP05G100Z CONNECTOR 5 PIN CN517 PQJP16A19Z CONNECTOR 16 PIN S FUSE RESISTORS F503 PFRB0031125T FUSE RESISTOR S F504 PFRB0031125T FUSE RESISTOR S CERAMIC FILTERS L506 PFVF1A121ST CERAMIC FILTER L514 PFVF1A121ST CERAMIC FILTER COILS L512 PQLQR2KA20T COIL S L519 PQLQR2KA113 COIL S L522 PQLQR2KA20T COIL S L531 PQL...

Страница 215: ...L518 ERJ3GEY0R00 0 L520 ERJ3GEY0R00 0 L525 ERJ3GEYJ101 100 L526 ERJ3GEYJ101 100 L527 ERJ3GEYJ101 100 L528 ERJ3GEYJ101 100 L529 ERJ3GEYJ101 100 L530 ERJ3GEY0R00 0 R501 ERJ3GEYJ562 5 6k R502 ERJ3GEYJ472 4 7k R503 ERJ3GEYJ101 100 R504 ERJ3GEYJ181 180 R505 ERJ3GEYJ101 100 R506 ERJ3GEYJ181 180 R507 ERJ3GEYJ101 100 R510 ERJ3GEYJ101 100 R511 ERJ3GEYJ101 100 R512 ERJ3GEYJ101 100 R513 ERJ3GEYJ102 1k R515 E...

Страница 216: ...RJ3GEYJ103 10k R560 ERJ3GEYJ103 10k R561 ERJ3GEYJ472 4 7k R563 ERJ3GEYJ221 220 R564 ERJ3GEYJ103 10k R565 ERJ3GEYJ222 2 2k R566 ERJ3GEYJ102 1k R567 ERJ3GEYJ102 1k R568 ERJ3GEYJ103 10k R569 ERJ3GEYJ683 68k R570 ERJ3GEYJ474 470k R571 ERJ3GEYJ105 1M R572 ERJ3GEYJ185 1 8M R573 ERJ3GEYJ222 2 2k R574 ERJ3GEYJ152 1 5k R575 ERJ3GEYJ103 10k R576 ERJ3GEYJ103 10k R577 ERJ3GEY0R00 0 R579 ERJ3GEYJ303 30k R580 E...

Страница 217: ...GEYJ563 56k R679 ERJ3GEYJ562 5 6k R680 ERJ3GEYJ472 4 7k R681 ERJ3GEYJ101 100 R682 ERJ3GEYJ103 10k R683 ERJ3GEYJ472 4 7k R684 ERJ3GEYJ472 4 7k R685 ERJ3GEYJ101 100 R688 ERJ3GEY0R00 0 R699 ERJ3GEY0R00 0 R700 ERJ3GEY0R00 0 R701 ERJ3GEY0R00 0 R702 ERJ3GEYJ102 1k R703 ERJ3GEYJ102 1k R704 ERJ3GEYJ102 1k R705 ERJ3GEYJ103 10k R719 ERJ3GEYJ472 4 7k R720 ERJ3GEYJ103 10k R721 ERJ3GEYJ103 10k R722 ERJ3GEYJ103...

Страница 218: ... C538 ECUV1H104ZFV 0 1 S C539 ECUV1H101JCV 100P S C540 ECUV1H100JCV 10P S C541 ECUV1H100JCV 10P S C542 ECUV1H104ZFV 0 1 S C543 ECUV1H104ZFV 0 1 S C545 ECUV1H104ZFV 0 1 S C546 ECUV1H104ZFV 0 1 S C547 ECUV1H104ZFV 0 1 S C548 ECEA1CK101 100 S C549 ECUV1C104KBV 0 1 S C550 ECUV1H330JCV 33P S C551 ECEA1CK101 100 S C553 ECUV1H472KBV 0 0047 S C554 ECUV1H472KBV 0 0047 S C559 ECUV1H104ZFV 0 1 S C560 ECUV1H1...

Страница 219: ...02KBV 0 001 S C605 ECUV1H104ZFV 0 1 S C606 ECUV1H102KBV 0 001 S C609 ECUV1H104ZFV 0 1 S C610 ECUV1H104ZFV 0 1 S C611 ECUV1H104ZFV 0 1 S C614 ECUV1H104ZFV 0 1 S C618 ECUV1H102KBV 0 001 S C619 ECUV1H104ZFV 0 1 S C620 ECUV1H104ZFV 0 1 S C621 ECUV1H104ZFV 0 1 S C623 ECEA1CK101 100 S C625 ECEA1CK101 100 S C626 ECUV1H104ZFV 0 1 S C628 ECUV1H104ZFV 0 1 S C634 ECUV1H104ZFV 0 1 S C635 ECUV1H104ZFV 0 1 S C6...

Страница 220: ...CONNECTORS AND JACKS CN101 PQJS16A10Z CONNECTOR 16 PIN S CN102 PFJJ1T01Z JACK S CN103 PFJJ1T01Z JACK S CN104 PQJJ1TB18Z JACK S CN105 PQJP02G100Z CONNECTOR 2 PIN SWITCH SW101 PFSH1A011Z SWITCH HOOK COILS L102 PQLQR2KA213 COIL S L103 PQLQR2KA213 COIL S L104 PQLQR2KA213 COIL S L105 PQLQR2KA213 COIL S L107 PQLQR2KA113 COIL S L108 PQLQR2KA113 COIL S L109 PQLQR2KA113 COIL S L110 PQLQR2KA113 COIL S PHOTO...

Страница 221: ...RDS2TJ331 330 S R123 ERJ3GEYJ333 33k R124 ERJ3GEYJ913 91k R125 ERJ3GEY0R00 0 R130 ERJ3GEYJ104 100k R131 ERJ3GEYJ101 100 R132 ERJ3GEYJ473 47k R133 ERJ3GEYJ331 330 R134 ERJ3GEYJ562 5 6k R136 ERJ3GEYJ152 1 5k R137 ERJ3GEYJ331 330 R138 ERJ3GEYJ152 1 5k R139 ERJ3GEYJ183 18k R140 ERJ3GEYJ183 18k R141 ERJ3GEYJ394 390k R142 ERJ3GEYJ394 390k R143 ERJ3GEYJ222 2 2k R149 ERJ3GEYJ680 68 R151 ERJ3GEYJ473 47k R1...

Страница 222: ...ECUV1H221JCV 220P S C159 ECUV1H103KBV 0 01 S C171 ECEA1HKA4R7 4 7 C172 ECUV1C393KBV 0 039 S C173 ECUV1H102KBV 0 001 S C175 ECUV1H681KBV 680P S C176 ECUV1H681KBV 680P S 12 4 OPERATION BOARD PARTS Ref No Part No Part Name Description Remarks PCB3 PFWP3FHD331M OPERATION BOARD ASS Y RTL IC IC301 MN7D032Z9J IC DIODE LED302 PQVDSLR325MC LED S LCD CN302 L5DAAFB00001 LIQUID CRYSTAL DISPLAY CONNECTOR CN301...

Страница 223: ...SWITCH S SW330 PQSH1A105Z PUSH SWITCH S SW331 PQSH1A105Z PUSH SWITCH S SW332 PQSH1A105Z PUSH SWITCH S SW333 PQSH1A105Z PUSH SWITCH S SW334 PQSH1A105Z PUSH SWITCH S SW335 PQSH1A105Z PUSH SWITCH S SW336 PQSH1A105Z PUSH SWITCH S SW337 PQSH1A105Z PUSH SWITCH S SW352 PFSH1A002Z SWITCH DOCUMENT TOP SW353 PFSH1A002Z SWITCH DOCUMENT SET RESISTORS R302 ERJ3GEYJ271 270 R303 ERJ3GEYJ183 18k R305 ERJ3GEYJ222 ...

Страница 224: ...01 AN1431T IC IC202 AN7805F IC TRANSISTOR Q101 2SK2651 TRANSISTOR SI DIODES D101 PFVD1N4005 DIODE SI S D102 PFVD1N4005 DIODE SI S D103 PFVD1N4005 DIODE SI S D104 PFVD1N4005 DIODE SI S D105 PFVDEG01C DIODE SI S D106 MA165 DIODE SI D107 MA4220 DIODE SI D108 PQVDERA1802 DIODE SI S D201 PFVDSF5LC20U DIODE SI S D202 PFVD11DQ10 DIODE SI S COIL L101 ELF15N005A COIL COMPONENT PART L103 EXCELDR35 COMPONENT...

Страница 225: ...3GEYJ103 10k R122 ERJ3GEYJ331 330 R124 ERJ3GEYJ181 180 R125 ERJ3GEYJ103 10k R126 ERJ3GEYF562 5 6k R127 ERJ3GEYJ182 1 8k R128 PQ4R10XJ101 100 S R136 PQ4R10XJ104 100k S R137 PQ4R10XJ104 100k S R202 ERG2SJ152 1 5k R203 ERDS2FJ470 47 R221 PQ4R10XJ222 2 2k S R222 PQ4R10XJ222 2 2k S R223 PQ4R10XJ101 100 S R224 PQ4R10XJ273 27k S R225 PQ4R10XJ332 3 3k S CAPACITORS C101 ECQU2A224MG 0 22 C102 ECQU2A104MG 0 ...

Страница 226: ...ON SW502 PFSH1A011Z PUSH SWITCH COVER OPEN 12 7 FIXTURES AND TOOLS Ref No Part No Part Name Description Remarks EC1 PFZZ16K5Z EXTENSION CORD 16 PIN EC2 PQZZ2K12Z EXTENSION CORD 2 PIN EC3 PQZZ7K5Z EXTENSION CORD 7 PIN EC4 PFZZ11K12Z EXTENSION CORD 11 PIN EC5 PFZZ5K13Z EXTENSION CORD 5 PIN EC6 PQZZ5K6Z EXTENSION CORD 5 PIN EC7 PQZZ3K5Z EXTENSION CORD 3 PIN EC8 PQZZ8K18Z EXTENSION CORD 8 PIN EC9 PFZZ...

Страница 227: ...NSOR BOARD PCB5 13 5 POWER SUPPLY BOARD PCB4 14 FOR THE SCHEMATIC DIAGRAMS 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 15 SCHEMATIC DIAGRAM 15 1 ANALOG BOARD PCB2 15 2 DIGITAL BOARD PCB1 15 3 OPERATION BOARD PCB3 15 4 POWER SUPPLY BOARD PCB4 15 5...

Страница 228: ... R102 R127 R113 C128 C121 C111 C120 C127 R129 R128 R111 C101 C129 C113 R130 R119 R101 R126 C117 C141 C143 R144 R143 R114 C116 C119 C104 R118 C124 C112 R125 C115 C122 R122 R123 C123 R124 R112 R115 C114 R116 R146 IC101 R145 C144 R140 R139 C178 R163 Q110 Q111 C107 C137 C138 C134 R131 R134 R135 R147 R136 R170 R172 R173 C172 C173 R176 C175 C176 R175 R174 R165 R164 C159 R171 IC102 8 1 4 5 R132 C135 Q103...

Страница 229: ...SH REDIAL PAUSE ERASE PLAY MESSAGE SP PHONE MONITOR SW323 SW321 SW322 NAVIGATOR SW303 LED301 J315 SW325 SW327 PFUP1300ZA AUTO ANSWER SW332 SW329 S4 S5 LOWER MENU NEXT PREV SW330 SW331 J311 J312 J303 PCB CH SW320 SW319 SW328 SW333 CALLER ID HELP SW301 FAX START SET CN303 CN301 C303 C354 COPY STOP J304 J305 SW326 SW305 SW310 SW315 SW308 SW313 SW318 SW306 SW311 SW316 SW307 SW312 SW317 SW302 KX FP342C...

Страница 230: ...5 R352 R351 C352 Q301 C306 R303 R306 R307 R305 C309 33 34 23 22 12 11 1 44 C353 D301 C351 C310 C311 C317 SW353 R317 R316 R313 R326 10 1 R325 R324 R323 R322 R318 SW352 R314 R321 R320 R304 C304 C302 R302 R312 C314 KX FP342CX OPERATION BOARD PCB3 BOTTOM VIEW ...

Страница 231: ...R222 R225 C222 VR201 R223 C110 C122 IC101 C109 C121 R125 D107 D106 IC202 COMPONENT VIEW BOTTOM VIEW KX FP342CX POWER SUPPLY BOARD PCB4 SECONDARY PRIMARY CAUTION SRF1258EK T3 15AH 250V CN31 TH101 C106 ZNR101 L101 IC101 C109 C110 C206 C204 D202 R108 PC101 IC201 VR201 K R A ONLY WITH SAME TYPE AND RATINGS OF FUSE F101 R101 C101 F101 D104 D103 R103 L103 R105 D106 D105 D108 R106 T101 R107 R109 R104 D10...

Страница 232: ...SW502 SW501 CN501 CHECK PFUP1301ZA 1 3 KX FP342CX SENSOR BOARD PCB5 ...

Страница 233: ...PC5 55 MCHG 56 RESET 57 GND 58 FLASHCS 59 PB4 A12 60 PB3 A11 61 PB2 A10 62 PB1 A9 63 PB0 A8 64 A3 C630 NC C603 NC C629 NC C505 NC IC523 20 A0 19 A1 18 A2 17 A3 16 A4 15 A5 14 A6 13 A7 3 A8 2 A9 31 A10 1 A11 12 A12 4 A13 5 A14 11 A15 10 A16 6 A17 9 A18 24 VSS 8 VDD 32 OE 30 CE 7 WE 29 D7 28 D6 27 D5 26 D4 25 D3 23 D2 22 D1 21 D0 PG L507 0 C628 Z0 1u RA509 100 1 2 3 4 5 6 7 8 RA510 100 1 2 3 4 5 6 7...

Страница 234: ...3VA1 3 3VD XTEST 2 5V 2_5VBAT 3_3VBAT CN508 1 5v 2 TXD 3 RXD 4 RTS RA514 100 1 2 3 4 5 6 7 8 RA515 100 1 2 3 4 5 6 7 8 RA516 100 1 2 3 4 5 6 7 8 RA517 100 1 2 3 4 5 6 7 8 5VD TEST CN504 1 MICIN 2 AG 3 5V 4 DG 5 KSTART 6 KLATCH 7 KRXD 8 KTXD 9 KSCLK 10 RESET C527 Z0 1u C526 K1000p C516 Z0 1u C513 Z0 1u C621 Z0 1u C524 Z0 1u C533 Z0 1u C646 K0 1u C523 J15p C609 Z0 1u C611 Z0 1u C531 Z0 1u C537 Z0 1u...

Страница 235: ...K R580 150K R585 470K R581 10K R575 10K R566 1K R571 1M R574 1 5K R587 47K R579 30K R573 2 2K R569 68K R586 15K R570 470K R698 R577 0 R584 3 9K R572 1 8M R622 330 R590 220K R597 330K R600 47K R593 56K R697 R594 6 8K R583 33K Q508 Q509 Q511 Q524 Q510 C587 NC C562 NC 10K RA513 1 2 3 4 5 6 7 8 C561 NC C624 NC C670 K1000p C563 NC C600 J56p R732 NC IC509 1 2 3 4 5 6 7 VSS 8 9 10 11 12 13 14 VDD R695 3 ...

Страница 236: ...RQ2 122 SR3IN 123 RESERVED 123 124 RESERVED 124 125 DGND6 126 DVAA 127 AGND5 128 EYESYNC EYECLK EYEXY 5VA AG_M AG_M AG_M AG_M AG_M AG_M XCLK 3 3VD FTG VIDEO 3 3VD 5VD 5 CTS 6 DSR 7 DTR 8 GND 5VD AG_M AG_M 3 3VD 3VDCIS 5VD C577 K1000p C545 Z0 1u C553 K4700p C667 NC C540 J10p C549 K0 1u C665 NC C664 NC C589 Z0 1u C535 Z0 1u C550 J33p C656 Z0 1u C547 Z0 1u C546 Z0 1u C583 Z0 1u C573 K0 1u C575 Z0 1u ...

Страница 237: ...NC R159 NC C153 NC R158 NC C123 NC C120 NC C121 NC R121 330 1 4W C119 NC R125 0 Q109 NC R128 NC R127 NC R126 NC R113 NC R129 NC 5VA C126 NC C127 NC C128 NC C129 NC R130 100K C159 K0 01u R164 100 R165 4 7K 5VA SW101 1 3 2 4 PC106 NC 1 2 3 4 5VA R166 NC D109 NC Q106 JJ104 0 JJ106 0 C175 K680P R174 NC R171 10K NC R170 NC C174 5VA JJ108 0 10K R172 IC102 1 CD 2 FC2 3 FC1 4 VIN 5 V01 6 VCC 7 GND 8 VD2 C...

Страница 238: ... 1 2 3 4 L101 NC 3 2 4 1 JJ101 0 JJ102 0 R104 0 C105 NC NC C106 NC C107 5VA 5VA C133 6 3V47u NC C141 K0 01u C138 K0 01u C137 5VA D108 NC C151 NC C152 NC D107 NC 4 3 1 2 R151 47K PC103 NC 1 2 3 4 ZNR101 NC Q104 NC Q105 NC R146 NC R147 NC R144 NC R145 NC C143 NC R148 NC R135 NC C135 NC C144 NC D110 3V D111 3V T102 NC 2 1 5 3 R137 330 C136 6 3V47u R149 68 L112 0 R109 220 1 4W C109 K0 033u PC105 1 2 3...

Страница 239: ...353 22K Q301 R354 150 R355 560K R356 3 3K C353 J330P C351 K0 01u R306 2 2K C311 Z0 1u NC R307 SW327 R312 LED301 NEW MESSAGES CN301 1 MICIN 2 AG 3 5V 4 DG 5 KSTART 6 KLATCH 7 KRXD 8 KTXD 9 KSCLK 10 RESET 5V IC301 30 RESET 31 SCLK 32 RXD 33 TXD 34 LATCH 35 START 42 KIN0 3 KIN1 7 KIN2 8 KIN3 11 KIN4 12 KIN5 13 KIN6 14 KIN7 43 KSL0 41 LED5 38 LED4 37 LED3 36 LED2 29 D7 28 D6 27 D5 26 D4 25 E 24 R W 23...

Страница 240: ...31 1 GND R127 PC101 C124 0 1 1 8K C101 0 22 F101 SA250V D104 R105 0 22 2 R124 180 C121 4700p 4 5 3 6 2 7 1 8 R122 330 R125 10K D107 IC101 D108 R108 15 IC202 R109 10 Q101 G R104 R107 300K 2 300K 2 T101 TRANS D201 1 24V 2 24V 3 24V 4 GND CN301 5 GND 6 GND 7 5V C202 1000p 1K D202 C206 C110 C221 0 1 25 1000p 1K 2200p R223 IC201 C205 1 50 100 D S R203 0 C204 47 35 TH101 KX FP342CX POWER SUPPLY BOARD PC...

Страница 241: ...CN501 1 COVER OPEN 2 READ 3 GND SW501 READ SW502 COVER OPEN SW 1 3 2 4 KX FP342CX SENSOR BOARD PCB5 ...

Страница 242: ...ET XRESET XBACKEN RESET IC 3 3V BATT 2 5V BATT BATT 24MHz 32 768KHz TX RX TO ANALOG P C B A 12 0 RBA 5 0 A 4 0 5V XRAS XCAS A 9 0 D 7 0 XRD XWR XRAS XCAS IC503 DRAM A 7 4 RBA 5 0 PTOP FILM DETECTION COVER OPEN SENSOR LED ON PS501 Sensor P C B 3 3V CN504 CN503 CN505 CN515 CN516 CN506 CN517 SW501 SW502 TX 3 0 TXE IC508 IC510 MOTOR DRV MOTOR DRIVE CISLEDON IC520 IC520 GATE ARRAY DIR G XCAS2 A B 32 25...

Страница 243: ... GND VCC 3 4 1 2 7 6 5 8 SPMUTE LINEOUT LINEIN SPKRP MICP SPKRM MICM R582 R576 C573 C577 PIA 61 62 60 69 72 71 OF MREN C570 R575 C670 R573 5V R571 R571 R572 C568 Q508 R574 C601 R566 IC501 32 31 C579 IC511 12V R597 R587 R584 R586 C576 HSRXEN R593 C586 Q510 R591 HSTXMUTE C581 R583 IC511 12V R585 MDMTXEN TONE1EN R579 R580 C571 C572 R569 TONE1 TONE2 R600 R568 Q511 TONE2EN MODEM IC IC505 L104 L105 POS1...

Страница 244: ...CN301 CN504 IC501 ASIC LCD MODULE GATE ARRAY IC301 CN302 DOCUMENT TOP SW DOCUMENT SET SW 8x5 KEYS MATRIX DIGITAL BOARD OPERATION BOARD XL9 10 KIN0 7 KSL0 4 KX FP342CX OPERATION BOARD BLOCK DIAGRAM ...

Страница 245: ...625 R626 R724 R725 C630 R726 R727 R543 R602 R557 L530 R541 R540 R539 R538 R542 C523 R533 C518 2 5V C515 C514 C620 C618 R620 C509 C646 R681 R663 R513 R511 R510 R517 R515 C516 C526 C527 R656 R731 C629 R550 R723 R720 R722 R503 R699 L533 R700 R505 R703 R506 C603 R701 C622 R507 R518 D502 D505 D504 R520 R536 Q504 E Q502 E R502 L522 R721 R655 R654 R669 C525 C611 R544 J501 D503 R532 R531 R604 R629 C547 R6...

Страница 246: ...L525 L526 L527 L528 L529 R501 R519 F503 C501 C543 C502 R526 R657 R599 R658 R728 C605 R621 R529 R705 R551 R560 R682 R556 R631 C531 CE1 D7 D6 D0 A0 A1 A2 A3 CE2 WR RD ROMCS A10 A7 A9 A8 A15 A16 A18 A14 A17 A13 A11 A4 A5 A6 A12 A19 D4 D2 D5 D1 D3 C575 C535 R740 C657 C665 R711 AG M 1 CN509 3 L509 R590 24VA 12V AG CN503 Q518 2 5V MFCS 2 5V BAT Q505 RESET PFUP1298ZA 3 3VD CN505 CN515 CN516 CN504 5VD 1 1...

Страница 247: ...52 J1 J23 J21 1 2 CN105 C103 CN103 J14 J12 R105 J13 ZNR101 C126 C125 JJ106 R160 D113 D103 J18 PC102 PC105 PC103 PC106 PC104 J22 J56 J54 J27 J17 J26 D115 C181 C156 C152 C151 D109 D102 D101 R154 R120 R121 JJ113 Q107 E D114 C157 C155 C153 JJ107 J24 J58 J20 J19 J7 J59 CN101 16 1 R178 R177 JJ103 D111 D106 J25 J11 C132 C136 C133 C171 C170 C174 D105 SW101 L112 KX FP342CX ANALOG BOARD PCB2 COMPONENT VIEW ...

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