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3. Facsimile Call Time Series

As shown in the following diagram, the facsimile call time series is divided into five phases.

Phase A : Call setting

Call setting can be manual/automatic.

Phase B : Pre-message procedure

Phase B is a pre-processing procedure and sequence for confirming the status of the terminal, transmission route, etc., and for
terminal control. It implements terminal preparation status, determines and displays terminal constants, confirms
synchronization status, etc. and prepares for transmission of facsimile messages.

Phase C : Message transmission

Phase C is the procedure for the transmitting facsimile messages.

Phase D : Post message procedure

Phase D is the procedure for confirming 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 start of transmission when the functions at the sending and receiving sides are confirmed, the
transmission mode is established, and transmission and reception are synchronized.

Image transmission time:

This is the time required for the transmission of document contents (image data). In general, this time is recorded in the
catalog, etc.

Hold time:

This is the time required after 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)

Transmission Speed

300 bps (Control Signal)
2400, 4800, 7200, 9600, 12000, 14400 bps (FAX Signal)

Redundancy Compression
Process
(Coding Mode)

1 dimension : MH Mode
2 dimension : MR Mode (K=2.4)

Resolution

Main Scan : 8 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.

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KX-FC379CX

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Содержание KX-FC379CX

Страница 1: ...c Communications Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law KX FC379CX for Asia and Middle Near East Digital Cordless Phone System with FAX and Copier ORDER NO KMF0504858CE ...

Страница 2: ...16 8 SENSOR BOARD PCB7 SW402 1 2 3 4 SW401 REED SW CN401 1 PTOP 2 REED 3 GND KX FC379CX SENSOR BOARD SCHEMATIC DIAGRAM 250 KX FC379CX Y KXFC379CX ...

Страница 3: ...WITCHES 166 8 6 MODEM SECTION 169 8 7 DESCRIPTION OF BLOCK DIAGRAM IN ANALOG SECTION 176 8 8 NCU SECTION 178 8 9 ITS Integrated Telephone System AND MONITOR SECTION 182 8 10 ATAS Automatic Telephone Answering System SECTION 182 8 11 OPERATION BOARD SECTION 183 8 12 LCD SECTION 184 8 13 POWER SUPPLY BOARD SECTION 185 8 14 CORDLESS SECTION BASE UNIT 188 8 15 CORDLESS SECTION HANDSET 194 8 16 CPU DAT...

Страница 4: ...ATIC DIAGRAM 239 16 1 DIGITAL BOARD PCB1 239 16 2 ANALOG BOARD PCB2 241 16 3 OPERATION BOARD PCB3 243 16 4 POWER SUPPLY BOARD PCB4 244 16 5 CORDLESS BASE BOARD PCB5 245 16 6 HANDSET BOARD PCB6 247 16 7 RF PART in HANDSET BOARD 249 16 8 SENSOR BOARD PCB7 250 3 KX FC379CX ...

Страница 5: ...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...

Страница 6: ...t Pb Free Solder is Used P C Boards marked as PbF use Pb Free solder See the figure below Example Digital Board Note The PbF marked may be found on different areas of the same P C Board depending on manufacture date 5 KX FC379CX ...

Страница 7: ...ads 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 4 FOR SERVICE TECHNICIANS ICs and LSIs are vulnerable to static electricity When repairing the following precautions will help prevent recurring malfunctions 1 Cover the plasti...

Страница 8: ... core 2 times 1 7 PERSONAL SAFETY PRECAUTIONS 1 7 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 t...

Страница 9: ...ys 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 accumulate on a person For instance clothes rubbing together can damage electric elements or change their electrical characteristics In order to prevent static electricity touch a metallic part that is grounded to release the static ele...

Страница 10: ... and base unit up to 50 Station telephone phone book in total 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 compatible equipment must be used by both telephone companies Feature not available when the unit is connecte...

Страница 11: ...y Approx 7 0 W Transmission Approx 13 W Reception Approx 45 W When receiving a 20 black document Copy Approx 45 W When copying a 20 black document Maximum Approx 135 W When copying a 100 black document Power Supply 220V 240V AC 50 60 Hz Fax Memory Capacity 3 Transmission Approx 25 pages Reception Approx 28 pages Voice Memory Capacity 4 Approx 18 minutes 1 Transmission speed varies depending on pag...

Страница 12: ...ng paper exit 7 Tension plate 8 Antenna 9 Front cover 10 Document entrance 11 Document exit 12 Speaker 13 Green button Back cover release button 14 Back cover 1 Ringer Message alert indicator 2 Antenna 3 Receiver 4 Headset jack 5 Microphone 6 Speaker 3 LOCATION 3 1 OVERVIEW 3 1 1 Base Unit 3 1 2 Handset 11 KX FC379CX ...

Страница 13: ... fax To store a setting during programming 11 STOP To stop an operation or programming 12 HELP To print helpful information for quick referance 13 MENU To initiate or exit programming 14 SLOW To slow down message playback 15 VOLUME NAVIGATOR To adjust volume To search for a stored item 16 QUICK To speed up message playback 17 SP PHONE For speakerphone operation 18 MUTE To mute your voice to the ot...

Страница 14: ...en your line has rotary pulse services 5 HOLD INTERCOM To put a call on hold To page the base unit To transfer a call 6 VOL Navigator To adjust volume To search for a stored item 7 OFF To hang up To stop an operation or programming 8 MENU To initiate programming 9 FLASH CALL WAIT To access special telephone services such as call waiting or for transferring extension calls The flash time can be cha...

Страница 15: ...nges of temperature and humidity Ambient temperature 5 C to 35 C Relative humidity 20 to 80 without condensation 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 from functioning properly To protect the unit from damage hold bot...

Страница 16: ... service company Please attach the filter to the telephone line cord of the fax machine 4 3 BATTERY CHARGE Place the handset on the cradle of the base unit for about 6 hours before initial use The unit will beep once the CHARGE indicator will light and Charging will be displayed When the battery is fully charged Charge completed will be displayed Note To ensure the battery charges properly clean t...

Страница 17: ...fe Recharge Recharge the battery when Recharge battery is shown and or flashes on the handset display the handset beeps intermittently while it is in use Recharge the handset battery for more than 15 minutes or the display will continue showing the indication If the battery has been discharged the handset will display Charge for 6h and when you place the handset on the cradle of the base unit The ...

Страница 18: ...h and will not rub off on your hands like carbon paper Make sure the blue gear and white gear are installed as shown 5 Turn the gear of the blue core in the direction of the arrow until the ink film is tight Make sure that the ink film is wrapped around the blue core at least once 6 Close the back cover securely by pushing down on the notched area at both ends 7 Close the front cover securely 17 K...

Страница 19: ...lm 3 Remove the stoppers and tags from the new ink film 4 Insert the ink film and close the covers See steps 4 to 6 on INSTALLING THE INK FILM P 16 4 6 INSTALLING THE PAPER TRAY Insert the tabs on the paper tray into the slots on the back of the unit To use A4 size paper Insert the tab on the A4 paper guide into the slot on the paper tray and push the guide until it clicks into place Attach the pa...

Страница 20: ... Program Mode Table P 75 4 7 INSTALLING THE RECORDING PAPER The unit can hold Up to 30 sheets of 60 g m2 to 80 g m2 paper Up to 20 sheets of 90 g m2 paper 1 Pull the tension plate forward 2 Fan the paper to prevent paper jams 3 Insert the paper print side down 4 Push the tension plate back If the paper is not inserted correctly readjust the paper or the paper may jam 19 KX FC379CX ...

Страница 21: ...ed creased or torn paper Paper with a coated surface Paper with a faint image Paper with printing on the opposite side that can be seen through the other side such as newsprint Check that ink paste or correction fluid has dried completely To transmit a document with a width of less than 210 mm we recommend using a copy machine to copy the original document onto A4 or letter sized paper than transm...

Страница 22: ...IONAL ACCESSORIES P 9 Only use rechargeable batteries If you install non rechargeable batteries and start charging them the batteries may leak electrolyte 1 Press the notch on the battery cover firmly and slide the cover 2 Replace the old battery with a new one and close the cover see BATTERY INSTALLATION P 20 4 10 INSTALLING THE BELT CLIP You can hang the handset on your belt or pocket using the ...

Страница 23: ...eakerphone while using he headset Press SP PHONE To return to the headset press TALK 4 12 SETTING YOUR LOGO The logo can be your name or the name of your company 1 Press MENU 2 Press then 0 2 3 Press SET The cursor will appear on the display 4 Enter your logo up to 30 characters See the character table below for details 5 Press SET The next feature will be displayed 6 Press MENU to exit Note Your ...

Страница 24: ...racter and make the correction To delete a character Press or to move the cursor to the character you want to delete and press STOP To erase all of the characters press and hold STOP To select characters using or Instead of pressing the dial keys you can select characters using or 1 Press repeatedly to display the desired character Characters will be displayed in the following order 1 Lowercase le...

Страница 25: ...rmine 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 conduct copying self testing and communication testing to confirm that the equipment operates normally 7 Record keeping Ma...

Страница 26: ...sor Boards P 43 6 Glass If the glass is dirty clean them with a dry soft cloth Refer to Document Feeder Scanner glass Cleaning P 32 7 Abnormal wear and tear or loose parts Replace the part Check if the screws are tight on all parts 5 1 2 2 Maintenance Cycle No Item Cleaning Cycle Replacement Cycle Procedure 1 Separation Roller Ref No 169 3 months 7 years 31 500 documents Refer to How to Remove the...

Страница 27: ...Once a mode is selected the Drive Motor Gear rotates clockwise CW and then the controlling positions of Swing Gears determine which gears convey their drive power in each mode See Sensor Location in SENSORS AND SWITCHES P 166 26 KX FC379CX ...

Страница 28: ...Document Exit Roller Gear Fig A Transmit mode 5 2 1 2 Paper Pickup and Paper Exit Mode The RX Motor rotate CCW and swing Gear engages Pickup_1 Gear and conveys its power to the Pickup Roller Gear The Swing Gear engages Exit Idler Gears and conveys its power to the Exit Roller Gear Fig B Paper Pickup Paper Exit mode 27 KX FC379CX ...

Страница 29: ...and conveyers its power to Platen Roller Gear and Ink Film Driver Gear The Swing Gear engages Exit Idler Gears and conveys its power to the Exit Roller Gear Fig C Print mode 5 2 1 4 Copy Mode RX side Paper Pickup mode Print mode Paper Exit mode TX side Transmit mode 28 KX FC379CX ...

Страница 30: ...e unit The display will show the following 1 Open the front cover by pulling up the center part 2 Release the back cover by pushing the green button You can also release the back cover by pushing in the green lever 3 Open the back cover 4 Remove the jammed recording paper 29 KX FC379CX ...

Страница 31: ...tion of the arrow until the ink film is tight Make sure that the ink film is wrapped around the blue core at least once 6 Close the back cover securely by pushing down on the notched area at both ends 7 Close the front cover securely 30 KX FC379CX ...

Страница 32: ...w the following Remove the recording paper and straighten Pull the tension plate forward and insert the paper Push the tension plate back then press START to clear the message 5 3 2 Document Jams sending 1 Open the front cover by pulling up the center part Remove the jammed document carefully 2 Close the front cover securely Note Do not pull out the jammed paper forcibly before opening the front c...

Страница 33: ...cloth moistened with isopropyl rubbing alcohol and let all parts dry thoroughly Clean the scanner glass with a soft dry cloth Caution Do not use paper products such as paper towels or tissues 4 Close the front cover securely 5 Connect the power cord and the telephone line cord 5 4 2 Thermal Head Cleaning If smudges or black white lines appear on a copied received document check whether there is du...

Страница 34: ...an the thermal head with a cloth moistened with isopropyl rubbing alcohol and let it dry thoroughly Caution To prevent a malfunction due to static electricity do not use a dry cloth and do not touch the thermal head directly 7 Reinstall the ink film and close the covers see INSTALLING THE INK FILM P 16 8 Connect the power cord and the telephone line cord 33 KX FC379CX ...

Страница 35: ...A 3 How to Remove the Operation Board and LCD P 37 A 4 How to Remove the Image Sensor CIS P 38 A 5 How to Remove the Thermal Head P 39 A 6 How to Remove the Back Cover P 40 A 7 How to Remove the Platen Roller P 40 A 8 How to Remove the Pickup Roller and Antenna P 41 A 9 How to Remove the Cordless Base Board P 42 B 1 How to Remove the Bottom Frame P 42 B 2 How to Remove the Digital Analog and Senso...

Страница 36: ...nd Sensor Boards P 43 B 3 How to Remove the Power Supply Board and AC cord P 44 B 4 How to Remove the Gear Block and Separation Roller P 45 B 5 How to Remove the Gears Motors and Arms of the Gear Block P 46 6 1 3 Portable Handset Section CROSS REFERENCE C 1 How to Remove the Antenna of Handset P 48 C 2 How to Remove the Handset Board and LCD P 49 35 KX FC379CX ...

Страница 37: ...6 2 DISASSEMBLY PROCEDURE 6 2 1 How to Remove the Paper Tray 6 2 2 How to Remove the Operation Panel Block 36 KX FC379CX ...

Страница 38: ...6 2 3 How to Remove the Operation Board and LCD 37 KX FC379CX ...

Страница 39: ...6 2 4 How to Remove the Image Sensor CIS 38 KX FC379CX ...

Страница 40: ...6 2 5 How to Remove the Thermal Head 39 KX FC379CX ...

Страница 41: ...6 2 6 How to Remove the Back Cover 6 2 7 How to Remove the Platen Roller 40 KX FC379CX ...

Страница 42: ...6 2 8 How to Remove the Pickup Roller and Antenna 41 KX FC379CX ...

Страница 43: ...6 2 9 How to Remove the Cordless Base Board 6 2 10 How to Remove the Bottom Frame 42 KX FC379CX ...

Страница 44: ...6 2 11 How to Remove the Digital Analog and Sensor Boards 43 KX FC379CX ...

Страница 45: ...6 2 12 How to Remove the Power Supply Board and AC cord 44 KX FC379CX ...

Страница 46: ...6 2 13 How to Remove the Gear Block and Separation Roller 45 KX FC379CX ...

Страница 47: ...6 2 14 How to Remove the Gears Motors and Arms of the Gear Block 46 KX FC379CX ...

Страница 48: ...6 2 15 Installation Position of the Lead Wires 47 KX FC379CX ...

Страница 49: ...6 2 16 How to Remove the Antenna of Handset 48 KX FC379CX ...

Страница 50: ...6 2 17 How to Remove the Handset Board and LCD 49 KX FC379CX ...

Страница 51: ...6 2 17 1 Assembly the LCD to Handset Board 50 KX FC379CX ...

Страница 52: ...bleshooting first check that the connectors and cables are connected correctly not loose If the problem occurs randomly check it very carefully 3 When connecting the AC power cord with the unit case and checking the operation exercise utmost care when handling electric parts in order to avoid electric shocks and short circuits 4 After troubleshooting double check that you have not forgotten any co...

Страница 53: ... Clear the jammed paper and press START to clear the message Refer to Recording Paper Jams P 29 The covers are open Close them The ink film is empty Replace the ink film with a new one Refer to REPLACING THE INK FILM P 18 The ink film is not installed Install it Refer to INSTALLING THE INK FILM P 16 The ink film is slack or creased Tighten it Refer to step 5 on INSTALLING THE INK FILM P 16 The han...

Страница 54: ...rs which generate an intense magnetic field A recording paper jam occurred Clear the jammed paper Refer to Recording Paper Jams P 29 There is no space to store new items in the phone book Erase unnecessary items The phone book memory of the handset is already full or became full when copying phone book items Copying was stopped Press STOP to exit the mode Erase other stored items in the handset ph...

Страница 55: ... parallel connected telephone is in use The base unit is on hold for an outside call The handset has lost communication with the base unit Move closer to the base unit and try again Raise the base unit antenna The handset s registration may have been canceled Re register the handset There is no space to store new items in phone book Erase unnecessary items A handset button was pressed while the ha...

Страница 56: ...e 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 t...

Страница 57: ...ONS P 58 553 Monitor on FAX communication select 1 OFF 2 PHASE B 3 ALL 1 3 1 Sets whether to monitor the line signal with the unit s speaker during FAX communication or not 554 Modem test See TEST FUNCTIONS P 58 555 Scan check See TEST FUNCTIONS P 58 556 Motor test 0 See TEST FUNCTIONS P 58 557 LED test See TEST FUNCTIONS P 58 558 LCD test See TEST FUNCTIONS P 58 559 Document jam detection select ...

Страница 58: ...BPS 1 6 1 Adjusts the speed to start training during FAX reception Refer to Receive Problem P 100 and The unit can copy but the transmission and reception image are incorrect P 104 722 Redial tone detect 1 ON 2 OFF 1 2 2 Sets the tone detection mode after redialing 731 CPC mode 1 A 2 B 3 OFF 1 3 1 Sets the CPC signal detection mode from the converter 732 AUTO disconnect cancel time 1 350 ms 2 1 8 ...

Страница 59: ... 5 5 7 All LEDs above the operation panel board flash on and off or are illuminated START LCD CHECK Service Mode 5 5 8 Checks the LCD indication Illuminates all the dots to check if they are normal 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 59 START any key VOICE PROMPT TEST Service Mo...

Страница 60: ...gle Tone Transmit Selection Note After performing this check do not forget to turn the setting off Otherwise dialing in DTMF signal will not work 7 4 2 Button Code Table Code Button Name Code Button Name Code Button Name 04 FAX START SET 26 VOLUME 3C 06 COPY 31 1 3D REDIAL PAUSE 08 SP PHONE 32 2 3E FLASH 09 LOCATOR 33 3 47 SEARCH 0A MUTE 34 4 1B SLOW 0C AUTO ANSWER 35 5 1C QUICK 14 RECORD 36 6 1E ...

Страница 61: ...1 Platen roller 2 Left margin Top margin 3 Thermal head 1 dot 4 Use this test pattern to confirm the torque limiter for Ink film and platen roller timing 7 4 3 Print Test Pattern 60 KX FC379CX ...

Страница 62: ... the SET key and select the channel by 0 9 key input LCD display 4 Press the SET key to start test LCD display on the cordless test mode Note In case of measurement except test mode Turn the Power OFF ON Channel setting Transmitting Receiving Frequency of this cordless check need to change on account of Environment 7 4 4 Test Mode Flow Chart for Cordless Base Unit 61 KX FC379CX ...

Страница 63: ...7 4 4 1 Test Burst Mode and Test TX CW Mode 62 KX FC379CX ...

Страница 64: ...7 4 4 2 RX CW Test Mode 63 KX FC379CX ...

Страница 65: ...7 4 4 3 Test Link Mode 64 KX FC379CX ...

Страница 66: ...7 4 5 Test Mode Flow Chart for Handset 7 4 5 1 TX Burst Mode 65 KX FC379CX ...

Страница 67: ...7 4 5 2 RX CW TEST Mode 66 KX FC379CX ...

Страница 68: ...7 4 5 3 Test Link Mode Note 1 LCD displays the Channel number exception default CH00 1ch 2 for factory use only 67 KX FC379CX ...

Страница 69: ...t flow X tal mode and Batt Low mode Cross Reference 1 Adjust Battery Low Detector Voltage Handset P 69 Note 2 These are the default values 3 These values may not be fixed depending on the battery strength 68 KX FC379CX ...

Страница 70: ...or measurement Antenna land Checking tolerance 2439 966797 MHz 50 KHz at 45 CH in TX CW Mode 7 4 7 Adjust Battery Low Detector Voltage Handset After Handset s DSP IC201 or EEPROM IC202 replacement Re writing Battery Low voltage to EEPROM is required With following Handset Adjustment Flow adjust DC power supply and DC voltmeter by the procedure below 1 Set DC power supply to 3 9V 2 Set up Handset i...

Страница 71: ... 2438 372900 2438 183057 44 2439 266748 2439 076904 45 2440 156641 2439 966797 46 2441 050488 2440 860645 47 2441 940381 2441 750537 48 2442 834229 2442 644385 49 2443 724121 2443 534277 50 2444 617969 2444 428125 51 2445 507861 2445 318018 52 2446 401709 2446 211865 53 2447 291602 2447 101758 54 2448 185449 2447 995605 55 2449 075342 2448 885498 56 2449 969189 2449 779346 57 2450 859082 2450 6692...

Страница 72: ... list and etc This operation should not be performed for a usual repair 7 4 9 1 Base unit 7 4 9 2 Handset Note 1 Be careful not to press TALK button in case Handset registration to Base Unit is cancelled 2 Be sure to short the battery terminals of the Handset with a lead wire etc for 2 seconds for discharge after removing the battery 71 KX FC379CX ...

Страница 73: ... L203 Q201 L208 Q205 Q206 IC205 IC203 Q212 D205 D206 Q208 Q209 Q210 Q204 C220 C213 RA201 X201 IC208 CHG1 CHG2 VSS VBAT RX TX VBAT2 VSS2 RST PDN MICM SPP RXI RSSI TXO DEMOD RECEIVER SP PHONE BCK SPM MICP VCC INT_0 VE_HK ANT ANT GND SSG FREQUENCY COUNTER 1 AC VOLT METER DC VOLT METER DC POWER SUPPLY MONITOR SP 8 OSCILLOSCOPE SPM SPP MIC_M MIC_P OSC 1 1kHz MIC LOAD 47 47 150 SPP SPM RSSI AC VOLT METE...

Страница 74: ...01 R415 R410 R409 JJ202 C508 C560 C802 C808 C807 R806 R803 R333 DG Q201 R706 R507 1 IC701 L500 C701 R501 C554 IC501 1 31 51 81 C553 PDN R805 C812 R804 C810 C801 L800 LGS RSSI C605 R212 C208 C518 C441 C321 C207 C210 R216 R217 R221 C213 C511 C512 R504 INT1 CN2 CN1 4 1 1 13 R220 R208 R222 R521 R505 R506 R202 R225 R522 C532 C533 R211 R210 R209 R508 C606 C502 C629 C628 C630 Q800 R807 C813 X801 C809 C80...

Страница 75: ...ine 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 74 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...

Страница 76: ...IGHT 3 DARKER NORMAL OK 059 Copy phone book 1 ITME ALL ITEM 1 ITEM NG 060 Message transfer ON OFF OFF NG 061 Transfer greeting CHECK RECORD ERASE CHECK NG 067 ICM monitor 1 ON 2 OFF ON OK 070 Pager call ON OFF OFF NG 072 Set flash mode 1 90ms 2 100ms 3 110ms 4 250ms 5 300ms 6 400ms 7 600ms 8 700ms 700ms OK 076 Connecting tone 1 ON 2 OFF ON OK 077 Auto answer mode 1 TAM FAX 2 FAX Only TAM FAX OK 08...

Страница 77: ...31 CPC mode 1 A 2 B 3 OFF A OK 732 Auto disconnect 1 350ms 2 1800ms 3 OFF 350msec OK 745 Power on film feed 1 ON 2 OFF ON OK 763 CNG detect time for friendly reception 1 10s 2 20s 3 30s 30s OK 771 T1 timer 1 60s 2 90s 60s OK 774 T4 timer 00 99 x 100ms 00ms OK 775 Monitoring of message transfer 1 ON 2 OFF OFF OK 784 Voice prompt 1 Start NG 815 Sensor VOX test NG 841 Digital SP Phone RX TX check 1 S...

Страница 78: ...7 6 THE EXAMPLE OF THE PRINTED LIST 7 6 1 User Mode Note The above values are the default values 77 KX FC379CX ...

Страница 79: ...7 6 2 Service Mode Settings Note The above values are the default values 78 KX FC379CX ...

Страница 80: ...7 6 3 History Note See the following descriptions of this report Item No 1 44 are corresponding to the listed items in Descriptions of the History Report P 80 79 KX FC379CX ...

Страница 81: ...sed either TONE or PULSE 19 RECEIVE REDUCTION The compression rate when receiving 20 SETTING NO OF DIRECTORY The recorded directory stations 21 NUMBER OF COPY The number of pages copied 22 NUMBER OF RECEIVE The number of pages received 23 NUMBER OF SENDING The number of pages sent 24 NUMBER OF CALLER ID The number of times Caller ID was received 25 NUMBER OF RECORDING MESSAGE The number of message...

Страница 82: ...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 83 Difficult problems may be hard to determine so repeated testing is ...

Страница 83: ...is Received P 94 Black or white vertical line See Black or White Vertical Line P 94 Black or white lateral line on print out See Black or White Lateral Line on Print Out P 95 An abnormal image is printed See An Abnormal Image is Printed P 96 Communication FAX TEL analog board Cannot communicate by fax An error code is displayed See Communication Section P 97 and How to Output the Journal Report P ...

Страница 84: ...561 Refer to TEST FUNCTIONS P 58 LED check OK NG Service code 557 Refer to TEST FUNCTIONS P 58 LCD check OK NG Service code 558 Refer to TEST FUNCTIONS P 58 Sensor Sensor check OK NG Service code 815 Refer to TEST FUNCTIONS P 58 Clock Display changing OK NG Is the time kept correctly Check with another clock Digital TAM Greeting REC PLAY OK NG Incoming message REC PLAY OK NG Memo REC PLAY OK NG Vo...

Страница 85: ...NCE Digital Board Section P 119 Power Supply Board Section P 131 Sensor Section P 135 TEST FUNCTIONS P 58 How to Remove the Gear Block and Separation Roller P 45 How to Remove the Gears Motors and Arms of the Gear Block P 46 Stepping Motor Drive Circuit RX P 164 84 KX FC379CX ...

Страница 86: ...7 7 4 2 Document Jam CROSS REFERENCE TEST FUNCTIONS P 58 Sensor Section P 135 DISASSEMBLY INSTRUCTIONS P 34 85 KX FC379CX ...

Страница 87: ...tc sometimes the document will not be fed Fig B CROSS REFERENCE MAINTENANCE P 24 DISASSEMBLY INSTRUCTIONS P 34 Note When confirming if the characters are extended or distorted or if the feed problem is occurred use this test chart format Fig B 86 KX FC379CX ...

Страница 88: ...ument Skew We recommend making a copy of the Fig B document in Multiple Document Feed P 86 and using it CROSS REFERENCE Maintenance Check Items Component Locations P 24 DISASSEMBLY INSTRUCTIONS P 34 87 KX FC379CX ...

Страница 89: ...86 and using it CROSS REFERENCE INSTALLING THE RECORDING PAPER P 19 Digital Board Section P 119 Power Supply Board Section P 131 Sensor Section P 135 TEST FUNCTIONS P 58 How to Remove the Pickup Roller and Antenna P 41 How to Remove the Gears Motors and Arms of the Gear Block P 46 BACK COVER SECTION P 210 88 KX FC379CX ...

Страница 90: ...7 7 4 6 Paper Jam CROSS REFERENCE Sensor Section P 135 TEST FUNCTIONS P 58 DISASSEMBLY INSTRUCTIONS P 34 SENSORS AND SWITCHES P 166 89 KX FC379CX ...

Страница 91: ... Fax Data is Skewed We recommend making a copy of the Fig B document in Multiple Document Feed P 86 and using it CROSS REFERENCE Document Skew P 87 7 7 4 9 The Received Fax Data is Skewed We recommend making a copy of the Fig B document in Multiple Document Feed P 86 and using it CROSS REFERENCE Recording Paper Multiple Feed and Skew P 90 90 KX FC379CX ...

Страница 92: ...7 7 4 10 Received or Copied Data is Expanded We recommend making a copy of the Fig B document in Multiple Document Feed P 86 and using it CROSS REFERENCE DISASSEMBLY INSTRUCTIONS P 34 91 KX FC379CX ...

Страница 93: ...ed We recommend making a copy of the Fig B document in Multiple Document Feed P 86 and using it CROSS REFERENCE A Blank Page is Received P 94 TEST FUNCTIONS P 58 How to Remove the Thermal Head P 39 Thermal Head P 161 92 KX FC379CX ...

Страница 94: ...93 KX FC379CX ...

Страница 95: ...ied P 92 Check Sheet P 126 TEST FUNCTIONS P 58 7 7 4 13 Black or White Vertical Line We recommend making a copy of the Fig B document in Multiple Document Feed P 86 and using it CROSS REFERENCE Thermal Head Cleaning P 32 How to Remove the Thermal Head P 39 94 KX FC379CX ...

Страница 96: ...t We recommend making a copy of the Fig B document in Multiple Document Feed P 86 and using it CROSS REFERENCE A Blank Page is Copied P 92 Digital Board Section P 119 TEST FUNCTIONS P 58 Maintenance Check Items Component Locations P 24 95 KX FC379CX ...

Страница 97: ...rmal Image is Printed We recommend making a copy of the Fig B document in Multiple Document Feed P 86 and using it CROSS REFERENCE Check Sheet P 126 TEST FUNCTIONS P 58 How to Remove the Thermal Head P 39 96 KX FC379CX ...

Страница 98: ...metimes fails The unit can copy documents Troubleshooting Problem with the service line or with the transmitter 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...

Страница 99: ...7 7 5 1 Defective Facsimile Section 7 7 5 1 1 Transmit Problem CROSS REFERENCE MAINTENANCE P 24 ADF Auto Document Feed Section P 84 Operation Panel Section P 134 98 KX FC379CX ...

Страница 100: ...7 7 5 1 2 Sometime There is a Transmit Problem Note 596 Transmit level set represents a service code Refer to Service Function Table P 56 99 KX FC379CX ...

Страница 101: ...APER when the fax switches to 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 causes are shown below CHECK...

Страница 102: ...7 7 5 1 4 The Unit can copy but cannot Transmit Receive CROSS REFERENCE Analog Board Section P 126 TEST FUNCTIONS P 58 101 KX FC379CX ...

Страница 103: ... manually if possible Another possibility is entering two pauses at the end of the auto dial number on the transmission side Then the count start time can be delayed for 2 pauses about 10 sec Cause 2 Erroneous detection because of an echo or an echo canceler Echo Echo Canceler The signal from FAX1 reaches FAX2 via stations 1 and 2 but the reflection signal at station 2 also returns via station 1 e...

Страница 104: ...rime of 75 msec between the CED signal and DIS signal to 500 msec This will give at least 250 msec to recover the echo canceler operation Refer to Fig c Service code 593 Time between CED and 300 bps 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 594 Overseas DIS detection select 3 Sendin...

Страница 105: ...ion and reception image are incorrect 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 8...

Страница 106: ...g up FAX SIGNAL RECORDING JIG 3 Connecting PC and JIG 4 PC setting and recording 1 Set LINE IN to be valid in the volume control setting Refer to the PC instruction book 2 Start up the PC software SOUND RECORDER This software is bundled to Windows OS which can create WAV file Set the audio format PCM 22 050kHz 8bit mono 3 Click the record button and start recording after acquisition the signal Not...

Страница 107: ...OT RESONDING 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 65 COMMUNICATION ERROR SND DCN is received before DIS reception 2 65 COMMUNICATION ERROR RCV Reception is not EOP EOM PIP PIN RTP or...

Страница 108: ...107 KX FC379CX ...

Страница 109: ...CROSS REFERENCE TEST FUNCTIONS P 58 108 KX FC379CX ...

Страница 110: ...CROSS REFERENCE TEST FUNCTIONS P 58 109 KX FC379CX ...

Страница 111: ...CROSS REFERENCE TEST FUNCTIONS P 58 110 KX FC379CX ...

Страница 112: ...CROSS REFERENCE TEST FUNCTIONS P 58 111 KX FC379CX ...

Страница 113: ...112 KX FC379CX ...

Страница 114: ...113 KX FC379CX ...

Страница 115: ...CROSS REFERENCE TEST FUNCTIONS P 58 114 KX FC379CX ...

Страница 116: ...mation 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 standard...

Страница 117: ... 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 7 TURN ON Means the unit started to receive after 10 rings Rem...

Страница 118: ... 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 7 7 5 2 2 Journal 3 Refer to JOURNAL 3 in Printout Example P 117 Descriptions 7 7 5 2 3 Printout Example 117 KX FC379CX ...

Страница 119: ...118 KX FC379CX ...

Страница 120: ...ons 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 Resistor Array But if you have an oscilloscope you can easily determine the problem site or IC malfunction b...

Страница 121: ...gnal 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 The following shows NG and normal wave patterns NG Wave pattern Refer to NG EXAMPLE 120 KX FC379CX ...

Страница 122: ...d the circuit will not work Nor will it if the IC is defective and the output voltage level is not normal 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 sho...

Страница 123: ...I O and Pin No Diagram 122 KX FC379CX ...

Страница 124: ...7 7 6 2 Check the Status of the Digital Board First please check voltages and oscillation whether they are correct as follows 123 KX FC379CX ...

Страница 125: ...Other NG example while the power is ON and the LCD displays the following 124 KX FC379CX ...

Страница 126: ...7 7 6 3 NG Example 125 KX FC379CX ...

Страница 127: ...hone and the signal 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 7 7 ...

Страница 128: ...127 KX FC379CX ...

Страница 129: ...nal 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 126 is...

Страница 130: ...shooting procedures between the two types At the start of communication during the initial 2 3 correspondences the digital speakerphone performs half duplex operation alternating between transmission Tx and reception Rx Then duplex communication becomes available Learning occurs during the initial 2 3 correspondences in order to set the appropriate parameters for duplex communication You cannot ch...

Страница 131: ...Note Check to the SP Phone Rx Tx signal routes Refer to Check Sheet P 126 130 KX FC379CX ...

Страница 132: ...est 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 the...

Страница 133: ...7 7 9 2 Troubleshooting Flow Chart 132 KX FC379CX ...

Страница 134: ...st case 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 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 ...

Страница 135: ...7 7 10 Operation Panel Section 7 7 10 1 No Key Operation CROSS REFERENCE TEST FUNCTIONS P 58 7 7 10 2 No LCD Indication CROSS REFERENCE TEST FUNCTIONS P 58 134 KX FC379CX ...

Страница 136: ...sor read position sensor recording paper sensor are turned ON OFF by the copy operation 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 7 7 11 1 Check the Document Top SW SW351 REMOVE DOCUMENT 7 7 11 2 Check the Document Set Sensor PS301 CHECK...

Страница 137: ...7 7 11 4 Check the Paper Top SW SW402 PAPER JAMMED 7 7 11 5 Check the FILM SENSOR SW401 CHECK FILM SLACK 136 KX FC379CX ...

Страница 138: ...7 7 12 CIS Contact Image Sensor Section Refer to Scanning Block P 163 CROSS REFERENCE TEST FUNCTIONS P 58 137 KX FC379CX ...

Страница 139: ...7 7 13 Thermal Head Section Refer to Thermal Head P 161 138 KX FC379CX ...

Страница 140: ...7 7 14 1 Battery won t Charge Analog Board 7 7 14 2 Battery won t Charge Handset 7 7 14 3 No Voice Reception CROSS REFERENCE Check Sheet P 126 7 7 14 Cordless Section 139 KX FC379CX ...

Страница 141: ...7 7 14 4 No Voice Transmission CROSS REFERENCE Check Sheet P 126 7 7 15 Check Link CROSS REFERENCE Check the RF Part P 141 Power Supply Circuit P 195 140 KX FC379CX ...

Страница 142: ...t 7 7 16 1 Finding Out the Defective Part After All the Checkings or Repairing Re register Handset to be checked to Base Unit to be checked and HS to BU Regular unit working 7 7 16 1 1 Re registering a Handset 141 KX FC379CX ...

Страница 143: ...7 7 16 1 2 RF Check Flowchart Each item 1 6 of RF Check Flowchart corresponds to Check Table for RF part P 143 Please refer to the each item 142 KX FC379CX ...

Страница 144: ...ce the HS about 15cm away from the Regular BU 2 Confirm that RSSI of the Regular BU is approximately 2V by Oscilloscope 6 5 RX Sensitivity confirmation Regular HS BU Mode Test Burst Mode 1 HS BU to be checked Mode RX CW Mode 4 1 Place the Regular HS about 15cm away from the BU 2 Confirm that RSSI of the BU is approximately 2V by Oscilloscope 5 1 Place the HS about 15cm away from the Regular BU 2 C...

Страница 145: ... Link Mode 1 1 Register Regular HS to BU to be checked 2 Set BU to Test Link mode 3 Set Regular HS to Test Link mode Set TX Power and RX Sensitivity of the BU and Regular HS by CHART1 At distance of about 20m between HS and BU Link OK RX Sensitivity of the BU is OK No Link RX Sensitivity of the BU is NG 1 Register HS to be checked to Regular BU 2 Set Regular BU to Test Link mode 3 Set HS to Test L...

Страница 146: ...7 7 16 1 5 RF DSP interface signal wave form 145 KX FC379CX ...

Страница 147: ...r to Check the RF Part P 141 7 7 16 4 Check Caller ID Cross Reference Bell Detection Circuit P 178 Calling Line Identification Circuit P 180 Note Make sure the format of the Caller ID or Call Waiting Caller ID service of the Telephone company that the customer subscribed to Also we recommend to confirm that the customer is really a subscriber of the service 146 KX FC379CX ...

Страница 148: ...8 CIRCUIT OPERATIONS 8 1 CONNECTION DIAGRAM 147 KX FC379CX ...

Страница 149: ...3 Dynamic RAM IC503 This memory is used mainly for the parameter working in the storage area 4 MODEM IC505 Performs the modulation and the demodulation for FAX communication 5 Read Section CIS image sensor to read transmitted documents 6 Motor Driver IC508 IC509 Drives the transmission motor and the reception motor 7 Thermal Head Contains heat emitting elements for dot matrix image printing 8 Anal...

Страница 150: ...8 2 1 General Block Diagram CROSS REFERENCE Analog Board Block Diagram P 177 Cordless Base Board Block Diagram P 193 149 KX FC379CX ...

Страница 151: ... RESET 24V XRESETI XORESET XRESET XBACKEN RESET IC IC507 3 3V BATT 2 5V BATT BATT 24 000MHz 32 768KHz TX RX TO ANALOG PCB 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 FILM END 3 3V 3 3V CN504 CN503 CN505 CN512 CN506 CN501 SW501 IC509 MOTOR DRV CISLEDON IC524 BUFFER 32 256MHz 3 3V VDET Q505 3 3V 2 5V Q506 2 5V BATT 3 3V BATT IC518 4M FLASH IC523 FLIP FLOP...

Страница 152: ...8 3 2 Memory Map 151 KX FC379CX ...

Страница 153: ... 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 Panel 10 I O PORT I O Port Interface 11 ANALOG UNIT Ele...

Страница 154: ...S CLK 17 F2 OP O 3 3V OUTPUT PORT THON 18 FR OP O 3 3V OUTPUT PORT MDMRST 19 CPC I 3 3V INPUT PORT CPC 20 RVN I 3 3V INPUT PORT REED 21 IRDATXD IOP O 3 3V OUTPUT PORT CISLED 22 IRDARXD IOP80 I 3 3V INPUT PORT CSI 23 TXD IOP I 3 3V INPUT PORT FILMEND 24 RXD IOP O 3 3V OUTPUT PORT LINE RLY 25 XRTS IOP I 3 3V INPUT PORT BELL 26 XCTS IOP O 3 3V OUTPUT PORT SPMUTE 27 VDD 2 5V POWER SOURCE 2 5V 28 TONE1...

Страница 155: ...S 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 ADR6 O 3 3V CPU ADDRESS BUS 6 90 ADR7 O 3 3V CPU ADDRESS BUS 7 91 ADR8 O 3 3V CPU ADDRESS BUS 8 92 ADR9 O 3 3V CPU ADDRESS 9 93 ADR10 O 3 3V CPU ADDRESS 10 94 ADR11 O 3 3V CPU ADDRESS 11 95 ADR12 O 3 3V CPU ADDRESS 12 96 RBA0 O 3 3V ROM RAM BANK ADDRESS 0 97 RBA1 O...

Страница 156: ... 3V MOTOR ENABLE SIGNAL 132 KSTART O 3 3V OPERATION PANEL CONTROL 133 KLATCH O 3 3V OPERATION PANEL CONTROL 134 KSCLK O 3 3V OPERATION PANEL CONTROL 135 KTXD O 3 3V OPERATION PANEL CONTROL 136 KRXD I 3 3V OPERATION PANEL CONTROL 137 FMEMCLK IOP I 3 3V INPUT PORT CCLK 138 FMEMDI IOP I 3 3V INPUT PORT CBUSY1 139 ADSEL1 O 3 3V CHANNEL SELECT SIGNAL FOR AIN2 140 VDDA 2 5V 2 5V POWER SOURCE ANALOG 2 5V...

Страница 157: ...uption a 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 ms When a watch dog error occurs pin 115 of the ASIC IC501 becomes low level The terminal of the WDERR signal is connected to the reset line so the WDERR signal works as the reset signal 156 KX FC379CX ...

Страница 158: ...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 D503 and Q506 The voltage at pin 14 of IC501 is about 2 2V When the power switch is OFF and the voltage of 3 3V decreases pin 14 of RTC IC501 beco...

Страница 159: ...ccording to 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 circuit can keep the thermal head at an even temperature in order to stabilize the printing dens...

Страница 160: ...ey are stored in RAM 4 The white black data stored as above via routes6 and 8 is input to the P S converter The white black data converted to serial data in the P S converter is input to the Thermal Head via route9 and is printed out on recording paper Note Standard Reads 3 85 times mm Fine Reads 7 7 times mm Super Fine Reads 15 4 times mm Transmission 1 Same processing as Copy items 1 3 2 The dat...

Страница 161: ...8 4 2 Block Diagram 160 KX FC379CX ...

Страница 162: ...isters of the 9 ICs are connected in series and upon the shift of the 1728 dot increment the shift register becomes filled with data and a latch pulse is emitted to each IC from IC501 pin 118 THLAT With this latch pulse all the contents of the shift registers are latched to the latch registers Thereafter through the addition of strobes from the IC501 pins 103 104 only the dot location of black 1 a...

Страница 163: ...162 KX FC379CX ...

Страница 164: ...o a high level and the transistor Q507 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 IC501 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 AIN1 pin 3 of IC501 and converted into 8...

Страница 165: ...es are output from ASIC IC501 pins 120 123 causing driver IC508 pins 10 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 13 mm of recording paper The timing chart is below When the motor suspends while it is in the receive mode about 70 80 msec pin 124 of ASIC IC501 becomes a low level and Q503 turns ...

Страница 166: ...es are output from ASIC IC501 pins 125 128 130 causing driver IC509 pins 10 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 13 mm of document paper The timing chart is below When the motor suspends while it is in the receive mode about 70 80 msec pin 131 of ASIC IC501 becomes a low level and Q504 tur...

Страница 167: ...Message Error Operation Panel PS301 Document set Sensor CHECK DOCUMENT SW351 Document top SW REMOVE DOCUMENT Digital PCB SW501 Film End Cover open SW COVER OPEN or CHECK FILM Sensor PCB SW402 Paper Top SW PAPER JAMMED SW401 Film Detection FILM EMPTY Note See TEST FUNCTIONS P 58 815 Sensor Check Sensor Locations 166 KX FC379CX ...

Страница 168: ...C301 16 pin Out of the Read Position OFF High level At the Read Position ON Low level 8 5 2 Document Set Sensor PS301 CHECK DOCUMENT When the document is set the shelter plate shuts the sensor light and the photo transistor becomes OFF The input signal of IC301 15 pin becomes a high level Usually the shelter plate is lifted the photo transistor becomes ON and the input signal of IC301 15 pin becom...

Страница 169: ... SW Signal IC501 23 pin Cover open or no film OFF High level Cover closed and set a film ON Low level 8 5 4 Paper Top Sensor SW402 PAPER JAMMED When the recording paper is loaded on the print head the SW turns ON and the input signal of IC523 44 pin Digital becomes a low level When the recording paper is not loaded on the print head the SW turns OFF and the input signal of IC523 44 pin Digital bec...

Страница 170: ... four permanent organizations of the International Telecommunications Union ITU investigates and make recommendations on international standards for facsimiles 2 Definition 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 ...

Страница 171: ...ists of the following Control time This is time at the start of transmission when the functions at the sending and receiving sides are confirmed the transmission mode is established and transmission and reception are synchronized Image transmission time This is the time required for the transmission of document contents image data In general this time is recorded in the catalog etc Hold time This ...

Страница 172: ...ication signals and the data signals added to them Data signals are added to DIS and DCS signals Signal DIS Digital Identification Signal Identification Signal Format 00000001 Function Notifies the capacity of the receiving unit The added data signals are as follows Signal DCS Digital Command Signal Identification Signal Format X1000001 Example Some models do not support the following items Bit No...

Страница 173: ...gth of 255 mm 1 Invalid 19 20 0 0 0 1 1 0 1 1 Maximum recording length capability A4 297 mm Unlimited A4 297 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 10 ms at 3 85 l mm T7 7 T3 85 5 ms a...

Страница 174: ...g to this signal TCF Training Check Sends 0 continuously for 1 5 seconds at the same speed as the training signal 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 Traini...

Страница 175: ...b Redundancy Compression Process Coding Mode This unit uses one dimensional MH format 174 KX FC379CX ...

Страница 176: ... to Check Sheet P 126 2 Facsimile Reception The analog image data which is received from the telephone line passes through the NCU section and enters pin 60 of the modem IC505 The signals that enter pin 60 of the modem IC505 are demodulated in the board to digital image signals then placed on the data bus In this case the image signals from the telephone line are transmitted serially Hence they ar...

Страница 177: ...om ASIC IC501 and the status information for the various sections is also held in ASIC IC501 Simple explanations for the various sections are given below 2 Circuit Operation NCU Section This is composed of a bell detection circuit pulse dial generation circuit CPC detect circuit vox circuit amplifier circuit for line transmission and reception sidetone circuit Extension phone line off hook detecti...

Страница 178: ...8 R141 R167 R168 C123 Q106 CPC 5VA 5VA C156 C157 D107 C109 R142 R104 R103 D110 D109 C101 PC102 RL101 LINERLY 24V Q237 R242 R243 R244 R245 Q231 Q233 R248 5VA R247 R172 Q232 L213 L211 D254 D253 D255 R294 R295 R293 24V 8V CH CH CH_CTL CHARGE SP SP SPMUTE R157 R134 R133 C131 C130 CN105 5VA 5VA CD FC2 FC1 GND VCC 7 6 5 8 FG R159 L101 L102 Q104 T101 5VA R271 IC102 LF101 CN102 RL101 D106 Q103 3 4 1 2 KX ...

Страница 179: ...ion Circuit 1 Circuit Operation The signal waveform for each point is indicated below The signal low level section input to pin 25 of ASIC IC501 on the digital board is read by ASIC and judged as a bell TEL LINE PC102 1 2 4 IC501 25 8 8 4 Pulse Dial Circuit and ON OFF Hook Circuit While OFF HOOK RL101 is ON Q103 turns on by pin 24 of IC501 as well On the other hand while ON HOOK Q103 turns OFF by ...

Страница 180: ...t that the telephone connected in parallel to the same line is OFF HOOK while the unit picks up the line 2 Circuit Operation If the line is picked up C158 is charged by the following path shown below Tip Ring D107 R159 D108 R161 Q104 PC103 If a telephone connected in parallel goes into OFF HOOK status the base of Q104 becomes low and PC103 turns OFF When the line is connected Q104 and PC103 turn o...

Страница 181: ...an FSK Frequency Shift Keying format Data 0 is a 1200 Hz sine wave and data 1 a 2200 Hz sine wave There are two type of the message format which can be received i e the single data message format and multiple 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 th...

Страница 182: ...hile off hook on an existing call to receive information about a calling party on a waited call The transmission of the calling information takes place almost immediately after the customer is alerted to the new call so he she can use this information to decide whether to take the new call 181 KX FC379CX ...

Страница 183: ...he conversation over the handset i e the transmitted and received voices to and from the handset 2 Signal path Transmission signal Refer to Check Sheet P 126 3 Signal path Reception signal Refer to Check Sheet P 126 8 9 4 Monitor Circuit 1 Function This circuit monitors various tones such as 1 DTMF tone 2 Alarm Beep Key tone Bell 3 Dummy ring back tone 2 Signal path a DTMF MONITOR Speaker Operatio...

Страница 184: ...Gate Array IC301 and ASIC IC501 on the DIGITAL BOARD The key matrix table is shown below CN301 CN504 IC501 ASIC LCD MODULE GATE ARRAY IC301 CN302 DOCUMENT TOP SW DOCUMENT SET SW CHARGE LED AUTO ANSWER 8x5 KEYS MATRIX DIGITAL BOARD OPERATION BOARD XL11 12 13 LED2 KIN0 7 KSL0 4 KX FC379CX OPERATION BOARD BLOCK DIAGRAM Key Matrix 183 KX FC379CX ...

Страница 185: ...03 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 DIsplay mode Density Normal Dark 2 lines X1 0 LED1 IC301 22pin H L XL14 IC301 20pin Hi Z L XL15 IC301 21pin L L 1 line X1 5 LED1 H H XL14 Hi Z Hi Z XL15 Hi Z L 184 KX FC379CX ...

Страница 186: ...The filter circuit decreases the noise voltage and the noise electric field strength Rectifier Circuit The input current is rectified by D101 D102 D103 and 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 185 KX FC379CX ...

Страница 187: ...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...

Страница 188: ...oltage 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 det...

Страница 189: ...re shared in the same frequency The construction of RX TX frequency data is shown below It consists of 4 slots from the base unit to the cordless handset and 4 slots from the cordless handset to the base unit total 8 slots in 10ms By this slot system simultaneous air link and communication between 4 cordless handsets and the base unit can be realized One communication between cordless handset and ...

Страница 190: ...UpLink3 and UpLink4 is different frequency UpLink3 and DownLink3 use the same frequency 2 Handsets Link Traffic Bearer A link is established between Base set and handset The state where duplex communication is performed The hopping pattern of a 1800hops 18 seconds cycle Dummy Bearer The Base unit send Dummy data to the all stand by state Handsets The Handsets receive that data for keeping synchron...

Страница 191: ...rs DSP IC201 The DSP performs TDD TDMA and ADPCM decoding to convert the RX DATA into the voice signal then it is output to the speaker Transmission The voice signal entering from the microphone is led to DSP IC201 The DSP encodes ADPCM and TDD TDMA with FHSS to TX DATA The TX DATA signal enters IC101 of RF UNIT and is modulated to 2 4GHz The RF signal is fed into Tx Rx switch D903 D904 The RF sig...

Страница 192: ...8 14 2 Explanation Of Link Data Communication 8 14 2 1 Calling 8 14 2 2 To Terminate Communication 8 14 2 3 Ringing 191 KX FC379CX ...

Страница 193: ... after the Handset is placed on the base unit Finally the mode changes to trickle charge 20 mA to prevent overcharging 8 14 4 Line Sending Signal Refer to Signal Flowchart in the Whole System P 190 8 14 5 Line Receiving Signal Refer to Signal Flowchart in the Whole System P 190 192 KX FC379CX ...

Страница 194: ...2MHz IC501 DSP CHG CSI SDATA CSO SDIO CCLK SCLK CBUSY1 CBUSY2 S_ENB LOUT LIN RESET POWER_DOWN VCC VCCA VCCPA HIN SPP SPN TO DIGITAL CSI CSO CCLK CN1 KX FC379CX CORDLESS BASE BOARD BLOCK DIAGRAM Q201 SHCTRL RX_GAIN RX_RN TX_EN TX_DATA MODEM RF_RESET BSSI RX_DATA SLE RF_ UNIT SPIO SCLK SDATA ANT1 193 KX FC379CX ...

Страница 195: ...5 CORDLESS SECTION HANDSET 8 15 1 Block Diagram KX FC379CX BLOCK DIAGRAM Handset 2 5V VBATT2 3 0V IC205 D206 D213 D205 D208 D207 2 IC202 IC203 IC201 IC204 DI MOD_EN RXGAIN RSTN HSMIP HSMIN 1 194 KX FC379CX ...

Страница 196: ...n of Pin 100 The period of Host Power Up Hardware Initialization In this period the host sets up some registers in order to wake up the system The period of Host Reset Software Initialization In this period the host reads the parameter from the memory and initializes module 8 15 1 4 RF Unit Mainly voice signal is modulated to RF or it goes the other way 8 15 1 5 EEPROM IC202 All setting data is st...

Страница 197: ...n CHARGE2 and CHARGE1 flows D213 R248 Q207 pin80 of IC201 where the charge is detected Then IC201 calculates the battery consumption amount from the previous charge and it controls Q212 Q210 Q209 by pin82 of IC201 until charging is complete When charging is complete the control pattern is switched to Trickle charging form from Normal charging form 8 15 1 8 Ringer and Handset SP Phone 196 KX FC379C...

Страница 198: ...e power for the microphone is supplied from DSP 20 and the power is turned OFF on standby 8 15 1 10 Reception Signal The voice signal from the base unit is output to DSP 33 HSSPOUT This signal is led to the headset jack CN203 The signal through the headset jack and the other signal output from DSP 34 to drive the speaker When the headset is inserted to the jack the voice signal is cut at the jack ...

Страница 199: ...D A O 46 VREFR A O 47 RSSI A I 48 VCCR A I 49 GNDPLL GND 50 VCCPLL VCC 51 XOUT A O 52 XIN A I 53 GND GND 54 RSIN D I Normal Reset 55 PDN D I Power ON Power Down 56 NC 57 TXOUT D O High Low 58 MOD_EN D O High Low 59 NC 60 NC 61 NC 62 NC 63 RXEN D O Enable Disable Pin Description I O High High_Z Low 64 TXEN D O Enable Disable 65 RX_GAIN D O High_Gain Low_gain 66 RXI D I High Low 67 NC 68 NC 69 NC 70...

Страница 200: ...VCC 49 GNDPLL GND GND 50 VCCPLL VCC VCC 51 XOUT A O 52 XIN A I 53 GND GND GND 54 RESET D I Normal Reset 55 PDN D I Power On Power Down 56 FLASH_RESET D O Normal 57 TX OUT D O High Low 58 MOD_EN D O On Off 59 FLASH_SO D O Normal Pin Description I O High High_Z Low 60 FLASH_SI D O High Low 61 FLASH_CS D O Normal 62 OSC_Buf D O 63 RXEN D O Active Off 64 TXEN D O Active Off 65 RXGAIN D O High Low 66 R...

Страница 201: ...8 18 EXPLANATION OF RF UNIT TERMINALS RF Unit 8 18 1 IC901 200 KX FC379CX ...

Страница 202: ...9 REFERENCE MATERIAL DATA 9 1 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 201 KX FC379CX ...

Страница 203: ... Flux Specific Gravity 0 82 Type RMA lower residue non cleaning type Note See ABOUT LEAD FREE SOLDER PbF Pb free P 4 9 2 2 Flat Package IC Removal Procedure 1 Put plenty of solder on the IC pins so that the pins can be completely covered Note If the IC pins are not soldered enough you may give pressure to the P C board when cutting the pins with a cutter 2 Make a few cuts into the joint between th...

Страница 204: ...g with the corresponding soldering foil 2 Apply flux to all pins of the FLAT PACKAGE IC 3 Solder the pins sliding the soldering iron in the direction of the arrow 9 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 203 KX FC379CX ...

Страница 205: ...9 3 TEST CHART 9 3 1 ITU T No 1 Test Chart 204 KX FC379CX ...

Страница 206: ...9 3 2 ITU T No 2 Test Chart 205 KX FC379CX ...

Страница 207: ...10 FIXTURES AND TOOLS 206 KX FC379CX ...

Страница 208: ...11 CABINET MECHANICAL AND ELECTRICAL PARTS LOCATION 11 1 GENERAL SECTION 207 KX FC379CX ...

Страница 209: ...11 2 OPERATION PANEL SECTION Note The capacitor Ref No 26 is not included in the Microphone When you order the Microphone for replacing please also order the capacitor 208 KX FC379CX ...

Страница 210: ...11 3 UPPER CABINET SECTION 209 KX FC379CX ...

Страница 211: ...11 4 BACK COVER SECTION 210 KX FC379CX ...

Страница 212: ...211 KX FC379CX ...

Страница 213: ...212 KX FC379CX ...

Страница 214: ...11 5 LOWER CABINET P C BOARD SECTION CROSS REFERENCE GEAR BLOCK SECTION P 214 213 KX FC379CX ...

Страница 215: ...11 6 GEAR BLOCK SECTION 214 KX FC379CX ...

Страница 216: ...11 7 HANDSET SECTION 215 KX FC379CX ...

Страница 217: ...11 8 SCREWS 216 KX FC379CX ...

Страница 218: ...12 ACCESSORIES AND PACKING MATERIALS 217 KX FC379CX ...

Страница 219: ...Z RUBBER PARTS SEPARATION 17 PFUS1454Z LEAF SPRING ADF 18 PFUS1462Z COIL SPRING EARTH DOC 19 PFDG1335Z GEAR EXIT ROLLER POM HB 20 PFUV1074Y2 COVER OPERATION PANEL PS HB 21 PFDN1040Z ROLLER DOC EXIT 22 PFDE1213Z LEVER DOC SENSOR PS HB 23 PFUS1507Z TORSION SPRING ADF EARTH 24 WLK26YB04AA LEAD MIC BLACK 25 WLK26YW04AA LEAD MIC WHITE 26 ECUV1H030CCV CAPACITOR When replacing the MIC Ref No 13 to new on...

Страница 220: ...N SPRING EARTH SHAFT 168 PFHX1670Z SPACER ROLLER SHEET 169 PFDR1014Z ROLLER DOC SEPARATION POM HB 170 PFDF1099Z SHAFT DOC SEPARATION POM HB Ref No Part No Part Name Description Remarks 171 PFJS03P72Y CONNECTOR 3 PIN 172 PQMX10010Z COVER TUBE 173 PQJS02Q59W CONNECTOR 2 PIN 174 WLR18YK26CM4 LEAD WIRE 13 1 7 Gear Block Section Ref No Part No Part Name Description Remarks 180 PFMH1129Y ANGLE GEAR BASE...

Страница 221: ...Q529 B1ABDF000025 TRANSISTOR SI Q533 B1ABDF000025 TRANSISTOR SI DIODES D501 PFVDRMRLS245 DIODE SI S D502 MA7160 DIODE SI D503 PFVDRMRLS245 DIODE SI S D504 PFVDRMRLS245 DIODE SI S D505 MA7160 DIODE SI Ref No Part No Part Name Description Remarks BATTERY BAT501 PFSU1004Z LITHIUM BATTERY CONNECTORS CN501 PQJP16A19Z CONNECTOR 16 PIN S CN502 PQJP5G30Z CONNECTOR 5 PIN S CN503 PQJP7G30Z CONNECTOR 7 PIN S...

Страница 222: ...GEYJ224 220k R712 ERJ3GEYJ224 220k R713 ERJ3GEYJ331 330 R714 ERJ3GEYJ123 12k R715 ERJ3GEYJ103 10k Ref No Part No Part Name Description Remarks R717 ERJ3GEYJ102 1k R734 ERJ3GEYJ472 4 7k R745 ERJ3GEY0R00 0 R748 ERJ3GEY0R00 0 R749 ERJ3GEY0R00 0 R750 ERJ3GEYJ101 100 R751 ERJ3GEYJ103 10k R757 ERJ3GEYJ471 470 R758 ERJ3GEYJ103 10k R759 ERJ3GEYJ273 27k R760 ERJ3GEYJ224 220k R761 ERJ3GEYJ472 4 7k R763 ERJ3...

Страница 223: ...104ZFV 0 1 13 3 ANALOG BOARD PARTS Ref No Part No Part Name Description Remarks PCB2 PFLP1632CXZ ANALOG BAORD ASS Y RTL ICs IC102 C1CB00001909 IC IC103 C0ABEB000052 IC Ref No Part No Part Name Description Remarks TRANSISTORS Q103 PQVTDTC143E TRANSISTOR SI S Q104 2SC4081S TRANSISTOR SI S Q106 B1AAKL000006 TRANSISTOR SI Q231 2SD2137 TRANSISTOR SI Q232 2SC4081S TRANSISTOR SI S Q233 2SC4081S TRANSISTO...

Страница 224: ...UV1E104ZFV 0 1 C305 ECUV1C104KBV 0 1 C306 ECJ1VB1H221K 220P C501 ECUV1H103KBV 0 01 C502 ECUV1H103KBV 0 01 C508 ECEA1CKS470 47 S 13 4 OPERATION BOARD PARTS Ref No Part No Part Name Description Remarks PCB3 PFWP2FPG379M OPERATION BOARD ASS Y RTL ICs IC301 C1ZBZ0002089 IC IC351 PQVINJM4580M IC S DIODES LED301 LNJ801LPDJA LED LED303 B3AAB0000201 LED SWITCHES SW301 EVQ11Y05B SWITCH S SW302 EVQ11Y05B SW...

Страница 225: ...07 MA4220 DIODE SI S D108 PFVDAU02Z DIODE SI S D201 PFVDYG901C2R DIODE SI S D202 PFVDRK36 DIODE SI S Ref No Part No Part Name Description Remarks CONNECTORS CN301 PQJP7G30Y CONNECTOR 7 PIN S CN302 PQJP2G30Y CONNECTOR 2 PIN S CN31 PQJP2D98Z CONNECTOR 2 PIN S FUSE F101 PFBAST250315 FUSE S COIL L101 ELF15N005A COIL COMPONENTS PARTS L103 EXCELDR35 COMPONENTS PARTS PHOTO ELECTRIC TRANSDUCER PC101 PFVIP...

Страница 226: ...Ref No Part No Part Name Description Remarks R220 ERJ3GEY0R00 0 R221 ERJ3GEY0R00 0 R222 ERJ3GEYJ101 100 R223 ERJ3GEYJ103 10k R224 ERJ3GEYJ472 4 7k R227 ERJ3GEYJ102 1k R228 ERJ3GEY0R00 0 R333 ERJ3GEYJ224 220k R414 ERJ3GEYJ222 2 2k R501 ERJ3GEYJ103 10k R502 ERJ3GEYJ102 1k R508 ERJ3GEY0R00 0 R521 ERJ3GEYJ103 10k R522 ERJ3GEYJ103 10k R543 ERJ3GEYJ472 4 7k R603 ERJ3GEYJ472 4 7k R604 ERJ3GEYJ472 4 7k R6...

Страница 227: ...1 DIODE SI S D205 B0JCMD000010 DIODE SI D206 B0JCMD000010 DIODE SI D207 B0JCMD000010 DIODE SI Ref No Part No Part Name Description Remarks D208 B0JCMD000010 DIODE SI D213 MA132WK DIODE SI S D217 MA8047 DIODE SI S D218 MA8047 DIODE SI S D219 MA8047 DIODE SI S D220 MA8047 DIODE SI S D903 B0DCCD000011 DIODE SI D904 B0DCCD000011 DIODE SI LED201 PQVDSML310MT LED S LED202 PQVDSML310MT LED S LED203 PQVDS...

Страница 228: ...F1J0J1060006 10 C306 ECUE1H471KBQ 470P S Ref No Part No Part Name Description Remarks C308 F1G0J1050007 1 S C309 ECUE1A104KBQ 0 1 C311 ECUE1H3R0CCQ 3P C312 ECUE1A104KBQ 0 1 C901 ECUE1H100DCQ 10P S C903 ECUE1H100DCQ 10P S C904 ECUE1H010CCQ 1P S C910 ECUE1H010CCQ 1P S C911 ECUE1H100DCQ 10P S C915 ECUE1H100DCQ 10P S C917 ECUE1H100DCQ 10P S C918 ECUE1H100DCQ 10P S C921 ECUE1H100DCQ 10P S C922 ECUE1H10...

Страница 229: ...IN EC10 PQZZ5K6Z EXTENSION CORD 5 PIN EC11 PQZZ3K5Z EXTENSION CORD 3 PIN EC12 PQZZ13K9Z EXTENSION CORD 13 PIN EC13 PQZZ2K1Z EXTENSION CORD 2 PIN EC14 PQZZ2K13Z EXTENSION CORD 2 PIN KM79811245C0 BASIC FACSIMILE TECHNIQUE for training service technicians Note Tools and Extension Cords are useful for servicing They make servicing easy 228 KX FC379CX ...

Страница 230: ...C611 R604 R531 C605 C545 R545 C529 C735 R785 C664 C521 R533 C519 C518 C531 C533 C536 C609 R529 R630 C509 R523 R522 C516 C513 C663 C514 C733 C515 R764 R761 R508 C554 R564 C550 C599 C563 C553 C705 C598 R561 C704 C714 R535 C512 C508 R719 R524 C578 C703 C702 C520 R558 C732 C535 R577 C532 R578 C561 L516 L517 C539 R567 R565 C530 C569 C566 AG_M 2 2V PbF C537 C525 C523 C524 C662 3 3V BAT R532 2 5V BAT MFC...

Страница 231: ...762 R695 R780 5VA R747 R706 R789 C713 R748 R693 R694 Q529 C689 C692 C693 C564 C565 C574 2 2V R777 C694 C575 C583 R714 R715 R713 C674 Q532 PCB CH Q524 Q525 Q531 CN514 CN510 1 4 C612 1 10 1 16 IC518 C610 C728 Q505 Q503 R778 R626 XTEST R553 R552 R634 X502 R549 E E IC524 R784 L543 R708 R709 R707 C687 R710 R760 C672 R691 R690 L537 16 1 CN501 REF CH C684 C712 C669 C670 C681 R704 R779 R787 8 5 1 4 IC521 ...

Страница 232: ...E E R244 R245 R243 R248 R157 R156 R142 R242 WHITE CH CH A RED KX FC379CX ANALOG BOARD BOTTOM VIEW C115 R125 R191 C182 C118 C112 R112 C511 R118 R117 R115 C113 R114 C114 D257 Q107 Q104 R265 R266 C516 C518 D107 R168 Q115 C517 C315 R264 R263 R160 R198 R299 C134 R298 R161 E CN201 E PC103 PC107 R162 R116 C184 C183 C110 R113 C513 L220 R269 R119 IC103 4 1 5 8 2V C168 R282 R268 L219 R300 C231 Q232 R247 R17...

Страница 233: ...40 D111 C159 PC105 PC103 POWER 8V PbF PFUP1467Z A PC107 C167 J160 J162 PCB CH J186 R292 R294 R293 R295 D256 L211 L213 L214 JJ113 AUTO CH J111 R110 C117 D103 D102 C101 C109 J157 J170 C130 Q236 Q231 J152 R135 J156 J163 J164 J142 J150 C133 CN105 1 2 SP PC102 LF101 ZNR101 C158 T101 RL101 D106 E E D254 D253 JJ114 PC106 POS101 SA101 CN103 CN102 A KX FC379CX ANALOG BOARD COMPONENT VIEW KX FC379CX 232 ...

Страница 234: ...EW CN301 10 1 JJ309 JJ329 C351 JJ320 JJ316 PCB CH JJ330 JJ322 JJ310 JJ327 JJ307 C303 JJ301 JJ323 LED302 LED301 1 CN302 SW321 CONF JJ302 JJ303 JJ304 JJ305 JJ306 SW303 SW304 SW301 SW302 SW336 JJ313 JJ314 JJ315 STOP SW337 JJ319 SW326 SW323 HELP SW331 MENU ERASE HOLD SW324 SW328 MEMO SW329 SW332 SW335 SW333 SW330 PS301 SW334 PREV JJ326 REC GREETING NAVIGATOR SW327 SW325 JJ321 JJ311 JJ312 JJ318 JJ317 A...

Страница 235: ... D202 R205 J1 R137 ZNR101 L101 C106 R101 CN31 N L N C202 D201 R203 R224 C201 C204 C203 J7 BOTTOM VIEW KX FC379CX POWER SUPPLY BOARD COMPONENT VIEW D101 D104 SRF1772EK D102 250V T3 15A D103 R102 R105 R109 R104 R107 D105 C110 D202 R205 C108 D106 R106 R103 R136 C105 C103 D107 C102 C101 J1 J2 J4 J3 J6 1 IC101 C106 D108 R108 T101 7V 0 5A 1 5A 24 5V GND R203 R202 C201 C204 CN302 CN301 1 1 2 7 C203 R137 ...

Страница 236: ...01 L990 ANTG ANTG ANT C215 C608 IC601 C607 C209 C206 C212 PbF C211 C204 C521 R213 R207 R223 R228 R543 R503 R205 IC521 A 1 R227 INT0 IC201 C205 1 C501 R415 R410 R409 JJ202 C508 C560 C802 C808 C807 R806 R803 R333 DG Q201 R706 R507 1 IC701 L500 C701 R501 C554 IC501 1 31 51 81 C553 PDN R805 C812 R804 C810 C801 L800 LGS RSSI C605 R212 C208 C518 C441 C321 C207 C210 R216 R217 R221 C213 C511 C512 R504 INT...

Страница 237: ...6 C917 C937 C960 C984 C983 RA901 C964 C995 C966 C965 C943 C946 C941 C993 C944 C942 C994 L990 C992 C985 FL901 L901 R903 C910 R992 R991 L904 L913 C911 C904 C913 D903 D904 C901 C912 L903 L909 C940 C939 L911 C918 C915 C921 C903 C920 C981 C914 R909 C996 C922 C991 C990 C952 C958 C957 C959 L905 L912 C938 L205 C322 C226 C229 R274 R277 R275 R220 R278 C205 C206 C209 L203 Q201 C291 C203 C204 R247 R234 C280 R...

Страница 238: ...04 LED201 LED202 9 0 SYA MIC HOLD FLASH REDIAL RIGHT LED208 Q213 R208 LED205 RA207 C211 R217 R218 C210 CA202 CA203 LED206 LED207 R201 R202 R203 R204 KX FPC379CX HANDSET BOARD Bottom View 14 7 SENSOR BOARD PCB7 SW401 A SW402 PFUP1467Z B PbF CN401 1 3 CHECK KX FC379CX SENSOR BOARD KX FC379CX 237 ...

Страница 239: ... 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 238 KX FC379CX ...

Страница 240: ...P47 42 20KOSC IOP56 43 XWAIT IOP60 44 XHSTRD IOP40 45 XHSTWR IOP41 46 XDPRBE MUX OP53 47 ADR15 OP 48 ADR14 OP 49 ADR13 OP 50 VDD2 5V 51 XOUT 52 XIN 53 VSS 54 VDD3 3V 55 XTEST 56 TEST1 57 TEST2 58 TEST3 59 TEST4 60 XMDMINT 61 XMDMCS 62 XRAS IOP42 63 XCAS1 IOP43 64 XCAS2 IOP44 65 XRESCS2 OP71 66 DB3 67 DB2 68 DB4 69 DB1 70 DB5 71 VDD3 3V 72 VSS 73 VSS 74 VDD3 3V 75 DB0 76 DB6 77 DB7 78 XR0MCS 79 XRD...

Страница 241: ...AGND3 59 NC 60 LINEIN_P 61 MICP_P 62 MICM_P 63 MICBIAS_P 64 NC 65 NC 66 VREF_P 67 VC_P 68 VAA_P 69 LINEOUT_P 70 AGND4 71 SPKRP_P 72 SPKRM_P 73 AVDD_P 74 NC 75 ICLK_P 76 MCLK_S NC 77 VDD2 78 D7 79 D6 80 D5 81 D4 82 D3 83 D2 84 DGND2 85 VDD3 86 D1 87 DGND3 88 D0 89 CSBR 90 WRITE 91 CS 92 READ 93 GPI2 94 GPI3 95 GPI4 96 GPI5 97 GPI6 98 GPI7 99 GPO7 100 VDD4 101 GPO6 102 GPO5 103 RESERVED 104 GPO4 105...

Страница 242: ... C502 K0 01u JJ111 NC C509 NC Z0 1u C168 2 2K R282 C113 NC C114 K0 012 C118 K0 1u C112 K0 1u C115 K390p C510 NC R118 56K 0 5A F301 CN109 1 GND 2 GND 3 8V 1K R202 R275 NC CN201 1 DCN 2 P_SHORT 3 CPC 4 ALC 5 5VA 6 AG 7 C_IN 8 LINERX 9 LINETX 10 SPOUT 11 24V 12 BELL 13 LINERLY 14 SPMUTE 15 CH_CTL 16 CHARGE C511 NC C514 NC C515 NC C513 NC L220 0 L221 0 L222 0 L217 0 L218 0 L219 0 C516 NC L223 0 C518 N...

Страница 243: ...0p C133 NC RL101 3 5 4 RL101 1 2 C158 16V220u R159 39K 1 4W 5VA R161 10K R162 4 7K Z0 1u C160 R142 5 6K JJ113 0 Q233 L214 NC ZNR101 120V R104 22K 1 2W R103 15K 1 2W 24V1 Q236 NC 100K R247 120K R296 120K R297 JJ181 0 D255 A K JJ114 0 3 9K R172 18 R242 18 R243 12 R245 Q231 T1011 2 3 4 6 CN103 NC 1 2 L215 NC L216 NC C517 NC D257 NC L211 L213 R292 NC D256 NC Q237 PC107 A K E C D258 2V 100 R298 120 R29...

Страница 244: ...SW314 8 SW315 MUTE SW316 1 SW317 SW318 4 SW319 7 SW320 MAIL3 NC SW322 MAIL2 NC SW327 GREETING_ CHECK SW331 MENU SW332 SW335 SW336 STOP R306 1 2K C311 Z0 1u SW329 GREETING_REC SW324 MAIL1 R312 270 LED301 AUTO ANSWER RED 5V SW323 HOLD NC SW333 SW337 HELP 820 R307 SW321 CONF NC SW326 ERASE SW328 MEMO 270 R302 IC351 2 1 2 3 4 8 330 R351 C352 K0 01u 5V 3 3K R352 C351 6 3V 100u L351 L352 10K R354 10K R3...

Страница 245: ...CN31 1 GND R127 PC101 C124 0 1 25 1 8K C101 0 22 F101 T3 15A 250V D104 R105 0 22 2 180 C121 4700p 4 5 3 6 2 7 1 8 R122 330 1 4 R125 10K D107 IC101 D108 R108 22 1 4 IC202 R128 100 1 8 D106 Q101 G R107 R104 100K 2 100K 2 T101 TRANS D201 7 24V 6 24V 5 24V 4 GND CN301 3 GND 2 GND 1 5V C202 1000p 1K D202 C206 C110 1000p 2200p R223 IC201 C205 0 47 50 100 D S R203 47 1 2 C204 47 35 KX FC379CX POWER SUPPL...

Страница 246: ...CC_IF 10 XOUT 11 XIN 12 VCC_BIAS 13 REXT 14 RSSI 15 RSTN 16 RX_DATA 17 TC_CTRL 18 VCC_DIG 19 VCC_PLL1A 20 VCC_PLL1B 21 TXEN 22 RXEN 23 VCC_PLL2B 24 VCC_PLL2A 25 RXGAIN 26 PA_RAMP 27 TXMOD 28 SYN_CLK 29 SYN_EN 30 SYN_DATA 31 SYN_OUT 32 VCC_PA FL901 3 1 4 2 C978 NC 1k R931 NC C985 NC C959 330 R909 D904 D10p C915 D10p C921 D903 D10p C901 D10p C991 22nH 1608 L904 D10p C938 K1000p C941 D10p C911 10 R94...

Страница 247: ...9K R807 680 C809 C3P R803 1 8K NC C212 R220 0 C204 NC C207 NC C210 K0 1u R222 100 NC C206 R210 0 R216 100 NC C213 R213 100 R211 100 R219 4 7K R214 4 7K R221 0 NC C211 NC C205 C209 NC R217 4 7K R212 47 NC C208 R209 47 10u 6 3V C807 L500 C801 K0 1u C802 NC DG RFG AG 10u 6 3V C808 L800 NC AG AG AG 10u 6 3V C560 K0 1u C502 NC R421 C436 0 D401 3 9V H AG C441 NC R409 NC AG AG NC C423 C417 K0 1u C442 K0 ...

Страница 248: ...X_EN RX_EN SHCTRL GND RF_RESET RSSI RX_DATA DMOD SDIO ANT RA201 4 7K 1 3 5 7 8 6 4 2 IC204 2 5V REG 1 OUT 3 GND 2 IN LED204 330 R203 LED202 330 R201 LED203 330 R204 330 R202 LED201 Q201 1 B1 2 E 3 B2 4 C2 5 C1 DEMOD TP_ANT RA207 220 2 4 6 8 7 5 3 1 C218K1 0 CA203 K0 1 8 6 5 7 4 2 1 3 CA202 K0 47 1 3 4 2 NC IC207 1 CD 2 VREF 3 VIN 4 VIN 5 VOUT1 6 VCC 7 GND 8 VOUT2 NC C320 NC C324 NC R320 NC R321 NC...

Страница 249: ... 73 VCC 74 SHCTRL 75 HEADSET_DET 76 TCK 77 TMS 78 TDI 79 TDO 80 CHARGE_DET 81 RF_RESET 82 CHARGE_CNT 83 KEYIN_5 84 KEYIN_4 85 KEYIN_3 86 KEYIN_2 87 KEYIN_1 88 KEY_LIGHT 89 LCD_BACK_LIGHT 90 NC 91 KEYSTROBE_E 92 KEYSTROBE_D 93 KEYSTROBE_C 94 KEYSTROBE_B 95 KEYSTROBE_A 96 GND 97 VCC 98 NC 99 FLASH_SCK 100 INT_1 NC R225 IC205 3 2V RESET OUT 1 VDD 2 NC 3 GND 4 C228 K0 1 Q208 270K R220 K470P C306 C309K...

Страница 250: ... C913 18nH 1608 L901 4 7 R940 K0 1 C944 D10P C960 C1P C904 D10P C911 10R941 10R942 K1000P C941 K0 1 C976 D10P C963 D10P C962 C1 5P C984 D10P C917 K0 01 C980 1K R931 1K R932 330 R933 NC C914 3 3nH L909 C2P C952 D10P C938 D10P C956 2 2nH L911 J220P C965 TP_TESTP TP_TESTN NC C994 0 R943 K1000P C990 D10P C991 1K R992 1K R991 K470P C937 K0 1 C993 NC C985 J120P C992 1uH 1608 L990 NC C920 D10P C903 K0 1 ...

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