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125

KX-FP365CX / KX-FM388CX

12.5.6. Analog Board Section

This chapter provides the testing procedures required for the analog parts. A signal route to be tested is determined depending
upon purposes. For example, the handset TX route begins at the handset microphone 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 Handset, trace that signal route locally with the following Check Sheet and locate the faulty point.

12.5.6.1. Check Sheet for Signal Route

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Summary of Contents for KX-FM388CX

Page 1: ...s Co Ltd 2008 Unau thorized copying and distribution is a violation of law ORDER NO KMF0812214CE Plain Paper Fax with Digital Answering System Multi function Plain Paper Fax Model No KX FP365CX KX FM388CX for Middle Near East ...

Page 2: ... Modem Section 37 6 6 1 Function 37 6 6 2 Modem Circuit Operation 43 6 7 NCU Section 44 6 7 1 General 44 6 7 2 EXT TEL Line Relay RLY101 44 6 7 3 Bell Detection Circuit 44 6 7 4 Pulse Dial Circuit and ON OFF Hook Circuit 44 6 7 5 Line Amplifier and Side Tone Circuit 45 6 7 6 Calling Line Identification Circuit FSK 46 6 7 7 Calling Line Identification Circuit DTMF 47 6 8 ITS Integrated telephone Sy...

Page 3: ...eck Items Component Locations 156 15 2 Gear Section 158 15 2 1 Gear Operation 158 15 2 2 Mechanical Movements in the Main Operations transmitting documents receiving faxes and copying 160 15 3 Jams 163 15 3 1 Recording Paper Jams 163 15 3 2 Document Jams 164 15 4 Cleaning 165 15 4 1 Document feeder scanner glass cleaning 165 15 4 2 Thermal Head Cleaning 166 16 Miscellaneous 167 16 1 Terminal Guide...

Page 4: ...4 KX FP365CX KX FM388CX 20 2 6 Power Supply Board Parts 207 20 2 7 Interface Board Parts 207 20 2 8 Sensor Board Parts 208 20 2 9 Microphone Board Parts 208 ...

Page 5: ...r electric shock which can be caused by improper repair work 1 When repair services are provided neither the products nor their parts or members shall be remodeled 2 If a lead wire assembly is supplied as a repair part the lead wire assembly shall be replaced 3 FASTON terminals shall be plugged straight in and unplugged straight ICs and LSIs are vulnerable to static electricity When repairing the ...

Page 6: ...ller which are rotated by the document feed motor A gear rotates the two rollers Be careful not to touch them with your hands especially when the unit is operating 1 3 2 Live Electrical Sections All the electrical sections 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...

Page 7: ...harges 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 electricity Never touch the electrical sections such as the power supply unit etc ...

Page 8: ...rcise care while using higher temperature soldering irons Do not heat the PCB for too long time in order to prevent solder splash or damage to the PCB PbF solder will tend to splash if it is heated much higher than its melting point approximately 1100 F 600 C When applying PbF solder to double layered boards please check the component side for excess which may flow onto the opposite side See figur...

Page 9: ...utside the specified limits there is a possibility of a shock hazard 2 3 Battery Caution Danger of explosion if battery is incorrectly replaced Replace only with the same or equivalent type recommended by the man ufacturer Dispose of used batteries according to the manufacturer s instruction CAUTION The lithium battery is a critical component type No CR2032 Please observe for the proper polarity a...

Page 10: ...7 mm Recording Paper Weight 64 g m2 to 80 g m2 Transmission Speed 1 Approx 8 s page ECM MMR 2 Scanning Density Horizontal 8 pels mm Vertical 3 85 lines mm standard resolution 7 7 lines mm fine photo resolution 15 4 lines mm super fine resolution Photo Resolution 64 levels Scanner Type Contact Image Sensor Printer Type Thermal Transfer on plain paper Data Compression System Modified Huffman MH Modi...

Page 11: ...ory Performed by DRAM Approx 28 pages of memory reception Approx 25 pages of memory transmission Integrated Telephone System On hook dialing Voice muting Redialing function 110 station telephone directory with Phonebook including 10 one touch dial items Digital SP Phone Caller ID service Enhanced Copier Function Multi copy function up to 50 copies Enlargement and reduction Collate 64 Level halfton...

Page 12: ...12 KX FP365CX KX FM388CX 6 Technical Descriptions 6 1 Connection Diagram ...

Page 13: ...d mainly for the parameter working in the storage area 3 Dynamic RAM IC4 This memory is used mainly for the parameter working in the storage area 4 MODEM IC5 Performs the modulation and the demodulation for FAX communication 5 Read Section Contact Image Sensor CIS to read transmitted documents 6 Motor Driver IC401 IC402 Drives the transmission motor and the reception motor 7 Thermal Head Contains ...

Page 14: ...14 KX FP365CX KX FM388CX 6 2 1 General Block Diagram ...

Page 15: ...FTG VIDEO OP RESET XRESETI XORESET XRESET XBACKEN IC3 RESET IC 3 3V BATT 2 5V BATT BATT 24MHz KX FM388 only 32 768KHz TX RX TO Analog Board A 12 0 RBA 5 0 A 4 0 5V XRAS XCAS A 9 0 D 7 0 XRD XWR XRAS XCAS IC4 DRAM A 7 4 RBA 5 0 3 3V CN2 to CN404 THLAT THC THDAT STB1 STB2 Q2 4 14 HEADON RXE TM REED PTOP COVER OPEN RXE RM0 3 TXE TM0 3 CN1 2 CN4 CN7 CISLEDON 32 256MHz 3 3V VDET Q5 3 3V 2 5V Q7 2 5V BA...

Page 16: ...16 KX FP365CX KX FM388CX 6 3 2 Memory Map ...

Page 17: ...ntrols 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 docu ment Controls the receiving motor which feeds the recording paper 9 OPERATION PANEL I F Serial interface with Operation Panel 10 I O P...

Page 18: ... O 3 3V OUTPUT PORT NOT USED 23 TXD IOP O 3 3V OUTPUT PORT FILMEND 24 RXD IOP O 3 3V OUTPUT PORT NOT USED 25 XRTS IOP O 3 3V OUTPUT PORT NOT USED 26 XCTS IOP O 3 3V OUTPUT PORT NOT USED 27 VDD 2 5V POWER SOURCE 2 5V 28 TONE1 A 3 3V TONE OUTPUT 29 TONE2 A 3 3V TONE OUTPUT 30 VOLUREF A 3 3V ANALOG REF VOLTAGE 31 VOLUOUT A 3 3V VOLUME OUTPUT 32 VOLUIN A 3 3V VOLUME INPUT 33 XNMI I 3 3V HIGH FIXED 34 ...

Page 19: ...RESS 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 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...

Page 20: ...RX MOTOR A PHASE 123 RM3 IOP I O 3 3V RX MOTOR B PHASE 124 RXE IOP O 3 3V RX MOTOR ENABLE 125 TMO O 3 3V TX MOTOR A PHASE 126 VDD 2 5V POWER SOURCE 2 5V 127 VSS GND POWER SOURCE GND 128 TM1 IOP O 3 3V TX MOTOR B PHASE 129 TM2 IOP O 3 3V TX MOTOR A PHASE 130 TM3 IOP O 3 3V TX MOTOR B PHASE 131 TXE IOP O 3 3V TX MOTOR ENABLE 132 KSTART O 3 3V OPERATION PANEL CONTROL 133 KLATCH O 3 3V OPERATION PANEL...

Page 21: ...ry power interruption a positive reset pulse of 50 70 msec is generated and the system is reset com pletely 2 The watch dog timer built in the ASIC IC1 is initialized by the CPU about every 1 5 ms When a watch dog error occurs pin 115 of the ASIC IC1 becomes low level The terminal of the WDERR signal is connected to the reset line so the WDERR signal works as the reset signal ...

Page 22: ...MEMORY IC6 2 RTC Inside IC1 Backup Circuit Operation When the power switch is turned ON power is supplied through Q7 to the RTC inside IC1 At this time the voltage at pin 14 of the IC1 is 2 5V When the power switch is turned OFF the BAT401 supplies power to RTC through D407 and Q505 The voltage at pin 14 of IC1 is about 2 2V When the power switch is OFF and the voltage of 3 3V decreases pin 14 of ...

Page 23: ...s point A In point C according to the voltage out put 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 IC1 The CPU decides the strobe width of the thermal head according to this value Therefore this circuit can keep the ther mal head at an even temperature in order to stabi...

Page 24: ...ed as 1 Then via routes4 and 5 they are stored in RAM 4 The white black data stored as above via routes6 and8 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 proces...

Page 25: ...25 KX FP365CX KX FM388CX 6 4 2 Block Diagram ...

Page 26: ...ister of the ICs The shift registers of the 9 ICs are connected in series and upon the shift of dot incre ment 1728 all the shift registers become filled with data and a latch pulse is emitted to each IC from IC1 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 IC1 pins 103 104 only bl...

Page 27: ...27 KX FP365CX KX FM388CX ...

Page 28: ...level and the transistor Q8 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 IC1 and the original image illuminated by the LED array undergoes photoelectric conversion to output an analogue image signal AIN The analogue image signal is input to the system ASIC on AIN1 pin 3 of IC1 and converted into 8 bit data b...

Page 29: ...re output from ASIC IC1 pins 124 120 123 causing driver IC401 pins 16 13 to drive the Motor Coil The motor coil is energized sequentially in 2 phase increments which causes a 1 step rotation The timing chart is below Stepping Motor Drive Mode Function Mode Phase Pattern Speed Copy Fine Photo 1 2 432 pps t 1 432 Super Fine 1 2 216 pps t 1 216 FAX Receiving Standard Fine Photo 1 2 432 pps t 1 432 Su...

Page 30: ... about 70 80 msec pin 124 of ASIC IC1 becomes a low level and Q401 turns OFF and instead of 24 V 6 V is supplied through D401 so that the motor is 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 ...

Page 31: ...om ASIC IC1 pins 131 125 128 130 causing driver IC402 pins 16 13 to drive the Motor Coil The motor coil is energized sequentially in 2 phase increments which causes a 1 step rotation The timing chart is below Stepping Motor Drive Mode Function Mode Phase Pattern Speed Copy Fine Photo 1 2 432 pps t 1 432 Super Fine 1 2 216 pps t 1 216 FAX Sending Standard 1 2 432 pps t 1 432 Fine Photo 1 2 432 pps ...

Page 32: ...r suspends while it is in the sending mode about 70 80 msec pin 131 of ASIC IC1 becomes a low level and Q402 turns OFF When the system is in the stand by mode all of the motor drive transistors turn OFF Consequently the motor current stops ...

Page 33: ... Sensor Circuit Location Sensor Sensor or Switch Name Error Message Operation Panel SW337 Document top sensor REMOVE DOCUMENT SW338 Document set sensor CHECK DOCUMENT Sensor P C Board SW502 Cover Open sensor BACK COVER OPEN SW501 Film Detection sensor FILM EMPTY CHECK FILM Analog Board SW101 Hook switch Interface Board PS401 Paper Top sensor PAPER JAMMED ...

Page 34: ...of IC301 6 pin Operation Board becomes a high level 6 5 2 Document Set Sensor SW338 When a document is set the SW turns ON and the input signal of IC301 9 pin Operation Board becomes a low level When there is no document the SW turns ON and the input signal of IC301 9 pin Operation Board becomes a high level SW Signal IC301 6 pin Out of the Read Position OFF High level At the Read Position ON Low ...

Page 35: ... and the input signal of IC1 102 pin becomes a low level 6 5 4 Cover Open Sensor SW502 When the u TURN BLOCK is closed the SW becomes ON and the input signal of IC5 66 pin Digital Board becomes a low level When the cover is opened the SW becomes OFF and the input signal of IC5 66 Digital Board pin becomes a high level Photo transistor Signal IC5 65 pin Recording paper top OFF High level No recordi...

Page 36: ...When the handset is lifted the switch turns ON and the signal at pin 43 of IC1 becomes low When the handset is returned the switch turns OFF and the signal at pin 43 of IC1 becomes high SW Signal IC1 43 pin ON Hook ON Low level OFF Hook OFF High level ...

Page 37: ...r 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 Deter mined in 1968 Transmission for about 6 minutes at a scanning line density of 3 8...

Page 38: ...nsmission 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 ...

Page 39: ... 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 DIS DTC DCS 1 Transmit...

Page 40: ...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 at 3 85 l mm T7 7 T3 85 10 ms at 3 85 l mm T7 7...

Page 41: ...eiving side optimizes the automatic equalizer etc according 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 s...

Page 42: ...42 KX FP365CX KX FM388CX b Redundancy Compression Process Coding Mode This unit uses one dimensional MH format ...

Page 43: ...ters pin 47 of the modem IC5 The signals that enter pin 47 of the modem IC5 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 are placed on the bus in 8 bit units Here the internal equalizer circuit reduces the image signals to a long distance receiving level This is designed ...

Page 44: ...phone side break and switches to the tel line side make while OFF HOOK IC1 44 High Level CN7 15 High Level CN101 3 High Level Q106 ON RLY101 make 6 7 3 Bell Detection Circuit 1 Circuit Operation The signal waveform for each section is indicated below The signal low level section input to pin 19 of ASIC IC1 on the dig ital board is illustrated TEL LINE PC102 1 2 4 IC1 19 Bell 6 7 4 Pulse Dial Circu...

Page 45: ...sent to the reception system at 0dB The transmission signal is output from CN101 6 and transmitted to T101 via R114 If the side tone circuit is not applied the transmission signal will return to the reception amplifier via C108 and R109 When the side tone circuit is active the signal output from IC101 pin 1 passes through R113 C110 C109 and R110 and goes into the amplifier IC101 pin 3 This circuit...

Page 46: ...which is modulated in 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 mes sage 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 multi...

Page 47: ... use this feature you must sub scribe to a Caller ID service The data for the Caller ID from the telephone exchange is sent before the first ring signal The data from the telephone exchange is sent by DTMF signal 2 Circuit Operation The Caller ID signal from TEL LINE is processed with MODEM IC5 Refer to Check Sheet for Signal Route P 125 for the route of Caller ID DTMF signal ...

Page 48: ... to Check Sheet for Signal Route P 125 6 8 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 Signal path Refer to Check Sheet for Signal Route P 125 6 8 4 Monitor Circuit for Each Signals 1 Function This circuit monitors various tones such as 1 DTMF tone 2 Alarm Beep Key tone Bell 2 Signal path Ref...

Page 49: ...ate Array IC301 and ASIC IC1 on the Digital BOARD The key matrix table is shown below CN301 CN1 IC1 ASIC LCD MODULE GATE ARRAY IC301 CN302 DOCUMENT TOP SENSOR DOCUMENT SET SENSOR 8x5 KEYS MATRIX DIGITAL BOARD KX FP365CX KX FM388CX OPERATION BOARD BLOCK DIAGRAM OPERATION BOARD XLED9 10 KIN0 7 R320 AUTO ANSWER KSL0 4 LED2 LED301 5V CN404 INTERFACE BOARD CN2 CN407 CN408 ...

Page 50: ... crystal drive R310 R312 R313 and R329 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 XLED15 IC301 21pin L L XLED14 IC301 20pin Hi Z L X1 5 LED1 H H XLED15 Hi Z L XLED14 Hi Z Hi Z ...

Page 51: ... 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 A B Voltage Wave Form C D Voltage Wave Form E F G H Voltage Wave Form 0 0 0 Input Circuit AC Input Surge Absorber Circuit G H 24V E IC101 D110 R104 F 9 6V GND Control Cir...

Page 52: ...y transfer as 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...

Page 53: ...ws 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 limiter circuit IC101 of 24V The 24V output is limited by this circuit Over Voltage Circuit If the 24V output increases b...

Page 54: ...call using the DIGITAL SP PHONE button or when you send a fax the unit will automatically redial the number 2 or more times To insert a pause during dialing 3 CALLER ID To use Caller ID features 4 MENU To start or exit programming 5 Navigator key PHONEBOOK VOLUME To adjust volume To search for a stored item 6 SET To store a setting during programming 7 AUTO ANSWER To turn the auto answer setting O...

Page 55: ...install the unit is shown below The dimensions given are necessary for the unit to operate effi ciently When the recording paper is not inserted to the unit Note Avoid excessive heat or humidity Use the unit within the following ranges 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 ...

Page 56: ...ents created on your computer Receiving faxes on your computer Storing fax and phone numbers into the directory Using the unit as a printer and a scanner To use PANA LINK software on your computer the following are required Operating System Windows 98 Windows Me Windows 2000 Windows XP Windows Vista x86 32bit It does not work with Windows XP x64 64bit and Windows Vista x64 64bit CPU Windows 98 Pen...

Page 57: ...e purchase a shielded Type A male Type B male USB cable 8 3 Installing the Ink Film 1 Open the front cover by pulling up the centre 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 ...

Page 58: ...lm is safe to touch 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 blue gear in the direction of the arrow until the ink film is tight and at least one layer of ink film is wrapped around the blue core 6 Close the back cover securely by pushing down on the dotted area at both ends 7 Close the front cover securely ...

Page 59: ...the left slot 8 6 Installing the Recording Paper The unit can hold up to 50 sheets of 64 g m2 to 80 g m2 paper 1 Fan the paper to prevent paper jams 2 Pull the tension plate forward and insert the paper gently print side down The paper should not be over the tab If the paper is not inserted correctly remove all of the installed paper and re install it gently Otherwise the paper may jam Note Remove...

Page 60: ...ly treated paper such as carbon or carbonless duplicating paper Electrostatically charged paper Badly curled 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 com pletely To send a document with a width of less than 210 mm we...

Page 61: ... the previously entered character you must first press to move the cursor to the next space To enter your logo Example BILL 1 Press 2 2 times 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 To switch between uppercase or lowercase letters Pressing the button will change the letter input to upper case or lowercase alternately 1 Press 2 2 times 2 ...

Page 62: ... screen until all files have been installed 4 Connect the unit to your computer when the following dia logue box appears If you have already connected it and above dialogue box does not disappear plug out and in the cable Important notice If you use Windows XP or Windows Vista a message may appear after connecting the unit with the USB cable This is normal and the software will not cause any diffi...

Page 63: ...Copy Press STOP button to quit SET LED CHECK Service Mode 5 5 7 All LEDs above the operation panel board flash on and off or are illuminated SET LCD CHECK Service Mode 5 5 8 Checks the LCD indication Illuminates all the dots to check if they are normal SET KEY CHECK Service Mode 5 6 1 Checks the button operation except STOP key Indicates the button code on the LCD while the button is pressed Refer...

Page 64: ...8 5 2 Prints out the test pattern Used mainly at the factory to test the print quality You can select 1 4 See Print Test Pattern P 65 SET Test Mode Type of Mode Code Function Operation after code input key High Frequency Hz key Low Frequency Hz 1 697 5 1209 2 770 6 1336 3 852 7 1477 4 941 8 1633 High Hz 1209 1336 1477 Low Hz 697 1 2 3 770 4 5 6 852 7 8 9 941 0 Code Button Name Code Button Name Cod...

Page 65: ...65 KX FP365CX KX FM388CX 10 3 Print Test Pattern 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 ...

Page 66: ...he normal programs are those 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 Ser vice 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 Function...

Page 67: ...orrectly adjust accord ingly 544 Document feed position mm 1 9 5 When the ADF function is in correct adjust the feed position 550 Memory Clear See Memory Clear Specification P 69 551 Flash memory check See Test Mode P 63 552 DTMF single tone test 1 ON 2 OFF 1 2 2 See Test Mode P 63 553 Monitor on FAX communication select 1 OFF 2 PHASE B 3 ALL 1 3 1 Sets whether to monitor the line signal with the ...

Page 68: ...ceiving sensitivity 1 dBm 20 48 42 Used when there is an error problem Refer to The unit can copy but the transmission and reception image are incorrect P 97 599 ECM frame size 1 256 byte 2 64 byte 1 2 1 624 AT ring time out KX FM388 only 1 3 sec 2 5 sec 1 2 1 625 Setting printing density 1 Default 2 Lighter 3 Darker 1 3 1 The set value 2 means lighter than default density The set value 3 means da...

Page 69: ... is set Normal If you want darker select smaller value If you want fainter select larger value Refer to Program Mode Table P 100 852 Print test pattern See Test Mode P 63 853 Top margin mm 1 9 5 861 Paper size 1 A4 2 LETTER 1 2 1 874 DTMF ON time 10 msec 06 20 10 875 DTMF OFF time 10 msec 06 20 10 880 History list 881 Journal 2 list See Special Service Journal Report P 86 882 Journal 3 list See Sp...

Page 70: ...70 KX FP365CX KX FM388CX 11 2 The Example of the Printed List 11 2 1 User Mode Note The above values are the default values 1 KX FM388 only ...

Page 71: ...71 KX FP365CX KX FM388CX 11 2 2 Service Mode Settings Note The above values are the default values 1 KX FM388 only ...

Page 72: ...72 KX FP365CX KX FM388CX 11 2 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 73 ...

Page 73: ... The number of messages recorded in TAM 26 NUMBER OF PC SCAN The number of times multifunction was used for the Scanner The number of pages scanned If the unit does not have a PC interface NONE will be printed 27 NUMBER OF PC PRINT The number of times multifunction was used for the Printer The number of pages printed If the unit does not have a PC interface NONE will be printed 28 NUMBER OF RECEIV...

Page 74: ... lever paper thickness lever is set correctly and the paper is set correctly without any slack 2 Before troubleshooting 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 and checking the operation exercise utmost care when handling electric parts in order to avoid ele...

Page 75: ... are stored in memory due to a lack of recording paper a lack of ink film or a recording paper jam Install paper install ink film or remove the jammed paper You will lose all faxes in memory if the power is removed Check with power connected Refer to Installing the Recording Paper P 59 and Installing the Ink Film P 57 and Recording Paper Jams P 163 The memory is full of received documents due to a...

Page 76: ...le or the computer power cord is not connected cor rectly Check the connections Refer to Connecting to a Computer KX FM388 only P 56 The software is not running on the computer Restart the software and try again There is no space to store new items in the phonebook Erase unnecessary items The unit is checking that there is no slack or crease in the ink film Wait for a moment while the check is com...

Page 77: ...er transmission of a 2400BPS training signal 3 43 COMMUNICATION ERROR SND No response after post message is transmitted three times 4 44 COMMUNICATION ERROR SND RTN and PIN are received 5 46 COMMUNICATION ERROR RCV No response after FTT is transmitted 6 48 COMMUNICATION ERROR RCV No post message 7 49 COMMUNICATION ERROR RCV RTN is transmitted 8 50 COMMUNICATION ERROR RCV PIN is transmitted to PRI ...

Page 78: ...78 KX FP365CX KX FM388CX Countermeasure ...

Page 79: ...79 KX FP365CX KX FM388CX REFERENCE Test Mode P 63 ...

Page 80: ...80 KX FP365CX KX FM388CX REFERENCE Test Mode P 63 ...

Page 81: ...81 KX FP365CX KX FM388CX REFERENCE Test Mode P 63 ...

Page 82: ...82 KX FP365CX KX FM388CX REFERENCE Test Mode P 63 ...

Page 83: ...83 KX FP365CX KX FM388CX ...

Page 84: ...84 KX FP365CX KX FM388CX ...

Page 85: ...85 KX FP365CX KX FM388CX REFERENCE Test Mode P 63 ...

Page 86: ...ives you basic information about a communication but the other two journal reports provide different informa tion 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 kbp...

Page 87: ... in memory due to PAPER OUT error NO RESPONSE DISAPPEARED ON JOURNAL The NO RESPONSE DISAPPEARED ON JOURNAL displays the information about the last 10 communications terminated by No Response Some of the communications terminated by No Response were not displayed in the JOURNAL When a fax transmission cannot be performed because the other party s unit is set to the TEL mode No response will be pri...

Page 88: ...inimum 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 model 00 Unknown 79 UF model 19 Xerox model 12 3 1 3 Printout Example ...

Page 89: ...89 KX FP365CX KX FM388CX ...

Page 90: ...e unit can copy documents Receive Problem P 93 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 The unit can copy but cannot transmit receive P 94 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 The...

Page 91: ... 3 2 1 1 Transmit Problem REFERENCE 1 Operation Panel Section P 132 2 ADF Auto Document Feed Section P 105 3 Maintenance P 156 4 How to Remove the Gear Block and Separation Roller P 149 5 How to Remove the Operation Board LCD MIC Board and Document Exit Roller P 152 ...

Page 92: ...92 KX FP365CX KX FM388CX 12 3 2 1 2 Sometime there is a transmit problem Note 596 Transmit level set represents a service code Refer to Service Function Table P 67 ...

Page 93: ...he software related problems such as CHECK PAPER when the fax switches to the memory receiving mode and the memory capacity becomes full of the unprintable data In this case error mes sages FAX MEMORY FULL and its main cause for example CHECK PAPER are displayed on the LCD Once you solve the main problem FAX MEMORY FULL will be cancelled and the reception problem will be resolved LCD display messa...

Page 94: ...94 KX FP365CX KX FM388CX 12 3 2 1 4 The unit can copy but cannot transmit receive REFERENCE 1 Test Mode P 63 2 Analog Board Section P 125 ...

Page 95: ...arty should be called 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 re...

Page 96: ...Change the regular 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 detect...

Page 97: ...f 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 incorrect set the receiving speed to 4800BPS Service mode code No 718 Refer to Service Function Table P 67 TX side signal RX side signal ...

Page 98: ...ume 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 Note Not to be wind wave patterns on the wave monitor Please compress the recording data when you send attaching to E Ma...

Page 99: ...customer s fax machine 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 99 Also before exiting the remote programming mode it is advisable to obtain a new list to confirm that the changes were made correctly Hints Since the connected telephone is in u...

Page 100: ... 3 LIGHT NORMAL OK 059 Print contrast 1 NORMAL 2 DARKER NORMAL OK 067 ICM monitor 1 ON 2 OFF ON OK 072 Recall Flash time 1 90 2 100 3 110 4 160 5 200 6 250 7 300 8 400 9 600 0 80 10 700 11 900 600 ms OK 073 Manual receive mode 1 TEL 2 TEL FAX TEL OK 076 Connecting tone 1 ON 2 OFF ON OK 077 Auto answer mode 2 FAX only 3 TAM FAX TAM FAX OK 078 TEL FAX ring setting 1 9 2 OK 080 Set default YES NO NO ...

Page 101: ...ime out KX FM388 only 1 3 sec 2 5 sec 3 sec OK 625 Setting printing density 1 Default 2 Lighter 3 Darker Default OK 710 Memory clear except History data NG 717 Transmit speed select 1 14400 2 12000 3 9600 4 7200 5 4800 6 2400 bps 14400 bps OK 718 Receive speed select 1 14400 2 12000 3 9600 4 7200 5 4800 6 2400 bps 14400 bps OK 722 Redial tone detect 1 ON 2 OFF ON OK 724 PC SEND busy tone detection...

Page 102: ... may use different 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 104 Diffi cult problems may be hard to determine so...

Page 103: ...s expanded See Received or Copied Data is Expanded P 112 A black page is copied See A Blank Page is Copied P 113 A blank page is received See A Blank Page is Received P 115 Black or white vertical line See Black or White Vertical Line P 115 Black or white lateral line on print out See Black or White Lateral Line on Print Out P 116 An abnormal image is printed See An Abnormal Image is Printed P 117...

Page 104: ... Service code 561 Refer to Test Mode P 63 LED check OK NG Service code 557 Refer to Test Mode P 63 LCD check OK NG Service code 558 Refer to Test Mode P 63 Sensor Sensor check OK NG Service code 815 Refer to Test Mode P 63 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 Voice pr...

Page 105: ...ration Rubber P 153 2 Installation Position of the Lead Wires P 154 3 How to Remove the Gear Block and Separation Roller P 149 4 Test Mode P 63 5 How to Remove the Component parts of Gear Block P 150 6 Stepping Motor Drive Circuit RX P 29 7 Digital Board Section P 118 8 Sensor Section P 133 9 Power Supply Board Section P 129 ...

Page 106: ...5CX KX FM388CX 12 5 4 2 Document Jam REFERENCE 1 Disassembly and Assembly Instructions P 140 2 Test Mode P 63 3 How to Remove the Operation Board LCD MIC Board and Document Exit Roller P 152 4 Sensor Section P 133 ...

Page 107: ...g the Recording Paper P 59 2 How to Remove the Gear Block and Separation Roller P 149 3 Disassembly and Assembly Instructions P 140 4 How to Remove the Separation Rubber P 153 5 Maintenance P 156 Note When confirming if the characters are extended or distorted or if the feed problem is occurred use this test chart format Refer to Test Chart P 172 ...

Page 108: ...ew REFERENCE 1 Maintenance Items and Component Locations P 156 2 Disassembly and Assembly Instructions P 140 3 How to Remove the Image Sensor CIS P 141 4 Overview P 54 5 We recommend making a copy of the test chart in Test Chart P 172 and using it ...

Page 109: ...er P 144 3 Power Supply Board Section P 129 4 Test Mode P 63 5 How to Remove the Digital Analog Interface and Sensor Boards P 147 6 How to Remove the Component parts of Gear Block P 150 7 How to Remove the Back Cover and Platen Roller P 143 8 Digital Board Section P 118 9 We recommend making a copy of the test chart in Test Chart P 172 and using it ...

Page 110: ...CX 12 5 4 6 Paper Jam REFERENCE 1 Jams P 163 2 Maintenance Items and Component Locations P 156 3 Disassembly and Assembly Instructions P 140 4 Test Mode P 63 5 Sensors and Switches P 33 6 How to Remove the Pickup Roller P 144 ...

Page 111: ...ve the Pickup Roller P 144 12 5 4 8 The Sent Fax Data is Skewed REFERENCE 1 We recommend making a copy of the test chart in Test Chart P 172 and using it 2 Document Skew P 108 12 5 4 9 The Received Fax Data is Skewed REFERENCE 1 We recommend making a copy of the test chart in Test Chart P 172 and using it 2 Recording Paper Multiple Feed and Skew P 111 ...

Page 112: ...ata is Expanded REFERENCE 1 Document feeder scanner glass cleaning P 165 2 Disassembly and Assembly Instructions P 140 3 How to Remove the Gear Block and Separation Roller P 149 4 We recommend making a copy of the test chart in Test Chart P 172 and using it ...

Page 113: ... 5 4 11 A Blank Page is Copied REFERENCE 1 Test Mode P 63 2 Thermal Head P 26 3 How to Remove the Thermal Head P 142 4 We recommend making a copy of the test chart in Test Chart P 172 and using it 5 A Blank Page is Received P 115 ...

Page 114: ...114 KX FP365CX KX FM388CX ...

Page 115: ... 3 A Blank Page is Copied P 113 12 5 4 13 Black or White Vertical Line REFERENCE 1 We recommend making a copy of the test chart in Test Chart P 172 and using it 2 Maintenance Items and Component Locations P 156 3 Document feeder scanner glass cleaning P 165 4 Thermal Head Cleaning P 166 5 How to Remove the Thermal Head P 142 ...

Page 116: ...de P 63 2 How to Remove the Component parts of Gear Block P 150 3 Installation Position of the Lead Wires P 154 4 Disassembly and Assembly Instructions P 140 5 We recommend making a copy of the test chart in Test Chart P 172 and using it 6 A Blank Page is Copied P 113 7 Digital Board Section P 118 ...

Page 117: ...CX 12 5 4 15 An Abnormal Image is Printed REFERENCE 1 Test Mode P 63 2 Check Sheet for Signal Route P 125 3 How to Remove the Thermal Head P 142 4 We recommend making a copy of the test chart in Test Chart P 172 and using it ...

Page 118: ...and FLASH ROM malfunctions are extremely rare after installation in the product This may be repaired by replacing the IC DRAM etc However the real cause may not have been an IC malfunction but a sol dering 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 ...

Page 119: ...p 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 The following shows NG and normal wave patterns NG Wave pattern Refer to NG EXAMPLE ...

Page 120: ... even slightly delayed 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...

Page 121: ...121 KX FP365CX KX FM388CX I O and Pin No Diagram ...

Page 122: ...ed 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 REFERENCE NG Example P 124 Power Supply Board Section P 129 ...

Page 123: ...123 KX FP365CX KX FM388CX Other NG example while the power is ON and the LCD displays the following ...

Page 124: ...124 KX FP365CX KX FM388CX 12 5 5 2 NG Example ...

Page 125: ...set microphone 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 Handset trace that signal route locally with the following Check Sheet and locate the fau...

Page 126: ... microphone and telephone line sending or between the telephone line and the handset speaker receiv ing 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 for Signal Route P 125 is useful for this investigation 2 No pulse dialing 3 No ring tone or No bell REFERENCE Check Sheet for Signal Ro...

Page 127: ...erence in the troubleshooting 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 commun...

Page 128: ...128 KX FP365CX KX FM388CX Note Check to the SP Phone Rx Tx signal routes Refer to Check Sheet for Signal Route P 125 ...

Page 129: ...ng 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 It is more likely that the fault is in the primary si...

Page 130: ...130 KX FP365CX KX FM388CX 12 5 8 2 Troubleshooting Flow Chart ...

Page 131: ...ase replace all of the parts D101 D102 D103 D104 F101 Q101 The worst 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 R110 R112 D107 and IC101 You should change all of the parts listed as follows F101 Q101 R110 R112 D107 IC101 D201 If D201 is broken th...

Page 132: ...2 KX FP365CX KX FM388CX 12 5 9 Operation Panel Section 12 5 9 1 No Key Operation REFERENCE 1 Test Mode P 63 12 5 9 2 No LCD Indication REFERENCE 1 Test Mode P 63 2 How to Remove the Operation Cover P 151 ...

Page 133: ...tion sensor recording paper sensor and jam sensor are turned ON OFF by the copy operation There fore 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 man ually 12 5 10 1 Check the Document Top Sensor SW337 REMOVE DOCUMENT 12 5 10 2 Check the Document Set Sensor S...

Page 134: ...134 KX FP365CX KX FM388CX 12 5 10 5 Check the HOOK Switch SW101 12 5 10 6 Check the Film Detection Sensor SW501 FILM EMPTY or CHECK FILM ...

Page 135: ...135 KX FP365CX KX FM388CX 12 5 11 CIS Contact Image Sensor Section REFERENCE 1 Test Mode P 63 Refer to Scanning Block P 28 ...

Page 136: ...136 KX FP365CX KX FM388CX 12 5 12 Thermal Head Section Note Refer to Thermal Head P 26 ...

Page 137: ... the telephone numbers set in the main panel display Press STOP button I cannot recognize the last part of an entry in the list of the Address Book or Communication Log Put the cursor on the line between the buttons the cursor changes shape and you can expand the area by dragging or double clicking I do not want to send a cover page with every fax The setting of the cover page is on To deactivate ...

Page 138: ...ectly to facsimile unit in the Reception tab I want to print out the received fax with another printer Print after selecting the desired printer from the Print dialogue box Receiving a fax failed message is displayed Possible causes are as follows The line condition was not good The reception was interrupted by a call waiting signal Check with the other party and try again I cannot scan The fax ma...

Page 139: ...139 KX FP365CX KX FM388CX 13 Service Fixture Tools ...

Page 140: ...140 KX FP365CX KX FM388CX 14 Disassembly and Assembly Instructions Note Please remove the Paper Support Paper Tray and Ink Film before disassembling ...

Page 141: ...141 KX FP365CX KX FM388CX 14 1 Upper Cabinet Section 14 1 1 How to Remove the Image Sensor CIS ...

Page 142: ...142 KX FP365CX KX FM388CX 14 1 2 How to Remove the Thermal Head ...

Page 143: ...143 KX FP365CX KX FM388CX 14 2 Back Cover Section 14 2 1 How to Remove the Back Cover and Platen Roller ...

Page 144: ...144 KX FP365CX KX FM388CX 14 2 2 How to Remove the Pickup Roller ...

Page 145: ...145 KX FP365CX KX FM388CX 14 2 3 How to Remove the Paper Exit Roller and Cassette Lever ...

Page 146: ...146 KX FP365CX KX FM388CX 14 3 Lower Cabinet Section 14 3 1 How to Remove the Bottom Frame ...

Page 147: ...147 KX FP365CX KX FM388CX 14 3 2 How to Remove the Digital Analog Interface and Sensor Boards ...

Page 148: ...149 KX FP365CX KX FM388CX 14 3 4 How to Remove the Gear Block and Separation Roller ...

Page 149: ...148 KX FP365CX KX FM388CX 14 3 3 How to Remove the Power Supply Board and AC cord ...

Page 150: ...150 KX FP365CX KX FM388CX 14 3 5 How to Remove the Component parts of Gear Block ...

Page 151: ...151 KX FP365CX KX FM388CX 14 4 Operation Cover Section 14 4 1 How to Remove the Operation Cover ...

Page 152: ...152 KX FP365CX KX FM388CX 14 4 2 How to Remove the Operation Board LCD MIC Board and Document Exit Roller ...

Page 153: ...153 KX FP365CX KX FM388CX 14 4 3 How to Remove the Separation Rubber ...

Page 154: ...154 KX FP365CX KX FM388CX 14 5 Installation Position of the Lead Wires ...

Page 155: ...155 KX FP365CX KX FM388CX ...

Page 156: ...ing 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 trouble shooting 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 ...

Page 157: ...mponent Locations P 156 6 Glass If the glass is dirty clean them with a dry soft cloth Refer to Document feeder scanner glass cleaning P 165 7 Abnormal wear and tear or loose parts Replace the part Check if the screws are tight on all parts No Item Cleaning Cycle Replacement Cycle Procedure 1 Separation Roller Ref No 137 2 3 months 7 years 1 31 500 documents Refer to How to Remove the Gear Block a...

Page 158: ...e power in each mode See Sensor Location in Sensors and Switches P 33 15 2 1 1 Transmit Mode The TX MOTOR rotate CCW and conveys its power to the document separation roller gear and document Exit Roller Gear 15 2 1 2 Paper Pick up and Paper Exit Mode The RX MOTOR rotate CCW and swing Gear B engages Gear C and conveys its power to the Pickup Roller Gear The Swing Gear B engages Gear D and conveys i...

Page 159: ...d 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 15 2 1 4 Copy Mode RX side Paper Pickup mode Print mode Paper Exit mode TX side Transmit mode ...

Page 160: ...FM388CX 15 2 2 Mechanical Movements in the Main Operations transmitting documents receiving faxes and copying 15 2 2 1 Idle Status Note See Sensor Locations in Sensors and Switches P 33 CW clockwise CCW counterclockwise ...

Page 161: ...161 KX FP365CX KX FM388CX 15 2 2 2 Transmitting Documents REFERENCE Sensor Section P 133 15 2 2 3 Receiving Fax Note See Sensor Locations in Sensors and Switches P 33 ...

Page 162: ...162 KX FP365CX KX FM388CX 15 2 2 4 Copying Note See Sensor Locations in Sensors and Switches P 33 REFERENCE Sensor Section P 133 ...

Page 163: ...he front cover by pulling up the centre 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 5 Turn the blue gear in the direction of the arrow until the ink film is tight and at least one layer of ink film is wrapped around the blue core ...

Page 164: ...erly The display will show the following Remove the recording paper and straighten Pull the tension plate forward and hold open while inserting paper then press SET to clear the message 15 3 2 Document Jams 1 Open the front cover by pulling up the centre part Remove the jammed document carefully 2 Close the front cover securely Note Do not pull out the jammed paper forcibly before opening the fron...

Page 165: ...power cord and the telephone line cord 2 Open the front cover by pulling up the centre part 3 Clean the document feeder rollers and rubber flap with a cloth moistened with isopropyl rubbing alco hol 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 Insert the recording ...

Page 166: ...by pushing the green button You can also release the back cover by pushing in the green lever 4 Open the back cover Remove the ink film 5 Clean 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 6 Re install the ink film and clos...

Page 167: ...167 KX FP365CX KX FM388CX 16 Miscellaneous 16 1 Terminal Guide of the ICs Transistors and Diodes 16 1 1 Digital Board 16 1 2 Analog Board 16 1 3 Operation Board ...

Page 168: ...168 KX FP365CX KX FM388CX 16 1 4 Power Supply Board 16 1 5 Interface Board ...

Page 169: ...mpletely 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 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 When you attach a new IC to the board remove all solder left on the land with some tools like a sol...

Page 170: ...170 KX FP365CX KX FM388CX 16 3 Test Chart 16 3 1 ITU T No 1 Test chart ...

Page 171: ...171 KX FP365CX KX FM388CX 16 3 2 ITU T No 2 Test Chart ...

Page 172: ...172 KX FP365CX KX FM388CX 16 3 3 Test Chart ...

Page 173: ...173 KX FP365CX KX FM388CX Memo ...

Page 174: ...2 3 1 1k R11 36k R12 2 5VD DG 100k R18 24VA DG 2 5VD C18 DG RB6 3 3VD DG DG 16 100n C39 CA13 1 2 3 4 A0 A1 A2 A3 A7 A4 A6 A5 RB0 RB1 A11 A8 A12 RB2 A10 A9 RB4 RB5 RB3 3 3VD CN1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 10k RA5 1 2 3 4 4 7k R8 DG 3 3VD 16 100n C116 16 100n C117 100 R16 Q2 B C E Q4 B C E R17 NC C12 DG 5VA 22k RA12 1 2 3 4 RD WR Q14 B C E A 0 A 1 A 2 A 3 A 4 A 5 A 6 A 7 A 8 A 9 A ...

Page 175: ...00n C6 NC C9 DG DG 16 100n C40 Q7 1 3 2 4 7M R40 330k R39 DG DG 3 3V BATIN 2 5V BATIN 3 3V BAT 2 5V BAT 1 P12 DQ2 AN2 2 P13 DQ3 AN3 3 P14 DQ4 AN4 4 P15 DQ5 AN5 5 P16 DQ6 AN6 6 P17 DQ7 AN7 7 CNVSS 8 RESET 9 VCCE 10 VREF 11 VSS 12 XIN 13 XOUT 14 VCC 15 CNVSS2 16 P60 LED0 17 P61 LED1 18 P62 LED2 19 P63 LED3 20 PVSS 21 PVCC 22 DVCC 23 USBVREF 24 TrON 25 D0 26 D0 27 P20 28 P21 29 P22 30 P23 31 P24 32 P...

Page 176: ... 6 7 5 6 7 4 V 8 V 4 V 8 V 1 IO1 2 OI1 3 OI2 4 IO2 5 CONT2 6 CONT3 7 VSS 8 IO3 9 OI3 10 OI4 11 IO4 12 CONT4 13 CONT1 14 VDD 2 7k R53 1 8k R55 50 2 2n C52 820k R50 27k R49 110k R51 NC C57 100n C58 50 68p C63 560k R56 6 8k R60 3 3k R61 3 3M R67 18k R74 DG To Analog KX FM388 only 120k RA11 1 2 3 4 Q11 B C E Q12 B C E C118 C119 CN7 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 5 6 7 3 2 1 4 V 8 V L3 L4 L5...

Page 177: ...served5 27 Reserved6 28 Reserved7 29 Reserved8 30 Reserved9 31 Reserved10 32 Reserved11 33 Reserved12 34 Reserved13 35 Reserved14 36 Reserved15 37 Reserved16 38 Reserved17 39 Reserved18 40 Reserved19 41 Reserved20 42 Reserved21 43 Reserved22 44 Reserved23 45 Reserved24 46 IA_AVSS2 47 IA1_RXP 48 Reserved25 49 IA1_HSMICP 50 IA1_HSMICM 51 IA1_HSMIC_BIAS 52 IA1_BG 53 IA1_VC 54 IA_AVDD 55 Reserved26 56...

Page 178: ...01 22 R103 AG AG AG 2 5V 5VA 5V 5V DG AG R116 NC 5V DG 100n C103 NC NC C118 NC C114 100p C106 C116 100n CN106 5 1 2 3 4 6 7 8 L101 L102 L103 L104 FG2 FG2 Q101 Q102 SW101 KX FM388 only 4 3 1 2 DG FG2 FG1 R149 NC JJ108 0 CN101 1 5V 2 DG 3 RLY 4 HOOK 5 LINE RX 6 LINE TX 7 AG 8 HS RX 9 HS TX 10 BELL CPC 11 PSHORT ACK_EN 12 DCN 13 MONRX 14 DG 15 VBUS_IN 16 D 17 D JJ109 NC C138 NC IC101 3 2 1 IC101 4 GN...

Page 179: ... 5VA 750k R130 2 5VL AG 47k R134 Q105 B C E 5VA 330 R135 AG 47u C128 D111 3 1 2 AG AG PC103 1 2 3 4 CN105 1 HSMIC 2 HSSP 3 HSSP 4 HSMIC 5 6 R131 0 DG 33n C129 33n C130 10n C135 10n C132 10n C131 4 7n C124 C122 NC C133 NC 100p C126 5V AG R146 NC D107 NC D105 NC T102 NC 5 3 2 4 1 D110 NC 3 1 2 JJ107 NC L113 L114 L111 L112 L109 L110 L107 L108 JJ102 JJ101 NC NC R137 NC R125 NC NC R150 IC101 5 6 7 120 ...

Page 180: ...B 25 D4 STBB IP 26 D5 CSB IP 27 D6 CLK IP 28 D7 DIO IP 29 RESET 30 SCLK 31 RXD 32 TXD 33 START 35 LED2 36 LED3 37 LED4 38 VSS2 39 VDD2 40 LED5 41 KIN0 42 KSL0 43 KSL1 44 4 SW304 1 2 SKEY 5 SW328 1 2 STOP SW333 1 2 5V 5V 5V 5V 5V MIC 1 2 SW338 4 3 1 2 SW337 4 3 1 2 TP301 TP302 AUTO ANSWER RED D301 1 2 NC R318 NC R319 NC R320 NC R321 NC R323 1k R309 AP1 CN301 1 GND 2 5V 3 KSTART 4 KLATCH 5 KRXD 6 KT...

Page 181: ... 1k D201 T101 C122 0 22 D110 47k R112 R110 47 R106 100k R201 47 R221 D205 1k R224 5 6k VR201 4 7k R230 150 2 R231 150 2 R234 47k R233 47k R232 15k R202 R225 3 3k R222 PC101 1K Q203 R229 18k R113 10k R107 47 2W G S D Q101 D107 100 R123 1 8k R105 D106 R111 15 D103 D102 D104 D101 0 22 2 ZNR101 L101 750 R101 1M R102 1M R103 1M R122 390 KX FP365CX KX FM388 CX POWER SUPPLY BOARD D105 L102 L103 C124 0 01...

Page 182: ... 10 11 12 13 14 15 16 17 18 CN408 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 BAT401 1 2 GND 2 2k R408 D407 A K GND CN405 1 2 3 GND PS401 2 1 4 3 GND CN406 1 COM 2 DATA 3 STB2 4 GND 5 CLOCK 6 TM 7 3 3V 8 GND 9 STB1 10 LATCH 11 COM GND GND C402 NC NC C403 GND GND 6V 5V 5V 5V CN404 1 2 3 4 5 6 7 8 50 100n C401 180 R410 100 R401 CN403 1 2 3 4 5 D401 A K D402 NC NC A K HEADON TM 0 TM 1 TM 2 TM 3 RM 0...

Page 183: ... R40 R39 R78 R59 R99 R84 R93 R81 L5 IC5 IC7 IC12 IC3 IC1 NMI CA92 EYCLK CA32 1 CA12 17 D D DTR DSR 16 1 1 1 1 32 33 48 49 64 CTS RXD TXD RTS D0 D6 D7 D2 D3 D1 D4 Q10 Q7 C25 C117C116 C22 C21 C27 C23 X3 EYXY EYSYNC C36 80 81 A1 A0 CE2 CE1 MFCS C46 C68 C47 XTST C43 C44 C66 C125 30 C53 C124 C60 C41 C35 C33 C34 F1FTG C65 C64 C62 C101 C102 51 17 C103 C89 2 5V BAT 3 3V BAT R26 R25 R24 R33 3 3V GND 6V R14...

Page 184: ...2 RA12 RA1 RA11 RA9 1 15 28 RA14 RA4 8 1 18 1 16 17 32 1 1 E E Q13 Q12 Q3 Q1 Q11 C126 C84 C88 C5 C20 C7 CN6 CN4 CA13 C50 C51 C80 C78 C52 C61 C91 C110 C109 C98 C111 C112 C96 C83 C123 C114 1 1 2 7 C49 C105 8 8 8 1 4 1 1 7 14 8 8 1 1 4 4 4 17 5 5 5 5 C38 C18 C87 C73 X4 1 C121 17 32 16 1 E C122 RA3 R98 R23 R17 R32 R41 R74 R18 R49 R73 R72 R75 R69 R65 R50 R51 R92 R77 R91 R55 R11 R16 R8 R2 R7 R10 L1 CA82...

Page 185: ...R121 R128 R134 R143 R135R144 R129 R145 R142 R130 R107 R106 R112 R117 PC101 PC103 PC102 R116 C117 C119 5 1 1 4 3 6 2 2 L103 D GND D VBUS L102 L101 L111 L114 L113 L112 L104 C122 C115 T101 LINE EXT SW101 USB C138 C112 C111 C126 C129 C130 C108 C104 C106 C105 C109 C103 C120 C121 C114 D111 C116 C124 C132 C135 C131 C118 L106 L108 L109 L110 L107 C110 C107 C133 D109 D110 Q103 Q107 Q104 17 1 B B VBS GND MRX...

Page 186: ...R127 R131 L116 R146 R125 SA101 CN103 CN104 L115 J103 J118 D101 C102 RLY101 RLY102 J109 J111 J114 J115 C136 C137 JJ105 JJ108 JJ106 SA102 D113 J101 C123 J120 J121 J113 J110 C113 C134 C128 CN105 C101 SW101 R147 POS101 JJ107 J102 R148 D112 CN106 CN101 10pin 13pin 17pin 1 17 A T101 T102 R133 R137 JJ109 KX FP365CX KX FM388CX ANALOG BOARD Component View ...

Page 187: ... KX FM388CX OPERATION BOARD Bottom View IC301 CN302 CN301 A WHITE PFUP1665Z a PbF C316 C317 C310 C314 C318 C321 C320 C303 C305 C301 C313 C312 C306 C307 C308 C311 C302 C315 R321 R323 R324 R325 R312 R313 R310 R314 R326 R307 R329 R328 R327 R331 Q301 R318 R319 R320 R311 R308 R317 R303 R306 R309 R304 R305 R302 R330 R301 L301 BLACK SW337 SW338 ...

Page 188: ...ST MENU SET CALLER ID FLASH HANDSET MUTE MONITOR SP PHONE S4 SW327 SW328 SW329 SW330 AUTO ANSWER REC SW332 D301 SW333 SW334 SW335 SW336 SW331 C304 BROADCAST PLAYBACK COPY FAX START STOP ERASE SW313 REDIAL PAUSE JJ323 JJ325 JJ310 JJ319 JJ312 JJ318 JJ315 JJ309 JJ307 JJ322 JJ304 JJ321 JJ314 JJ305 JJ317 JJ303 JJ302 R316 JJ308 JJ324 JJ320 SW302 SW307 SW311 SW303 SW308 SW312 1 2 3 4 5 6 7 8 9 0 KX FP365...

Page 189: ...F1910EK SEE SOLDER SIDE FUSE CAUTION 94V 0 L N ZNR101 F101 C103 C102 JP104 JP105 JP103 JP102 L103 R105 C109 L102 C211 D201 JP208 JP207 JP206 JP204 JP205 C201 C217 R230 CN202 1 8 L201 C111 R110 D107 D105 C105 D110 D102 C106 C108 C110 D106 R107 R106 PC101 PRIMARY SECONDARY T101 R111 JP101 JP106 JP202 JP209 D205 R201 R231 C215 C212 C216 VR201 D202 IC202 Q101 D104 D103 D101 BROWN BLUE L101 C101 PbF Co...

Page 190: ... 1 5 18 5 1 1 1 1 8 3 8 8 9 9 16 18 16 Bottom View PFUP1664Z b PbF J404 J408 C405 C406 CN407 CN408 CN406 E E IC401 IC402 R410 D407 J403 D401 CN405 CN404 CN402 CN403 OPE RX TX D403 D405 D404 D406 8 8 8 3 1 1 1 1 1 8 18 18 1 5 1 1 1 1 9 9 16 16 11 5 D402 J405 J406 J401 Q401 Q402 POWER R407 R401 R406 BAT401 CN401 PS401 A KX FP365CX KX FM388CX INTERFACE BOARD Component View ...

Page 191: ...191 KX FP365CX KX FM388CX 18 6 Sensor Board PCB6 SW502 SW501 PFUP1301Y CN501 PbF A KX FP365CX KX FM388CX SENSOR BOARD Bottom View Component View BLACK RED WHITE PFUP1301Y A PbF ...

Page 192: ...ndix Information of Schematic Diagram 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 ...

Page 193: ...193 KX FP365CX KX FM388CX 20 Exploded View and Replacement Parts List 20 1 Cabinet Mechanical and Electrical Parts Location 20 1 1 General Section ...

Page 194: ...194 KX FP365CX KX FM388CX 20 1 2 Operation Cover Section ...

Page 195: ...195 KX FP365CX KX FM388CX 20 1 3 Back Cover Section ...

Page 196: ...196 KX FP365CX KX FM388CX ...

Page 197: ...197 KX FP365CX KX FM388CX 20 1 4 Upper Cabinet Section ...

Page 198: ...198 KX FP365CX KX FM388CX 20 1 5 Lower Cabinet Section ...

Page 199: ...199 KX FP365CX KX FM388CX 20 1 6 Gear Block Section 20 1 7 Screws ...

Page 200: ...200 KX FP365CX KX FM388CX 20 1 8 Accessories and Packing Materials ...

Page 201: ...1289Y3 PUSH BUTTON 3 KEY ABS 19 PFBX1291Z1 PUSH BUTTON 16 KEY ABS 20 PFBC1203Z3 PUSH BUTTON NAVIGATOR ABS 21 PNHX1164Z TAPE 22 PNJS021027Z CONNECTOR Safe ty Ref No Part No Part Name Description Remark s 32 PFDE1189X2 LEVER CASSETTE S PS HB 33 PFKV1071X2 COVER U TURN S PS HB 34 PFQT2999Z INDICATION LABEL PAPER SET 35 PNGT1909Y M NAME PLATE for KX FP365 35 PNGT1923Y M NAME PLATE for KX FM388 36 PFQT...

Page 202: ...FDG1158Z GEAR POM HB 159 PFDG1159Z GEAR POM HB 160 PFHR1355Y ARM POM HB 161 PFHR1186Z SPACER SUPPORT BASE POM HB 162 PFDG1282Z GEAR POM HB 163 PFDG1283Z GEAR POM HB 164 PFDG1284Z GEAR POM HB 165 PFDG1285Z GEAR POM HB 166 PFDG1153Z GEAR POM HB 167 PFDG1286Z GEAR POM HB 168 PFMD1062Y FRAME 169 PFDG1154Z GEAR POM HB Safe ty Ref No Part No Part Name Description Remark s 170 L6HAYYYK0017 DC MOTOR RX 17...

Page 203: ...M R49 ERJ2GEJ273X 27k R50 ERJ2GEJ824 820k R51 ERJ2GEJ114 110k R53 ERJ2GEJ272 2 7k R55 ERJ2GEJ182 1 8k R56 ERJ2GEJ564 560k R58 ERJ2GEJ103 10k R60 ERJ2GEJ682 6 8k Safe ty Ref No Part No Part Name Description Remark s R61 ERJ2GEJ332 3 3k R62 ERJ2GEJ821 820 R64 ERJ2GEJ104 100k R65 ERJ2GEJ223 22k R66 ERJ2GEJ473 47k R67 ERJ2GEJ335 3 3M R68 ERJ2GEJ272 2 7k R69 ERJ2GEJ333 33k R71 ERJ2GEJ220 22 R72 ERJ2GEJ...

Page 204: ...4 CONNECTOR 17 PIN COMPONENTS PARTS Safe ty Ref No Part No Part Name Description Remark s CA12 F5A421040004 CAPACITOR ARRAY CA13 F5A421040004 CAPACITOR ARRAY CA28 F5A421040004 CAPACITOR ARRAY CA32 F5A421040004 CAPACITOR ARRAY CA71 F5A421040004 CAPACITOR ARRAY CA82 F5A421040004 CAPACITOR ARRAY CA92 F5A421040004 CAPACITOR ARRAY RA1 EXB28V332JX RESISTOR ARRAY RA2 EXB28V101JX RESISTOR ARRAY RA3 EXB28V...

Page 205: ...C63 ECUE1H680JCQ 68P C64 ECUV1A105ZFV 1 C67 ECUE1C104ZFQ 0 1 C68 ECUV1A105ZFV 1 Safe ty Ref No Part No Part Name Description Remark s C69 ECUE1C104ZFQ 0 1 C70 ECUE1C104ZFQ 0 1 C72 ECUE1H120JCQ 12P C73 ECUE1C104ZFQ 0 1 C74 ECUE1C103KBQ 0 01 C75 ECUE1H120JCQ 12P C77 ECUE1A683KBQ 0 068 C78 ECUE1C223KBQ 0 022 C79 ECUE1H102KBQ 0 001 C80 ECUV1H104ZFV 0 1 C83 ECUE1A104KBQ 0 1 C84 ECUE1H100DCQ 10P C85 ECU...

Page 206: ...KA4R7 4 7 S C115 ECUV1C393KBV 0 039 C116 ECUV1C104KBV 0 1 C120 ECUV1H181JCV 180P C121 ECUV1H181JCV 180P C124 ECUV1H472KBV 0 0047 C126 ECUV1H101JCV 100P C128 ECEA0JKA470 47 S C129 ECUV1C333KBV 0 033 C130 ECUV1C333KBV 0 033 C131 ECUV1H103KBV 0 01 C132 ECUV1H103KBV 0 01 C134 ECEA0JKA470 47 S C135 ECUV1H103KBV 0 01 C136 F0C2E105A216 1 Safe ty Ref No Part No Part Name Description Remark s PCB3 PNWP3FP3...

Page 207: ...LECTRIC TRANS DUCER PC101 PFVIPC123 PHOTO COUPLER S Safe ty Ref No Part No Part Name Description Remark s VARISTOR ZNR101 ERZV10D751 VARISTOR S RESISTORS R105 ERX2SJR22E 0 22 R110 ERDS2TJ470 47 S R111 ERDS2TJ150 15 S R112 ERJ3GEYJ101 100 S R222 ERJ3GEYJ102 1k S CAPACITOR C106 EEUGH2W470U 47 S Safe ty Ref No Part No Part Name Description Remark s PCB5 PFLP1915CX B INTERFACE BOARD ASS Y RTL for KX F...

Page 208: ...fe ty Ref No Part No Part Name Description Remark s PCB6 PFWP4FP706CN SENSOR BOARD ASS Y RTL SW501 K0MA11000041 SIGNAL SWITCH S SW502 PFSH1A011Z SWITCH HOOK LEVER Safe ty Ref No Part No Part Name Description Remark s PCB7 PNWP5FP365CX MICROPHONE BOARD ASS Y RTL MIC L0CBAB000070 BUILTIN MICROPHONE Safe ty Ref No Part No Part Name Description Remark s ...

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