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Panasonic KX-FT931LA-B, Руководство по обслуживанию

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171

KX-FT931LA-B

20.6. Operation Board Parts

L12   

ERJ3GEY0R00        0

 

 

L13   

ERJ3GEY0R00        0

 

 

L14   

ERJ3GEY0R00        0

 

 

L15   

ERJ3GEY0R00       0

L16   

ERJ3GEY0R00        0

 

 

L17   

ERJ3GEY0R00        0

 

 

L34   

ERJ6GEYJ1R0        0

 

 

R1    

ERJ3GEYJ101       100

  

R2    

ERJ3GEYJ103       10K                              

R5    

ERJ3GEY0R00       0

R10   

ERJ3GEYJ114       110K                             

R11   

ERJ3GEYJ114       110K                             

R13   

ERJ3GEYJ623       62K                              

R14   

ERJ3GEYJ182       1.8K                             

R15   

ERJ3GEYJ124       120K                             

R16   

ERJ3GEYJ513       51K                              

R17   

ERJ3GEYJ913       91K                              

R18   

ERJ3GEYJ623       62K                              

R19   

ERJ3GEYJ224       220K                             

R20   

ERJ3GEYJ224       220K                             

R21   

ERJ3GEYJ393       39K                              

R22   

ERJ3GEYJ622       6.2K                             

R24   

ERJ3GEYJ514       510K                             

R25   

ERJ3GEYJ103       10K                              

R26   

ERDS2TJ271        270

 S

R28   

ERJ3GEYJ822       8.2K                             

R29   

ERJ3GEYJ682       6.8K                             

R30   

ERJ3GEYJ563       56K                              

R31   

ERJ3GEYJ334       330K                             

R32   

ERJ3GEYJ393       39K                              

R34   

ERJ3GEY0R00        0

 

 

R35   

ERJ3GEYJ622       6.2K                             

R36   

ERJ3GEYJ222       2.2K                             

R38   

ERDS1TJ223        22K                             S

R39   

ERJ3GEYJ564       560K                             

R40   

ERJ3GEYJ222       2.2K                             

R41   

ERG2SJ101         100

  

R42   

ERJ3GEYJ624       620K                             

R43   

ERJ3GEYJ331       330

  

R44   

ERJ3GEYJ224       220K                             

R45   

ERDS1TJ153        15K                             S

R46   

ERJ3GEYJ183       18K                              

R47   

ERJ3GEY0R00        0

 

 

R48   

ERJ3GEYJ562       5.6K                             

R49   

ERJ3GEYJ103       10K                              

R50   

ERJ3GEYJ103       10K                              

R51   

ERJ3GEYJ473       47K                              

R52   

ERJ3GEYJ220       22

  

R54   

ERDS2TJ220        22

 S

R55   

ERJ3GEYJ152       1.5K                             

R56   

ERJ3GEYJ152       1.5K                             

R57   

ERJ3GEYJ331       330

  

R58   

ERJ3GEY0R00        0

 

 

R60   

ERJ3GEYJ103       10K                              

R63   

ERJ3GEYJ105       1M                               

R8    

ERJ3GEYJ103       10K                              

R81   

ERJ3GEY0R00        0

 

 

R82   

ERJ3GEY0R00        0

 

 

R9    

ERJ3GEYJ622       6.2K                             

R91   

ERJ3GEY0R00        0

 

 

(CAPACITORS)

C1    

ECJ1VB1H103K      0.01

  

C2    

ECJ1VB1H103K      0.01

  

C4    

ECEA1HKA4R7       4.7

 S

C5    

ECJ1VB1H103K      0.01

  

C6    

ECEA0JKA470       47

 S

C7    

ECJ1VF1E104Z      0.1

  

C8    

ECJ1VC1H221J      220P                          

C9    

ECJ1VC1H221J      220P                             

C11   

ECJ1VB1C333K      0.033

  

C12   

ECJ1VB1C104K      0.1

  

Ref. 

No.

Part No.

Part Name & Description

Remarks

C14   

ECJ1VB1H392K      0.0039

  

C15   

F2A1C1000030      10

  

C17   

ECJ1VB1C473K      0.047

  

C18   

ECJ1VB1H682K      0.0068

  

C19   

ECJ1VB1C473K      0.047

  

C20   

ECJ1VF1E104Z      0.1

  

C21   

ECJ1VB1C473K      0.047

  

C23   

ECJ1VC1H270J      27P                              

C24   

ECJ2VF1H104Z      0.1

  

C25   

ECJ1VB1C223K      0.022

  

C28   

ECEA1HKA4R7       4.7

 S

C29   

ECJ1VB1C393K      0.039

  

C30   

ECJ1VB1C104K      0.1

  

C31   

ECJ1VF1E104Z      0.1

  

C32   

ECJ1VC1H820J      82P                              

C33   

ECJ1VB1C104K      0.1

  

C34   

ECJ1VC1H221J      220P                             

C38   

F0C2E105A146      1

 

 

C39   

ECJ1VB1H472K      0.0047

  

C40   

ECJ1VB1C273K      0.027

  

C41   

ECJ1VB1C273K      0.027

  

C42   

ECEA0JKA470       47

 S

C45   

F2A1C1000030      10

  

C46   

ECJ1VB1H103K      0.01

  

C47   

ECEA0JKA470       47

 S

C48   

ECJ1VB1H103K      0.01

  

C49   

ECJ1VB1H103K      0.01

  

C50   

ECJ1VB1C683K      0.068

 S

C51   

ECJ1VB1C104K      0.1

  

C71   

ECEA1VKA330       33

  

C72   

F1J1H104A578      0.1

  

Ref. 

No.

Part No.

Part Name & Description

Remarks

PCB3

PFWP2FT932CN

OPERATION BOARD ASS'Y (RTL)

PCB3-1

K0L1BA000095

SWITCH, SENSOR

PCB3-2

K0L1AA000002

SWITCH, SENSOR

(IC)

IC1   

C1ZBZ0002089      IC                               

(DIODE)

LED1  

LNJ801LPDJA       LED

  

(CONNECTOR)

CN1   

K1KA10B00215      CONNECTOR, 10 PIN

  

(LIQUID CRYSTAL DISPLAY)

CN2   

L5DAAFB00001      LIQUID CRYSTAL DISPLAY           

(SWITCHES)

SW1   

EVQ11Y05B          SPECIAL SWITCH                  S

SW2   

EVQ11Y05B          SPECIAL SWITCH                  S

SW3   

EVQ11Y05B          SPECIAL SWITCH                  S

SW4   

EVQ11Y05B          SPECIAL SWITCH                  S

SW5   

EVQ11Y05B          SPECIAL SWITCH                  S

SW6   

EVQ11Y05B          SPECIAL SWITCH                  S

SW7   

EVQ11Y05B          SPECIAL SWITCH                  S

SW8   

EVQ11Y05B          SPECIAL SWITCH                  S

SW9   

EVQ11Y05B          SPECIAL SWITCH                  S

SW10  

EVQ11Y05B          SPECIAL SWITCH                  S

SW11  

EVQ11Y05B          SPECIAL SWITCH                  S

SW12  

EVQ11Y05B          SPECIAL SWITCH                  S

SW13  

EVQ11Y05B          SPECIAL SWITCH                  S

SW14  

EVQ11Y05B          SPECIAL SWITCH                  S

SW15  

EVQ11Y05B          SPECIAL SWITCH                  S

SW16  

EVQ11Y05B          SPECIAL SWITCH                  S

SW17  

EVQ11Y05B          SPECIAL SWITCH                  S

SW18  

EVQ11Y05B          SPECIAL SWITCH                  S

SW19  

EVQ11Y05B          SPECIAL SWITCH                  S

Ref. 

No.

Part No.

Part Name & Description

Remarks

Содержание KX-FT931LA-B

Страница 1: ... Matsushita Electric Industrial Co Ltd All rights reserved Unauthorized copying and distribu tion is a violation of law Order No KMF0605960CE Personal Facsimile KX FT931LA B B Black Version for Latin America ...

Страница 2: ... 55 10 3 Print Test Pattern 55 11 Service Mode 56 11 1 Programming and Lists 56 11 2 The Example of the Printed List 59 12 Troubleshooting Guide 63 12 1 Troubleshooting summary 63 12 2 Error Messages Display 64 12 3 Error Messages Report 65 12 4 Remote Programming 87 12 5 Troubleshooting Details 90 13 Service Fixture Tools 116 14 Disassembly and Assembly Instructions 117 14 1 Disassembly Flowchart...

Страница 3: ...lnerable to static electricity When repairing the following precautions will help prevent recurring malfunctions 1 Cover the plastic part s boxes with aluminum foil 2 Ground the soldering irons 3 Use a conductive mat on the worktable 4 Do not touch the IC or LSI pins with bare fingers 1 1 1 Suggested PBF Sloder There are several types of PbF solder available commercially While this product is manu...

Страница 4: ...may be found on different areas of the same P C Board depending on manufacture date 1 2 AC Caution For safety before closing the lower cabinet please make sure of the following precautions 1 The earth lead is fixed with the screw 2 The AC lead is connected properly to power supply unit 3 Wrap the earth lead around the core 5 times 4 Wrap the AC lead around the core 5 times ...

Страница 5: ... 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 pri...

Страница 6: ...es 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 ...

Страница 7: ...gher 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 figure below 2 2 Insulation Resistance Test 1 Unplug the power cord and short the two prongs of the plug with a jumper wire 2 Turn on the power switch 3 Measure the resistance value with an ohmmeter between the...

Страница 8: ...ing Width 208 mm Transmission Time 1 Approx 15 s page Original mode 2 Scanning Density Horizontal 8 pels mm Vertical 3 85 lines mm in standard resolution 7 7 lines mm in fine photo resolution 15 4 lines mm in super fine resolution Photo resolution 64 level Scanner Type Contact Image Sensor Printer Type Thermal printing Data Compression System Modified Huffman MH Modified READ MR Modem Speed 9 600 ...

Страница 9: ...cified recording paper Using other recording paper may affect print quality and or cause excessive wear to the thermal head 4 2 Translation Lists 4 2 1 Other 4 2 2 Error Message Report Model No Item Specifications Usage KX A106 Standard thermal recording paper 1 216 mm 30 m roll with 25 mm core ...

Страница 10: ...aling function Phonebook function 100 names Caller ID compatible Feature requires a subscription to caller identification ser vices 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 connected to a PBX system...

Страница 11: ...11 KX FT931LA B 6 Technical Descriptions 6 1 Connection Diagram ...

Страница 12: ... unit operations This memory is used 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 CIS image sensor to read transmitted documents 6 Motor Driver IC7 Drives the transmission motor and the reception motor 7 The...

Страница 13: ...DRIVER CPU OP PANEL I F 256kbit ROM 64Kbit SRAM A D IMAGE PROCESSING RTC SERIAL I F MOTOR I F PRINTER CONTROL VOL TONE 32 768KHz OSC 24MHz MOTOR SPEAKER HANDSET To FLASH PROGRAMMER 24 6V REG REG 5V 6V 24V 6V GATE ARRAY LCD PANEL English 2 lines Tact SW KEY MATRIX SENSOR x2 Doc sensor Read position sensor MESSAGE MIC FLASH 4Mbit TAM Model 3 3V NC IC6 LINERX CPC MONRX LINE EXT LINE Relay Transformer...

Страница 14: ...ND 2 VDDA 3 3 3 3V POWER SOURCE ANALOG 3 3V 3 AIN1 A 3 3V CIS IMAGE SIGNAL INPUT ATN1 4 AIN2 A 3 3V THERMISTOR TEMPERATURE WATCH INPUT 5 AIN3 A 3 3V LINE VOLTAGE DETECTION SIGNAL INPUT DCIN 6 AMON A 3 3V ANALOG SIGNAL MONITOR TERMINAL 7 VSS GND POWER SOURCE GND 8 X32OUT O 3 3V BATT RTC 32 768KHz CONNECTION 9 X32IN I 3 3V BATT RTC 32 768KHz CONNECTION 10 VDD 3 3V B POWER SOURCE 3 3V LITHIUM BATTERY...

Страница 15: ...O 3 3V CPU DATA BUS 2 68 DB4 I O 3 3V CPU DATA BUS 4 69 DB1 I O 3 3V CPU DATA BUS 1 70 DB5 I O 3 3V CPU DATA BUS 5 71 VDD 3 3V POWER SOURCE 3 3V 72 VSS GND POWER SOURCE GND 73 VSS GND POWER SOURCE GND 74 VDD 3 3V POWER SOURCE 3 3V 75 DB0 I O 3 3V CPU DATA BUS 0 76 DB6 I O 3 3V CPU DATA BUS 6 77 DB7 I O 3 3V CPU DATA BUS 7 78 XROMCS O 3 3V FLASH IC2 CHIP SELECT 79 RD O 3 3V CPU RD 80 WR O 3 3V CPU ...

Страница 16: ...3 RM3 IOP O 3 3V MOTOR B PHASE 124 RXE IOP O 3 3V MOTOR ENABLE 125 TMO O 3 3V OUTPUT PORT NC 126 VDD 2 5V POWER SOURCE 2 5V 127 VSS GND POWER SOURCE GND 128 TM1 IOP O 3 3V OUTPUT PORT ACK_EN 129 TM2 IOP O 3 3V OUTPUT PORT CISON 130 TM3 IOP O 3 3V OUTPUT PORT RLY 131 TXE IOP I 3 3V INPUT PORT CUT_POS 132 KSTART O 3 3V OPERATION PANEL CONTROL 133 KLATCH O 3 3V OPERATION PANEL CONTROL 134 KSCLK O 3 3...

Страница 17: ... F600H F7FFH DRAM access window 2 6 3 4 Reset Circuit Watch dog timer The output signal reset from pin 4 of the voltage detect IC IC3 is input to the ASIC IC1 114 pin 1 During a momentary 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 e...

Страница 18: ...power is turned ON power is supplied to RTC IC1 At this time the voltage at pin 14 of RTC IC1 is 3 3V When the power is turned OFF the battery supplies the power to RTC through J1 R80 D503 At that time the voltage at pin 14 of IC1 are about 2 5V When the power is OFF and the 5V and 3 3V voltages decrease the LOW is input to pin 114 of IC1 Pin 111 of IC1 outputs the reset signals Pin 11 of IC1 beco...

Страница 19: ... A In point C according 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 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 stabilize the...

Страница 20: ...n via routes 4 and 5 they are stored in RAM 4 The white black data stored as above via routes 6 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 route 9 and is printed out on recording paper Note Fine Reads 3 85 lines mm Super Fine Reads 7 7 lines mm Photo Reads 15 4 lines mm Transmission 1 Same processing as Co...

Страница 21: ...21 KX FT931LA B 6 4 2 Block Diagram ...

Страница 22: ...d upon the shift of dot increment 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 black dot locations 1 among latched data activates the driver and the current p...

Страница 23: ...23 KX FT931LA B ...

Страница 24: ...nd the transistor Q14 turns on This applies voltage to the light source 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 light source 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...

Страница 25: ...sing driver IC7 to go ON The motor coil is energized sequentially in 2 phase increments or 1 2 phase increments which causes a 1 step rotation A 1 step rotation is 0 13mm of recording paper or document paper The timing chart is below Stepping Motor Phase Pattern When the motor is OFF gate array IC1 pin 124 becomes a low level and Q2 and Q1 also turns OFF Instead of 24V 5V is suplied through D501 s...

Страница 26: ...uit Location Sensor Sensor or Switch Name Message Error DIGITAL CN5 Motor Position Sensor CALL SERVICE ANALOG SW1 Recording Paper Sensor CHECK COVER and OUT OF PAPER SW2 Hook SW SW3 JAM Sensor PAPER JAMED Operation Panel SW39 Document Top Sensor REMOVE DOCUMENT SW38 Document Set Sensor CHECK DOCUMENT ...

Страница 27: ...is no recording paper the plate is separated from the switch lever and the switch turns off Pin 20 of IC1 becomes a high level When there is recording paper the plate pushes the switch lever and the switch turns ON Pin 20 of IC1 becomes a low level Analog Board Signal IC1 119 Pin Home position Low level Other High level Signal IC1 20 Pin Paper Low level No paper High level ...

Страница 28: ...tection switch for determining whether the recording paper edge is in the correct position or not If the recording paper cannot be detected correctly at the JAM sensor position even when recording paper is present then JAM is dis played If the recording paper is at the sensor position then the switch turns on the IC1 21pin switches to a high level Analog Board SW Signal ON Hook OFF High level IC1 ...

Страница 29: ... of IC1 5 pin Operation becomes a high level Operation Board 6 5 6 Document Set Sensor SW38 When a document is set the SW becomes ON and input signal of IC1 6 pin Operation becomes a low level When there is no document the SW becomes OFF and the input signal of IC1 6 pin Operation becomes a high level Operation Board Signal IC1 5 pin Out of the Read Position High level At the Read Position Low lev...

Страница 30: ...al 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 85 lines mm Group II G2 Using reduction techn...

Страница 31: ... 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...

Страница 32: ... 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 Transmitter T...

Страница 33: ...mum 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 1 2...

Страница 34: ...ng side opti mizes 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 spee...

Страница 35: ...35 KX FT931LA B b Redundancy Compression Process Coding Mode This unit uses one dimensional MH format ...

Страница 36: ...e NCU section and enters 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 lev...

Страница 37: ...o pin 23 of ASIC IC1 on the digital board TEL LINE PC1 1 2 4 CN1 11 CN2 11 IC1 23 Note inside the digital board 6 7 3 ON OFF Hook Circuit Normally ON HOOK condition LINE RELAY RLY1 is OFF While OFF HOOK RLY1 turns ON This LINE RELAY is con trolled by pin 130 of IC1 through the Q7 ON HOOK IC1 130 Low Level Q7 OFF RLY1 OFF OFF HOOK IC1 130 High Level Q7 ON RLY1 ON 6 7 4 Pulse Dial Circuit Make state...

Страница 38: ...f 2 5 dB from pin 2 The transmission signal is input from CN1 pin 5 and output to the TEL line through C11 R16 IC2 6 7 and T1 Without a side tone circuit the transmission signal would return to the reception amplifier via C28 R27 and R26 Here the signal output from CN1 pin 5 passes through C28 R23 R22 R82 C21 and R18 and enters the amplifier IC2 pin 3 This is used to can cel the return portion of ...

Страница 39: ...gnal 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 ...

Страница 40: ...y To 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 Sgnal Route P 107 for the route of Caller ID DTMF signal ...

Страница 41: ... and received voices to and from the handset 2 Signal path Refer to Sgnal Route P 107 6 8 3 Monitor Circuit for Each Signals 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 Refer to Sgnal Route P 107 6 9 ATAS Automatic Telephone Answering System Section 6 9 1 Remote Receiving 1 Function This is the parallel connecti...

Страница 42: ...8 C216 C29 R38 R35 PC1 13 CN2 CN1 L1 13 Analog Board Digital Board To IC5 5VD 1 2 3 4 D8 24V Q7 RLY1 1 2 RLY 24VA 2 0V R13 R11 R10 C8 C7 C17 R18 R22 R23 R26 R27 R14 R15 D1 C21 4 3 2 1 8 IC2 Ref R41 L19 ZNR1 T1 C14 C28 C4 BELL R66 R65 R67 C54 Q10 D10 NC CN4 1 2 EXT TEL R2 R54 R219 D506 R220 C217 C69 R5 ...

Страница 43: ...odes They are controlled by the Gate Array IC1 and ASIC IC1 on the DIGITAL BOARD The key matrix table is shown below CN1 CN206 IC1 ASIC Chip on board type LCD GATE ARRAY IC1 CN2 READ POSITION SENSOR DOCUMENT SENSOR 37 KEYS MATRIX LED DIGITAL BOARD OPERATION BOARD KX FT931LA B OPERATION BOARD BLOCK DIAGRAM XLED8 9 KIN0 7 XLED13 ...

Страница 44: ...rive R25 R24 R15 and R17 are density control resistors Consequently in this unit the timing positive clock is generated by the LCD interface circuitry in the gate array IC1 DIsplay mode Density Normal Dark English font Global 2 lines LED1 IC1 22pin H L LED15 IC1 21pin L L LED14 IC1 20pin Hi Z L Chinese font 2 lines LED1 L H LED15 Hi Z H LED14 Hi Z H ...

Страница 45: ... and D13 and charges C5 to make DC voltage Then it supplies power to the con verter circuit Kick on voltage circuit Bias is applied to the Q1 gate via this circuit when the AC power is turned on and Q1 begins operating Input Circuit AC Input Surge absorber circuit G H 9 6V 24V Kick on Voltage Circuit E F GND Control Circuit R2 R3 Converter Circuit C D 6V Output Circuit 24V Output Circuit Rectifier...

Страница 46: ...ansfer 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 circuit according to the error amp rectifier Then depending on how f is controlled stabilization occurs Also when the current load becomes too large in order to decrease the voltage output the increase in f is controlled and th...

Страница 47: ...ws When the output voltage of the 24V circuit increases the current of the photo coupler PC101 increases the pulse width of the out put control circuit becomes higher and the ON period of Q101 becomes shorter Over Current Limiter O C L The highest drain current Q1 is limited by controlling f of Q1 of 24V The 24V output is limited by this circuit Over Voltage Circuit If the 24V output increases bec...

Страница 48: ...48 KX FT931LA B 7 Location of Controls and Components 7 1 Overview 1 Speaker 2 Document guides 3 Document feeder tray 4 Top cover 5 Document exit 6 Document entrance 7 Top cover release button ...

Страница 49: ...setting ON OFF 6 Station keys To use one touch dial feature 7 FAX START To start sending or receiving a fax 8 COPY To copy a document 9 TONE To change from pulse to tone temporarily during dialling when your line has rotary pulse services 10 PAUSE To insert a pause during dialing 11 MONITOR To initiate dialing without lifting the handset 12 BROADCAST To transmit a document to multiple parties 13 N...

Страница 50: ...nt the unit from functioning properly To protect the unit from damage hold both sides when you move it 8 2 Connections Important The unit will not function when there is a power failure To make calls in emergency situations you should con nect a telephone that can function during a power fail ure to the telephone line 1 Power cord Connect to the power outlet 120V 60 Hz 2 Telephone line cord Connec...

Страница 51: ... the top cover securely by pushing down on both sides 6 Press FAX START then tear off the excess paper by pulling it towards you Note If the paper is secured with glue or tape cut approxi mately 15 cm from the beginning of the roll before install ing it When the power cord is connected a message is printed each time the top cover is opened then closed If the recording paper is installed upside dow...

Страница 52: ...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 recommend using a copy machine to copy the original docu ment onto A4 or letter sized paper then sending the copied document 9 Operation Instructions 9 1 Setting Your Logo Your logo will be printed on the top of each page sent from your unit The logo ca...

Страница 53: ...n will change to uppercase or lower case letters alternately 1 Press 2 2 times 2 Press 4 3 times 3 Press 4 Press 5 3 times To correct a mistake 1 Press or to move the cursor to the incorrect character 2 Press STOP To erase all characters press and hold STOP 3 Enter the correct character To select characters using or Instead of pressing the dial keys you can select characters using or 1 Press repea...

Страница 54: ...aper reverse 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 Refer to Operation Panel Section P 112 SET KEY CHECK Service Mode 5 6 1 Checks the button operation Indicates the button code on the LCD wh...

Страница 55: ...0 3 Print Test Pattern 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 Code Button Name 04 FAX START 31 1 3D PAUSE 05 LOWER 32 2 3E FLASH RECALL 06 COPY 33 3 47 CALLER ID 08 MONITOR 34 4 64 STATION 1 0C AUTO ANSWER 35 5 65 STATION 2 0F REDIAL 36 6 66 ST...

Страница 56: ...se 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 Functions are accessed by entering...

Страница 57: ...heck See Test Mode P 54 556 Motor test 0 See Test Mode P 54 557 LED test See Test Mode P 54 558 LCD test See Test Mode P 54 559 Document jam detection select 1 ON 2 OFF 1 2 1 See Test Mode P 54 561 KEY test See Test Mode P 54 570 BREAK select 1 61 2 67 1 2 1 Sets the break of pulse dialing according PBX 571 ITS auto redial time set X number of times 00 99 05 Selects the number of times that ITS is...

Страница 58: ...ission and reception image are incorrect P 85 718 Receive speed selection 1 9600BPS 2 7200BPS 3 4800BPS 4 2400BPS 1 4 1 Adjusts the speed to start training during FAX recep tion Refer to Receive Problem P 81 and The unit can copy but the transmission and reception image are incorrect P 85 722 Redial tone detect 1 ON 2 OFF 1 2 1 Sets the tone detection mode after redialing 745 Power ON film feed 1 ...

Страница 59: ...59 KX FT931LA B 11 2 The Example of the Printed List 11 2 1 User Mode Example of a printed out list Note The above values are the default values ...

Страница 60: ...60 KX FT931LA B 11 2 2 Service Mode Settings Example of a printed out list Note The above values are the default values ...

Страница 61: ... KX FT931LA B 11 2 3 History Example of a printed out list 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 62 ...

Страница 62: ... The amount of time the TEL FAX mode setting was used 16 Not used 17 FINAL RECEIVE MODE The last set receiving mode by the user 18 TONE PULSE SELECTION The most recently used setting used 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 numbe...

Страница 63: ...lection 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 av...

Страница 64: ...the other dis played message instructions to print out the document For fax memory capacity Refer to Specifications P 8 The memory is full of received documents due to lack of recording paper or a recording paper jam Install paper or clear the jammed paper Refer to Jams P 136 When performing broadcast transmission the document being stored exceeded the memory capacity of the unit Send the entire d...

Страница 65: ...e 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 Q 8 51 COMMUNICATION ERROR RCV PIN is transmitted 8 OTHER FAX NOT RESPONDING RCV Rec...

Страница 66: ...66 KX FT931LA B ...

Страница 67: ...67 KX FT931LA B CROSS REFERENCE Test Mode P 54 ...

Страница 68: ...68 KX FT931LA B CROSS REFERENCE Test Mode P 54 ...

Страница 69: ...69 KX FT931LA B CROSS REFERENCE Test Mode P 54 ...

Страница 70: ...70 KX FT931LA B ...

Страница 71: ...71 KX FT931LA B CROSS REFERENCE Maintenance P 128 ADF Auto Document Feed Section P 92 Operation Panel Section P 167 CROSS REFERENCE Test Mode P 54 ...

Страница 72: ...72 KX FT931LA B ...

Страница 73: ...73 KX FT931LA B ...

Страница 74: ...74 KX FT931LA B CROSS REFERENCE Test Mode P 54 ...

Страница 75: ... 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 kbps RE...

Страница 76: ...emory 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 printed ...

Страница 77: ...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 2 3 Printout Example ...

Страница 78: ...essfully but sometimes 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 des...

Страница 79: ...79 KX FT931LA B 12 3 3 1 Defective Facsimile Section 12 3 3 1 1 Transmit Problem CROSS REFERENCE Operation Panel Section P 112 ADF Auto Document Feed Section P 92 Maintenance P 128 ...

Страница 80: ...T931LA B 12 3 3 1 2 Sometime there is a transmit problem Note Refer to Error Message Display P 10 for display message Note 596 Transmit level set represents a service code Refer to Service Function Table P 57 ...

Страница 81: ...ated problems such as OUT OF 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 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 err...

Страница 82: ...82 KX FT931LA B 12 3 3 1 4 The unit can copy but cannot transmit receive CROSS REFERENCE Analog Board Section P 107 Test Mode P 54 ...

Страница 83: ...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 returns...

Страница 84: ...ge 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 detection ...

Страница 85: ...e 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 57 TX side signal RX side signal Coun...

Страница 86: ...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 Mail b...

Страница 87: ...omer 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 87 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 du...

Страница 88: ...2 OFF ON OK 522 Auto standby select 1 ON 2 OFF ON OK 523 Receive equalizer select 1 0km 2 1 8km 3 3 6km 4 7 2km 0km OK 524 Transmission equalizer select 1 0km 2 1 8km 3 3 6km 4 7 2km 0km OK 544 Document feed position adjustment value set 1 3mm 2 4mm 3 5mm 4 6mm 5 7mm 5mm OK 550 Memory clear NG 551 ROM check NG 552 DTMF signal tone test 1 ON 2 OFF OFF OK 553 Monitor on FAX communication 1 OFF 2 Pha...

Страница 89: ...52 Print test pattern NG 853 Top margin 1 9 mm 3 OK 874 DTMF ON time 060 200 10ms OK 875 DTMF OFF time 060 200 10ms OK 880 History list 1 SET NG 881 Journal 2 1 SET NG 882 Journal 3 1 SET NG 961 The time transmitting the false ring back tone 01 10 x sec 05sec OK 962 The operator calling time 05 30 x sec 13sec OK 991 Setup list 1 Start OK 994 Journal list 1 Start OK 995 Journal 2 list 1 Start OK 99...

Страница 90: ...ay 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 91 Difficult problems may be hard to determine so rep...

Страница 91: ...ng an Abnormal Sound is Heard from the Unit P 98 Power supply Voltage output is abnormal See Power Supply Board Section P 109 Operation panel Keys are not accepted See Operation Panel Section P 112 Sensor If the electric circuit is the cause the error mes sage corresponding to the sensor will be dis played See Sensor Section P 113 SERIAL NO DATE FUNCTION JUDGEMENT REFERENCE FAX operation Transmiss...

Страница 92: ...ove the Operation Board LCD and Platen Roller P 120 3 Refer to Test Mode P 54 4 Refer to Digital Board Section P 99 5 Refer to Sensor Section P 113 6 Refer to How to Remove the Gear Block and Separation Roller P 126 7 Refer to How to Remove the Separation Holder and Document Feed Support P 121 8 Refer to Power Supply Board Section P 109 ...

Страница 93: ...1LA B 12 5 4 2 Document Jam CROSS REFERENCE Test Mode P 54 Sensor Section P 113 Note 1 Refer to How to Remove the Operation Board LCD and Platen Roller P 120 2 Refer to Disassembly and Assembly Instructions P 117 ...

Страница 94: ... KX FT931LA B 12 5 4 3 Multiple Feed Note 1 Refer to How to Remove the Separation Holder and Document Feed Support P 121 2 Refer to Disassembly and Assembly Instructions P 117 3 Refer to Maintenance P 128 ...

Страница 95: ...ons P 128 2 Refer to Disassembly and Assembly Instructions P 117 3 Refer to How to Remove the Separation Holder and Document Feed Support P 121 4 Refer to How to Remove the Operation Board LCD and Platen Roller P 120 5 Refer to How to Remove the Image Sensor CIS and Feed Roller P 122 ...

Страница 96: ...E Thermal Head Section P 115 Test Mode P 54 CIS Contact Image Sensor Section P 114 Note 1 Refer to Maintenance Items and Componet Locations P 128 2 Refer to Disassembly and Assembly Instructions P 117 3 Refer to How to Remove the Operation Board LCD and Platen Roller P 120 ...

Страница 97: ...o How to Remove the Lock Lever and Thermal Head P 123 2 Refer to Maintenance Items and Componet Locations P 128 3 Refer to How to Remove the Operation Board LCD and Platen Roller P 120 4 Refer to How to Remove the Image Sensor CIS and Feed Roller P 122 12 5 4 7 Skewed Receiving Image Note 1 Refer to Installing the Recording Paper P 51 ...

Страница 98: ...from the Unit Note 1 Refer to Document Feeder Cleaning P 137 2 Refer to Thermal Head Cleaning P 137 3 Refer to Disassembly and Assembly Instructions P 117 4 Refer to How to Remove the Motor of Gear Block P 126 5 Refer to How to Remove the Gear Block and Separation Roller P 126 ...

Страница 99: ...LASH 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 site ...

Страница 100: ...LCD Key And serial interface UART connects both systems Flash memory IC2 in the ASIC system is for software and also for user memory settings Phone book CID memory DRAM IC4 in the ASIC system is for work memory and also for fax memory The signal lines that must be normal for the system to boot up are listed here List 1 For signal lines other than these even if they malfunction they do not directly...

Страница 101: ...101 KX FT931LA B NG Wave pattern Note Refer to NG Example P 106 ...

Страница 102: ...of these signals If the timing of these signals is 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 sign...

Страница 103: ...103 KX FT931LA B I O and Pin No Diagram ...

Страница 104: ...104 KX FT931LA B 12 5 5 2 Check the Status of the Digital Board First please check voltages and oscillation whether they are correct as follows ...

Страница 105: ...105 KX FT931LA B ...

Страница 106: ...106 KX FT931LA B 12 5 5 3 NG Example ...

Страница 107: ...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 MONITOR trace that signal route locally with the following Check Sheet and locate the...

Страница 108: ...ion reception Following the ITS section or NCU section search for the route between the microphone and the telephone line sending or between the telephone line and the speaker receiving where the signal disappears Check the components at that point 2 No pulse dialing 3 No ring tone or No bell 4 No tone dialing ...

Страница 109: ...ltage test withstanding voltage test intentional short circuit test etc Caution If you find a melted fuse in the unit do not turn on the power until you locate and repair the faulty parts except for the fuse otherwise the fuse will melt again and you cannot pinpoint the faulty point In most cases the symptom is that nothing is output It is more likely that the fault is in the primary side rather t...

Страница 110: ...110 KX FT931LA B 12 5 7 2 Troubleshooting Flow Chart ...

Страница 111: ...1 Q1 The worst case of Q1 is a short circuit between the Drain and Gate because damage expands to the peripheral circuit of Q1 This is due to a very high voltage through the Gate circuit which is composed of R19 Q2 and Q21 etc You should change all of the parts listed as follows F1 Q1 R19 Q2 Q21 D101 D104 If D101 and D104 are broken the oscillation circuit in the power supply cannot operate Check ...

Страница 112: ...112 KX FT931LA B 12 5 8 Operation Panel Section 12 5 8 1 No Key Operation CROSS REFERENCE Test Mode P 54 12 5 8 2 No LCD Indication CROSS REFERENCE Test Mode P 54 ...

Страница 113: ...P 26 for the circuit descriptions 12 5 9 1 Check the Document Sensor SW39 CHECK DOCUMENT Note Refer to Error Message Display P 10 for display message 12 5 9 2 Check the Read Position Sensor SW38 REMOVE DOCUMENT Note Refer to Error Message Display P 10 for display message ...

Страница 114: ...114 KX FT931LA B 12 5 10 CIS Contact Image Sensor Section Refer to Scanning Block P 24 CROSS REFERENCE Test Mode P 54 ...

Страница 115: ...115 KX FT931LA B 12 5 11 Thermal Head Section Refer to Thermal Head P 22 ...

Страница 116: ...116 KX FT931LA B 13 Service Fixture Tools ...

Страница 117: ... Block P 119 A 2 How to Remove the Operation Board LCD and Platen Roller P 120 A 3 How to Remove the Separation Holder and Document Feed Support P 121 A 4 How to Remove the Image Sensor CIS and Feed Roller P 122 A 5 How to Remove the Lock Lever and Thermal Head P 123 B 1 How to Remove the Bottom Frame P 124 B 3 How to Remove the Gear Block and Separation Roller P 126 ...

Страница 118: ...SS REFERENCE B 1 How to Remove the Bottom Frame P 124 B 2 How to Remove the Analog Board Digital Board Power Supply Board and Power Cord P 125 B 3 How to Remove the Gear Block and Separation Roller P 126 B 4 How to Remove the Motor of Gear Block P 126 ...

Страница 119: ...119 KX FT931LA B 14 2 Disassembly Procedurel 14 2 1 How to Remove the Operation Panel Block ...

Страница 120: ...120 KX FT931LA B 14 2 2 How to Remove the Operation Board LCD and Platen Roller ...

Страница 121: ...121 KX FT931LA B 14 2 3 How to Remove the Separation Holder and Document Feed Support ...

Страница 122: ...122 KX FT931LA B 14 2 4 How to Remove the Image Sensor CIS and Feed Roller ...

Страница 123: ...123 KX FT931LA B 14 2 5 How to Remove the Lock Lever and Thermal Head ...

Страница 124: ...124 KX FT931LA B 14 2 6 How to Remove the Bottom Frame ...

Страница 125: ...125 KX FT931LA B 14 2 7 How to Remove the Analog Board Digital Board Power Supply Board and Power Cord ...

Страница 126: ...126 KX FT931LA B 14 2 8 How to Remove the Gear Block and Separation Roller 14 2 9 How to Remove the Motor of Gear Block ...

Страница 127: ...127 KX FT931LA B 14 2 10 Installation Position of the Lead Wires ...

Страница 128: ...and communication testing to determine if the problem originates from the transmitter receiver or the telephone line 4 Determine causes Determine the causes of the equipment problem by troubleshooting 5 Equipment repairs Repair or replace the defective parts and take appropriate measures at this stage to ensure that the problem will not recur 6 Confirm normal operation of the equipment After compl...

Страница 129: ...123 5 Sensors Document sensor SW39 Read position sensor SW38 Record ing paper cover open sensor SW1 Jam sensor SW3 Hook switch SW2 Confirm the operation of the sensors See Maintenance check Items Componet Locations P 128 6 Glass If the glass is dirty clean them with a dry soft cloth Refer to Document Feeder Cleaning P 137 7 Abnormal wear and tear or loose parts Replace the part Check if the screws...

Страница 130: ... 2 1 Mode Selection When the motor attached to the Drive Motor Gear rotates counterclockwise CCW Swing Gear A engages the CAM and the CAM turns counterclockwise to select a mode See Fig A There are three mode options controlled by the Switch A Transmit mode B Receive mode and C Copy mode In Fig B you can see which mode is selected by the position of the rib in the CAM Fig A ...

Страница 131: ...Gear A 1 controls the mode opera tion 15 2 2 1 TX Mode Swing Gear A engages Gear TX and conveys its drive power to the Separation Roller Gear for pre feeding documents Fig B TX mode 15 2 2 2 RX Mode Swing Gear B engages Gear RX and conveys its drive power to the Platen Roller Gear for printing the received data Fig C RX mode ...

Страница 132: ...Separation Roller Gear and the Platen Roller Gear for feeding documents and recording paper in the copying operation Fig D Copy mode 15 2 2 4 Reverse Mode Swing gear D engages between swing gear B and gear RX and conveys its drive power to the platen roller gear for reversing the recording paper Fig E Reverse mode ...

Страница 133: ...133 KX FT931LA B 15 2 3 Mechanical Movements in the Main Operations 15 2 3 1 Idle Status ...

Страница 134: ...134 KX FT931LA B 15 2 3 2 Scanning CROSS REFERENCE Sensor Section P 113 Error Messages Display P 64 15 2 3 3 Printing Note See Sensors and Switches P 26 ...

Страница 135: ...135 KX FT931LA B 15 2 3 4 Copying CROSS REFERENCE Sensor Section P 113 ...

Страница 136: ...e recording paper and close the top cover securely by pushing down on both sides See page Installing the Recording Paper P 51 15 3 2 Document Jams Sending 1 Open the top cover by pressing the top cover release but ton and remove the jammed document carefully 2 Close the top cover securely by pushing down on both sides Note Do not pull out the jammed paper forcibly before opening top cover ...

Страница 137: ... the power cord and the telephone line cord 5 Close the top cover securely by pushing down on both sides 15 4 2 Thermal Head Cleaning If smudges or black white lines appear on a copied received document check whether there is dust on the thermal head Clean it to remove the dust 1 Disconnect the power cord and the telephone line cord 2 Open the top cover by pressing the top cover release but ton an...

Страница 138: ...138 KX FT931LA B 16 Miscellaneous 16 1 Terninal Guide of the ICs Transistors and Diodes 16 1 1 Digital Board 16 1 2 Analog Board 16 1 3 Operation Board ...

Страница 139: ...139 KX FT931LA B 16 1 4 Power Supply Board ...

Страница 140: ...About Lead Free Solder PbF Pb free P 7 16 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 the IC and its pins first and then cut off the pins thoroughly 3 While the sold...

Страница 141: ...ACKAGE IC 3 Solder the pins sliding the soldering iron in the direction of the arrow 16 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 ...

Страница 142: ...142 KX FT931LA B 16 3 Test Chart 16 3 1 ITU T No 1 Test Chart ...

Страница 143: ...143 KX FT931LA B 16 3 2 ITU T No 2 Test Chart ...

Страница 144: ...144 KX FT931LA B MEMO ...

Страница 145: ...Q7 27 DQ8 28 VSS 28 1 INB 2 INA 3 GND 4 OUT 5 VCC DG DG DG R80 2 2K R78 330K R77 NC DG DG DG DG BAT1 R2 1 5K 1 2W Q6 Q5 Q4 Q2 Q9 D503 D501 PG C77 NC 5V 5V Z1u C71 CN206 1 MIC 2 5V 3 DG 4 KSTART 5 KLATCH 6 KRXD 7 KTXD 8 KSCLK 9 OPERST 10 NC 0 R70 R157 100 C70 NC L21 C13 J100p C14 J100p J100p C30 J100p C31 J100p C51 J100p C81 J100p C150 C12 Z0 1u Z0 1u C50 Z0 1u C82 Z0 1u C83 C87 Z0 1u Z0 1u C102 Z0...

Страница 146: ...8 R209 R208 L19 NC L20 NC 3 3VD L4 L3 5VA 5VA 5VA DG DG DG NC R147 1 CD 2 FC2 3 FC1 4 VIN 5 VO1 6 VCC 7 GND 8 VO2 NC R146 120K R145 9 1K R141 15K R140 120K R144 10K R142 0 R143 A B 1 2 3 4 V 5 6 7 8 V 3 3K R131 4 7K R38 C93 NC J100p C32 J100p C33 C91 NC C92 J100p J100p C127 J100p C232 K0 01u C34 K0 01u C113 Z0 1u C90 NC C106 C116 Z0 1u C117 NC C126 NC Z0 1u C172 Z0 1u C202 Z0 1u C206 C211 NC C212 ...

Страница 147: ...UTE 16 H SRX AG R25 10K L5 0 AG AG 1 2 3 4 8 12V C10 NC AG C15 16V10u AG C63 NC R81 0 R82 0 R91 0 C64 NC DA2 NC 1K 2A 1A2K SW2 1 2 3 4 5 6 R87 NC Q13 NC C66 NC D12 NC C54 NC C56 NC C69 NC JJ5 NC FG2 AG AG AG AG C2 K0 01u C5 K0 01u C71 35V33u R72 NC R69 NC Q10 NC R71 NC C60 NC C55 NC PC4 NC A K E C R66 NC R68 NC R67 NC R70 NC R65 NC Q11 NC 1 L34 C72 Z0 1u R27 0 R14 1 8K R23 NC R28 8 2K 6 8K R29 91K...

Страница 148: ...G AG L19 1 2 3 4 AG JJ1 NC JJ2 NC T3 NC 1 2 3 4 6 R59 NC C65 NC POS1 W5NL5T L33 ZNR1 NC C43 NC C67 NC R88 NC R84 NC C68 NC R86 NC PC6 NC A K E C 5V R85 NC R83 NC Q12 NC Q9 NC PC5 NC A K E C FLT3 NC 1 2 3 4 5 6 7 8 AG AG JJ3 NC JJ4 0 D10 NC 1 2 3 4 C53 NC R77 NC C52 NC PC2 NC 1 2 3 4 RLY1 2 1 2 RLY1 1 3 5 4 D13 NC L21 L23 L24 L22 D15 NC R45 15K 1 2W R38 22K 1 2W R35 6 2K 0 R58 R49 10K R50 10K C34 J...

Страница 149: ...W14 3 SW15 6 SW16 SW17 MONITOR SW18 SW19 FLASH PAUSE SW20 REDIAL SW21 NAVI LEFT SW22 NAVI DOWN SW23 NAVI UP SW24 NAVI RIGHT SW25 NAVI CENTER SW26 BOARDCAST SW27 SKEY 3 SW28 SKEY 2 SW29 RECORD NC SW30 SKEY 1 SW31 SKEY 6 SW32 MENU SW33 AUTO ANSWER SW34 SKEY 5 SW35 SKEY 4 SW36 ERASE NC SW37 PLAYBACK NC MIC MIC C14 J120p 0 R14 C13 K330p SW38 1 2 3 4 4 7K R23 100 R21 K0 01u C20 5V CN2 1 VSS 2 VDD 3 V0 ...

Страница 150: ...2 R23 D20 D9 R9 R12 R13 R11 D4 D105 C102 D107 D110 C112 R113 R413 R412 R411 C411 R117 C111 R114 VR101 IC401 PC1 R111 R121 R122 R119 R110 D5 C8 R5 BEA1 7 24V CNJ2 8 24V 9 24V 2 6 5V 3 6 5V 1 N C 4 GND 5 GND 6 GND C101 C103 KX FT931LA B POWER SUPPLY BOARD SCHEMATIC DIAGRAM 0 33 1M 1M 1M NC NC NC NC NC NC 18p 220 0 0033 20K 10 100K 180K 180K 560 0 01 0 100K 47K 0 0047 33K 33K 0 001 1 2 2 0 100p 100K ...

Страница 151: ...151 KX FT931LA B MEMO ...

Страница 152: ...CN3 C11 R1 E Q13 C81 C80 5 1 3 4 R71 E Q10 R73 R3 R2 E Q1 5 8 4 1 9 1 7 32 7 CN8 X1 CN1 R10 F1 1 25A C73 C10 1 D502 Q2 C74 C72 C75 Q7 E IC15 REF CH 2 CN6 CN5 YELLOW BLUE R172 10 1 IC7 1 5 8 1 9 16 CN206 1 2 1 R72 IC3 C78 E R90 C90 Q14 R157 R178 C93 C91 R91 R96 R70 C71 C77 17 16 1 J2 C103 PFUP1546Z C102 X2 C234 C228 C142 L18 R227 R229 B A A RA7 C94 IC10 C129 CN10 1 8 AUTO CH C236 C237 L7 C235 IC9 1...

Страница 153: ... R166 R204 EYECLK R205 R206 R202 C206 D2 A2 A0 A1 MFCS R102 A9 C105 C179 24LV CE1 WR ROMCS A10 RD A4 C178 A12 C50 R54 R53 CN206 1 10 5V R59 R55 R51 C51 A6 A7 A8 D1 R232 C200 D7 D6 D0 A5 L6 XCLK EYEXY EYESYNC 1 100 80 50 30 D3 A3 C177 D5 D4 A B L19 C242 C243 C208 1 2 CN9 C146 R144 C143 R141 R147 D504 R39 C34 CN2 C230 C231 C217 R220 C118 Q16 C110 C113 C111 R111 C165 C166 C87 C163 C162 R153 C158 R155...

Страница 154: ...4 JJ3 JJ4 R86 R9 C67 PC2 J28 PC6 SW2 C38 CN2 JJ2 CN4 SA1 L33 C28 SW1 SW3 J30 J29 C4 R27 R26 J24 J21 J20 J18 J17 C42 J27 J22 J15 J16 J11 J11 C54 C56 D5 D4 C71 R62 R45 R38 SA2 CN3 POS1 JJ1 L19 R41 C68 D15 D13 Q10 E 4 8 5 1 J4 JJ5 J2 J3 C45 C47 D7 D6 PFUP1547Z PbF KX FT931LA B Analog Board Component View C6 C10 CN1 1 16 J26 J6 J10 C15 PCB CH AUTO CH ...

Страница 155: ... LINE EXT LINE Q12 PC2 PC6 4 3 1 2 C E E IC2 4 5 8 1 A K R84 E 1 16 PbF DA2 R47 R9 R39 R2 R60 R25 L2 R5 R34 L11 C33 R46 R37 L1 R31 R30 R33 R29 C25 C11 R28 Q3 Q4 Q5 Q2 Q9 R72 C12 R17 E E E E E C24 L6 R20 R51 C39 L15 C44 R35 R65 C60 L5 24VA C32 C3 2V C37 R36 C35 R44 L12 C36 Q8 C50 R43 R61 C49 R63 C65 R59 C63 R66 C69 R58 C29 Q7 A E L22 L24 L23 L21 L16 C51 L17 R49 C34 R42 C30 L10 R40 R32 C46 C41 R55 R...

Страница 156: ...T SW26 J16 J6 J2 J1 J7 J26 C3 1 10 CN1 MENU SW32 ERASE SW36 PLAYACK SW37 AT ANS SW33 A LED1 REDIAL SW20 PAUSE SW18 SW17 MONITOR SW4 CN2 1 10 J11 J10 J5 J4 J15 J3 J8 J35 J9 J17 J20 1 SW9 2 SW10 5 SW12 8 SW11 0 SW14 3 SW30 S1 SW28 S2 SW27 SW23 SW21 SW25 SW22 KX FT931LA B Operation Board Component View SW24 S3 SW35 S4 SW34 S5 SW31 S6 SW15 6 SW13 9 SW16 4 SW8 7 SW7 SW6 C99 ...

Страница 157: ...C E R17 R19 R16 R15 R25 R24 C16 R18 C15 R50 R1 R3 R5 R2 C2 C1 C19 R20 R22 R4 C4 C9 R14 C7 C6 C13 C14 IC1 1 11 12 22 23 33 34 44 SW39 1 10 C20 R23 C25 R47 R48 R37 C26 C22 C28 R39 R35 R34 R21 C17 10 1 KX FT931LA B Operation Board Bottom View PFUP1560Z PbF ...

Страница 158: ...0 4A C3 C4 R19 J4 J101 C109 D105 J102 1 D110 J103 C7 D10 J2 WHITE BLUE BLACK BROWN N L ZNR1 COMPONENT VIEW BOTTOM VIEW L N R73 C10 R14 C15 R28 D27 D7 D17 Q22 Q2 Q23 R27 R7 R6 R26 C13 R71 R72 R2 R3 R4 C5 R31 R24 R21 R25 C14 C16 J3 J5 R12 Q101 R119 R115 R111 R112 R409 R410 C410 D104 R122 R121 R411 R412 R413 R114 R113 C112 C411 R110 C115 R117 C111 D4 R13 R11 R23 D9 R9 D22 D23 Q21 R5 J1 R8 KX FT931LA ...

Страница 159: ...nformation 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 3 ...

Страница 160: ...160 KX FT931LA B MEMO ...

Страница 161: ...161 KX FT931LA B 20 Exploded View and Replacement Parts List 20 1 Cabinet Mechanical and Electrical Parts Location 20 1 1 Operation Panel Section ...

Страница 162: ...162 KX FT931LA B 20 1 2 Upper Cabinet Section ...

Страница 163: ...163 KX FT931LA B 20 1 3 Lower Cabinet Section ...

Страница 164: ...164 KX FT931LA B 20 1 4 Gear Block Section ...

Страница 165: ...165 KX FT931LA B 20 1 5 Screws ...

Страница 166: ...166 KX FT931LA B 20 1 6 Accessories and Packing Materials ...

Страница 167: ...FUS1222Z SPRING 19 PFKR1087Z1 GUIDE RIGHT 20 PFKR1086Z1 GUIDE LEFT 21 PFUV1088Z2 COVER DOCUMENT GUIDE 22 PFHX1834Z READ SHEET WHITE PLATE 23 PFHG1210Z RUBBER SEPARATION 24 PFHR1504Y COVER SEPARATION HOLDER 25 PFUS1588Z SPRING SEP HOLDER 26 PFHR1503Z COVER DOC FEED SUPPORT 27 PFUS1631Z SPRING DOC SUPPORT 28 PFUV1105Z2 COVER OPERATION PANEL 29 PFDF1017Z SHAFT 30 PFDR1045Z ROLLER DOCUMENT SUB 31 PFUS...

Страница 168: ...IC IC3 C0CBCBD00047 IC IC4 C3ABKC000034 IC IC5 C1CB00001959 IC IC7 B1HAGFF00015 IC IC9 C0ABEB000052 IC IC10 C0JBAS000252 IC IC11 C0JBAA000474 IC IC12 C1BB00000129 IC IC15 C0CBADD00009 IC TRANSISTORS Q1 2SB1322 TRANSISTOR SI S Q2 PQVTDTC143E TRANSISTOR SI S Q4 PQVTDTC143E TRANSISTOR SI S Q5 PQVTDTC143E TRANSISTOR SI S Q6 PQVTDTC143E TRANSISTOR SI S Q7 B1DHDD000026 TRANSISTOR SI Q9 PQVTDTC143E TRANS...

Страница 169: ... CONNECTOR CN8 K1KA07A00257 CONNECTOR CN9 K1KA02A00587 CONNECTOR CN10 K1MN08A00017 CONNECTOR CN206 K1KA10A00412 CONNECTOR FUSES F1 K5H122200005 FUSE Ref No Part No Part Name Description Remarks F2 K5H251200003 FUSE COILS L3 PQLQR2KA113 COIL S L4 PQLQR2KA113 COIL S L6 PQLQR2KA20T COIL S L7 J0JCC0000042 COIL L17 PQLQR2KA20T COIL S L18 PQLQR2KA20T COIL S L21 PQLQR2KA113 COIL S R203 PQLQR2KA20T COIL S...

Страница 170: ...B38V103JV COMPONENTS PARTS CRYSTAL OSCILLATORS X1 H0A327200096 CRYSTAL OSCILLATOR X2 H2A240500005 CRYSTAL OSCILLATOR X3 H0J322500004 CRYSTAL OSCILLATOR Ref No Part No Part Name Description Remarks Ref No Part No Part Name Description Remarks PCB2 PFLP1754LAZ ANALOG BOARD ASS Y RTL ICs IC1 PFVINJM2904M IC S IC2 C0ABBB000047 IC S TRANSISTORS Q1 B1ABDF000025 TRANSISTOR SI Q2 B1GBCFJJ0047 TRANSISTOR S...

Страница 171: ...rt Name Description Remarks C14 ECJ1VB1H392K 0 0039 C15 F2A1C1000030 10 C17 ECJ1VB1C473K 0 047 C18 ECJ1VB1H682K 0 0068 C19 ECJ1VB1C473K 0 047 C20 ECJ1VF1E104Z 0 1 C21 ECJ1VB1C473K 0 047 C23 ECJ1VC1H270J 27P C24 ECJ2VF1H104Z 0 1 C25 ECJ1VB1C223K 0 022 C28 ECEA1HKA4R7 4 7 S C29 ECJ1VB1C393K 0 039 C30 ECJ1VB1C104K 0 1 C31 ECJ1VF1E104Z 0 1 C32 ECJ1VC1H820J 82P C33 ECJ1VB1C104K 0 1 C34 ECJ1VC1H221J 220...

Страница 172: ... S D7 1SS355F DIODE SI D9 1SS355F DIODE SI D10 PSVDERA1506 DIODE SI S D11 PSVDERA1506 DIODE SI S D12 PSVDERA1506 DIODE SI S D13 PSVDERA1506 DIODE SI S D17 1SS355F DIODE SI Ref No Part No Part Name Description Remarks D20 PFVDERA9102 DIODE SI S D22 1SS355F DIODE SI D23 1SS355F DIODE SI D27 MA8091 DIODE SI D101 PFVDYG911S2R DIODE SI S D104 PFVDEC31QS04 DIODE SI S D105 PFVDTZPT8130 DIODE SI S D110 PF...

Страница 173: ...HC32H471 470P C115 PFCKDB31H104 0 1 S Ref No Part No Part Name Description Remarks EC1 PQZZ9K7Z EXTENSION CORD 9 PIN EC2 PQZZ7K11Z EXTENSION CORD 7 PIN EC3 PFZZ11K13Z EXTENSION CORD 11 PIN EC4 PFZZ5K13Z EXTENSION CORD 5 PIN EC5 PQZZ10K8Z EXTENSION CORD 10 PIN EC6 PFZZ16K5Z EXTENSION CORD 16 PIN EC7 PQZZ2K12Z EXTENSION CORD 2 PIN EC8 PQZZ2K12Z EXTENSION CORD 2 PIN KM79811245C0 BASIC FACSIMILE TECHN...

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