Panasonic KX-FT932RU-B Page 154 Service Manual Download

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Printed Circuit Board

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Component V

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KX-FT932/934RU/UA/CA: Digital Board (Component View)

R143

R128

C227

C211

R211

R208

R203

IC4

TEST

R212

R213

R210

R207

R209

R101

C101

IC2

C104

C106

0.25A

R100

C100

IC6

C169

C170 R160

PCB-CH

R159

R93

C92

D507

R92

R94

R95

C70

C76

C79

R74

C83

R33

R32

C31

C82

D501

C12

CN4

CN3

C11

Q13

C81

C80

R71

Q10

R73

32.7

CN8

CN1

R10

1.25A

C73

C10

D502

C74

C72

C75

IC15

REF-CH

CN6

CN5

YELLOW

BLUE

R172

IC7

CN206

R72

IC3

C78

R90

C90

Q14

R157

R178

C93

C91

R91

R96

R70

C71

C77

C103

PFUP1546Z

C102

C234

C228

C142

L18

R227

R229

RA7

C94

IC10

C129

CN10

AUTO-CH

C236

C237

C235

IC9

C115

R126

C117

C84

C214

R125

C114

C212

CN9

+5VA

C85

R146

C144

R75

R129

R127

C127

C125

C213

L11

C126

L12

C116

L10

R76

C86

IC12

R142

C141

PbF

CN2

Summary of Contents for KX-FT932RU-B

Page 1: ...eserved Unauthorized copying and distribu tion is a violation of law ORDER NO KMF0605958CE Personal Facsimile KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B B Black Version for Russia for Kazakhstan Uzbekistan for Ukraine ...

Page 2: ...ection 55 10 2 Button Code Table 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 60 12 Troubleshooting Guide 64 12 1 Troubleshooting summary 64 12 2 Error Messages Display 65 12 3 Error Messages Report 66 12 4 Remote Programming 88 12 5 Troubleshooting Details 91 13 Service Fixture Tools 117 14 Disassembly and Assembly Instruction...

Page 3: ... Technicians ICs and LSIs are vulnerable 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 commerc...

Page 4: ...gital board Note The PbF marked 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 ...

Page 5: ...oller and a document feed roller 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 A...

Page 6: ...tic Electricity Electrical charges accumulate on a person For instance clothes rubbing together can damage electric elements or change their electrical characteristics In order to prevent static electricity touch a metallic part that is grounded to release the static electricity Never touch the electrical sections such as the power supply unit etc ...

Page 7: ...ust use Pb solder on a PCB manufactured using PbF solder remove as much of the original PbF solder as possible and be sure that any remaining is melted prior to applying the Pb solder When applying PbF solder to double layered boards please 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...

Page 8: ...ective Printing 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 ...

Page 9: ...s 1 Use only the included or specified 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 ...

Page 10: ... Integrated Telephone System Redialing 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 ...

Page 11: ...11 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B 6 Technical Descriptions 6 1 Connection Diagram ...

Page 12: ... the program instructions on the 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 mot...

Page 13: ... 9 7 21 67 7 7 7 7 7 VWUREH 7U 6 9 9 FKLS 21 6 02725 5 9 5 38 23 3 1 NELW 520 ELW 65 0 0 352 66 1 57 6 5 02725 35 17 5 21752 92 721 26 0 02725 63 5 1 6 7 7R 6 352 5 00 5 9 5 5 9 9 9 9 7 55 3 1 QJOLVK OLQHV 7DFW 6 0 75 6 1625 RF VHQVRU 5HDG SRVLWLRQ VHQVRU 0 66 0 6 0ELW 7 0 0RGHO 9 1 5 3 0215 1 7 1 5HOD 7UDQVIRUPHU 1 7 0 22 3 3 5 7 21 1RW 8VHG 1RW 8VHG 1RW 8VHG 1 3 217 6 721 B 1 65 67 B087 9 5 5 6 ...

Page 14: ... 1 VSSA GND POWER SOURCE ANALOG GND 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 ...

Page 15: ... O 3 3V CPU DATA BUS 3 67 DB2 I 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...

Page 16: ...2 RM2 IOP O 3 3V MOTOR A PHASE 123 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 OPERAT...

Page 17: ...0H F3FFH DRAM access window 1 and 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 abou...

Page 18: ...ery 2 Circuit Operation When the 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...

Page 19: ...es a high level it triggers point 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 temp...

Page 20: ... 0 and black is regarded as 1 Then 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 Tra...

Page 21: ...21 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B 6 4 2 Block Diagram ...

Page 22: ...27 ICs are connected in series and 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 activ...

Page 23: ...23 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B ...

Page 24: ...129 of IC1 goes to a high level and 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 IC...

Page 25: ...e output from gate array IC1 causing 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 ...

Page 26: ...sor Circuit Location Sensor Sensor or Switch Name Message Error DIGITAL CN5 Motor Position Sensor CALL SERVICE CN6 Cutter Position Sensor FT934 ONLY PAPER JAMED 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 ...

Page 27: ...ng Paper Sensor SW1 When there 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 131 Pin Home position Low level Othe...

Page 28: ...Sensor SW3 The JAM sensor is a detection 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 S...

Page 29: ...becomes OFF and the input signal of IC1 5 pin Operation becomes a high level Operation Board 6 5 7 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 le...

Page 30: ... 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 85 lines mm ...

Page 31: ...f the following Control time This is time at the start of transmission when the functions at the sending and receiving sides are confirmed the transmission mode is established and transmission and reception are synchronized Image transmission time This is the time required for the transmission of document contents image data In general this time is recorded in the catalog etc Hold time This is the...

Page 32: ...entification signals and the data signals added to them Data signals are added to DIS and DCS signals Signal DIS Digital Identification Signal Identification Signal Format 00000001 Function Notifies the capacity of the receiving unit The added data signals are as follows Signal DCS Digital Command Signal Identification Signal Format X1000001 Example Some models do not support the following items B...

Page 33: ...valid 19 20 0 0 0 1 1 0 1 1 Maximum recording length capability A4 297 mm Unlimited A4 297 mm and B4 364 mm Invalid Maximum recording length A4 297 mm Unlimited B4 364 mm Invalid 21 22 23 0 0 0 0 0 1 0 1 0 1 0 0 0 1 1 1 1 0 1 0 1 1 1 1 Minimum scan line time capability of the receiver 20 ms at 3 85 l mm T7 7 T3 85 40 ms at 3 85 l mm T7 7 T3 85 10 ms at 3 85 l mm T7 7 T3 85 5 ms at 3 85 l mm T7 7 T...

Page 34: ...designated by DCS and the receiving 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 t...

Page 35: ...35 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B b Redundancy Compression Process Coding Mode This unit uses one dimensional MH format ...

Page 36: ... telephone line passes through the 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...

Page 37: ... signal low level section input to 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 ...

Page 38: ...on system at an amplifier gain of 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 t...

Page 39: ...telephone exchange is a modem signal 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 tele...

Page 40: ...d by your local telephone company 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 108 for the route of Caller ID DTMF signal ...

Page 41: ...r the handset i e the transmitted and received voices to and from the handset 2 Signal path Refer to Sgnal Route P 108 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 108 6 9 ATAS Automatic Telephone Answering System Section 6 9 1 Remote Receiving 1 Funct...

Page 42: ...Y1 4 3 5 R45 R221 C38 C216 C29 R38 R35 R37 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 Q10 R67 L19 ZNR1 C14 Q13 C66 C28 C4 BELL DCN CN4 1 2 EXT TEL R2 R54 R219 D506 R220 C217 R5 R65 Q12 R88 PC6 SV R66 C69 C54 D10 ...

Page 43: ...s and LEDs light emitting diodes 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 FT932 934 RU UA CA OPERATION BOARD BLOCK DIAGRAM XLED8 9 KIN0 7 XLED13 ...

Page 44: ...V0 is supplied for the crystal drive 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 ...

Page 45: ...ut rectifier circuit through the filter circuit The filter circuit decreases the noise voltage and the noise electric field strength Rectifier Circuit The input current is rectified by D101 D102 D103 and D104 and charges C106 to make DC voltage Then it supplies power to the converter circuit Kick on voltage circuit Bias is applied to the Q101 gate via this circuit when the AC power is turned on an...

Page 46: ... is output from the secondary 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 incre...

Page 47: ...stor This is shown as follows When the output voltage of the 24V circuit increases the current of the photo coupler PC101 increases the pulse width of the out put 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 I...

Page 48: ...tion of Controls and Components 7 1 Overview 1 Speaker 2 Document guides 3 Paper stacker KX FT934 only The paper stacker may not be shown in all illustrations in these operating instructions 4 Document feeder tray 5 Top cover 6 Document exit 7 Document entrance 8 Top cover release button ...

Page 49: ...er up to 3 times 5 AUTO ANSWER To turn the auto answer 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 dialling 11 MONITOR To initiate dialling without lifting the handset 12 ...

Page 50: ...perly 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 Paper stacker KX FT934 only The paper stacker may not be shown in all illustrations in these operating instruc...

Page 51: ...ose the top cover securely by pushing down on both sides 6 For KX FT932 Press FAX START then tear off the excess paper by pulling it towards you For KX FT934 Press FAX START to cut the paper 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 ope...

Page 52: ...de 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 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...

Page 53: ...e 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 repeatedly to dis...

Page 54: ...of the motor 12 FAX TX Reading memory 52 Recording paper is fed 22 Copy 34 Cutter 44 Recording Paper 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 113 SET ...

Page 55: ...l not work 10 2 Button Code Table 10 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 3E FLASH RECALL 05 LOWER 32 2 47 CALLER ID 06 COPY 33 3 64 STATION 1 08 MONITOR 34 4 65 STATION 2 FA BROADCAST 3...

Page 56: ...grams The 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 F...

Page 57: ...er the test do not forget to return to the ON setting 553 Monitor on FAX communication select 1 OFF 2 PHASE B 3 ALL 1 3 1 Sets whether to monitor the line signal with the unit s speaker during FAX communication or not 554 Modem test See Test Mode P 54 555 Scan check 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 j...

Page 58: ...s the speed to start training during FAX transmis sion Refer to Sometime there is a transmit problem P 81 and The unit can copy but the transmission and reception image are incorrect P 86 718 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 82 and The unit can copy but the transmission and rec...

Page 59: ...1 1 4 Memory Clear Specification 1 Execute Service Mode 550 when you want to reset the all setting data keeping the user information 2 Execute Service Mode 710 to clear the user information in case that Main Unit is recycled Note Please restart a power supply after clearing a memory ...

Page 60: ...RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B 11 2 The Example of the Printed List 11 2 1 User Mode Example of a printed out list FT932 KX FT934 Note The above values are the default values ...

Page 61: ...61 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B 11 2 2 Service Mode Settings Example of a printed out list FT932 KX FT934 Note The above values are the default values ...

Page 62: ...932UA B KX FT934RU B KX FT934CA B KX FT934UA 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 63 ...

Page 63: ...setting was used 15 TEL FAX MODE 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 copie...

Page 64: ...s the specifications the paper selection 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 handl...

Page 65: ...it has a document in memory See 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 139 When performing broadcast transmission the document being stored exceeded the memory capaci...

Page 66: ...MMUNICATION 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 Q 8 51 COMMUNICATION ERROR RCV PIN is transmitted 8 ...

Page 67: ...67 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B ...

Page 68: ...68 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B CROSS REFERENCE Test Mode P 54 ...

Page 69: ...69 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B CROSS REFERENCE Test Mode P 54 ...

Page 70: ...70 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B CROSS REFERENCE Test Mode P 54 ...

Page 71: ...71 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B ...

Page 72: ... FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B CROSS REFERENCE Maintenance P 131 ADF Auto Document Feed Section P 93 Operation Panel Section P 170 CROSS REFERENCE Test Mode P 54 ...

Page 73: ...73 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B ...

Page 74: ...74 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B ...

Page 75: ...75 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B CROSS REFERENCE Test Mode P 54 ...

Page 76: ...8 The JOUR NAL report only gives 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 R...

Page 77: ...the fax message was received 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 ...

Page 78: ... MH MR 7 MSLT MSLT means Minimum Scan Line Time Used only at the factory 8 EQM EQM means Eye Quality Monitor Used only at the factory 9 ERROR LINE RX When an error occurs while receiving a fax this shows the number of error lines 10 MAKER CODE This shows a 2 digit code of the other party s fax machine brand 0E KX model 00 Unknown 79 UF model 19 Xerox model 12 3 2 3 Printout Example ...

Page 79: ... 3 The fax usually receives successfully 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...

Page 80: ... FT934RU B KX FT934CA B KX FT934UA B 12 3 3 1 Defective Facsimile Section 12 3 3 1 1 Transmit Problem Note Refer to Other P 9 for display message CROSS REFERENCE Operation Panel Section P 113 ADF Auto Document Feed Section P 93 Maintenance P 131 ...

Page 81: ... B KX FT934RU B KX FT934CA B KX FT934UA 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 ...

Page 82: ...may occur due to the software related 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 di...

Page 83: ...83 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B 12 3 3 1 4 The unit can copy but cannot transmit receive CROSS REFERENCE Analog Board Section P 108 Test Mode P 54 ...

Page 84: ...h a START button the other party 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...

Page 85: ...uency select Receiving side 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 ...

Page 86: ...n and reception capability of the other FAX unit and the line conditions The countermeasures for this unit are shown below Transmission Operation Set the transmitting speed to 4800BPS service mode code No 717 or select the overseas mode Reception Operation If 80 or more of the reception is incorrect set the receiving speed to 4800BPS Service mode code No 718 Refer to Service Function Table P 57 TX...

Page 87: ...NE IN to be valid in the volume control setting Refer to the PC instruction book 2 Start up the PC software SOUND RECORDER This software is bundled to Windows OS which can create WAV file Set the audio format PCM 22 050kHz 8bit mono 3 Click the record button and start recording after acquisition the signal Note Not to be wind wave patterns on the wave monitor Please compress the recording data whe...

Page 88: ...vice list code 999 from the 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 88 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 ...

Page 89: ...9 x 10ms 85 x 10ms OK 503 Dial speed 1 10pps 2 20 pps 10pps OK 514 Bell detection time 1 9 x 100msec 6 x 100msec OK 520 CED frequency select 1 2100Hz 2 1100Hz 2100Hz OK 521 International mode select 1 ON 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 Do...

Page 90: ...0bps OK 722 Redial tone detect 1 ON 2 OFF ON OK 745 Power on film feed 1 ON 2 OFF ON OK 763 CNG detect time for friendly reception 1 10s 2 20s 3 30s 30s OK 774 T4 timer 00 99 x 100ms 00ms OK 815 Sensor test NG 852 Print test pattern NG 853 Top margin 1 9 mm 3 OK 874 DTMF ON time 60 20 10ms OK 875 DTMF OFF time 60 20 10ms OK 880 History list 1 SET NG 881 Journal 2 1 SET NG 882 Journal 3 1 SET NG 96...

Page 91: ... tag from a customer or dealer 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 92 Difficult problems...

Page 92: ...roduct See When Coping or Printing an Abnormal Sound is Heard from the Unit P 99 Power supply Voltage output is abnormal See Power Supply Board Section P 110 Operation panel Keys are not accepted See Operation Panel Section P 113 Sensor If the electric circuit is the cause the error mes sage corresponding to the sensor will be dis played See Sensor Section P 114 SERIAL NO DATE FUNCTION JUDGEMENT R...

Page 93: ... Feed P 95 2 Refer to How to Remove the Operation Board LCD and Platen Roller P 122 3 Refer to Test Mode P 54 4 Refer to Digital Board Section P 100 5 Refer to Sensor Section P 114 6 Refer to How to Remove the Gear Block and Separation Roller P 129 7 Refer to How to Remove the Separation Holder and Document Feed Support P 123 8 Refer to Power Supply Board Section P 110 ...

Page 94: ...X FT934RU B KX FT934CA B KX FT934UA B 12 5 4 2 Document Jam CROSS REFERENCE Test Mode P 54 Sensor Section P 114 Note 1 Refer to How to Remove the Operation Board LCD and Platen Roller P 122 2 Refer to Disassembly and Assembly Instructions P 118 ...

Page 95: ...32UA B KX FT934RU B KX FT934CA B KX FT934UA B 12 5 4 3 Multiple Feed Note 1 Refer to How to Remove the Separation Holder and Document Feed Support P 123 2 Refer to Disassembly and Assembly Instructions P 118 3 Refer to Maintenance P 131 ...

Page 96: ...tenance Items and Componet Locations P 131 2 Refer to Disassembly and Assembly Instructions P 118 3 Refer to How to Remove the Separation Holder and Document Feed Support P 123 4 Refer to How to Remove the Operation Board LCD and Platen Roller P 122 5 Refer to How to Remove the Image Sensor CIS and Feed Roller P 124 ...

Page 97: ...rted When printing CROSS REFERENCE Thermal Head Section P 116 Test Mode P 54 CIS Contact Image Sensor Section P 115 Note 1 Refer to Maintenance Items and Componet Locations P 131 2 Refer to Disassembly and Assembly Instructions P 118 3 Refer to How to Remove the Operation Board LCD and Platen Roller P 122 ...

Page 98: ...oard Section P 100 Note 1 Refer to How to Remove the Lock Lever and Thermal Head P 126 2 Refer to Maintenance Items and Componet Locations P 131 3 Refer to How to Remove the Operation Board LCD and Platen Roller P 122 4 Refer to How to Remove the Image Sensor CIS and Feed Roller P 124 12 5 4 7 Skewed Receiving Image Note 1 Refer to Installing the Recording Paper P 51 ...

Page 99: ...nting an Abnormal Sound is Heard from the Unit Note 1 Refer to Document Feeder Cleaning P 140 2 Refer to Thermal Head Cleaning P 141 3 Refer to Disassembly and Assembly Instructions P 118 4 Refer to How to Remove the Motor of Gear Block P 129 5 Refer to How to Remove the Gear Block and Separation Roller P 129 ...

Page 100: ... digital IC especially DRAM 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 e...

Page 101: ...nical functions Copy Fax and UI 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 ...

Page 102: ...102 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B NG Wave pattern Note Refer to NG Example P 107 ...

Page 103: ...rding to the timing combinations 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...

Page 104: ...104 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B I O and Pin No Diagram ...

Page 105: ... KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B 12 5 5 2 Check the Status of the Digital Board First please check voltages and oscillation whether they are correct as follows ...

Page 106: ...106 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B ...

Page 107: ...107 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B 12 5 5 3 NG Example ...

Page 108: ...e 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 MONITOR trace that signal route locally with the fol...

Page 109: ... No handset and monitor transmission 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 ...

Page 110: ...mple power supply and lightning surge voltage test withstanding voltage test intentional short circuit test etc Caution If you find a melted fuse in the unit do not turn on the power until you locate and repair the faulty parts except for the fuse otherwise the fuse will melt again and you cannot pinpoint the faulty point In most cases the symptom is that nothing is output It is more likely that t...

Page 111: ...111 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B 12 5 7 2 Troubleshooting Flow Chart ...

Page 112: ...f 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 R128 R109 D109 and IC101 You should change all of the parts listed as follows F101 Q101 R128 R109 D109 IC101 D201 If D201 is broken the oscillation cir...

Page 113: ...U B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA 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 ...

Page 114: ...n Refer to Sensors and Switches 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 ...

Page 115: ...115 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B 12 5 10 CIS Contact Image Sensor Section Refer to Scanning Block P 24 CROSS REFERENCE Test Mode P 54 ...

Page 116: ...116 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B 12 5 11 Thermal Head Section Refer to Thermal Head P 22 ...

Page 117: ...117 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B 13 Service Fixture Tools ...

Page 118: ...How to Remove the Operation Panel Block P 121 A 3 How to Remove the Operation Board LCD and Platen Roller P 122 A 4 How to Remove the Separation Holder and Document Feed Support P 123 A 5 How to Remove the Image Sensor CIS and Feed Roller P 124 A 6 How to Remove the Cutter Unit KX FT934 only P 125 A 7 How to Remove the Lock Lever and Thermal Head P 126 B 1 How to Remove the Bottom Frame P 127 B 3 ...

Page 119: ... Remove the Paper Stacker KX FT934 only P 120 A 6 How to Remove the Cutter Unit KX FT934 only P 125 B 1 How to Remove the Bottom Frame P 127 B 2 How to Remove the Analog Board Digital Board Power Supply Board and Power Cord P 128 B 3 How to Remove the Gear Block and Separation Roller P 129 B 4 How to Remove the Motor of Gear Block P 129 ...

Page 120: ...120 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B 14 2 Disassembly Procedurel 14 2 1 How to Remove the Paper Stacker KX FT934 only ...

Page 121: ...121 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B 14 2 2 How to Remove the Operation Panel Block ...

Page 122: ...122 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B 14 2 3 How to Remove the Operation Board LCD and Platen Roller ...

Page 123: ...123 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B 14 2 4 How to Remove the Separation Holder and Document Feed Support ...

Page 124: ...124 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B 14 2 5 How to Remove the Image Sensor CIS and Feed Roller ...

Page 125: ...125 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B 14 2 6 How to Remove the Cutter Unit KX FT934 only ...

Page 126: ...126 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B 14 2 7 How to Remove the Lock Lever and Thermal Head ...

Page 127: ...127 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B 14 2 8 How to Remove the Bottom Frame ...

Page 128: ...128 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B 14 2 9 How to Remove the Analog Board Digital Board Power Supply Board and Power Cord ...

Page 129: ...129 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B 14 2 10 How to Remove the Gear Block and Separation Roller 14 2 11 How to Remove the Motor of Gear Block ...

Page 130: ...130 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B 14 2 12 Installation Position of the Lead Wires ...

Page 131: ...ent Perform copying self testing 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 opera...

Page 132: ...he Lock Lever and Thermal Head P 126 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 131 6 Glass If the glass is dirty clean them with a dry soft cloth Refer to Document Feeder Cleaning P 140 7 Abnormal wear and tear or loose parts Rep...

Page 133: ...ception the motor and copying 15 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 C...

Page 134: ...clockwise CW and then the Swing 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 ...

Page 135: ... respectively and drive both the 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 ...

Page 136: ...KX FT934CA B KX FT934UA B 15 2 2 5 Cutter Mode KX FT934only Swing gear C engages the gear cutter and conveys its drive power to cutter unit for cutting recording paper Fig F Cutter mode 15 2 3 Mechanical Movements in the Main Operations 15 2 3 1 Idle Status ...

Page 137: ...T932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B 15 2 3 2 Scanning CROSS REFERENCE Sensor Section P 114 Error Messages Display P 65 15 2 3 3 Printing Note See Sensors and Switches P 26 ...

Page 138: ...138 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B 15 2 3 4 Copying CROSS REFERENCE Sensor Section P 114 ...

Page 139: ... will be released 3 Remove the recording paper 4 Cut off the wrinkled portion 5 Install the 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 b...

Page 140: ...he power cord and the telephone line cord 2 Open the top cover by pressing the top cover release but ton 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 white plate and scanner glass with a soft and dry cloth Caution Do not use paper products such as paper towels or tissues 4 Connect the power cor...

Page 141: ...ssing the top cover release but ton and remove the recording paper 3 Clean the thermal head with a cloth moistened with isopropyl rubbing alcohol and let all parts 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 4 Connect the power cord and the telephone line cord 5 Install the recording paper and close the...

Page 142: ...142 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B 16 1 2 Analog Board ...

Page 143: ...143 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B 16 1 3 Operation Board 16 1 4 Power Supply Board ...

Page 144: ...sidue non cleaning type Note See 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...

Page 145: ...y flux to all pins of the FLAT PACKAGE 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 ...

Page 146: ...146 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B 16 3 Test Chart 16 3 1 ITU T No 1 Test Chart ...

Page 147: ...147 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B 16 3 2 ITU T No 2 Test Chart ...

Page 148: ...R2 X1 1 2 DG DG DG DG 1 VCC 1 2 DQ1 3 DQ2 4 DQ3 5 DQ4 6 NC6 7 WE 8 RAS 9 A9R 10 A0 11 A1 12 A2 13 A3 14 VCC 14 15 VSS 15 16 A4 17 A5 18 A6 19 A7 20 A8 21 NC21 22 OE 23 CAS 24 DQ5 25 DQ6 26 DQ7 27 DQ8 28 VSS 28 1 INB 2 INA 3 GND 4 OUT 5 VCC DG DG 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 ROMCSMFCS PG C77 NC 5V 5V Z1u C71 A B CN206 1 MIC 2 5V 3 DG 4 KST...

Page 149: ...2 2K R129 R217 NC R214 2 7K R216 NC 100K R123 330K R112 330K R127 39K R126 36K R128 24K R130 120K R159 R163 150 R225 NC 6 3V47u C85 C213 NC C214 NC C227 NC C228 NC C235 16V10u K0 1u C140 C141 NC 50V4 7u C142 K1000P C143 C144 NC NC C145 NC C146 2V 2 2K R40 5VA 5V CN8 1 LEDVCC 2 LEDGND 3 FI DATA 4 FTG CLK 5 3 3V 6 GND 7 AIN SI 24LV R215 NC R218 NC C215 NC DG 3 3VD C242 NC C243 NC 20K R226 K0 068u C2...

Page 150: ...L4 BEAD L6 0 CN1 1 24V 2 AG 3 5V 4 PAPER 5 LINETX 6 TONE1 7 RLY 8 CPC 9 JAM 10 P_SHORT 11 BELL DCN 12 HOOK 13 LINERX 14 MONRX 15 H STX_MUTE 16 H SRX AG R25 10K L5 0 AG AG 1 IC2 4 1 2 3 4 8 12V C10 NC L3 BEAD AG C15 16V10u AG 22K R16 C63 NC R81 0 R82 0 R91 0 C64 NC DA2 NC 1K 2A 1A2K SW2 1 2 3 4 5 6 1K R87 Z0 1u C66 D12 C54 50V10u C56 NC C3p C69 JJ5 NC FG2 AG AG AG AG C2 K0 01u C5 K0 01u C71 35V33u ...

Page 151: ...SSP 3 HSSP 4 HSMIC R54 22 1 4W C39 K4700p 5V R61 NC D8 2 IC1 5 6 7 5V CN4 1 b 2 a AG AG L19 1 2 3 4 AG R41 50V4 7u JJ1 NC JJ2 NC T3 NC 1 2 3 4 6 R59 NC C65 NC W5NL5T L33 SA2 3000V ZNR1 C43 NC 10K R88 R84 15K R86 39K 5V R85 15K Q9 PC5 A K E C FLT3 NC 1 2 3 4 5 6 7 8 AG AG JJ3 NC JJ4 D10 1 2 3 4 C53 K680p R77 1K C52 K680p PC2 NC 1 2 3 4 RLY1 2 1 2 RLY1 1 3 5 4 D13 NC L21 L23 L24 L22 C68 16V220u C67 ...

Page 152: ...SW10 5 SW11 0 SW12 8 SW13 9 SW14 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...

Page 153: ... 1000p G D S 10 47 2 C107 47p 1k 0 22 2 1 8K R122 180 R111 D106 C207 R223 1k C205 0 1 25 D202 D205 Q203 D206 R225 Q202 C208 Q201 CN202 1 2 3 4 5 6 7 8 9 24V 24V 24V GND GND GND 6V 6V P Cont R227 22 4700p CN31 GND L 1 N F101 T3 15A 250V C124 C105 R102 10k R121 L103 10k R128 100 D109 D105 C108 1000p 1k D110 C123 0 1 C109 47 35 C203 C201 R229 18k R222 PC101 1k R221 1k R224 5 6k 2 2k VR201 5k R228 R20...

Page 154: ...83 R33 R32 C31 C82 D501 C12 CN4 1 11 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 CN1...

Page 155: ...173 R162 XTEST R214 R167 R165 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...

Page 156: ...RLY1 ZNR1 C52 C53 D12 R67 R54 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 FT932 934RU UA CA Analog Board Component View C6 C10 CN1 1 16 J26 J6 J10 C15 PCB CH AUTO CH ...

Page 157: ... L26 L31 C43 R85 D10 R83 L32 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 C...

Page 158: ...J12 SW19 RECORD SW29 BROADCAST 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 FT932 934RU UA CA Operation Board Component View SW24 S3 SW35 S4 SW34 S5 SW31 S6 SW15 6 SW13 9 SW16 4 SW8 7 SW7...

Page 159: ... Bottom View SW38 A Q4 MIC MIC 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 FT932 934RU UA CA Operation Board Bottom View PFUP1560Z PbF ...

Page 160: ...2 JP103 JP202 JP201 CN202 9 1 JP203 C208 C105 D103 SRF 1678EK PRIMARY D205 D202 D201 C207 D204 SECONDARY PC101 T101 D106 R107 R202 R111 R105 C202 C201 VR201 D203 D206 KX FT932 934RU UA CA POWER SUPPLY BOARD R224 R223 R225 C205 J204 R229 D205 R228 R221 R222 R226 R227 Q201 Q203 C214 R122 R102 IC101 1 4 8 5 R128 C123 C121 C122 CAUTION PRIMARY SECONDARY FOR CONTINUED PROTECTION AGAINST RISK OF FIRE RE...

Page 161: ...34CA B KX FT934UA B 19 Appendix 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 3 ...

Page 162: ...162 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B MEMO ...

Page 163: ...KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B 20 Exploded View and Replacement Parts List 20 1 Cabinet Mechanical and Electrical Parts Location 20 1 1 Operation Panel Section ...

Page 164: ...164 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B 20 1 2 Upper Cabinet Section 20 1 2 1 KX FT932RU UA CA ...

Page 165: ...165 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B 20 1 2 2 KX FT934RU UA CA ...

Page 166: ...166 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B 20 1 3 Lower Cabinet Section ...

Page 167: ...167 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B 20 1 4 Gear Block Section ...

Page 168: ...168 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B 20 1 5 Screws ...

Page 169: ...169 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B 20 1 6 Accessories and Packing Materials ...

Page 170: ...Z SPACER PLATEN ROLLER Left 17 PFDG1015Y GEAR 18 PFUS1222Z 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 PFHR1503Y COVER DOC FEED SUPPORT 27 PFUS1631Z SPRING DOC SUPPORT 28 PFUV1105Z2 COVER OPERATION PANEL 29 PFDF10...

Page 171: ...D 171 PFUS1231Y SPRINT GEAR 1 172 PFHR1500Z ARM4 173 PFHR1497Y ARM1 Black 174 PFHR1498Z ARM2 175 PFDG1436Z GEAR B 176 PFDG1443Z GEAR RX 177 PFHR1499Z ARM3 1 Ref No Part No Part Name Description Remarks 178 PFDG1440Z GEAR CUTTER 2 1 179 PFDG1435Z GEAR A 180 PFDG1435Y GEAR A 1 181 PFUS1580Z SPRING 1 182 PFHR1502Z2 LEVER CUTTER 1 183 PFMH1171Z COVER 184 PFHX1413Z SHEET GEAR 1 185 PFHR1501Z ARM CUTTER...

Page 172: ...0 1 C118 ECJ1VB1C104K 0 1 C120 ECJ1VB1C104K 0 1 C121 ECJ1VB1H822K 0 0082 Ref No Part No Part Name Description Remarks C122 ECJ1VB1H822K 0 0082 C123 ECJ1VB1H822K 0 0082 C124 ECJ1VB1C104K 0 1 C125 ECJ1VB1C104K 0 1 C127 ECJ1VC1H101J 100P C128 ECJ1VB1C104K 0 1 C129 ECJ1VF1E104Z 0 1 C140 ECJ1VB1C104K 0 1 C142 F2G1H4R70017 0 1 S C143 ECJ1VB1H102K 0 001 C150 ECJ1VC1H101J 100P C151 ECJ1VF1C104Z 0 1 C153 E...

Page 173: ...K R95 ERJ3GEYJ152 1 5K Ref No Part No Part Name Description Remarks R96 ERJ3GEYJ100 10 R100 ERJ3GEYJ103 10K R101 ERJ3GEYJ103 10K R102 ERJ3GEYJ103 10K R110 ERJ3GEYJ222 2 2K R111 ERJ3GEYJ473 47K R112 ERJ3GEYJ334 330K R113 ERJ3GEYJ333 33K R114 ERJ3GEYJ333 33K R115 ERJ3GEYJ333 33K R116 ERJ3GEYJ334 330K R117 ERJ3GEYJ222 2 2K R120 ERJ3GEYJ104 100K R121 ERJ3GEYJ473 47K R123 ERJ3GEYJ104 100K R124 ERJ3GEYJ...

Page 174: ...3 COIL S L22 PQLQR2KA113 COIL S L23 PQLQR2KA113 COIL S L24 PQLQR2KA113 COIL S L25 PQLQR2BT COIL S L26 PQLQR2BT COIL S L31 PQLQR2BT COIL S L32 PQLQR2BT COIL S Ref No Part No Part Name Description Remarks PHOTO ELECTRIC TRANSDUCERS PC1 B3PAA0000330 PHOTO ELECTRIC TRANSDUCER PC5 PQVIPS2532 1 PHOTO ELECTRIC TRANSDUCER S PC6 0N3131SKU PHOTO ELECTRIC TRANSDUCER S THERMISTOR POS1 PFRT002 THERMISTOR S REL...

Page 175: ...A470 47 S Ref No Part No Part Name Description Remarks C66 ECJ1VF1E104Z 0 1 C67 ECEA1CKA100 10 C68 ECEA1CKA221 220 C69 ECJ1VC1H030C 3P C71 ECEA1VKA330 33 C72 F1J1H104A578 0 1 Ref No Part No Part Name Description Remarks PCB3 PFWP2FT932CN OPERATION BOARD ASS Y RTL IC IC1 C1ZBZ0002089 IC DIODE LED1 LNJ801LPDJA LED CONNECTOR CN1 K1KA10B00215 CONNECTOR 10 PIN LIQUID CRYSTAL DISPLAY CN2 L5DAAFB00001 LI...

Page 176: ...IC TRANSDUCER PC101 PFVIPC123 PHOTO ELECTRIC TRANSDUCER S TRANSFORMER T101 PFLTSRW28LEC TRANSFORMER S Ref No Part No Part Name Description Remarks VARIABLE RESISTOR VR201 ECNCYAA03B53 VARIABLE RESISTOR S VARISTOR ZNR101 ERZV10D751 VARISTOR RESISTORS JP204 ERJ3GEY0R00 0 R101 ERDS1TJ105 1M R102 ERJ3GEYJ103 10K R105 ERX2SJR22E 0 22 R106 ERG2SJ470 47 R107 ERG2DJ104E 100K R109 ERDS2TJ100 10 R111 ERDS2T...

Page 177: ...177 KX FT932RU B KX FT932CA B KX FT932UA B KX FT934RU B KX FT934CA B KX FT934UA B Y M KXFT932RUB KXFT938CAB KXFT932UAB KXFT934RUB KXFT934CAB KXFT934UAB ...

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