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Panasonic KX-FG2452CX, Руководство по обслуживанию

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KX-FG2452CX

TABLE OF CONTENTS

PAGE

PAGE

1 Safety Precautions

-----------------------------------------------

3

1.1. For Service Technicians ----------------------------------3
1.2. AC Caution---------------------------------------------------3
1.3. Personal Safety Precautions ----------------------------4
1.4. Service Precautions ---------------------------------------5

2 Warning

--------------------------------------------------------------

6

2.1. About Lead Free Solder (PbF: Pb free) --------------6
2.2. Insulation Resistance Test -------------------------------7
2.3. Battery Caution ---------------------------------------------7

3 Specifications

------------------------------------------------------

8

3.1. Base Unit -----------------------------------------------------8
3.2. Cordless Handset ------------------------------------------8

4 General/Introduction

---------------------------------------------

9

4.1. Optional Accessories--------------------------------------9

5 Features

--------------------------------------------------------------

9

6 Technical Descriptions

----------------------------------------

10

6.1. Connection Diagram------------------------------------- 10
6.2. General Block Diagram--------------------------------- 11
6.3. Control Section ------------------------------------------- 13
6.4. Facsimile Section ---------------------------------------- 22
6.5. Sensors and Switches ---------------------------------- 29
6.6. Modem Section ------------------------------------------- 33
6.7. Analog Section-------------------------------------------- 40
6.8. NCU Section----------------------------------------------- 42
6.9. ITS (Integrated Telephone System) and

Monitor Section ------------------------------------------- 46

6.10. ATAS (Automatic Telephone Answering

System) Section ------------------------------------------ 46

6.11. Operation Board Section ------------------------------- 47

6.12. LCD Section ----------------------------------------------- 48
6.13. Power Supply Board Section-------------------------- 49
6.14. Cordless Section ----------------------------------------- 52

7 Location of Controls and Components

------------------

65

7.1. Overview --------------------------------------------------- 65
7.2. Control Panel---------------------------------------------- 66

8 Installation Instructions

---------------------------------------

67

8.1. Installation Space ---------------------------------------- 67
8.2. Connections ----------------------------------------------- 68
8.3. Battery Charge-------------------------------------------- 68
8.4. Installing the Ink Film------------------------------------ 69
8.5. Installing the Paper Tray ------------------------------- 71
8.6. Paper Support--------------------------------------------- 71
8.7. Installing the Recording Paper------------------------ 72
8.8. Battery Installation / Replacement ------------------- 73
8.9. Headset (optional) --------------------------------------- 73

9 Operation Instructions

----------------------------------------

74

9.1. Setting Your Logo ---------------------------------------- 74
9.2. Cordless Handset Programming --------------------- 75

10 Test Mode

----------------------------------------------------------

77

10.1. Facsimile Section ---------------------------------------- 77
10.2. Cordless Section ----------------------------------------- 80

11 Service Mode

-----------------------------------------------------

87

11.1. Programming and Lists --------------------------------- 87
11.2. How to Clear User Setting ----------------------------- 91
11.3. The Example of the Printed List ---------------------- 92

12 Troubleshooting Guide

----------------------------------------

96

12.1. Troubleshooting Summary----------------------------- 96
12.2. Error Messages-Display -------------------------------- 97

12.3. Error Messages-Report ------------------------------- 100
12.4. Remote Programming ---------------------------------122
12.5. Troubleshooting Details ------------------------------- 125

13 Service Fixture & Tools

--------------------------------------

169

14 Disassembly and Assembly Instructions

-------------

170

14.1. General Section-----------------------------------------170
14.2. Disassembly Flowchart--------------------------------171
14.3. Disassembly Procedure------------------------------- 174

15 Measurements and Adjustments

-------------------------

199

15.1. Things to Do after Replacing IC---------------------199
15.2. Cordless Base Reference Drawing ----------------202
15.3. Handset Reference Drawing-------------------------203
15.4. Frequency Table ----------------------------------------204

16 Maintenance

-----------------------------------------------------

205

16.1. Maintenance Items and Component Locations -205
16.2. Gear Section---------------------------------------------207
16.3. Jams -------------------------------------------------------214
16.4. Cleaning---------------------------------------------------215

17 Miscellaneous

--------------------------------------------------

218

17.1. Terminal Guide of the ICs, Transistors and

Diodes -----------------------------------------------------218

17.2. How to Replace the Flat Package IC -------------- 221
17.3. Test Chart-------------------------------------------------223

18 Schematic Diagram

-------------------------------------------

226

18.1. Digital Board (PCB1)-----------------------------------226
18.2. Analog Board (PCB2) ---------------------------------230
18.3. Operation Board (PCB3) / MIC Board (PCB9) --232
18.4. Power Supply Board (PCB4) ------------------------233
18.5. Interface Board (PCB5) ------------------------------- 234
18.6. Sensor Board (PCB6) ---------------------------------235
18.7. Film End Sensor Board (PCB6)---------------------235
18.8. Motor Position Sensor Board (PCB8) -------------235
18.9. Handset Board (PCB100) ----------------------------236

19 Printed Circuit Board

-----------------------------------------

239

19.1. Digital Board (PCB1)-----------------------------------239
19.2. Analog Board (PCB2) ---------------------------------241
19.3. Operation Board (PCB3) / MIC Board (PCB9) --243
19.4. Power Supply Board (PCB4) ------------------------244
19.5. Interface Board (PCB5) ------------------------------- 245
19.6. Sensor Board (PCB6) ---------------------------------245
19.7. Film End Sensor Board (PCB7)---------------------245
19.8. Motor Position Sensor Board (PCB8) -------------245
19.9. Handset Board (PCB100) ----------------------------246

20 Appendix Information of Schematic Diagram

-------

248

20.1. For Schematic Diagram------------------------------- 248
20.2. CPU Data -------------------------------------------------249
20.3. Explanation of RF unit Terminals (RF Unit) ------251

21 Exploded View and Replacement Parts List

----------

252

21.1. Cabinet, Mechanical and Electrical Parts

Location ---------------------------------------------------252

21.2. Replacement Parts List ------------------------------- 263

Содержание KX-FG2452CX

Страница 1: ...c Industrial Co Ltd All rights reserved Unauthorized copying and distri bution is a violation of law ORDER NO KMF0605961CE 2 4 GHz Cordless Phone System with FAX and Copier KX FG2452CX for Asia Middle Near East and Other areas ...

Страница 2: ...ting Guide 96 12 1 Troubleshooting Summary 96 12 2 Error Messages Display 97 12 3 Error Messages Report 100 12 4 Remote Programming 122 12 5 Troubleshooting Details 125 13 Service Fixture Tools 169 14 Disassembly and Assembly Instructions 170 14 1 General Section 170 14 2 Disassembly Flowchart 171 14 3 Disassembly Procedure 174 15 Measurements and Adjustments 199 15 1 Things to Do after Replacing ...

Страница 3: ... prevent the customer from being exposed to shock hazards 1 1 For Service 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 2 AC Ca...

Страница 4: ...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 prim...

Страница 5: ...s 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 6: ... care while using higher temperature soldering irons Do not heat the PCB for too long time in order to prevent solder splash or damage to the PCB PbF solder will tend to splash if it is heated much higher than its melting point approximately 1100 F 600 C When applying PbF solder to double layered boards please check the component side for excess which may flow onto the opposite side See figure bel...

Страница 7: ... chassis by design These will read infinity 4 If the measurement is outside the specified limits there is a possibility of a shock hazard 2 3 Battery Caution CAUTION Danger of explosion if battery is incorrectly replaced Replace only with the same or equivalent type recommended by the man ufacturer Dispose of used batteries according to the manufacturer s Instructions The lithium battery is a crit...

Страница 8: ...ines mm standard resolution 7 7 lines mm fine photo resolution 15 4 lines mm super fine resolution Photo Resolution 64 levels Scanner Type Contact Image Sensor Printer Type Thermal Transfer on Plain Paper Data Compression System Modified Huffman MH Modified READ MR Modem Speed 9 600 7 200 4 800 2 400 bps Automatic Fallback Operating Environment 5 35 C 20 80 RH Relative Humidity Frequency 2 4 GHz 2...

Страница 9: ...peakerphone Voice muting Redialing function The Base unit and cordless handset provide a phonebook 50 items each Caller ID The calling party s name or telephone number will be dis played after the 1st ring You have the option of whether or not to answer the call The unit will automatically store caller information name telephone number date and time of the call the number of times called from the ...

Страница 10: ...10 KX FG2452CX 6 Technical Descriptions 6 1 Connection Diagram ...

Страница 11: ... the storage area 3 Dynamic RAM IC503 This memory is used mainly for the parameter working in the storage area 4 MODEM IC701 Performs the modulation and the demodulation for FAX communication 5 Read Section CIS image sensor to read transmitted documents 6 Motor Driver IC401 Drives the transmission motor and the reception motor 7 Thermal Head Contains heat emitting elements for dot matrix image pri...

Страница 12: ...12 KX FG2452CX 6 2 1 General Block Diagram REFERENCE Analog Board Block Diagram P 41 Cordless Base Block Diagram P 56 ...

Страница 13: ...SET IC 3 3V BATT 2 5V BATT BATT 24MHz 32 768KHz TX RX TO ANALOG PCB A 12 0 RBA 5 0 A 4 0 4V XRAS XCAS A 9 0 D 7 0 XRD XWR XRAS XCAS IC503 DRAM A 7 4 RBA 5 0 FILM END 3 3V CN503 CN504 CN404 CN405 CN507 SW1003 IC401 MOTOR DRV CISLEDON CN501 to CN402 32 256MHz 3 3V VDET Q501 3 3V 2 5V Q502 2 5V BATT 3 3V BATT IC504 4M FLASH A 17 0 D 7 0 XRD XCS A 12 0 RBA 5 0 XWR XWR XRESCS2 CN506 TO SENSOR P TOP FIL...

Страница 14: ...14 KX FG2452CX 6 3 2 Memory Map ...

Страница 15: ...ocument reading 6 IMAGE DATA RAM This memory is programmed into the ASIC and uses 8 KB for the image processing See Fig A 7 THERMAL HEAD I F Transmits the recorded data to the thermal head 8 MOTOR I F Controls the transmission motor which feeds the docu ment Controls the receiving motor which feeds the recording paper 9 OPERATION PANEL I F Serial interface with Operation Panel 10 I O PORT I O Port...

Страница 16: ...31 I 3 3V INPUT PORT RXD 25 XRTS IOP32 I 3 3V INPUT PORT COVER OPEN 26 XCTS IOP33 I 3 3V INPUT PORT FILM CHECK 27 VDD 2 5V POWER SOURCE 2 5V 28 TONE1 A 3 3V TONE OUTPUT 29 TONE2 A 3 3V TONE OUTPUT 30 VOLUREF A 3 3V ANALOG REF VOLTAGE 31 VOLUOUT A 3 3V VOLUME OUTPUT 32 VOLUIN A 3 3V VOLUME INPUT 33 XNMI I 3 3V HIGH FIXED 34 FMEMDO IOP26 CBUSY2 O 3 3V OUTPUT PORT CBUSY2 35 VDD 3 3V POWER SOURCE 3 3V...

Страница 17: ...3V CPU ADDRESS BUS 2 84 ADR3 O 3 3V CPU ADDRESS BUS 3 85 ADR4 O 3 3V CPU ADDRESS BUS 4 86 ADR5 O 3 3V CPU ADDRESS BUS 5 87 VSS GND POWER SOURCE GND 88 VDD 2 5V POWER SOURCE 2 5V 89 ADR6 O 3 3V CPU ADDRESS BUS 6 90 ADR7 O 3 3V CPU ADDRESS BUS 7 91 ADR8 O 3 3V CPU ADDRESS BUS 8 92 ADR9 O 3 3V CPU ADDRESS 9 93 ADR10 O 3 3V CPU ADDRESS 10 94 ADR11 O 3 3V CPU ADDRESS 11 95 ADR12 O 3 3V CPU ADDRESS 12 9...

Страница 18: ...OTOR B PHASE 124 RXE IP04 O 3 3V MOTOR ENABLE SIGNAL 125 TMO IOP10 O 3 3V OUTPUT PORT CRESET 126 VDD 2 5V POWER SOURCE 2 5V 127 VSS GND POWER SOURCE GND 128 TM1 IOP11 O 3 3V OUTPUT PORT S ENB 129 TM2 IOP12 O 3 3V OUTPUT PORT TELRXEN 130 TM3 IOP13 O 3 3V OUTPUT PORT TONE2EN 131 TXE IP14 I 3 3V INPUT PORT MOTOR PS 132 KSTART O 3 3V OPERATION PANEL CONTROL 133 KLATCH O 3 3V OPERATION PANEL CONTROL 13...

Страница 19: ...ary power interruption a reset pulse of 60 msec is generated and the system is reset completely 2 The watch dog timer built in the ASIC IC501 is initialized by the CPU about every 1 5 ms When a watch dog error occurs pin 115 of the ASIC IC501 becomes low level The terminal of the WDERR signal is connected to the reset line so the WDERR signal works as the reset signal ...

Страница 20: ...ORY IC502 2 RTC Inside IC501 Backup Circuit Operation When the power switch is turned ON power is supplied through Q502 to the RTC inside IC501 At this time the voltage at pin 14 of the IC501 is 2 5V When the power switch is turned OFF the BAT151 supplies power to RTC through D151 and Q502 The voltage at pin 14 of IC501 is about 2 2V When the power switch is OFF and the voltage of 3 3V decreases p...

Страница 21: ...int 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 IC501 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 stabiliz...

Страница 22: ...outes4 and 5 they are stored in RAM 4 The white black data stored as above via routes6 and 8 is input to the P S converter The white black data converted to serial data in the P S converter is input to the Thermal Head via route9 and is printed out on recording paper Note Standard Reads 3 85 times mm Fine Reads 7 7 times mm Super Fine Reads 15 4 times mm Transmission 1 Same processing as Copy item...

Страница 23: ...23 KX FG2452CX 6 4 2 Block Diagram ...

Страница 24: ...s The shift registers of the 9 ICs are connected in series and upon the shift of the 1728 dot increment the shift register becomes filled with data and a latch pulse is emitted to each IC from IC501 pin 118 THLAT With this latch pulse all the contents of the shift registers are latched to the latch registers Thereafter through the addition of strobes from the IC501 pins 103 104 only the dot locati...

Страница 25: ...25 KX FG2452CX ...

Страница 26: ...of IC701 goes to a high level and the transistor Q602 turns on This applies voltage to the LED array to light it The contact image sensor is driven by each of the FTG F1 signals output from IC501 and the original image illuminated by the LED array undergoes photoelectric conversion to output an analog image signal SIG The analog image signal is input to the system ASIC on AIN1 pin 3 of IC501 and c...

Страница 27: ...r coil is energized sequentially in 2 phase increments which causes a 1 step rotation A 1 step rotation feeds 0 13 mm of recording paper The timing chart is below Stepping Motor Drive Mode Function Mode Phase Pattern Speed Copy Fine Photo 1 2 432 pps t 1 432 Super Fine 1 2 216 pps t 1 216 FAX Sending Standard 2 2 432 pps t 1 432 Fine Photo 1 2 432 pps t 1 432 Super Fine 1 2 216 pps t 1 216 FAX Rec...

Страница 28: ...pin 124 of ASIC IC501 becomes a low level and Q403 turns OFF Then Q402 also turns OFF and instead of 24 V 6 V is supplied through D401 so that the motor is held in place When the system is in the stand by mode all of the motor drive transistors turn OFF Consequently the motor current stops ...

Страница 29: ...or Sensor or Switch Name Error Message Operation Panel SW351 Document top sensor REMOVE DOCUMENT SW352 Document set sensor CHECK DOCUMENT Sensor P C Board SW1001 Cover Open sensor Paper Top sensor CHECK COVER PAPER JAMMED SW1002 Film Detection sensor FILM EMPTY Film End Sensor P C Board SW1003 Film End sensor CHECK FILM Gear Block SW1004 Motor Position sensor CALL SERVICE2 ...

Страница 30: ...301 6 pin Operation Board becomes a high level 6 5 2 Document Set Sensor SW352 When a document is set the SW turns ON and the input signal of IC301 9 pin Operation Board becomes a low level When there is no document the SW turns ON and the input signal of IC301 9 pin Operation Board becomes a high level SW Signal IC301 6 pin Out of the Read Position OFF High level At the Read Position ON Low level...

Страница 31: ...ard becomes a high level 6 5 4 Cover Open Sensor SW1001 When the u TURN BLOCK is closed the SW becomes ON and the input signal of IC501 25 pin Digital Board becomes a low level When the cover is opened the SW becomes OFF and the input signal of IC501 25 Digital Board pin becomes a high level SW Signal IC501 43 pin Set recording paper or paper cover is opened ON Low level No recording paper or pape...

Страница 32: ...becomes a high level 6 5 6 Motor Position Sensor SW1004 When the recording paper is loaded on the print head the SW turns ON and the input signal of IC501 131 pin Digital Board becomes a low level When the recording paper is not loaded on the print head the SW turns OFF and the input signal of IC501 131 pin Digital Board becomes a high level SW Signal IC501 26 pin No film OFF High level Set a film...

Страница 33: ...TU T one of the four permanent organizations of the International Telecommunications Union ITU investigates and make recommendations on international standards for facsimiles 2 Definition of Each Group Group I G1 Official A 4 size documents without using formats which reduce the band width of a signal are sent over telephone lines Deter mined in 1968 Transmission for about 6 minutes at a scanning ...

Страница 34: ...Transmission time consists of the following Control time This is time at the start of transmission when the functions at the sending and receiving sides are confirmed the transmission mode is established and transmission and reception are synchronized Image transmission time This is the time required for the transmission of document contents image data In general this time is recorded in the catal...

Страница 35: ...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 2 operation 2 Rec...

Страница 36: ...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 T3 85 10 ms at ...

Страница 37: ...omatic equal izer 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 speed by one stage and initia...

Страница 38: ...38 KX FG2452CX b Redundancy Compression Process Coding Mode This unit uses one dimensional MH format ...

Страница 39: ...k Sheet for Signal Route P 148 2 Facsimile Reception The analog image data which is received from the telephone line passes through the NCU section and enters pin 60 of the modem IC701 The signals that enter pin 60 of the modem IC701 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 Henc...

Страница 40: ...om ASIC IC501 and the status information for the various sections is also held in ASIC IC501 Simple explanations for the various sections are given below 2 Circuit Operation NCU Section This is composed of a bell detection circuit pulse dial generation circuit CPC detect circuit vox circuit amplifier circuit for line transmission and reception sidetone circuit Extension phone line off hook detecti...

Страница 41: ...3 C101 PC102 RL101 R169 L101 L102 T101 5VA R121 POS101 SA102 SA101 ZNR101 LINERLY 5V C740 IC703 C769 R771 ASIC IC501 C715 R712 R711 R707 Q702 R705 C701 R701 R704 5VA C712 R708 C729 R731 C730 R732 R740 R737 C743 R742 Q705 C760 R760 Q703 R751 C708 SPOUT SP SP SPMUTE R734 R738 R729 C734 C738 CN104 5V 5V CD FC2 FC1 GND VCC IC705 C726 R725 R727 R728 R726 C751 R749 R755 Q706 R761 2 2V C874 R864 C876 R86...

Страница 42: ...1 Circuit Operation The signal waveform for each point is indicated below The signal low level section input to pin 19 of ASIC IC501 on the dig ital board is read by ASIC and judged as a bell TEL LINE PC102 1 2 4 IC501 19 Note Inside the Digital Board 6 8 4 Pulse Dial Circuit and ON OFF Hook Circuit While OFF HOOK RL101 is ON Q103 turns on by pin 44 of IC501 as well On the other hand while ON HOOK...

Страница 43: ...h C730 and R732 and enters IC704 pin 6 where the signal is amplified to about 24dB Then it is output from pin 7 of IC704 and transmitted to T101 via C117 R110 and R191 If the side tone circuit is not applied the transmission signal will return to the reception amplifier via C118 and R125 When the side tone circuit is active the signal output from IC704 pin 7 passes through C117 R113 R114 C112 and ...

Страница 44: ...ch 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 multiple...

Страница 45: ...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 1 1 Circuit Operation 1 The Caller ID signal from TEL LINE is processed with IC801 1 Refer to Check Sheet for Signal Route P 148 for the route of Caller ID DTMF signal ...

Страница 46: ...e the transmitted and received voices to and from the handset 2 Signal path Transmission signal Refer to Check Sheet for Signal Route P 148 3 Signal path Reception signal Refer to Check Sheet for Signal Route P 148 6 9 4 Monitor Circuit 1 Function This circuit monitors various tones such as 1 DTMF tone 2 Alarm Beep Key tone Bell 3 Dummy ring back tone 2 Signal path a DTMF MONITOR Speaker Operation...

Страница 47: ...rolled by the Gate Array IC301 and ASIC IC501 on the DIGITAL BOARD The key matrix table is shown below Key Matrix CN301 CN504 IC501 ASIC LCD MODULE GATE ARRAY IC301 CN302 DOCUMENT TOP SW DOCUMENT SET SW CHARGE LED AUTO ANSWER 8x5 KEYS MATRIX DIGITAL BOARD OPERATION BOARD XLED9 10 13 LED2 KIN0 7 KSL0 4 KX FG2452CX OPERATION BOARD BLOCK DIAGRAM ...

Страница 48: ...rystal drive R310 R311 and R312 are density control resistors Consequently in this unit the timing positive clock is generated by the LCD interface circuitry in the gate array IC301 DIsplay mode Density Normal Dark 2 lines X1 0 LED1 IC301 22pin H L XL14 IC301 20pin Hi Z L XL15 IC301 21pin L L 1 line X1 5 LED1 H H XL14 Hi Z Hi Z XL15 Hi Z L ...

Страница 49: ...nd charges C106 to make DC voltage Then it supplies power to the converter circuit Kick on voltage circuit Bias is applied to the Q101 gate via this circuit when the AC power is turned on and Q101 begins operating A B Voltage Wave Form C D Voltage Wave Form E F G H Voltage Wave Form 0 0 0 Input Circuit AC Input Surge Absorber Circuit G H 4V 24V E IC101 D110 R104 F 9 6V GND Control Circuit Kick on ...

Страница 50: ...nsfer as follows L D1 Load L Then the power is supplied to the Load When Q1 is ON power is not output from the secondary side The output voltage is fed back in the control IC according to the error amp rectifier Then depending on how TON is controlled stabilization occurs Also when the current load becomes too large in order to decrease the voltage output the increase in is controlled and the outp...

Страница 51: ...en the output voltage of the 24V circuit increases the current of the photo coupler PC101 increases the pulse width of the output control IC becomes narrower and the ON period of Q101 becomes shorter Over Current Limiter O C L The highest drain current Q101 is limited by a limiter circuit IC101 of 24V The 24V output is limited by this circuit Over Voltage Circuit If the 24V output increases becaus...

Страница 52: ... are shared in the same frequency The construction of RX TX frequency data is shown below It consists of 4 slots from the base unit to the cordless handset and 4 slots from the cordless handset to the base unit total 8 slots in 10ms By this slot system simultaneous air link and communication between 4 cordless handsets and the base unit can be realized One communication between cordless handset an...

Страница 53: ...gh each slot UpLink3 and UpLink4 is different frequency UpLink3 and DownLink3 use the same frequency 2 Handsets Link Traffic Bearer A link is established between Base set and handset The state where duplex communication is performed The hopping pattern of a 1800hops 18 seconds cycle Dummy Bearer The Base unit send Dummy data to the all stand by state Handsets The Handsets receive that data for kee...

Страница 54: ...DATA then enters DSP IC201 The DSP performs TDD TDMA and ADPCM decoding to con vert the RX DATA into the voice signal then it is output to the speaker Transmission The voice signal entering from the microphone is led to DSP IC201 The DSP encodes ADPCM and TDD TDMA with FHSS to TX DATA The TX DATA signal enters IC901 of RF UNIT and is modulated to 2 4GHz The RF signal is fed into Tx Rx switch D903 ...

Страница 55: ...55 KX FG2452CX 6 14 3 Explanation of Link Data Communication 6 14 3 1 Calling 6 14 3 2 To Terminate Communication 6 14 3 3 Ringing ...

Страница 56: ...13 824MHz IC801 DSP CHG CSI SDATA CSO SDIO CCLK SCLK CBUSY1 CBUSY2 S_ENB LOUT LIN RESET POWER_DOWN VCC VCCA VCCPA HIN SPP SPN To Analog Board CSI CSO CCLK CRESET IC501 KX FG2452CX CORDLESS BASE SECTION BLOCK DIAGRAM To Interface Board Q201 IC806 SHCTRL RX_GAIN RX_RN TX_EN TX_DATA MODEM RF_RESET BSSI RX_DATA SLE RF_ UNIT SDIO SCLK SDATA ANT1 ...

Страница 57: ...ted soon after the Handset is placed on the base unit Finally the mode changes to trickle charge 6 mA to prevent overcharging 6 14 4 3 Line Sending Signal Refer to Signal Flowchart in the Whole System P 54 6 14 4 4 Line Receiving Signal Refer to Signal Flowchart in the Whole System P 54 ...

Страница 58: ...SET CHG_CTL CHG_DET MOD_EN SDIO SDATA SCLK SLE RX_GAIN RX_EN TX_EN SHCTRL RF_RESET RSSI WP SCL SDA LCD_LIGHT KEY_LIGHT KEYSTOROBE_A F KEYIN_1 5 Q231 CHARGE DETECT CHARGE D361 Q361 IC221 Q221 Q362 Q363 CHARGE CONTROL RESET POWER DOWN REGULATOR 3 0V CONVERTOR MIC SP Headst Jack CN331 Q331 HEADSET DETECT Monitor SP 2 5V REGULATOR LCD KEYS RF part ANT X201 13 824MHz EEPROM BATTERY TX_DATA RX_DATA OSC_...

Страница 59: ...N TC_CTRL RSTN RXEN Frac N PLL 2MHz FM det Slicer Serial Interface VCC 2 4GHz Mod Demod Circuit 2 4GHz 2 4GHz MOD_EN SCLK SDIO SLE OSC_IN TX_EN SDATA TX_DATA RX_DATA RSSI SHCTRL RF_RESET RX_EN RX_GAIN DSP VBATT2 FL901 D903 D904 RXGAIN KX FG2452CX Handset_RF Part BLOCK DIAGRAM ...

Страница 60: ...er down detect circuit Ringer Generation Interface circuit RF unit speaker Mic LED Key scan LCD Headset Note 1 The initializing time of the DSP chip is 20ms under normal conditions 6 14 5 5 RF Unit Mainly voice signal is modulated to RF or it goes the other way 6 14 5 6 EEPROM IC241 All setting data is stored ex ID code User setting Phonebook Caller ID data ...

Страница 61: ...61 KX FG2452CX 6 14 5 7 Power Supply Circuit Voltage is supplied separately to each block ...

Страница 62: ... D361 The voltage between CHARGE and CHARGE flows R231 Q231 pin38 of IC201 where the charge is detected Then IC201 calculates the battery consumption amount from the previous charge and it controls Q361 Q362 Q363 by pin80 of IC201 until charging is complete When charging is complete the control pattern is switched to Trickle charging form from Operational charging form 6 14 5 9 Ringer and Handset ...

Страница 63: ... DSP 95 Also the power for the microphone is supplied from DSP 92 and the power is turned OFF on standby 6 14 5 11 Reception Signal The voice signal from the Base Unit is output to DSP 98 HSSPOUT This signal is led to the headset jack CN331 The sig nal through the headset jack and the other signal output from DSP 97 drives the speaker When the headset is inserted into the jack the voice signal is ...

Страница 64: ...al is output from pin1 This TX signal is filtered by BPF FL901 and supplied to Antenna 2 4GHz RX signal from the Antenna is filtered by BPF FL901 and supplied to pin4 of IC901 then demodulated signal RX_DATA comes out from pin 16 At the same time RSSI Received Signal Strength Indicator outputs from pin 14 Reference clock 13 824MHz from DSP block is supplied to pin 11 of IC901 VBATT2 RF_2 5V suppli...

Страница 65: ... recording paper guide 5 Paper support 6 Recording paper exit 7 Recording paper entrance 8 Antenna 9 Microphone 10 Front cover 11 Document entrance 12 Document exit 13 Speaker 14 Green button Back cover release button 15 Back cover 7 1 2 Handset 1 Antenna 2 Ringer indicator Message indicator 3 Receiver 4 Microphone 5 Headset jack 6 Speaker ...

Страница 66: ...ession To erase a character number Press and hold to erase all characters numbers 12 LOCATOR INTERCOM To make answer intercom calls To locate the cordless handset To put a call on hold 13 PRINT REPORT To print lists and reports for reference purposes 14 MENU To start or exit programming 15 PHONEBOOK VOLUME To adjust volume To search for a stored item 16 SET To store a setting during programming 17...

Страница 67: ...gramming 9 MUTE CLEAR To mute your voice during a conversation Press again to resume the conversation To erase a character number Press and hold to erase all characters numbers 10 HOLD INTERCOM To put a call on hold 8 Installation Instructions 8 1 Installation Space The space required to install the unit is shown below The dimensions given are necessary for the unit to operate effi ciently Note Av...

Страница 68: ...provider Please attach the filter to the tele phone line cord of the unit 8 3 Battery Charge Place the cordless handset on the cradle of the base unit for about 6 hours before initial use The unit will beep once the CHARGE indicator will light and Charging will be displayed on the cordless handset display After the cordless handset is fully charged displaying Charge completed it may be left on the...

Страница 69: ...ged you should not have to charge it again until Recharge battery is displayed and or flashes This will maximize the battery life 8 4 Installing the Ink Film 1 Open the front cover 2 Release the back cover by pushing the green button 3 Open the back cover 4 Insert the blue gear of the ink film roll into the front left slot of the unit and the white gear of the ink film roll into the rear left slot...

Страница 70: ... as shown 5 Turn the blue gear in the direction of the arrow until the ink film is tight and at least one layer of ink film is wrapped around the blue core 6 Close the back cover securely by pushing down on the dotted area at both ends 7 Close the front cover securely ...

Страница 71: ...Paper Tray Pull up the metal recording paper guide then install the paper tray Make sure the arrows on the paper tray and the unit match 8 6 Paper Support Hold open the paper support then insert the ends into the holes on the paper tray ...

Страница 72: ...xing a multiple sheet 60 g m2 to 80 g m2 Note Remove chips staples or other fasteners Do not send the following types of documents Make a copy of the document and send the copy Chemically treated paper such as carbon or carbonless duplicating paper Electrostatically charged paper Badly curled creased or torn paper Paper with a coated surface Paper with a faint image Paper with printing on the oppo...

Страница 73: ...d battery with a new one Important Please use only a Panasonic battery See Optional Accessories P 9 3 Close the battery cover 8 9 Headset optional Connecting an optional headset to the cordless handset allows hands free phone conversations We recommend using a Panasonic headset See Optional Accessories P 9 Model shown is KX TCA89BX To switch to the speakerphone while using the headset Press SP PHO...

Страница 74: ... characters with the dial keypad Note To enter a character that is located on the same dial key as the previously entered character you must first press to move the cursor to the next space To enter your logo Example BILL 1 Press 2 5 times 2 Press 4 6 times 3 Press 5 6 times 4 Press to move the cursor to the next space and press 5 6 times To correct a mistake Press or to move the cursor to the inc...

Страница 75: ...G2452CX 9 2 Cordless Handset Programming 9 2 1 Basic Features 9 2 2 Advanced Features 1 When this setting is changed using the base unit the setting for the cordless handset will also be changed and vice versa ...

Страница 76: ...76 KX FG2452CX 9 2 3 Other Features ...

Страница 77: ...utton to quit SET LED CHECK Service Mode 5 5 7 All LEDs above the operation panel board flash on and off or are illuminated SET LCD CHECK Service Mode 5 5 8 Checks the LCD indication Illuminates all the dots to check if they are normal SET KEY CHECK Service Mode 5 6 1 Checks the button operation Indicates the button code on the LCD while the button is pressed Refer to But ton Code Table P 78 SET a...

Страница 78: ...e test pattern Used mainly at the factory to test the print quality You can select 1 4 See Print Test Pattern P 79 SET CORDLESS CHECK Service Mode 9 5 8 Please refer to Test Mode Flow Chart for Cordless Base Unit P 80 SET Test Mode Type of Mode Code Function Operation after code input key High Frequency Hz key Low Frequency Hz 1 697 5 1209 2 770 6 1336 3 852 7 1477 4 941 8 1633 High Hz 1209 1336 1...

Страница 79: ...79 KX FG2452CX 10 1 3 Print Test Pattern 1 Platen roller 2 Left margin Top margin 3 Thermal head 1 dot 4 Use this test pattern to confirm the torque limiter for Ink film and platen roller timing ...

Страница 80: ...ey LCD display 1 Normal Mode 2 RCV Mode 3 SND Data Mode 4 Talk Mode 3 Press the SET key and select the channel by 0 9 key input LCD display 4 Press the SET key to start test LCD display on the cordless test mode Note In case of measurement except test mode Turn the Power OFF ON Channel setting Transmitting Receiving Frequency of this cordless check need to change on account of Envi ronment ...

Страница 81: ...81 KX FG2452CX 10 2 1 1 Test Burst Mode and Test TX CW Mode ...

Страница 82: ...82 KX FG2452CX 10 2 1 2 RX CW Test Mode ...

Страница 83: ...83 KX FG2452CX 10 2 1 3 Test Link Mode ...

Страница 84: ... 2 Test Mode Flow Chart for Handset 10 2 2 1 TX Burst Mode Note 1 LCD displays the Channel number exception default CH00 1ch 2 Refer to Check Table for RF Part P 165 and RX CW Test Mode P 82 for proper Base Unit settings ...

Страница 85: ...52CX 10 2 2 2 RX CW Test Mode Note 1 LCD displays the Channel number exception default CH00 1ch 2 Refer to Check Table for RF Part P 165 and Test Burst Mode and Test TX CW Mode P 81 for proper Base Unit set tings ...

Страница 86: ...ays the Channel number exception default CH00 1ch 2 If can not proceed to the next step refer to Re registering the Cordless Handset P 163 3 For factory use only 4 Refer to Check Table for RF Part P 165 and Test Link Mode P 83 for proper Base Unit settings ...

Страница 87: ...ormal 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 Functions ar...

Страница 88: ...heck See Test Mode P 77 552 DTMF single tone test 1 ON 2 OFF 1 2 2 See Test Mode P 77 553 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 77 555 Scan check See Test Mode P 77 556 Motor test 0 See Test Mode P 77 557 LED test See Test Mode P 77 558 LCD test S...

Страница 89: ...tion 1 9600BPS 2 7200BPS 3 4800BPS 4 2400BPS 1 4 1 Adjusts the speed to start training during FAX transmis sion Refer to Sometime There is a Transmit Problem P 115 and The unit can copy but the transmission and reception image are incorrect P 120 718 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 Prob...

Страница 90: ...50 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 Refer to Base Unit P 91 for Handset memory clear ...

Страница 91: ...e messages stored Phone numbers Caller list and etc This operation should not be performed for a usual repair 11 2 1 Base Unit Note Refer to Memory Clear Specification P 90 11 2 2 Handset Note 1 Be sure to short the battery terminals of the Handset with a lead wire etc for 2 seconds for discharge after removing the battery ...

Страница 92: ...92 KX FG2452CX 11 3 The Example of the Printed List 11 3 1 User Mode Note The above values are the default values ...

Страница 93: ...93 KX FG2452CX 11 3 2 Service Mode Settings Note The above values are the default values ...

Страница 94: ...94 KX FG2452CX 11 3 3 History Note See the following descriptions of this report Item No 1 44 are corresponding to the listed items in Descriptions of the History Report P 95 ...

Страница 95: ...CEIVE REDUCTION The compression rate when receiving 20 SETTING NO OF DIRECTORY The recorded directory stations 21 NUMBER OF COPY The number of pages copied 22 NUMBER OF RECEIVE The number of pages received 23 NUMBER OF SENDING The number of pages sent 24 NUMBER OF CALLER ID The number of times Caller ID was received 25 NUMBER OF RECORDING MESSAGE The number of messages recorded in TAM 26 29 Not Us...

Страница 96: ...aper 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 case and checking the operation exercise utmost care when handling elec tric parts in order to avoid elect...

Страница 97: ... or the unit has run out of paper Install paper and SET to clear the message The recording paper was not fed into the unit properly Refer to When the recording paper was not fed into the unit properly P 215 Reinstall paper and press SET to clear the message Refer to Installing the Recording Paper P 72 The recording paper has jammed near the recording paper entrance Remove the jammed paper and pres...

Страница 98: ...erate an intense magnetic field A recording paper jam occurred Remove the jammed paper Refer to Recording Paper Jams P 214 You forced the recording paper into the paper tray too strongly Remove all of the installed paper and re install it gently There is no space to store new items in the phonebook Erase unnecessary items The phonebook memory of the cordless handset is already full or became full ...

Страница 99: ...y all phonebook items or individual items one by one The cordless handset has lost communication with the base unit Move closer to the base unit and try again Confirm that the base unit s power cord is plugged in Raise the base unit antenna The cordless handset s registration may have been can celed Re register the cordless handset There is no space to store new items in the phonebook Erase unnece...

Страница 100: ...400BPS training signal 3 43 COMMUNICATION ERROR SND No response after post message is transmitted three times 4 44 COMMUNICATION ERROR SND RTN and PIN are received 5 46 COMMUNICATION ERROR RCV No response after FTT is transmitted 6 48 COMMUNICATION ERROR RCV No post message 7 49 COMMUNICATION ERROR RCV RTN is transmitted 8 50 COMMUNICATION ERROR RCV PIN is transmitted to PRI Q 8 51 COMMUNICATION E...

Страница 101: ...101 KX FG2452CX Countermeasure ...

Страница 102: ...102 KX FG2452CX REFERENCE Test Mode P 77 ...

Страница 103: ...103 KX FG2452CX REFERENCE Test Mode P 77 ...

Страница 104: ...104 KX FG2452CX REFERENCE Test Mode P 77 ...

Страница 105: ...105 KX FG2452CX REFERENCE Test Mode P 77 ...

Страница 106: ...106 KX FG2452CX ...

Страница 107: ...107 KX FG2452CX REFERENCE Test Mode P 77 ...

Страница 108: ...108 KX FG2452CX REFERENCE Test Mode P 77 ...

Страница 109: ...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 RES...

Страница 110: ...in Printout Example P 111 it shows 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 ot...

Страница 111: ... 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 112: ...112 KX FG2452CX ...

Страница 113: ...t can copy documents Receive Problem P 116 Problem with the service line or with the transmitter s fax 4 The fax completely fails to transmit or receive The unit can copy documents The Unit can copy but cannot Transmit Receive P 117 Problem with the electric circuit 5 The fax fails either to transmit or receive when mak ing a long distance or an international call The unit can copy documents The u...

Страница 114: ...ion 12 3 3 1 1 Transmit Problem REFERENCE 1 Operation Panel Section P 156 2 ADF Auto Document Feed Section P 128 3 Maintenance P 205 4 How to Remove the Gear Block and Separation Roller P 180 5 How to Remove the Operation Board MIC Board and LCD P 189 ...

Страница 115: ...115 KX FG2452CX 12 3 3 1 2 Sometime There is a Transmit Problem Note 596 Transmit level set represents a service code Refer to Service Function Table P 88 ...

Страница 116: ... 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 display messages i...

Страница 117: ...117 KX FG2452CX 12 3 3 1 4 The Unit can copy but cannot Transmit Receive REFERENCE 1 Test Mode P 77 2 Analog Board Section P 148 ...

Страница 118: ...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 119: ...e 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 s...

Страница 120: ...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 88 TX side signal RX side signal Coun...

Страница 121: ...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 122: ...mer 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 122 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 123: ...OK 059 Copy phone book 1 ITME ALL ITEM 1 ITEM NG 067 ICM monitor 1 ON 2 OFF ON OK 072 Set flash mode 1 90ms 2 100ms 3 110ms 4 250ms 5 300ms 6 400ms 7 600ms 8 700ms 700ms OK 076 Connecting tone 1 ON 2 OFF ON OK 077 Auto answer mode 2 FAX Only 3 TAM FAX TAM FAX OK 080 Set default YES NO NO NG 501 Pause time set 001 600 x 100msec 035 x 100msec OK 503 Dial speed 1 10pps 2 20 pps 10pps OK 510 Vox time ...

Страница 124: ...iving Sensitivity 20 48dbm 40dbm OK 710 Memory clear except history data NG 717 Transmit speed select 1 9600 2 7200 3 4800 4 2400 9600bps OK 718 Receive speed select 1 9600 2 7200 3 4800 4 2400 9600bps 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 773 DIS DCS interval 1 500msec 2 200msec 200ms ...

Страница 125: ...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 127 Diffi cult problems may be hard to determine so repe...

Страница 126: ...Blank Page is Received P 138 Black or white vertical line See Black or White Vertical Line P 138 Black or white lateral line on print out See Black or White Lateral Line on Print Out P 139 An abnormal image is printed See An Abnormal Image is Printed P 140 Communication FAX TEL Analog board Cannot communicate by fax An error code is displayed See Communication Section P 113 and Journal Report P 10...

Страница 127: ...check OK NG Service code 561 Refer to Test Mode P 77 LED check OK NG Service code 557 Refer to Test Mode P 77 LCD check OK NG Service code 558 Refer to Test Mode P 77 Sensor Sensor check OK NG Service code 815 Refer to Test Mode P 77 Clock Display changing OK NG Is the time kept correctly Check with another clock Digital TAM Greeting REC PLAY OK NG Incoming message REC PLAY OK NG Memo REC PLAY OK ...

Страница 128: ... Exit Roller P 190 2 Installation Position of the Lead Wires P 191 3 How to Remove the Gear Block and Separation Roller P 180 4 Test Mode P 77 5 How to Remove the Gears Motors and Arms of the Gear Block P 181 6 Stepping Motor Drive Circuit P 27 7 Digital Board Section P 141 8 Sensor Section P 157 9 Power Supply Board Section P 153 ...

Страница 129: ...129 KX FG2452CX 12 5 4 2 Document Jam REFERENCE 1 Disassembly and Assembly Instructions P 170 2 Test Mode P 77 3 How to Remove the Separation Holder and Exit Roller P 190 4 Sensor Section P 157 ...

Страница 130: ...ng Paper P 72 2 How to Remove the Gear Block and Separation Roller P 180 3 Disassembly and Assembly Instructions P 170 4 How to Remove the Separation Holder and Exit Roller P 190 5 Maintenance P 205 Note When confirming if the characters are extended or distorted or if the feed problem is occurred use this test chart format Refer to Test Chart P 225 ...

Страница 131: ...ERENCE 1 Maintenance Check Items Component Locations P 205 2 Disassembly and Assembly Instructions P 170 3 How to Remove the Image Sensor CIS P 174 4 Overview P 65 5 We recommend making a copy of the test chart in Test Chart P 225 and using it ...

Страница 132: ... Antenna P 187 3 Power Supply Board Section P 153 4 Test Mode P 77 5 How to Remove the P C Boards and Speaker P 178 6 How to Remove the Gears Motors and Arms of the Gear Block P 181 7 How to Remove the Platen Roller and Lock Lever P 185 8 Digital Board Section P 141 9 We recommend making a copy of the test chart in Test Chart P 225 and using it ...

Страница 133: ...Paper Jam REFERENCE 1 Jams P 214 2 Maintenance Check Items Component Locations P 205 3 Disassembly and Assembly Instructions P 170 4 Test Mode P 77 5 Sensors and Switches P 29 6 How to Remove the Pickup Roller and Antenna P 187 ...

Страница 134: ...up Roller and Antenna P 187 12 5 4 8 The Sent Fax Data is Skewed REFERENCE 1 We recommend making a copy of the test chart in Test Chart P 225 and using it 2 Document Skew P 131 12 5 4 9 The Received Fax Data is Skewed REFERENCE 1 We recommend making a copy of the test chart in Test Chart P 225 and using it 2 Recording Paper Multiple Feed and Skew P 134 ...

Страница 135: ...EFERENCE 1 Document feeder recording paper feeder scanner glass cleaning P 215 2 Disassembly and Assembly Instructions P 170 3 How to Remove the Separation Holder and Exit Roller P 190 4 We recommend making a copy of the test chart in Test Chart P 225 and using it ...

Страница 136: ...11 A Blank Page is Copied REFERENCE 1 Test Mode P 77 2 Thermal Head P 24 3 How to Remove the Thermal Head P 175 4 We recommend making a copy of the test chart in Test Chart P 225 and using it 5 A Blank Page is Received P 138 ...

Страница 137: ...137 KX FG2452CX ...

Страница 138: ... Copied P 136 12 5 4 13 Black or White Vertical Line REFERENCE 1 We recommend making a copy of the test chart in Test Chart P 225 and using it 2 Maintenance Check Items Component Locations P 205 3 Document feeder recording paper feeder scanner glass cleaning P 215 4 Thermal Head Cleaning P 217 5 How to Remove the Thermal Head P 175 ...

Страница 139: ...How to Remove the Gears Motors and Arms of the Gear Block P 181 3 Installation Position of the Lead Wires P 191 4 Disassembly and Assembly Instructions P 170 5 We recommend making a copy of the test chart in Test Chart P 225 and using it 6 A Blank Page is Copied P 136 7 Digital Board Section P 141 ...

Страница 140: ... 5 4 15 An Abnormal Image is Printed REFERENCE 1 Test Mode P 77 2 Check Sheet for Signal Route P 148 3 How to Remove the Thermal Head P 175 4 We recommend making a copy of the test chart in Test Chart P 225 and using it ...

Страница 141: ...SH 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 or...

Страница 142: ...em Those signal lines should remain normal Other signal lines are not directly related to that failure even if they have faults or troubles As long as these signals remain normal once the power is turned on each IC can repeatedly output 3 3V H and 0V L The following shows NG and normal wave patterns NG Wave pattern Note Refer to NG Example P 147 ...

Страница 143: ... slightly delayed the circuit will not work Nor will it if the IC is defective and the output voltage level is not normal although the timing of these signals is accurate enough to meet the specifications Make sure that your oscilloscope is calibrated before starting a test Therefore it is imperative to confirm whether each IC outputs the signal at the correct level See the I O Pin No Diagram The ...

Страница 144: ...144 KX FG2452CX I O and Pin No Diagram ...

Страница 145: ... the ASIC initializes and checks each IC The ROM DRAM and modem are checked If initialization fails for the ICs the system will not boot up In this case please find the cause as follows REFERENCE NG Example P 147 Power Supply Board Section P 153 ...

Страница 146: ...146 KX FG2452CX Other NG example while the power is ON and the LCD displays the following ...

Страница 147: ...147 KX FG2452CX 12 5 5 2 NG Example ...

Страница 148: ... 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 H S trace that signal route locally with the following Check Sheet and locate the faulty poi...

Страница 149: ...149 KX FG2452CX ...

Страница 150: ...ophone and telephone line sending or between the telephone line and the handset speaker receiv ing or between the microphone and the telephone line sending or between the telephone line and the speaker receiving Check the components at that point Check Sheet for Signal Route P 148 is useful for this investigation 2 No pulse dialing 3 No ring tone or No bell REFERENCE Check Sheet for Signal Route P...

Страница 151: ...e in the troubleshooting procedures between the two types At the start of communication during the initial 2 3 correspondences the digital speakerphone performs half duplex operation alternating between transmission Tx and reception Rx Then duplex communication becomes available Learning occurs during the initial 2 3 correspondences in order to set the appropriate parameters for duplex communicati...

Страница 152: ...152 KX FG2452CX Note Check to the SP Phone Rx Tx signal routes Refer to Check Sheet for Signal Route P 148 ...

Страница 153: ...rge voltage test withstanding voltage test intentional short circuit test etc Caution If you find a melted fuse in the unit do not turn on the power until you locate and repair the faulty parts except for the fuse otherwise the fuse will melt again and you cannot pinpoint the faulty point In most cases the symptom is that nothing is output It is more likely that the fault is in the primary side ra...

Страница 154: ...154 KX FG2452CX 12 5 8 2 Troubleshooting Flow Chart ...

Страница 155: ...101 Q101 The worst case of Q101 is a short circuit between the Drain and Gate because damage expands to the peripheral circuit of Q101 This is due to a very high voltage through the Gate circuit which is composed of R110 R112 D107 and IC101 You should change all of the parts listed as follows F101 Q101 R110 R112 D107 IC101 D201 If D201 is broken the oscillation circuit in the power supply cannot o...

Страница 156: ... FG2452CX 12 5 9 Operation Panel Section 12 5 9 1 No Key Operation REFERENCE 1 Test Mode P 77 12 5 9 2 No LCD Indication REFERENCE 1 Test Mode P 77 2 How to Remove the Operation Board MIC Board and LCD P 189 ...

Страница 157: ...d position sensor recording paper sensor are turned ON OFF by the copy operation Therefore each sensor can be checked for proper mechanical operation As for the electric check check whether each voltage is right or not with following flowchart turning each sensor lever ON OFF man ually 12 5 10 1 Check the Document Top Sensor SW351 REMOVE DOCUMENT 12 5 10 2 Check the Document Set Sensor SW352 CHECK...

Страница 158: ...158 KX FG2452CX 12 5 10 5 Check the Film End Sensor SW1003 CHECK FILM 12 5 10 6 Check the Motor Position Sensor SW1004 CALL SERVICE2 ...

Страница 159: ...159 KX FG2452CX 12 5 11 CIS Contact Image Sensor Section Note 1 Test Mode P 77 Refer to Scanning Block P 26 ...

Страница 160: ...160 KX FG2452CX 12 5 12 Thermal Head Section Note Refer to Thermal Head P 24 ...

Страница 161: ...G2452CX 12 5 13 Cordless Section 12 5 13 1 Battery won t Charge Digital Interface Analog Board 12 5 13 2 Battery won t Charge Handset 12 5 13 3 No Voice Reception REFERENCE 1 Check Sheet for Signal Route P 148 ...

Страница 162: ... 13 4 No Voice Transmission REFERENCE 1 Check Sheet for Signal Route P 148 12 5 14 Check Link REFERENCE Flash Memory is IC601 DSP is IC501 1 Refer to Finding out the Defective Part P 163 REFERENCE 1 Check the RF Part P 163 ...

Страница 163: ...n some ways the Handset is defective After All the Checking or Repairing 1 Re register the checked Handset to the checked Base Unit and Regular HS to Regular BU Note 1 HS Handset 2 BU Base Unit 12 5 15 1 1 Re registering the Cordless Handset Important Make sure the base unit and the cordless handset are near each other and not being used 1 Cordless Handset Press MENU 0 0 The rest of the procedure ...

Страница 164: ...164 KX FG2452CX 12 5 15 1 2 RF Check Flowchart Each item 1 6 of RF Check Flowchart corresponds to Check Table for RF Part P 165 Please refer to the each item ...

Страница 165: ...ecked Mode Test Burst Mode 1 1 Place the Regular HS about 15cm away from the BU 2 Confirm that RSSI of the Regular HS is approximately 2V by Oscilloscope 5 1 Place the HS about 15cm away from the Regular BU 2 Confirm that RSSI of the Regular BU is approximately 2V by Oscilloscope 6 5 RX Sensitivity confirmation Regular HS BU Mode Test Burst Mode 1 HS BU to be checked Mode RX CW Mode 4 1 Place the ...

Страница 166: ...OK TX Power of the HS is OK No Link TX Power of the HS is NG Range Confirmation RX TEST RX sensitivity check HS BU Mode Test Link Mode 1 1 Register Regular HS to BU to be checked 2 Set BU to Test Link mode 3 Set Regular HS to Test Link mode Set TX Power and RX Sensitivity of the BU and Regular HS by CHART1 At distance of about 20m between HS and BU Link OK RX Sensitivity of the BU is OK No Link RX...

Страница 167: ...167 KX FG2452CX 12 5 15 1 5 RF DSP Interface Signal Wave Form ...

Страница 168: ...hen checking the RF UNIT Refer to Check the RF Part P 163 12 5 15 4 Check Caller ID REFERENCE Bell Detection Circuit P 42 Calling Line Identification Circuit FSK P 44 Note Make sure the format of the Caller ID or Call Waiting Caller ID service of the Telephone company that the customer subscribed to Also we recommend to confirm that the customer is really a subscriber of the service ...

Страница 169: ...169 KX FG2452CX 13 Service Fixture Tools ...

Страница 170: ...170 KX FG2452CX 14 Disassembly and Assembly Instructions Please remove the Paper Support Spring Paper Tray and Ink Film before disassembling 14 1 General Section ...

Страница 171: ... 175 14 2 2 Lower Cabinet Section REFERENCE B 1 How to Remove the Bottom Frame P 177 B 2 How to Remove the P C Boards and Speaker P 178 B 3 How to Remove the Power Supply Board and AC Cord P 179 B 4 How to Remove the Gear Block and Separation Roller P 180 B 5 How to Remove the Gears Motors and Arms of the Gear Block P 181 B 6 How to Remove the Charger Case P 183 ...

Страница 172: ...move the Platen Roller and Lock Lever P 185 C 3 How to Remove the Pickup Roller and Antenna P 187 14 2 4 Operation Panel Section REFERENCE D 1 How to Remove the Operation Panel P 188 D 2 How to Remove the Operation Board MIC Board and LCD P 189 D 3 How to Remove the Separation Holder and Exit Roller P 190 ...

Страница 173: ...173 KX FG2452CX 14 2 5 Handset Section REFERENCE E 1 How to Remove the Handset Board P 197 ...

Страница 174: ...174 KX FG2452CX 14 3 Disassembly Procedure 14 3 1 How to Remove the Image Sensor CIS ...

Страница 175: ...175 KX FG2452CX 14 3 2 How to Remove the Thermal Head ...

Страница 176: ...176 KX FG2452CX ...

Страница 177: ...177 KX FG2452CX 14 3 3 How to Remove the Bottom Frame ...

Страница 178: ...178 KX FG2452CX 14 3 4 How to Remove the P C Boards and Speaker ...

Страница 179: ...179 KX FG2452CX 14 3 5 How to Remove the Power Supply Board and AC Cord ...

Страница 180: ...180 KX FG2452CX 14 3 6 How to Remove the Gear Block and Separation Roller ...

Страница 181: ...181 KX FG2452CX 14 3 7 How to Remove the Gears Motors and Arms of the Gear Block ...

Страница 182: ...182 KX FG2452CX ...

Страница 183: ...183 KX FG2452CX 14 3 8 How to Remove the Charger Case ...

Страница 184: ...184 KX FG2452CX 14 3 9 How to Remove the Back Cover ...

Страница 185: ...185 KX FG2452CX 14 3 10 How to Remove the Platen Roller and Lock Lever ...

Страница 186: ...186 KX FG2452CX ...

Страница 187: ...187 KX FG2452CX 14 3 11 How to Remove the Pickup Roller and Antenna ...

Страница 188: ...188 KX FG2452CX 14 3 12 How to Remove the Operation Panel ...

Страница 189: ...189 KX FG2452CX 14 3 13 How to Remove the Operation Board MIC Board and LCD ...

Страница 190: ...190 KX FG2452CX 14 3 14 How to Remove the Separation Holder and Exit Roller ...

Страница 191: ...191 KX FG2452CX 14 3 15 Installation Position of the Lead Wires 14 3 15 1 Lower Section ...

Страница 192: ...192 KX FG2452CX ...

Страница 193: ...193 KX FG2452CX ...

Страница 194: ...194 KX FG2452CX ...

Страница 195: ...195 KX FG2452CX 14 3 15 2 Operation Panel Section ...

Страница 196: ...196 KX FG2452CX 14 3 15 3 Back Cover Section ...

Страница 197: ...197 KX FG2452CX 14 3 16 How to Remove the Handset Board ...

Страница 198: ...198 KX FG2452CX 14 3 16 1 How to Replace the Handset LCD ...

Страница 199: ...Adjustment tolelance 30Hz by pressing or key Adjustment Tolerance 13 824MHz 30Hz 5 Press TALK key to write the new frequency factor in EEPROM 6 Turn the power off Then this value is available Cross Reference Adjustment Mode Flow Chart for Handset P 201 15 1 1 2 X801 Base RF Check Equipment Frequency counter Check Point for measurement BCK Base Checking tolerance 13 824 MHz 100 Hz Base 15 1 1 3 Che...

Страница 200: ...EST mode Adjustment flow 3 Press 1 key and OFF key to Adjust Batt Low mode Bat Adj is displayed on LCD 4 Change the voltage of the DC power supply to 2 3V accurately Check the voltage at P C board pads because some voltage drops occur due to the usage of long or thin cables 5 Press TALK key to write voltage value in EEPROM 6 Turn the power off Then this value is available Note Refer to Handset Ref...

Страница 201: ...set P 200 Note 2 These are the default values 3 These values may not be fixed depending on the battery strength 4 Refer to the table below if using Spectrum Analyzer for checking BCK TEST MODE Frequency 1 Channel at Antenna 13 824 MHz 2400 724512 MHz Adjustment Tolerance 30 Hz 5 20 kHz Checking Tolerance 100 Hz 17 36 kHz ...

Страница 202: ...40 C505 C607 C511 X501 R601 Q502 Q604 Q601 3 3VBAT_ 2 5VBAT 2 5 Q602 C714 17 16 1 32 28 15 14 1 C790 IC706 IC504 IC503 IC502 C557 C783 8 1 GND CN505 CN508 MIC 1 14 4 7 5 8 1 R715 R864 R724 R723 8 5 4 1 100 1 C804 CN507 18 1 R828 DG VCC UR UT R830 R839 R834 C768 C829 C828 IC704 C577 C735 C742 R755 R764 R746 R745 R771 R725 R749 C875 C872 C740 C755 C754 C747 C780 C758 R773 R785 R786 R789 C788 C759 C7...

Страница 203: ...C204 C246 C219 1 5 MOE TXO RESET R225 C225 C212 C215 C201 C202 C214 R204 R203 RSSI R331 Q331 D373 D324 D323 R332 C332 L211 L326 L332 L327 D326 D327 R234 R249 R201 RA251 Q251 Q252 Q253 Q373 R209 C377 C226 R315 R314 C315 C314 R224 C222 R208 R222 C306 C221 R228 IC221 R340 R232 R376 R377 R351 C243 C244 1 5 R241 C241 C354 C313 C311 C312 C242 R325 C322 C334 L334 L331 R324 C211 C381 C373 L373 D361 D231 D...

Страница 204: ...399316 42 2437 483008 2437 293164 43 2438 372900 2438 183057 44 2439 266748 2439 076904 45 2440 156641 2439 966797 46 2441 050488 2440 860645 47 2441 940381 2441 750537 48 2442 834229 2442 644385 49 2443 724121 2443 534277 50 2444 617969 2444 428125 51 2445 507861 2445 318018 52 2446 401709 2446 211865 53 2447 291602 2447 101758 54 2448 185449 2447 995605 55 2449 075342 2448 885498 56 2449 969189 ...

Страница 205: ...nd communication testing to determine if the problem originates from the transmitter receiver or the telephone line 4 Determine causes Determine the causes of the equipment problem by trouble shooting 5 Equipment repairs Repair or replace the defective parts and take appropriate measures at this stage to ensure that the problem will not recur 6 Confirm normal operation of the equipment After compl...

Страница 206: ... operation of the sensors See Maintenance Check Items Component Locations P 205 and How to Remove the P C Boards and Speaker P 178 6 Glass If the glass is dirty clean them with a dry soft cloth Refer to Document feeder recording paper feeder scanner glass cleaning P 215 7 Abnormal wear and tear or loose parts Replace the part Check if the screws are tight on all parts No Item Cleaning Cycle Replac...

Страница 207: ...election When a motor with Drive Motor Gear attached rotates clockwise CW Swing Gear E engages CAM Gear to rotate clockwise CW This operation provide five mode options A Transmit mode B Paper Pickup mode C Assist mode D Receive mode and E Copy mode selected by the Sensor Switch The Sensor Switch Lever s position in the CAM Gear controlled by the soft ware selects a specific mode You can see which ...

Страница 208: ...ocation in Sensors and Switches P 29 A Transmit mode See Fig A The Swing Gear A engages with the next gear to drive Document Separation Roller and Document Exit Roller The Swing Gear C engages with the next gear to drive Paper Exit Roller Fig A Transmit mode B Paper Pickup mode See Fig B The Swing Gear C engages with the next gear to drive Paper Exit Roller The Swing Gear D engages with the next g...

Страница 209: ... drive Platen Roller gear and Ribbon Drive Gear The Swing Gear C engages with the next gear to drive Paper Exit Roller Gear Fig C Assist mode D Receive mode See Fig D The Swing Gear B engages with the next gear to drive Platen Roller gear and Ribbon Drive Gear The Swing Gear C engages with the next gear to drive Paper Exit Roller Gear Fig D Receive mode ...

Страница 210: ...Swing Gear A engages with the next gear to drive Document Separation Roller and Document Exit Roller The Swing Gear B engages with the next gear to drive Platen Roller gear and Ribbon Drive Gear The Swing Gear C engages with the next gear to drive Paper Exit Roller Fig E Copy mode ...

Страница 211: ...CX 16 2 3 Mechanical Movements in the Main Operations transmitting documents receiving faxes and copying 16 2 3 1 Idle Status Note See Sensor Locations in Sensors and Switches P 29 CW clockwise CCW counterclockwise ...

Страница 212: ...212 KX FG2452CX 16 2 3 2 Transmitting Documents REFERENCE Sensor Section P 157 16 2 3 3 Receiving Fax Note See Sensor Locations in Sensors and Switches P 29 ...

Страница 213: ...213 KX FG2452CX 16 2 3 4 Copying Note See Sensor Locations in Sensors and Switches P 29 REFERENCE Sensor Section P 157 ...

Страница 214: ...ve the recording paper then remove the paper tray beforehand otherwise the paper may misfeed or jam 1 Open the front cover push the green lever then open the back cover 2 Remove the jammed recording paper 3 Turn the gear of the blue core in the direction of the arrow until the ink film is tight and at least one layer of ink film is wrapped around the blue core ...

Страница 215: ...to clear the message 16 3 2 Document Jams sending 1 Open the front cover Remove the jammed document carefully 2 Close the front cover securely Note Do not pull out the jammed paper forcibly before opening the front cover 16 4 Cleaning 16 4 1 Document feeder recording paper feeder scanner glass cleaning Clean the document feeder scanner glass when Documents or recording paper frequently misfeed Smu...

Страница 216: ...se paper products such as paper towels or tissues 4 Clean the recording paper feeder roller with a cloth moistened with isopropyl rubbing alcohol and let all parts dry thoroughly 5 Close the back cover securely by pushing down on the dotted area at both ends then close the front cover securely 6 Install the paper tray then insert the recording paper gen tly See Installing the Paper Tray P 71 and I...

Страница 217: ... cover push the green lever then open the back cover 3 Remove the ink film 4 Clean the thermal head with a cloth moistened with isopropyl rubbing alcohol and let it dry thoroughly Caution To prevent a malfunction due to static electricity do not use a dry cloth and do not touch the thermal head directly 5 Re install the ink film and close the covers see step 4 to 7 on Installing the Ink Film P 69 ...

Страница 218: ...218 KX FG2452CX 17 Miscellaneous 17 1 Terminal Guide of the ICs Transistors and Diodes 17 1 1 Digital Board 17 1 2 Analog Board ...

Страница 219: ...219 KX FG2452CX 17 1 3 Operation Board Microphone Board 17 1 4 Power Supply Board 17 1 5 Interface Board ...

Страница 220: ...220 KX FG2452CX 17 1 6 Handset Board ...

Страница 221: ...Flux Recommended Flux Specific Gravity 0 82 Type RMA lower residue non cleaning type Note See About Lead Free Solder PbF Pb free P 6 17 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...

Страница 222: ...of the IC setting with the corresponding soldering foil 2 Apply flux to all pins of the FLAT PACKAGE IC 3 Solder the pins sliding the soldering iron in the direction of the arrow 17 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 223: ...223 KX FG2452CX 17 3 Test Chart 17 3 1 ITU T No 1 Test Chart ...

Страница 224: ...224 KX FG2452CX 17 3 2 ITU T No 2 Test Chart ...

Страница 225: ...225 KX FG2452CX 17 3 3 Test Chart ...

Страница 226: ... VOLU232 VOLU333 XNMI 34 FMEMDO 35 VDD3 3V1 36 VSS2 37 VSS3 38 VDD3 3V2 39 MIDAT 40 MICLK 41 MILAT 42 20KOSC 43 XWAIT 44 XHSTRD 45 XHSTWR 46 XOPRBE 47 ADR15 48 ADR14 49 ADR13 50 VDD2 5V2 51 XOUT 52 XIN 53 VSS4 54 VDD3 3V3 55 XTEST 56 TEST1 57 TEST2 58 TEST3 59 TEST4 60 XMDMINT 61 XMDMCS 62 XRAS 63 XCAS1 64 XCAS2 65 XRESCS2 66 DB3 67 DB2 68 DB4 69 DB1 70 DB5 71 VDD3 3V4 72 VSS5 73 VSS6 74 VDD3 3V5 ...

Страница 227: ...VCC 7 GND 8 VO2 5VM 5VD C608 NC C768 NC 5VD CN506 1 REED 2 GND 3 PTOP 4 COVEROPEN R607 10 2 2VM C703 5 6n C714 9p XCLK CN507 1 DG 2 CH_CTL 3 CHARGE 4 SP 5 SP 6 BATT 7 LINE TX 8 LINE RX 9 5V 10 AG 11 C IN 12 P SHORT 13 ALC 14 DCN 15 BELL 16 LINERLY 17 DG 18 6V 6V 5VD 5VD_ R735 47k R754 47k C728 47p IC701 103 RESERVED5 104 GPO4 105 GPO3 106 DGND4 107 CTS 108 IRQ1 109 GPO2 110 GPO1 111 GPO0 112 VDD5 ...

Страница 228: ...940 4 7 R941 10 R942 10 R943 0 R991 1k RA901 1k IC901 TX 1 GND_ISO1 2 GND_ISO2 3 RX 4 VCC_RF 5 VCC_IF2 6 TESTP 7 TESTN 8 VCC_IF 9 XOUT 10 XIN 11 VCC_BIAS 12 REXT 13 RSSI 14 RSTN 15 RXDATA 16TC_CTRL 17 VCC_DIG 18 VCC_PLL1A 19 VCC_PLL1B 20 TXEN 21 RXEN 22 VCC_PLL2B 23 VCC_PLL2A 24 RXGAIN 25 PA_RAMP 26 TXMOD 27 SYN_CLK 28 SYN_EN 29 SYN_DATA 30 SYN_OUT 31 VCC_PA 32 L901 18n C991 5p L902 10n L913 18n D...

Страница 229: ...23 EGPIO11 HDB7 SHDO 24 EGPIO12 HWRN SHRNW 25 EGPIO13 HRDN SHSC 26 EGPIO14 HILO SHDI 27 EGPIO15 ACKN 28 GND2 29 SPOUTP 30 GNDPA 31 SPOUTN 32 VCCPA 33 HSSPOUT 34 LOUT0 35 DCIN0 36 LIN0 37 VCCA 38 GNDA 39 HSMIP 40 HSMIN 41 VREF 42 MIN 43 MIP 44 GNDR 45 TXMOD 46 VREFR 47 RSSI 48 VCCR 49 GNDPLL 50 VCCPLL 51 XOUT 52 XIN 53 GND3 54 RSTN 55 PDN 56 BGPIO0 57 BGPIO1 TXO 58 BGPIO2 HCSN MODEN 59 BGPIO3 60 BG...

Страница 230: ...113 0 5VA 5VA 5VA1 C115 390p C116 390p C182 NC C183 NC C184 NC CR2032 H9B BAT151 1 2 2 2k R151 DG2 AG 2 0V 2 0V DG DG DG 0 R134 0 R131 R176 NC Q109 NC 2 3 1 L114 0 DG R145 NC R177 NC D151 1 2 CN103 AP1 1 DG2 2 CH_CTL 3 CHARGE 4 SP 5 SP 6 BATT 7 LINE TX 8 LINE RX 9 5V 10 AG 11 C IN 12 P SHORT 13 ALC 14 DCN 15 BELL 16 LINE RLY 17 DG 18 6V Q111 2 3 1 Q112 1 3 2 Q110 1 2 3 100 R192 DG2 6V 5VA 16 220u ...

Страница 231: ...D110 1 2 1u 250 C101 50 4 7u C109 T101 1 3 4 2 6 D107 4 1 3 2 C158 NC C155 NC C159 NC PC103 NC 1 2 3 4 D112 2V 1 2 D102 5 6V 1 2 D103 5 6V 1 2 JJ101 NC 5VA 5VA LF101 2 3 1 4 R159 NC DG DG DG 680p C157 680p C156 5VA Q105 NC 1 3 2 R144 NC L103 NC Q103 1 3 2 D108 NC 1 2 CN102 1 2 Q104 NC 1 3 2 CN101 NC 1 2 2 7k SA102 3000V R103 15k R104 22k R105 5 6k BELL TO TEL LINE TO EXT TEL NOT USED R169 KX FG245...

Страница 232: ...ED15 21 LED1 IPENB 22 RWB RWB IP 24 E RESB 25 D4 STBB IP 26 D5 CSB IP 27 D6 CLK IP 28 D7 DIO IP 29 RESET 30 SCLK 31 RXD 32 TXD 33 START 35 LED2 36 LED3 37 LED4 38 VSS2 39 VDD2 40 LED5 41 KIN0 42 KSL0 43 KSL1 44 5V 5V 5V 5V 5V 5V 5V 5V MIC NC 1 2 R322 NC 5V R321 330 SW352 NC 4 3 1 2 SW351 NC 4 3 1 2 MIC 1 MIC 1 AUTO ANSWER LED301 RED CHARGE RED LED302 330 R320 R304 NC R305 NC R306 NC R307 NC R308 N...

Страница 233: ... 1000p 1k D201 T101 C122 0 22 D110 47k R112 R110 47 R106 100k R201 47 R221 D205 1k R224 5 6k VR201 4 7k R230 150 2 R231 150 2 R234 47k R233 47k R232 15k R202 R225 3 3k R222 PC101 1K Q203 R229 18k R113 10k R107 47 2W G S D Q101 D107 100 R123 1 8k R105 D106 R111 15 D103 D102 D104 D101 0 22 2 ZNR101 L101 750 R101 1M R102 1M R103 1M R122 390 KX FG2452CX POWER SUPPLY BOARD D105 L102 L103 C124 0 01 GND ...

Страница 234: ...S3 3 G 4 D1 5 D2 6 D3 7 D4 8 GND 24V 6V 6V 6V 24V 250m F402 C404 100p 100p C405 C403 100n C402 100n R401 5 6k R403 820 CN405 1 COM 2 RM3 3 RM2 4 RM1 5 RM0 CN401 1 4V 2 6V 3 GND 4 GND 5 GND 6 24V 7 24V 8 24V CN408 1 2 D404 D405 D401 4V L407 L408 Q405 3 3k R405 6V D406 CN403 1 4V 2 6V 3 GND 4 GND 5 RM3 6 RM2 7 RM1 8 RM0 9 RXE 10 CHARGE 11 CHARGE C401 NC 1n C406 Q403 R404 220 Q404 R402 1 5k 800m F403...

Страница 235: ...Sensor Board PCB8 A B SW1001 Sensor AP1 1 PTOP 2 COVEROPEN 3 COMMON CN1001 AP1 1 REED 2 GND 3 PTOP 4 COVEROPEN SW1002 1 2 KX FG2452CX Sensor Board SW1003 3 4 1 2 GND TP2 FLMDET TP1 FILM Sensor AP1 KX FG2452CX Film End Sensor Board SW1004 4 3 1 2 CL1 CL2 KX FG2452CX Motor Position Sensor Board ...

Страница 236: ...13 V1 12 V2 11 V3 10 V4 9 VDD 8 DB4 7 DB5 6 DB6 5 DB7 4 CSB 3 E_RD 2 RW_WR 1 RS Q251 1 B1 2 E 3 B2 4 C2 5 C1 R257 120 R256 120 R258 120 Q252 1 B1 2 E 3 B2 4 C2 5 C1 Q253 MOD_EN CA274 K0 1 2 4 3 1 6 8 7 5 CA271 K0 47 3 1 2 4 C382 K1 0 C384 K1 0 TG TA RSSI_ RSSI 2 5V REG 1 NC 2 VSS 3 CE 4 VIN 5 VOUT 10K R251 10K R252 LED261 Amber RA251 330 3 5 1 7 8 2 6 4 CN272 NC 22 RESETB 21 VSS 20 CAP1 19 CAP1 18...

Страница 237: ... TALK_LED 54 VE_LED 55 BAT_LED 56 57 LCD_CS LCD_WR 58 LCD_RD 59 LCD_POWER_CTRL 60 ANT_LED 61 KEY_BL 62 EGPIO6 63 STB_E 64 STB_D 65 STB_C 66 STB_B 67 STB_A 68 GND 69 VCC 70 TCK 71 TMS 72 TDI 73 TDO 74 KIN_1 75 KIN_2 76 76 KIN_3 77 KIN_4 78 KIN_5 79 AGPIO0 80 CHG_CTRL 81 EEPROM_SCL 82 EEPROM_SDA 83 UART_TX 84 UART_RX 85 EEPROM_WP 86 GND 87 PDN 88 IBAT 89 VREF 90 MIP 91 MIN 92 MIC_PWR 93 GNDA 94 VCCA...

Страница 238: ...43 18nH PF L901 K0 1 C944 D10P C960 C2P C904 J47P C911 10 R941 10 R942 K1000P C941 K0 1 C976 D10P C963 D10P C962 J100P C984 D10P C917 1K R931 1K R932 330 R933 3 9nH L909 C2P C952 D10P C938 D10P C956 2 7nH L911 J220P C965 TP_TESTP TP_TESTN 0 R943 K1000P C990 C5P C991 1K R991 K470P C937 K0 1 C993 J120P C992 1uH 1005 L990 K0 1 C996 VBATT2 SDATA SLE SCLK TX_DATA RX_GAIN RX_EN TX_EN SHCTRL SDIO RX_DATA...

Страница 239: ...WR C724 C748 C576 C705 C729 R863 C833 C881 C749 C743 C745 R824 R847 R849 R744 R850 R825 R823 R827 R826 TXD RST 1 8 9 16 C730 C760 Q704 Q703 R705 R726 R732 R731 R737 R707 R711 C702 C715 C712 R709 R528 R529 RD D3 73 J501 J502 IC506 72 103 102 1 7 8 14 C541 C540 ROMCS C723 IC702 C701 C757 C753 C739 C734 2 2VM R766 R728 R742 R751 R753 R760 Q705 1 18 R738 R729 R704 R853 C871 C873 C825 12V HSTX R861 R86...

Страница 240: ...4 C768 C829 C828 IC704 C577 C735 C742 R755 R764 R746 R745 R771 R725 R749 C875 C872 C740 C755 C754 C747 C780 C758 R773 R785 R786 R789 C788 C759 C756 C579 C787 CN506 4 2 1 R757 C778 C769 C744 C709 C713 C870 C867 C866 R806 C861 C814 C811 C810 C818 C822 C812 TCK TDI R817 R819 R816 R818 Q802 C813 C869 X801 Q706 R865 R867 R758 R763 E B A GND PFUP1580Z PbF A D701 L716 R790 R791 R714 R717 C791 C796 C711 C...

Страница 241: ...R175 R177 R105 R181 R123 R120 R119 R121 R197 R118 R113 R122 R131 R134 L111 L114 L113 L112 6V 18 1 1 4 5 8 R132 R163 C160 C111 C136 C168 C115 C190 C184 C183 C119 R112 R115 R191 R125 R114 R116 R117 C112 C113 C114 C118 C182 C172 C170 C120 C121 C122 C116 C135 IC101 2V C165 R172 R171 R144 C143 Q105 Q107 Q109 Q108 Q111 Q112 R194 C185 R195 R192 R196 R151 C110 C187 C188 5VA R193 PFUP1581Z PbF A a KX FG245...

Страница 242: ...LF101 J101 R103 C159 PC102 PC103 D103 D102 PC106 PC105 R104 J102 D108 C101 C166 R110 J105 J104 AUTO CH D106 RL101 2 1 4 3 CN101 POS101 ZNR101 D110 D109 JJ101 J111 J114 D151 J112 J113 J115 J117 J106 J107 CN103 18 1 J116 C167 C117 C189 IC103 BAT151 1 4 C186 J103 SA101 L103 C157 C158 C155 2 1 4 3 PCB CH KX FG2452CX Analog Board Component View ...

Страница 243: ...SW303 SW304 REC SW308 SW307 SW306 SW305 SW310 SW315 SW316 SW319 SW320 SW321 SW317 SW322 SW325 SW326 SW329 SW324 SW328 SW323 SW327 SW331 SW330 SW334 PCB CH SW333 SW332 SW318 0 SW312 SW301 SW311 JJ316 JJ313 JJ307 JJ308 JJ309 JJ312 C302 JJ311 8 1 JJ321 JJ320 JJ319 JJ318 JJ317 JJ315 JJ314 JJ304 JJ305 JJ310 JJ306 JJ303 JJ302 JJ301 SW313 SW314 SP PHONE MUTE FLASH CALL WAIT FAX START LOCATOR INTERCOM BRO...

Страница 244: ...DER SIDE FUSE CAUTION 94V 0 L N ZNR101 F101 C103 C102 JP104 JP105 JP103 JP102 L103 R105 C109 L102 C211 D201 JP208 JP207 JP206 JP204 JP205 C201 C217 R230 CN202 1 8 L201 C111 R110 D107 D105 C105 D110 D102 C106 C108 C110 D106 R107 R106 PC101 PRIMARY SECONDARY T101 R111 JP101 JP106 JP202 JP209 D205 R201 R231 C215 C212 C216 VR201 D202 IC202 Q101 D104 D103 D101 BLACK BROWN WHITE BLUE L101 C101 PbF Compo...

Страница 245: ...CN409 CN408 CN404 Q401 E E E 2 Bottom View PFUP1581Z A b PCB CH CN408 CN404 CN401 CN405 IC401 J402 C401 J413 J403 1 11 D401 D404 D405 R402 CN403 D407 D408 Q402 J412 J401 TO MOTOR POS TO MOTOR TO THERMALHEAD TO TPOWER TO FILE CHECK 1 1 1 8 5 1 1 8 1 2 CN407 TO CHARGE E 16 9 11 1 2 2 CN409 CN402 1 11 KX FG2452CX Interface Board Component View PFUP1579Z PbF A a SW1002 SW1001 CN1001 3 OPEN PTOP 1 1 4 ...

Страница 246: ...246 C219 1 5 MOE TXO RESET R225 C225 C212 C215 C201 C202 C214 R204 R203 RSSI R331 Q331 D373 D324 D323 R332 C332 L211 L326 L332 L327 D326 D327 R201 RA251 Q251 Q252 Q253 Q373 R209 C377 C226 R315 R314 C315 C314 R224 C222 R208 R222 C306 C221 R228 IC221 R340 R232 R376 R377 R351 C243 C244 1 5 R241 C241 C354 C313 C311 C312 C242 R325 C322 C334 L334 L331 R324 C211 C381 C373 L373 D361 D231 D223 D313 D312 L3...

Страница 247: ... View CN271 CN272 TALK OFF UP LEFT BACK NEXT SP MUTE DOWN MENU 1 2 3 4 5 6 7 8 LED253 LED251 LED254 9 0 MIC HOLD PAUSE RIGHT LED252 PbF LED259 A LED256 LED258 LED257 R402 R401 LED255 PQUP11285Z KX FG2452CX Handset Board Flow Solder Side View ...

Страница 248: ...y be modified at any time with the development of new technology SHIELD IC901 C952 R909 C922 L902 L905 C983 C984 RA901 C960 R919 C937 R991 R930 C956 C961 C977 C976 C962 C963 C979 C964 R941 R942 R940 R931 R943 R933 C993 C942 C995 R932 C939 C918 L911 C940 C990 C991 C996 C998 D904 D903 L909 C997 C943 C910 C941 L990 C992 C944 R906 C946 C966 C965 C980 L901 L904 C911 L903 L913 C904 C917 C938 FL901 KX FG...

Страница 249: ...0 GNDPA GND GND 31 32 VCCPA VCC VCC 33 NC 34 LOUT0 A O 35 DCIN0 A I 36 LIN0 A I 37 VCCA VCC VCC 38 GNDA GND GND 39 HSMIP A I 40 HSMIN A I 41 VREF A O 42 NC 43 NC 44 GNDR GND 45 TXMOD A O 46 VREFR A O 47 RSSI A I 48 VCCR A I 49 GNDPLL GND 50 VCCPLL VCC 51 XOUT A O 52 XIN A I 53 GND GND 54 RSIN D I Normal Reset 55 PDN D I Power ON Power Down 56 NC 57 TXOUT D O High Low 58 MOD_EN D O High Low 59 NC 6...

Страница 250: ...ow 48 GND GND GND 49 VCC VCC VCC 50 DOT_LCD _RESET D O Normal Reset 51 FLASH_SCK D O High Low 52 NC D O Normal 53 LED_BL1 D O On Off 54 LED_BL2 D O On Off 55 LED_BL3 D O On Off 56 DOT_LCD_RS D O Data Instruct 57 DOT_LCD _RW_WR D O Read Write 58 DOT_LCD _E_RD D O Active Not 59 DOT_LCD _POWER_SW D O On Off 60 ANT_LED D O On Off 61 LIGHTED D O On Off 62 NC D O Normal 63 KEYSTROBE _E D O Not Active 64...

Страница 251: ...251 KX FG2452CX 20 3 Explanation of RF unit Terminals RF Unit 20 3 1 IC901 ...

Страница 252: ...252 KX FG2452CX 21 Exploded View and Replacement Parts List 21 1 Cabinet Mechanical and Electrical Parts Location 21 1 1 General Section ...

Страница 253: ...253 KX FG2452CX 21 1 2 Operation Panel Section ...

Страница 254: ...254 KX FG2452CX 21 1 3 Upper Cabinet Section ...

Страница 255: ...255 KX FG2452CX 21 1 4 Back Cover Section ...

Страница 256: ...256 KX FG2452CX ...

Страница 257: ...257 KX FG2452CX 21 1 5 Lower Cabinet Section ...

Страница 258: ...258 KX FG2452CX 21 1 6 Gear Block Section ...

Страница 259: ...259 KX FG2452CX ...

Страница 260: ...260 KX FG2452CX 21 1 7 Handset Section Note 1 Attach the spacer No 325 to the exact location described above 2 This cable is fixed by welding Refer to How to Replace the Handset LCD P 198 ...

Страница 261: ...261 KX FG2452CX 21 1 8 Screws ...

Страница 262: ...262 KX FG2452CX 21 1 9 Accessories and Packing Materials ...

Страница 263: ...ER 14 PFHR1573Z COVER SEPARATION HOLDER ABS HB 15 PFUS1712Z COIL SPRING SUS 16 PFHR1575Z SPACER DOC FEED SUPPORT POM HB 17 PFUS1713Z COIL SPRING DOC FEED SUS 18 PFJS10M35Z CONNECTOR 10 PIN Ref No Part No Part Name Description Remarks 40 L1CC00000063 PRINTER UNITS THERMAL HEAD 41 PFHR1569X GUIDE HOLDER LEFT POM HB 42 PFHR1570Z GUIDE HOLDER RIGHT POM HB 43 PFHX1350Z SPACER SHEET 44 PFJS11M16Z CONNEC...

Страница 264: ...M HB 192 PFDG1486Z GEAR POM HB 193 PFDG1480Z GEAR POM HB 194 PFDG1488Z GEAR POM HB 195 PFDG1487Z GEAR POM HB 196 PFDG1481Z GEAR POM HB Ref No Part No Part Name Description Remarks 197 PFUA1081Z CHASSIS ABS PBT V0 198 PFDG1489Z GEAR POM HB 199 PFDG1479Z GEAR POM HB Ref No Part No Part Name Description Remarks 301 PQGP10269Z8 PANEL LCD AS HB 302 PQHS10691Y TAPE DOUBLE SIDED LCD 303 PQKM10669S3 CABIN...

Страница 265: ...2KA213 COIL S L901 MQLPF18NJFB COIL L902 MQLPF10NJFB COIL L903 MQLRF3N3DFB COIL L904 MQLRF22NJFB COIL L905 MQLRF10NJFB COIL L909 MQLRF3N9DFB COIL L911 MQLRF2N7DFB COIL L913 MQLRF18NJFB COIL L990 G1C1R0KA0096 COIL COMPONENTS PARTS RA601 EXB28V101JX RESISTOR ARRAY RA801 D1H84724A013 RESISTOR ARRAY S RA901 D1H810240004 RESISTOR ARRAY S CRYSTAL OSCILLATORS X501 H0A327200147 CRYSTAL OSCILLATOR X502 H2C...

Страница 266: ...RJ2GEJ472X 4 7k R851 ERJ2GEJ472X 4 7k Ref No Part No Part Name Description Remarks R852 ERJ2GE0R00 0 R853 ERJ2GE0R00 0 R854 ERJ2GEJ101 100 R861 ERJ2GE0R00 0 R862 ERJ2GEJ222 2 2k R864 ERJ2GEJ102 1k R865 ERJ2GEJ562X 5 6k R906 ERJ2RKF103X 10k R909 ERJ2GEJ331 330 R919 ERJ2GEJ102 1k R930 ERJ2GEJ102 1k R931 ERJ2GEJ102 1k R932 ERJ2GEJ102 1k R933 ERJ2GEJ331 330 R940 ERJ2GEJ4R7 4 7 R941 ERJ2GEJ100 10 R942 ...

Страница 267: ... 1 C803 ECJ0EB1H471K 470P C804 F2G0J1010042 100 C805 ECUV1A105KBV 1 C807 ECUV1A105KBV 1 C808 EEE0GA331WP 330 C809 ECUV1A105KBV 1 Ref No Part No Part Name Description Remarks C810 ECJ0EB1A104K 0 1 C811 ECJ0EB1A104K 0 1 C812 ECJ0EB1A104K 0 1 C813 ECJ0EC1H020C 2P C814 ECJ0EC1H020C 2P C817 ECJ0EB1A104K 0 1 C818 ECJ0EB1A104K 0 1 C819 ECJ0EB1A104K 0 1 C820 ECJ0EC1H030C 3P C822 ECJ0EB1C103K 0 01 C824 ECJ...

Страница 268: ...Part No Part Name Description Remarks R134 ERJ3GEY0R00 0 R151 ERJ3GEYJ222 2 2k R163 ERJ3GEYJ473 47k R167 ERJ3GEYJ822 8 2k R168 ERJ3GEYJ682 6 8k R169 ERJ3GEYJ272 2 7k R181 ERJ3GEYJ752 7 5k R182 ERJ3GEYJ622 6 2k R191 ERJ3GEY0R00 0 R192 ERJ3GEYJ101 100 R193 ERJ6GEYJ8R2 8 2 S R194 PQ4R10XJ120 12 R195 PQ4R10XJ150 15 S R196 ERJ3GEYJ102 1k R197 ERJ6GEY0R00 0 S CAPACITORS C101 F0C2E1050005 1 C103 ECUV1H01...

Страница 269: ...3KBV 0 01 C331 ECUV1H103KBV 0 01 C341 ECUV1H101JCV 100P OTHERS E30 K0L1BA000126 SWITCH SENSOR LEVER E31 K0L1BA000127 SWITCH SENSOR LEVER E32 WLK26YR05AA LEAD WIRE Red E33 WLK26YW05AA LEAD WIRE White Ref No Part No Part Name Description Remarks PCB4 N0AC3GJ00012 POWER SUPPLY BOARD ASS Y RTL Ref No Part No Part Name Description Remarks ICs IC101 PFVIFA5518N IC S IC201 TL431CDBVR IC IC202 TA7804 IC T...

Страница 270: ...DIODE SI D408 B0BA7R900004 DIODE SI CONNECTORS CN401 K1KA08A00440 CONNECTOR 8 PIN CN402 PQJS11A10Z CONNECTOR 11 PIN S CN403 PQJS11A10Z CONNECTOR 11 PIN S CN404 K1KA11A00158 CONNECTOR 11 PIN CN405 K1KA05AA0193 CONNECTOR 5 PIN CN407 K1KA02A00587 CONNECTOR 2 PIN CN408 K1KA02AA0193 CONNECTOR 2 PIN CN409 K1KA02A00587 CONNECTOR 2 PIN COILS L407 J0JCC0000288 COIL L408 J0JCC0000288 COIL FUSES F401 K5H1222...

Страница 271: ...ATE E304 PQHX11292Z PLASTIC PARTS LCD SHEET E305 PQHR11078Z GUIDE LCD E306 PQMC10494Z MAGNETIC SHIELD FRAME E307 PQMC10493Z MAGNETIC SHIELD COVER RESISTORS R203 ERJ2GEJ104 100k R208 ERJ2GEJ100 10 R209 ERJ2GEJ104 100k Ref No Part No Part Name Description Remarks R222 ERJ2GEJ223 22k R223 ERJ2GEJ224 220k R225 ERJ2GEJ102 1k R226 ERJ2GEJ273X 27k R227 ERJ2GEJ224 220k R231 ERJ2GEJ223 22k R234 ERJ2GEJ103 ...

Страница 272: ...S C963 ECUE1H100DCQ 10P S C964 ECUE1H102KBQ 0 001 S C965 ECJ0EC1H221J 220P C976 F1G1A1040003 0 1 C977 ECUE1H102KBQ 0 001 S C979 ECUE1H102KBQ 0 001 S C980 ECUE1C103KBQ 0 01 S C983 ECUE1H102KBQ 0 001 S C984 ECUE1H101JCQ 100P S C990 ECUE1H102KBQ 0 001 S C991 ECJ0EC1H050C 5P C992 F1G1H121A444 120P C993 F1G1A1040003 0 1 C996 F1G1A1040003 0 1 C997 ECUE1H0R5CCQ 0 5 S C998 ECUE1H0R5CCQ 0 5 S OTHERS CN331 ...

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