Panasonic KX-FT71LA-B Service Manual Download Page 157 | Manualshive

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the transmission signal would return to the reception amplifier via
C30 and R31. Here, the signal output from CN1 pin (11) passes
through C30, C36 and R39 and enters the amplifier IC2 pin (5).
This is used to cancel the return portion of the transmission
signal. This is the side tone circuit.

5.9. ITS (Integrated telephone System) and MONITOR SECTION

5.9.1. GENERAL

During the monitor operation, the speaker output passes through the power amplifier (IC1)
[Analog board]. / The DTMF signal is output from the modem (IC1: digital board). The alarm
tone, the key tone, bell tone, and beep are output from gate array IC1 (digital board). During a
pulse dial operation, the monitor tone is output from gate array IC1.

5.9.2. MONITOR CIRCUIT

1. Function

This is the function when you are not holding the handset and can
hear the caller's voice from the line.

2. Circuit Operation

(Monitor Signal Path)
Signals received from the telephone line are output through at the
speaker via the following path.
Refer to

CHECK SHEET

()

5.9.3. HANDSET CIRCUIT

1. Transmission signal

Refer to 2.3.4.4. Analog Board Section

2. Reception Signal

Refer to

CHECK SHEET

()

5.9.4. MONITOR CIRCUIT

1. DTMF Monitor

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Summary of Contents for KX-FT71LA-B

Page 1: ...O KMF0111517C3 Personal FAX KX FT71LA B for Latin America 2001 Kyushu Matsushita Electric Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law 1 INTRODUCTION 1 1 LCD MESSAGE 1 ...

Page 2: ...he condition of the power cord Replace if wear or damage is evident 4 After servicing be sure to restore the lead dress insulation barriers insulation papers shields etc 5 Before returning the serviced equipment to the customer be sure to perform the following insulation resistance test to prevent the customer from being exposed to shock hazards 1 3 INSULATION RESISTANCE TEST 2 ...

Page 3: ...ad infinity 4 If the measurement is outside the specified limits there is a possibility of a shock hazard The equipment should be repaired and rechecked before it is returned to the customer 1 4 FOR SERVICE TECHNICIANS ICs and LSIs are vulnerable to static electricity When repairing the following precautions will help prevent recurring malfunctions 1 Cover the plastic part s boxes with aluminum fo...

Page 4: ...s as long as it is separated to prevent short circuits and packed in strong packaging Commercial firms that dispose of any quantity of lithium cells should have a mechanism in place to account for their ultimate disposition This is a good practice for all types of commercial or industrial waste Recommend Type Number PFSU1004Z BAT501 Manufactured by TOSHIBA CR2032 BAT501 Manufactured by MATSUSHITA ...

Page 5: ...etc become caught in any moving sections of the unit The moving sections of the unit are the rollers and a gear There is a separation roller and a document feed roller which are rotated by the document feed motor A gear rotates the two rollers Be careful not to touch them with your hands especially when the unit is operating 5 ...

Page 6: ... 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 Bottom view 6 ...

Page 7: ... to LCD MESSAGE DIRECTORY RECEIVE MODE Facsimile Space Saving Compact Design Resolution Standard Fine Photo Super Fine Copier Function Automatic Document Feeder 10 Sheets Help Printout Easy to view LCD 15 Characters Integrated Telephone System Electric Volume Control On hook dialing Redialing function Temporary tone dialing Electric Telephone directory 7 ...

Page 8: ...ansmission Time Approx 15 s page Original mode Approx 30 s page G3 Normal mode Scanning Density Horizontal 8 pels mm 203 pels inch Vertical 3 85 lines mm 98 lines inch STANDARD 7 7 lines mm 196 lines inch FINE PHOTO 15 4 lines mm 392 lines inch SUPER FINE Halftone Level 64 level Scanner Type Contact Image Sensor CIS Printer Type Thermal Printing Data Compression System Modified Huffman MH Modified...

Page 9: ...ends upon the contents of the pages resolution telephone line conditions and capability of the other party s machine Transmission speed is based upon the ITU T No 1 Test Chart and original mode Refer to TEST CHART If the capability of the other party s machine is inferior to your unit the transmission time may be longer Note Any details given in these instructions are subject to change without not...

Page 10: ...1 11 2 CCIT NO 2 TEST CHART 10 ...

Page 11: ...1 12 LOCATION OF CONTROLS 1 12 1 OVERVIEW 11 ...

Page 12: ...mode STOP To stop an operation or cancel programming TONE To change from pulse to tone temporarily during dialing when your line has rotary pulse services FLASH To access special telephone services such as call waiting or for transferring extension calls 12 ...

Page 13: ...conversation MONITOR To dial without lifting the handset MENU To initiate or exit programming NAVIGATOR VOLUME To adjust volume To search for a stored name To select the features or feature settings during programming To navigate to the next operation HELP To print a quick reference FAX START SET To initiate fax transmission or reception To store a setting during programming COPY To initiate copyi...

Page 14: ...uct and easily accessible 1 14 INSTALLATION 1 14 1 INSTALLING THE RECORDING PAPER 1 Open the cover by pressing the cover open button and install the recording paper roll If the paper is secured with glue or tape cut approximately 15 cm 6 inches from the beginning of the roll 14 ...

Page 15: ...e of the paper approximately 10 cm 4 inches out of the unit Make sure that there is no slack in the paper roll 3 Close the cover securely by pushing down on both sides 4 Tear off the excess paper by pulling it towards you 15 ...

Page 16: ... see OPTIONAL ACCESSORY When the power cord is connected every time you close the cover a message will be printed if the recording paper is set to the wrong side a message will not be printed Install the paper correctly 1 14 2 SETTING YOUR LOGO The logo can be your company division or name 1 Press Display Refer to LCD MESSAGE 2 Press 3 Press or until the following is displayed 16 ...

Page 17: ...go up to 30 characters by using the dial keypad Example Bill A Press 2 times B Press 6 times C Press 6 times D Press to move the cursor to the next space and press 6 times 6 Press The next feature will be displayed 7 Press 17 ...

Page 18: ...ke the correction To insert a character 1 Press or to move the cursor to the position to where you want to insert the character 2 Press to insert a space and enter the character To delete a character Move the cursor to the character you want to delete and press 1 14 3 TO SELECT CHARACTERS WITH THE DIAL KEYPAD Pressing the dial keys will select a character as shown below 18 ...

Page 19: ...pressing the dial keys you can select characters using or 1 Press or until the desired character is displayed 2 Press to move the cursor to the next space The character displayed in step 1 is inserted 3 Return to step 1 to enter the next character 19 ...

Page 20: ...er of characters 1 14 5 SETTING THE DIAL LOCK The dial lock feature prevents the unit from calls being made to any numbers except for pre stored emergency telephone numbers 1 Press Display Refer to LCD MESSAGE 20 ...

Page 21: ...er an emergency telephone number up to 30 digits using the dial keypad 6 Press The next feature will be displayed 7 If necessary enter the second emergency telephone number using the dial keypad If you do not need to enter skip to step 8 8 Press 9 If necessary enter the third emergency telephone number using the dial keypad If you do not need to enter skip to step 10 10 Press 21 ...

Page 22: ...22 ...

Page 23: ...ax transmission To insert a character 1 Follow steps 1 3 on the left 2 Press 1 14 6 DOCUMENTS YOU CAN SEND Note Remove clips staples or other similar fasteners Check that ink paste or correction fluid has dried Do not send the following types of documents Use copies for fax transmission Chemically treated paper such as carbon or carbonless duplicating paper Electrostatically charged paper Badly cu...

Page 24: ...form copying self testing or communication testing 3 Check equipment 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 equipment problem by troubleshooting 5 Equipment repairs Repair or replace the defective parts and take appropriate measures at this stage to ...

Page 25: ...ith a cloth moistened with denatured alcohol alcohol without water then dry thoroughly See CLEANING DISASSEMBLY INSTRUCTIONS 4 Glass If the glass is dirty clean the with a dry soft cloth See CLEANING 5 Sensors Document sensor PS1 Read position sensor PS2 Recording paper cover open sensor SW1 Jam sensor SW3 See SENSOR SECTION and SENSORS AND SWITCHES 6 Abnormal wear and tear or loose parts If the g...

Page 26: ...EMOVE THE BLOCK AND SEPARATION ROLLER 4 Thermal Head Ref No 53 3 months 7 years 100 000 documents See HOW TO REMOVE THE BLOCK AND SEPARATION ROLLER 1 15 3 CLEANING 1 15 3 1 DOCUMENT FEEDER If misfeeding occurs frequently or if dirty patterns or black bands or white bands appear on a copied or transmitted document or the original of a copied document clean the document feeder 1 Disconnect the power...

Page 27: ...e cord Caution Do not use paper products such as paper towels or tissues to clean the inside of the unit 1 15 3 2 THE THERMAL HEAD If dirty patterns or black bands appear on a copied or received document clean the thermal head 1 Disconnect the power cord and the telephone line cord 2 Open the cover by pressing the cover open button 3 Clean the thermal head with a cloth moistened with isopropyl rub...

Page 28: ... do not touch the thermal head directly 2 TROUBLESHOOTING GUIDE 2 1 TROUBLESHOOTING SUMMARY 2 1 1 TROUBLESHOOTING After confirming the problem by asking the user troubleshoot according to the instructions and observe the following precautions 2 1 2 PRECAUTIONS 1 If there is a problem with the print quality or the paper feed first check if the installation space and the print paper meets the 28 ...

Page 29: ...he operation exercise utmost care when handling electric parts in order to avoid electric shocks and short circuits 4 After troubleshooting double check that you have not forgotten any connectors left any loose screws etc 5 Always test to verify that the unit is working normally 2 1 3 WHEN YOU DON T KNOW HOW TO OPERATE THE UNIT USE THE HELP FUNCTION How to use 1 press 2 press or until the desired ...

Page 30: ...r part y fax machine is busy or has run out of recording paper Try again The unit has run out of recording paper Install a recording paper roll Refer to INSTALLING THE RECORDING PAPER The other part y fax machine dose not provide the polling function Check with the other party The other part y fax machine is busy or has run out of recording paper Try again The document is jammed Remove the jammed ...

Page 31: ...3 Pull the leading edge of the recording paper approximately 10 cm 4 inches out of the unit Make sure that there is no slack in the paper roll 31 ...

Page 32: ...4 Close the cover securely by pushing down on both sides 32 ...

Page 33: ...5 Tear off the excess paper by pulling it towards you 33 ...

Page 34: ...cover 2 2 2 RECORDING PAPER JAM If the unit dose not eject any recording paper during fax reception or copying the recording paper has jammed Remove the jammed paper as shown below 1 Open the cover by pressing the cover open button and remove the recording paper roll 34 ...

Page 35: ...per roll in the proper direction and pull the leading edge of the paper approximately 10 cm 4 inches out of the unit Make sure that there is no slack in the paper roll 3 Close the cover securely by pushing down on both sides 35 ...

Page 36: ...4 Tear off the excess paper by pulling it towards you Note When the power cord is connected every time you close the cover a message will be printed If the recording paper is set to the 36 ...

Page 37: ...leshooting method Even difficult faults can be tracked to a specific block or area for example the Digital Board or Image Sensor A variety of fault descriptions from customers often point to the same area and for this reason careful analysis of the reported symptoms is required After every repair test all functions to ensure no problems are evident 2 3 2 STARTING TROUBLESHOOTING Select the appropr...

Page 38: ...l mechanical sound Abnomal sound from the product See WHEN COPYING OR PRINTING AN ABNORMAL SOUND IS HEARD FROM Power supply Voltage output is abnormal See POWER SUPPLY BOARD SECTION Operation panel keys are not accepted See OPERATION BOARD SECTION Sensor If the electric circuit is the cause REMOVE DOCUMENT will be displayed See SENSOR SECTION Communication FAX TEL Analog Digital board Cannot commu...

Page 39: ...ce code 561 Refer to TEST FUNCTIONS LCD check OK NG Service code 558 Refer to TEST FUNCTIONS Sensor Sensor check OK NG Service code 815 Refer to TEST FUNCTIONS Clock OK NG Is the time kept correctly Check with another clock External Telephone Handset transceiver receiver OK NG Remote control OK NG Change to FAX receiving by pressing 9 Refer to code no 041 on PROGRAM MODE TABLE Note Check according...

Page 40: ...CROSS REFERENCE DIGITAL BOARD SECTION POWER SUPPLY BOARD SECTION SENSOR SECTION TEST FUNCTIONS DISASSEMBLY INSTRUCTIONS 2 3 4 2 DOCUMENT JAM 40 ...

Page 41: ...CROSS REFERENCE SENSOR SECTION DISASSEMBLY INSTRUCTIONS 2 3 4 3 MULTIPLE FEED 41 ...

Page 42: ...CROSS REFERENCE DISASSEMBLY INSTRUCTIONS 2 3 4 4 SKEW 42 ...

Page 43: ...CROSS REFERENCE DISASSEMBLY INSTRUCTIONS 2 3 4 5 IMAGE IS DISTORTED WHEN PRINTING 43 ...

Page 44: ...CROSS REFERENCE READ SECTION THERMAL HEAD SECTION TEST FUNCTIONS DISASSEMBLY INSTRUCTIONS 2 3 4 6 BLACK OR WHITE VERTICAL LINES APPEAR 44 ...

Page 45: ...CROSS REFERENCE DIGITAL BOARD SECTION TEST FUNCTIONS 2 3 4 7 SKEWED RECEIVING IMAGE 45 ...

Page 46: ...2 3 4 8 EXPANDER PRINT WHEN PRINTING CROSS REFERENCE DISASSEMBLY INSTRUCTIONS 2 3 4 9 WHEN COPYING OR PRINTING AN ABNORMAL SOUND IS HEARD FROM THE UNIT 46 ...

Page 47: ...CROSS REFERENCE DISASSEMBLY INSTRUCTIONS 47 ...

Page 48: ...successfully one time and fails another Copying is possible Troubleshooting Problem with the service line or with the transmitter s fax 4 The fax completely fails to transmit or receive The unit can copy documents Troubleshooting Problem with the electric circuit 5 The fax fails either to transmit or receive when making a long distance or an international call The unit can copy documents Detailed ...

Page 49: ...CROSS REFERENCE LCD MESSAGE ADF AUTO DOCUMENT FEED SECTION OPERATION BOARD SECTION SENSOR SECTION 2 3 5 1 2 SOMETIMES THERE IS A TRANSMIT PROBLEM 49 ...

Page 50: ... following before starting troubleshooting Is the recording paper installed properly There is the receiving problem when sometimes the below errors may be occurred Refer to LCD MESSAGE OUT OF PAPER CHECK COVER UNIT OVERHEATER If it doesn t return automatically COVER 50 ...

Page 51: ...reset the unit CHECK DOCUMENT Please refer to USER RECOVERABLE ERRORS for the above items Also when a hardware deformity occurs please check each sensor 2 3 5 1 4 THE UNIT CAN COPY BUT CANNOT TRANSMIT RECEIVE 51 ...

Page 52: ...ther party is executing automatic dialling the call has been received by this unit and the CED or DIS signal response time is too long In most cases this unit detects the CNG signal and can respond to the CED or DIS According to the ITU T standard the communication procedure is stopped when there is no response from the other party within 35 sec so that the 52 ...

Page 53: ... about 10 sec Cause 2 Erroneous detection due to an echo or echo canceler Echo Echo Canceler The signal from FAX1 reaches FAX2 via the stations 1 and 2 but the reflection signal at station 2 also returns via station 1 echo As the distance between station 1 and station 2 is far the echo returns to FAX 1 a max of 600 msec after transmission There is a possibility that this signal is detected erroneo...

Page 54: ...t least 250 msec to recover the echo canceler operation Refer to Fig c Service code Time between and 300 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 Overseas detection 3 Sending side Communication failure occurs in a long distance communication on the telephone line without an echo ca...

Page 55: ...Fig b Countermeasure by Changing the CED Frequency Fig c Countermeasure by Changing the Interval Between CED and DIS Fig d C3ountemeasure by Ignoring the 1st DIS 55 ...

Page 56: ...ORRECT Long distance or international communication operation This symptom highly depends on the transmission and reception capability of the other FAX unit and the line conditions The countermeasures for this unit are shown below Transmission Operation Set the transmitting speed to 4800BPS service mode code No 717 or select the overseas mode Reception Operation If 80 or more of the reception is i...

Page 57: ...olve communication problems The way of recording easily by using PC is shown as follows 1 Equipment 1 jig 1 PC with LINE IN 1 audio cord mini jack supported 2 tel cords Parts No Parts Name Description Qt y PQJJ1T004Z JACK1 JACK2 2 PQJJ1D010ZPIN JACK 1 ECQE2155KF or ECQE2E155KC CAPACITOR 2 MA4020 DIODE 2 2 Setting up FAX SIGNAL RECORDING JIG 57 ...

Page 58: ...at 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 because the data size will be so heavy Any software which can create WAV files is available 2 3 5 1 8 HOW TO OUTPUT THE JOURNAL REPORT 1 Press three times 2 Press 3 Press or u...

Page 59: ...Error code table 59 ...

Page 60: ... training signal 43 COMMUNICATION ERROR SND No response after post message is transmitted three times 44 COMMUNICATION ERROR SND RTN and PIN are received 46 COMMUNICATION ERROR SND No response after FTT is transmitted 48 COMMUNICATION ERROR SND No post message 49 COMMUNICATION ERROR SND RTN is transmitted 50 COMMUNICATION ERROR SND PIN is transmitted to PRI Q 51 COMMUNICATION ERROR SND PIN is tran...

Page 61: ...ved after CFR transmission 72 COMMUNICATION ERROR RCV The carrier is cut when the image signal is received FF COMMUNICATION ERROR SND RCV Modem error SND TRANSMISSION RCV RECEPTION Most fax communication problems can be resolved by the following steps 1 Change the transmit level Service code 596 refer to SERVICE FUNCTION TABLE 2 Change the TX speed RX speed Service code 717 718 refer to SERVICE FU...

Page 62: ...62 ...

Page 63: ...CROSS REFERENCE TEST FUNCTIONS 63 ...

Page 64: ...CROSS REFERENCE TEST FUNCTIONS 64 ...

Page 65: ...CROSS REFERENCE TEST FUNCTIONS 65 ...

Page 66: ...CROSS REFERENCE TEST FUNCTIONS 66 ...

Page 67: ...67 ...

Page 68: ...68 ...

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Page 70: ...rected by making parameter changes this function makes it possible to change parameters such as the user code and service code from another fax using DTMF tones Therefore travel to the customer s location is not required However it is not possible to change all the parameters remotely Refer to PROGRAM MODE TABLE The function used to accomplish this is remote programming 70 ...

Page 71: ...ain a new list to confirm that only the desired parameters were changed Hint Since the connected telephone is in use during the remote programming mode it may be helpful to ask the customer to switch to the speakerphone except for a digital speakerphone This frees the customer from the need to remain right next to the fax while you are making parameter settings When finished inform the customer Al...

Page 72: ...swith ENGLISH SPANISH SPANISH 049 Auto disconnect ON OFF ON ID 0 058 Original setting 1 NORMAL 2 LIGHT 3 DARKER NORMAL 070 FAX pager ON OFF OFF 076 Connecting tone 1 ON 2 OFF ON 080 Set the default YES NO NO 501 Pause time set 001 600 X 100 msec 050 502 Flash time set 01 99 X 10 msec 70 503 Dial speed set 1 10pps 2 20 pps 10 520 CED frequency select 1 2100Hz 2 1100Hz 2100 521 International mode se...

Page 73: ... 2 7200 3 4800 4 2400bps 9600bps 718 Receive speed select 1 9600 2 7200 3 4800 4 2400bps 9600bps 719 Ringer off in TEL FAX mode 1 ON 2 OFF ON 721 Pause tone detect 1 ON 2 OFF ON 722 Redial tone detect 1 ON 2 OFF ON 763 Friendly reception CNG detection select 1 10S 2 20S 3 30S 20S 771 T1 timer 1 35 sec 2 60 sec 35 sec 774 T4 timer 00 99 X 100ms 00 815 Sensor check Press START 844 Original setting 1...

Page 74: ...e you can easily determine the problem site or IC malfunction by checking the main signal lines Even if you don t have such a measuring instrument by checking each main signal line and resoldering it in many cases the problem will be resolved An explanation of the main signals for booting up the unit is below What are the main signals for booting up the unit Please refer to the DIGITAL BLOCK DIAGR...

Page 75: ...Normal Wave Patterns 75 ...

Page 76: ...ASIC cannot access the SRAM normally The digital circuit actually operates according to the timing combinations of these signals So if the timing of these signals is even slightly off the circuit will not operate normally Even of the IC did malfunction the output voltage level may become abnormal but the timing is accurate according to the specifications If oscillation is provided accurately Accor...

Page 77: ...gram In other words is it constantly switching between 5V or 3 3V H and 0V L as described earlier I O and Pin No Diagram After the power is turned on the ASIC CPU initializes and checks each IC The ROM and SRAM are checked If initialization fails for the ICs the system will not boot up 77 ...

Page 78: ...CROSS REFERENCE NG EXAMPLE CHECK THE STATUS OF THE DIGITAL BOARD 78 ...

Page 79: ...CROSS REFERENCE CHECK THE STATUS OF THE DIGITAL BOARD 2 3 6 2 NG EXAMPLE 79 ...

Page 80: ...2 3 6 3 CHECK THE STATUS OF THE DIGITAL BOARD Put the unit in the test mode and check the voltage at lands A B C and D 80 ...

Page 81: ...route begins from the handset microphone and is output in the telephone line In this route it is mainly an analog signal Tracing the signal can be done easily using an oscilloscope Each route is shown on the CHECK SHEET here If there is a problem with the unit for example you cannot communicate with the H S etc trace the signal in the area and determine the cause 2 3 7 1 CHECK SHEET 81 ...

Page 82: ...troubleshooting Check the following parts first F101 D101 D104 C106 Q101 PC101 and IC101 This comes from our experience with experimental tests For example power supply and lightning surge voltage test with standing voltage test intentional short circuit test etc Caution If you find a melted fuse in the unit do not turn on the power until 82 ...

Page 83: ...se the fuse will melt again and you cannot pinpoint the faulty point In most cases the symptom is that nothing is output It is more likely that the fault is in the primary side rather than the secondary side Check the primary side first 2 Troubleshooting Flow Chart 83 ...

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Page 87: ...replace all of the parts D101 D102 D103 D104 F101 Q101 The worst case of Q101 is a short circuit between the Drain and Gate because damage expands to the peripheral circuit of Q101 This is due to a very high voltage through the Gate circuit which is composed of R107 R109 D106 and IC101 You should change all of the parts listed as follows F101 Q101 R105 Q102 D107 D201 87 ...

Page 88: ...ith an electric tester D204 If D204 shorts the voltage feedback circuit is almost always the cause Replace the following parts if this happens PC101 Q102 D203 D106 D105 D107 2 3 9 OPERATION BOARD SECTION 2 3 9 1 NO KEY OPERATION CROSS REFERENCE TEST FUNCTIONS 2 3 9 2 NO LCD INDICATION 88 ...

Page 89: ...CTIONS 2 3 10 SENSOR SECTION Refer to SENSORS AND SWITCHES for the circuit descriptions Refer to LCD MESSAGE 2 3 10 1 CHECK THE DOCUMENT SENSOR PS1 REMOVE DOCUMENT 2 3 10 2 CHECK THE READ POSITION SENSOR PS2 CHECK DOCUMENT 89 ...

Page 90: ...2 3 11 READ SECTION Refer to SCANNING BLOCK 2 3 12 THERMAL HEAD SECTION Refer to THERMAL HEAD 90 ...

Page 91: ...er broken down into the normal and special programs 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 Service Modes there are Set Functions and Test Functions The Set Functions are used to program various features and functions and the Test Functions are...

Page 92: ...2 4 3 USER MODE The list below is an example of the SYSTEM SETUP LIST the unit prints out 92 ...

Page 93: ...Note The above values are the default values 2 4 4 SERVICE FUNCTION TABLE 93 ...

Page 94: ... transmit receive long distance international communications DEFECTIVE FACSIMILE SECTION 522 Auto standby select 1 ON 2 OFF 1 2 1 Set the resolution and contrast conditions for FAX or copy default settings 523 Receive equalizer select 1 ON 2 OFF 1 2 2 When the telephone station from the unit or reception be performed correctly adjust accordingly 524 SND EQL 1 ON 2 OFF 1 2 2 When the telephone stat...

Page 95: ...ing of number of rings for REMOTE TURN ON 01 99 01 99 10 times Sets the number of rings before the unit starts to receive a document in the TEL mode 590 Setting the number of FAX redial times 00 99 00 99 05 times Selects the number of redial during FAX communication including the first dial 591 Setting the FAX redial interval 001 999 sec 001 999 065 sec Sets the FAX redial interval FAX communicati...

Page 96: ...t transmit receive long distance international communications DEFECTIVE FACSIMILE SECTION 717 Transmit speed select 1 9600BPS 2 7200BPS 3 4800BPS 4 2400BPS 1 4 1 Adjusts the speed to start during FAX transmission 718 Receive speed select 1 9600BPS 2 7200BPS 3 4800BPS 4 2400BPS 1 4 1 Adjusts the speed to start during FAX reception 719 Ringer off in TEL FAX mode 1 ON 2 OFF 1 2 1 Sets the ringer swit...

Page 97: ...3 DARKER 1 3 1 Use this feature when you transmit and copy a document with very faint writing or very writing NORMAL Used for normal LIGHT Used for faint writing DARKER Used for dark writing This feature will return to the normal mode after transmission copying 2 4 5 SERVICE MODE SETTINGS Example of a printed out list 2 4 6 OTHER 97 ...

Page 98: ...ng the additional detailed information about the latest 35 communications can be printed by Service Code 882 Remote printing function for the journal reports JOURNAL and JOURNAL 3 is also available for service technicians Refer to REMOTE PROGRAMMING The JOURNAL report only gives you basic information about a communication but the JOURNAL 3 report provide different information on the same item comm...

Page 99: ...t received a fax message by manual operation 3 FRN RCV Means the unit received a fax message by friendly signal detection 4 RMT DTMF Means the unit detected DTMF Remote Fax activation code entered remotely 5 PAL DTMF Means the unit detected DTMF Remote Fax activation code entered by a parallel connected telephone 6 TURN ON Means the unit started to receive after 15 rings Remote Turn On Service Cod...

Page 100: ... reception motors to the operation of the motors 0 Stop 1 Turn forward TX roller at 400pps 2 2 phase 2 Turn forward TX roller at 400pps 1 2 phase 3 Turn forward RX roller at 400pps 2 2 phase 4 Turn forward RX roller at 400pps 1 2 phase 5 Turn forward TX RX roller at 400pps 1 2 phase 6 Reverse the motor at 400pps 1 2 phase 7 Set the cam gear to the home position 8 Set the cam gear to the RX mode 9 ...

Page 101: ...ssed Refer to BUTTON CODE TABLE START any key FACTORY SET Service Mode 5 5 0 Clears the memory where the users can store data START SENSOR CHECK VOX CHECK Service Mode 8 1 5 CHECKS THE SENSOR OPERATION After entering this mode perform the copy operation For each sensor s operation refer to SENSORS AND SWITCHES Do Sn Pa LCD DISPLAY Do Document set sensor Paper inserted Turns on when a document is i...

Page 102: ...e setting off Otherwise dialing in DTMF signal will not work 2 5 2 BUTTON CODE TABLE Code Button Name Code Button Name Code Button Name 02 RESOLUTION 31 1 87 STATION 1 03 MODE RECEIVE 32 2 88 STATION 2 04 START COPY SET 33 3 89 STATION 3 05 MEMU 34 4 3A 0 07 HELP 35 5 3B 08 MONITOR 36 6 3C 0B LOWER 37 7 3D REDIAL PAUSE 0C DIRECTORY 38 8 3E FLASH 0D VOLUME 39 9 00 NO INPUT 0E VOLUME 38 01 STOP Note...

Page 103: ...3 DISASSEMBLY INSTRUCTIONS 3 1 HOW TO REMOVE THE HANDSET CRADLE CABINET HOOK BUTTON AND SPEAKER 103 ...

Page 104: ...3 2 HOW TO REMOVE THE OPERATION BLOCK 104 ...

Page 105: ...3 3 HOW TO REMOVE THE OPERATION BOARD AND LCD 105 ...

Page 106: ...3 4 HOW TO REMOVE THE BOTTOM FRAME AND ANALOG BOARD 106 ...

Page 107: ...3 5 HOW TO REMOVE THE DIGITAL POWER SUPPLY BOARD AND AC INLET 107 ...

Page 108: ...3 6 HOW TO REMOVE THE MOTOR BLOCK AND SEPARATION ROLLER 108 ...

Page 109: ...3 7 HOW TO REMOVE THE MOTOR AND GEARS OF MOTOR BLOCK 109 ...

Page 110: ...3 8 HOW TO REMOVE THE IMAGE SENSOR CIS 110 ...

Page 111: ...3 9 HOW TO REMOVE THE DOCUMENT FEED ROLLER 111 ...

Page 112: ...3 10 HOW TO REMOVE THE THERMAL HEAD 112 ...

Page 113: ...3 11 INSTALLATION POSITION OF THE LEAD WIRES 113 ...

Page 114: ...e SPOT HEATER to remove the SPOT HEATER S Flat IC if you have solder large amount a soldering iron and a cutter knife you can easily remove the ICs even if there are more than 100 pins 4 1 PREPARATION SOLDER Sparkle Solder 115A 1 115B 1 OR Almit Solder KR 19 KR 19RMA Soldering iron 114 ...

Page 115: ...PACKAGE IC REMOVAL PROCEDURE 1 When all of the IC lead cannot been seen at the standard degree fill with large quantities of solder Note If you do not fill with solder and directly cut the IC lead with the cutter stress may build up directly in the P C board s pattern If you do not fill with large quantities of solder as in step 1 the P C board pattern may be removed 2 Using a cutter cut the lead ...

Page 116: ...ter removing the Flat IC and when attaching a new IC remove any of the excess solder on the land using the soldering wire etc If the excess solder is not removed from the land the IC will slip and not be attached properly 4 3 FLAT PACKAGE IC INSTALLATION PROCEDURE 116 ...

Page 117: ...4 4 BRIDGE MODIFICATION PROCEDURE 5 CIRCUIT OPERATIONS 5 1 CONNECTION DIAGRAM 117 ...

Page 118: ... the block diagram 1 ASIC IC1 Composed mainly of an address decoder modem control section CPU and RTC Controls the general FAX operations Controls the operation panel I F Controls the thermal head I F and CIS I F Executes image processing Monitors the H S volume I O ports 118 ...

Page 119: ... Provides a reset pulse to each of the major ICs 9 Analog board Composed of an ITS circuit and NCU circuit 10 Sensor Section Composed of a document sensor recording paper sensor motor position sensors read position sensor 11 Power supply switching board section Supplies 5V and 24V to the unit 12 CODEC IC5 A D and D A converter 5 2 1 General Block Diagram 5 3 CONTROL SECTION 5 3 1 BLOCK DIAGRAM 5 3...

Page 120: ...DATA RAM This is inside the ASIC and has 8KB which is used for image processing 8 THERMAL HEAD I F Transmits the recorded data to the thermal head 9 MOTOR I F Controls the motor which feeds the document and feeds the reading document 10 OPERATION PANEL I F Serial interface with Operation Panel 11 I O PORT I O Port Interface for analog board port control 12 ANALOG UNIT Electronic volume for the han...

Page 121: ...3V XORESET Reset output 17 XRESETI 3 3V YES XRESETI Voltage detector IC output for reset 18 XWDERR 3 3V YES XWDERR Watch dog timer error 19 XRSTSWO OP82 3 3V YES OPEN O Not used 20 VIDRST IOP20 3 3V YES OPEN O Not used 21 SPHCLK IOP21 3 3V YES OPEN O Not used 22 DARKON IOP22 3 3V YES OPEN O Not used 23 ADSEL2 IOP23 3 3V YES OPEN O Not used 24 BELL OP 3 3V YES OPEN O Not used 25 3 3V 3 3V Power sup...

Page 122: ...38 VSS DG Ground 122 ...

Page 123: ...on 58 TONE1 3 3V TONE1 Not used 59 TONE2 3 3V TONE2 Tone2 bell alarm key tone 60 VSS DG Ground 61 3 3V 3 3V Power supply 62 EVOLIN 3 3V EVOL IN Electronic volume handset monitor 63 EVOLOUT 3 3V EVOL OUT Electronic volume handset monitor 64 EVOLREF 3 3V EVOL REF Electronic volume handset monitor 65 VSS DG Ground 66 IOP57 3 3V YES EX HOOK O Not used 67 XMDMINT 3 3V YES XINTMDM Modem interrupt 68 XIN...

Page 124: ...3 3V Power supply 98 TEST4 3 3V NO 3 3V Test pin fixed High 99 XHSTWR IOP41 3 3V YES RLY O Tel line relay control 100 XOPRBE MUX OP53 3 3V SP MUTE Speaker mute control 101 XRAS IOP42 3 3V NO OPEN O Not used 102 XCAS1 IOP43 3 3V NO OPEN O Not used 103 XCAS2 IOP44 3 3V NO OPEN O Not used 104 DB3 3 3V YES D3 Data bus 105 DB2 3 3V YES 2 Data bus 106 DB4 3 3V YES 4 Data bus 107 DB1 3 3V YES 1 Data bus ...

Page 125: ... 3V YES OPEN O Not used 145 ADR13 3 3V OPEN Not used 146 ADR14 3 3V OPEN Not used 147 3 3V 3 3V Power supply 148 ADR15 3 3V OPEN Not used 149 RM0 IOP00 3 3V YES T5 O Motor control 150 RM1 IOP01 3 3V YES T4 O Motor control 151 RM2 IOP02 3 3V YES T3 O Motor control 152 RM3 IOP03 3 3V YES T2 O Motor control 153 RXE IP04 3 3V YES T0 O Motor control 154 TM0 IOP10 3 3V YES LEDON O CIS LED control 155 TM...

Page 126: ...nsor control 183 KEYIN4 3 3V YES OPEN O Not used 184 KEYIN5 3 3V YES OPEN O Not used 185 OPLED 3 3V YES OPESEL OD Operation panel control 186 VSS DG GND 187 3 3V 3 3V OD Power supply 188 KSTART 3 3V YES KSTART OD LCD control 189 KLATCH 3 3V YES KLATCH OD Key scan LCD control 190 KSCLK 3 3V YES KSCLK OD Key scan LCD control 191 KTXD 3 3V YES KTXD I Key scan LCD control 192 KRXD 3 3V YES KRXD O Docu...

Page 127: ...s 32 KB RAM has 8 KB of common area and bank area BK0 BK1 The capacity of each bank is 12 KB The addresses of the common area are from D000H to EFFFH and addresses A000H to CFFFH are for the bank area 5 3 5 RESET CIRCUIT The output from pin 1 of the Reset IC IC4 resets the gate array IC1 During a power surge a positive reset pulse of 175 msec or more is generated and the system is reset completely...

Page 128: ...1 becomes low The terminal of the signal is connected to the reset line so the signal works as the reset signal 5 3 6 SRAM and RTC BACK UP CIRCUIT 1 Function This unit has a lithium battery BAT1 which works for the RAM IC3 and Real Time Clock RTC Integrated into ASIC IC1 The user parameter for auto dial numbers the transmission ID the 128 ...

Page 129: ...d pin 3 of RTC IC1 is 3 3V When the power is turned OFF the battery supplies the power to RAM and RTC through J1 R14 D1 or D7 At that time the voltage at pin 28 of RAM and pin 3 of IC1 are about 2 5V When the power is OFF and the 5V and 3 3V voltages decrease IC4 detects them and LOW is input to pin 17 of IC1 Pin 16 of IC1 outputs the reset signals Pin 28 of RAM IC3 and pin 3 of RTC IC1 become low...

Page 130: ...5 3 7 SUPERVISION CIRCUIT FOR THE THERMAL HEAD TEMPERATURE 1 Function The thermistor changes the resistor according to the temperature and uses the thermistor s characteristics The output of pin 193 130 ...

Page 131: ... converter inside IC1 The CPU decides the strobe width of the thermal head according to this value Therefore this circuit can keep the thermal head at an even temperature in order to stabilize the printing density and prevent the head from being overheated 5 3 8 LED ARRAY CIS The LED ARRAY will light during transmission and copying as a light source to recognize document characters patterns or gra...

Page 132: ...s read by CIS is input to IC1 via route 1 After it is adjusted to a suitable level for A D conversion via route 2 the draft s information is converted to A D 8 bit and it is input to the Image Processing Section The other side the shading data which flows from RAM via routes 6 and 7 is input to the Image Processing Section After finishing the draft s information image processing white is regarded ...

Page 133: ...odem along route 12 and 14 In the analog front end IC IC5 it is converted to serial analog data and forwarded over telephone lines via the NCU Section Reception 1 The serial analog image data is received over telephone lines and input to the analog front end IC IC5 via the NCU section where it is demodulated to parallel digital data The balance data is sent to the modem Then the CPU stores the dat...

Page 134: ...chnology The recording paper roll paper is chemically processed When the thermal head contacts this paper it emits heat momentarily and black dots appearing like points are printed on the paper If this continues letters and or diagrams appear and the original document is reproduced 134 ...

Page 135: ...he shift registers are latched to the latch registers Thereafter through the addition of strobes from the IC1 pins 159 160 only black dot locations 1 among latched data activates the driver and the current passes to heat the emitting body causing heat emission Here the three line strobes STB1 to STB2 impress at intervals of 9 216 msec as required for one line printout The sequence is shown on the ...

Page 136: ...y an LED array and photoelectric conversion elements When an original is inserted and the start button pressed pin 154 of IC1 goes to a high level and the transistor inside IC7 turns on This applies voltage to the LED array to light it The contact image sensor is driven by each of the FTG F1 signals output from IC1 and the original image 136 ...

Page 137: ...nchronized for reading or printing 2 Circuit Operation During motor drive gate array IC1 pin 153 becomes a high level and Q14 and Q7 go ON as a result 24 V is supplied to the motor coil Stepping pulses are 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 ...

Page 138: ...n the main operations FAX transmission FAX reception the motor and copying 5 4 6 1 MODE SELECTION When the motor attached to the Drive Motor Gear rotates counterclockwise CCW Swing Gear A 2 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 Transmitmode B Receive mode and C Copy mode In Fig B you can see which mode ...

Page 139: ...er Gear for pre feeding documents B Receive mode Swing Gear B engages G8 and conveys its drive power to the Platen Roller Gear for printing the received data C Copy mode Swing Gear A 1 and B engage Gears 6 and 8 respectively and drive both the Separation Roller Gear and the Platen Roller Gear for feeding documents and recording paper in the copying operation 5 4 6 3 MECHANICAL MOVEMENTS IN THE MAI...

Page 140: ...5 4 6 3 2 SCANNING CROSS REFERENCE SENSOR SECTION 5 4 6 3 3 PRINTING 140 ...

Page 141: ...Note See 6 5 SENSERS AND SWITCHES 5 4 6 3 4 COPYING 141 ...

Page 142: ...tches are shown below Sensor Circuit Location Sensor Sensor or Switch Name Message Error Digital SW3 Motor Position Analog SW1 Cover Open and Paper set CHECK COVER and OUT OF PAPER SW2 Hook SW Operation Panel PS2 Document Read Position REMOVE DOCUMENT PS1 Document CHECK DOCUMENT 142 ...

Page 143: ...vel Other High level 5 5 2 COVER OPEN AND PAPER SET SWITCH SW1 When there is no recording paper the plate is separated from the switch lever and the switch turns off Pin 9 of CN101 Analog board becomes a high level When there is recording paper the plate pushes the switch lever and the switch turns ON Pin 9 of CN101 Analog board becomes a low level 143 ...

Page 144: ... sensor light the photo transistor becomes ON and the input signal of the CN2 5 pin Operation becomes a low level When there is no document at the read position the shelter plate closes the sensor light the photo transistor becomes OFF and the input signal of the CN2 5 pin Operation becomes a high level When checking this sensor CN1 8 pin 2pin becomes low level 144 ...

Page 145: ... shelter plate closes the sensor light the photo transistor becomes OFF and the input signal of the CN2 5 pin Operation becomes a high level When there is no document the shelter plate passes the sensor light the photo transistor becomes ON and the input signal of the CN2 5 pin Operation becomes a low level When checking this sensor the CN1 8 pin 3pin becomes a low level 145 ...

Page 146: ...he analog image signals which are received via the telephone line are demodulated and converted into digital image signals The communication format and procedures for FAX communication are standardized by ITU T This 1 chip modem IC1 has hardware which sends and detects all of the necessary signals for FAX communication and DTMF It can be controlled by writing commands from the ASIC IC1 to the regi...

Page 147: ...ing line density of 3 85 lines mm for about 3 minutes Methods to suppress redundancy are not used Determined in 1976 Group III G3 A method of suppressing redundancy in the image signal prior to modulation is used An A 4 size document is sent with about one minute Determined in 1980 Group IV G4 Transmission is via the data network A method is provided for suppressing redundancy in signals prior to ...

Page 148: ...eated for transmission Phase E Call retrieval Phase E is the procedure for call retrieval that is for circuit disconnection 4 Concerning Transmission Time Transmission Time Control Time Image Transmission Time Hold Time Transmission time consists of the following Control time This is time at the start of transmission when the functions at the sending and receiving sides are confirmed the transmiss...

Page 149: ...20 Can be recognized in 40ms 6 Explanation of Technology a G3 Communication Signals T 30 Binary Process For G3 facsimile communication this is the procedure for exchanging control signals between the sending and receiving machines both before and after transmission of image signals Control signals at 300 bps FSK are 1850 Hz 0 1650Hz 1 An example of the binary process in G3 communication is shown b...

Page 150: ... future T 3 operation features 9 Transmitter T 4 operation 10 Receiver T 4 operation Receiver T 4 operation 11 12 0 0 0 1 1 0 1 1 Data signaling rate V 27 ter fall back mode V 27 ter V 29 V 27 ter and V 29 Data signaling rate 2400 bit s V 27 ter 4800 bit s V 27 ter 9600 bit s V 29 7200 bit s V 29 13 Reserved for the new modulation system 14 Reserved for the new modulation system 15 Vertical resolu...

Page 151: ...f 255 mm 1 Invalid Recording width 1728 picture elements along scan length of 215 mm 1 2432 picture elements along scan length of 303 mm 1 2048 picture elements along scan length of 255 mm 1 Invalid 19 20 0 0 0 1 1 0 1 1 Maximum recording length capability A4 297 mm Unlimited A4 297 mm and B4 364 mm Invalid Maximum recording length A4 297 mm Unlimited B4 364 mm Invalid Signal DCS Digital Command S...

Page 152: ...4 capability on PSTN 0 Reserved for G4 capability on 31 Unassigned 0 32 Extend field 1 Extend field 33 0 1 Validity of bits 17 18 Bits 17 18 are valid Bits 17 18 are invalid 0 Recording width Recording width indicated by 18 Recording width indicated by field bit information 34 Recording width capability 1216 picture elements along scan line length of 151 mm 1 0 Middle 1216 elements of 1728 element...

Page 153: ...imile units conforming to T 2 must have the following capability Index of cooperation IOC 264 Note 2 Standard facsimile units conforming to T 3 must have the following capability Index of cooperation IOC 264 Note 3 Standard facsimile units conforming to T 4 must have the following capability Paper length 297 mm 153 ...

Page 154: ...nal Refer to the next page RTC Return to Control Sends 12 bits 0 01 6 times to the receiver the same speed as the image signal and notifies completion of transmission of the first sheet EOP End of Procedure X1110100 End of one communication MCF Message Confirmation X0110001 End of 1 page reception DCN Disconnect X1011111 Phase E starts MPS Multi Page Signal X1110010 Completion of transmission of 1...

Page 155: ...signal is sent to NCU section Refer to CHECK SHEET 2 Facsimile Reception The analog image data which is received from the telephone line passes through the NCU section and enters pin 15 of the analog front end IC5 The signals that enter pin 15 of the analog front end IC5 convert the analog signals to the digital signals then the data is sent to the modem IC1 Refer to CHECK SHEET 3 DTMF Transmissio...

Page 156: ...erformed by ON OFF of the relay IC1 99 High Level CN9 8 CN1 8 Q3 ON RL1 make 5 8 3 BELL DETECTION CIRCUIT Circuit Operation The signal waveform for each section is indicated below The signal low level section input to pin 19 of ASIC IC4 on the digital board is read TEL LINE PC1 1 2 4 CN1 6 CN9 6 R119 IC1 56 5 8 4 PULSE DIALING IC1 99 High Level CN9 8 CN1 8 Q3 ON PC1 ON make Refer to 013 on the PRO...

Page 157: ... is output from the modem IC1 digital board The alarm tone the key tone bell tone and beep are output from gate array IC1 digital board During a pulse dial operation the monitor tone is output from gate array IC1 5 9 2 MONITOR CIRCUIT 1 Function This is the function when you are not holding the handset and can hear the caller s voice from the line 2 Circuit Operation Monitor Signal Path Signals re...

Page 158: ... TEL mode between T and R When the other party is a FAX the unit changes to FAX receiving Signal path Refer to CHECK SHEET 5 10 1 CIRCUIT DIAGRAM 5 11 OPERATION BOARD SECTION The unit consists of an LCD Liquid crystal display KEYs photo interrupters sensor and analog switches for key scan The key scan analog switch control reading sensor detection sensor control reading and LCD control are all con...

Page 159: ...ection of the document sensor and read start position sensor are available 5 11 3 LCD CONTROL KTXD KSCLK KLATCH and KSTART are sent as D0 D3 to control the LCD 5 12 POWER SUPPLY BOARD SECTION This power supply board uses the switching regulator method 159 ...

Page 160: ...hen 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 The following is an overview of how the power supply unit is controlled The control method of this power supply unit is pulse width modulation When Q1 is ON the energy is charged in the transformer primary coil according t...

Page 161: ...his circuit is for absorbing surge voltage generated by the transformer Control Circuit and Detecting Circuit The control circuit amplifies the output with increased voltage detected in the error detecting circuit Then it drives the main transistor In this power supply the duty ratio is defined by changing the ON period of the main transistor This is shown as follows When the output voltage of the...

Page 162: ...the error detecting circuit or control circuit is broken IC101 will recognize this signal and output becomes 0V Dummy load method to quickly check the power supply output Refer to POWER SUPPLY BOARD SECTION 6 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 7 FIXTURES AND TOOLS 162 ...

Page 163: ...8 CABINET MECHANICAL AND ELECTRICAL PARTS LOCATION 8 1 OPERATION PANEL SECTION 163 ...

Page 164: ...164 ...

Page 165: ...8 2 UPPER CABINET SECTION 165 ...

Page 166: ...8 3 LOWER CABINET P C B SECTION CROSS REFFERENCE MOTOR SECTION 8 4 MOTOR SECTION 166 ...

Page 167: ...8 5 ACTUAL SIZE OF SCREWS 167 ...

Page 168: ...9 ACCESSORIES AND PACKING MATERIALS 10 REPLACEMENT PARTS LIST 168 ...

Page 169: ...r the end of this period the assembly will no longer be available 2 Important safety notice Components identified by mark have special characteristics important for safety When replacing any of these components use only manufacture s specified parts 3 The S mark indicates service standard parts and may differ from production parts 4 RESISTORS CAPACITORS Unless otherwise specified All resistors are...

Page 170: ...00Z LEVER READ DETECTION 14 PFUV1052Y COVER OPERATION 15 PQDR9685Y ROLLER SUPPORT 16 PFUS1171Z TORSION SPRING ROLLER 17 PFDF1017Z SHAFT 18 PFDJ1020Z SPACER PLATEN LEFT 19 PFDN1033Z ROLLER PLATEN 20 PFDG1123Z GEAR PLATEN 21 PFHG1064Z RUBBER PARTS SEPARATION 22 Not Used 23 PFUS1173Z TORSION SPRING DOCUMENT FEED 24 PFHX1251Z PLASTIC PARTS READING SHEET 25 PFDJ1021Z SPACER PLATEN RIHGT 26 PFBX1172Z1 P...

Page 171: ...8Y PLASTIC PARTS IMAGE SENSOR SHEET 70 PFUS1181Z TORSION SPRING HEAD EARTH 71 PFDJ1013Y SPACER ROLLER 72 PFDN1034Z ROLLER SEPARATION 73 PQUS10055Z SPRING ONE WAY S 74 PFDE1059Z SPACER DELAY 75 PFDG1124Z GEAR SEPARATION ROLLER 76 XUC2FY RETAINING RING 77 N2GBBE000001 PHOTO ELECTRIC TRANSDUCER IMAGE SENSOR S 78 PFJE1005Z LEAD WIRE IMAGE SENSOR 79 PFGT1922Z M NAME PLATE 80 PFQT1186Y INDICATION LABEL ...

Page 172: ...R 142 PFUS1169Z TORSION SPRING ARM 143 PFDG1120Z GEAR IDLER B 144 PFHX1399Z COVER MOTOR SHEET 10 1 5 ACCESSORIES AND PACKING MATERIALS Ref No Part No Part Name Description Remarks A1 PFJXE0801Z HANDSET A2 PFJA1029Y CORD HANDSET A3 PQJA10075Z CORD TELEPHONE A4 Not Used A5 PFJA1030Z POWER CORD A6 PFQX1629Z INSTRUCTION BOOK A7 PQPH10023Z SHEET RECORDING PAPER 10M P1 PFPE1229Z M GIFT BOX ASS Y P2 PFPD...

Page 173: ...STOR SI S Q9 2SB1218A TRANSISTOR SI Q10 2SC4155R TRANSISTOR SI S Q11 2SC4155R TRANSISTOR SI S Q13 PFVTSI4431DY TRANSISTOR SI S Q14 PQVTDTC143E TRANSISTOR SI S Q15 PQVTDTC114EU TRANSISTOR SI S Q16 PQVTDTC114EU TRANSISTOR SI S Q17 2SB1218A TRANSISTOR SI DIODES D1 PQVDRLS73T DIODE SI D2 PFVDRMRLS245 DIODE SI S D3 MA7200 DIODE SI D7 PQVDRLS73T DIODE SI BATTERY BAT1 PFSU1004Z BATTERY S CONNECTORS CN1 P...

Page 174: ...40ZAT CRYSTAL OSCILLATOR S RESISTORS F1 ERDS1VJ000 0 S J11 ERJ3GEY0R00 0 J13 PQCUV1H104ZF 0 1 S L4 ERJ3GEY0R00 0 L5 ERJ3GEYJ101 0 L6 ERJ3GEYJ101 0 L7 ERJ3GEYJ101 0 L8 ERJ3GEY0R00 0 L9 ERJ3GEY0R00 0 L10 ERJ3GEY0R00 0 L11 ERJ3GEY0R00 0 L12 ERJ3GEY0R00 0 L13 ERJ3GEY0R00 0 L14 ERJ3GEY0R00 0 L15 ERJ3GEY0R00 0 L17 ERJ3GEY0R00 0 L19 ERJ3GEY0R00 0 L20 ERJ3GEY0R00 0 L22 ERJ3GEY0R00 0 L25 ERJ3GEY0R00 0 R1 E...

Page 175: ...3 ERJ3GEYJ224 220k R44 ERJ3GEYJ395 3 9M R46 ERJ3GEYJ123 12k R49 ERJ3GEYJ683 68k R51 ERJ3GEYJ103 10k R52 ERJ3GEYJ224 220k R53 ERJ3GEYJ104 100k R54 ERJ3GEYJ105 1M R57 ERJ3GEYJ103 10k R58 ERJ3GEYJ472 4 7k R59 ERJ3GEYJ394 390k R60 ERJ3GEYJ562 5 6k R62 ERJ3GEYJ393 39k R63 ERJ3GEYJ821 820 R64 ERDS1TJ222 2 2k S R66 ERJ3GEYJ563 56k R67 ERJ3GEY0R00 0 R68 ERJ3GEY0R00 0 R69 ERJ3GEYJ101 100 R70 ERJ3GEYJ101 10...

Page 176: ...1k R121 ERJ3GEYJ102 1k R131 ERJ3GEYJ682 6 8k R132 ERJ3GEYJ224 220k R133 ERJ3GEYJ222 2 2k R134 ERJ3GEYJ471 470 R135 ERJ3GEYJ151 150 CAPACITORS C1 ECUV1E104ZFV 0 1 C2 ECUV1E104ZFV 0 1 C3 ECUV1E104ZFV 0 1 C4 ECUV1C104KBV 0 1 C6 ECUV1E104ZFV 0 1 C8 ECUV1E104ZFV 0 1 C10 ECUV1E104ZFV 0 1 C11 ECUV1E104ZFV 0 1 C12 ECUV1E104ZFV 0 1 C13 ECUV1H150JCV 15P C14 ECUV1H120JCV 12P C15 ECUV1H102KBV 0 001 C17 ECUV1E...

Page 177: ...2 ECUV1C104KBV 0 1 C53 ECUV1C104KBV 0 1 C54 ECUV1H222KBV 0 0022 C55 ECUV1E104ZFV 0 1 C56 ECUV1H182KBV 0 0018 C58 ECUV1C104KBV 0 1 C60 ECUV1C104KBV 0 1 C61 ECUV1H151JCV 150P C62 ECUV1C104KBV 0 1 C63 ECUV1C104KBV 0 1 C64 ECUV1H101JCV 100P C65 ECUV1C104KBV 0 1 C66 ECUV1C104KBV 0 1 C67 ECUV1C104KBV 0 1 C74 ECUV1H222KBV 0 0022 C75 ECUV1H561JCV 560P S C77 ECUV1C104KBV 0 1 C78 ECUV1H102KBV 0 001 C79 ECEA...

Page 178: ...TORS AND JACKS CN1 PQJS17A10Z CONNECTOR 17PIN S CN2 PQJP02G100Z CONNECTOR 2PIN CN3 PQJJ1TB18Z JACK S CN4 PQJJ1T004Z JACK S CN5 PQJJ1T004Z JACK S RELAY RL1 PFSL001Z RELAY S VARISTORS SA1 PQVDDSS301L VARISTOR S SA2 PFRZ002Z VARISTOR S SWITCHES SW1 PFSH1A03Z PUSH SWITCH S SW2 ESE14A211 PUSH SWITCH TRANSFORMER T2 G4A1A0000160 TRANSFORMER COILS L5 PQLQR1RS102 COIL S L8 PQLQR1RS102 COIL S PHOTO ELECTRIC...

Page 179: ...L3 PQ4R10XJ000 0 S 179 ...

Page 180: ... ERJ3GEY0R00 0 R42 ERJ3GEYJ473 47k R45 ERJ3GEYJ331 330 R46 ERJ3GEYJ152 1 5k R47 ERJ3GEYJ152 1 5k R48 ERJ3GEYJ153 15k R49 ERJ3GEYJ153 15k R50 ERJ3GEYJ394 390k R51 ERJ3GEYJ224 220k R52 ERJ3GEYJ222 2 2k R53 ERJ3GEY0R00 0 R62 ERJ3GEYJ473 47k R63 ERJ3GEYJ331 330 R64 ERJ3GEYJ223 22k R67 ERJ3GEY0R00 0 R72 ERJ3GEYJ154 150k R73 ERJ3GEYJ114 110k R74 ERJ3GEYJ103 10k R75 ERJ3GEYJ153 15k R80 ERJ3GEYJ103 10k R8...

Page 181: ... OPERATION BOARD PARTS Ref No Part No Part Name Description Remarks PCB3 PFLP1399LAZ OPERATION BOARD ASS Y RTL IC IC1 PQVIMC4051BF IC S TRANSISTORS Q1 PQVTDTA143EU TRANSISTOR SI S Q2 PQVTDTA143EU TRANSISTOR SI S Q3 PQVTDTA143EU TRANSISTOR SI S DIODE D1 1SS133 DIODE SI S CONNECTORS CN1 PFJS09A13Z CONNECTOR 9PIN CN2 PFJS06A13Z CONNECTOR 6PIN S LIQUID CRYSTAL DISPLAY CN3 PFAVM220 LIQUID CRYSTAL DISPL...

Page 182: ...ECIAL SWITCH SW26 EVQ11Y05B SPECIAL SWITCH SW27 EVQ11Y05B SPECIAL SWITCH SW28 EVQ11Y05B SPECIAL SWITCH SW29 EVQ11Y05B SPECIAL SWITCH SW30 EVQ11Y05B SPECIAL SWITCH SW31 EVQ11Y05B SPECIAL SWITCH RESISTORS R2 ERJ3GEYJ103 10k R3 ERJ3GEYJ103 10k R4 ERJ3GEYJ103 10k R5 ERJ3GEYJ103 10k R7 ERJ3GEYJ103 10k R10 ERJ3GEYJ103 10k R11 ERJ3GEYJ271 270 R12 ERJ3GEYJ563 56k R13 ERJ3GEYJ103 10k R14 ERJ3GEYJ471 470 R1...

Page 183: ... DIODE SI D107 MA165 DIODE SI D201 PFVDSF5LC20U DIODE SI S D202 PFVDD1NL20U DIODE SI S D204 MA2300 DIODE SI D205 MA4075M DIODE SI CONNECTORS CN31 PQJP2D98Z CONNECTOR 2PIN CN301 PQJP8G30Y CONNECTOR 8PIN COILS L101 PFLES11V0712 COIL S VARISTORS ZNR101 ERZV10DK471U VARISTOR ZNR102 ERZV10DK471U VARISTOR PHOTO COUPLER PC101 0N3131SKU PHOTO ELECTRIC TRANSDUCER FUSE F101 PQBA1C50NBKL FUSE S TRANSFORMER T...

Page 184: ... R221 PQ4R10XJ681 680 S R222 PQ4R10XJ472 4 7k S R223 PQ4R10XJ101 100 S R224 PQ4R10XJ223 22k S R225 PQ4R10XJ123 12k S R226 PQ4R10XJ222 2 2k S CAPACITORS C101 ECQU2A104MV 0 1 C102 ECQU2A104MV 0 1 C103 ECKNTS222ME 0 0022 C104 ECKNTS222ME 0 0022 C105 ECKNTS222ME 0 0022 C106 PFEU200SX180 180 S C107 ECKZ3A331KB 330P S C109 ECQB1H103JF 0 01 C110 PQCUV1H682KB 0 0068 S C201 EEUFA1V471 470 C202 ECKD3A102KBP...

Page 185: ...C FACSIMILE TECHNIQUE Notes Tools and Extension Cords are useful for servicing They make servicing easy 11 PRINTED CIRCUIT BOARD 11 1 DIGITAL BOARD COMPONENT VIEW 11 2 DIGITAL BOARD PCB1 BOTTOM VIEW 11 3 ANALOG BOARD PCB2 COMPONENT VIEW 11 4 ANALOG BOARD PCB2 BOTTOM VIEW 11 5 OPERATION BOARD PCB3 11 6 POWER SUPPLY BOARD PCB4 12 FOR THE SCHEMATIC DIAGRAMS Note 1 DC voltage measurements are taken wi...

Page 186: ...13 SCHEMATIC DIAGRAM 13 1 DIGITAL BOARD PC1 13 2 ANALOG CIRCUIT PCB2 13 3 OPERATION BOARD PCB3 13 4 POWER SUPPLY BOARD PCB4 Y M KXFT71LAB 186 ...

Page 187: ...0 A B C D E R71 R68 R69 R67 R70 J11 Q14 Q15 J10 R99 C95 C11 C92 R103 C101 C31 C89 C21 C10 C97 C12 C6 C28 R29 C44 C39 C47 C46 C29 R21 15 14 28 1 C35 R58 C63 R60 C61 C103 R53 C66 C65 R43 R87 C55 C80 R88 R52 R62 3 3V 12V 24VA IC8 R20 Q13 C83 R91 R90 Q10 R89 J12 C82 IC9 IC5 R102 R36 R24 R25 D7 4 1 8 5 1 8 5 4 5V B 3 3V B RESET1 RESET2 1 4 5 8 D2 PFUP1267ZA DIGITAL BOARD COMPONENT KX FT71LA B ...

Page 188: ...13 C46 5V R18 GND IC4 TP13 C104 L19 L10 C77 C75 R66 C17 R110 R100 R8 R109 R108 R107 R92 D6 1 1 9 1 1 9 5 6 8 F3 R79 AUTO CH PCB 24V CH R64 1 32 17 F1 C99 R74 J13 16 IC2 C98 2 2 2 1 1 5 16 9 8 RA1 R135 CN4 CN1 8 1 C76 C34 11 1 1 IC7 E D3 Q7 1 25A 10 TP12 2 CN8 CN6 CN7 C90 CN5 CN3 C79 Q1 REF CH RA2 RA3 BAT1 X3 R34 R37 C45 RA5 R11 R12 R10 RA4 C36 R22 R59 R57 C62 C64 C33 R19 C32 R101 R75 Q8 C70 C72 C7...

Page 189: ...4 R19 R18 R9 J3 1 17 Q3 R75 1 4 5 8 IC1 C43 C45 R73 R72 R45 L8 L7 L5 L6 R63 R62 R49 R66 R65 R53 R55 R67 C50 R64 C49 C55 R34 C24 R41 C31 C23 R38 R39 R54 C22 C21 C26 C32 R42 C33 R52 R50 C57 C65 R46 C53 R48 C52 C51 R47 C54 Q2 Q11 C46 CN3 C40 C41 R74 R23 R22 L1 L2 L12 D1 L3 L4 CN5 CN4 L11 Q6 R24 24V 5VD AG DG 5VA IC2 5 8 1 4 PFUP1268ZA ANALOG BOARD COMPONENT KX FT71LA B ...

Page 190: ...D2 D3 D6 R82 R83 JJ8 JJ10 R71 JJ57 JJ21 JJ52 JJ51 JJ9 RL1 PC2 JJ12 JJ11 JJ13 JJ59 JJ53 JJ14 R84 R85 JJ15 JJ16 JJ17 JJ18 JJ19 R32 R31 JJ20 CN1 17 1 JJ54 JJ55 JJ56 R37 PCB CH AUTO CH C42 C44 C58 R61 D4 D12 D11 SW1 T1 T2 C61 C30 C60 C48 C47 D8 D9 CN3 CN2 1 2 PC1 PC4 SW2 JJ4 JJ5 JJ6 JJ7 ANALOG BOARD BOTTOM KX FT71LA B ...

Page 191: ...04 C106 R102 R103 R107 Q101 D202 R205 J6 J3 J5 IC202 D201 C202 C205 C204 J10 J9 J4 J11 J2 C201 CN301 1 8 C203 C105 C107 C109 D105 D102 J1 D101 D106 D205 D204 D107 CN31 N L SRF912UC PRIMARY SECONDARY C102 S D G Q201 E B C SRF912UC MITSUMI ELEC CO LTD 68 4492A KPC 7694V 0 94V 0 AC125V 5A F101 CN31 R112 R105 G D S R104 PC101 T101 R221 R222 J8 R225 CN301 R223 R111 R113 E C B B C E C108 R226 24V GND GN...

Page 192: ... R31 J101 R32 C1 R7 R18 R16 R19 R14 R20 R15 R28 R3 R5 R4 R10 R13 R12 R27 C5 R29 C4 R6 R9 R8 C3 R1 R17 R2 R11 Q5 Q2 Q4 Q1 Q3 1 IC1 8 9 16 A B C D E F G a b c d 10 1 A B C 1 2 3 4 5 6 7 8 9 A B C PFUP1269ZA BLACK RED COMPONENT VIEW ...

Page 193: ... JJ18 JJ17 JJ16 JJ15 JJ14 JJ24 JJ29 JJ30 JJ31 JJ32 JJ37 JJ38 CN2 CN1 1 1 3 7 9 8 6 2 2 JJ25 JJ19 JJ36 JJ35 JJ33 JJ34 D2 C2 JJ3 JJ4 JJ6 JJ7 PS1 1 10 CN3 LED1 PS2 SW4 SW3 SW6 SW21 SW22 SW29 SW13 SW14 HELP VOL VOL SW30 D1 SW2 AUTO CH PCB CH SW23 SW7 SW15 JJ26 FAX START SET SW31 SW1 REDIAL MUTE STOP COPY MONITOR SP PHONE RECEIVE MODE PFUP1269ZA PREV JJ23 JJ27 JJ5 JJ28 OPERATION BOARD KX FT71LA B BOTTO...

Page 194: ... 145 ADR13 146 ADR14 147 3 3V 148 ADR15 149 RM0 IOP00 150 RM1 IOP01 151 RM2 IOP02 152 RM3 IOP03 153 RXE IP04 154 TM0 IOP10 155 TM1 IOP11 156 TM2 IOP12 157TM3 IOP13 158 TXE IP14 159 STB1 160 STB2 161 STB3 162 STB4 163 THDAT 164 VSS 165 MULT3 5 166 THCLK 167 THLAT 168 STBNP 169 3 3V 170 TXD2 IOP 171 RXD2 IOP 172 RTS2 IOP 173 CTS2 IOP 174 DSR2 IOP 175 DCD2 IOP 176 DTR2 IOP 177 RI2 IOP 178 XRSTSWI IP8...

Page 195: ...K0 1 C48 24K R38 75K R39 K2200P C50 Vref R43 220K C58 K0 1 R49 68K 2 IC9 5 6 7 12V R53 100K C61 J150P TP10 24VF 5V 5VA C53 K0 1 C54 K2200P R44 3 9M NC R31 Q1 5V C37 Z0 1 C35 Z0 1 C36 6 3V 100u C34 6 3v100u C28 Z0 1 1K R13 K0 1 C27 10K R24 5V 10K R25 Q11 R92 2 2K CN1 1 24v 2 24v 3 24v 4 GND 5 GND 6 GND 7 5V 8 PDET 2 2K R18 5V 10K R17 D6 5VA 5V R100 NC R101 NC R102 820 R103 820 R104 820 R107 1K R108...

Page 196: ...K0 1 C48 24K R38 75K R39 K2200P C50 Vref R43 220K C58 K0 1 R49 68K 2 IC9 5 6 7 12V R53 100K C61 J150P TP10 24VF 5V 5VA C53 K0 1 C54 K2200P R44 3 9M NC R31 Q1 5V C37 Z0 1 C35 Z0 1 C36 6 3V 100u C34 6 3v100u C28 Z0 1 1K R13 K0 1 C27 10K R24 5V 10K R25 Q11 R92 2 2K CN1 1 24v 2 24v 3 24v 4 GND 5 GND 6 GND 7 5V 8 PDET 2 2K R18 5V 10K R17 D6 5VA 5V R100 NC R101 NC R102 820 R103 820 R104 820 R107 1K R108...

Page 197: ...J1 0 J2 0 1 IC2 3 2 1 5VA R14 220 1 4W R16 47K 1 2W PC2 NC 1 2 3 4 5VD R19 NC R52 2 2K C12 NC SW1 3 1 4 2 SW2 1 2 4 3 T2 2 1 3 5 C8 K0 01 C40 NC C41 NC C24 K0 1 R42 47K C25 J180p C27 NC R35 110K R37 2 2K 5VA C23 K0 1 C32 NC 2 IC2 7 6 5 4 8 R33 56K C33 K1800p C20 K0 01 R39 12K R41 0 R34 56K D12 5 6V R36 110K R31 470 1 4W C30 50V4 7 D11 5 6V C26 Z0 1 2 0V L10 NC 4 1 3 2 L3 0 CN5 4 3 L4 0 C31 K0 027 ...

Page 198: ...111 330K 330K 330K C101 0 1 GND F101 5A125V CN31 1 2 L N C104 2200p 2200p C105 220pF C106 R102 220K R103 220K C107 330p R101 5 6 2 680 2 R205 C201 D204 470 35 680 2 R206 C207 47 35 C203 470 16 R104 15K R222 4 7K R221 680 R221 2 2K R224 22K R225 Q201 D203 12K VR201 5K PC101 180 200 D101 D103 D104 ZNR102 ZNR101 470V 470V Cycle 2 2µs Cycle 2 2µs 5V 300V 0V Cycle 2 2µs Cycle 2 2µs 25 5V 10V 0V 14V 35V...

Page 199: ...K R11 270 D1 5V 5V C6 Z0 22u C7 NC C8 NC SW28 FLASH SW29 MENU C9 NC C5 NC Q4 NC R6 NC C4 NC R9 NC R8 NC C3 NC R29 NC R27 NC 5V CN2 1 MICIN 2 AG 3 NC 4 DG 5 KRXD 6 KTXD 7 KLATCH 8 KSCLK R5 10K CN3 1 VSS 2 VDD 3 V0 4 RS 5 R W 6 E 7 DB0 8 DB1 9 DB2 10 DB3 5V D2 LED1 R31 NC Q5 NC R32 NC CN1 0 1 KSTART 2 KIN3 3 KIN2 4 KIN1 5 KIN0 6 E 7 RS 8 OPESEL 9 5V R33 4 7 SW9 5 SW23 STOP R28 10K R30 750 SW1 NO USE...

Page 200: ...BAT1 IC2 ROM IC1 ASIC IC3 SRAM X1 Component View A D Bus Upper side Bottom side 3 3V X3 RAMCS RA1 RA5 TEST X2 5V GND 24V ROMCE TEST Land Dipping side ...

Page 201: ...DSET SPEAKER 24V 5V RLY ANA LOG SW LCD SENSOR KEY MATRIX CPU OP PANEL I F IMAGE PROCESSING MOTOR I F MOTOR SENSOR ROM 1M SRAM 256k OSC I O A D RESET REG RTC CIS THERMAL HEAD 24V 24V AC120V 5V 5V 5V MODEM REG MOS SW 3 3V PRINTER CONTROL I F ROM SELE CTOR VOL SP AMP SP MUTE HOOK SW PAPER PC CODEC ...

Page 202: ... RS E VOL HEAD CTL XWDERR RD WR XRESETI A0 17 D0 7 CIS CTL LED ON ASIC IC1 32 768KHz 20 736MHz 24MHz T0 T2 T5 IC7 MOTOR DRIVER TO MOTOR TO OPE PANEL RX SP H S RX H S TX TX RXIN TXOUT ANALOG FRONT END IC5 ANALOG SW IC6 TO ANALOG SRAM IC3 A0 17 D0 7 RD WR 5V 24V Q13 24V TH ON I O ANALOG PORT CONTROL TO SRAM IC3 KX FT71LA B DIGITAL BOARD BLOCK DIAGRAM ...

Page 203: ...NDSET CN5 CN3 CN2 VOL MODEM ASIC IC1 Analog Front End IC5 SW2 SW1 PAPER HOOK H STX H SRX SPOUT SPEAKER SP AMP SP MUTE H SRX ENB TEL RX ENB LINERX LINETX MTX ENB H STX MUTE MOM RX ENB T T1 R R1 R12 R52 IC2 R49 R48 C47 L5 L8 L6 L7 1 4 3 2 R61 R62 R64 C49 R63 Q2 C50 C53 C54 KX FT71LA B ANALOG BOARD BLOCK DIAGRAM ...

Page 204: ... 4 3 5 R16 R33 C11 C43 C31 R17 R18 PC1 CN9 10 CN1 10 Analog Board Digital Board To IC5 5VD 1 2 3 4 D6 24V Q3 RL1 1 2 CN1 5VA R33 R36 R35 C25 C26 C23 R34 R37 C24 4 3 2 1 5 IC2 2 0V R12 T2 6 1 CN5 4 3 a1 b2 L4 L3 R82 R83 R84 R85 IC6 10 11 ...

Page 205: ...IC1 ASIC DIGITAL BOARD OPERATION BOARD READ POSITION SENSOR DOCUMENT SENSOR CN6 CN2 CN7 CN1 Chip on board type ANALOG SW IC1 CN3 8X4 KEYS MATRIX LCD KX FT71LA B OPERATION BOARD BLOCK DIAGRAM ...

Page 206: ...Z0 1u C21 270 R13 270 RA5 1 2 3 4 5 6 7 8 0 L13 100 L14 100 L18 100 L17 100 L16 0 L15 1K R110 1K R109 47K R111 47K R112 K1000p C128 K1000p C129 0 L1 IC1 1 AIN1 2 AIN2 3 AIN3 4 AMON 5 VSSB 6 VDDB 7 3 3V BATT 8 X32OUT 9 X32IN 10 VSS 11 XBACKEN 12 5V BATT 13 XRAMCS 14 FTG 15 F1 16 F2 OP50 17 FR OP51 18 CPC 19 5V 20 VSS 21 RVN 22 IRDATXD IOP81 23 IRDARXD IOP80 24 TXD IOP30 25 RXD IOP31 26 XRTS IOP32 2...

Page 207: ...T2 2 1 3 5 C8 K0 01µ C40 NC C41 NC C24 K0 1µ R42 51K C25 J220p C27 NC R35 82K R37 2 2K 5VA C23 K0 1µ C32 NC 2 IC2 1 2 3 4 8 R33 56K C33 K1800p C20 K0 01µ R39 12K R41 0 R34 56K D12 R36 82K R31 470 1 4W C30 50V4 7µ D11 C26 Z0 1µ 2 0V L10 NC 1 4 2 3 L3 NC CN5 NC 4 3 L4 NC R15 NC PC3 NC 1 2 3 4 C13 NC C31 K0 027 R38 NC R32 0 C21 NC C22 NC R5 100 SW3 3 1 4 2 R6 4 7K C3 K0 01 µ D1 NC 4 3 1 2 C6 NC C5 NC...

Page 208: ...0 047 C103 1000p L101 ZNR101 R101 1M 470V L N CN31 1 GND R127 PC101 C124 0 1 1 8K C101 0 1 F101 SA125V D104 R105 0 22 2 R124 180 C121 4700p 4 5 3 6 2 7 1 8 R122 620 R125 10K D107 IC101 D108 R108 15 IC202 R128 180 D106 Q101 G R104 100K 1 T101 TRANS D201 1 24V 2 24V 3 24V 4 GND CN301 5 GND 6 GND 7 5V C202 1000p 1K D202 R223 IC201 C205 1 50 100 D S C204 47 35 Cycle 12 4 µs 55V 25V 0V Cycle 12 4 µs 20...

Page 209: ... 1K C103 L101 R113 R112 R111 330K 330K 330K C101 0 1 GND F101 5A125V CN31 1 2 L N C104 2200p 2200p C105 220pF C106 R102 220K R103 220K C107 330p R101 5 6 2 680 2 R205 C201 D204 470 35 680 2 R206 C207 47 35 C203 470 16 R104 15K R222 4 7K R221 680 R221 2 2K R224 22K R225 Q201 D203 12K VR201 5K PC101 180 200 D101 D103 D104 ZNR102 ZNR101 470V 470V Cycle 2 2 s Cycle 2 2 s 5V 300V 0V Cycle 2 2 s Cycle 2...

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