Page 1 ORDER NO. 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...
Page 2 1.2. SAFETY PRECAUTIONS 1. Before servicing, unplug the AC power cord to prevent an electric shock. 2. When replacing parts, use only the manufacturer's recommended components. 3. Check the condition of the power cord. Replace if wear or damage is evident. 4.
Page 3 1. Unplug the power cord and short the two prongs of the plug with a jumper wire. 2. Turn on the power switch. 3. Measure the resistance value with an ohmmeter between the jumpered AC plug and each exposed metal cabinet part (screw heads, control shafts, bottom frame, etc.).
Page 4 CAUTION Danger of explosion if the battery is replaced incorrectly. Replace only with the same or equivalent type recommended by the manufacturer. Discard used batteries according to following caution Disposal of lithium batteries should be performed by permitted, professional disposal firms knowledgeable in state government federal and local hazardous materials and hazardous waste transportation and disposal requirements.
Page 5 1.7. PERSONAL SAFETY PRECAUTIONS 1.7.1. MOVING SECTIONS OF THE UNIT Be careful not to let your hair, clothes, fingers, accessories, 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.
Page 6 1.7.2. 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. (Bottom view)
Page 7 1.8. FEATURES General - Help function Please refer to WHEN YOU DON'T KNOW HOW TO OPERATE THE UNIT, USE THE HELP FUNCTION.() to print below features. Display:(Refer to LCD MESSAGE - DIRECTORY - RECEIVE MODE Facsimile - Space Saving Compact Design - Resolution: Standard, Fine/Photo, Super Fine - Copier Function - Automatic Document Feeder (10 Sheets)
Page 8 1.9. SPECIFICATIONS Applicable Lines: Public Switched Telephone Network Document Size: Max. 216 mm (8 1/2”) in width Max. 600 mm (23 5/8”) in length Effective Scanning Width: 208mm (8 3/16”) Recording Paper Size: 216 mm max. 30 m (8 1/2”×98”) roll Effective Printing Width: 208 mm (8 3/16”) Transmission Time*:...
Page 9 Operating Environment: 5°C—35°C (41°F—95°F), 45 %—85 % RH (Relative Humidity) Dimensions (H×W×D): 118 mm × 338 mm × 246 mm (4 5/8” × 13 5/16” × 9 11/16”) Mass (Weight): Approx. 2.5 kg (5.5 lb.) Power Consumption: Standby: Approx. 5.5 W Transmission: Approx.
Page 10 1.11.2. CCIT NO. 2 TEST CHART...
Page 11 1.12. LOCATION OF CONTROLS 1.12.1. OVERVIEW...
Page 12 1.12.2. CONTROL PANEL RECEIVE MODE - To change the receive 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.
Page 13 REDIAL/PAUSE - To redial the last number dialed. If the line is busy when you make a phone call using the button, the unit will automatically redial the number up to 5 times. - To insert a pause during dialing. MUTE - To mute your voice to the other party during a conversation.
Page 14 NOTE When you operate this products, the power outlet should be near the product 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.
Page 15 2. 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. 4.
Page 16 Note: - Only use the included roll of paper or specified recording paper, or else the print quality may be affected and/or excessive thermal head wear may occur. - To order recording paper, 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.
Page 17 4. Press . 5. Enter your logo, 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 times.
Page 18 Note: - You can enter your logo by pressing in step (4). In this case, press to move the cursor. To correct a mistake To insert a character Press to move the cursor to the incorrect character, and 1. Press to move the cursor to the position to where you want to insert the character.
Page 19 1.14.4. TO SELECT CHARACTERS USING Instead of pressing the dial keys, you can select characters using 1. Press 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.
Page 20 Display order 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...
Page 21 2. Press 3. Enter yor PIN(Personal dentification Number) code, from 2 to 4 digits, using 0-9. If you want to release the PIN code, refer to #531 on the SERVICE FUNCTION TABLE 4. Press . 5. Enter an emergency telephone number, up to 30 digits, using the dial keypad.
Page 23 Making an emergency call To insert a character 1. Follow steps 1-3 on the left. 1. Press to lift the handset while the unit displays 2. Press the following. / Display: -The display will show the following. Example: 2. Press unitil the desired emergency telephone number is displayed.
Page 24 through the front (i.e. newspaper) - To transmit the document(s) with a width of less than A4 size (210mm), we recommend using a copy machine to copy the original document onto A4 or letter- sized paper, than transmit the copied document.
Page 25 1.15.2.1. MAINTENANCE LIST OPERATION CHECK REMARKS Document Path Remove any foreign matter such as — paper. Rollers If the roller is dirty, clean it with a damp CLEANING cloth then dry thoroughly. Thermal Head If the thermal head is dirty, clean the CLEANING printing surface with a cloth moistened DISASSEMBLY...
Page 26 Item Cleaning Cycle Replacement Cycle Procedure 3 months Separation 7 years* HOW@TO REMOVE THE Roller BLOCK AND SEPARATION ROLLER (100,000 documents) (Ref. No. 72) 3 months Separation 7 years* HOW@TO REMOVE THE Rubber BLOCK AND SEPARATION ROLLER (100,000 documents) (Ref. No. 21) 3 months Feed Rollers 7 years*...
Page 27 a cloth moistened with isopropyl rubbing alcohol, and let all parts dry thoroughly. 4. Clean the white plate and glass with a soft dry cloth. 5. Close the cover securely by pushing down on both ends. 6. Connect the power cord and the telephone line cord. Caution: Do not use paper products, such as paper towels or tissues, to clean the inside of the unit.
Page 28 4. Close the cover securely by pushing down on both sides. 5. Connect the power cord and the telephone line cord. Caution: To prevent a malfunction due to static electricity, do not use a dry cloth and do not touch the thermal head directly.
Page 29 specifications, the paper selection lever/paper thickness lever is set correctly, and the paper is set correctly without any slack. 2. Before troubleshooting, first check that the connectors and cables are connected correctly (not loose). If the problem occurs randomly, check it very carefully. 3.
Page 30 DISPLAY MESSAGE CAUSE AND SOLUTION There is something wrong with the unit. Contact our service personnel. / [This error is displayed when thermal head does not warm up. Check the thermistor on the thermal head and connector lead.] This message appears when the gear is not in an idle state. Check the GEAR BLOCK. The cover is open.
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.
Page 32 4. Close the cover securely by pushing down on both sides.
Page 33 5. Tear off the excess paper by pulling it towards you.
Page 34 Note: - Do not pull out the jammed document forcibly before opening the 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.
Page 35 2. Replace the recording paper 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.
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...
Page 37 wrong side, a message will not be printed. Install the paper correctly. 2.3. TROUBLESHOOTING DETAILS 2.3.1. OUTLINE Troubleshooting guide provides a logical path of deduction to assist in locating a fault and suggests methods of restoring the unit to full working condition. Use the reported symptoms of the fault to determine the best troubleshooting method.
Page 38 2.3.3. TROUBLESHOOTING ITEMS TABLE FUNCTION SYMPTOM REFERENCE Printing Skewed receiving image SKEWED RECEIVING IMAGE Expanded print EXPANDER PRINT (WHEN PRINTING) Image is distorted IMAGE IS DISTORTED (WHEN PRINTING) Black or White vertical lines BLACK OR WHITE VERTICAL LINES appear. APPEAR No feed NO DOCUMENT FEED (Auto Document...
Page 39 SERIAL NO. DATE FUNCTION JUDGEMENT REFERENCE FAX operation Transmission OK / NG Receiving OK / NG Copy operation FINE mode OK / NG PHOTO mode OK / NG Telephone Handset transceiver / receiver OK / NG operation Monitor sound OK / NG Ringer sound OK / NG Dial operation...
Page 40 CROSS REFERENCE: DIGITAL BOARD SECTION POWER SUPPLY BOARD SECTION SENSOR SECTION TEST FUNCTIONS DISASSEMBLY INSTRUCTIONS 2.3.4.2. DOCUMENT JAM...
Page 41 CROSS REFERENCE: SENSOR SECTION DISASSEMBLY INSTRUCTIONS 2.3.4.3. MULTIPLE FEED...
Page 42 CROSS REFERENCE: DISASSEMBLY INSTRUCTIONS 2.3.4.4. SKEW...
Page 43 CROSS REFERENCE: DISASSEMBLY INSTRUCTIONS 2.3.4.5. IMAGE IS DISTORTED (WHEN PRINTING)
Page 44 CROSS REFERENCE: READ SECTION THERMAL HEAD SECTION TEST FUNCTIONS DISASSEMBLY INSTRUCTIONS 2.3.4.6. BLACK OR WHITE VERTICAL LINES APPEAR...
Page 45 CROSS REFERENCE: DIGITAL BOARD SECTION TEST FUNCTIONS 2.3.4.7. SKEWED RECEIVING IMAGE...
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...
Page 47 CROSS REFERENCE: DISASSEMBLY INSTRUCTIONS...
Page 48 2.3.5. COMMUNICATION SECTION Find the problem in the table shown below, and refer to the corresponding troubleshooting procedure in DEFECTIVE FACSIMILE SECTION Symptom Content Possible cause Troubleshooting Problem with the The paper is not fed properly when faxing. feeding mechanism. (Copying is also not possible.) Troubleshooting Problem with the service...
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...
Page 50 CROSS REFERENCE: LCD MESSAGE 2.3.5.1.3. RECEPTION PROBLEM Confirm the 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...
Page 51 OPEN, etc., 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...
Page 52 2.3.5.1.5. UNIT CAN COPY, BUT CANNOT TRANSMIT/RECEIVE LONG DISTANCE OR INTERNATIONAL COMMUNICATIONS The following 2 causes can be considered for this. Cause 1: The other party is executing automatic dialling, the call has been received by this unit, and the CED or DIS signal response time is too long.
Page 53 other party releases the line.) (Cause and Countermeasure) As shown in the chart above, the total handshaking time must be reduced. Long distance connection and linking of several stations means the line connection time cannot be reduced. Accordingly, the following countermeasures should be attempted. / (A) The TEL/FAX DELAYED RING count should be 1.
Page 54 No. Countermeasure Echo Communication Problem Countermeasure Service Side Example 1 Sending side Some time is needed to Add a dummy signal to the Service code compare the level of the beginning of the training (International receiving and sending signals signal. select) for the echo canceler.
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)
Page 56 <TX side signal> <RX side signal> <Countermeasure> 2nd / 3rd DCS / Training & delayed CFR / FTT at TX side & delayed MCF / PIP / PIN / RTP 2nd / 3rd EOP / EOM / MPS at TX side / RTN delayed DCS &...
Page 57 - Refer to SERVICE FUNCTION TABLE(). 2.3.5.1.7. HOW TO RECORD FAX SIGNAL BY USING PC Recording FAX signal is one of the useful analysis measures to solve communication problems. The way of recording easily by using PC is shown as follows. 1.
Page 58 3. Connecting PC and JIG 4. PC setting and recording 1. Set LINE IN to be valid in the volume control setting. Refer to the PC instruction book. 2. Start up the PC software “ SOUND RECORDER”. (This software is bundled to Windows OS, which can create WAV file.) Set the audio format “...
Page 59 Error code table:...
Page 60 (2) RESULT (3) MODE SYMPTOM Counter CODE measure PRESSED THE STOP SND & Communication was interrupted by the STOP button. DOCUMENT JAMMED The document paper is jammed. NO DOCUMENT No document paper. PRINTER OVERHEATED The thermal head is overheated. PAPER OUT Out of thermal paper or the cover is open.
Page 61 (2) RESULT (3) MODE SYMPTOM Counter CODE measure ERROR-NOT YOUR DCN responds to a post message. UNIT COMMUNICATION Polling is not possible. ERROR COMMUNICATION No response at the other party after MCF or CFR is ERROR transmitted. ERROR-NOT YOUR DCN is received after CFR transmission. UNIT COMMUNICATION The carrier is cut when the image signal is...
Page 63 CROSS REFERENCE: TEST FUNCTIONS()
Page 64 CROSS REFERENCE: TEST FUNCTIONS()
Page 65 CROSS REFERENCE: TEST FUNCTIONS()
Page 66 CROSS REFERENCE: TEST FUNCTIONS()
Page 70 CROSS REFERENCE: TEST FUNCTIONS() 2.3.5.2. REMOTE PROGRAMMING If, after the call is connected, the customer describes the situation and it is determined that the problem can be corrected 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).
Page 71 First, in order to check the current status of the service code parameter, out put the setup list (code: 991) and service list (code: 999) from the customer's fax machine. Based on this, the parameters for the desired codes can be changed. The procedure for changing and listing parameters is described on ENTERING THE REMOTE PROGRAMMING MODE AND CHANGING SERVICE CODES...
Page 72 2.3.5.2.2. PROGRAM MODE TABLE Code Function Set Value Default Remote 001 Set the date and time dd/mm/yy hh:mm --------- 002 Your logo --------- --------- 003 Your fax number --------- --------- 004 Print transmission report 1:ERROR / 2:ON / 3:OFF ERROR 005 Auto receive mode 1:FAX ONLY / 2:TEL/FAX ONLY...
Page 73 Code Function Set Value Default Remote 558 LCD test Press "START". --------- 559 Document jam detection select 1:ON / 2:OFF 561 Key test Press any key. --------- 570 Break % select 1:61% / 2:67% 571 ITS auto redial time set 00~99 572 ITS auto redial line disconnection time set 001~999 set...
Page 74 One of most difficult problems to deal with is when the system will not boot up. The symptom: No response when the power is turned on. (No LCD display, keys are not accepted.) Note: 1. Electrical continuity may have existed at the factory check, but a faulty contact occurred as a result of vibration, etc., during transport.
Page 75 Normal Wave Patterns...
Page 76 For these reasons and the software sequence to boot up the unit, if you use an oscilloscope to judge whether a signal is OK or NG, you must check in the same order as in [List 1]. (If the ASIC (CPU) failed to access the ROM, the ASIC cannot access the SRAM normally.) The digital circuit actually operates according to the timing combinations of these signals.
Page 77 presented here is whether each IC outputs the correct signal. (See the I/O and Pin No. diagram.) 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.
Page 78 CROSS REFERENCE: NG EXAMPLE CHECK THE STATUS OF THE DIGITAL BOARD...
Page 79 CROSS REFERENCE: CHECK THE STATUS OF THE DIGITAL BOARD 2.3.6.2. NG EXAMPLE...
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.
Page 81 2.3.7. ANALOG BOARD SECTION The analog parts check is actually different than the digital parts check. The signal route is determined by the purpose of the check. For example, the handset TX route begins from the handset microphone and is output in the telephone line. In this route, it is mainly an analog signal.
Page 82 Note: { }: Inside the digital board / 2.3.7.2. DEFECTIVE ITS (INTEGRATED TELEPHONE SYSTEM) SECTION 2.3.8. POWER SUPPLY BOARD SECTION 1. Key components for 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.
Page 83 you locate and repair the faulty parts (except for the fuse); otherwise the fuse will melt again and you cannot pinpoint the faulty point. In most cases, the symptom is that nothing is output. It is more likely that the fault is in the primary side rather than the secondary side.
Page 87 3. Broken parts repair details (D101, D102, D103, D104) Check for a short-circuit in terminal 4. If D101, D102, D103 and D104 are short-circuited, F101 will melt (open). In this case, 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.
Page 88 If D201 is broken, the oscillation circuit in the power supply cannot operate. Check it with 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.
Page 89 CROSS REFERENCE: TEST FUNCTIONS 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" /...
Page 90 2.3.11. READ SECTION Refer to SCANNING BLOCK 2.3.12. THERMAL HEAD SECTION Refer to THERMAL HEAD...
Page 91 CROSS REFERENCE: SUPERVISION CIRCUIT FOR THE THERMAL HEAD TEMPERATURE THERMAL HEAD 2.4. PROGRAMMING AND LISTS The programming functions are used to program the various features and functions of the machine, and to test the machine. / Programming can be done in both the on-hook and off-hook conditions.
Page 92 2.4.3. USER MODE (The list below is an example of the SYSTEM SETUP LIST the unit prints out.)
Page 93 Note: The above values are the default values. 2.4.4. SERVICE FUNCTION TABLE...
Page 94 Code Function Set Value Effective Default Remarks Range 501 Setting the pause 001~600 X 100 001~600 Selects the pause time in 100 time msec msec steps. 502 Setting the flash 01~99 X 10 msec 01~99 Selects the line break time recall time flashing in 10 msec steps.
Page 95 Code Function Set Value Effective Default Remarks Range 554 Modem test Press "START/COPY/SET". 555 Scanner test Press "START/COPY/SET". 556 Motor test Press "START/COPY/SET". 557 LED test Press "START/COPY/SET". 558 LCD test Press "START/COPY/SET". 559 Setting the 1:ON 2:OFF 1, 2 Selects the jam detection of document jam document during FAX...
Page 96 Code Function Set Value Effective Default Remarks Range 594 Setting the 1: Detects on 1, 2 Sets the recognition format overseas DIS the 1st time.2: DIS signal. 1:Detects the first detection Detects on the signal sent from the receiver 2nd time. during FAX transmission.
Page 97 Code Function Set Value Effective Default Remarks Range 815 Sensor check Press "START/COPY/SET". 844 Original setting 1:NORMAL Use this feature when you transmit and copy a document 2:LIGHT with very faint writing or very 3:DARKER writing. NORMAL: Used for normal LIGHT: Used for faint writing.
Page 98 [HISTORY] Display Function DATA Date and time which are set by a user for the first time after purchase. TIME is the expiration from the first power on after purchase. Indicate 2-digit codes. (Refer toBUTTON CODE TABLE OPERATION 1st.50: History of the key operation from 1st to 50th after purchase.
Page 99 MSLT means Minimum Scan Line Time. Used only at the factory. 3. RESOLUTION (RESOL) Indicates the resolution of the communication. If multiple pages are transmitted or received, it indicates the last page's resolution. If there is a communication error, “?” is displayed. 4.
Page 100 6. EQM EQM means Eye Quality Monitor. Used only at the factory. 7. ERROR LINE(RX) When an error occurs while receiving a fax, this shows the number of error lines. 8. MAKER CODE This shows a 2 digit code of the other partyís fax machine brand. 0E: “KX”...
Page 101 Test Mode Type of Mode Code Function Operation after code input SCAN CHECK Service Mode “5” “5” “5” Tums on the LEDs of the image sensor and operates read systems. START LCD CHECK Service Mode “5” “5” “8” Checks the LCD indication.Illuminates all the dots if they are normal.
Page 102 High Frequency Low Frequency (Hz) (Hz) “1” “5” 1209 “2” “6” 1336 “3” “7” 1477 “4” “8” 1633 When set to OFF (=2), the 12 keys and transmission frequencies are as shown. High (Hz) 1209 1336 1477 Low (Hz) “1” “2”...
Page 103 3. DISASSEMBLY INSTRUCTIONS 3.1. HOW TO REMOVE THE HANDSET CRADLE CABINET, HOOK BUTTON AND SPEAKER...
Page 104 3.2. HOW TO REMOVE THE OPERATION BLOCK...
Page 105 3.3. HOW TO REMOVE THE OPERATION BOARD AND LCD...
Page 106 3.4. HOW TO REMOVE THE BOTTOM FRAME AND ANALOG BOARD...
Page 107 3.5. HOW TO REMOVE THE DIGITAL, POWER SUPPLY BOARD AND AC INLET...
Page 108 3.6. HOW@TO REMOVE THE MOTOR BLOCK AND SEPARATION ROLLER...
Page 109 3.7. HOW TO REMOVE THE MOTOR AND GEARS OF MOTOR BLOCK...
Page 110 3.8. HOW TO REMOVE THE IMAGE SENSOR (CIS)
Page 111 3.9. HOW TO REMOVE THE DOCUMENT FEED ROLLER...
Page 112 3.10. HOW TO REMOVE THE THERMAL HEAD...
Page 113 3.11. INSTALLATION POSITION OF THE LEAD WIRES...
Page 114 4. HOW TO REPLACE THE FLAT PACKAGE IC If you do not have the special tools (for example: 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.
Page 115 Recommended power consumption is between 30 W to 40 W. / Temperature of Copper Rod 662 ± 50°F (350 ± 10°C) / (An expert may handle a 60~80 W iron, but a beginner might damage the foil by overheating.) - Flux / HI115 Specific gravity 0.863 / (Original flux should be replaced daily.) 4.2.
Page 116 3. Remove when the solder melts. (Remove the lead at the same time.) After 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.
Page 117 4.4. BRIDGE MODIFICATION PROCEDURE 5. CIRCUIT OPERATIONS 5.1. CONNECTION DIAGRAM...
Page 118 5.2. GENERAL BLOCK DIAGRAM The control section will be explained as shown in 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.
Page 119 2. ROM (IC2) Contains all of the program instructions for unit operations. 3. Static RAM (IC3) This memory is used mainly for the parameter working storage area. 4. MODEM (Incruded in IC1) Modem for the FAX. 5. Read Section Contact Image Sensor (CIS) to read transmitting documents. 6.
Page 120 As a result, the CPU only needs to process the result. 2. RTC Real time clock. 3. DECODER Decodes the address. 4. MODEM Execute modulation and demodulation for the FAX. 5. ROM/RAM I/F Controls the SELECT signal of ROM or RAM and bank switching. 6.
Page 121 Pin Name Buffer Power Signal Description supply Tolerant Name X32OUT VDDRTC X32OUT 32.768kHz oscillator for RTC (built feed back resistor) X32IN VDDRTC X32IN 32.768kHz oscillator for RTC (built feed back resistor) VDDRTC +3.3V/ 32.768kHz backup power supply BATT XBACKEN VDDRTC XRESET Backup enable VDDSRAM...
Page 122 Ground...
Page 123 Pin Name Buffer Power Signal Description supply Tolerant Name IOP92 3.3V OPEN O Not used IOP93 3.3V OPEN O Not used IOP94 3.3V OPEN O Not used IOP95 3.3V OPEN O Not used 3.3V +3.3V Power supply FMEMCS/IOP27 3.3V OPEN O Not used 45 FMEMDO/IOP26 3.3V...
Page 124 Pin Name Buffer Power Signal Description supply Tolerant Name CPUCK 3.3V CPUCK CPU clock (6MHz) output XHOLDAK 3.3V OPEN Not used XWAIT/IP60 3.3V HOOK Hook detection XHOLD/IP61 3.3V PULL Not used DOWN XHSTRD/IOP40 3.3V H/S MUTE O Handset TX mute Ground XINMDM 3.3V...
Page 125 Pin Name Buffer Power Signal Description supply Tolerant Name ADR7 3.3V Address bus ADR8 3.3V Address bus ADR9 3.3V Address bus ADR10 3.3V Address bus Ground 3.3V +3.3V Power supply ADR11 3.3V Address bus ADR12 3.3V Address bus RBA0 3.3V Bank address RBA1 3.3V...
Page 126 Pin Name Buffer Power Signal Description supply Tolerant Name THLAT MULT3/5 TH LAT O Thermal head latch STBNP 3.3V CIS SEL 3.3V +3.3V Power supply TXD2/IOP 3.3V TH ON O Thermal head 24V ON RXD2/IOP 3.3V I/O LCD control RTS2/IOP 3.3V OPEN O Not used...
Page 127 Pin Name Buffer Power Signal Description supply Tolerant Name AMON Analog OPEN Not used AIN2 Analog AIN2 Thermistor voltage detection VSSB Ground for analog image process 5.3.3. ROM (IC2) This 128 KB ROM (OTPROM or MASKROM) has 32 KB of common area and bank area (BK4~BK15).
Page 128 The watch dog timer, built-in the gate array (IC1), is initialized about every 1.5 ms. / When a watch dog error occurs, pin 18 of the gate array (IC1) becomes low. / The terminal of the signal is connected to the reset line so the signal works as the reset signal.
Page 129 system setup date and so on are stored in the RAM (IC3). / The RTC continues functioning, even when the power switch is OFF, backed up by a lithium battery. 2. Circuit Operation When the power is turned ON, power is supplied RAM (IC3) and RTC (IC1).
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...
Page 131 of IC1 becomes a low level. / Then when it becomes a high level, it triggers point (A). / In point (C), according to the voltage output time, the thermal head's temperature is detected. After the thermal head temperature is converted to voltage in (B), it is then changed to digital data in the A/D converter inside IC1.
Page 132 5.4. FACSIMILE SECTION 5.4.1. IMAGE DATA FLOW DURING FACSIMILE OPERATION COPY (Fine, Super-Fine, Half Tone) 1. Line information is read by CIS, via route (1), and is input to IC1. 2. In IC1, the data is adjusted to a suitable level for A/D conversion in the Analog Signal Processing Section, and via route (2) it is input to A/D conversion (8 bit).
Page 133 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 items 1) - 3). 2. The data stored in RAM of IC1 is output from IC1 via routes (6) and (10), and is stored in the system bus. / Via route (11), it is stored in the communication buffer inside RAM (IC3).
Page 134 5.4.3. THERMAL HEAD 1. Function This unit utilizes state of the art thermal printer technology. / 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.
Page 135 2. Circuit Operation There are 9 driver ICs aligned horizontally on the thermal head and each one of these ICs can drive 192 heat emitting registers. This means that one line is at a density of 192×9=1728 dots=(8 dots/mm). / White/Black (white=0, black=1) data in one line increments is synchronized at IC1 pin 166 (THCLK), and sent from IC1 pin 163 (THDAT) to the shift register of the ICs.
Page 136 5.4.4. SCANNING BLOCK The scanning block of this device consists of a control circuit and a contact image sensor made up of a celfoc lens array, 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.
Page 137 illuminated by the LED array undergoes photoelectric conversion to output an analog image signal (AIN). The analog image signal is input to the system LSI (IC1) on ANA1 (pin 205 of IC1) and converted into 8-bit data by the A/D converter inside IC1. Then this signal undergoes digital processing in order to obtain a high-quality image.
Page 138 When the motor is OFF, gate array IC1 pin 153 becomes a low level and Q14 and Q7 also turns OFF. Instead of +24V, +5V is supplied through D2 so that the motor is held in place. 5.4.6. GEAR SECTION This section shows how the motor-driven gear mechanism works in the main operations: FAX transmission, FAX reception the motor and copying.
Page 139 5.4.6.2. MODE OPERATION Once a mode is selected, the Drive Motor Gear rotates clockwise (CW) and then the Swing Gear A-1 controls the mode operation. A: Transmit mode Swing Gear A-1 engages G6 and conveys its drive power to the Separation Roller Gear for pre- feeding documents.
Page 140 5.4.6.3.2. SCANNING CROSS REFERENCE: SENSOR SECTION 5.4.6.3.3. PRINTING...
Page 141 Note: See 6.5. SENSERS AND SWITCHES. 5.4.6.3.4. COPYING...
Page 142 CROSS REFERENCE: SENSOR SECTION 5.5. SENSORS AND SWITCHES All of the sensor and switches are shown below. Sensor Sensor or Switch Message Error Sensor Circuit Name Location Digital ———— Motor Position Analog Cover Open and [CHECK COVER] and [OUT OF Paper set PAPER] Hook SW...
Page 143 5.5.1. MOTOR POSITION SENSOR This sensor is a detection switch for recording the position of the CAM. Digital Board Signal (IC1-174 Pin) Home Low level position 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.
Page 144 Analog Board Signal (CN1-9 Pin) Paper Low level No paper High level 5.5.3. READ POSITION (PS2) When a document is brought to the read position, 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.
Page 145 Operation Board Photo transistor Signal (CN2-5 Pin) Out of the Read High level Position At the Read Position Low level 5.5.4. DOCUMENT SENSOR (PS1) When a document is set, 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.
Page 146 Operation Board Photo transistor Signal (CN2-5 Pin) No document Low level Set document High level 5.6. MODEM SECTION 5.6.1. FUNCTION The unit uses a 1 chip modem (IC1), enabling it to act as an interface between the control section for FAX sending and receiving, and the telephone line. During a sending operation, the digital image signals are modulated and sent to the telephone line.
Page 147 1. ON ITU-T (International Telecommunications' Union.) The No. XIV Group of ITU-T, one of the four permanent organizations of the International Telecommunications Uniib (ITU), investigates and make recommendations on international standards for facsimiles. 2. Definition of Each Group - Group I (G1) A-4 size documents without using formats which reduce the band width of a signal sent over telephone lines.
Page 148 Phase A : Call setting Call setting can be manual/automatic. Phase B : Pre-message procedure Phase B is a pre-processing procedure and sequence for confirming the status of the terminal, transmission route, etc. and for terminal control. It implements the terminal preparation status, determines and displays terminal constants, confirms synchronization status, etc.
Page 149 Telephone Network Facsimile G3 Machine Item Connection Control Mode Telephone Network Signal Mode Terminal Control Mode T. 30 Binary Facsimile Signal Format Digital Modulation Mode PSK (V. 27 ter) or QAM (V. 29) Transmission Speed 300 bps (Control Signal) 2400, 4800, 7200, 9600 bps (FAX Signal) Redundancy 1 dimension: MH Mode Compression...
Page 150 (Example) Bit No. DIS/DTC Transmitter - T.2 operation Receiver - T.2 operation Receiver - T.2 operation T.2 IOC = 176 T.2 IOC = 176 Transmitter - T.3 operation Receiver - T.3 operation Receiver - T.3 operation Reserved for future T.3 operation features.
Page 151 Bit No. DIS/DTC 17, 18 Recording width capabilities Recording width (0, 0) 1728 picture elements along scan line 1728 picture elements along scan length of length of 215 mm ± 1% 215 mm ± 1% (0, 1) 1728 picture elements along scan line 2432 picture elements along scan length of length of...
Page 152 Bit No. DIS/DTC Standard setting 21, 22, 23 Minimum scan line time capability of the Minimum scan line time receiver (0, 0, 0) 20 ms 20 ms at 3.85 l/mm: T7.7 = T3.85 (0, 0, 1) 40 ms 40 ms at 3.85 l/mm: T7.7 = T3.85 (0, 1, 0) 10 ms 10 ms at 3.85 l/mm: T7.7 = T3.85...
Page 153 Bit No. DIS/DTC Standard setting Inch MSC/SF Select Polling Note 1 - Standard facsimile 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.
Page 154 Signal Identification Signal Format Function Training 1 ——————— A fixed pattern is transmitted to the receiving at a speed (2400 to 9600 bps) designated by DCS, and the receiving side optimizes the automatic equalizer, etc., according to this signal. ——————— Sends 0 continuously for 1.5 seconds at the same speed as the training signal.
Page 155 5.6.2. MODEM CIRCUIT OPERATION The ASIC (IC1) has all the hardware satisfying the ITU-T standards mentioned previously. / The modem is included in IC1. The signal communicates with the TEL line through the analog front end IC (IC5) of digital/analog, analog/digital convertor. The modem in IC1 is operated using the 20.736 MHz (x2) clock.
Page 156 Refer to CHECK SHEET 5. Busy/Dial Tone Detection The path is the same as FAX receiving. 5.7. ANALOG UNIT BLOCK DIAGRAM 5.8. NCU SECTION 5.8.1. GENERAL This section is the interface between the telephone line and external telephone. It is composed of an EXT.
Page 157 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.
Page 158 (Monitor) Refer to CHECK SHEET (Handset) 2. Alarm/Beep/Key tone/Bell Refer to CHECK SHEET 3. Dummy Ring Back Tone Same with the modem signal transmission. 5.10. EXT. TEL EXT. TEL JACK is provided for the external TEL connection. / Connect the telephone to the EXT. TEL JACK.
Page 159 5.11.2. SENSOR DETECTION When CN1(8) (OPSEL) is "L", the detection 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.
Page 160 [Input Circuit] The input current goes into the input rectifier circuit through the filter circuit. The filter circuit decreases the noise voltage and the noise electric field strength. [Rectifier Circuit] The input current is rectified by D101,D102,D103 and D104 and charges C106 to make DC voltage.
Page 161 Then the power is supplied to the Load. When Q 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 T is controlled, stabilization occurs.
Page 162 limited by this circuit. [Over Voltage Circuit] If the 24V output increases because 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.
Page 163 8. CABINET, MECHANICAL AND ELECTRICAL PARTS LOCATION 8.1. OPERATION PANEL SECTION...
Page 165 8.2. UPPER CABINET SECTION...
Page 166 8.3. LOWER CABINET/P.C.B. SECTION CROSS REFFERENCE: MOTOR SECTION 8.4. MOTOR SECTION...
Page 167 8.5. ACTUAL SIZE OF SCREWS...
Page 168 9. ACCESSORIES AND PACKING MATERIALS 10. REPLACEMENT PARTS LIST...
Page 169 Notes: 1. The marking (RTL) indicates that the Retention Time is limited for this item. After the discontinuation of this assembly in production, the item will continue to be available for a specific period of time. The retention period of availability is dependent on the type of assembly, and in accordance with the laws governing parts and product retention.
Page 170 Ref. No. Part No. Part Name & Description Remarks PFGP1213Z PANEL, LCD Not Used Not Used PFBX1171Z1 PUSH BUTTON, DIAL PFKR1025Z1 GUIDE, DOCUMENT (LEFT) PFUS1170Z TORSION SPRING, DOCUMENT LEVER PFGG1172Z1 GRILLE, OPERATION PANEL PFKR1026Z1 GUIDE, DOCUMENT (RIGHT) PFDG1015Y GEAR, DOCUMENT GUIDE PFJE1029Z LEAD WIRE PFJE1006Z...
Page 171 Ref. No. Part No. Part Name & Description Remarks PFKM1049Z1 CABINET BODY, HANDSET CRADLE PFHR1132Z COVER, HEAD PFDE1180Z GUIDE, HEAD (LEFT) PFJHS026Z PRINTER UNITS, THERMAL HEAD PFDE1181Z GUIDE, HEAD (RIGHT) PFBH1011Z1 PUSH BUTTON, HOOK PFJS11Q45Z CONNECTOR, 11 PIN PFDJ1018Z COVER, ROLLER HOLDER PFDN1032Z ROLLER, DOCUMENT FEED PFDG1122Z...
Page 172 Ref. No. Part No. Part Name & Description Remarks PFJQ1015Z DC MOTOR PFMH1069Z CHASSIS, MOTOR PLATE PFDG1119Y GEAR, IDLER A PFDE1095Z ARM, RX PFUS1062Z COIL SPRING, GEAR C PFDG1021Z GEAR, CAM PFDG1022Z GEAR, D PFDE1094Z ARM, TX PFDG1121Z GEAR, CAM PQST2A04Z SEESAW SWITCH, CAM SENSOR PFJS03Q43Z...
Page 173 Ref. No. Part No. Part Name & Description Remarks PCB1 PFWP1FT71LA DIGITAL BOARD ASS`Y (RTL) (ICs) PFVIT7E05A PFWIFT71LA IC (ROM) PQVICX58257C PFVIS80842AN PFVITC35133F PQVITC4066BF PFVIT2003APS PQVINJM4558M IC PQVINJM4558M IC (TRANSISTORS) 2SB1197K TRANSISTOR(SI) 2SA933 TRANSISTOR(SI) 2SC4155R TRANSISTOR(SI) 2SC4155R TRANSISTOR(SI) PQVTDTC114EU TRANSISTOR(SI) 2SB1322 TRANSISTOR(SI) PQVTDTC114EU TRANSISTOR(SI)
Page 174 Ref. No. Part No. Part Name & Description Remarks PFRB001251KC FUSE PFRB0031125T FUSE RESISTOR PFRB001251KC FUSE (COILS) PQLQR1RS102 COIL (COMPONENTS PARTS) PFXBV8V151JV COMPONENTS PARTS PFXBV8V151JV COMPONENTS PARTS PFXBV8V151JV COMPONENTS PARTS PFXBV8V151JV COMPONENTS PARTS PFXBV8V151JV COMPONENTS PARTS (CRYSTAL OSCILLATORS) PFVCCFS32Z CRYSTAL OSCILLATOR PFVC2073FZAT CRYSTAL OSCILLATOR PFVBKB240ZAT CRYSTAL OSCILLATOR...
Page 175 Ref. No. Part No. Part Name & Description Remarks ERJ3GEYJ122 1.2k ERJ3GEYJ821 ERJ3GEYJ472 4.7k ERJ3GEYJ912 9.1k ERJ3GEYJ103 ERJ3GEYJ103 ERJ3GEYJ331 ERJ3GEYJ104 100k ERJ3GEYJ124 120k ERJ3GEYJ105 ERJ3GEY0R00 ERJ3GEYJ103 ERJ3GEYJ102 ERJ3GEYJ105 ERJ3GEYJ563 ERJ3GEYJ103 ERJ3GEYJ243 ERJ3GEYJ243 ERJ3GEYJ753 ERJ3GEYJ473 ERJ3GEYJ433 ERJ3GEYJ224 220k ERJ3GEYJ395 3.9M ERJ3GEYJ123 ERJ3GEYJ683 ERJ3GEYJ103 ERJ3GEYJ224...
Page 176 Ref. No. Part No. Part Name & Description Remarks ERJ3GEYJ224 220k ERJ3GEYJ103 ERJ3GEYJ224 220k ERJ3GEYJ224 220k ERJ3GEYJ222 2.2k ERJ3GEYJ473 ERJ3GEYJ102 ERJ3GEY0R00 R102 ERJ3GEYJ821 R103 ERJ3GEYJ821 R104 ERJ3GEYJ821 R107 ERJ3GEYJ102 R108 ERJ3GEYJ102 R109 ERJ3GEYJ102 R110 ERJ3GEYJ102 R112 ERJ3GEYJ101 R113 ERJ3GEYJ102 R116 ERJ3GEYJ101 R117 ERJ3GEYJ102...
Page 177 Ref. No. Part No. Part Name & Description Remarks ECEA1CK101 ECUV1E104ZFV 0.1 ECEA1CK101 PQCUV1H104ZF 0.1 ECUV1H221JCV 220P ECUV1H150JCV 15P ECEA1HKS100 ECUV1E104ZFV 0.1 ECUV1H102KBV 0.001 ECUV1C104KBV 0.1 ECUV1H220JCV 22P ECUV1C104KBV 0.1 ECUV1E104ZFV 0.1 ECUV1H220JCV 22P ECUV1C104KBV 0.1 ECUV1H220JCV 22P ECUV1H222KBV 0.0022 ECUV1H221JCV 220P ECUV1C104KBV 0.1 ECUV1C104KBV 0.1...
Page 178 Ref. No. Part No. Part Name & Description Remarks PCB2 PFLP1398LAZ ANALOG BOARD ASS`Y (RTL) (ICs) PQVIMC34119D PQVINJM2904F (TRANSISTORS) 2SD1819A TRANSISTOR(SI) PQVTDTC143E TRANSISTOR(SI) (DIODES) 1SS133 DIODE(SI) 1SS133 DIODE(SI) 1SS133 DIODE(SI) MA4056 DIODE(SI) MA4056 DIODE(SI) MA4020 DIODE(SI) MA4020 DIODE(SI) (CONNECTORS AND JACKS) PQJS17A10Z CONNECTOR,17PIN PQJP02G100Z...
Page 179 PQ4R10XJ000...
Page 180 Ref. No. Part No. Part Name & Description Remarks PQ4R10XJ000 ERJ3GEY0R00 ERJ3GEY0R00 ERJ3GEYJ101 ERJ3GEYJ472 4.7k ERJ3GEYJ101 ERJ3GEYJ472 4.7k ERG2SJ121 ERDS2TJ221 ERDS1TJ473 ERDS1TJ103 ERJ3GEYJ333 ERJ3GEYJ222 2.2k ERDS2TJ471 ERJ3GEYJ563 ERJ3GEYJ563 ERJ3GEYJ114 110k ERJ3GEYJ114 110k ERDS2TJ222 2.2k ERJ3GEYJ123 ERJ3GEY0R00 ERJ3GEYJ473 ERJ3GEYJ331 ERJ3GEYJ152 1.5k ERJ3GEYJ152 1.5k ERJ3GEYJ153...
Page 181 Ref. No. Part No. Part Name & Description Remarks ECUV1C104KBV 0.1 ECUV1H181JCV 180P ECUV1E104ZFV 0.1 ECEA1HKS4R7 ECUV1C273KBV 0.027 ECUV1H182KBV 0.0018 ECUV1H102KBV 0.001 ECEA1HKS4R7 ECUV1H103KBV 0.01 ECEA1CKS100 ERJ3GEY0R00 ECUV1H103KBV 0.01 ECUV1H103KBV 0.01 ECUV1H333KBV 0.033 ECUV1H333KBV 0.033 ECUV1H271JCV 270P ERJ3GEY0R00 ECEA1CKS470 ECEA1CKS470 10.4.
Page 182 Ref. No. Part No. Part Name & Description Remarks SW11 EVQ11Y05B SPECIAL SWITCH SW12 EVQ11Y05B SPECIAL SWITCH SW13 EVQ11Y05B SPECIAL SWITCH SW14 EVQ11Y05B SPECIAL SWITCH SW15 EVQ11Y05B SPECIAL SWITCH SW16 EVQ11Y05B SPECIAL SWITCH SW17 EVQ11Y05B SPECIAL SWITCH SW18 EVQ11Y05B SPECIAL SWITCH SW19 EVQ11Y05B SPECIAL SWITCH...
Page 183 Ref. No. Part No. Part Name & Description Remarks PCB4 PFLP1227MZL POWER SUPPLY BOARD ASS'Y(RTL) (IC) IC202 PFVITA7805F (TRANSISTORS) Q101 2SK2640 TRANSISTOR(SI) Q102 2SC1741S TRANSISTOR(SI) Q201 2SC1740S TRANSISTOR(SI) (DIODES) D101 PFVD1N4005 DIODE(SI) D102 PFVD1N4005 DIODE(SI) D103 PFVD1N4005 DIODE(SI) D104 PFVD1N4005 DIODE(SI) D105 MA4030...
Page 184 Ref. No. Part No. Part Name & Description Remarks R104 PQ4R10XJ153 R105 PQ4R10XJ100 R106 ERG2SJ101 R107 ERG2SJ101 R108 ERDS2TJ104 100k R109 ERDS2TJ512 5.1k R110 ERDS2TJ220 R111 PQ4R10XJ334 330k R112 PQ4R10XJ334 330k R113 PQ4R10XJ334 330k R205 ERG2SJ681 R206 ERG2SJ681 R221 PQ4R10XJ681 R222 PQ4R10XJ472 4.7k...
Page 185 Ref. No. Part No. Part Name & Description PQZZ8K18Z CONNECTOR, 8 PIN PFZZ17K2Z CONNECTOR, 17 PIN PFZZ5K13Z CONNECTOR, 5 PIN PFZZ11K13Z CONNECTOR, 11 PIN PQZZ2K1Z CONNECTOR, 2 PIN PFZZ6K1Z CONNECTOR, 6 PIN PFZZ11K14Z CONNECTOR, 11 PIN PFZZ10K4Z CONNECTOR, 10 PIN PQZZ2K1Z CONNECTOR, 2 PIN EC10...
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 /...
Page 187 R90 Q10 C103 C106 3.3V PFUP1267ZA 24VA C101 3.3V/B 5V/B R133 R103 R102 R132 RESET1 DIGITAL BOARD (COMPONENT) KX-FT71LA-B...
Page 188 0.25A C107 C102 C60 R51 R101 TEST C27 C56 3.3V TP10 R134 R104 R136 RESET C105 TP13 0.25A TP14 TP11 PFUP1267ZA DIGITAL BOARD (BOTTOM) KX-FT71LA-B...
Page 189 PFUP1268ZA a b c d A B C 1 2 3 4 5 6 7 8 9 A B C A B C D E F G ANALOG BOARD (COMPONENT) KX-FT71LA-B...
Page 190 PFUP1268ZA JJ21 JJ57 AUTO-CH PCB-CH JJ51 JJ52 JJ15 JJ12 JJ16 JJ11 JJ17 JJ13 JJ18 JJ59 JJ19 JJ54 JJ53 JJ14 JJ20 JJ55 JJ56 ANALOG BOARD (BOTTOM) KX-FT71LA-B...
Page 191 (COMPONENT VIEW) R112 CN31 R105 R104 CN301 T101 R221 R225 PC101 R222 R223 (BOTTOM VIEW) VR201 SRF912UC PRIMARY C205 D105 D106 R109 PC101 SECONDARY Q201 C109 R110 R108 R106 D205 D107 R101 ZNR101 T101 C102 R206 POWER SUPPLY BOARD KX-FT71LA-B...
Page 192 (COMPONENT VIEW) PFUP1269ZA A B C D E F G a b c d A B C 1 2 3 4 5 6 7 8 9 A B C BLACK...
Page 193 STOP JJ26 SW26 SW10 SW18 SW15 COPY JJ27 JJ28 VOL + SW27 SW11 SW19 SW29 SW22 SW14 SW30 SW31 JJ23 MENU PREV NEXT HELP MONITOR/ SW26 SW12 SW20 SW13 SP-PHONE SW21 FAX/START/ VOL - FLASH REDIAL MUTE OPERATION BOARD KX-FT71LA-B...
Page 194 +24VF TO MOTOR 3.3V (10) MOTOR ON: 3.3V (11) (12) (13) OFF: 0V (14) (15) (16) (17) PRINTING (18) (19) +24V 23~24V (20) (21) (22) (23) (24) (25) (26) PRINTING 3.3V 4.7K (27) (28) THON (29) LATCH TO THERMAL HEAD CLOCK +3.3V THLAT...
Page 195 +3.3V A[0-17] +3.3V/BATT +24V D[0-7] +24VF A[17] A[0] A[0] D[0] D[0] A[16] 1 +24v A[1] D[1] A[1] D[1] A[15] A[2] D[2] A[2] D[2] A[14] A[3] D[3] A[3] D[3] 2 +24v A[13] A[4] D[4] A[4] D[4] A[12] 3 +24v A[5] D[5] A[5] D[5] A[11]...
Page 196 +3.3V A[0-17] +3.3V/BATT +24V D[0-7] +24VF A[17] A[0] A[0] D[0] D[0] A[16] 1 +24v A[1] D[1] A[1] D[1] A[15] A[2] D[2] A[2] D[2] A[14] A[3] D[3] A[3] D[3] 2 +24v A[13] A[4] D[4] A[4] D[4] A[12] 3 +24v A[5] D[5] A[5] D[5] A[11]...
Page 197 NO PAPER: 5V 390K PAPER: 0V R48 15K K0.033 R49 15K K0.033 +5VA +2.0V +5VA +5VD 1 HSMIC(-) 3 HSSP(+) +5VD +2.0V 2 HSSP(-) C50 [4] 4 HSMIC(+) HOOK SW 16V10 ON-HOOK: 5V OFF-HOOK: 0V ANALOG BOARD SCHEMATIC DIAGRAM KX-FT71LA-B...
Page 198 100/2 100/2 0.01 C102 C110 R108 C103 C104 100K 2200p 2200p IC202 R109 D105 D202 *(5.1K) L101 D106 R110 R113 R112 R111 PC101 330K 330K 330K ZNR101 25.5V 470V C101 Cycle=2.2µs -35V Cycle=2.2µs POWER SUPPLY BOARD SCHEMATIC DIAGRAM KX-FT71LA-B CN31...
Page 199 RECEIVE MODE COPY STOP FAX/START 3 V0 4 RS TO:DIGITAL BOARD 5 R/W KSTART 7 DB0 KIN3 8 DB1 KIN2 9 DB2 KIN1 10 DB3 KIN0 OPESEL MICIN KRXD PAPER KTXD PAPER SENSOR1 SENSOR2 KLATCH KSCLK OPERATION BOARD SCHEMATIC DIAGRAM KX-FT71LA-B...
Page 200 A,D-Bus Bottom Upper side side Component View Dipping TEST Land side (ROM) ROMCE (SRAM) RA1- RA5 TEST IC1 (ASIC) 3.3V BAT1 RAMCS...
Page 205 (Chip on board type) ASIC ANALOG SW KEYS MATRIX READ POSITION SENSOR DOCUMENT SENSOR DIGITAL BOARD OPERATION BOARD KX-FT71LA-B OPERATION BOARD:BLOCK DIAGRAM...
Page 206 FAX TX +5VD FAX RX +3.3V/BATT +5VD +5V/BATT A[0] D[0] Z0.1u +24V +3.3V +5VD A[1] D[1] A[2] D[2] 5V/BATT 3_3V/BATT 3_3V A[3] D[3] RBA[4] RBA[3] 7 +5V A[4] D[4] RBA[2] A[5] D[5] RBA[0] 6 DG A[6] D[6] R128 A[7] RBA[1] J7 NC TO MOTOR LEDON...
Page 207 +5VD D1 NC +5VD FAX TX FAX RX J220p FAX RX +5VA K0.1µ 150(2W) K0.1µ +2.0V Z0.1µ K0.01µ RLY1 POS1 220(1/4W) +5VD +5VD 250V1µ BELL DETECT 50V4.7µ 47K(1/2W) FAX TX +24V CPC DETECT +12V LINE ON/OFF, DIALPULSE +24V +5VD +5VA +24V +5VD +5VA...
Page 208 Cycle = 12.4 µs T101 Cycle = 12.4 µs TRANS R104 -55V CN301 100K/1 D201 D102 D101 D106 C202 D103 D104 R128 1000p/1K Cycle = 12.4 µs R223 C205 Q101 R105 1/50 C102 0.22/2 270V IC201 0.047 R122 C103 D107 R125 R124 1000p...
Page 209 300V -0.8V Cycle=2.2 s T101 TRANS CN301 Cycle=2.2 s D201 D102 D101 C202 D103 D104 1000p R105 G R223 C205 Q101 1/50 D107 Q102 R107 R106 C109 ZNR102 470V 100/2 100/2 0.01 C102 C110 R108 C103 C104 100K 2200p 2200p IC202 R109 D105...

Panasonic KX-FT71LA-B Service Manual

Quick Links

Related Manuals for Panasonic KX-FT71LA-B

Summary of Contents for Panasonic KX-FT71LA-B