Benutzeranleitung / Produktwartung KX-FT21RS des Produzenten Panasonic
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© 1999 Kyushu Matsushita Electric Co., Ltd. All rights reserved. Unauthorized copying a nd distribution is a violation o f law. KX-FT21R S (Russia) PA RSONA L F A CSIMILE ORDER NO.
1 INTRODUCTION 3 1.1. SAFETY PRECAUTIO NS 3 1.2. INSULATION RESISTANCE TEST 3 1.3. FOR SERVICE TECHNICIANS 3 1.4. BATTERY CAUTION 3 1.5. AC CAUTION 4 1.6. PERSONAL SAFETY PRECAUTIO N S 5 1.7. FEATURES 6 1.8. SPECIFICAT IONS 7 1.9. OPTIONAL ACCESSOR IES 7 1.
1 INTRODUCTION 1.1. SAFETY PRECAUTIONS 1. Before servicin g, unplug the AC power cord to preven t an electric shock. 2. When replacin g parts, use only the manufa cturer´s recommended components. 3. Check the conditio n o f the power cord. Replac e if wear or damag e is evident .
1.5. AC CAUTION For safety, before closing the lower cabinet , please make sure of the followin g precau tions. 4 KX- FT21R S.
1.6. PERSONAL SAFETY PRECAUTIONS 1.6.1. MOVING SECTIO NS OF THE UNIT Be careful not to let your hair, clothes , fingers , accessories, etc., becom e caught in any moving section s of the unit. The moving section s of the unit are the rollers and a gear.
Genera l · Desktop type · LCD (Liquid Crystal Display ) readou t · Help function · Copier function Facsim ile · Space Saving Compa ct Design · Resolutio n: standa rd/fine/ super fine/ha lftone .
1.8. SPECIFICATIONS Applic able Lines: Public Switche d Teleph one Networ k Docum ent Size: Max. 216 m m (8 1/2”) in width Max. 600 m m (23 5/8”) in length Effective Scann ing Width: 208mm (8 3/16”) Record ing Paper Size: 216 m m max. 30 m (8 1/2”×98 ”) roll Effective Printing Width: 208 m m (8 3/16”) Transmission Time*: Approx .
1.10. CCITT No. 1 TEST CHART 8 KX- FT21R S.
1.11. LOCATION OF CONTROLS 1.11.1. OVERVI EW 1.11.2. CONTRO L PANEL 9 KX- FT21R S.
1.12. CONNECTIONS NOTE When y ou operate this produc ts, the power outlet should be near the produc t and easily accessible. 10 KX- FT21R S.
1.13. INSTALLATION 1.13.1. INSTAL LING THE RECOR DING PAPER 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. correct incorrect Tear off the excess paper by pulling it towards you.
1.13.3. SETTING YOUR LOGO The logo can be your company , division or name. Press MENU . Display: SYSTEM SET UP Press # , then 0 2 . YOUR LOGO Press ST ART/COPY/SET . LOGO= Enter your logo, up to 30 characters, by using the dial keypad. See the next page for details.
1.13.4. To select characters with the dial keypad Pressin g the dial keys will select a charact er as shown below. 1.13.5. Docume nts you can send Note: Remove clips, staples or other similar fastenin g objects. Check that ink, paste or correct ion fluid has dried.
1.14. MAINTENANCE ITEMS AND COMPONENT LOCATIONS 1.14.1. OUTLIN E MAINT ENANC E AND REPAI RS ARE PERFORMED USING THE FOLLO WING STEPS . 1. Periodic mainte nance Inspect the equipment periodi cally and if necessary, clean an y contaminated parts. 2. Check for breakd owns Look for problems and conside r how they arose.
1.14.2.1 . MAINTE NANCE LIST 1.14.2.2 . MAINTE NANCE CYCLE 15 KX- FT21R S.
1.14.3. MAINTE NANCE 1.14.3.1 . CLEANI NG THE DOCUM ENT FEEDER UNIT If misfeed ing occurs frequen tly or if dirty patterns or black bands appear on a copied or transmitted docum ent, clean the docum ent feeder. Disconnect the power cord and the telephone line cord.
1.14.3.2 . CLEANI NG THE THERMA L HEAD If dirty pattern s or black bands appear on a copied or received docum ent, clean the therma l head. Cover open button Thermal head Caution: Do not push on the black cover Disconnect the power cord and the telephone line cord.
2 TROUBLESHOOTING GUIDE 2.1. TROUBLESHOOTING SUMMARY 2.1.1. TROUBL ESHOO TING After confirming the problem by asking the user, trouble shoot according to the instructions and observ e the followin g precau tions.
2.2. USER RECOVERABLE ERRORS If the unit detects a problem , the followin g messages will appear on the display . Note: The explana tions given in the [ ] are for service men only.
2.2.1. Docume nt Jam If the unit does not release the document during feeding, remove the jammed document as follows. Open the cover by pressing the cover open button. Remove the jammed document carefully. Close the cover securely by pushing down on both ends.
2.3. TROUBLESHOOTING DETAILS 2.3.1. OUTLIN E Trouble shootin g guide provide s a logical path of deduct ion to assist in locating a fault and sugges ts methods o f restoring the unit to full working conditio n. Use the reporte d sympto m s of the fault to determine the best trouble shootin g method .
2.3.3. Simple Check List 22 KX- FT21R S.
2.3.4. TROUBL ESHOO TING ITEMS TABLE 23 KX- FT21R S.
2.3.4.1. A DF (Auto Docume nt Feed) Section 1. No docum ent feed 24 KX- FT21R S.
2. Paper JAM 25 KX- FT21R S.
3. Multiple feed When using thick paper etc., I f the docum ent will not feed. Refer to 3 .1 . ADJUS TING THE FEED PRESS URE . 26 KX- FT21R S.
4. Skew 27 KX- FT21R S.
5. Image is distorted (When printin g) 28 KX- FT21R S.
6. Black or white vertica l lines appear 7. Skewed receivi ng image 29 KX- FT21R S.
8. Expande r print (When printin g) 9. When copyin g or printin g, an abnorm al sound is heard from the unit 30 KX- FT21R S.
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2.3.4.2. Commu nication Section Find the problem in the table shown below, and refer to the corresp onding trouble shootin g procedure in 2.3.4.2.1 . Defect ive facsimile section .
2.3.4.2.1 . Defectiv e facsimile section 1. Transm it proble m 33 KX- FT21R S.
2. Sometimes there is a transmi t proble m 34 KX- FT21R S.
3. Receptio n proble m Confirm the following before starting troubleshootin g. Is the recordi ng paper installe d properl y? There is the receiving problem when sometimes the below errors may be occurre d. OUT OF PAPER CHECK COVER Unit OVERH EATED (If it doesn´t return automa tically, COVER OPEN, etc.
4. The unit can copy, but cannot transm it/recei ve 36 KX- FT21R S.
5. Unit can copy, but cannot transm it/recei v e long distanc e or interna tional commu nicatio ns The followin g 2 causes can be conside red for this. Cause 1: The other party is executi ng automa tic dialling , the call has been receive d b y this unit, and the CED or DIS signal response time is too long.
(Cause s and Counte rmeasu res) (Cause A) When a training signal is transmitted from FAX1 during the communication proced ure at the time of transmission from FAX1 toFAX2 , there is a delay until the echo cancele r operate s. S1 is closed so that a part of the head of the training signal may dropou t.
6. The unit can copy, but t he transm ission and recept ion image is incorrect (Long distanc e or international commu nicatio n operation) This depend s widely on the transmission and recepti on capabil ity of the other FAX unit and the line conditio ns.
7. Ho w to output the Journa l Report : 40 KX- FT21R S.
TX=TR ANSMI SSION RX=RE CEPTIO N Most fax communication problem s can be resolved b y the followin g steps. a. Change the transm it level. (Servic e code: 596, refer to 2 .4.4. Servic e Functi on Table .) b. Change the TX speed/ RX speed. (Service code: 717/71 8, refer to 2 .
Countermeasu re 42 KX- FT21R S.
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2.3.4.2.2 . Remote program ming If, after the cal l is connec ted, the customer describ es the situatio n and it is determined that the problem can be correct ed by making parameter change s, this function makes it possibl e to change parameters such as the user code and service code from anothe r fax (using DTMF tones).
1. Entering the remote progra mming mode and changi ng service codes 51 KX- FT21R S.
2. Program Mode Table Code Function Set Value Default Remote setting 001 Set the date and time mm/dd/yy hh:mm --------- NG 002 Your logo --------- --------- NG 003 Your telephone number --------- ----.
Code Function Set Value Default Remote setting 994 Transmit journal report 1: START - -------- OK 996 Journal 3 1: START --------- OK 999 Transmit service list 1: START --------- OK OK : Can set the value b y the remote programming feature or print a list.
2.3.4.3. Digital Board Section One of most difficult problem s to deal with is when the system will not boot up. The sympto m : No respon se when the power is turned on.
2.3.4.3.1 . Digital Block Diagram TO CIS TO THERMAL HEAD CLK, SIG STBI-2,THLAT THCLK,THDAT 5V (IC4) RESET BACK UP ROM (IC2) A0-17 D0-7 RD KSTART,KLATCH,KSCLK,KTXD,KRXD,KIN0,KIN1,KIN2,KIN3 RS,E VOL HEAD-CTL XWDERR RD WR XRESETI A0-17 D0-7 CIS-CTL LED ON ASIC IC1 32.
The signal lines that must be normal for the system to boot up are listed here [List 1]. For signal lines other than these, even if they malfun ction they do not directly affect booting up the system .
Normal Wave Pattern s 57 KX- FT21R S.
For these reason s and the softwar e sequen ce to boot up the unit, if you use an oscillos cope to judge whethe r a signal is OK or NG, yo u 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 or DRAM normally.
After the power is turned on, the ASIC (CPU) initializ es and checks each IC. The ROM, SRAM, and Modem are checke d. If initializ ation fails fo r the ICs, the system will not boot up.
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NG Examp le 61 KX- FT21R S.
2.3.4.3.2 . 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. 62 KX- FT21R S.
2.3.4.4. Analog Board Section The analog parts check is actually differen t than the digital parts check. The signal route is determined by the purpos e of the check. For example, the handse t TX route begins from the handse t microphone and is output in the telepho ne line.
1. Defectiv e IT S (Integrated Teleph one System ) Sectio n 64 KX- FT21R S.
2.3.4.5. Power Supply Board Section 1. Ke y compo nents for trouble shooti ng Check the followin g parts first: F101, D101-D104, C106, Q101, PC101 and IC101. This comes from our experie nce with experimental tests. For example: power supply and lightnin g surge voltage test, with standin g voltage test, intentio nal short circuit test, etc.
2. Trouble shooti ng Flow Chart 66 KX- FT21R S.
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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).
2.3.4.6. Operatio n Board Section 1. No ke y operat ion 2. No LCD indicat ion 69 KX- FT21R S.
2.3.4.7. Sensor Section Refer to 6. 5. SENSO RS AN D SWITC HES for the circuit descrip tions. 1. Check the docum ent sensor (PS1)................."REMOVE DOCUM ENT" 2.
2.3.4.8. Read Section Refer to 6.4.4. SCANN ING BLOCK . 71 KX- FT21R S.
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2.3.4.9. Therma l Head Section Refer to 6.4.3. THERM A L HEAD . 73 KX- FT21R S.
2.4. PROGRAMMING AND LISTS The program ming function s are used to program the various features and function s of the machin e, and to test the machin e. Programming can be done in both the on-hoo k and off-hoo k conditio ns. This facilitat es commu nication betwee n the user and the service while programming the machine.
2.4.3. USER MODE (The list below is an example of the SYSTEM SETUP LIST the unit prints out.) Note: The above values are the default values. 75 KX- FT21R S.
2.4.4. SERVIC E FUNCTI ON TABLE Code Function Set Value Effective Range Default Remarks 501 Setting the pause time 001~600 × 100 msec 001~600 05000 msec Selects the pause time in 100 msec steps. 502 Setting the flash recall time 01~99 × 10 msec 01~99 700 msec Selects the line break time during flashing in 10 msec steps.
Code Function Set Value Effective Range Default Remarks 718 Receive speed select 1:9600BPS 2:7200BPS 3:4800BPS 4:2400BPS 1~4 9600 BPS Adjusts the speed to start training during FAX reception. 719 Ringer off in TEL/FAX mode 1:ON 2:OFF 1, 2 ON Sets the ringer switch off when a call is received in the TEL/FAX mode.
2.4.6. OTHER 78 KX- FT21R S.
2.5. TEST FUNCTIONS 79 KX- FT21R S.
2.5.1. DTMF SIGNAL TONE TRANSM IT SELECT ION Note: After perform ing this check, do not forget to turn the setting off. Otherwise, dialing using DTMF will not be possibl e. 2.5.2. BUTTON CODE TABLE Note: These codes (00, 01) are only f or the data in the History Report .
2.6. JOURNAL 3 Descri ptions : 1. ENCODE Compression Code: MH/MR 2. MSLT MSLT means Minimu m Scan Line Time. Used only at the factory . 3. RESOLU TION Indicate s the resolut ion of the commu nication . If multiple pages are transmitted or receive d, it indicate s the last page´s resolution.
2.6.1. PRINTOUT EXAMPL E 82 KX- FT21R S.
3 ADJUSTMENTS 3.1. ADJUSTING THE FEED PRESSURE If no feeding or multiple feeding occurs frequen tly, adjust the feeder pressu re. 1. Open the front lid by pressin g the front lid open. 2. Shift the position of the lever using an instrument with a pointed end, such as paper clip.
4 DISASSEMB LY INSTRUCTIO NS 84 KX- FT21R S.
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5 HO W TO REPLACE THE FLAT PACKAGE IC If yo u do not have the special tools (for example: SPOT HEATE R) to remove the SPOT HEATE R´S Flat IC, if y ou have solder (large amount ), a solderin g iron, and a cutter knife, you can easil y remove the ICs even if there are more than 100 pins.
5.3. FLAT PACKAGE IC INSTALLATION PROCEDURE 5.4. BRIDGE MODIFICATION PROCEDURE 96 KX- FT21R S.
6 CIRCUIT OPERATIONS 6.1. CONNECTION DIAGRAM +24V +24V +24V GND GND GND +5V NC COM LA TCH STB1 GND VDD TH CLOCK GND STR2 SI COM A B NA NB CO M OTO R SENSOR V .
6.2. GENERAL BLOCK DIAGRAM The control section will be explain ed as shown in the block diagram . 1. ASIC (IC1) Composed mainly of an addres s decode r, modem control section , CPU and RTC. Controls the genera l FA X operati ons. Controls the operati on panel I/F.
6.2.1. General Block Diagram ANALOG BOARD DIGITAL BOARD POWER SUPPLY OPERATION PANEL ASIC LINE EXT. TEL BELL PAPER HOOK HANDSET 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 AC220V +5V 5V +5V MODEM REG MOS SW 3.
6.3. CONTROL SECTION 6.3.1. BLOCK DIAGRA M TO CIS TO THERMAL HEAD CLK, SIG STBI-2,THLAT THCLK,THDAT 5V (IC4) RESET BACK UP ROM (IC2) A0-17 D0-7 RD KSTART,KLATCH,KSCLK,KTXD,KRXD,KIN0,KIN1,KIN2,KIN3 RS,E VOL HEAD-CTL XWDERR RD WR XRESETI A0-17 D0-7 CIS-CTL LED ON ASIC IC1 32.
6.3.2. ASIC (IC1) This custom IC is used for general FAX operati ons. 1. CPU This model uses a Z80 equivalent CPU operating at 6MHz. Many o f th e periphe ral function s are handle d by custom designe d LSIS. As a result, the CP U only needs to process the result.
Pin Pin Name Buffer Power supply 5V Tolerant Signal Name I/O Description 26 IRDATXD/IO P 81 3.3V YES OPEN O Not used 27 IRDARXD/IO P80 3.3V YES OPEN O Not used 28 TXD/IOP30 3.3V YES BREAK O TEL Line Break Control 29 RXD/IOP31 3.3V YES H/S ALC I Not used (Hardware Control) 30 XRTS/IOP32 3.
Pin Pin Name Buffer Power supply 5V Tolerant Signal Name I/O Description 93 TEST3 3.3V NO +3.3V Test pin. fixed High 94 XOUT 3.3V - XOUT 24MHz oscillator 95 XIN 3.3V NO XIN 24MHz oscillator 96 VSS DG Ground 97 3.3V +3.3V Power supply 98 TEST4 3.3V NO +3.
Pin Pin Name Buffer Power supply 5V Tolerant Signal Name I/O Description 160 STB2 MULT3/5 NO STB2 O Thermal head strobe 2 161 STB3 MULT3/5 NO OPEN O Not used 162 STB4 MULT3/5 NO OPEN O Not used 163 TH.
6.3.3. ROM (IC2) This 128 KB ROM (OTPR OM or MASKROM) has 32 KB of common area and bank area (BK4~B K15). The capacit y of each bank is 8 KB. The addres ses of the common area are from 0000H to 7FFFH , and addresses 8000H to 9FFFH are for the bank area.
6.3.6. SRAM a nd R TC BACK U P CIRCUIT 1. Functio n This unit has a lithium battery (BAT1) which works for the RAM (IC3) and Real Time Clock (RTC, Integrated into ASIC:IC 1). The user parame ter for auto dial numbe rs, the transmission ID, the system setup date and so on are stored in the RAM (IC3).
6.3.7. SUPERV ISION CIRCUIT FOR THE THERMA L HEAD TEMPER ATURE 1. Functio n The thermis tor change s the resistor accord ing to the temperature and uses the thermis tor´s characteristics . The output of pin 193 of IC1 becom es a low level. Then when it becomes a high level, it triggers point (A).
6.3.8. LED ARRAY( CIS) The LED ARRAY will light during transmission and copying as a light source to recogn ize docum ent charac ters, pattern s, or graphics on a document.
6.4. FACSIMILE SECTION 6.4.1. IMAGE DATA FLOW DURING FACSIM ILE OPERAT ION COPY (Fine, Super- Fine, Half Tone) 1. Line informa tion is read by CIS, via route (1), and is input to IC1.
6.4.2. Block Diagram IC3 RAM IC2 ROM (11) (12) SYSTEM BUS Analog Front/End NCU TEL.LINE P/S CONVERTER THERMAL HEAD (15) (14) CPU RAM MODEM IMAGE PROCESSING SECTION A D ANALOG SIGNAL CONTACT IMAGE SENS.
6.4.3. THERMA L HEAD 1. Functio n This unit utilizes state of the art thermal printer technology. The recording paper (roll paper) i s chemic ally processed. When the thermal head contact s this paper it emits heat momen tarily, and black dots (appea ring like points) are printed on the paper.
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6.4.4. SCANNI NG BLOCK The scannin g 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 photoe lectric conver sion element s. When an origina l is inserted and the start button presse d, pin 154 of IC1 goes to a high level and the transist or inside IC7 turns on.
6.4.5. STEPPI NG MOTOR DRIVE CIRCUIT 1. Functio n One individu al steppin g motor is used for transm ission and recepti on. It feeds the docum ent or recordi ng paper synchro nized for reading or printing . 2. Circuit Operat ion During motor drive, gate array IC1 pin 153 becom es a high level, and Q14 and Q7 go ON as a result.
6.4.6. GEAR SECTIO N This section shows how the motor-d riven gear mecha nism works in the main operations: FAX transmission, FAX reception the motor and copying .
6.4.6.2. Mode Operatio n Once a mode is selected, the Drive Motor Gear rotates clockw ise (CW) an d then the Swing Gear A-1 controls the mode operati on. A : Transm it mode Swing Gear A-1 engage s G6 and convey s its drive power to the Separa tion Roller Gear for pre-fee ding docum ents.
6.4.6.3.2 . Scannin g 6.4.6.3.3 . Printing Note: See 6.5. SENSE RS AND SWITCHES . 117 KX- FT21R S.
6.4.6.3.4 . Copying 118 KX- FT21R S.
6.5. SENSORS AND SWITCHES All of the sensor and switche s are shown below. Sensor Circuit Location Sensor Sensor or Switch Name Message Error Digital SW3 Motor Position ———— Analog SW1 Cover O.
6.5.1. Motor Position Sensor This sensor is a detectio n switch for recordi ng the position of the CAM. Digital Board Signal (IC1-174 Pin) Home position Low level Other High level 6.5.2. Recordi ng Paper Sensor (SW201 ) When there is no recording paper, the plate is separa ted from the switch lever and the switch turns off.
6.5.3. Read Position Sensor (PS2) When a docum ent is brought to the read position , the shelter plate passes the sensor light, the photo transist or becomes ON, and the input signal of the CN2-3 pin (Operation) becomes a low level.
6.6. MODEM SECTION 6.6.1. FUNCTI ON The unit uses a 1 chip modem (IC1), enablin g it to act as an interfac e betwee n the control section for FAX sending and receivin g, and the telepho ne line. During a sending operati on, the digital image signals are modula ted and sent to the telepho ne line.
Phase D is the proced ure for confirming that the messag e is completed and receive d. For continu ous transm ission, phase B or phase C are repeate d for transmission. Phase E : Call retrieva l Phase E is the proced ure for call retrieva l, that is for circuit disconn ection.
Explan ation of Signals Control signals are comprised mainly of 8-bit identific ation signals and of the data signals added to them. Data signals are added to DIS and DCS signals . Signal. ....DIS (Digital Identific ation Signal) Identific ation Signal Format .
Bit No. DIS/DTC DCS 17, 18 (0, 0) (0, 1) (1, 0) (1, 1) Recording width capabilities 1728 picture elements along scan line length of 215 mm ± 1% 1728 picture elements along scan line length of 215 mm .
Note 2 - Standa rd facsimile units conform ing to T.3 must have the followin g capabil ity: Index of cooper ation (IOC)=264. Note 3 - Standa rd facsimile units conform ing to T.
b. Redund ancy Compr ession Proces s Coding Mode This unit uses one-dim ensiona l MH format. 127 KX- FT21R S.
6.6.2. MODEM CIRCUIT OPERAT ION The ASIC (IC1) has all the hardwa re satisfyi ng the ITU-T standa rds mentio ned previou sly. The modem is include d in IC1. The signal commu nicates with the TEL line through the analog front end IC (IC5) of digital/a nalog, analog /digital conver tor.
6.7. Analog Unit Block Diagram C228 C229 Analog Board Digital Board R232 R233 R235 R234 R18 R19 PC5 T101 RLY1 LF1 +24VD 6 3 7 5 2 4 +5VD PC1 Q4 Q7 R15 R12 R13 C9 C8 Q3 POS1 CN1 CN2 SA1 F1 SA2 Q2 RLY1 .
6.8. NCU SECTION 6.8.1. GENER A L This section is the interface betwee n the telepho ne line and externa l telepho ne. It is composed of an EXT. TEL Line relay (RLY1) , bell detectio n circuit, EXT TEL selectio n circuit, pulse dialing circuit, line amplifie r, sideton e circuits and multiple xer.
6.8.5. LINE AMPLIF IER A ND SIDE TONE CIRCUIT S 1. Circuit Operat ion The recepti on signal received as output from line transfo rmer T101 is given as input to R104, C107, R112, and IC101 (8). Then it is input to the recepti on system at an amplifie r gain of 5.
6.9. ITS (Integrated telephone System) and MONITOR SECTION 6.9.1. GENER A L During the monito r operati on, the speake r output passes through the power amplifie r (IC102 ) [Analog board]. The DTMF signal is output from the modem (IC1: digital board).
6.10. EXT. TEL EXT. TEL JACK is provided fo r the externa l TEL connec tion. Connec t the telepho ne t o the EXT. TEL JACK. Becaus e the unit (FT21) has the priority , EXT. TEL is disconn ected when the unit is OFF-HOOK. 1. EXT. TEL DC LOOP (Signal Path) b → POS1 → LF1 → RLY1 (3 ) → RLY1 (2) → L5 → EXT.
6.10.1. Circuit Diagram C228 C229 Analog Board Digital Board R232 R233 R235 R234 R18 R19 PC5 T101 RLY1 LF1 +24VD 6 3 7 5 2 4 +5VD PC1 Q4 Q7 R15 R12 R13 C9 C8 Q3 POS1 CN1 CN2 SA1 F1 SA2 Q2 RLY1 RELAY B.
6.11. OPERATION PANEL The unit consist s of an LCD (Liquid crystal display ) , KEYs, photo interrup ters (senso r), and analog switche s (for key scan). The key scan (analog switch control , reading ), sensor detectio n (senso r control, reading ) and LCD control are all control led b y I/O of ASIC (IC1) on the digital board.
6.11.2. SENSOR DETECT ION When CN1(8) (OPSE L) is "L", the detectio n of the docum ent sensor and read start position sensor are availab le. 6.11.3. LCD CONTRO L "KTXD ", "KSCL K", "KLATC H" and "KSTA RT" are sent as D4~D7 to control the LCD.
6.12. POWER SUPPLY BOARD SECTION This power supply board uses the switchi ng regulator method. [Input Circuit] The input current goes into the input rectifier circuit through the filter circuit. The filter circuit decrea ses the noise voltage and the noise electric field strength.
The followin g is an overview of how the power supply unit is control led. The control method of this power supply unit is pulse width modula tion. When Q 1 is ON, the energy is charge d in the transformer primary coil accord ing to E 1 . When Q 1 is OFF, the energy is output from the second ary transfo rmer as follows .
[Surge Absorb er Circuit] This circuit is for absorbing surge voltage genera ted by the transfo rmer. [Control Circuit and Detect ing Circuit ] The control circuit amplifie s the output with increas ed voltage detecte d in the error detectin g circuit.
7 F OR THE SCHEMATIC DIAGRAMS Note: 1. DC voltage measu rement s are taken with an oscillos cope or a tester with a ground . 2. The schema tic diagram s and circuit board may be modifie d at any time with the develop ment of new techno logy.
8 PRINTED CIRCUIT BOARD 8.1. PRINTED CIRCUIT BOARD (DIGITAL BOARD): COMPONENT VIEW PIN1 L19 CN6 CN7 F3 D3 Q7 R64 C12 18 9 16 C6 C4 C11 208 1 62 63 L17 C15 C18 C40 R93 R95 R110 R97 R96 R109 R35 C57 C83.
8.2. PRINTED CIRCUIT BOARD (DIGITAL BOARD): BOTTOM VIEW C68 C71 R74 C76 58 41 C74 R73 D2 D4 C90 R77 R78 R82 Q9 L18 R85 R86 R65 R98 J2 J3 C2 C8 C3 R2 R80 C41 IC5 IC3 14 1 15 28 1 8 16 9 C38 R27 R37 R25.
8.3. PRINTED CIRCUIT BOARD (ANALOG BOARD): COMPONENT VIEW JP8 D104 D103 D2 SW201 SW202 RLY1 R19 R18 R21 C11 C15 SA1 SA2 POS1 ZNR1 L6 L5 F1 L1 D6 JP6 D5 PC4 PC5 PC1 C230 C231 C106 C225 CN101 T101 2 1 I.
8.4. PRINTED CIRCUIT BOARD (ANALOG BOARD): BOTTOM VIEW PFUP1182ZA C209 C210 R209 R219 R215 L203 R222 Q203 Q204 Q101 IC201 IC102 R122 8 5 1 4 Q201 R207 R208 C216 R220 R216 R223 L201 L204 C232 C202 C233.
8.5. PRINTED CIRCUIT BOARD (SWITCHING POWER SUPPLY) CAUTION FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. REPLACE ONLY WITH SAME TYPE AND RATINGS OF FUSE ( F101 ) T3.
8.6. PRINTED CIRCUIT BOARD (OPERATION BOARD) SW6 SW22 SW29 SW14 SW3 SW7 SW13 SW28 SW18 SW10 SW17 SW2 SW24 SW21 SW25 J42 J41 J32 J37 J15 J16 J2 J29 J22 J14 J19 J35 J34 J38 J21 J20 J30 J46 J1 J9 J8 J28 .
9 SCHEMATIC DIAGRAM 9.1. SCHEMATIC DIAGRAM (DIGITAL CIRCUIT) CIS LED ARRAY ON: 3.3V T5 3.3V 0V T4 T3 T2 OFF: 0V MOTOR ON: 3.3V OFF: 0V PRINTING LATCH STB1 THERMAL HEAD TEMP STB2 DATA CLOCK 5V 0V 5V 0V 5V 0V 23~24V PRINTING 3.
9.2. SCHEMATIC DIAGRAM (ANALOG CIRCUIT) FAX RX, TEL TALK 2V FAX RX, HANDSET TX NO PAPER: 5V PAPER: 0V FAX TX FAX RX 12V 2V 2.1V 0V 3.3V LINE ON/OFF, DIALPULSE BELL DETECT 5V 0V KX-FT21RS 148.
9.3. SCHEMATIC DIAGRAM (SWITCHING POWER SUPPLY) D102 C102 0.1 D202 IC202 PC101 R223 100 C205 1/(50V) CN301 1 2 3 4 5 6 7 8 24V 24V 24V GND GND GND 5V GND C202 D201 T101 TRANS 1000p/(1KV) G D S Q101 D108 D107 10K R125 R108 15 C103 L101 R101 1M 1/(2W) C101 0.
9.4. SCHEMATIC DIAGRAM (OPERATION CIRCUIT) OV/3.3V/5V 5V 0V 5V 0V 5V 0V PAPER 5V Document sensor sensor NO PAPER 0V Read position 5V 0V SENSOR SCAN 5V KEY SCAN 0V KX-FT21RS 150.
10 TERMINAL GUIDE OF THE IC´S TRANSISTORS AND DIODES 151 KX- FT21R S.
11 FIXTURES AND TOOLS 152 KX- FT21R S.
12 CABINET, MECHANICAL AND ELECTRICAL PARTS LOCATION 12.1. OPERATION PANEL SECTION 153 KX- FT21R S.
12.2. UPPER CABINET SECTION 154 KX- FT21R S.
12.3. LOWER CABINET/P.C.B. SECTION 155 KX- FT21R S.
12.4. MOTOR SECTION Note: Make sure that Gears 1, 2 and 3 are installed face up. (The produc t number is put on the face.) 156 KX- FT21R S.
12.5. ACTUAL SIZE OF SCREWS AND WASHER 157 KX- FT21R S.
13 ACCESSORIES AND PACKING MATERIALS 158 KX- FT21R S.
This replace ment parts list is for KX-FT2 1RS only. Refer to the simplifi ed manua l (cover) for other areas. Notes: 1. The marking (RTL) indicate s that the Retenti on Time is limited for this item. After the discont inuation of this assemb l y in produc tion, the item will continu e to be availab le for a specific period of time.
Ref. No. Part No. Part Name & Description Remarks 108 PFDE1097Z LEVER PAPER SENSOR 109 PFUS1214Z SPRING, EARTH 110 KR06TT251508 FFERRITE CORE 111 PQLB1E1 FFERRITE CORE 112 KR06TT251508 FFERRITE CORE 113 PQHR136Z CLAMPER 114 PFHX1340Z BOTTOM PLATE SHEET (14.
Ref. No. Part No. Part Name & Description Remarks (RESISTORS) J2 ERJ3GEY0R00 0 J4 ERJ3GEY0R00 0 J5 ERJ6GEY0R00 0 J6 ERJ6GEY0R00 0 J7 ERJ6GEY0R00 0 J8 ERJ8GEY0R00 0 J9 ERJ8GEY0R00 0 L3 ERJ3GEY0R00 .
Ref. No. Part No. Part Name & Description Remarks C1 ECUV1H104ZFV 0.1 S C2 ECUV1H104ZFV 0.1 S C3 ECUV1H104ZFV 0.1 S C4 ECUV1C104KBV 0.1 C6 ECUV1H104ZFV 0.1 S C8 ECUV1H104ZFV 0.1 S C10 ECUV1H104ZFV 0.1 S C11 ECUV1H104ZFV 0.1 S C12 ECUV1H104ZFV 0.1 S C13 ECUV1H100DCV 10P C14 ECUV1H150JCV 15P C15 ECUV1H102KBV 0.
Ref. No. Part No. Part Name & Description Remarks (PHOTO ELECTRIC TRANSDUCERS) PC1 PQVIPS2532- 1 PHOTO ELECTRIC TRANSDUCER S PC5 PQVIPC814K PHOTO ELECTRIC TRANSDUCER (THERMISTOR) POS1 PFRT002 THER.
Ref. No. Part No. Part Name & Description Remarks C114 ECUV1C104KBV 0.1 C115 ECUV1H332KBV 0.0033 C116 ECUV1H103KBV 0.01 C117 ECUV1H102KBV 0.001 C120 ECEA1CK101 100 S C121 ECUV1H102KBV 0.001 C122 ECEA1HKS4R7 4.7 C125 ECUV1C104KBV 0.1 C126 ECUV1C104KBV 0.
Ref. No. Part No. Part Name & Description Remarks SW26 EVQ11Y05B SPECIAL SWITCH SW27 EVQ11Y05B SPECIAL SWITCH SW28 EVQ11Y05B SPECIAL SWITCH SW29 EVQ11Y05B SPECIAL SWITCH SW30 EVQ11Y05B SPECIAL SWITCH 14.5. POWER SUPPLY BOARD PARTS Ref. No. Part No.
Ref. No. Part No. Part Name & Description Remarks (OTHERS) T101 ETS29AK428AC TRANSFORMER TH101 PFRRT09L8R2F THERMISTOR S 14.6. FIXTURES AND TOOLS Ref.
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