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Summary of Contents for SF11OT

Page 1: ...tions 2 Specification 3 Operating Instructions 4 Disassembly and Reassembly 5 Circuit Description 6 Troubleshooting 7 Exploded Views and Parts List 8 Electrical Parts List 9 PCB Diagrams 10 Block Diagram 11 Wiring Diagram 12 Schematic Diagrams ...

Page 2: ... original specifications Always determine the cause of damage or overheating and correct any potential hazards Observe the original lead dress especially near sharp edges AC and high voltage power supplies Always inspect for pinched out of place or frayed wiring Do not change the spacing between components and the printed circuit board 7 Product Safety Notice Some electrical and mechanical parts h...

Page 3: ...e Some solder removal devices not classified as anti static can generate electrical charges sufficient to damage ESDs Do not use Freon propelled chemicals When sprayed these can generate electrical charges sufficient to damage ESDs Do not remove a replacement ESD from its protective packaging until immediately before installing it Most replacement ESDs are packaged with all leads shorted together ...

Page 4: ...ical Stepping motor Horizontal 203 pels in 8 dots mm Standard 3 85 lines mm 98 lines in Vertical Fine 7 7 lines mm 196 lines in Super Fine 15 4 lines mm 392 lines in 2 2 Receiver Parameter Specification Coding Scheme MH Modified Huffman Recording Paper Size 216 mm x 30 m core 12 7 mm diametre Effective Recording Width 208 mm Recording Method Solid state Thermal Printing Head Horizontal 8 dots mm 2...

Page 5: ...edance 2100 Hz CED 300 bps FSK 0 dBm to 15 dBm O O I 3 dBm adjustable in 1 dB steps 0 dBm to 43 dBm and 5 dBm to 48 dBm 600 ohm f 30 2 4 Others r Parameter Specification Dialling Signal Dialling Method Memory Capacity Power Requirement DP DTMF Memory dialling Redialling 5 memory dial power on Check power label attached near the power cord connection Power Consumption 1 Stand by 7 Watt In use Max 1...

Page 6: ...uper fine mode CONFIRMATION REPORT PRINTOUT Select whether a confirmation report prints each time a user sends a fax YES The machine prints out the report automatically after each fax sent ERROR The machine prints a report only when there is an error NO The machine does not print the report automatically User can print the list on demand RING BEFORE ANSWER Select the number of rings the machine al...

Page 7: ...n change the middle numbers from 0 to 9 The machine doesn t accept double character codes ex 119 229 etc as passwords because line conditions can occasionally make the machine fail to recognize a double digit code Enter the characters you want to use then press START BATTERY ALARM You can turn on the battery alarm feature With this feature on the machine displays the low battery message in the LCD...

Page 8: ...t the time from 1 set to 9 set 1 to 9 The machine must receive a ring signal with a specified active time from a telephone exchange in automatic reception mode In this case the detection time that the machine agrees to be valid the inputed ring signal is changeable by this option If the activation time of ring signal is below of the set value of the ring on check time the machine can not detect th...

Page 9: ...pattern and check the heating element of TPH with this test pattern Figure 3 1 is a sample test pattern Figure 3 1 TPH Test Pattern CIS TEST You can check the scanning elements of the CIS Contact Image Sensor and print a shading waveform graphically with dots The graph waveform will resemble figure 3 2 below CIS TEST i i Figure 3 2 CIS Shading Waveform I 3 4 Samsung Electronics ...

Page 10: ...l through the list of reports by pressing or 4 When a desired report is selected press START COPY CI CONFIRMATION REPORT Shows the last transmission result VOICE STATUS REPORT m Shows the status of the recorded voice messages TRANSMISSION TOURNAL Shows information about faxes sent RECEPTION IOURNAL Shows information about faxes received TELEPHONE NUMBER LIST Lists all numbers stored in the machine...

Page 11: ...llowing reasons PAPER JAM SEND ERROR or RECEIVE ERROR In service mode the display shows all error messages available in user mode as well as additional error messages not available in user mode Error messages shown in service mode only are as follows PRE MESSAGE ERROR problem occurred during phase B of session MESSAGE ERROR problem occurred during phase C of session POST MESSAGE ERROR problem occu...

Page 12: ...ord modular plug from the machine l Remove the two rubber dummies from the holes and loosen the two screws l Push the upper cover in the direction of arrow to remove 1c Figure 4 1 4 2 TX Guide White Roller l Open the operation unit assembly l Disengage the stopper l Remove TX guide c w l Remove white roller Figure 4 2 Samsung Electronics 4 l ...

Page 13: ...ift the top cover as shown in the direction of the arrow Figure 4 3 4 4 OPE Unit l Disconnect the harnesses from the Main PBA l Loosen the two screws fastening the Main PBA l Disconnect the harnesses from the LIU PBA l Remove the OPE unit from the base unit Main PCB Figure 4 4 4 2 Samsung Electronics ...

Page 14: ...fully lift the OPE cover in the direction of the arrow as shown Figure 4 5 4 5 Main Frame l Loosen the screw fastening the power supply and earth harness l Loosen the five screws fastening the main frame assembly l Lift the main frame assembly and D DET sensor PBA Figure 4 6 Samsung Electronics 4 3 ...

Page 15: ...Disassembly Instruction 4 6 LIU PBA POWER SUPPLY l Loosen the six screws fastening the LIU PBA and Power Supply unit l Lift the LIU PBA and Power Supply unit Figure 4 7 4 4 Samsung Electronics ...

Page 16: ...RTC image sensor motor driver controller Thermal Print head controller IFC including I O port and system reset circuit 5 2 l Memory Map The external memory of the CPU is divided into 32kB RAM OOOOH through SOOOH and 64kB ROM FFOOOOH through FFFFFFH c c c FFFFFF FOOOOO OFFFFF 000000 ROMcsn Not Available CSOn Reserved Setup Registers Operational Registers OOFDFF OOFDCO OOFD80 OOFDOO OOFEFF OOFEEO OO...

Page 17: ...nternal clock frequency is generated by dividing the 12 MHz system clock from MODEM by two inside the MODEM CSO RAM chip select active low ROMCS ROM chip select active low MCS MODEM chip select active low DO D7 8 bit data bus A0 A19 address bus COMMUNICATION PRINTER DATA CONTROL AND SENSORS STB O 3 I PDAT 1 PCLK PLAT THADI IFC XFC 6 RTC CRYSTAL IROMCS c IRAMCS IRDIWR E X T E R N A L BUS DO D7 AO A...

Page 18: ...ONTHS YEARS I I LEAP YEAR DECODER 1 DRIVER 1 Figure 5 3 RTC Block Diagram 5 2 5 Print Control The PCLK and PDAT signals synchronise serial print data to the TPH PLAT latches TPH serial print data to the TPH from a shift register through PDAT STBl STB4 enable TPH printing in four sequential intervals This system has a lOms Line printing format and determines STB High Low enable status according to ...

Page 19: ...inates as an output signal from the TPH It then supplies the proper strobe pulse to the TPH The thermistor input voltage THDI operates within a range of 1 to 4v Counter Clock i Comparator THDI t m m B 0 DAC out 6 MSBs c Battery Figure 5 5 ADC Block Diagram THDl I I I GND5 Approximate values TPH Temperature of R28 and R29 can be calculated from the following formulas R28 0 25 x R29 x Rth Tl R29 Rth...

Page 20: ...Receiver Transmitter SART controls serial data transmission between the main circuit board and the operator panel CPU Bus SclkCtrlLo SclkCtrlHi Band Gen 8x SartlRQ Tx Rx Control IRQ control t 4 SARTCmd RxShift Reg 4 1 SARTData RxBuffer Figure 5 7 SART Block Diagram j SCLK 4 RXD Samsung Electronics ...

Page 21: ...or determined by the shading wave and intermediate mode Shading Correction 0 I Inversion Shade RAM Table Q a a 8x6 0 _ _ _ _ A _ Mutiplier k p FADC 6 i O External Gray Scale Image I ____________ a Texf mode image 1 I enhancement 0 Inversion Table Enabled ShTbEnb Shading Enabled ShadeEnb Edge Enhancement Enabled EdgeEnhEnb Dynamic Background and Contrast Control Enabled DBCCErr External Video Proce...

Page 22: ...ld be high and MUXB low For half tone MUXA is low and MUXB is high XFC B External Circuits Shading RAM Scanner Image Processing z External i RAM i Line Buffer i RAM i J r l Scanner Figure 5 9 Scanner Interface Block Diagram 5 2 10 CIS Driver The CIS driver clock frequency is 250 kHz A 75 duty cycle is used to lengthen the charging time A start signal is provided every 10 ms to match the line scann...

Page 23: ...LE 0 CML RELAY ON FAX CML RELAY OFF TEL 0 DSP HIGH BYTE SELECT DSP LOW BYTE SELECT I RING DETECT I DSP ACKNOWLEDGE 0 MODEM TX PATH DSP OGM TX PATH I MODE DETECT SENSOR OPEN MODE DETECT SENSOR CLOSE I 0 TPH TEMPARATURE CHECK DTAD BACK UP BATTERY CHECK 0 MIC OFF MIC OFF 0 ICM RECORD PATH ICM RECORD PATH SIO SIO OPE MICOM TX SIO OPE MICOM TX 0 DSP RESET I DSP DATA PUMP DISABLE DSP DATA PUMP ENABLE 0 ...

Page 24: ...battery powered logic when system power is supplied POWER MONITOR ok TSTCLK Watchdog Reset XOUT t Power up Delay 2 8 TSTCLKS 1 2 Reset clocks R S TO ntemal logic Clock enable w BATRSTn j Lockout loCkout b to battery BadwpConllg register reset set mstate Trlstate t Control t Figure 5 12 Power Reset Block Diagram If 5V power to KIA7045P drops to between 4 65 and 4 35V typically 4 5V power failure wi...

Page 25: ...e DTMF tones TX OUT is the MODEM output port and RX IN is the input port PORI is the IFC signal which enables MODEM initialisation at system power on DO D7 are data buses RSO RS4 are internal register select signals which determine the mode MCS is the chip select signal RD and WR are the read and write control signals RLSD is used for v 24 interface related signals and MIRQ is the MODEM interrupt ...

Page 26: ... converts the digital signal from voice coprocessor into analog for line output Incoming signals from line are stored in the voice memory 4 M DRAM through CODEC and DSPG DRAM controller When played DSPG processes the data stored in voice memory and sends it out to LIU through CODEC and R108 To playback through the speaker DSPG sends the signal to speaker through R108 MUX U12 U14 and op amp 5 5 2 M...

Page 27: ...ternal high power shunt transistor for synthesizing AC and DC impedances l DC conditions Normal operating mode is from 15 mA to 100 mA An operating mode with reduced performance is 5 mA to 15 mA In the line hold range from 0 mA to 5 mA the device is in a power down mode and the voltage at U201 pin 37 LI Line Input port is reduced to a maximum of 3 5 V The DC characteristic is determinedby the volt...

Page 28: ...3 basic melody frequencies are Fl 880 Hz F2 1067 Hz and F3 1333Hz The repetition rate is set to 4 which means that the sequence of Fl F2 F3 Fl F2 F3 is repeated 4 times per second MF DIAL l U201 pin 2 DMS Dial Mode Selection port is set by T P switch SW202 l MF signal appears tone level of low group typical 14 dBm at U201 pin 4 MFO DTMF Generator Output This signal is levelled by c 9 R248 R250 and...

Page 29: ... No Power Operation key matrix output l U300 pin 4 RX DATA is UART data to MAIN PBA l Display from controller is received at U300 pin 5 TX DATA l LCD drive signals are U300 P2 X pin group connector pin P2 1 P2 3 l Machine status LED drive signals are U300 PO X pin group Paper empty sensor staturs delivers to U300 pin 39 High paper empty Low paper exists i 4 MICOM Z 8601 UART 2 Connector Reset a qz...

Page 30: ...T 6 Troubleshooting 6 1 Overall Troubleshooting Flow Plug in the power cord f Load document in feeder Push START Key OGM Recording Call machine from another phone Samsung Electronics 6 l ...

Page 31: ...Troubleshooting 6 2 Samsung Electronic ...

Page 32: ...heck Power Supply IF Check AC socket Connect as required Notify customer Check Cl2 Voltage Replace Cord Replace Fuse Replace Fuse Check Ul waveform d Check Ul output waveform Replace Ul Remove short Samsung Electronics 6 3 ...

Page 33: ...Troubleshooting 6 2 l N o 5V Check U2 Input voltage Check CON 1 Check PCB Pattern Replace U2 6 2 2 No 12 V Check CON1 Check PCB Pattern Replace U3 6 4 Samsung Electronics ...

Page 34: ...bleshooting 6 2 3 No 12 V Check U4 Input voltage Remove short Replace D4 Check CON1 pii Check PCB Pattern Replace U4 f 7 6 2 4 No 24V Remove short Replace D3 Cl2 Discharged Check CON1 x Samsung Electronics ...

Page 35: ...Troubleshooting 6 2 5 24 V TPH Doesn t output y c Remove short 1 i 6 6 Samsung Electronics ...

Page 36: ...Troubleshooting 6 3 System Not Initialized Start 7 f Check vcc 2 4 75 v Pl 10 5V Pl 11 12 GND5 Replace U3 Voltage detector IC N Clock Ul 133 Clock UlO 69 Replace Xl XTAL Samsung Electronics 6 7 ...

Page 37: ...Troubleshooting Continued 23 End 6 8 Samsung Electronics ...

Page 38: ...I rourxesnoorlny 6 4 Document Not Loading Start w Insert Document Replace D DET PBA See Section 6 2 I Replace Ul I Samsung Electronics 6 9 ...

Page 39: ...Troubleshooting 6 5 No Copy Mode Operation yL Reloading Document Replace Main PBA Replace Ul Replace U2 See Section 6 2 Replace Ul Replace U4 6 10 Samsung Electronics ...

Page 40: ...Troubleshooting Continued See Section 6 2 i Replace CIS I rcplrirlll Samsung Electronics 6 11 ...

Page 41: ...Troubleshooting 6 6 OGM Not Playing Back Speaker On Replace main board Y 7 END Replace Mic I Replace U20 Y v Replace speaker 6 l 2 Samsung Electronic ...

Page 42: ...Troubleshooting 6 7 ICM Not Recording Call machine from other phone N Check LIU board J CT3 End Samsung Electronics 6 l 3 ...

Page 43: ...Troubleshooting 6 8 Malfunction in Auto Answer Start 7 Call machine from another phone h Replace Ul D Replace LIU board Q I D 6 14 Samsung Electronic ...

Page 44: ...Troubleshooting 6 9 Malfunction in Manual Receiving Lift handset from Check hook switch in CONN board Y W Check LIU board Replace LIU board l Replace main board l Samsung Electronics 6 15 ...

Page 45: ...Troubleshooting 6 10 Automatic Receive Malfunction Call fax machine 4 Machine to Y Auto Answer Y 0 i N Replace Main Board I Manual Receive 6 l 6 Samsung Electronics ...

Page 46: ...oting 6 11 No Dial Tone Press OHDIV REQ NG Lift Handset G Check I Replace OK I check service at Request b Telephone Service H l Check Replace Hook Switch P7 Wiring LIU u201 Main Board U2 Samsung Electronics 6 l 7 ...

Page 47: ...Troubleshooting 6 12 Transmit Failure Start 0 e Load document 1 Dial Receiving Machine 6 l 8 Samsung Electronics ...

Page 48: ...amic Chip 100 nF Z 50 V 2203 000192 I I Cl5 I Ceramic Chip 100 nF Z 50 V I 2203 000192 I 1 1 Cl6 I Ceramic Chip 100 nF Z 50 V I Ceramic Chip 100 nF Z 50 V I Ceramic Chip 100 nF Z 50 V I Ceramic Chip 100 nF Z 50 V I 2203 000192 I I I Cl7 I 2203 000192 I 1 1 Cl8 I 2203 000192 I I I Cl9 I 2203 000192 I I I c20 I Ceramic Chin 100 nF Z 50 V I 2203 000192 I c21 Ceramic Chip 100 nF Z 50 V 2203 000192 c22...

Page 49: ...Electrical Parts List 7 2 Samsung Electronics ...

Page 50: ...l Parts List Cl14 Ceramic Chip 680 pF J 50 V 2203 001132 Cl15 Ceramic Chip 100 nF Z 50 V 2203400192 Cl16 Ceramic Chip 100 nF Z 50 V 2203 000192 Cl17 Ceramic Chip 100 nF Z 50 V 2203400192 Samsung Electronics 7 3 ...

Page 51: ...n Socket IC 32 Pin Diodes 3711 000452 3711 000443 3704 000255 Dl Switching MMSD914Tl 0401 000116 D2 Switching MMSD914Tl 0401 000116 D3 Switching MMSD914Tl 0401 000116 D4 Switching MMSD914Tl 0401 000116 D5 Switching MMSD914Tl 0401 000116 D6 Switching MMSD914Tl 0401 000116 D7 Switching MMSD914Tl 0401 000116 D8 Switching MMSD914Tl 0401 000116 D9 Switching MMSD914Tl 0401 000116 DlO Switching MMSD914Tl...

Page 52: ...00 RlO Chip 10 kohm J l 10 W 2007 000300 Rll Chip 10 kohm J l 10 W 2007 000300 R12 R13 R14 R15 R16 1 R17 1 Chip 10 kohm J l 10 W 1 2007 000300 Chip 1 kohm J l 10 W Chip 10 kohm J l 10 W Chip 20 ohm J l 4 W Chip 10 kohm J l 10 W Cl k 10 kohm T l 10 W 2007 000468 2007 000300 2007 001289 2007 000300 2007 000300 I IR18 1 Chip 10 kohm J l 10 W 1 2007 000300 1 I 1 IR19 1 Chip 10 kohm J l 10 W 1 Chip 10 ...

Page 53: ...kohm J l 10 W 2007 001141 R71 Chip 6 2 kohm J l 10 W 2007 001055 R72 Chip 1 2 kohm J l low 2007 000221 R73 Chip 330 kohm J l 10 W 2007 000757 R74 Chip 330 kohm J l 10 W 2007 000757 R75 Chip 220 ohm J l 10 W 2007 000572 R76 Chip 1 Mohm J l 10 W 2007 000477 Samsung Electronics ...

Page 54: ...Electrical Parts List Samsung Electronics 7 7 ...

Page 55: ...00342 43 Small Signal KSC5019 NPN 0501 000385 Q4 Small Signal KSAll82 PNP 0501 000279 Q5 Small Signal KSAll82 PNP 0501 000279 I I Miscellaneous I I IL1 I Inductor SMD 3 3 PH K 2703 000185 I I IL2 Resistor Chip 0 ohm J l 10 W I2007 000029 I r 3 X l x3 x4 Resistor Chip 0 ohm J l 10 W 2007 000029 Crystal 0 032768M 2801 001498 Crystal 24 00014M 2801 001528 Crvstal 29 4912M 2801 001530 BAT PCB Battery ...

Page 56: ...kohm T l 8 W I 1 R306 1 Chiu 22kohm T 1 8W I IR307 Chip 22 kohm J l 8 W 1 k3 3 Chip 10 kohm J l 8 W I km9 1 Chip 22 kohm J l 8 W I JR310 I Chip 22 kohm T 1 8 W I I A IIx311 I Chip 10 kohm T l 8 W I 1 R312 1 Chin 22 kohm T l 8 W 1 1 R313 1 1 R314 1 1 R315 1 R316 1 Chip 200 ohm J l 8 W I Chip 22 kohm J l 8 W 1 Chip 680 ohm J l 8 W 1 Chip 330 ohm J l 8 W Samsung Electronics 7 9 ...

Page 57: ...N KSA1182 Y Small Signal NPN KSA1182 Y Small Signal NPN KSA1182 Y 0501 000279 0501 000279 0501 000279 I I Miscellanceous I Harness Wire Connector Header 3 Wall 2 Pin Harness Wire IC Micom Mask JF39 41037A 3711 000438 JF39 41038A JF09 10052A 7 10 Samsung Electronics ...

Page 58: ...1 371 l 000402 I L 1 P2 I Connector Header 2 Pin I3711 000815 I 7 4 D DET PBA Ref No 1 Description 1 SEC Code Remark Assembly D DET 1 1 IJCB I PCB Blank D DET I I I 1 SENl Interrupter 10604 000230 I I IPl 1 Harness Wire 1 TF39 40826A 1 I 7 5 P EMPTY PBA Ref No 1 Description Assembly P EMPTY PCB PCB Blank D DET Switch Detector Harness Wire 1 SEC Code 3409 000172 1 Remark 1 JF39 40986A Samsung Elect...

Page 59: ...HANDSET PBA Ref No 1 Description 1 SEC Code I Remark ASSEMBLY HANDSET PCB PCB PCB Blank Handset ZDl Diode Zener lN4736A 0403 000142 MIC Rx Mic Condensor Audio Receiver 3003 000103 3009 000154 7 7 OTHERS 7 12 Samsung Electronics ...

Page 60: ...er 1 W 27V Part No Vendor 2SK1537 SHINDENGEN KTC3198Y C1815Y KEC KSC945C Y SEC FA5311P FUJI KA7552 SEC LM2940T 50 NS L494OV5 S T KA78M12CT SEC NJM78M12FA JRC KA79M12CT SEC NJM79M05FA JRC TCDTllOlG PC111 D3SBA60 RBV406 BYIll 1000 BYV26E UF4003 DlNL20U DlOLC20U BYQ28 200 UF4003 DlNL20U S3S6M SB360 lN4148 lN4148 lN4148 lN4148 UF4003 DlNL20U MTZ20B lN5250B MTZ6 2B lN5234B MTZ18C lN5248B TZP27B lN4750A...

Page 61: ...71KAA 470 pF 50 VDC C ELECTROLYTIC CR051BCOH471 J RXlVJB336M 33 35V SXElWB33OMMC C MYLAR TSlHRB472KAN 4 7 nF 50 V 100 V TSlHRB472JAN C MYLAR TSlHRB473KAN 47 nF 50 V 100 V 1 TSlHRB473JAN lnF lkV C ELECTROLYTIC HCYB3A102KDB RGlVHB108M 1000pF 35v SXElWB102MMC C ELECTROLYTIC RGlVJB336M 33pF 35v SMSlWB33OMMC C ELECTROLYTIC RGlVJB107M 100 pF 35 v SXElWBlOlMMC C ELECTROLYTIC RYlCHB687M 680 16V SXElCVB681...

Page 62: ...kO 5 R METAL OXIDE lW 100 kQ 5 R METAL OXIDE lW lookQ 5 R METAL OXIDE 2W 100 kQ 5 R CARBON 1 4W 27 kQ5 R WIRE WOUND 1 w 0 15 Q 1 R CARBON 1 4W 22Q 5 EVN DJAA03BlK 25PRlK RD1 2W 560KJ RSSlW22OKJ RSSlW220KJ RSS2WlOOKJ RD1 4W27KJ RWlW0 15F RD1 4W22J MATSUSHITA BECKMAN ROHM KOREA DOOWON ROHM KOREA DOOWON ROHM KOREA DOOWON ROHM KOREA DOOWON ROHM KOREA DOOWON HANMI ROHM KOREA DOOWON R8 R9 RlO R METAL OX...

Page 63: ...ET COIL COIL TRANS MAIN EER 28 34 BEAD BEAD BEAD Surge Absorber 140 VAC 0 6 A Thermistor 10 ohm Relay Fuse Glass 250 V 2 A HARNESS 12 PIN IN LET 250 V 6 A 4L19 0792 HO20 4LO4 1415 4T21 0918 HO20 BFD3550R2F BFD3512R2F BFD3550R2F D6921ZOV301RA09 INR14D471K lOD 9 KLO9LOlO KM1 l M24F 50T020H T50020H SK HN 0739 EAC 409 030 ACR303BlO Vendor ROHM KOREA DOOWON ROHM KOREA DOOWON ROHM KOREA DOOWON ROHM KORE...

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