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Samsung FACSIMILE SF40, Service Manual

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Summary of Contents for FACSIMILE SF40

Page 1: ...ration and Instruction 7 6 Disassembly Instrunction 11 7 Maintenance 13 8 Troubleshooting _ _ 14 9 Block Diagram 24 10 Circuit Description Diagram 28 11 PCB Layout 58 12 Exploded View Mechanical Parts...

Page 2: ...lation barriers insulation paper shields are properly installed and then be sure to make insulation resistance test to prevent the customer from being exposed to a shock hazard 1 2 Servicing Precautio...

Page 3: ...rinting Head TPH P Fine 203 pels inches x 196 lines inches pes Standard _ 203 pels inches x98lines inches Communication Facility Public Switched Telephone Network PSTN Line Coupling Direct coupling QA...

Page 4: ...e ee WAT 3 Connect one end of the supplied 3 wire grounded power cable into the receptacle on the back of the fax machine Then plug the other end of the cable into a standard grounded 3 pin AC power o...

Page 5: ...OR button Slide ittoward the back of your unit to increase the volume or toward the front of the unit to decrease the volume 9 Turn the unit upside down and mount a supplied name card Make sure the ri...

Page 6: ...er a pause when storing or dialing a telephone number TONE Button Used to produce touch tone for tone service MONITOR START COPY Dial Keypad Used to dial a phone number RECEIVE POLL Button and Indicat...

Page 7: ...4 2 Dimension 4 2 1 FX40 SF40 4 2 2 FX30 SF30 HERIVE UMbaoBRERA TEST ii...

Page 8: ...treated as a fax message and your fax machine begins reception This silence detection time is settable either limited about 12 seconds or unlimited time 5 1 2 Service Mode Options Silence Drop Out Tim...

Page 9: ...RANSMISSION LEVEL 08 MONITOR LINE 09 RECEIVE LEVEL TECH 10 CABLE EQUALIZER 11 NOISE COMPENSATION IGNORE FIRST DIS 5 2 Operating EP om SPEED FLASH POWER O w use O REDIAUPAUSE ie NO PAPER 5 2 1 Entering...

Page 10: ...D number up to 20 digits and the name up to 40 digits If you enter more than the digit numbers your unit sounds warning beep If so please shorten them and try again with new ones from step 1 4 Storing...

Page 11: ...are received your answering 10 machine may still indicate a voice message has been left even though none was actually received If the sound level of the incoming call is too low due to a poor telephon...

Page 12: ...olling allows your unit to receive a document from an unattended remote fax machine The remote party with the original document must make sure that it is properly fed into their fax machine so that yo...

Page 13: ...er and ground har ness 2 Loosen the screws fastening the main chassis assembly 3 screws 3 Lift up the main chassis assembly and D DET sensor 6 6 Removing the Power and Boards from the Base Removing th...

Page 14: ...oreign matter such as paper Roller If the roller is dirty clean itwith isopropyl alcohol and then dry thoroughly Thermal Print Head TPH Contact Image Sensor CIS If the TPH is dirty clean the printing...

Page 15: ...leshooting stat Turn poweron YES System initialized a Power led on Feed document Load document in feeder Manual operation NO v Dial tone O K NO See chart 10 See chart 11 14 Auto answer Call machine fr...

Page 16: ...e F place OPE Plug in P14 Unplug P5 board NO board Replace main Chart 3 System Not Initialized Check system reset U1 Pin 26 Check Vcc from P1 7 to P1 8 Check harness of OPE board See chart 2 Vec24 5v...

Page 17: ...ument Not Feed Check DDET YES sensor P6 1 NO Replace DDET sensor J 24V Check 24V from YES Check TU Low P1 4 to P1 5 note NO Replace power supply YES YES aire Replace motor oy End Pe pe et Replace main...

Page 18: ...ad document in feeder oe Press the start key Feed document NO See chart 4 CIS LED light Replace CIS Replace power unit Check 5V 12V from P1 7 9 to P1 8 10 YES Check CIS from P3 10 4 to P3 7 YES O0 K N...

Page 19: ...d document in feeder Copy Produced YES Check 5V from P1 7 to P1 8 YES NO Check 24av ol else motor pulse P7 1 2 3 4 Replace motor Replace main board YES Replace main NO YES Unplug P3 check ee Unplug P7...

Page 20: ...Chart 6 Continued Copy quality O K YES Copy all black Copy all white Copy quality O K Replace main board Replace TPH 19...

Page 21: ...uto answer YES Replace main board NO F NO Check hook switch r Replace hook in hook board board Chart 8 Manual Operation Problem Lift handset from fax than press start Machine goes on line Y i YES ig S...

Page 22: ...uto answer Receive data See chart 7 Check Tx Rx Check tel line signal from P4 6 to P4 1 NO Replace main board Chart 10 No Dial Tone Lift handset from fax NO Replace LIU board Dial tone O K Dial tone O...

Page 23: ...Chart 11 No Transmit Load document Feed document See chart 4 Call receive a machine Replace LIU board Replace main board 22...

Page 24: ...9 Block Diagram 9 1 Block Diagram 9 2 Connection Diagram 23...

Page 25: ...el line 3 Operating Panel PBA The OPE operating PBA is composed of LEDs keypad and their control signal The circuit is divided into key sensing parts to receive user s command and LED display part to...

Page 26: ...oller IFC P U1 Personal FaxEngine Data Control Sensors Printer Scanner motor high current drivers Expension Bus Motor Fig 2 Given next is the memory mapping MEMORY MAP VECTOR ROM AREA CORE 1FFFh ROM A...

Page 27: ...upplied from U9 Modem 20 cS___ MODEM U9 chipselect i S S S r 26 PORES _ When Vcc 5V goes down below 4 5Vthis signalbecomesiow 28 GPIO8 30 GPIO7 Used to control the CML Relay 31 GPIO6 Used to control t...

Page 28: ...Neg 3MHz StartPos StartNeg ADCSamplePos VCOPos VCONeg Q sponte ScanStartDelay Qz ScanDotScaler 1 R ScanDotPeriod 1 1 8 VC1Pos VCINeg ScanBytes CLK1 150KHz Fig 4 4 Scanner Part Scanner Interface Scanne...

Page 29: ...r than 0 9V comparator reference input is supplied as 0 9V Video Processing Black and white image data from LM393 passes ADDO and MUX to be stored in line buffer The stored image data is sent to eithe...

Page 30: ...Block diagram and timing chart of CIS are Fig 6 Fig 7 respectively VLED 5V V LED ARRAY V GLED fies VDD 5V Sem a NOTE ROD LENS ARRAY GND o_o VSS 12V Sl CLK SIG oe 4 318 or equivalent 250KHz L duty 75 a...

Page 31: ...size Below is the circuit diagram of the thermal print head analog with the timing diagram 1 432 433 864 865 1296 1297 91728 24V STBO STB1 STB2 STB3 LATCH BUFFER S l SHIFT REGISTER CLK Fig 8 SI The s...

Page 32: ...printer control signals and PrtDotClk divided by two is the StbClk signal used to form all printer strobes The strobe generator is under control of three registers PrtStbPeriod PrtStbOn and PrtStrobe...

Page 33: ...has low power consumption and requires only a single 5VDC power supply The modem can operate over the public switched telephone network PSTN through line terminations provided by a data access arrange...

Page 34: ...meric value 1 and 0 which are separately converted into two different frequencies 1 650 Hz for 1 and 1 850 Hz for 0 A total of 300 numeric values are transmitted per second Binary data is expressed us...

Page 35: ...MHz Output 22 Connect to Digital 5V Power 72 5VD2 Connect to 5V Digital Power 23 Connect to Digital Ground 73 DCLKI ConnecttoDCLK 24 SWGAIN1 Connect to SWGAINO 74 25 Connect to EYECLK 75 GP16 General...

Page 36: ...CIS The opto electrical converted image data in CIS is separated into Black and White by means of comparator and stored in shift register consequently residing in External RAM after serial to parallel...

Page 37: ...NTROL MODE DOC SENSOR 24 868814MHZ KEY CLK CONTROL TX RX ezev fd ele eee SCANNER MOTOR A D INTERFACE PRINTER CONTROL 24 5V GND T P H eer PRINTER THERMAL Sones SEE 7RING OET SPK OUT VOLUME IN VOL IME O...

Page 38: ...GNO12 _ BUZZER1 HANDSET cette _ewore felt hs et 7eane et 17 1Eb p19 7 RING OET 24v C s ee ee nooo op EIN elSlele ww tlala 2 2 alz 2z12 z BIC S 5 Jwlis G G In rat ei Clelyl lola lel 2 2 Hi a Bia Sloln...

Page 39: ...2 3 4Pin 2AV 13 14 15 16 Pin LM393D Ay 7 8C MODEM TEST 9600 bps cat 182 k n37 e6 8k 1x a u13 a MC4S58 32 nee 1p4 47 8K ese 104 ENOI2 a7 Leo 4 1984 tHe Pipl ae GNOS ee ee 24K ne 2 or Tx Gs aay Ue Mc45...

Page 40: ...B A ss GND12 14 P2 14 9 LcA19 7 os 600 478 3 204 223M GNOS py 14 O tae K1 8 GND12 CML 24 G5v 2 c29 1UF 25 V os P2 11 vw F2 a e R5 68a fe yim Ig uB B LCAIS HOOK P41 os RA51 18K 3 HOOK ON OFF O5 MPSA4S...

Page 41: ...6 13 oe P15 3 P15 2 P15 1 P15 4 P15 5 P15 6 P15 7 5V LED CTL OPO OPO 1 OPO 2 OPO 3 OPI OPI 1 OPI 2 OPI 3 GPIO 1 CLK 1 GNO 5 COL3 COL2 COLI Row ROW2 ROW3 Sv R12 478 on Vrs KSC1623Y LED Y POWER IN USE o...

Page 42: ...L R31 10K DOP MF OUT VSS TEL VOL OUT Pg Pg PS Pg PS 15 14 10 R43 128 U3 MC34 12 swi sme 6 EXT PHONE EXT PHONE R39 c29 6 2K 1UF 2 5W 250V RING IN 5 Eas R42 1 8K J C31 Y 1QUF 25V BUZZER OuTI R42 56K RIN...

Page 43: ...10 2 5 Hook SW3 H H PB 1 OOK ON OFF OOK ON OFF ae Bee HOOK DETI1 GND Pg...

Page 44: ...10 2 6 D DET 1 2 3 4 5 6 7 8 TELLGW TY BS 1008...

Page 45: ...10 2 7 P Empty 1 2 o 4 5 6 7 8 P EMPTY TX P EMPTY DET Throws...

Page 46: ...10 2 8 Power Supply 1 2 3 4 5 6 7 8 LPT 1A CON1 18 GNO CON1 2 3 24V CON 1 24V CTL CON1 5 6 GNO SF30 4 POWER CIRCUIT OIAGRAM...

Page 47: ...11 PCB Layout 11 1 Main PCB 0 XT TTT TTT TTT TT PTT TET TTI mm 10 20 30 40 50 60 70 80 90 100 110 TI miWT Va ITTV 60 5 50 20 20 0 60 i HLL L 58...

Page 48: ...11 2 LIU PCB Daughter PCB 160 150 140 130 120 F38 4 DAUGHTER PCB PCSB1 58 917784AAAA CS 110 100 90 80 70 60 50 40 20 10 TTT IT TET TT TTT TT TTT TT TTT 0 10 20 30 40 50 60 70 80 90 59...

Page 49: ...OLIN ee zest Bb J has _ WWEGZLLIE 6 ioe 2 aw ue EE ealy yd Ff E S3d Add 3dO WEIS ee eee bee e e e eee oS ee ie a EE COU 1 2H cee eee 4o aK ee eee ne See rf tat S roe sioeen coe ace ee ee PTT TOT TTT T...

Page 50: ...11 4 Hook PCB eee Eee een ven ATTGTETT TTTTTT PTT TTT TTT je ike mn o F TTT oO ise TTT oO N TTT TTT jo oO X TMM 50 40 30 20 10 11 5 D DET PCB T 1 NEPTTTTT TTTATTY TT iy TTT TT 50 40 30 20 10 61...

Page 51: ...2 4 ASS Y TOP COVER BLACK 139 770501BAAA 1 ASS Y TOP COVER IVORY 139 770501BABA 1 5 SCREW TAPTITE S BH M3 L6 847 501007DC 5 6 SCREW TAPTITE B PH M3 L10 BLACK 847 501001AK 3 SCREW TAPTITE B PH M3 L10...

Page 52: ...KEY STOP IVORY 821 310652AB 1 6 KEY OHD BLACK 821 310652EA 1 KEY OHD IVORY 821 310652EB 1 7 KEY START BLACk 821 310653CB 1 KEY START IVORY 821 310653AB 1 8 RUBBER CONTACT 821 315169AA 1 9 PBA OPE 650...

Page 53: ...1 6 MISCEL CABLE CLAMP DA 3N 857 170001AB 2 7 SCREW TAPTITE B BH M3 L10 847 501007DA 7 8 BRKT HINGE R 813 310275AA 1 9 HINGE OPE R 813 310274AA 1 10 SPRING COVER R 813 315058AA 1 11 SPRING COVER L 81...

Page 54: ...CRO LEVER 933 250055AA SCREW TAPTITE S CH M1 7 L7 847 506001DA IMP LEVER LOCKER 813 310281AA Le a ee ee ee oe a se Poe ee ee ee ee ee 49 KNOB LOCKER BLACK 821 310812AA KNOB LOCKER IVORY 821 310812BA S...

Page 55: ...7DC 3 L 4 ASS Y MAIN CHASSIS 139 770504AAAA of 1 SNA 5 PBA D DET 650 317706AAAA 1 SNA 6 PBA LIU 650 317702AAAA 1 7 MEP P S AC DC 953 140021MA 1 8 BRKT REAR 813 310279AA 1 9 PBA MAIN 650 317701AAAA 1 1...

Page 56: ...317701ACHZ 1 2 MAIN TPH 250mm 955 317704AAAF 1 3 MAIN OPE 200mm 955 317706AAAE 1 4 LIU HOOK 420mm 955 317713AECZ 1 5 AUDIO BUZZER 30 75 939 010004AD 1 6 MOTOR STEP 24V 6P 953 280023HC 1 ia 7 MAIN CIS...

Page 57: ...EF MF 56K 5 1 8W 911 455607CA MR1 8W 120 J REF MF 120 5 1 8W 911 431207CA SBHA13B 06 933 290047AD SLIDE SWITCH SBHA12B 06 RINGER IC MC34012P 1 881 634012AA RS15H11AA01 913 252007AF LINE 955316014BACK...

Page 58: ...00HJXH C20 CAP CERAMIC 104K YV1H104ZE 915 336100HZ YV1H104ZE 915 336100HZ YB1H101KB 915 323100HK C23 CAP CERAMIC 101K YB1H101KB 915 323100HK C24 CAP CERAMIC 101K__ YBiHi0iKB 945323100HK_ _ C26__ CAP C...

Page 59: ...911 472207CA R9 MR1 8W 240K J REF MF 240K 5 1 8 911 462407CA R11 MR1 8W 120K J REF MF 120K 5 1 8 911 461207CA R12 MR1 8W 240K J REF MF 240K 5 1 8 911 462407CA R13 MR1 8W 3 3K J REF MF 3 3K 5 1 8 911 4...

Page 60: ...180J 1H GRM40COG180J50PT 915 412180HJXH C22 CAP 0805 390J 1H GRM40COG390J50PT 915 412390HJXH CM21Y5V104Z50VAT 915 516100HZ C24 s CAP 0805 104Z 1H CM21Y5V104Z50VAT 915 516100HZ C25 CAP 0805 104Z 1H CM2...

Page 61: ...RC2012J820CS RC2012J820CS RC2012J820CS RC2012J820CS R13 R CHIP 10K 5 RC2012J1038CS 911 751007BS rT Ri4__ R CHIP20K 5 sRC2012J1S3CS_ sC L 9 752007BS_ RI6 R CHIP 82 5 RC2012J820CS 911 728207BS R CHIP 82...

Page 62: ...WSDTF28T 935 155128DC SW1 UNUSEDED UNUSED UNUSED s Ut1 dL sSWRXQSPFE ENNGINE RO6PFE ENGINE 877 300096EA _ U2 MOTOR DRIVER IC ULN2003L 881 802003GA aes _u3 ANALOG S W TC4S66F 873200466XR_ U4 _ _ _ s AN...

Page 63: ...__ OPEPCB OPE PCB 947 317703AA R1 R CHIP RC3216J101CS 911 731007CR R2 R CHIP RC3216J101CS 911 731007CR R3 R CHIP RC3216J101CS 911 731007CR z R4 R CHIP RC3216J101CS 911 731007CR R5 R CHIP RC3216J303CS...

Page 64: ...25 SETA ISOOUE C ELEC 100uF M 35V 8 12 ST3S5V 100uF SXE35V100uF STL1V331 100uF C18 C ELEC 330uF M 35V 10 20 eve sEUOSD EIN C ELEC 330uF M 35V 10 20 pale hed rd en A a c20 C ELEC 47uF M 25V 6 3 11 oe...

Page 65: ...CARBON 1 4W 2 55K F R12 HANJOO R CARBON 1 4W 2 2K J PHILIPS HANJOO PHILIPS HANJOO PHILIPS HANJOO PHILIPS HANJOO PHILIPS HANJOO PHILIPS HANJOO PHILIPS HANJOO PHILIPS LF1 LF2 SOOJUNG LPT1A TRANS POWER...

Page 66: ...e C10 C MYLAR100V 0 033uF eet een sia C11 C MYLAR100V 0 033uF ere tals C12 C MYLAR100V 0 022uF leaaene ya cia OMYLARTOOV Our TZ2ATOW SAHA M C14 C CERAMIC1KV 1000pF yebeal Ait pains C16 C ELEC 1200uF M...

Page 67: ...R1 R CARBON 1 4W 560K J a R2 R WIRE WOUND pehibaauirdion ing R3 R CARBON 1 4W 27K J Aes R4 R METAL OXIDE 4W 47K J Eine R5 R METAL OXIDE 1W 220K J ae R8 R CARBON 1 4W 3K J Abie Re R CARBON 1 4W 27K J e...

Page 68: ...CHCRAFT TNR12G221 MARCON SURGE ABSORBER INR10D221K UL ILJIN SVC220D 10A SAMHWA SURGE ABSORBER TNR12G182K MARCON D69ZOV102RA220 MAIDA RELAY 5A 24VDC VG24TM TAKAMISAWA AC INLET 250V 6A CONNECTOR 10PIN G...

Page 69: ...DD1 ar 11 SYSCLK 18 AD02 EP12 GND C118 t ADO3 GPI3 Ws ci 228 AD04 SPI4 MIR 21 J ADCS EPI5 HESUG c 22 PDAT SYNC Co 23 PCLK DMACYCLE c j 24 PLAT Cc 26 STBPOL PORES 28 STRS3 GPIO8 IRQ C j 27 i STRB2 GPIo...

Page 70: ...1 28 NC 27 NC CI 28 NC C 29 GVA 38 14 4 Speech IC MC34114 est SWGAINO ge RCVO 87C I B vo2 esc ALSO 85 3 axon 94 cPis 1aaCc GP 2 83 GP28 82 svo2 81 GP2 1 8et EYEY Bs avo2 66ec DAOUT 87 AOIN B5 EYECLK 6...

Page 71: ...20AAAG 4 L 6 AC POWER CORD 955 316013AACL 1 5 HANDSET CURL CORD BLACK 955 317611HDAZ 1 HANDSET CURL CORD IVORY 955 250430PACN 1 8 OP MANUAL 139 900040EAAA 1 9 CARD ADDRESS 821 317163AA 1 10 SHEET GUID...

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