SHARP SF-2040

3LHPS1CSWLMCTHVSHVGRIDVFMCSWR177PSDPSPSDGSPODPWSPLS1,2PED1MPFSPED2311333313DV unitTM13AuditorHigh voltagecircuit1Personalcounter13ADF/RADFcontrol PWB13Desk unitcontrol PWBMain circuit PWBCPU,I/O memory,driverLUD1UCSSLUM1313Sorter controlPWB1CPFS1,CPFC11PED3LUD212345633DMPWBHLMMSFM+38V31Dehumidifier heaterUCSSLUM21132Main switchCLID PWBADUunitDVFANACPFS2,CPFC21PIDPPD1PPD23332VR PWBAC circuit PWB+38VDC powercircuitTRCRRC112ACpowersource+38V1 24V2 10V14 10V23 5V15 -20V6 FW+5V2

+10V1+24V+10V1+10V1

TP74TP72

Q107R1212.2KJ

TP126C182R13739KJR140R134910J 9

IC136C14NJM2901

8

TP75

R128300JD1161SS133D11522000PF

R12391KJ

11

3IC136D

POFA1-6CR1245.6KJ13

DTC114YK

D117C1761SS13322000PF

Q108

DTC114YKFW150JC1231SS133C1293.3uF 10R12536KJ12ZD106HZ6A1NJM2901C177L-81uF

1000PF

R13139KJ

3-3C

+5V2

-DCHR130300J+5V2+10V1

R1331.5KF

R132R1291.5KF

R171R16810KJ22KJ

IC142B

7

6

TP31

5

15KF

NDIP R13820KJ

4 5

3

C1250.01uFR139R136NJM290312IC136A

2

R12710KJFWS1-8CR17010KJR16710KJ

+5V2NJM2901

TP73

C18110KJ1.5KF1000PFR135R1262.2KJ 7 6

10KJ

IC136B

1NJM2901-RESET

1-6C,1-3D

C1303.3uF

C17922000PFVD (+10V)LEDS INOUTS OUTSTROBEVDCLKLATCHBEOVD (+5V)DATACLKLCDMaincontrolcircuitLATCHVD (+5V)VD (+10V)BEODC powercircuit4. LCD display circuit

(1) Block diagram

CounterAuditorMCPNCAUDCLAUDCPAUDOAUDRDAUDRDAUDOAUDCPAUDCLPNCMC+10V+5VGND2-10V+24VGND1RXD-OPDSR-OPTXD-OPDTR-OPRES-OPLATCHCLKBEODATALED1LED2LED3LED4LED16MainPWBDATAROMIC218PRO-GRAMROMIC219D0 ~ D7A0 ~ A15CSBufferA0 ~ A12A-RAMV-RAMIC202IC204IC207DriverIC221RDA0 ~ A19D0 ~ D7CSIC214IC215LCDcontrollerIC213IC235MCLKBufferIC205IC209IC212DriverIC224IC225CPUIC222DecoderIC237IC236BufferWRCSIC210IC211MCLKOPPWBKEY INIC238LatchMD ~MD15VR201PTH BPTH AIC229IC2315VREMG-ROMCC-ROMIC203IC206LatchIC228IC230IC232InvertorCCFTPTHAVRA+5VLCD-19VLCDIC201Q202+10V-19VREM-19VQ203Q204MCLKDCLKA17CSASTBLC-RESTimingsectionIC216IC226IC227IC234LCDunitSCP1CP2D0D1D2D3BufferIC223AC inNoise filtercircuitRush currentlimiting circuitRectifying/smoothingcircuitInvertor circuit(Forward convertor)Convertortransformer(T701)Rectifying/smoothing38VOvercurrentprotectioncircuitRectifying/smoothing24VControlcircuit(PC701)OvervoltageprotectioncircuitChoppercircuit5V(PC702)Reguratorcircuit-20VChoppercircuit10V10VFull-waverectifyingcircuit(PC703)FW circuitFWB. 200V SeriesR70447[1W]D717ESAD9203L712B01A+-L714B01ABL719C-L00-269+--+D7221SS178R7392.2KR7412.2KC734100P/50VR740 2.2KR742 2.2KR738D721220[1/4W]RD27ESAB2PC701R74310KIC702µPC1093PC702D723D724D7191SS178C7252200[PF]R73422[3W]L713B01AC727R70947K[3W]C7281000P/1KV[HR]C7090.1/400VL703B01AR70656K[3W]1000P/1KV[HR]D703PG1C+-R70768K[2W]D717ESAD9202Q7022SK1511Q7012SK1511L716B01AR71068[5W]C7312200/35V[PF]-+C710470P/1KV[HR]L715B01AR73633[2W]C724 1000P/1KV[HR]D718RD39EB7C7231000P/1KV[HR]R70547[1W]D702ERA9102L711T701B01AN-T00-717AC721 1000PR73333[2W]/1KV[HR]C7221000P/1KV[HR]F702250VT3.15ALTR701BCR10PM12LAAFR701R7031KR7026.8/135˚C6.8/7WC7260.1/50V[RPE][L]F701L701F6.3AH/250VSC-05-50J297VDCL702B01AF703250VT5AL38VCN702-2038VCN702-18C7044700P[KC]0.47[XE]RETR74422KR74610[H]R74733KVR7011KBF704250VT3.15AL250VT3.15ALD727RD6.2ESAB2C733 0.47[MP]PC703R745 2.2K1SS178D7251SS178D726R7482.7KRD5.6ESAB2RD13ESAB2CDR7494.7K[1/4W]Q7052SC1815R702C7034700P[KC]R701 330K[1/2W]C7291000P/1KV[HR]C7301000P/1KV[HR]D701S15WB40C7063300P[KC]R71310K[1/4W]R71427[1/4W]C7111000P/1KV[HR]C7623300P[KC]L705L707R70868K[2W]C7121000P/1KV[HR]R7150.1/5WL708B01AL709B01AL706B01AL704B01AB01AR73733[3W]R71110K[1/4W]B01AR71227[1/4W]L717B01AL718B01AC732 2200/35V[PF][N]C707390/400V[LQC]D706ERA1504D704ERA1504D707ERA1504220VACC708390/400V[LQC]C7010.47[XE]Fig.2124VF705CN702-29,3024VCN702-26,2824VF706CN702-22,24250VT3.15ALFWC735CN702-160.1/50V[RPE]RETFig.24D705ERA1504D711RD30ESAB2R72047K[1W]8IC701FA5314P1234D737ERA9102D716ERA9102+-C72047[PF]R732D7154.7[1/4W]ERA9102D738ERA9102L710TSL1110-332KR17765PC702PC111C7150.1[RPE]C716D708RD13ESAB2C7170.1[RPE]R727 12KR728 2.2KC718 0.0082D712 RD10EL1D713 1SS178+C719-47[PF]PC701PC1110.001 or 0.001[RPE]R7291KD714ERA910211 – 31

R71756[H]R718100[H]R71910KC7130.047/400VC7053300P[KC]C7633300P[KC]Fig.2724VDCR7314.7[1/4W]R72147K[1W]R7304.7KQ7042SC1815R72410K[1/4W]PC703PC111R72510[H]R72310K[1/4W]• Resistors are 1/6W unless otherwise specified.• Electrolytic capacitors ( ) are 50V unless otherwise specified.• The other capacitors ( ) are 100V unless otherwise specified.C7140.01R7222.7K-25VDCC737220/35V[PF]R75110K[1/4W]R75010K[1/4W]IP701ICPN25L721B01AC736470P/1KV[HR]D728ERB9102+-IC703HA178M20PPET

+-C73822/35V[PF]CN702-8

C7390.1[RPE]-20V

CN702-6

L722PJ8T-8R2MBR773100[1/4W]Fig.22CQ7062SA1541L723C-L00-268R7580.05/2WL724L1000511C7441[MP]C7421000/35V[PF]C7430.1/50V[RPE]C750680/10V[PF]R7612.7K5V

R7561.5K1,3

CN702 2,4

5,7

R754180[1W]C7411000P/1KV[HR]C7401500/35V[PF]+-D729ESAB92M02orYG901C2R759100[H]R75739K+-+-R752150R753150R755180[1W]VR7021KBR7601KR7622.2KPET

D730 1SS178C74522/35V[PF]-+R76427KR7631KR76510KR7672.2KR76610[H]5VDCR769 4.7KR770 27KC7470.022L725PJ8T-8R2MA

R774 2.2K[1/4W]R7764.7K[1/4W]R77515[1/4W]C7460.001 orC7480.022 or0.022/50V[RPE]V74922/35V[PF]-R7682.2K0.001/50V[RPE]Fig.25IC704MB3759M12345678910111213141516+R77112KR7722.2KFig.23Q7082SJ176L726N-L00-046R7810.1/2WD10V1CN702-12

D736ERC81004R779820D7311SS178D732ERC9102C7564.7[MP]R7842.7KC7641000/16V[PF]10V2CN702-10

C751 1500[PF]C7541500/16V[PF]+-R7771.2K[1/4W]C7520.022R782100[H]+-C7550.1/50V[RPF]Q7072SC1959R7781.2K[1/4W]R78039KR7831KVR7031KBR7852.2KPET

D733RD5.6ESAB2C757-22[PF]+R78868KIC705MB3759MR7871KD734R7861SS1786.8KR78910[H]R7902.2K5VDCRD5.6ESAB2D7351R7912.2KC7580.0222345678910111213141516Fig.26R793 27KR792 4.7KC76122[PF]C7600.1 or0.1/50V[RPE]R79412K+-C7590.001 or0.001/50V[RPE]1234CN701LNCNCNJSTB2P4-VH-B• Resistors are 1/6W unless otherwise specified.• Electrolytic capacitors ( ) are 50V unless otherwise specified.• The other capacitors ( ) are 100V unless otherwise specified.CN7025V125V5V345V5V56-20V5V78-20V PETPET91010V2PET111210V1PET1314PETPET1516FWPET171838VPET192038VPET212224VPET2324PET252624VPET272824V293024VHRSDF1B-30DP-2.5DSA11 – 32

SF-D23

LUM16. Desk circuit

(1) Block diagram

PPC bodyCPFS1LUD1PED2UCSS1UCSS2Lift motor rotationsensor input circuitCommunicationcircuit5VDC hoppermotor outputcircuitCPFC1Reset circuitVDC hoppermotor drivecircuitE1MOTLift motordrive circuit500C clutchsolenoid drivecircuitE1CLKE2MOTInput portextension IC500-sheet cassettesensor/switchinput circuitUCSS3UCSS4PFNUDE2CLKParallel inTransport motordrive circuitTransport motorspeed control signalinput/output circuitF/LSWDDOPDLPD1HMOTTransport motorspeed control pulsegenerating circuitOpen/closeswitchcircuit11 – 33

Oscillationcircuit12MHzPaper pass sensorinput circuitLatchROMPaper pass sensorclock output circuitLevel sensor/limitsensor input circuitResist sensorinput/outputcircuitSize sensorinput/outputClutch drivecircuitLeft amount sensorinput/output circuitDLPD2DLPD3DPE2DLUD1DLUD2LMS1LMS2P1CLDPOD1DPOD2SIZESWP2CLRESTRBLCRESTFRCLA. Sensors and switches

Signal nameSIZESWF/LSWDPE2DLPD3NameSize switchFront loading open/closeswitchEmpty sensorPaper pass sensor 2TypeMicroswitchMicroswitchReflection type sensorReflection type sensorFunction/operationSize (A4, B5, Letter) selectionDesk open/close detectionCassette 2 original presencedetectionTurns to H level when the paper leadedge is transported to the front ofpickup roller 1.Turns to H level when the paper leadedge is transported to the back ofpickup roller 1.Side cover open/close detectionCassette 1 paper height controlPrevention against excessive heightof cassette 1 paperPaper pass detectionTurns to H level when the paper leadedge is transported to the front ofseparation roller.Cassette 2 paper height controlPrevention against excessive heightof cassette 2 paperPaper pass detectionElevator motor 2 encoder clockdetectionElevator motor 1 encoder clockdetectionH level when open.H level when paper isdetected.H level when paper isdetected.H level when paper isdetected.H level when open.H level when interrupted.H level when interrupted.Paper in: L levelH level when paper isdetected.H level when interrupted.H level when interrupted.Paper in: L levelPulse outputPulse outputContact/outputDLPD2Paper pass sensor 1Reflection type sensorDDOPDLUD1LMS1DPOD1DLPD1Side open/close sensorLevel sensor 1Limit sensor 1Resist sensor 1Paper pass sensor 0Photo interrupterPhoto interrupterPhoto interrupterPhoto interrupterReflection type sensorDLUD2LMS2DPOD2E2CLKE1CLKLevel sensor 2Limit sensor 2Resist sensor 2Elevator motor 2 clocksensorElevator motor 1 clocksensorPhoto interrupterPhoto interrupterPhoto interrupterPhoto interrupterPhoto interrupterB. Electromagnetic clutches

Signal nameP2CLP1CLBCLRCLNamePick 2 clutchPick 1 clutchSeparation clutchResist clutchTypeElectromagnetic clutchElectromagnetic clutchElectromagnetic clutchElectromagnetic clutchFunction/operationLinks/releases the transport motordrive and the pick roller 2.Links/releases the transport motordrive and the pick roller 1.Links/releases the transport motordrive and the separation roller.Links/releases the transport motordrive and the resist roller.Contact/outputLinks the drive when ON.Links the drive when ON.Links the drive when ON.Links the drive when ON.C. Motors

Signal nameE1MOTE2MOTHMOTNameElevator motor 1Elevator motor 2Transport motorDC motorDC motorDC brushless motorTypeFunction/operationDrives the lifting mechanism of cassette 1 paper bundle.Drives the lifting mechanism of cassette 2 paper bundle. Drives the whole mechanism of paper transport.11 – 34