Sharp FO-775L Service Manual

UX-355LFO-775LNo. 00ZUX355L/SMECHAPTER 1. GENERAL DESCRIPTION[1] Specifications ... 1-1[2] Operation panel...

1 – 8UX-355LFO-775L6. Clearing jammed printing paper Pull the paper release plate forward and remove the paper. Open the operation panel (grasp the fi

No.NEWMARKPARTRANKPRICERANKPARTS CODENo.NEWMARKPARTRANKPRICERANKPARTS CODENo.NEWMARKPARTRANKPRICERANKPARTS CODEUX-355LFO-775L– 13 – I n d e x[C]CCNW-4

No.NEWMARKPARTRANKPRICERANKPARTS CODENo.NEWMARKPARTRANKPRICERANKPARTS CODENo.NEWMARKPARTRANKPRICERANKPARTS CODEUX-355LFO-775L– 14 –VCCCCY1HH101J 7-49

UX-355LFO-775LVRS-TS2AD102J 8-73 AA CVRS-TS2AD150J 7-126 AA CVRS-TS2AD151J 8-49 AA CVRS-TS2AD221J 7-195 AA CVRS-TS2AD223J 8-47 AA CVRSTS2AD8662F

1 – 9UX-355LFO-775L[5] Quick reference guideENTERING YOUR NAME AND NUMBER1. Press: FUNCTION3Display shows: OWN NUMBER SET2. Press: START/MEMORY3. En

1 – 10UX-355LFO-775L[6]Quick Setup GuideBe sure to perform each step in theorder indicated.Note: For detailed instructions, refer tothe indicated page

1 – 11UX-355LFO-775LInsert thepaper printside down.Note: If you loaded legal paper, see page23 to change the paper size setting toLEGAL.6Load paper. 7

1 – 12UX-355LFO-775L[7] Option imaging film specifications (UX-3CR)1. StructureThis article is composed of polyester film coated with heat-resist

UX-355LFO-775LCHAPTER 2. ADJUSTMENTS[1] AdjustmentsGeneralSince the following adjustments and settings are provided for this model,make adjustments an

UX-355LFO-775L[2] Diagnostics and service soft switch1. Operating procedure(1) Entering the diagnostic modePress FUNC → 9 → → 8 → # → 7

UX-355LFO-775L3. Diagnostic items description3. 1. Soft switch modeUsed to change the soft switch settings.The soft switch which is stored internally

UX-355LFO-775L3. 12. Entry data receiveIn this mode, the registered data sent from the other machine is receiv-ed and the received data is registered

UX-355LFO-775L1 Protect from echo No Yes 02 Forced 4800 BPS reception Yes No 03 Footer print Yes No 04 Length limitation of copy/send/receive No limit

UX-355LFO-775L(Danish) ADVARSEL !Lithiumbatteri-Eksplosionsfare ved fejlagtig håndtering.Udskiftning må kun ske med batteri af samme fabrikat og type.

UX-355LFO-775L1 Auto gain control (MODEM) Enable Disable 12 End Buzzer Yes No 13 Disconnect the line when DIS is received in No Yes 1RX mode4 Equalize

UX-355LFO-775L1 DTMF signal transmission level (High) Binary input 02 No. = 16 8 4 2 1 03 1 2 3 4 5 14 0 0 1 1 1 15 16 Dial

UX-355LFO-775LSWlE1SWNO.DATANO.ITEMSwitch setting and function10RemarksInitialsetting2 – 8SWlE2SWlE3SWlF1SWlF2SWlG11 Reserved 02 Reserved 03 Reserved

UX-355LFO-775L1 Reserved 02 Reserved 03 Reserved 04 Reserved 05 Reserved 06 Reserved 07 Reserved 08 Reserved 0OGM detect timer Not work 100ms 200ms 30

UX-355LFO-775L1 Reserved 02 Reserved 03 Reserved 04 Reserved 05 Reserved 06 Reserved 07 Reserved 08 Reserved 01 Reserved 02 Reserved 03 Reserved 04 Re

UX-355LFO-775LSpeaker volume (3 stages) Low Low Middle High OPTION1No. 1001112No. 2010103 Polling key Yes No 0 OPTIONHandset receiver volume Low Low M

UX-355LFO-775L1 Reserved 02 Reserved 03 Reserved 04 Reserved 05 Reserved 06 Reserved 07 Reserved 08 Reserved 01 LCR short time Binary input 0 OPTION2N

UX-355LFO-775L• Soft switch function descriptionSW-A1 No. 1 Protect from echoUsed to protect from echo in reception.SW-A1 No. 2 Forced 4800BPS recepti

UX-355LFO-775LSW-A5 No. 5, No. 6 Digital cable equalizer setting(Reception for Caller ID)Line equalization when reception for CALLER ID is to be set a

UX-355LFO-775LSW-B6 No. 6 Dial tone detection (LCR center call)Used to set YES/NO of dial tone detection (calling LCR center).SW-B6 No. 7, No. 8 Reser

1 – 1UX-355LFO-775LCHAPTER 1. GENERAL DESCRIPTION[1] SpecificationsAutomatic dialing: Rapid Key Dialing: 7 numbersSpeed Dialing: 40 numbersImaging fil

UX-355LFO-775LSW-D2 No. 4 ReservedSet to "0".SW-D2 No. 5 Caller ID functionUsed for Caller ID function.SW-D2 No. 6 Caller ID detect during C

UX-355LFO-775L2 – 17SW-I7 No. 1 ~ No. 8 ReservedSet to "0".SW-J1 No. 1 Activity report printThis soft switch is used to select: whether or n

UX-355LFO-775L2 – 18SW-L1 No. 5 Cut off mode (COPY mode)Whether the excessive part is printed on the next recording paper ordiscarded is selected to c

UX-355LFO-775L[3] TroubleshootingRefer to the following actions to troubleshoot any of the problems men-tioned in 1-4.[1] A communication error occurs

UX-355LFO-775L[4] Error code table1. Communication error code tableG3 TransmissionCode Final received signal Error Condition (Receiver side)0 Incomple

UX-355LFO-775LCHAPTER 3. MECHANISM BLOCKS[1] General description1. Document feed block and diagramFig. 12. Document feed operation1) The original, whi

UX-355LFO-775LFig. 43-5. Documents requiring use of document carrier1) Documents smaller than B6 148mm (W) x 140mm (L).2) Documents thinner than the t

UX-355LFO-775L[2] Disassembly and assembly procedures• This chapter mainly describes the disassembly procedures. For the assembly procedures, reverse

UX-355LFO-775L7 Screw (4×6) 18 AC cord ass’y 19 Screw (3×10) 210 Drive unit 111 Speaker hold spring 112 Speaker 1Fig. 2PWB’s, drive unit, AC cord ass’

UX-355LFO-775LPaper roller etc. and sensor lever3Fig. 33 – 57 Platen lock lever, left 18 Platen lock lever, right 19 Platen lock lever spring 110 PO r

1 – 2UX-355LFO-775L[2] Operation panelJKLSPEEDDIALREDIALSPEAKERHOLD/SEARCHSTOPCOPY/HELPSTART/MEMORYVOLUMEDOWN UPRECEPTIONMODERESOLUTION FUNCTI

UX-355LFO-775L17 Reduction gear, 4 118Planet gear lever C ass’y119Planet gear lever B ass’y120 Reduction gear, 1 121 Cam hold spring 122 Cam A 123 Cam

UX-355LFO-775LFig. 53 – 78 CIS unit 19 CIS earth sheet 110 CIS spring 211 Cover switch spring 112 Cover switch lever 113 Feed roller shaft 114 Feed ro

UX-355LFO-775LUpper cabinet and document guideupper unitFig. 63 – 8Parts list (Fig. 6)No. Part name Q’ty No. Part name Q’ty1 Screw (3×8) 22 Document g

UX-355LFO-775LFig. 73 – 98 Pinch roller shaft 19 Separate spring 110 Separator plate 111 Paper feed spring 112 Separator rubber 113 Guide roller 114 D

UX-355LFO-775L19 Platen bearing, right 120 Platen roller 121 PU shaft 122 PU roller ass’y 123P-IN sensor lever spring124P-IN sensor lever125 Sub frame

UX-355LFO-775LTop cover and RP hopper9Fig. 93 – 119 RP release plate 110 Rotation plate 111 RP pad 112 C-spring 113 Separate plate 114 Separate plate

UX-355LFO-775LThermal head10Fig. 103 – 12Parts list (Fig. 10)No. Part name Q’ty No. Part name Q’ty1 Mechanism unit 12 Screw (3×10) 13 Head cover 14 Sc

UX-355LFO-775LFig. 11Wire treatment113 – 13Parts list (Fig. 11)1 Screw (3×10) 12 Screw (4×6) 13 Core (F2125) 14 Screw (3×6) 1No. Part name Q’ty21AC co

UX-355LFO-775L4 – 1[1] Block diagramCHAPTER 4. DIAGRAMSSRAM256kbitROM2MbitCPUCPU I/FTIMERRTCPIOWATCHDOGTIMERCLOCK32.768kHzINTERRUPTCONTROLLERCIS I/FMO

UX-355LFO-775L[2] Wiring diagram4 – 26CAM SW26THERMAL HEADCONTACT IMAGE SENSORLCD UNITCNLCDOPERATIONPANEL PWBNUIT14CNPN16715CNCSWCNMTCNTHCNCISCNPN CNS

1 – 3UX-355LFO-775L[3] Transmittable documents1. Document Sizes* With special sizes, only one sheet can be fed into the machine at atime. Insert next

UX-355LFO-775L4 – 3TX/RXMOTORTPBDTPADTPBDTPADVMTVMT123456123456789101112131415161234567891011121314151612345678910111213141512345678910111213141512345

UX-355LFO-775LCHAPTER 5. CIRCUIT DESCRIPTION[1] Circuit description1. General descriptionThe compact design of the control PWB is obtained by using CO

UX-355LFO-775L[2] Circuit description of control PWB1. General descriptionFig. 2 shows the functional blocks of the control PWB, which is com-posed of

UX-355LFO-775L1VSS − Digital ground.2 D[3] I/O Tu 13Xs CPU data bus.3 D[2] I/O Tu 13Xs CPU data bus.4 D[1] I/O Tu 13Xs CPU data bus.5 D[0] I/O Tu 13Xs

UX-355LFO-775L5 – 464 GPIO[5]/SSCLK2 I/O Hu 13Xs GPIO[5] or SSIF2 clock.65 GPIO[10]/SSSTAT2 I/O Hu 13Xs GPIO[10] or SSIF2 status.66 VDRAM − DRAM batte

UX-355LFO-775L5 – 5127 GPO[27]/BUSY O * 13Xs GPO[27] or P1284 returned status to host.128 GPO[28]/PERROR O * 13Xs GPO[28] or P1284 returned status to

UX-355LFO-775L(2) Panel control blockThe following controls are performed by the SCE114.• Operation panel key scanning• Operation panel LCD display(3)

UX-355LFO-775L(4) Modem (SCE114/20415) blockINTRODUCTIONThe CONEXANT SCE114 modem is a synchronous 14400 bits per sec-ond (bps) half-duplex modem with

UX-355LFO-775L[3] Circuit description of TEL/LIU PWB(1) TEL/LIU block operational description1) Block diagram2) Circuit descriptionThe TEL/LIU PWB is

UX-355LFO-775L5. Externally connected TEL OFF HOOK detection circuit section• The circuit current detection is turned on together with OFF HOOKof main

1 – 4UX-355LFO-775L7. Use of Document Carrier SheetA document carrier sheet must be used for the following documents.• Those with tears.• Those small

UX-355LFO-775L(Example: TEL speaking)NO Signal Name (CNLIUA)1 TELOUT2 TELMUTE3 TELIN4CI5HS6PE7 PINFig. 7Signal Name FunctionRHSH:The handset is in the

UX-355LFO-775L[4] Circuit description of power supply PWB1. Block diagram[5] Circuit description of CIS unit1. CISCis is an image sensor which puts th

UX-355LFO-775LCHAPTER 6. CIRCUIT SCHEMATICS AND PARTS LAYOUT[1] Control PWB circuit 1/6Main control block6 – 1126435BDEFGIHCA126435BDEFGIHCABATRSTPWRD

UX-355LFO-775LMemory block 2/66 – 2126435BDEFGIHCA126435BDEFGIHCAIC3MSM51V4800EDRAM10111213161718A019A120A29A3A4A5A6A7A8A92372286DQ0DQ1DQ2DQ3DQ4DQ5DQ6

UX-355LFO-775LModem block 3/66 – 3126435BDEFGIHCA126435BDEFGIHCADTMFMUTESIGMUTESPMUTERCVOLTXMUTEDPMUTEDPMUTEERLYCIHSPECNLIUA-4CNLIUA-5CNLIUA-6CNLIUA-7

UX-355LFO-775LSensor/Reset/Power supply block 4/66 – 4126435BDEFGIHCA126435BDEFGIHCACSWI(3-4A)DRSNS<DRSNS><+5V>(3-4A)RBNSNS<RBNSNS>(

UX-355LFO-775LVideo processing/Motor drive / Thermal block 5/66 – 5126435BDEFGIHCA126435BDEFGIHCAECBQ1002SA1037VGDGDGVGR1045.1KC1840.01R10310K(1-1F)+3

UX-355LFO-775LAnalog signal block 6/66 – 6126435BDEFGIHCA126435BDEFGIHCA–+–+–+CNLIUA-1CNLIUA-10CNLIUA-9(3-5A)C2040.1C2010.1C1690R1650R181R20039KDGDG+5

UX-355LFO-775LControl PWB parts layout (Top side)6 – 7

UX-355LFO-775LControl PWB parts layout (Bottom side)6 – 8

1 – 5UX-355LFO-775LRemove the used film from the cartridge.Remove the four green gears from the used film.DO NOT DISCARD THE FOUR GREEN GEARS!Remove t

UX-355LFO-775L[2] TEL/LIU PWB circuit

UX-355LFO-775L6 – 10126435BDEFGIHCA126435BDEFGIHCA–+–+–+–+R116620C74.7/50JP16R135C1171C1151IN/OUT(1-5I)CNHJ-4CNHJ-1MJTEL1-2MJTEL1-3CNLIUA-3CNLIUA-9CNL

UX-355LFO-775L6 – 11126435BDEFGIHCA126435BDEFGIHCACNLIUA-15CNLIUB-1CNLIUA-16CNLIUA-4CNLIUA-7CNLIUA-6CNLIUA-5CNLIUA-8CNLIUA-11CNLIUB-2DPONDPONDPMUTEDPM

UX-355LFO-775LTEL/LIU PWB parts layout (Top side)6 – 12

UX-355LFO-775LTEL/LIU PWB parts layout (Bottom side)6 – 13

UX-355LFO-775L[3] Power supply PWB circuit6 – 14CN1MGMG+24VDG1236T1PTTN103D7S3L20U-4004P15457+24V+24V8+5VDGD8SR140C110.1123IC1BA178M05TC140.1ZD4RD30FB

UX-355LFO-775LPower supply PWB parts layout6 – 15F3

UX-355LFO-775L[4] Operation panel PWB circuit6 – 16126435BDEFGIHCA126435BDEFGIHCACNPN-12CNPN-10CNPN-11CNPN-13SEN3LD7SEN2LD6SEN1LD5SEN0LD4SPEEDFUNCREDI

UX-355LFO-775L7 – 1CHAPTER 7. OPERATION FLOWCHART[1] ProtocolNSFDISNSSTCFCEDNSFDISNSSTCFRTCMPSCFRRTCMPSMCFRTCEOPMCFMCFDCNCFRTSICSICSITSIRTCEOPMCFDCNIM

UX-355LFO-775L7 – 2[2] Power on sequence21YESYESCPU initializedMODEM initializedSTOP key ?“WAIT A MOMENT” displaySTARTNOYESSTAND-BY3 sec ?NO“MEMORY CL

1 – 6UX-355LFO-775L3. Assembly and connectionsPlug the power cord into a 120V, 60Hz, grounded(3-prong) AC out-let.• Caution: Do not plug the power cor

UX-355LFO-775L8 – 1CHAPTER 8. OTHERS[1] Service tools1. ListExtension board unitNO. PARTS CODE DESCRIPTION Q’TYPRICERANK1 C P W B S 3 0 0 2 S C S 1 Ex

UX-355LFO-775L8 – 22. Description2-1. Relay board unit1. Remove the TEL/LIU PWB, control PWB and Power Supply PWBfrom this unit, and mount the relay b

UX-355LFO-775L8 – 33. Shading paperThe white and black basis is applied to remember the shading wave-form. Be sure to perform this operation when repl

UX-355LFO-775L8 – 4[2] IC signal nameCONTROL PWB UNITIC4: VHiTD62001AP1 (TD62001AP)IC5: VHiNJM2113M-1 (NJM2113M)IC2: VHiW24258S7LE (W24258S-70LE)IC7:

UX-355LFO-775L8 – 5IC10: VHiSCE114//-1 (SCE114)1411421431441451461471481491501511521531541551561571581591601611621631641651661671681691701711721731741

UX-355LFO-775L8 – 6[3] Changing the record paper sizeHow to change the A4 size and letter size of the record papers1) It becomes the record paper of t

UX-355LFO-775L8 – 7M E M O

UX-355LFO-775LCONTENTSPARTS GUIDEUX-355LMODEL FO-775LBecause parts marked with " " are indispensable for the machine safety maintenance and

UX-355LFO-775L[1] Cabinet, etc.– 1 –242824141025222119DRIVEUNIT27161626868646444588492029351587B2x9B4B2x256478B2x2B2B5B2B28521DOCUMENTGUIDE UPPERB7995

NO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTIONUX-355LFO-775L– 2 –[1] Cabinet,etc.1 DCEKP253CXH01 BF N E Operation panel unit [355L]DCEKP253CXH02 BF

1 – 7UX-355LFO-775L Pull the paper release plate toward you.Push the paper release plate back down.• If the paper release plate is not pushed down, pa

NO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTIONUX-355LFO-775L[2] Top cover and sub frame– 3 –[2] Top cover and sub frame1 GCOVA2403XHYE AL N C Top co

NO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTIONUX-355LFO-775L[3] Upper cabinet– 4 –[3] Upper cabinet1 GCABA2365XHSA AQ N D Upper cabinet [355L]GCABA2

NO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTIONUX-355LFO-775L[4] Document guide upper– 5 –[4] Document guide upper1 LPLTG2911XHZZ AE C Separator rubb

NO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTIONUX-355LFO-775L[5] Drive unit– 6 –[5] Drive unit1 CGERH2459XH01 AM C Slip gear ass’y2 CLEVP2298XH01 AC

UX-355LFO-775L[6] Packing material & Accessories– 7 –NO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTION[6] Packing material & Accessories1 SPAKC

NO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTIONUX-355LFO-775L– 8 –[7] Control PWB unit1 UBATL2049SCZZ AF B Battery(CR2032T23) [BAT1]2 VCEAGA0JW227M A

NO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTIONUX-355LFO-775L– 9 –[7] Control PWB unit81 VRS-CY1JB000J AA C Resistor(1/16W 0Ω ±5%) [C189]82 VRS-CY1JB

NO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTIONUX-355LFO-775L– 10 –[7] Control PWB unit160 VRS-CY1JB103J AA C Resistor(1/16W 10KΩ ±5%) [R139]161 VRS-

NO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTIONUX-355LFO-775L– 11 –[8] TEL/LIU PWB unit21 VCKYCY1EF104Z AA C Capacitor(25WV 0.1µF) [C118]22 VCCCCY1HH

NO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTIONUX-355LFO-775L– 12 –[9] Power supply PWB unit13 0CBUGFF152BQ/ AD C Capacitor(AMZ-152K50) [C20]14 0CBUG