Sharp UX-A255U Wartungshandbuch

UX-A255UNo. 00ZUXA255USMECHAPTER 1. GENERAL DESCRIPTION[1] Specifications ... 1-1[2] Operation panel...

UX-A255U3. 12. Entry data receiveIn this mode, the registered data sent from the other machine is receiv-ed and the received data is registered in the

UX-A255U5. Soft switch description• Soft switch2 – 51 Protect from echo No Yes 02 Forced 4800 BPS reception Yes No 03 Footer print Yes No 04 Length li

UX-A255U2 – 61 Reserved 02 End Buzzer Yes No 13 Disconnect the line when DIS is received in No Yes 1RX mode4 Equalizer freeze control (MODEM) On Off 0

UX-A255U2 – 71 DTMF signal transmission level (High) Binary input 02 No. = 16 8 4 2 1 03 1 2 3 4 5 14 0 0 1 0 1 05 16Dial t

UX-A255U1 Reserved 02 Reserved 03 Reserved 04 Reserved 05 Reserved 06 Reserved 07 Reserved 08 Reserved 01 Reserved 02 Reserved 03 Reserved 04 Reserved

UX-A255U2 – 91 Reserved 02 Reserved 03 Reserved 04 Reserved 05 Reserved 06 Reserved 07 Reserved 08 Reserved 01 Reserved 02 Reserved 03 Reserved 04 Res

UX-A255U2 – 101 A.M. quiet detect time Binary input 02 No. = 16 8 4 2 1 03 1 2 3 4 5 14 00110 15 06 Reserved 07 Reserved 08 Reserved 01 Reserved

UX-A255U2 – 111 Reserved 02 Reserved 03 Sender’s phone number setting Cannot change Change allowed 04 Reserved 05 Reserved 06 Summer time setting No Y

UX-A255U2 – 12Paper set size LETTER LEGAL A4 OPTION1 No. 1 0 0 1 02 No. 2 0 1 0 03 Automatic reduce of receive Auto 100 % 1 OPTIONPrint contrast Norma

UX-A255UTX RXCEDDIST2 – 13• Soft switch function descriptionSW-A1 No. 1 Protect from echoUsed to protect from echo in reception.SW-A1 No. 2 Forced 480

UX-A255U(Danish) ADVARSEL !Lithiumbatteri-Eksplosionsfare ved fejlagtig håndtering.Udskiftning må kun ske med batteri af samme fabrikat og type.Levér

UX-A255URAPID01 CML RELAY ONDIALLINGNo.6 No.70 0 0sec0 1 1.5sec1 0 3

UX-A255U1S 1S0.5SRINGPATTERN 5for CANADA0.25S0.25S0.2S6S2S ring4S ring1.5S ring3S ring1S ring4S ring1.5S ring4S ring0.8S4S ring0.3S4S ring0.4S4S ring1

UX-A255UAB400msec2000msec1 22 – 16SW-D2 No. 4 ReservedSet to "0".SW-D2 No. 5 Caller ID functionUsed for Caller ID function.SW-D2 No. 6 Calle

UX-A255U2 – 17SW-I3 No. 3 Two way record functionIf this switch is set to "1", the machine disables two way recording.SW-I3 No. 4 Toll saver

UX-A255U2 – 18SW-I7 No. 3, No. 4 AGC slew rate (Mic)The AGC Slew Rate controls the convergence of the message playbacklevel to the desired playback le

UX-A255U4 – 1CHAPTER 4. DIAGRAMSDRAM4MbitFLASH ROM2MbitCPU I/FTIMERRTCWATCHDOGTIMERCLOCK32.768kHzINTERRUPTCONTROLLERCIS I/FVIDEOPROCESSINGMOTOR I/FSEN

UX-A255U4 – 26CAM SW26THERMAL HEADCONTACT IMAGE SENSORLCD UNITCNLCDOPERATIONPANEL PWBNUIT14CNPN-A15716CNCSWCNMTCNTHCNCISCNPN CNSPSPEAKERCNLIUACNPW146C

UX-A255U4 – 31234567891011121314151612345678910111213141516TX/RXMOTORTPBD-TPAD-TPBDTPADVMTVMT123456123456789101112131415161234567891011121314151234567

UX-A255UCHAPTER 5. CIRCUIT DESCRIPTION[1] Circuit description1. General descriptionThe compact design of the control PWB is obtained by using CONEXANT

UX-A255U[2] Circuit description of control PWB1. General descriptionFig. 2 shows the functional blocks of the control PWB, which is com-posed of 4 blo

1 – 1UX-A255UAs a part of our policy of continuous improvement, SHARP reserves the right to make design and specification changes for productimproveme

UX-A255U12) Video ProcessingThe CX06835 supports two modes of shading correction for scannerdata non-uniformity arising from uneven sensor output or u

UX-A255UB) Modem block1) Facsimile ModemThe modem can operate at 14400, 12000, 9600, 7200, 4800, 2400, or300 bps, and can perform HDLC framing per T.3

UX-A255UIACR1 0 0 0 0 0 D0 0 1IACR2 0 0 0 0 0 D4 0 1IACR3 0 0 0 0 0 D5 0 1IAADD 0 0 0 0 0 CE 0, 1 0, 1NOTES: *Registers to use when x=1. When x=2, add

UX-A255U1 VDDPLL ———PLL Power2 VSSPLL ———PLL GND3 ROMCSn O — 13Xs —4 SYNC/GPO[20] O — 13Xs —5 WRn O — 13Xs —6 RDn O — 13Xs —7 DEBUGn I Hu ——8 TSTCLK O

UX-A255U5 – 764 VDD ———Digital Power65 GPIO[11]/BE/SERINP/SR4IN I/O Hu 13Xs —66 GPIO[19]/RDY/SEROUT I/O Hu 13Xs —67 START O — 2XC —68 CLK1n/GPO[25] O

UX-A255U5 – 8127 A[12] I/O Tu 13Xs CPU Address Bus128 A[13] I/O Tu 13Xs CPU Address Bus129 A[14] I/O Tu 13Xs CPU Address Bus130 A[15] I/O Tu 13Xs CPU

UX-A255U(3) Panel control blockThe following controls are performed by the SCE214V.• Operation panel key scanning• Operation panel LCD display(4) Mech

UX-A255U[3] Circuit description of TEL/LIU PWB(1) TEL/LIU block operational description1) Block diagram2) Circuit descriptionThe TEL/LIU PWB is compos

UX-A255U4) Signal selectionThe following signals are used to control the transmission line of TEL/FAX signal. For details, refer to the signal selecto

UX-A255U5 – 12(Example: SENDING/RECEIVING)Signal Name FunctionRHSH:The handset is in the on-hook state.L: The handset is in the off-hook state.CI Inco

1 – 2UX-A255U[2] Operation panel121110 13145239781. DisplayThis displays messages and prompts to help you operate the machine.2. REC/MEMO keyPress thi

UX-A255U[4] Circuit description of power supply PWB1. Block diagram[5] Circuit description of CIS unit1. CISCis is an image sensor which puts the orig

UX-A255UCHAPTER 6. CIRCUIT SCHEMATICS AND PARTS LAYOUT[1] Control PWB circuit 1/6Main control block6 – 1AABBCCDDEEFFGGHHII6 65 54 43 32 21 1STRB3-STRB

UX-A255UAABBCCDDEEFFGGHHII6 65 54 43 32 21 1A0A1A2A3A4A5A6A7A8A9A10A11A12A13A14A15A16A17A18D0D1D2D3D4D6D7D5A0A1A3A2A4A5A7A6A8A9D0D1D2D3D4D5D6D7DG DG(1

UX-A255UFAX Modem block 3/66 – 3AABBCCDDEEFFGGHHII6 65 54 43 32 21 1DGDGDGDG(6-1C)(6-6E)(6-2E)(6-4E)DGTHRANKDPONDGPINRHS-HS-CI-DTMFMUTESIGMUTEDG(6-3E)

UX-A255UAABBCCDDEEFFGGHHII6 65 54 43 32 21 1CSW-FRSNS-ORGSNS-DGDGMGFGVREGDG+24V+24VDGDGMGMG(3-3A)(1-1G)DGDGDG(3-3A)(3-3A)(3-3A)DGFILMDGDGDG+3.3VDG DGD

UX-A255UVideo processing/Motor drive/Thermal block 5/66 – 5AABBCCDDEEFFGGHHII6 65 54 43 32 21 1VGVGVODGVGMG MGVMTVMTTPADTPBDTPAD-TPBD-THGTHGTHGMGVTHVT

UX-A255UAABBCCDDEEFFGGHHII6 65 54 43 32 21 1DG(3-5A)NOT MOUNTEDDG DGSIGRX(3-2H)SP-SP+DG(3-5A)TELOUTDG(1-1F)(3-2H)TELINDG(3-5A)(3-3H)DGRXIN(3-1A)DG(3-1

UX-A255UControl PWB parts layout (Top side)6 – 7

UX-A255UControl PWB parts layout (Bottom side)6 – 8

UX-A255U[2] TEL/LIU PWB circuit

1 – 3UX-A255UThe stackshould notbe higherthan this line.13Plug the power cordinto a 120 V groundedoutlet.Connect the telephoneline cord to the TEL. LI

UX-A255U TEL/LIU PWB circuit

UX-A255UTEL/LIU PWB circuit

UX-A255UTEL/LIU PWB parts layout (Top side)6 – 12

UX-A255UTEL/LIU PWB parts layout (Bottom side)6 – 13

UX-A255U[3] Power supply PWB circuit

UX-A255UPower supply PWB parts layout (Top side)6 – 15Power supply PWB parts layout (Bottom side)

UX-A255U5544332211D DC CB BA AD11SS13350SW28STARTSW1R4C222/50+UPR11DOWNR54AR67REC/MEMOINTERCOMR3JPD61SS133C1N.M.REDIALD71SS133N.M.STOPCOPYD31SS133PLAY

UX-A255U6 – 17Operation panel PWB parts layout(Top side)Operation panel PWB parts layout(Bottom side)Note: Since the parts of PWB cannot be supplied,

UX-A255U6 – 18AABBCCDDEED DC CB BA A261114412168SEN3ORGSNS-ESEN1+3.3V13579101315SEN0SEN2SEN4SEN5SEN6FRSNS-DGKEN4AKEN1AKEN2AKEN3ACNPN261114412168SEN3OR

UX-A255UCONTENTSPARTS GUIDEBecause parts marked with " " are indispensable for the machine safety maintenance and operation, it must berepla

1 – 4UX-A255USTORING AUTO DIAL NUMBERS1. Press once and twice.2. Enter the full fax/phone number.3. Press .4. Enter the

UX-A255U[1] Cabinet,etc.– 1 –OPERATIONPANEL UNITDOCUMENTGUIDE UPPERTOP COVER/SUB FRAMEDRIVEUNIT6227223031282526262945735544650525153563536375848478660

NO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTIONUX-A255U– 2 –[1] Cabinet,etc.3 CCNWN484AXH01 AL C Speaker ass’y4 CLEVP2358XH01 AD C Hook switch lever

UX-A255U[2] Top cover/Sub frame– 3 –NO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTION[2] Top cover/Sub frame1 GCOVA2448XHSA AG C Top cover2 MSPRC3301XH

UX-A255U– 4 –[3] Upper cabinet/Document guide upperNO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTION[3] Upper cabinet/Document guide upper1 GCASP2145XH

UX-A255U– 5 –[4] Drive unitNO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTION[4] Drive unit1 CGERH2314XH04 AR C Slip gear ass’y2 CLEVP2359XH01 AD C Plan

UX-A255U– 6 –[5] Packing material & AccessoriesNO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTION[5] Packing material & Accessories1 DUNTK468BXH

NO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTIONUX-A255U– 7 –[6] Control PWB unit1 UBATL2049SCZZ AF B Battery(CR2032T23) [BAT1]2 VCEAGA0JW227M AD C Ca

NO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTIONUX-A255U– 8 –[6] Control PWB unit81 VCKYCY1HB102K AA C Capacitor(50WV 1000PF) [C200]82 VCKYCY1HB102K A

NO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTIONUX-A255U– 9 –[6] Control PWB unit161 VRS-CY1JB203J AA C Resistor(1/16W 20KΩ ±5%) [R152]162 VRS-CY1JB10

NO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTIONUX-A255U– 10 –[7] TEL/LIU PWB unit39 VHINJM2904M-2 AG B IC(NJM2904M) [IC102]40 VRS-HT3AA510J AA C Resi

UX-A255U4. Volume adjustmentYou can adjust the volume of the speaker, handset, and ringer using theUP and DOWN arrow keys.(1) Speaker1. Press the SPEA

NO.PARTS CODEPRICERANKNEWMARKPARTRANKDESCRIPTIONUX-A255U– 11 –[8] Power supply PWB unit28 0CBUZZ0203ZZ/ AK C Inductor(RS908) [L2]29 0CBLRZ6803ZP/ AQ C

No.NEWMARKPARTRANKPRICERANKPARTS CODE No.NEWMARKPARTRANKPRICERANKPARTS CODE No.NEWMARKPARTRANKPRICERANKPARTS CODEUX-A255U– 12 – I n d e x x[C]CCNWN484

No.NEWMARKPARTRANKPRICERANKPARTS CODENo.NEWMARKPARTRANKPRICERANKPARTS CODENo.NEWMARKPARTRANKPRICERANKPARTS CODEUX-A255U– 13 –VCKYCY1AF105Z 6-41 AC C″

No.NEWMARKPARTRANKPRICERANKPARTS CODE No.NEWMARKPARTRANKPRICERANKPARTS CODE No.NEWMARKPARTRANKPRICERANKPARTS CODEUX-A255U– 14 –0CBUBC0336AZ/ 8-21 AL

UX-A255USHARP CORPORATIONCommunication Systems GroupQuality & Reliability Control CenterHigashihiroshima, Hiroshima 739-0192, JapanPrinted in U.S.

UX-A255U2. Diagnostic items1 SOFT SWITCH MODE Soft switches are displayed and changed. List can be output.2 ROM & RAM CHECK ROM is sum-checked, an

UX-A255U3. Diagnostic items description3. 1. Soft switch modeUsed to change the soft switch settings.The soft switch which is stored internally is set