Sharp FO-475TH, UX-258TH manual Panel control block, Mechanism/recording control block

Page 47

UX-258TH

FO-475TH

(2) Panel control block

The following controls are performed by the FC200.

Operation panel key scanning

Operation panel LCD display

(3) Mechanism/recording control block

Recording control block diagram (1)

 

 

 

OPERATOR

PANEL/LCD PWB

PANEL,

KEYPAD,

 

 

 

LEDS & LCD

 

 

 

 

 

 

 

 

THERMAL HEAD

PRINTER DATA

CONTROI &

 

 

 

SENSORS

 

 

 

 

 

 

 

 

MOTOR

PRINTER &

SCANNER

 

 

 

 

 

 

MOTOR DRIVERS

 

 

 

 

 

 

 

 

 

 

 

SCANNER

 

 

 

CONTROLS &

 

 

 

SENSORS

CIS

 

 

 

 

 

 

 

 

 

 

SCANNER

 

 

 

VIDEO

 

 

 

PREPROCESSING

 

 

 

 

 

 

 

 

 

 

 

SYNC PORTS (2)

 

 

 

(SSIF)

 

 

 

 

 

 

 

 

 

 

 

GENERAL

 

 

 

PURPOSE I/O

 

 

 

 

 

 

 

 

 

 

 

SYNC/ASYNC

 

 

 

SERIAL

 

 

 

PORT

 

 

 

 

OPO[7:0]*

OPI[3:0]*

LEDCTL*

LCDCS*

STRB[3:0]

STRBPOL

THADI

PDAT

PCLK

PLAT

PM[3:0]*

SM[3:0]*

START

CLK2

CLK1

CLK1N

VIDCTL[1:0]

VIN

+VREF

–VREF

SSCLK[2:1]*

SSTXD[2:1]*

SSRXD[2:1]*

SSSTAT[2:1]*

GPIO

SASCLK

SASTXD

SASRXD

EXTENDED FACSIMILE CONTROLLER FC200

TEST

 

 

 

 

 

 

 

BATRSTN

 

 

 

 

 

 

 

RESETN

 

 

 

 

 

TELEPHONE

 

 

 

 

 

 

 

 

 

 

 

 

LINE

TONE/ALTTONE

 

 

 

 

 

 

TSTCLK

 

 

RXIN

LINE

 

 

SPEAKER

REGDMA

 

 

 

 

 

 

 

TXOUT

 

MICROPHONE

 

 

INTERFACE

 

WAITN

 

 

 

 

 

CIRCUIT

 

 

 

 

 

 

 

 

 

 

 

 

 

SYNC

 

 

 

RXA

TXA

SPKR

MIC

PWRDWNN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANALOG

 

XIN

 

 

 

SWITCH

 

 

RTC

 

 

 

 

 

XOUT

 

 

 

 

 

 

 

CRYSTAL

TXA2 TXA1

 

 

 

 

 

 

 

SPKRHI

SPKRLO

RIN

SYSCLK

 

 

RIN

MIRON

 

 

 

SPKR

 

 

 

MCSN

 

 

 

 

 

 

 

 

 

 

MONOFAX

RXDAT

 

 

 

 

 

A[4:0]

TXDAT

 

 

 

 

EXTERNAL

FACSIMILE

 

 

 

 

D[7:0]

RMODE

 

 

 

 

MODEM

 

 

XIA

 

 

 

 

 

 

RDN

 

TMODE

 

 

 

 

WRN

 

CLKIN

 

 

 

 

BUS

 

 

SLEEPN

 

 

 

A[23:0]

 

 

 

 

 

 

 

 

 

 

 

 

 

D[7:0]

 

 

GPIO

 

 

 

 

RDN

 

 

 

 

 

GPIO

 

 

 

 

 

 

WRN

 

 

 

 

 

 

 

ROMSCN

 

 

 

 

 

 

 

 

 

 

CAS[0,1]N,RASN,DWRN

 

 

DRAM

CS[5:0]N*

 

 

 

 

 

 

 

 

 

 

 

 

(OPTION)

WRPROTN

 

 

 

 

 

 

 

FRDN*

 

 

 

 

 

 

 

FRWN*

 

 

FLASH MEMORY

 

 

 

 

FCLE*

 

 

 

 

 

 

 

 

 

 

 

 

 

FCS[0:2]

 

 

 

 

 

 

 

DEBUGN

 

 

 

 

 

 

 

VDD

 

 

 

 

 

 

 

VDRAM

 

 

 

 

 

 

 

VBAT

 

 

 

NOTES:*ALTERNATIVE GPO,GPI OR GPIO LINES

VSS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SPEAKERPHONE ONLY

 

 

 

 

 

VOICE OR SPEAKERPHONE

Fig. 4

5 – 5

Image 47
Contents Facsimile Il y a danger d’explosion s’ il y a remplacement incorrect Specifications Operation panel Transmittable documents Connections InstallationUse of Document Carrier Sheet Site selectionLoading the fax paper Original document supportClearing jammed fax paper Clearing a jammed documentTransmitting documents Using the answering machineQuick reference guide Function key menuAdjustments Diagnostic items Diagnostics and service soft switchOperating procedure Entering the diagnostic mode Signal send mode Diagnostic items description Soft switch modeAging mode Check pattern modeFlash memory clear How to make soft switch settingEntry data receive Flash memory checkOption Soft switch descriptionData No. = X 60 sec = 5 min Recall times Binary input Light Dark Darker TEL 0~9 No. = CNG detection in STAND-BY mode Yes Fax switching when A.M. full Yes 10 ~ 25 dBm No. = 12 dB AGC eref access code line Reserved Speaker volume 5 stages Soft switch function description SW-B4 No Dial mode SW-A6 No CNG transmission in manual TX modeSW-B4 No Auto dial mode Delay timer of before line connect SW-B4 No Auto dial mode Delay timer of after line connectSW-F2 No CNG detection in STAND-BY mode SW-D1 No Automatic switching manual to auto receive modeSW-E1 No Tel/Fax Automatic switching mode SW-E1 No CNG detect time at TEL/FAX modeSW-H1 No Busy tone continuous sound detect time SW-H2 No Fax switching when A.M. fullSW-I2 No Alarm during two way recording SW-H1 No ReservedSW-K1 No Entering Diag mode by pressing Speed key SW-J1 No Sender’s phone number settingSW-J1 No , No Ringer volume SW-J2 No ~ No Speaker volume 5 stagesATT TroubleshootingG3 Reception Error code tableCommunication error code table G3 Transmission General description Recording block 5-1. General view Documents requiring use of document carrierDocument release General Cross section viewHandset cover and paper support guide Disassembly and assembly proceduresPWB case top, bottom and PWB Operation panel unit and scanner frame Screwdriver Hook CIS support 11 ,13 Stopper plateDocument guide upper unit and head frame Document guide upper LCD PWB Operation panelGAP Hopper Guide R Guide L Drive unit, PWB and cutter 1211Speaker and paper sensor lever Rib1811 Drive framePWB Wire treatmentTEL/LIU Cutter Block diagramTEL/LIU PWB Unit Wiring diagramPower Supply PWB Unit Control PWB UnitPoint- to-point diagram Circuit description Description of each block Main control block Circuit description of control PWBFC200 IC2 Terminal descriptions GPIO1/SASTXD 2XC Ledctl 4XCLcdcs 1XC GPIO0 2XCMechanism/recording control block Panel control blockIntroduction Modem R96V24 blockPin Signals 100-Pin Pqfp R96V24 IC1 Hardware Interface SignalsCircuit description Block diagramCircuit description of TEL/LIU PWB TEL/LIU block operational descriptionCI detection circuit Signal/DTMF transmission level & receiving levelSignal selection Externally connected TEL OFF Hook detection circuit sectionExample TEL speaking Circuit description of CIS unit Circuit description of power supply PWBControlPWB Circuit Block44PIN Tsop Memory blockIC3 Modem2902 Other blockULN2003A Video processing/Motor drive / Thermal blockIC5 Analog signal blockControl PWB parts layout Top side Control PWB parts layout Bottom side TEL/LIU PWB circuit These marks are all safety-critical partsTEL/LIU PWB parts layout NJM78M05FA Power supply PWB circuitPower supply PWB parts layout IC101 74HC147 Operation panel PWB circuitProtocol Operation FlowchartPower on sequence Relay board unit Service toolsList OFF Description Relay board unitShading paper IC3 VHiMC74HCU04FMC74HCU04F IC6, 10 VHiHCF4053M1T HCF4053B IC signal nameIC13 VHiULN2003AN/ ULN2003A IC7 VHiW24257S7LL W24257S-70LLTIC100 VHiPST596CMT1 PST596CNR IC11, 12 VHiLM2902D/-1 LM2902D IC8 VHi27C02015TiIC5 VHiHEF4051BT1 HEF4051BT IC4 VHiMC34119DR2 MC34119DR2IC1 VHiR96FC20V24 R96V24 IC1 VHiNJM2904D-1 NJM2904D IC2 VHiR96FC20V24 FC200