Sharp FO-475TH, UX-258TH manual Memory block, 44PIN Tsop

Page 55

A

B

C

D

E

F

G

H

I

-FO475TH

-UX258TH

Memory block

2/6

6

(1-5I)

A[17~0]

6

(1-6I)

D[7~0]

IC8

IC7

IC9

27C020

KM29N040T

W24257S-70LL

A17

30

(44PIN TSOP)

A17

A16

2

21

D7

A14

1

19

D7

FCLE

2

27

R198 150

D7

A16

DQ8

A14

IO8

(1-5A)

CLE

1/O 7

A15

3

A15

DQ7

20

D6

A13

26

A13

IO7

18

D6

1/O 6

26

R200 150

D6

A14

29

19

D5

A12

2

17

D5

FALE

3

25

R197 150

D5

A14

DQ6

A12

IO6

(1-5A)

ALE

1/O 5

A13

28

A13

DQ5

18

D4

A11

23

A11

IO5

16

D4

FWR

4

1/O 4

24

R199 150

D4

5

A12

4

A12

DQ4

17

D3

A10

21

A10

IO4

15

D3

(1-4A)

WE

1/O 3

21

R225 150

D3

A11

25

15

D2

A9

24

13

D2

20

R228 150

D2

5

A10

23

A11

DQ3

14

D1

A8

25

A9

IO3

12

D1

(4-1D)

CE2

5

1/O 2

19

R224 150

D1

A10

DQ2

A8

IO2

WP

1/O 1

A9

26

A9

DQ1

13

D0

A7

3

A7

IO1

11

D0

1/O 0

18

R227 150

D0

A8

27

A8

A6

4

A6

A7

5

A5

5

28

44

A7

A5

VDD

VBT

VCC

+5V

A6

6

A6

PGM

31

A4

6

A4

C161

VCC

23

A5

7

32

+5V

VBT

A3

7

A5

VCC

A3

0.1

A4

8

A4

VPP

1

A2

8

A2

VSS

14

A3

9

A3

C189

R176

A1

9

A1

FREADY

C195

A2

10

A0

10

41

0.1

22K

(1-4A)

R/B

A2

A0

DG

0.1

A1

11

16

A1

GND

CE1

20

FRD

42

40

4

A0

12

A0

(1-3I)

CS1

(1-4A)

RE

GND

(1-3I)

ROMCS

22

E

DG

(1-3I)

WR

27

WE

VSS

1

4

24

CE2

22

(1-3A)

FCS1

43

22

G

(4-1D)

R177

CS2/OE

CE

VSS

N.M.

DG

R158

6 –

0

RD

2

(1-3I)

3

3

2

2

1

1

A

B

C

D

E

F

G

H

I

Image 55

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 Operating procedure Entering the diagnostic mode Diagnostics and service soft switchDiagnostic items 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 checkData Soft switch descriptionOption 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 TroubleshootingCommunication error code table G3 Transmission Error code tableG3 Reception 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 GAP Hopper Guide R Guide L Operation panelLCD PWB Drive unit, PWB and cutter 1211Speaker and paper sensor lever Rib1811 Drive frameTEL/LIU Wire treatmentPWB 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 List Service toolsRelay board unit 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