Sharp UX-258TH, FO-475TH manual Modem, IC3

Page 56

UX-258TH

FO-475TH

6

5

4

3

2

1

I

3/6

I

(6-3A)

(6-4A)

(6-4A)

+5V

M.N.

H

RIN

TXA1

TXA2

L106 0 Ω

C136 L103 68Ω

DG

H

+5V

10/16 N.C.

10/16

C134

1

R101 15

1 47/25

1SS355

1SS355

C2

C1

MAG MAG

(1-6F)

14

7

HCU04

G

C113 C3

MAG DG

+5V

D101

D100

MAG

C111

0.1

C100

0.1

SYSCLK

C135

1,9,11,13

IC3

DG

G

N.C.

N.C.

N.C.

N.C.

R129

0

100P

25

35

45

21

30

43

27

37

38

46

26

28

29

40

39

83

82

44

L104

100

DG

AVDD

VAA1

VAA2

DGNDA1

DGNDA2

DGNDA3

AGND

AGND2

RIN

OH

TALK

TXA1

TXA2

VREF

VC

SR3OUT

SR4IN

5 6

IC3 HCU04

51,91

TRESETSPKR

20

N.C.

N.C.

SAICLK

87

R130

R132

150

R131

150

C109

15P

N.C.

42,49

N.C.

TSTROBE

19

1M

F

N.C.

34,41

N.C.

IAICLK

86

DG

F

N.C.

32,33

N.C.

CLKIN

48

4

HCU04

N.C.

22,31

N.C.

IACLK

50

IC3

X2 16MHz

81

TXDAT

24

DG

DGND4

SR4OUT

90

3

80

DGND3

RXOUT

17

DG

C117

C116

SR3IN

79

0.1

L101

1

C108

15P

0

RMODE

18

+5V

77

VDD3

TMODE

23

DG

66

SR1IO

88

C114 5P

DGND2

74

C126 C110

C144 C112

XTLO

DG

0.10.1

L102

R263 470

58

VDD2

0

DG

97

DGND5

16

DGND1

73

XTLI

6

VDD1

EYESYNC

84

N.C.

E

+5V+5V

L105

00

11

IC1

R96V24

EYECLK

85

N.C.

R113

X1

49.92MHz

C101

1000P

L100C115

3.3µH5P

E

89

N.C.

93

DCLK

EYEXY

N.C.

92

RLSD

76

N.C.

67

CTS

YCLK

N.C.

R102

N.M. DG

MAG

N.M.

DG R143

10K

N.C.

100

RXD

XCLK

75

N.C.

D

96

RTS

EN85

94

C221

DG

D

RHSC218

1000P

+5V

99

TXD

SLEEP

36

R142

C220

DG

R255

10K

N.M.

C203

DG

470

10K

RA3

CNLIUA-6

95

GPI0

GP00

71

R104

MPXC

CNLIUB-5

CNTH-6

RANK

98

GPI1

GP01

70

MPXA

CNLIUB-3

DG

R122

470

R266

10K

54

GPI2

GP02

69

R103 270

R256

LEDON

(5-5F)

C196 100P

55

GPI3

GP03

65

R112

E-RELAY

CNLIUB-6

56

GPI4

GP04

64

R109 270

RCVOL

(6-2A)

57

GPI5

GP05

63

R144 270

VOLA

(6-2H)

58

GPI6

GP06

62

R145 270

VOLB

(6-2H)

60

GPI7

WRITE

RESET

GP07

61

R111 270

VOLC

(6-1H)

C

R116

10K

RS4

RS3

RS2

RS1

RS0

D7

D6

D5

D4

D3

D2

D1

D0

CS

READ

IRQ1

IRQ2

POR

C

+5V

1

2

3

4

5

7

8

9

10

11

12

13

14

52

53

15

68

78

72

47

C127 0.01

N.C.

DG

MAG

A4

A3

A2

A1

A0

D7

D6

D5

D4

D3

D2

D1

D0

R110

10

R147

10

R100

N.M. MAG

N.M.

264R

R265

N.M.

B

R115

33K

DG

B

block

MCS

RD

WR

MIRQ

MDMRST

A[4~0]

D[7~0]

(1-3I)

(1-3I)

(1-3I)

(1-6F)

(1-5A)

A

Modem

A

6

5

4

3

2

1

6 – 3

Image 56

Contents Facsimile Il y a danger d’explosion s’ il y a remplacement incorrect Specifications Operation panel Transmittable documents Installation Use of Document Carrier SheetSite selection ConnectionsOriginal document support Loading the fax paperClearing a jammed document Clearing jammed fax paperUsing the answering machine Quick reference guideFunction key menu Transmitting documentsAdjustments Diagnostic items Diagnostics and service soft switchOperating procedure Entering the diagnostic mode Diagnostic items description Soft switch mode Aging modeCheck pattern mode Signal send modeHow to make soft switch setting Entry data receiveFlash memory check Flash memory clearOption 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-A6 No CNG transmission in manual TX mode SW-B4 No Auto dial mode Delay timer of before line connectSW-B4 No Auto dial mode Delay timer of after line connect SW-B4 No Dial modeSW-D1 No Automatic switching manual to auto receive mode SW-E1 No Tel/Fax Automatic switching modeSW-E1 No CNG detect time at TEL/FAX mode SW-F2 No CNG detection in STAND-BY modeSW-H2 No Fax switching when A.M. full SW-I2 No Alarm during two way recordingSW-H1 No Reserved SW-H1 No Busy tone continuous sound detect timeSW-J1 No Sender’s phone number setting SW-J1 No , No Ringer volumeSW-J2 No ~ No Speaker volume 5 stages SW-K1 No Entering Diag mode by pressing Speed keyTroubleshooting ATTG3 Reception Error code tableCommunication error code table G3 Transmission General description Documents requiring use of document carrier Document release GeneralCross section view Recording block 5-1. General viewDisassembly and assembly procedures Handset cover and paper support guidePWB case top, bottom and PWB Screwdriver Hook CIS support 11 ,13 Stopper plate Operation panel unit and scanner frameDocument guide upper unit and head frame Document guide upper LCD PWB Operation panelGAP Hopper Guide R Guide L 1211 Drive unit, PWB and cutterRib Speaker and paper sensor leverDrive frame 1811PWB Wire treatmentTEL/LIU Block diagram CutterWiring diagram Power Supply PWB UnitControl PWB Unit TEL/LIU PWB UnitPoint- to-point diagram Circuit description Circuit description of control PWB Description of each block Main control blockFC200 IC2 Terminal descriptions Ledctl 4XC Lcdcs 1XCGPIO0 2XC GPIO1/SASTXD 2XCPanel control block Mechanism/recording control blockModem R96V24 block IntroductionR96V24 IC1 Hardware Interface Signals Pin Signals 100-Pin PqfpBlock diagram Circuit description of TEL/LIU PWBTEL/LIU block operational description Circuit descriptionSignal/DTMF transmission level & receiving level Signal selectionExternally connected TEL OFF Hook detection circuit section CI detection circuitExample TEL speaking Circuit description of power supply PWB Circuit description of CIS unitCircuit Block ControlPWBMemory block 44PIN TsopModem IC3Other block 2902Video processing/Motor drive / Thermal block ULN2003AAnalog signal block IC5Control PWB parts layout Top side Control PWB parts layout Bottom side These marks are all safety-critical parts TEL/LIU PWB circuitTEL/LIU PWB parts layout Power supply PWB circuit NJM78M05FAPower supply PWB parts layout Operation panel PWB circuit IC101 74HC147Operation Flowchart ProtocolPower on sequence Relay board unit Service toolsList Description Relay board unit OFFShading paper IC signal name IC13 VHiULN2003AN/ ULN2003AIC7 VHiW24257S7LL W24257S-70LLT IC3 VHiMC74HCU04FMC74HCU04F IC6, 10 VHiHCF4053M1T HCF4053BIC11, 12 VHiLM2902D/-1 LM2902D IC8 VHi27C02015Ti IC5 VHiHEF4051BT1 HEF4051BTIC4 VHiMC34119DR2 MC34119DR2 IC100 VHiPST596CMT1 PST596CNRIC1 VHiR96FC20V24 R96V24 IC2 VHiR96FC20V24 FC200 IC1 VHiNJM2904D-1 NJM2904D