Sharp UX-258TH, FO-475TH manual Operation panel PWB circuit, IC101 74HC147

Page 66

6

A

B

C

D

E

F

G

H

I

[4] Operation panel PWB circuit

6

5

4

6 – 13

3

2

1

CNLCD-11

LD4

D1

SEN0

1SS270

CNPN-15

FUNC

RESOLUTION

REMINDER

2

3

SPEED

03

04

LD5

CNLCD-12

D3

SEN1

1SS270

CNPN-14

LD6

DOWN

UP

STOP

5

6

REDIAL

05

06

CNLCD-13

D4

SEN2

1SS270

CNPN-13

RECEPTION

COPY

8

9

HOLD

07

08

LD7

CNLCD-14

D5

SEN3

1SS270

CNPN-12

02

START

RS

01

0

#

SPEAKER

09

10

CNLCD-4

D2

SEN4

1SS270

CNPN-11

PLAY

DELETE

REPEAT

REC

+5V

16

R6

R12

R11

R4

R2

R3

R9

R10

R5

100K

100K

100K

100K

100K

100K

100K

100K

100K

CNPN-4

KEN 1A

9

A0 VCC D1

11

CNPN-3

KEN 2A

7

A1

D2

12

CNPN-2

KEN 3A

6

A2

D3

13

CNPN-1

KEN 4A

14

A3

D4

1

15

N.C.

D5

2

D6

3

D7

4

D8

5

IC101

D9

10

74HC147

GND

8

CNPN

1

KEN 4A

+5V

2

KEN 3A

CNPN-10

E

CNLCD-6

3

KEN 2A

4

KEN 1A

CNLCD-5

VO

R7

5

GND

CNLCD-3

+5V

220

6

GND

CNPN-7

CNLCD-2

ORGSNS

CNPN-8

GND

7

+5V

CNPN-6

CNLCD-1

A

C

GND

8

ORGSNS

CNPN-5

R1

SG266

9

FRSNS

C1

C2

6.2K

ORGSNS K

E

FRSNS

22/50

0.022

R8

FRSNS

CNPN-9

10

E

11

SEN4

1K

12

SEN3

13

SEN2

14

SEN1

Note: Since the parts of this PWB can not be supplied, change it as a unit.

15

SEN0

1

4

7

CNLCD

1GND

2+5V

3VO

4RS

5GND

6E

7N.C.

8N.C.

9N.C.

10N.C.

11LD4

12LD5

13LD6

14LD7

5

4

3

2

1

A

B

C

D

E

F

G

H

I

UX-258TH FO-475TH

Image 66

Contents Facsimile Il y a danger d’explosion s’ il y a remplacement incorrect Specifications Operation panel Transmittable documents Site selection InstallationUse of Document Carrier Sheet ConnectionsOriginal document support Loading the fax paperClearing a jammed document Clearing jammed fax paperFunction key menu Using the answering machineQuick reference guide Transmitting documentsAdjustments Diagnostics and service soft switch Operating procedure Entering the diagnostic modeDiagnostic items Check pattern mode Diagnostic items description Soft switch modeAging mode Signal send modeFlash memory check How to make soft switch settingEntry data receive Flash memory clearSoft switch description DataOption 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 Auto dial mode Delay timer of after line connect SW-A6 No CNG transmission in manual TX modeSW-B4 No Auto dial mode Delay timer of before line connect SW-B4 No Dial modeSW-E1 No CNG detect time at TEL/FAX mode SW-D1 No Automatic switching manual to auto receive modeSW-E1 No Tel/Fax Automatic switching mode SW-F2 No CNG detection in STAND-BY modeSW-H1 No Reserved SW-H2 No Fax switching when A.M. fullSW-I2 No Alarm during two way recording SW-H1 No Busy tone continuous sound detect timeSW-J2 No ~ No Speaker volume 5 stages SW-J1 No Sender’s phone number settingSW-J1 No , No Ringer volume SW-K1 No Entering Diag mode by pressing Speed keyTroubleshooting ATTError code table Communication error code table G3 TransmissionG3 Reception General description Cross section view Documents requiring use of document carrierDocument release General 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 Operation panel GAP Hopper Guide R Guide LLCD PWB 1211 Drive unit, PWB and cutterRib Speaker and paper sensor leverDrive frame 1811Wire treatment TEL/LIUPWB Block diagram CutterControl PWB Unit Wiring diagramPower Supply 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 GPIO0 2XC Ledctl 4XCLcdcs 1XC GPIO1/SASTXD 2XCPanel control block Mechanism/recording control blockModem R96V24 block IntroductionR96V24 IC1 Hardware Interface Signals Pin Signals 100-Pin PqfpTEL/LIU block operational description Block diagramCircuit description of TEL/LIU PWB Circuit descriptionExternally connected TEL OFF Hook detection circuit section Signal/DTMF transmission level & receiving levelSignal selection 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 Service tools ListRelay board unit Description Relay board unit OFFShading paper IC7 VHiW24257S7LL W24257S-70LLT IC signal nameIC13 VHiULN2003AN/ ULN2003A IC3 VHiMC74HCU04FMC74HCU04F IC6, 10 VHiHCF4053M1T HCF4053BIC4 VHiMC34119DR2 MC34119DR2 IC11, 12 VHiLM2902D/-1 LM2902D IC8 VHi27C02015TiIC5 VHiHEF4051BT1 HEF4051BT IC100 VHiPST596CMT1 PST596CNRIC1 VHiR96FC20V24 R96V24 IC2 VHiR96FC20V24 FC200 IC1 VHiNJM2904D-1 NJM2904D