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Sharp FO-475TH, UX-258TH manual Other block, 2902

Models: FO-475TH UX-258TH

1 75

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Page 57

6

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	+5V

6

UX-258TH FO-475TH

		R193		C204
R189		R193		0.1
		5.6K		0.1
		5.6K
30K	R191	4		DG
	R191	9 –	8
CNPN-8 ORGSNS	270	9 –	8		ORGSNSI
CNPN-8 ORGSNS		10 + B		IC12
		11		IC12
	C226	R192		2902
	C226	R192
	100P	3.3K

(1-4A)

BT+

HOLBAT-1

BT+

HOLBAT-2

DG

HOLBAT-3

	+5V
D102	<VBT>
RB705D

BAT1					R247
BAT1					5.6K		C223
CR2032						0.1

VBT

5

4

	DG	DG	DG
	DOOR		DRSNSI
			DRSNSI
	SW	C160	R173
	DOOR SW	C160	R173
	DOOR SW	2200P	270
	DG	2200P	270
	DG
	FRSNS	DG	FRSNSI
	FRSNS		FRSNSI
	CNPN-9
	C209	C210	R220
	100P	2200P	270
	DG	DG	CSWI
	CSW		CSWI
	CNCSW-1

(1-4A)

(1-4A)

(1-5A)

+5V

CNPW-2

DG

CNPW-1

DG

+5V

C215

C9

0.147/25

	DG
	C222
	1000P
	DG
		+5V	CNLIUA-11
			CNLIUA-11
		+5V	CNPN-7
		C148	CNPN-7
		C148
DG	1000P
DG	DG
	DG	DG
		DG	CNLIUA-12
			CNLIUA-12
		DG	CNPN-5
			CNPN-5

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R219

C205	C206	270
100P	2200P	270
DG	DG	CUT1I
CUT1		CUT1I
CNCUT1-1		R141
		R141
C138	C125	270
100P	2200P
DG	DG

(1-4A)

C255

0.1

+24V

CNPW7

R257

N.M.

C231

0.1

DG

+24V

C10 22/50

DG

CNPN-6

DG

CNCUT1-2

DG

CNCSW-2

		R133	PSNS
	+5V	220
			PSNSI
	+5V
		1	3

RP1

ITR9606

24

DG DG

(1-4A)

CNPW-4 CNPW-5 CNPW-6

MG MG

MG

R2

10(1/4W)

MG

C12 100/50

DG

+24VA

+24VA

CNLIUA-10

C224

1000P

DG

+5V

R258

5

R134

R260

R259

VCC

1K

N.M.

C137

1

MRST

R135

C

1

4

10K

B

OUT

Q100

2

SUB

2SC2412K

DG

FG

MG

E

CE2

(2-4D)(2-5G)

GND

R136

3

4.7K

IC100

PST596CNR

DG

DG

RESET

(1-1F)

A

B

C

D

E

F

G

H

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3

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Image 57

Sharp FO-475TH, UX-258TH manual Other block, 2902

Contents

Facsimile Il y a danger d’explosion s’ il y a remplacement incorrect Specifications Operation panel Transmittable documents Use of Document Carrier Sheet InstallationSite selection ConnectionsLoading the fax paper Original document supportClearing jammed fax paper Clearing a jammed documentQuick reference guide Using the answering machineFunction key menu Transmitting documentsAdjustments Diagnostics and service soft switch Operating procedure Entering the diagnostic modeDiagnostic items Aging mode Diagnostic items description Soft switch modeCheck pattern mode Signal send modeEntry data receive How to make soft switch settingFlash memory check 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 before line connect SW-A6 No CNG transmission in manual TX modeSW-B4 No Auto dial mode Delay timer of after line connect SW-B4 No Dial modeSW-E1 No Tel/Fax Automatic switching mode SW-D1 No Automatic switching manual to auto receive modeSW-E1 No CNG detect time at TEL/FAX mode SW-F2 No CNG detection in STAND-BY modeSW-I2 No Alarm during two way recording SW-H2 No Fax switching when A.M. fullSW-H1 No Reserved SW-H1 No Busy tone continuous sound detect timeSW-J1 No , No Ringer volume SW-J1 No Sender’s phone number settingSW-J2 No ~ No Speaker volume 5 stages SW-K1 No Entering Diag mode by pressing Speed keyATT TroubleshootingError code table Communication error code table G3 TransmissionG3 Reception General description Document release General Documents requiring use of document carrierCross section view Recording block 5-1. General 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 Operation panel GAP Hopper Guide R Guide LLCD PWB Drive unit, PWB and cutter 1211Speaker and paper sensor lever Rib1811 Drive frameWire treatment TEL/LIUPWB Cutter Block diagramPower Supply PWB Unit Wiring diagramControl PWB Unit TEL/LIU PWB UnitPoint- to-point diagram Circuit description Description of each block Main control block Circuit description of control PWBFC200 IC2 Terminal descriptions Lcdcs 1XC Ledctl 4XCGPIO0 2XC GPIO1/SASTXD 2XCMechanism/recording control block Panel control blockIntroduction Modem R96V24 blockPin Signals 100-Pin Pqfp R96V24 IC1 Hardware Interface SignalsCircuit description of TEL/LIU PWB Block diagramTEL/LIU block operational description Circuit descriptionSignal selection Signal/DTMF transmission level & receiving levelExternally connected TEL OFF Hook detection circuit section CI detection circuitExample 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 Service tools ListRelay board unit OFF Description Relay board unitShading paper IC13 VHiULN2003AN/ ULN2003A IC signal nameIC7 VHiW24257S7LL W24257S-70LLT IC3 VHiMC74HCU04FMC74HCU04F IC6, 10 VHiHCF4053M1T HCF4053BIC5 VHiHEF4051BT1 HEF4051BT IC11, 12 VHiLM2902D/-1 LM2902D IC8 VHi27C02015TiIC4 VHiMC34119DR2 MC34119DR2 IC100 VHiPST596CMT1 PST596CNRIC1 VHiR96FC20V24 R96V24 IC1 VHiNJM2904D-1 NJM2904D IC2 VHiR96FC20V24 FC200