Toshiba GD-1201, GD-1260, GD-1160, GD-1151, Model: GD-1150 Description of Circuits, Configuration

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4.2Description of Circuits

4.2.1Configuration

This section describes the function of each circuit.

The NCU board consists of the transformer, relay, analog switch and other peripheral devices. It con- trols switching of the line path, generates the dial pulses, detects the line current and ring signal, and monitors the line.

The NCU board is connected to CN501 on the FAX board. It can be also connected optionally to CN502.

The description in this section is based on the NCU board for Line 1.

NA/TW models

		NCU board
								REVA
								REVB
			Line current			IC53
		Lb	Line current	T1				TXOUT
		Lb	detection	T1				TXOUT
	CN10		detection
Line	CN10		circuit
Line
		La			IC51
		La
				IC53	Analog	IC52
				AG	Analog			RXIN
				AG	switch			RXIN
					switch
				~
				DB1		IC52
						IC52	CNG signal
			-	+			CNG signal	ANSDET
			-	+			detection	ANSDET
							detection
							circuit
				~
				Dial pulse				LD
				generation				LD
				generation				CN9
		a2		circuit				CN9	FAX board
		a2		circuit					FAX board
External	CN11			DC
telephone	CN11	b2		consumption				ATT3DB
		b2		circuit
				circuit
								CML
				1
				0
				1
				0
				RLY2
				CML relay
				Ring signal				CI
				detection				CI
				detection
				circuit
				Fig. 4-5

4

© 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved	GD-1150/1151/1200/1201/1160/1260
	ELECTRICAL CIRCUITS

4 - 5

04/10

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Contents GD-1150/1151/1200/1201/1160/1260 Trademarks STUDIO3511/4511 Model Weight Number of peopleSTUDIO281c/351c/451c Service of Machines Precautions against Static Electricity Page Contents 2003 2008 Toshiba TEC Corporation All rights reserved FAX unit 2nd line for FAX board FAX OptionsOriginal size SpecificationsFolio DBm to 0 dBm Level -55 dBm or lower cannot be detected DBm to -8 dBm The setting can be changed by 1 dBTransmission system EmbeddedComp Dimension width x length Printing areaFeatures Specifications and Outline of System Following accessories and parts come with the FAX unit Accessories and PartsQty Option Function Model OptionsSTUDIO230/280 STUDIO281c/351c/451cSTUDIO202L/203L/232/233/282/283 series STUDIO352/353/452/453GD-1260NA/TW/EU/C GD-1150NA/TW/EU AU/AS/C System ListGD-1150NA/TW/EU Bridge Kit KN-3511 FAX Board GD-1200 Finisher Hanging type e-STUDIO352/353 only MJ-1022 GD-1150NA/TW/EU AU/AS/C/KR Units and Components FAX Symbol Name Function RemarksLayout of PC Boards FAX MDM NCUFAX control board Controls the FAX function FAX power board Supplies the power -12V, +24VSTUDIO281c/351c/451c, e-STUDIO352/353/452/453 MDM FAX FAX PWR NCUSpecifications and Outline of System LSU-RELATED Functions Recording ModeRecording paper selection algorithm Recording Paper Selection Algorithm and Printing AlgorithmPrinting algorithm ST against A3/B4/A4/LD/LT size originals respectively Discard function Length of B Discard parameter Set value Effective printing lengthOFF A5 , Comp LT, Comp COMP, LD LG/LT, LD ST, Folio B5, Folio B4, A3 A4, B4 B5, B4 A5, A4Setting for the split recording Recording Paper and Function Others Table of the recording paper selection modesPriority Energy Saver Energy Saver ModeUser Functions Receiving FAX document, or byMemory Reception Standby state Circuit Connection and Procedure to Change ModeDial call-up transmission to a telephone circuit YESTelephone circuit Selection of the communication modeProcedure to select the transmission mode Communication mode Toshiba original procedureSignal name Signal form Signaling System Diagram and Signal FormsCircuit control signals This signal can be sent manually Signal formCommunication with the binary signals Receiver Image signalMode change is possible only for the original set manually Mode change possible Informing that there is the nextFrames received Error occurred Only error frame retransmitted 1 completed 2 completedMCF JOB Status button Cancel buttonCED Nsfcsidis CFRBinary signals PRI-MPS PIPPIN PRI-EOMFCF FIF FCS When this frame is the last frame, X =Format Binary signal Format FCF format of each binary signal4800 bps, 2400 bps 9600 bps, 7200 bpsTCF 3 V.8/V.34 communication sequence Line closed Standard procedure Transmitter ReceiverSignal name Abbreviation Function Remarks Data transmission Tone signal betweenHz and 3,750 Hz in units 150 HzALT TRNTransmitter FlagMaintains the synchroniza 7E H Tion Receives an NSF sent fromEncoded image data Turn off Scrambled 1 is sent for Image data Image data are sent. TransmitterScrambled data frame to be Is completedInforms to disconnect the line Short training SignalPPS-EOP Transmission of one Is completed FlagLine closed DIS cannot be recognized DIALING/COMMUNICATION Control DIALING/COMMUNICATION Control DIALING/COMMUNICATION Control DIALING/COMMUNICATION Control General functions FAX Automatic SwitchingTEL mode FAX modeElectrical Circuits Configuration FAX PWR STUDIO202L/203L/232/233/282/283 GD-1151 GD-1260 95C265 4Mbit x MN86064 Description of Circuits ConfigurationEU/AU/AS/C models ATT3DB1 Line path switching control circuitSignal Name Type Active Description Destination CML1IC3 RLY3, IC3IC5 Dial pulse generation circuit Line 1 Dial Pulse Generation Signal Q53Line 1 Dial Pulse Generation Signal REVA1 Line Current Detection Signal IC29 IC26Line Reverse Current Detection Signal IC29 IC26 Line current detection circuitCurrent Reverse Line 1 Current Detection IC29 IC26 Signal Line 1 Current Detection Signal IC29 IC26CI detection circuit Line 1 CI Detect Signal IC29 IC26Line 1 CI Detection Signal IC29 IC26 NCU board Line1 Line monitor circuitLOW High Monitoring signalRinger/Alarm Line MonitorSound volume Relation between the signals and sound volume is as followsPWA-F-FAX-562 / PWA-F-FAX-610 PC BoardsPWA-F-FAX-670 PWA-F-NCU-US-562/PWA-F-NCU-631-US PWA-F-MDM-563 PWA-F-NCU-EU-562/PWA-F-NCU-631-EUPWA-F-MDM-631 PWA-F-FAX-POWER-610PWA-F-FAX-POWER-631 Electrical Circuits Explanation to the Users InstallationInstallation

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