Toshiba GD-1260, GD-1250, GD-1270, GD-1160 service manual PWA-F-FAX-POWER-631 GD-1210

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9) PWA-F-FAX-POWER-631 (GD-1210)

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© 2006 - 2011 TOSHIBA TEC CORPORATION All rights reserved	GD-1210/1250/1270/1160/1260
	ELECTRICAL CIRCUITS

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Contents GD-1210/1250/1270/1160/1260 Trademarks Transportation/Installation General Precautions at Service Vorsicht When the option has been installedPage Contents Explanation to the Users InstallationModels FAX unit 2nd line for FAX unit FAX OptionsFolio SpecificationsOriginal size Transmission system DBm to -8 dBm The setting can be changed by 1 dBEmbedded DBm to 0 dBm Level -55 dBm or lower cannot be detectedComp Paper size Dimension width x length Printing areaST-R Features 11/04 Following accessories and parts come with the FAX unit Accessories and PartsAccessory GD-1210 GD-1250 GD-1270 Parts GD-1210 GD-1250 GD-1270Options Extends the FAX functions when the FAX unit is installedMents to be output Option Function STUDIO206L/256/306/356STUDIO2500c/3500c/3510c System ListNA/AU/EU/C/TW STUDIO2330C/2820C/2830C/3520C/3530C/4520CSTUDIO5520C/6520C/6530C Offset Tray MJ-5005 STUDIO205L/255/305/355/455NA/EU-N/AU/C STUDIO555/655/755/855Pedestal PFP Feeder LCF KD-1027/C KD-1028 A4/LT/C STUDIO2040C/2540C/3040C/3540C/4540CSTUDIO5540C/6540C/6550C STUDIO556/656/756/856 Inner Finisher MJ-1032 Saddle stitch MJ-1033 STUDIO206L/256/306/356/456Saddle stitch Finisher MJ-1106/C Reversing automatic document feeder LINE2 connector Line connector TEL connectorOverview Drawers Line connectorTEL connector STUDIO5520C/6520C/6530C, e-STUDIO5540C/6540C/6550C STUDIO205L/255/305/355/455, e-STUDIO206L/256/306/356/456 Power switch TEL connector Line connector LINE2 connectorSTUDIO555/655/755/855, e-STUDIO556/656/756/856 Power switch LINE2 connector Line connector TEL connectorLayout of PC Boards Symbol Name FunctionFAX FAX PWR NCU MDM FAX FAX PWRLSU-RELATED Functions Recording ModePrinting algorithm Recording Paper Selection Algorithm and Printing AlgorithmRecording paper selection algorithm ST against A3/B4/A4/LD/LT size originals respectively OFF Effective printing lengthDiscard function Length of B Discard parameter Set value 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 Priority Table of the recording paper selection modesOthers User Functions Energy Saver ModeReceiving FAX document, or by Energy SaverMemory Reception Dial call-up transmission to a telephone circuit Circuit Connection and Procedure to Change ModeYES Standby stateProcedure to select the transmission mode Selection of the communication modeCommunication mode Toshiba original procedure Telephone circuitCircuit control signals Signaling System Diagram and Signal FormsThis signal can be sent manually Signal form Signal name Signal formCommunication with the binary signals Mode change is possible only for the original set manually Image signalMode change possible Informing that there is the next ReceiverFrames received Error occurred Only error frame retransmitted 1 completed 2 completedCED Nsfcsidis JOB Status button Cancel buttonCFR MCFBinary signals PIN PIPPRI-EOM PRI-MPSFormat When this frame is the last frame, X =FCF FIF FCS Binary signal Format FCF format of each binary signalTCF 9600 bps, 7200 bps4800 bps, 2400 bps 3 V.8/V.34 communication sequence Line closed Standard procedure Transmitter ReceiverSignal name Abbreviation Function Remarks Hz and 3,750 Hz in units Tone signal between150 Hz Data transmissionALT TRNMaintains the synchroniza 7E H Tion FlagReceives an NSF sent from TransmitterScrambled data frame to be Image data Image data are sent. TransmitterIs completed Encoded image data Turn off Scrambled 1 is sent forPPS-EOP Short training SignalTransmission of one Is completed Flag Informs to disconnect the lineLine closed DIS cannot be recognized Transmitter Receiver Transmitter Receiver DIALING/COMMUNICATION Control DIALING/COMMUNICATION Control TEL mode FAX Automatic SwitchingFAX mode General functionsGD-1210 GD-1160 ConfigurationGD-1250 / GD-1270 GD-1260 Description of Circuits ConfigurationEU/AU/AS/C models Signal Name Type Active Description Destination Line path switching control circuitCML1 ATT3DB1IC5 RLY3, IC3IC3 Dial pulse generation circuit Line 1 Dial Pulse Generation Signal Q53Line 1 Dial Pulse Generation Signal Line Reverse Current Detection Signal IC29 IC26 Line Current Detection Signal IC29 IC26Line current detection circuit REVA1Current 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 circuitRinger/Alarm Monitoring signalLine Monitor LOW HighSound volume Relation between the signals and sound volume is as followsPWA-F-FAX-631 GD-1210 PC BoardsPWA-F-FAX-670 GD-1250/1270 08/04 08/04 PWA-F-MDM-563 GD-1160 PWA-F-MDM-671 GD-1260 PWA-F-FAX-POWER-631 GD-1210 Electrical Circuits Explanation to the Users InstallationInstallation

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