Electrical Circuits | Toshiba GD-1260, GD-1250, GD-1270, GD-1160

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

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Toshiba GD-1260, GD-1250, GD-1270, GD-1160, GD-1210 service manual Electrical Circuits

Contents

GD-1210/1250/1270/1160/1260 Trademarks Transportation/Installation General Precautions at Service When the option has been installed VorsichtPage Contents Installation Explanation to the Users FAX Options Models FAX unit 2nd line for FAX unit Specifications Original sizeFolio Embedded DBm to -8 dBm The setting can be changed by 1 dBTransmission system DBm to 0 dBm Level -55 dBm or lower cannot be detected Paper size Dimension width x length Printing area ST-RComp Features 11/04 Accessory GD-1210 GD-1250 GD-1270 Accessories and PartsFollowing accessories and parts come with the FAX unit Parts GD-1210 GD-1250 GD-1270 Extends the FAX functions when the FAX unit is installed Options Option Function STUDIO206L/256/306/356 Ments to be output System List STUDIO2500c/3500c/3510c STUDIO2330C/2820C/2830C/3520C/3530C/4520C NA/AU/EU/C/TW STUDIO5520C/6520C/6530C STUDIO205L/255/305/355/455 Offset Tray MJ-5005 STUDIO555/655/755/855 NA/EU-N/AU/C STUDIO2040C/2540C/3040C/3540C/4540C Pedestal PFP Feeder LCF KD-1027/C KD-1028 A4/LT/C STUDIO5540C/6540C/6550C STUDIO556/656/756/856 STUDIO206L/256/306/356/456 Saddle stitch Finisher MJ-1106/CInner Finisher MJ-1032 Saddle stitch MJ-1033 LINE2 connector Line connector TEL connector OverviewReversing automatic document feeder Line connector TEL connectorDrawers STUDIO5520C/6520C/6530C, e-STUDIO5540C/6540C/6550C Power switch TEL connector Line connector LINE2 connector STUDIO205L/255/305/355/455, e-STUDIO206L/256/306/356/456 Power switch LINE2 connector Line connector TEL connector STUDIO555/655/755/855, e-STUDIO556/656/756/856 FAX FAX PWR Symbol Name FunctionLayout of PC Boards NCU MDM FAX FAX PWR Recording Mode LSU-RELATED Functions Recording Paper Selection Algorithm and Printing Algorithm Recording paper selection algorithmPrinting algorithm ST against A3/B4/A4/LD/LT size originals respectively Effective printing length Discard function Length of B Discard parameter Set valueOFF B4, A3 A4, B4 B5, B4 A5, A4 A5 , Comp LT, Comp COMP, LD LG/LT, LD ST, Folio B5, Folio Setting for the split recording Recording Paper and Function Table of the recording paper selection modes OthersPriority Receiving FAX document, or by Energy Saver ModeUser Functions Energy Saver Memory Reception YES Circuit Connection and Procedure to Change ModeDial call-up transmission to a telephone circuit Standby state Communication mode Toshiba original procedure Selection of the communication modeProcedure to select the transmission mode Telephone circuit This signal can be sent manually Signal form Signaling System Diagram and Signal FormsCircuit control signals Signal name Signal form Communication with the binary signals Mode change possible Informing that there is the next Image signalMode change is possible only for the original set manually Receiver Only error frame retransmitted 1 completed 2 completed Frames received Error occurred CFR JOB Status button Cancel buttonCED Nsfcsidis MCF Binary signals PRI-EOM PIPPIN PRI-MPS When this frame is the last frame, X = FCF FIF FCSFormat FCF format of each binary signal Binary signal Format 9600 bps, 7200 bps 4800 bps, 2400 bpsTCF 3 V.8/V.34 communication sequence Standard procedure Transmitter Receiver Line closed Signal name Abbreviation Function Remarks 150 Hz Tone signal betweenHz and 3,750 Hz in units Data transmission TRN ALT Receives an NSF sent from FlagMaintains the synchroniza 7E H Tion Transmitter Is completed Image data Image data are sent. TransmitterScrambled data frame to be Encoded image data Turn off Scrambled 1 is sent for Transmission of one Is completed Flag Short training SignalPPS-EOP Informs to disconnect the line Line closed DIS cannot be recognized Transmitter Receiver Transmitter Receiver DIALING/COMMUNICATION Control DIALING/COMMUNICATION Control FAX mode FAX Automatic SwitchingTEL mode General functions Configuration GD-1210 GD-1160 GD-1250 / GD-1270 GD-1260 Configuration Description of Circuits EU/AU/AS/C models CML1 Line path switching control circuitSignal Name Type Active Description Destination ATT3DB1 RLY3, IC3 IC3IC5 Line 1 Dial Pulse Generation Signal Q53 Dial pulse generation circuit Line 1 Dial Pulse Generation Signal Line current detection circuit Line Current Detection Signal IC29 IC26Line Reverse Current Detection Signal IC29 IC26 REVA1 Line 1 Current Detection Signal IC29 IC26 Current Reverse Line 1 Current Detection IC29 IC26 Signal Line 1 CI Detect Signal IC29 IC26 CI detection circuit Line 1 CI Detection Signal IC29 IC26 Line monitor circuit NCU board Line1 Line Monitor Monitoring signalRinger/Alarm LOW High Relation between the signals and sound volume is as follows Sound volume PC Boards PWA-F-FAX-631 GD-1210 PWA-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 Installation Explanation to the Users Installation