PWA-F-FAX-POWER-631 GD-1210 | Toshiba GD-1260, GD-1250, GD-1270

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

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	ELECTRICAL CIRCUITS

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

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 Installation Models FAX unit 2nd line for FAX unit FAX Options Folio 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 detected Comp 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-1270 Options Extends the FAX functions when the FAX unit is installed Ments to be output Option Function STUDIO206L/256/306/356 STUDIO2500c/3500c/3510c System List NA/AU/EU/C/TW STUDIO2330C/2820C/2830C/3520C/3530C/4520C STUDIO5520C/6520C/6530C Offset Tray MJ-5005 STUDIO205L/255/305/355/455 NA/EU-N/AU/C STUDIO555/655/755/855 Pedestal PFP Feeder LCF KD-1027/C KD-1028 A4/LT/C STUDIO2040C/2540C/3040C/3540C/4540C STUDIO5540C/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 connector STUDIO555/655/755/855, e-STUDIO556/656/756/856 Power switch LINE2 connector Line connector TEL connector Layout of PC Boards Symbol Name FunctionFAX FAX PWR NCU MDM FAX FAX PWR LSU-RELATED Functions Recording Mode Printing 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, A4 Setting 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 Saver Memory Reception Dial call-up transmission to a telephone circuit Circuit Connection and Procedure to Change ModeYES Standby state Procedure to select the transmission mode Selection of the communication modeCommunication mode Toshiba original procedure Telephone circuit Circuit control signals Signaling System Diagram and Signal FormsThis signal can be sent manually Signal form Signal name Signal form Communication with the binary signals Mode change is possible only for the original set manually Image signalMode change possible Informing that there is the next Receiver Frames received Error occurred Only error frame retransmitted 1 completed 2 completed CED Nsfcsidis JOB Status button Cancel buttonCFR MCF Binary signals PIN PIPPRI-EOM PRI-MPS Format When this frame is the last frame, X =FCF FIF FCS Binary signal Format FCF format of each binary signal TCF 9600 bps, 7200 bps4800 bps, 2400 bps 3 V.8/V.34 communication sequence Line closed Standard procedure Transmitter Receiver Signal name Abbreviation Function Remarks Hz and 3,750 Hz in units Tone signal between150 Hz Data transmission ALT TRN Maintains the synchroniza 7E H Tion FlagReceives an NSF sent from Transmitter Scrambled data frame to be Image data Image data are sent. TransmitterIs completed Encoded image data Turn off Scrambled 1 is sent for PPS-EOP Short training SignalTransmission of one Is completed Flag Informs to disconnect the line Line closed DIS cannot be recognized Transmitter Receiver Transmitter Receiver DIALING/COMMUNICATION Control DIALING/COMMUNICATION Control TEL mode FAX Automatic SwitchingFAX mode General functions GD-1210 GD-1160 Configuration GD-1250 / GD-1270 GD-1260 Description of Circuits Configuration EU/AU/AS/C models Signal Name Type Active Description Destination Line path switching control circuitCML1 ATT3DB1 IC5 RLY3, IC3IC3 Dial pulse generation circuit Line 1 Dial Pulse Generation Signal Q53 Line 1 Dial Pulse Generation Signal Line Reverse Current Detection Signal IC29 IC26 Line Current Detection Signal IC29 IC26Line current detection circuit REVA1 Current Reverse Line 1 Current Detection IC29 IC26 Signal Line 1 Current Detection Signal IC29 IC26 CI detection circuit Line 1 CI Detect Signal IC29 IC26 Line 1 CI Detection Signal IC29 IC26 NCU board Line1 Line monitor circuit Ringer/Alarm Monitoring signalLine Monitor LOW High Sound volume Relation between the signals and sound volume is as follows PWA-F-FAX-631 GD-1210 PC Boards 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 Explanation to the Users Installation Installation