EU/AU/AS/C models | Toshiba GD-1270, GD-1260, GD-1250, GD-1160

EU/AU/AS/C models

NCU board

Line current

detection

circuit

REVA REVB

CML

Line

External telephone

CN3

Lb

La

a2

b2

1

0

1

0

RLY3

CML relay

Dial pulse generation circuit

T1

RLY4

Relay

AG

~

DB1

-+

DC

~consumption

circuit

Ring signal

detection

circuit

IC5 IC6

Analog

switch

IC6 IC3 IC4

Analog

switch

IC4

CNG signal

detection

circuit

LD

TXOUT

ATT3DB

RXIN

ANSDET

RLADJ1

RLADJ2

CI

CN4

FAX board

Fig. 4-4

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

4 - 4

Image 72

Toshiba GD-1270, GD-1260, GD-1250, GD-1160, GD-1210 service manual EU/AU/AS/C models

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 DBm to -8 dBm The setting can be changed by 1 dB Transmission systemEmbedded 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 Accessories and Parts Following accessories and parts come with the FAX unitAccessory GD-1210 GD-1250 GD-1270 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 Symbol Name Function Layout of PC BoardsFAX FAX PWR 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 Energy Saver Mode User FunctionsReceiving FAX document, or by Energy Saver Memory Reception Circuit Connection and Procedure to Change Mode Dial call-up transmission to a telephone circuitYES Standby state Selection of the communication mode Procedure to select the transmission modeCommunication mode Toshiba original procedure Telephone circuit Signaling System Diagram and Signal Forms Circuit control signalsThis signal can be sent manually Signal form Signal name Signal form Communication with the binary signals Image signal Mode change is possible only for the original set manuallyMode change possible Informing that there is the next Receiver Only error frame retransmitted 1 completed 2 completed Frames received Error occurred JOB Status button Cancel button CED NsfcsidisCFR MCF Binary signals PIP PINPRI-EOM 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 Tone signal between Hz and 3,750 Hz in units150 Hz Data transmission TRN ALT Flag Maintains the synchroniza 7E H TionReceives an NSF sent from Transmitter Image data Image data are sent. Transmitter Scrambled data frame to beIs completed Encoded image data Turn off Scrambled 1 is sent for Short training Signal PPS-EOPTransmission 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 FAX Automatic Switching TEL modeFAX mode General functions Configuration GD-1210 GD-1160 GD-1250 / GD-1270 GD-1260 Configuration Description of Circuits EU/AU/AS/C models Line path switching control circuit Signal Name Type Active Description DestinationCML1 ATT3DB1 RLY3, IC3 IC3IC5 Line 1 Dial Pulse Generation Signal Q53 Dial pulse generation circuit Line 1 Dial Pulse Generation Signal Line Current Detection Signal IC29 IC26 Line Reverse Current Detection Signal IC29 IC26Line current detection circuit 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 Monitoring signal Ringer/AlarmLine Monitor 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