Toshiba GD-1151 Service Manual Download Page 69 | Manualshive

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© 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved

GD-1150/1151/1200/1201/1160/1260

ELECTRICAL CIRCUITS

4 - 7

4

4.2.2

Line path switching control circuit

NA/TW models

Fig. 4-7

The line path switching control circuit consists of the CML relay (RLY2) and analog switch (IC51) on the
NCU board, the ASIC (IC29 [IC26]) on the FAX board and the other peripheral devices.

The CML relay is switched according to the CML1 signal output from the ASIC on the FAX board. When
the CML1 signal goes HIGH, Q51 comes on to turn ON the CML relay.

The analog switch is switched according to the CML1 signal and ATT3DB1 signal. When the CML1 sig-
nal or ATT3DB1 signal goes HIGH, the analog switch is turned ON.

Turning ON the CML relay and analog switch allow the MODEM to be connected to the line.

* Values in [ ] are for GD-1151/1201 in case that the descriptions vary between GD-1150/1200 and

GD-1151/1201.

Signal Name

Type

Active

Description

Destination

CML1

O

H

Line 1 CML Relay Control Signal

RLY2, IC51

ATT3DB1

O

H

Line 1 Attenuator Control Signal

IC51

C5

R4

NCU board

CN10

CN11

4

3

Line

External
telephone

3

4

Lb

La

a2

b2

+12V

RLY2

CML relay

AG

T1

AG

0

1

0

1

3

10

8

12

1

9

4

Q51

Ring signal

detection

circuit

IC53

R59

R66

3

1

2

5

7

6

13

0

1

0

1

0

1

14

15

4

10

9,11

R71

IC51

Analog

switch

3

1

1

2

6

7

2

6

IC52

IC53

CN9

CN501

6

3

2

1

FAX board

CML1

ATT3DB1

TXOUT1

RXIN1

22

21

IC29

[IC26]

ASIC

32

28,29

IC12
[IC9]

MODEM

R68

R67

08/03

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Summary of Contents for GD-1151

Page 1: ...SERVICE MANUAL FACSIMILE GD 1150 1151 1200 1201 1160 1260 Model GD 1150 1151 1200 1201 1160 1260 Publish Date Novemver 2003 File No SME030007F0 R03102142202 TTEC Ver06_2008 12 ...

Page 2: ...ks of Microsoft Corporation in the U S and or other countries Apple AppleTalk Macintosh and Mac are trademarks of Apple Computer Inc in the U S and other countries PostScript is a trademark of Adobe Systems Incorporated NOVELL NetWare and NDS are trademarks or registered trademarks of Novell Inc Molykote is a registered trademark of Dow Corning Corporation Other company names and product names in ...

Page 3: ...V 240V or 240V 8A for its power source The equipment must be grounded for safety Never ground it to a gas pipe or a water pipe Select a suitable place for installation Avoid excessive heat high humidity dust vibration and direct sunlight Also provide proper ventilation as the equipment emits a slight amount of ozone To insure adequate working space for the copying operation keep a minimum clearanc...

Page 4: ...tive Unplug the power cable and clean the area around the prongs of the plug once a year or more A fire may occur when dust lies on this area 3 Main Service Parts for Safety The breaker door switch fuse thermostat thermofuse thermistor etc are particularly important for safety Be sure to handle install them properly If these parts are shorted circuit and or made their functions out they may burn d...

Page 5: ...nd pull out the power cord plug of the equipment and make sure that there are no uninsulated charged objects in the vicinity Caution Dispose of used batteries and RAM ICs including lithium batteries according to this manual Attention Se débarrasser de batteries et RAM ICs usés y compris les batteries en lithium selon ce manuel Vorsicht Entsorgung des gebrauchten Batterien und RAM ICs inklusive der...

Page 6: ......

Page 7: ...Mode 2 9 2 5 Memory Reception 2 10 3 DIALING COMMUNICATION CONTROL 3 1 3 1 Circuit Connection and Procedure to Change Mode 3 1 3 1 1 Dial call up transmission to a telephone circuit 3 1 3 1 2 Selection of the communication mode 3 2 3 1 3 Procedure to select the transmission mode 3 2 3 2 Signaling System Diagram and Signal Forms 3 3 3 2 1 Circuit control signals 3 3 3 2 2 Communication with the bin...

Page 8: ...GD 1150 1151 1200 1201 1160 1260 2003 2008 TOSHIBA TEC CORPORATION All rights reserved CONTENTS 2 ...

Page 9: ...used as a FAX by installing the FAX unit GD 1150 1151 e STUDIO281c 351c 451c 352 353 452 453 can be used as a FAX by installing the FAX unit GD 1200 1201 Some options can be added when the FAX unit is installed or to extend the FAX functions P 1 8 1 5 Options Be sure to use the FAX unit and the 2nd line for the FAX board only in the following combinations FAX unit 2nd line for FAX board GD 1150 GD...

Page 10: ...Vertical direction 15 4 lines mm 7 7 lines mm 3 85 lines mm 16 lines mm 8 lines mm Combination U Fine 16 x 15 4 lines mm 15 4 x 16 lines mm Semi U Fine 8 x 15 4 lines mm 15 4 x 8 lines mm Fine 8 x 7 7 lines mm 7 7 x 8 lines mm Normal 8 x 3 85 lines mm 3 85 x 8 lines mm Effective scanning area mm Note Note Operation from the panel is automatically converted at the receiving capability of U Fine com...

Page 11: ... 43 dBm to 0 dBm Level 55 dBm or lower cannot be detected Specifications of the communication mode High speed mode Toshiba original procedure mode G3 mode ECM Horizontal scanning den sity 8 dots mm 300 dpi Reception only 16 dots mm Same as on the left Same as on the left Vertical scanning density 3 85 lines mm 7 7 lines mm 300 dpi Reception only 15 4 lines mm Same as on the left Same as on the lef...

Page 12: ...es mm 24 lines mm with the smoothing processing Recording paper size and the effective printing area Unit mm inch Paper size Dimension width x length Printing area A5 R 148 x 210 143 x 204 5 B5 R 182 x 257 177 x 251 5 B5 257 x 182 252 x 176 5 A4 R 210 x 297 205 x 291 5 A4 297 x 210 292 x 204 5 B4 257 x 364 252 x 358 5 A3 297 x 420 292 x 414 5 FOLIO 210 x 330 205 x 324 5 ST R 139 7 x 216 5 5 x 8 5 ...

Page 13: ...ssible Memory input during the memory transmission Memory input during the memory reception Copying during the memory transmission Reception during the copying Reception during the memory output Reception during the list output Laser printing on plain paper Printing is made on the standard size paper A3 LD B4 COMP A4 LT LG A4 R LT R B5 B5 R FOLIO and A5 R ST R with the laser system Gradation 256 t...

Page 14: ...ction Delayed dialing Documents are transmitted automatically to the preset number at the preset time Redialing When the receiving side is busy during the automatic dialing the machine keeps dialing at a fixed interval for a specified number of times Receiving tone completion tone Sound notifies that the reception of a FAX document or printing of a received document has been completed List output ...

Page 15: ...el to the specified positions following the Unpacking Setup Instruction Accessory Qty Operator s manual for facsimile function 1 pc Modular cord 2 m 1 pc Unpacking instruction 1 set Parts Qty Fax unit 1 pc SG3 label 1 pc FCC Part 68 label U S A NA only 1 pc IC label Canada NA only 1 pc DTS label EU EU only 1 pc Teleprompt label New Zealand AU only 1 pc Notice to users label New Zealand AU only 1 p...

Page 16: ...TW EU C Job Separator Sorts out documents to be output for the FAX copying operation MJ 5004 Option Function Model Reversing Automatic Document Feeder RADF Feeds originals MR 3016 Finisher Sorts out documents to be output for the FAX copying operation MJ 1022 MJ 1025 2nd line for FAX board Adds one extra communication line GD 1160NA TW EU C Job Separator Sorts out documents to be output for the FA...

Page 17: ...101 e STUDIO352 MJ 1023 1024 2nd line for FAX board Adds one extra communication line GD 1160NA TW EU C GD 1260NA TW EU C Job Separator Sorts out documents to be output for the FAX copying operation MJ 5004 Option Function Model Reversing Automatic Document Feeder RADF Feeds originals MR 3020 Finisher Sorts out documents to be output for the FAX copying operation MJ 1022 MJ 1025 2nd line for FAX b...

Page 18: ...O3511 350 only e STUDIO3511 4511 only e STUDIO350 450 only e STUDIO350 450 only Desk MH 1700 Drawer Module MY 1021 Large Capacity Feeder LCF KD 1012 A4 LT Paper Feed Pedestal PFP KD 1011 Finisher Hanging type MJ 1022 Finisher Console saddle stitch type MJ 1024 Finisher Console type MJ 1023 Bridge Kit KN 3511 FAX Board GD 1150NA TW EU AU AS C Reversing Automatic Document Feeder MR 3015 2nd Line for...

Page 19: ... Fig 1 2 Finisher Hanging type MJ 1022 Finisher Console saddle stitch type MJ 1025 Bridge Kit KN 3520 FAX Board GD 1150NA TW EU AU AS C 2nd Line for FAX Board GD 1160NA TW EU C Desk MH 1700 Drawer Module MY 1021 Large Capacity Feeder LCF KD 1012 A4 LT Paper Feed Pedestal PFP KD 1011 Reversing Automatic Document Feeder MR 3016 Job Separator MJ 5004 ...

Page 20: ... Module MY 1021 Large Capacity Feeder LCF KD 1012 A4 LT Paper Feed Pedestal PFP KD 1011 Reversing Automatic Document Feeder MR 3018 Finisher Hanging type MJ 1022 Finisher Console type MJ 1023 Bridge Kit KN 3511 Finisher Console saddle stitch type MJ 1024 e STUDIO281c 351c only 2nd Line for FAX Board GD 1260 FAX Board GD 1201 2nd Line for FAX Board GD 1160 FAX Board GD 1200 08 12 ...

Page 21: ...700 Drawer Module MY 1021 Finisher Console saddle stitch type MJ 1024 Large Capacity Feeder LCF KD 1012 A4 LT Paper Feed Pedestal PFP KD 1011 Finisher Console type MJ 1101 Finisher Hanging type MJ 1022 Finisher Console type MJ 1023 FAX Board GD 1200NA TW EU AU AS C KR Reversing Automatic Document Feeder MR 3018 2nd Line for FAX Board GD 1160NA TW EU C FAX Board GD 1201NA TW EU AU AS C KR 2nd Line ...

Page 22: ...A TW EU AU AS C KR 2nd Line for FAX Board GD 1160NA TW EU C FAX Board GD 1151NA TW EU AU AS C KR 2nd Line for FAX Board GD 1260NA TW EU C Finisher Hanging type MJ 1022 Automatic Duplexing Unit MD 0102 Reversing Automatic Document Feeder MR 3020 Desk MH 1700 Drawer Module MY 1021 Large Capacity Feeder LCF KD 1012 A4 LT Paper Feed Pedestal PFP KD 1011 Bridge Kit KN 3520 Finisher Console saddle stitc...

Page 23: ...ORPORATION All rights reserved GD 1150 1151 1200 1201 1160 1260 SPECIFICATIONS AND OUTLINE OF SYSTEM 1 15 1 1 7 Units and Components Fig 1 6 Fig 1 7 Control panel 1st Drawer 2nd Drawer Reversing Automatic Document Feeder RADF ...

Page 24: ... 202L 203L 230 232 233 280 282 283 Fig 1 8 Rear side of the equipment Symbol Name Function Remarks FAX FAX control board Control the FAX function MDM Telephone circuit control board Controls dialing for the analog cir cuit for 2nd line NCU Telephone circuit control board Controls dialing for the analog cir cuit Lower board standard 1st line Upper board for 2nd line NCU FAX MDM 08 03 ...

Page 25: ...of the equipment Symbol Name Function Remarks FAX FAX control board Controls the FAX function MDM Telephone circuit control board Controls dialing for the analog cir cuit for 2nd line NCU Telephone circuit control board Controls dialing for the analog cir cuit Lower board standard 1st line Upper board for 2nd line FAX PWR FAX power board Supplies the power 12V 24V of FAX NCU FAX FAX PWR MDM 08 03 ...

Page 26: ...GD 1150 1151 1200 1201 1160 1260 2003 2008 TOSHIBA TEC CORPORATION All rights reserved SPECIFICATIONS AND OUTLINE OF SYSTEM 1 18 ...

Page 27: ...2 1 Recording Mode This machine offers various printing modes such as the selection of the applicable recording paper and the recording method etc to meet users needs To take full advantage of these features it is important to understand the concepts of the recording paper selection algorithm and printing algorithm as described in 2 2 04 06 ...

Page 28: ...t printing 2 2 1 Recording paper selection algorithm It is possible to distinguish the size of each received image A3 LD B4 LG A4 LT B5 A5 Basically recording paper of the same size as the original is used for printing If recording paper of the size is not available this algorithm selects paper of another size according to the setting in the Setting Mode 1 Actual Size Mode 13 517 0 Printing is per...

Page 29: ... the note below Discard printing function ON Blank space within the discard parameter Discard printing actual size Vertical reduction function ON Reduction ratio R calculated from the actual image data R within the max reduction ratio Vertical reduction printing Normal actualsize printing Smaller size paper available Regular size reduction function ON Image not output Larger size paper available R...

Page 30: ...erence These parameters should be set by the service technician in the FAX Function Mode 2 Vertical reduction printing 13 377 0 The recording data length is reduced so that the image fits in the recording paper The data can be reduced up to 90 75 and the machine automatically selects the appropriate ratio 3 Regular size reduction printing 13 517 1 When the discard and vertical reduction printing c...

Page 31: ...ng paper is not available In the following example A4 LT original was sent but the recording length exceeds A4 size and the data do not fit in A4 LT even if the vertical reduction is performed The reduction B4 A4 or A3 A4 is applied in this case B A A reduction ratio B reduction ratio A3 B4 A3 A4 B4 A4 B4 B5 B4 A5 A4 B5 A4 A5 COMP LT COMP ST LD COMP LD LG LT LD ST LT ST FOLIO B5 FOLIO A5 A C B D A...

Page 32: ...ing length of the larg est recording paper in the drawer installed in the machine the recording data are divided onto two sheets while vertical reduction is performed 2 2 3 Setting for the split recording 1 Split recording onto A4 B5 A5 ST Set as to whether split recording onto the short length paper A4 B5 A5 ST is to be performed or not When this function is disabled split recording for A3 B4 A4 ...

Page 33: ... 3 Recording Paper and Function The size of the recording paper on which the received image data are printed is determined according to the presence absence of the recording paper and the above mentioned function settings Relation between the recording paper size and the function settings is described in this section ...

Page 34: ... OFF the data are stored in the memory 2 When the data are output in the primary scanning direction it is printed in the center of the recording paper 1 2 3 4 5 6 7 8 Recording data size Priority 2 2 1 2 1 1 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 2 2 1 1 1 1 1 1 1 1 1 1 1 2 1 1 A4 R B4 A3 LG LD A4 B5 B5 A5 LT S T B4 B4 B4 B4 B4 B4 B4 A3 A3 A3 A3 A3 A3 A5 LT R LT R LT R LG LG L...

Page 35: ...s in which the amount of communication is small and immediate printing is not necessary The setting of the Energy Saver Mode and time start time end time are made on the USER FUNC TIONS screen Default setting is made by the weekly timer function of the equipment Energy Saver Mode How to enter the mode Timer setting How to cancel the mode Auto Power Save Mode Automatically Can be set in the USER FU...

Page 36: ...All rights reserved LSU RELATED FUNCTIONS 2 10 2 5 Memory Reception Basically the receiving FAX data are once stored in the HDD then the data are printed out after the reception process is finished The memory reception is performed until the 120 M byte HDD becomes full ...

Page 37: ...DIALING COMMUNICATION CONTROL 3 1 Circuit Connection and Procedure to Change Mode 3 1 1 Dial call up transmission to a telephone circuit START END Detecting a calling signal Detecting an off hook signal DC circuit closed After detecting the dial tone or 3 3 seconds elapsed Selection signal sent out Standby state NO NO YES YES ...

Page 38: ...achine 3 1 3 Procedure to select the transmission mode Communication mode Toshiba original procedure ECM G3 Telephone circuit 1 This step is only checked when the other side machine has CRP2 CRP1 or when the trans mission is started by the CRP calling The first transmission to the other side with CRP1 only is performed in the ECM mode YES YES YES NO NO 1 START ECM communication Communication using...

Page 39: ...ls are used in the binary and tonal procedures Circuit control signals 1 This signal can be sent manually Signal form CED Called station identification Indicates that the sender is a FAX machine in the automatic called mode 1 CNG Calling tone Indicates that the sender is a FAX machine in the automatic calling mode 1 Signal name Signal form Signal form CED f 2100 15 Hz t 2 6 4 0 sec CNG f 1100 38 H...

Page 40: ...03 2008 TOSHIBA TEC CORPORATION All rights reserved DIALING COMMUNICATION CONTROL 3 4 3 2 2 Communication with the binary signals In the Toshiba original procedure G3 modes communication is performed with the binary procedure as follows ...

Page 41: ...ission and reception in the Toshiba original procedure G3 modes Mode change is possible only for the original set manually Transmtter Receiver Mode change possible Image signal Image signal Image signal Informing that there is the next page CED CFR MCF MCF MCF NSF CSI DIS NSS TSI DCS NSF CSI DIS NSS TSI DCS TCF EOM Training CFR TCF MPS DCN Training ...

Page 42: ...the received image data the receiving station informs the sending station of the occurrence of the error and the sending station sends the image data again Transmtter Receiver Image signal Image signal Image signal retransmitted Image signal 256 frames received Error occurred Only error frame retransmitted Page 1 completed Page 2 completed CED NSF CSI DIS NSS TSI DCS Training TCF CFR MCF MCF MCF P...

Page 43: ...ardless of the presence absence of the next page or mode changes by pressing the STOP button If the STOP button is pressed anytime except during the transmission of the image data DCN is forcibly sent to terminate the communication Press the JOB STATUS button and select the transmission job to cancel then press the CANCEL button on the LCD display to cancel the memory transmission or polling trans...

Page 44: ...olling etc DCS Digital Command Signal Commands to transmit using the standard facility which is selected corresponding to DIS or DTC SUB Sub address Indicates that the FIF information is a sub address in the domain on the call in side SEP Select Polling Indicates that the FIF information is a sub address for the polling mode PWD Password Indicates that the FIF information is a password for the pol...

Page 45: ...de ECM mode RNR Receive Not Ready Informs that the FAX is not in the receivable state ECM mode PPR Partial Page Request Informs that a part of page ECM block has not been received correctly The number of the frame needs to be corrected is informed by the FIF EC mode PPS Partial Page Signal Informs that a part of page ECM block or one page has been transmitted EC mode CTC Continue to Correct Replie...

Page 46: ... of a frame Also establishes the frame synchronization A Address field Informs the address C Control field Informs if this frame is the last one in this procedure FCF FAX control field Informs the type of the binary signal FIF FAX information field Informs FAX information such as the functions FCS Frame check sequence Checks if there was any error in the transmission from A to FIF Format of F A an...

Page 47: ...1 0 DIS 0 0 0 0 0 0 0 1 DTC 1 0 0 0 0 0 0 1 DCS x 1 0 0 0 0 0 1 SUB x 1 0 0 0 0 1 1 SEP 1 0 0 0 0 1 0 1 PWD Rx 1 0 0 0 0 0 1 1 PWD Tx x 1 0 0 0 1 0 1 CFR x 0 1 0 0 0 0 1 FTT x 0 1 0 0 0 1 0 EOM x 1 1 1 0 0 0 1 MPS x 1 1 1 0 0 1 0 EOP x 1 1 1 0 1 0 0 MCF x 0 1 1 0 0 0 1 RTN x 0 1 1 0 0 1 0 PIP x 0 1 1 0 1 0 1 PIN x 0 1 1 0 1 0 0 PRI EOM x 1 1 1 1 0 0 1 PRI MPS x 1 1 1 1 0 1 0 PRI EOP x 1 1 1 1 1 0 ...

Page 48: ...ion to follow When the receiving side detects an error in the TCF signal it transmits an FTT signal to the transmitting side to request the retraining When there is no error the receiving side transmits a CFR signal The TCF signal transmits all zeros for 1 5 seconds at the same modem speed as that for the training signal Alternation of ABAB Scrambled binary data 1 Segment 1 Segment 2 Segment 3 Seg...

Page 49: ...ps 12 0 kbps 9 6 kbps 7 2 kbps 4 8 kbps 2 4 kbps The modulating speed baud rate 4 can be selected from 2 400 3 000 3 200 symbol sec man datory or 2 743 2 800 3 429 symbol sec option The data rate can be set more accurately than the conventional modem Notes 1 ECM is used in the V 34 procedure If the setting for the ECM transmission reception of the user data is set to Not performed the V 8 procedur...

Page 50: ...r the information about the modem capa bility is exchanged the receiver determines the modulation speed based on the result of reception of the probing signal which was sent by the transmitter To determine the image transmission speed the transmitter sends a training signal The optimum image transmission speed is determined according to the training signal received The pre FAX transmission which i...

Page 51: ...e sender is a FAX machine in the auto matic calling mode Call Menu signal CM Mainly indicates an available modulation method such as V 21 V 27ter V 29 V 17 V 34 etc Modulated by V 21 L 1 Transmission rate 300 bps CM terminator CJ Indicates the detection of the JM signal or the termination of CM signal Modulated by V 21 L 1 Transmission rate 300 bps Call Indicator signal CI Indicates the general co...

Page 52: ...ms by 1200 Hz tone sig nal is a signal that shifts the phase B 180 Tone Line probing signal L1 L1 Tone signal to analyze the line characteristics by probing Probing is to examine the line characteristics Tone signal between 150 Hz and 3 750 Hz in units of 150 Hz Line probing signal L2 L2 Signal name Abbreviation Function Remarks INFO sequence INFO0a Informs the modem capability such as the modulat...

Page 53: ...d are made in this phase Transmitter receiver Signal name Abbreviation Function Remarks S signal S Short training is a signal made as the result of phase transition of S signal PP signal PP Used by the modem of the receiver to train the equalizer TRN signal TRN Used by the receiver to deter mine the transmission rate Signal name Abbreviation Function Remarks PPh signal PPh Used by the modem of the...

Page 54: ...eiver It selects the available mode from the received NSF and specifies the mode for the reception Transmitting Subscriber ID TSI Informs the telephone number of the transmitter Digital Command Signal DCS Specifies the mode that can be used for the communica tion 1 Declares to switch to the high speed procedure 1 is sent continuously Signal name Abbreviation Function Remarks Non Standard Facilitie...

Page 55: ...mitter Image data Image data are sent Transmitter Signal name Abbreviation Function Remarks S signal S Short training is a signal that makes a transition from phase S signal PP signal PP Used by the modem of the receiver to train the equalizer B1 sequence B1 Scrambled data frame to be sent when the startup process is completed Signal name Abbreviation Function Remarks Image data Image data Encoded...

Page 56: ...t training signal ALT signal ALT E sequence E End of procedure signal PPS EOP The transmission of one page is completed Flag flags Maintains the synchroniza tion 7E H Disconnection signal DCN Informs to disconnect the line Signal name Abbreviation Function Remarks Sh signal Sh Short training signal ALT signal ALT E sequence E Flag flags Maintains the synchroniza tion 7E H Message confirmation MCF ...

Page 57: ...e most important signals in the procedure Late start The receiver cannot detect CM signal while it is sending the ANSam signal Therefore it sends a DIS signal to inform the availability of V 8 support The transmitter sends a CI signal that causes the receiver to send another ANSam signal which makes the receiver move to the V 8 procedure Transmitter Receiver Line closed DIS cannot be recognized ...

Page 58: ...ights reserved DIALING COMMUNICATION CONTROL 3 22 Multi page sequence In the same manner as the T 30 procedure the transmitter sends a PPS MPS signal after send ing the image data The receiver sends an MCF signal and moves to the next page transmission Transmitter Receiver ...

Page 59: ...200 1201 1160 1260 DIALING COMMUNICATION CONTROL 3 23 3 Mode change The transmitter and receiver send a PPS EOM signal and an MCF signal respectively Then the receiver and transmitter send a DIS signal and a DCS signal respectively to change the mode Transmitter Receiver ...

Page 60: ...NG COMMUNICATION CONTROL 3 24 Change of the image transmission speed by the receiver The receiver sends a PPh signal responding to an Sh signal sent from the transmitter Then the image transmission speed is determined according to the MPh sequence sent from the both modems Transmitter Receiver ...

Page 61: ...ICATION CONTROL 3 25 3 Change of the image transmission speed by the transmitter The transmitter sends a PPh signal after sending the image data The receiver returns a PPh sig nal Then the image transmission speed is determined according to the MPh sequence sent from the both modems Transmitter Receiver ...

Page 62: ...andset When the operator has learned that the caller is sending a FAX he has to per form the manual reception operation 3 3 3 FAX mode This mode is selected when the telephone circuit is used only for FAX communication When the FAX mode is selected and a calling signal comes from the exchange the FAX reception operation starts automatically without ringing the telephone ringer In the FAX mode a ca...

Page 63: ...CUITS 4 1 Configuration e STUDIO3511 4511 350 450 200L 202L 203L 230 232 233 280 282 283 Fig 4 1 FAX ASIC TENNESEE V 34 modem FM336PLUS V 34 modem FM336PLUS NCU 1 NCU 2 SYS FAX I F harness GD 1150 Speaker CPU 95C265 CODEC MN86064 CODEC MN86064 Flash ROM 4Mbit x 1 Memory 1Mbit x 6 Memory 1Mbit x 4 GD 1160 MDM board FAX board 08 03 ...

Page 64: ... 4 2 e STUDIO281c 351c 451c e STUDIO352 353 452 453 Fig 4 2 SYS FAX I F harness GD 1200 Speaker MDM board FAX board GD 1160 NCU 1 FAX PWR board NCU 2 FAX ASIC TENNESEE V 34 modem FM336PLUS V 34 modem FM336PLUS CPU 95C265 CODEC MN86064 CODEC MN86064 Flash ROM 4Mbit x 1 Memory 1Mbit x 6 Memory 1Mbit x 4 08 03 ...

Page 65: ...ICAL CIRCUITS 4 3 4 e STUDIO202L 203L 232 233 282 283 Fig 4 3 FAX ASIC TENNESEE V 34 modem FM336PLUS V 34 modem FM336PLUS NCU 1 NCU 2 SYS FAX I F harness GD 1151 Speaker CPU 95C265 CODEC MN86064 CODEC MN86064 Flash ROM 4Mbit x 1 Memory 4Mbit x 2 Memory 4Mbit x 1 GD 1260 MDM board FAX board 08 03 ...

Page 66: ... 4 4 e STUDIO281c 351c 451c e STUDIO352 353 452 453 Fig 4 4 SYS FAX I F harness GD 1201 Speaker MDM board FAX board GD 1260 NCU 1 FAX PWR board NCU 2 FAX ASIC TENNESEE V 34 modem FM336PLUS V 34 modem FM336PLUS CPU 95C265 CODEC MN86064 CODEC MN86064 Flash ROM 4Mbit x 1 Memory 4Mbit x 2 Memory 4Mbit x 1 08 12 ...

Page 67: ... 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 Fig 4 5 0 1 0 1 IC53 IC52 T1 RLY2 CML relay CNG signal detection circuit Line External telephone CN10 CN11 CN9 CML ANSDET TXOUT RXIN REVB REVA CI LD a2 b2 Lb La NCU...

Page 68: ... RLY4 Relay DB1 NCU board Lb La a2 b2 CN3 Line External telephone Line current detection circuit IC5 Analog switch IC3 Analog switch Ring signal detection circuit CNG signal detection circuit Dial pulse generation circuit DC consumption circuit AG IC6 IC6 IC4 T1 IC4 0 1 0 1 CN4 FAX board CI ANSDET RLADJ1 RLADJ2 TXOUT LD ATT3DB CML REVB REVA RXIN 04 10 ...

Page 69: ...l When the CML1 sig nal or ATT3DB1 signal goes HIGH the analog switch is turned ON Turning ON the CML relay and analog switch allow the MODEM to be connected to the line Values in are for GD 1151 1201 in case that the descriptions vary between GD 1150 1200 and GD 1151 1201 Signal Name Type Active Description Destination CML1 O H Line 1 CML Relay Control Signal RLY2 IC51 ATT3DB1 O H Line 1 Attenuat...

Page 70: ...gnals The analog switch is switched according to the states of the RLADJ11 and RLADJ21 signals Turning ON the CML relay and analog switch allow the MODEM to be connected to the line Values in are for GD 1151 1201 in case that the descriptions vary between GD 1150 1200 and GD 1151 1201 Signal Name Type Active Description Destination CML1 O H Line 1 CML Relay Control Signal RLY3 IC3 ATT3DB1 O H Line...

Page 71: ... line to the MODEM side To generate the dial pulse the ASIC makes the LD1 signal become HIGH to turn ON Q53 This allows the photo coupler to come on and the current flows through the DB1 to send the dial pulses to the line Values in are for GD 1151 1201 in case that the descriptions vary between GD 1150 1200 and GD 1151 1201 Signal Name Type Active Description Destination LD1 O H Line 1 Dial Pulse...

Page 72: ...nerate the dial pulses the ASIC makes the LD1 signal become HIGH to turn ON Q6 This allows the photocou pler to come on and the current flows through the line for sending a dial attempt Values in are for GD 1151 1201 in case that the descriptions vary between GD 1150 1200 and GD 1151 1201 Signal Name Type Active Description Destination LD1 O H Line 1 Dial Pulse Generation Signal Q6 T1 AG CML1 LD1 ...

Page 73: ... photocoupler is repeatedly turned ON OFF This allows the REVA1 and REVB1 to be the pulse signals and input to the ASIC then the dial tone is detected When the handset is lifted from the external telephone current also flows through the line and the pho tocoupler is turned ON OFF then the off hook state is detected Values in are for GD 1151 1201 in case that the descriptions vary between GD 1150 1...

Page 74: ...n a dial tone is input from the telephone line current flows through the line The line current detec tion IC sends REVA1 and REVB1 to the ASIC as pulse signals This allows a dial tone to be detected Values in are for GD 1151 1201 in case that the descriptions vary between GD 1150 1200 and GD 1151 1201 Signal Name Type Active Description Destination REVA1 I Line 1 Current Detection Signal IC29 IC26...

Page 75: ...to the telephone line When a ring signal is input from the telephone line the photocoupler is repeatedly turned ON OFF This allows the CI1 signal to become a pulse signal and input to the ASIC on the FAX board thereby detect ing the ring signal Values in are for GD 1151 1201 in case that the descriptions vary between GD 1150 1200 and GD 1151 1201 Signal Name Type Active Description Destination CI1...

Page 76: ...gnal is input from the telephone line the photocoupler is repeatedly turned ON OFF This allows Q5 to be turned ON OFF and the CI1 signal to become a pulse signal and input to the ASIC on the FAX board thereby detecting the ring signal Values in are for GD 1151 1201 in case that the descriptions vary between GD 1150 1200 and GD 1151 1201 Signal Name Type Active Description Destination CI1 I Line 1 ...

Page 77: ... 3 5 3 VOLSEL1 VOLSEL2 14 2 MF SEL SP SEL 6 15 17 18 16 1 1 2 3 6 1 1 2 2 6 7 3 1 13 7 5 6 2 4 15 14 9 11 10 3 6 2 IC29 IC26 ASIC IC45 IC12 CPU 13 14 15 12 1 5 2 4 11 10 9 RING TXOUT1 RXIN1 1 43 12 9 10 MON 26 11 CML1 21 ATT3DB1 22 SP SP Speaker IC9 IC2 Analog switch IC10 IC1 IC3 Analog switch AG SG T1 IC53 IC52 AG CN9 CN501 0 1 0 8 12 1 4 9 0 1 0 1 0 1 IC51 Analog switch RLY2 CML relay FAX board ...

Page 78: ...e line to the MODEM side For the line path switching control refer to P 4 7 4 2 2 Line path switching control circuit The relation between the signal levels and monitoring signals is as follows The monitoring signal selected by IC3 is input to the analog switch IC9 IC2 to select the output sound volume The sound volume is selected by switching IC8 according to the VOLSEL0 2 signals output from the...

Page 79: ...put to the speaker Values in are for GD 1151 1201 in case that the descriptions vary between GD 1150 1200 and GD 1151 1201 Sound volume VOLSEL2 VOLSEL1 VOLSEL0 Max 7 LOW LOW LOW 6 LOW LOW HIGH 5 LOW HIGH LOW 4 LOW HIGH HIGH 3 HIGH LOW LOW 2 HIGH LOW HIGH Min 1 HIGH HIGH LOW Silent 0 HIGH HIGH HIGH Signal Name Type Active Description Destination SP SEL O H Line Tone Selection Signal IC3 MON O H Rin...

Page 80: ...GD 1150 1151 1200 1201 1160 1260 2003 2008 TOSHIBA TEC CORPORATION All rights reserved ELECTRICAL CIRCUITS 4 18 4 3 PC Boards 1 PWA F FAX 562 PWA F FAX 610 Fig 4 17 ...

Page 81: ... 2003 2008 TOSHIBA TEC CORPORATION All rights reserved GD 1150 1151 1200 1201 1160 1260 ELECTRICAL CIRCUITS 4 19 4 2 PWA F FAX 670 Fig 4 18 08 03 ...

Page 82: ...GD 1150 1151 1200 1201 1160 1260 2003 2008 TOSHIBA TEC CORPORATION All rights reserved ELECTRICAL CIRCUITS 4 20 3 PWA F NCU US 562 PWA F NCU 631 US Fig 4 19 08 03 ...

Page 83: ... 2003 2008 TOSHIBA TEC CORPORATION All rights reserved GD 1150 1151 1200 1201 1160 1260 ELECTRICAL CIRCUITS 4 21 4 4 PWA F NCU EU 562 PWA F NCU 631 EU Fig 4 20 5 PWA F MDM 563 Fig 4 21 08 03 ...

Page 84: ...GD 1150 1151 1200 1201 1160 1260 2003 2008 TOSHIBA TEC CORPORATION All rights reserved ELECTRICAL CIRCUITS 4 22 6 PWA F MDM 631 Fig 4 22 7 PWA F FAX POWER 610 Fig 4 23 08 03 ...

Page 85: ... 2003 2008 TOSHIBA TEC CORPORATION All rights reserved GD 1150 1151 1200 1201 1160 1260 ELECTRICAL CIRCUITS 4 23 4 8 PWA F FAX POWER 631 Fig 4 24 08 03 ...

Page 86: ...GD 1150 1151 1200 1201 1160 1260 2003 2008 TOSHIBA TEC CORPORATION All rights reserved ELECTRICAL CIRCUITS 4 24 ...

Page 87: ...hod Manual transmission Monitor dialing Direct dialing with the digital keys Phone book dialing Delayed transmission Multi transmission Redialing Recording paper size Recording paper size How to change the recording paper size Automatic manual reception How to switch the automatic and manual reception How the machine works and how to operate it when a FAX is received in these modes Other functions...

Page 88: ...GD 1150 1151 1200 1201 1160 1260 2003 2008 TOSHIBA TEC CORPORATION All rights reserved INSTALLATION 5 2 ...

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