Sharp FO-1850 Service Manual Download Page 61

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[3] Circuit description of TEL/LIU PWB

(1) TEL/LIU block operational description

1) Block diagram

Fig. 6

2) Circuit description

The TEL/LIU PWB is composed of the following 12 blocks.

1. Surge protection circuit

2. On-hook status detection circuit

3. Dial pulse generation circuit

4. CML relay

5. Matching transformer

6. Hybrid circuit

7. Speaker amplifier circuit

8. Adjustment of voice/ringer volume

9. Signal selection

10. Sensor circuit

11. CI detection circuit

12. Power supply and bias circuit

3) Block description

1. Surge Protection circuit

This circuit protects the circuit from the surge voltage occurring on
the telephone line.

•

The AR1 protects the circuit from the 390V or higher line surge
voltages.

•

The VA1 and VA2 protect the circuit from the 470V or higher
vertical surge voltages.

LINE

SIG TX

EXT.

CML

RXIN

TXCONT

TXOUT

DETECTOR

SEL C

GAIN-C

SEL A

SIG RX

TELIN

TELOUT

MPX B

MPX C

SPOUT

+5V

+24VA

VREF

P. E

SPMUTE

TXCONT

MPX B

MPX C

SP MUTE

TEL MUTE

RHS

SEL A

CML

HOOK SW

LIU PWB

CONTROL PWB

MODEM

(R144V24)

VOL A

VOL B

VOL C

0
1

RXCONT

MONITOR

XFC-MVP

SEL C

GAIN-C

SEL A

CML

Handset

Speaker

FO-1850TH

5 – 9

Summary of Contents for FO-1850

Page 1: ...ode table 2 20 CHAPTER 3 MECHANISM BLOCKS 1 General description 3 1 2 Disassembly and assembly procedures 3 4 CHAPTER 4 DIAGRAMS 1 Block diagram 4 1 2 Wiring diagram 4 2 3 Point to point diagram 4 3 CHAPTER 5 CIRCUIT DESCRIPTION 1 Circuit description 5 1 2 Circuit description of control PWB 5 2 3 Circuit description of TEL LIU PWB 5 9 4 Circuit description of power supply PWB 5 11 5 Circuit descri...

Page 2: ...mukaisesti French ATTENTION Il y a danger d explosion s il y a remplacement incorrect de la batterie Remplacer uniquement avec une batterie du même type ou d un type recommandé par le constructeur Mettre au rébut les batteries usagées conformément aux instructions du fabricant Swedish VARNING Explosionsfare vid felaktigt batteribyte Använd samma batterityp eller en ekvivalent typ som rekommenderas...

Page 3: ...o 356 mm Manual feeding Width 148 to 216 mm Length 128 to 1000 mm Effective scanning width 210 mm max Automatic document feeder 20 sheets max Halftone gray scale 64 levels for photo transmission Contrast control Automatic Dark selectable Copy function Single Multi copy Sort copy 99 cop ies page Telephone function Standard cannot be used if power fails Power requirements 230 to 240 V AC 50 Hz Opera...

Page 4: ...ss this key to make a copy At any other time press this key to print out the Help List a quick reference guide to the operaion of your fax STOP key Press this key to stop operations before they are completed VOLUME keys Press these keys to adjust the volume of the speaker when the SPEAKER key has been pressed or the volume of the ringer at all other times RECEPTION MODE key Press this key to selec...

Page 5: ...ed All clips staples and pins must be removed from documents be fore transmission Patched taped documents should be copied first on a copier and then the copies used for transmission All documents should be fanned before insertion into the feeder to prevent possible double feeds 5 Automatic Document Feeder Capacity Number of pages that can be placed into the feeder at anytime is as follows Normal ...

Page 6: ...h incidence of lightning or power surges we recommend that you install a surge protector for the power and telephone lines Surge protectors can be purchased at most telephone specialty stores If the machine is moved from a cold to a warm place If the machine is moved from a cold to a warm place it is possible that the reading glass may fog up preventing proper scanning of documents for transmissio...

Page 7: ...sert the empty spool into the back of the compartment so that the gear and the flange fit into the slots on the sides of the compartment Make sure that the gear engages with the gear below it 9Wind the film slightly rotate the gear on the right side of the empty spool so that there is no slack in the film Make sure that both edges of the film wind onto the spool evenly FRotate the printing head fr...

Page 8: ...socket on the fax Do not plug it into the TEL SET socket 4 Loading printing paper The paper tray holds the paper on which received documents and copies are printed Up to 300 sheets of A4 size paper from 60 to 90 g m2 can be loaded in the tray For the best results we recommend that you use Sharp FO 16NC A4 size or paper 1If the paper tray is in the fax machine remove the cover Grasp the end of the ...

Page 9: ...ge back to regular paper 5 Clearing paper jams If a document doesn t feed properly during transmission or copying or DOCUMENT JAMMED appears in the display first try pressing the START key If the document doesn t feed out open the operation panel grasp the front edge at the PANEL RELEASE mark and pull up and pull it out gently 1Grasp the finger hold on the right side of the printing compartment co...

Page 10: ... E D D I A L R E D I A L H O L D S E A R C H S P E A K E R Space Press this key twice to enter a space Letters and numbers To enter a letter or number press the appropriate key repeatedly until the desired number letter appears in the display the number appears first then the letters in the order shown above the key Delete Press this key to delete the letter highlighted by the cursor if the cursor...

Page 11: ...ty Report Timer List Telephone Number List Passcode List Option Setting List Anti Junk Fax Number List A M Program List Message List Program and Group List Print Set Up List Entry Mode Fax Tel Numbers for Auto Dialing Own Number and Name Set Polling Security Select Passcode Numbers for Polling Date and Time Set Store Junk Fax Number Optional Settings Fine Resolution Priority Number of Rings in Aut...

Page 12: ...Upper lower case shift key Moves cursor to the left Moves cursor to the right SETTING THE DATE TIME To set date and time press the following sequence of keys DATE TIME SET will appear Press the START key Enter two digits for the Date 01 through 31 Enter two digits for the Month 01 through 12 Enter two digits for the Year 00 through 99 Enter two digits for the Hour 00 through 23 Enter two digits fo...

Page 13: ... Press the following sequence of keys 2 Press 1 to enter a passcode or 2 to clear a previously programmed passcode 3 Enter the number of the box for which you want to enter or clear a passcode If you are clearing a passcode go to Step 5 4 Enter a 3 digit passcode by pressing the number keys 5 Press LISTENING TO MESSAGES 1 Press 2 If you want to listen to the messages in a personal box enter the nu...

Page 14: ...he location of ICPs are shown below 1 F100 ICP S07 is installed in order to protect IC s from an over current generated in the motor drive circuit If F100 is open re place it with a new one 3 Settings 1 Dial mode selector DIAL mode Soft Switch No SWB4 DATA No 3 CNSP CNTH CNPW CNPN CNCVR CNMT CNCCD CNRBN CNLIUA CNLIUA CNLIUB CNLIUB TEL LIU PWB CONTROL PWB POWER SUPPLY PWB CNLIUA CNLIUB F100 CONTROL...

Page 15: ...list and option set list contents 13 13 Flash memory check Checks flash memory write read 14 14 Flash memory clear Checks flash memory clearing 15 15 RS232C check Checks RS232C interface box 1 Operating procedure 1 Entering the diagnostic mode Press FUNC 9 8 7 and the following display will appear ROM Ver FAZ0 After 2 sec DIAG MODE FAZ0 Then press the START key and country name selected by country...

Page 16: ...re sent in the level set by the soft switch 1 No signal 8 V 29 9600bps CML signal turned on 9 V 29 7200bps 2 V 33 14400bps 10 V 27 ter 4800bps 3 V 33 12000bps 11 V 27 ter 2400bps 4 V 17 14400bps 12 300bps FLAG 5 V 17 12000bps 13 2100Hz CED 6 V 17 9600bps 14 1100Hz CNG 7 V 17 7200bps 15 END The signal can be checked by plugging the handset into the TEL line connector on the rear of the machine 3 7 ...

Page 17: ...on of hardware and signal in the flash memory check mode and flash memory clear mode and the result of check The result is announced by the buzzer beeps The result of check is printed Beeps 0 No error 1 Memory error 3 15 RS232C check The RS232C interface box is checked The result is printed after completion of check Press FUNCTION 9 8 7 START START Press FUNCTION key Press key Press key Bit1 8 are...

Page 18: ...formation transmit No Yes 0 6 Reserved 0 7 Communication error treatment in RTN sending mode reception No communication error Communication error 0 8 CNG transmission No Yes 0 SW l A3 CED tone signal interval 1000ms 750ms 500ms 75ms 1 No 1 1 1 0 0 0 2 No 2 1 0 1 0 0 3 MR coding No Yes 0 4 ECM mode No Yes 0 OPTION 5 ECM MMR mode No Yes 0 6 Reserved 0 7 Reserved 0 8 Reserved 0 SW l A4 1 Signal trans...

Page 19: ... B2 1 Dial pausing sec pause 4sec 2sec 0 2 Reserved 0 3 Reserved 0 4 Reserved 0 5 Reserved 0 6 Reserved 0 7 Reserved 0 8 Reserved 0 SW l B3 1 Reserved 0 2 Reserved 0 3 Reserved 0 4 Reserved 0 5 Reserved 0 6 Reserved 0 7 Reserved 0 8 Reserved 0 SW l B4 1 Auto Dial Mode Delay timer of before line connect 3sec 0sec 1 2 Auto Dial Mode Delay timer of after line connect 3 6sec 3sec 0 3 Dial mode Tone Pu...

Page 20: ... 1 2 3 4 0 4 0 0 0 1 1 5 Automatic switching manual to auto receive mode Reception after 5 rings No reception 0 OPTION 6 Reserved 0 7 Reserved 0 8 Reserved 0 SW l D2 1 Reserved 0 2 Reserved 0 3 Reserved 0 4 Distinctive ringing detection Yes No 0 5 Reserved 0 CI off detection timer Distinctive ring setting off only 1200ms 1000ms 700ms 350ms 6 No 6 0 1 0 1 0 7 No 7 0 0 1 1 1 8 Reserved 0 SW l E1 1 A...

Page 21: ...9 Binary input 0 OPTION 6 No 8 4 2 1 1 7 5 6 7 8 0 8 0 1 0 1 1 SW l F2 1 CNG detection in STAND BY mode Yes No 1 OPTION Number of CNG detect AM mode 1pulse 2pulses 3pulses 4pulses 2 No 2 0 0 1 1 0 3 No 3 0 1 0 1 1 Number of CNG STAND BY mode 1pulse 2pulses 3pulses 4pulses 4 No 4 0 0 1 1 0 5 No 5 0 1 0 1 1 6 Reserved 0 7 Reserved 0 8 Reserved 0 SW l G1 1 Reserved 0 2 Reserved 0 3 Reserved 0 4 Reser...

Page 22: ...CM for internal A M No Yes 0 SW l H2 Busy tone detection pulse number 2pulses 4pulses 6pulses 10pulses 1 No 1 0 0 1 1 0 2 No 2 0 1 0 1 1 3 Fax switching when A M full Yes No 0 OPTION 4 Busy tone continuation sound detect frequency 320Hz 570Hz 320Hz 460Hz 0 5 Reserved 0 6 Reserved 0 7 Reserved 0 8 Reserved 0 SW l I1 ICM recording time 4min 15s 30s 60s 1 No 1 0 0 1 1 0 2 No 2 0 1 0 1 0 A M quiet tim...

Page 23: ... SW l I6 1 AGC gain adaptation threshold line Binary input 1 2 No 8 4 2 1 1 3 1 2 3 4 1 4 1 1 1 1 1 5 AGC gain adaptation threshold Mic Binary input 0 6 No 8 4 2 1 1 7 5 6 7 8 0 8 0 1 0 1 1 SW l I7 AGC slew rate line Slow Normal Little fast Fast 1 No 1 0 0 1 1 0 2 No 2 0 1 0 1 1 AGC slew rate Mic Slow Normal Little fast Fast 3 No 3 0 0 1 1 1 4 No 4 0 1 0 1 1 5 FAX BOX function Disable Enable 1 OPT...

Page 24: ... 1 0 0 4 No 6 0 1 0 1 0 0 5 Reserved 0 6 Reserved 0 7 Reserved 0 8 Reserved 0 SW l K1 1 Entering DIAG mode by pressing SPEED key Yes No 0 2 Reserved 0 3 Reserved 0 4 Reserved 0 5 Reserved 0 6 Reserved 0 7 Reserved 0 8 Reserved 0 SW l L1 1 Reserved 0 2 Reserved 0 3 Reserved 0 4 Reserved 0 5 Cut off mode COPY mode Yes No 1 OPTION 6 A4 paper enable Enable Disable 1 7 LEGAL LETTER paper enable Enable ...

Page 25: ... 0 1 1 2 No 2 0 0 0 3 No 3 0 0 0 4 No 4 1 0 0 Serial port speed during no communication in PC I F mode 2400bps 19200bps 5 No 5 0 1 1 6 No 6 0 0 0 7 No 7 0 0 0 8 No 8 1 0 0 SW l M2 1 Auto reception in PC I F mode FAX PC 1 OPTION 2 PC I F mode Yes No 1 3 PC I F command free Yes No 0 4 Reserved 0 5 Reserved 0 6 Reserved 0 7 Reserved 0 8 Reserved 0 FO 1850TH 2 12 ...

Page 26: ...EADER PRINT described in the passcode list at the front end of receiver s original when original is sent to the remote machine If this switch is set to NO the HEADER PRINT is not output at the receiving machine SW A2 No 6 Reserved Set to 0 SW A2 No 7 Communication error treatment in RTN sending mode Reception Used to determine communication error treatment when RTN is sent by occurrence of a recei...

Page 27: ... mode SW B4 No 5 Dial pulse make break ratio When using the 33 make ratio pulse dial set to 0 When using the 40 make ratio pulse dial set to 1 SW B4 No 6 No 8 Reserved Set to 0 SW B5 No 1 No 5 DTMF signal transmission level Low The transmission level of DTMF signal is adjusted lower frequency 00000 0dBm 11111 15 5dBm 0 5dBm x 31 SW B5 No 6 No 8 Reserved Set to 0 SW B6 No 1 No 5 DTMF signal transmi...

Page 28: ...eption function is disabled SW F1 No 4 Remote reception with GE telephone Corresponding to TEL made by GE P B X 1 Compatible with TEL mode by GE 0 Not compatible When sending 5 for remote reception with a GE manufac tured telephone remote reception may not take place because of special specifications in their DTMF To overcome this a soft SW is provided to change the modem setting to allow for remo...

Page 29: ...Used to turn on the toll saver function If it is off the reception fre quency in the AM mode is identical with that in the FAX mode SW I3 No 5 No 6 Reserved Set to 0 SW I3 No 7 BOX selection to record ICM While the SWI2 No 1 is off it is possible to specify the box to record ICM by inputting the DTMF code during OGM output or ICM record ing 1 digit Input of box number 1 3 2 digit Input of box numb...

Page 30: ...onvergence SW I7 No 5 FAX BOX function FAX BOX function YES NO is set SW I7 No 6 Frequency of voice detection after REMINDER dial ing When reminder calling machine will detect the voice signal and start to send the reminder voice message This switch is used to select the voice detecting frequency range When set to 0 machine detect the 800 1200Hz as voice When set to 1 machine detect the 800 1400Hz...

Page 31: ...f receive If set to 1 it is reduced automatically when receiving SW L2 No 4 Paper type The type of the recording paper is set SW L2 No 5 No 8 Reserved Set to 0 SW M1 No 1 No 4 Serial port speed during communication in PC I F mode Used to set RS232C baud rate between PC and FAX after outputting the result code for communication start command AT FCLASS 1 or AT FCLASS 2 in PC I F mode SW M1 No 5 No 8...

Page 32: ... and check the related matters TO ATT Ref No CC ATT Date FM Dept Sign Facsimile communication problem Ref No From Mr Fax Tel No Date Our customer Name Tel No Address Fax No Contact person Model name Other party Name Tel No Address Fax No Contact person Model name Problem mode Line Domestic international Model G3 Phase A B C D Reception Transmission Automatic reception Manual reception Automatic di...

Page 33: ...t after fallback 13 Error occurred after a response to retransmission end command was received G3 Reception Code Final received signal Error Condition Receiver side 0 Incomplete signal frame Cannot recognize bit stream after flag 1 NSS DCS Cannot recognize CFR or FTT signal Disconnects line during transmission line error 2 NSC DTC Cannot recognize NSS signal FIF code etc 3 EOP Cannot recognize MCF...

Page 34: ...ent separation method Separation rubber plate Fig 3 3 3 Documents applicable for automatic feed 4x6 series 788mm x 1091mm x 1000mm sheets Square meter series Minimum Maximum Minimum Maximum Feeder capacity 20 sheets max Paper weight 45kg 64 3kg 52g m2 74 3g m2 Paper thickness ref 0 06mm 0 09mm 0 06mm 0 09mm Paper size B6 128mm x 182mm A4 210mm x 297mm Letter 216mm x 279mm NOTE Double side coated d...

Page 35: ... is composed of the document feed mechanism the LED lamp the reflecting mirrors the focusing lens the CCD sensor and the read process circuit 5 1 LED Lamp Lens The LED lamp is used to project light to the document NOTE Take care for the position of the red mark on the lens Top of the light projected side 5 2 CCD The CCD charge coupled device image sensor consists of a pho todiode array which conve...

Page 36: ...ed on by sensing its lead edge b Hereafter the imaging film and recording paper are transferred with the recording paper feed roller and thermal transcription is done on the recording paper c After thermal transcription the imaging film is taken up by the roller on the take up side and the recording paper is discharged by the PO roller As basic the density unevenness mainly results from the longit...

Page 37: ...list and the flowchart in a same section are common to each other To assure reliability of the product the disassembly and the assembly procedures should be performed carefully and deliberately 1 a Remove the bottom plate ass y from the mechanism unit according to the flowchart Parts list Fig 1 No Part name Q ty 1 Mechanism unit 1 2 Screw 3 8 5 3 Screw 4 6 1 4 Earth cable 1 5 Connector 7 6 Bottom ...

Page 38: ...r out guide unit from the mechanism unit according to the flowchart Parts list Fig 2 No Part name Q ty 1 Mechanism unit 1 2 Screw 3 6 1 3 Pinion gear 1 4 Hopper spring 1 5 Hopper guide left 1 6 Hopper guide right 1 7 Top cover 1 8 Screw 3 8 2 9 Screw 3 12 4 10 Paper out guide unit 1 9 9 9 9 8 8 1 4 3 2 5 6 7 10 1 2 4 5 6 7 3 9 10 8 Fig 2 FO 1850TH 3 5 ...

Page 39: ... procedure 2 b c Remove the paper out guide and head frame unit from the paper out guide unit according to the flowchart Parts list Fig 3 No Part name Q ty 1 PO pinch roller spring 2 2 PO pinch roller 2 3 Arm up spring 2 4 Head frame unit 1 5 Paper out guide 1 3 3 4 1 2 1 2 5 2 4 3 5 1 2 Rib Figure e c d c d Instal lation order c d e To same condition the opposition side c d e 1 4 3 e Fig 3 FO 185...

Page 40: ...ead frame unit 1 13 Head support spring 1 2 Screw 3 8 1 14 Head spring F 2 3 Earth cable 1 15 Head spring K 2 4 Head frame cover 1 16 Head spring B 1 5 Lock lever spring left 1 17 Head frame 1 6 Lock lever left 1 18 Connector 1 7 Lock lever spring right 1 19 Screw 2 6 6 2 8 Lock lever right 1 20 Film guide plate 1 9 Connector 1 21 Head guide right 1 10 Ink switch 1 22 Head guide left 1 11 Screw 3 ...

Page 41: ...chanism unit according to the flowchart Parts list Fig 5 No Part name Q ty No Part name Q ty 1 Mechanism unit 1 9 Document guide lower unit 1 2 Screw 3 8 1 3 Stopper plate 1 10 Feed gear ass y 1 4 Connector 1 11 Feed roller 1 5 Operation panel unit 1 12 PO pinch roller 2 6 Screw 3 12 1 13 PF pinch roller spring 2 7 Drive unit cover 1 14 Document guide lower 1 8 Screw 3 8 5 9 1 5 3 5 9 8 8 2 3 8 9 ...

Page 42: ...4 Panel lock lever spring 1 16 Pinch roller shaft 1 5 Panel lock lever 1 17 Pinch roller 2 6 Rear sheet 1 18 Document sensor lever spring 1 7 Transfer gear 1 8 Bearing 1 19 Document sensor lever 1 9 Transfer roller 1 20 Insulation sheet 1 10 Idler gear 28Z 1 21 Document guide upper 1 11 Idler gear 20Z 1 13 12 21 14 15 19 18 20 11 10 16 17 4 5 9 6 2 8 2 3 1 1 2 4 5 7 8 3 6 21 13 14 15 12 11 9 17 18...

Page 43: ...re 5 c d Remove the operation panel from the operation panel unit according to the flowchart Parts list Fig 7 No Part name Q ty No Part name Q ty 1 Operation panel unit 1 7 Stop key 1 2 Screw 2 6 6 8 Volume key 1 3 Operation panel PWB unit 1 9 Mode key A 1 10 Direct key 1 4 Key sheet 1 11 12 key 1 5 12 key rubber sheet 3 12 Mode key B 1 6 Start key 1 13 Operation panel 1 1 2 4 5 6 3 8 9 10 11 12 7...

Page 44: ...over optical unit drive unit and joint PWB unit from the mechanism unit according to the flowchart Parts list Fig 8 No Part name Q ty No Part name Q ty 1 Mechanism unit 1 9 Dustproof sheet left 1 2 Screw 3 8 2 10 Dustproof sheet right 1 3 Connector 1 11 Connector 3 4 Cover switch 1 12 Screw 3 8 1 5 Handset cover 1 13 Drive unit 1 6 Hook switch lever 1 14 Screw 3 8 1 7 Connector 2 15 Screw 1 8 Opti...

Page 45: ...cal unit from the mechanism unit according to procedure 8 d e Remove the optical frame from the optical unit according to the flowchart Parts list Fig 9 No Part name Q ty No Part name Q ty 1 Optical unit 1 8 LED 1 2 Screw Red 1 9 Shield sheet 3 2 3 CCD PWB unit 1 10 Mirror 3 1 4 Shading sheet 1 11 Mirror 1 1 5 Lens holding spring 1 12 Mirror 2 1 6 Lens 1 13 Mirror sheet 2 7 Reader glass 1 14 Optic...

Page 46: ...m the drive unit according to the flowchart Parts list Fig 10 No Part name Q ty No Part name Q ty 1 Drive unit 1 11 Reduction gear B 1 2 Screw 3 8 2 12 Planet lever 4 ass y 1 3 Motor 1 13 Planet lever 3 ass y 1 4 Motor heat sink 1 14 Planet lever 2 ass y 1 5 Tape up gear 1 15 Planet lever 1 ass y 1 6 Slip gear ass y 1 16 Cam A 1 7 Reduction gear A 1 17 Cam hold spring 1 8 Reduction gear F 1 18 Cam...

Page 47: ...g to the flowchart Parts list Fig 11 No Part name Q ty No Part name Q ty 1 Mechanism unit 1 12 Back tension gear 1 2 PO belt 1 13 Back tension felt 1 3 PF gear 1 14 Slip spring 1 4 PF roller 1 15 Hold down plate B 1 5 PO roller 1 16 Pinch pressing spring 2 6 Platen bearing 2 17 Pinch roller 2 7 Platen roller 1 18 Pinch roller shaft 1 8 Platen gear 1 19 Roller 1 9 PE sensor lever 1 20 Screw with wa...

Page 48: ... cord from the bottom plate according to the flowchart Parts list Fig 12 No Part name Q ty 1 Bottom plate 1 2 Screw 3 6 1 3 Screw 3 5 5 4 TEL LIU PWB unit 1 5 Control PWB unit 1 6 Screw 4 6 1 7 AC cord 1 8 Power supply PWB unit 1 9 PWB spacer 1 4 1 3 3 3 3 3 5 8 2 9 1 2 4 5 3 6 8 9 7 1 Rib Rib PWB 6 7 Fig 12 FO 1850TH 3 15 ...

Page 49: ...ead cable 3 times Panel cable 4 times Panel cable Motor joint cable 3 times Motor joint cable Cover switch cable Ink switch and cover switch cables 2 times Ink switch cables CCD joint cable CCD joint cable 4 times Lower cabinet Bottom plate Motor joint cable Panel cable Lower cabinet POWER SUPPLY PWB CONTROL PWB TEL LIU PWB 5 3 4 2 3 2 2 3 3 2 2 4 2 Motor joint cable Motor cable Cam switch cable C...

Page 50: ...ION PANEL I F ROM 4MBIT SRAM 256KBIT REGULATOR RECTIFIRE STABILIZER RCC SYSTEM RECTIFIRE DIODE SURGE ABSORBER INPUT FILTER FEEDBACK CIRCUIT COMPARATOR THERMAL HEAD CCD 5V 24V SW CIRCUIT GPIO I F LED DRIVER CLOCK VBT OPERATION PANEL LCD DIAL PULSE FILTER MUTE CIRCUIT SELECT AMP BLOCK FLASH MEMORY 4MBIT CLOCK TX ANALOG SIGNAL SELECTOR BLOCK RX SPOUT DRAM MEMORY 4MBIT SERIAL CONTROL UNIT PC JACK 4 1 ...

Page 51: ...CNLIUA POWER SUPPLY PWB 14 CNLIUB CNCCD CNMT 8 CNRBN 2 TX RX MOTOR CNLIUA CNLIUB CONTROL PWB CNPW 9 CCD PWB CNCVR 2 OPERATION PANEL PWB LCD UNIT 13 8 INK RIBBON 2 6 CAM SW 8 LED ARRAY 7 2 COVER SW CNPN 16 CNMT1 JOINT PWB 2 2 CNCSW CNMT2 CNCCD2 CNLED CNCCD1 CNOPT FO 1MHG OPTION MEMORY 40 MULTIFUNCTION INTERFACE PWB 8 CNRS 9 CNDS CNPC 4 2 FO 1850TH ...

Page 52: ... CSWSNS DG TPBD TPAD TPBD TPAD VMT VMT CNMT1 1 2 3 4 5 6 1 2 3 4 5 6 TPBD TPAD TPBD TPAD VMT VMT TPBD TPAD TPBD TPAD VMT VMT CNCSW 1 2 1 2 CSWSNS DG CSWSNS DG CNCCD1 1 2 3 4 5 6 7 1 2 3 4 5 6 7 VO 5V VG øT ø2 ø1 øR VO 5V VG øT ø2 ø1 øR CNLED 1 2 1 2 24V LEDON 24V LEDON CNCCD 1 2 3 4 5 6 7 8 9 CNCCD2 1 2 3 4 5 6 7 8 9 24V LEDON VO 5V VG øT ø2 ø1 øR 24V LEDON VO 5V VG øT ø2 ø1 øR CNOPT 1 2 3 4 5 6 7...

Page 53: ...n the transmit buffer of the RAM The data is then con verted from parallel to serial form by the modem where the serial data is modulated and sent onto the line Receive operation There are two ways of starting reception manual and automatic Depression of the START key in the off hook mode in the case of manual receive mode or CI signal detection by the LIU in the automatic receive mode First the X...

Page 54: ...BLOCK IMAGE SIGNAL PROCESS BLOCK MAIN CONTROL BLOCK MODEM CONTROL BLOCK MECHANISM RECORDING CONTROL BLOCK MC24 CPU Control IF MC24 Megacell 8bit Data 24bit Address WatchdogTimer Real Time Clock Crystal Oscillator Battery Back up Circuit Interrupt Controller BUS Interface DRAM Control Internal External Bus Control Internal External Decode DMA controller CPU Bus 1K Intermal RAM MC24 CPU Shading corr...

Page 55: ...DRAM row address select CAS 2 0 n 110 112 O 2XTT DRAM column address select DWRn 109 O 3XTT DRAM write Prime Power Reset Logic and Test DEBUGn 129 I HU External non maskable input NMI RESETn 131 I O HU 2XO XFC Reset TEST 58 I C Sets Test mode battery powered Battery Power Control and Reset Logic XIN 59 I OSC Crystal oscillator input pin XOUT 60 O OSC Crystal oscillator output pin PWRDWNn 62 I H In...

Page 56: ...I O chip select GPIO16 IRQ8 76 I O H 1XC Programmable GPIO line or active high interrupt GPIO17 IRQ5n 75 I O H 1XC Programmable GPIO line or active low interrupt GPIO18 IRQ10n 74 I O H 1XC Programmable GPIO line or active low interrupt GPIO 19 RDY SEROUT 73 I O H 1XC Programmable GPIO line Ready or Serial out Autobaud Miscellaneous SM 3 0 GPO 7 4 103 106 O 1XC Programmable scan motor control pins ...

Page 57: ...y 3 Mechanism recording control block The following controls are performed by XFC MVP Motor control Thermal head control Cutter motor control Sensor detection XFC MVP STRB 3 0 STRBPOL THADI PDAT PCLK PLAT PRINTER DATA CONTROL THERMAL HEAD SM 3 0 MOTOR PRINTER SCANNER MOTOR DRIVER GPIO GENERAL PURPOSE I O SENSOR Fig 4 FO 1850TH 5 5 ...

Page 58: ...age in audio grade RAMs ARAMs Echo cancellation techniques employed during play back allow DTMF and tone detection during voice audio codec opera tion to support user selectable features The coder can record mes sages from either the IIA or XIA Dual single tone transmission is available when the decoder is disabled FEATURES Group 3 facsimile transmission reception ITU T V 17 and V 33 RFX144 models...

Page 59: ...51 NC 52 CS IA 53 READ IA 54 GPI2 IA 55 GPI3 IA 56 GPI4 IA 57 GPI5 IA 58 VDD2 PWR 59 GPI6 IA Pin No Signal Name I O Type 60 GPI7 RINGD IA 61 GPO7 OB 62 GPO6 OB 63 GPO5 OB 64 GPO4 OB 65 GPO3 OB 66 DGND2 GND 67 CTS OA 68 IRQ1 OC 69 GPO2 OB 70 GPO1 OB 71 GPO0 OB 72 RESET OA 73 XTLI I 74 XTLO O 75 XCLK OD 76 YCLK OD 77 VDD3 PWR 78 IRQ2 OC 79 SR3IN MI 80 DGND3 GND 81 DGND4 GND 82 SR4IN MI 83 SR3OUT MI ...

Page 60: ...he output video signal from the CCD is input into the XFC MVP through the amplifying circuit and clamp circuit The ADC and buffer are provided in the XFC MVP and the digital image processing is performed XFC MVP CLAMP CIRCUIT AMPLIFIER CIRCUIT VIDEO SIGNAL CCD VREF VREF CLOCK FO 1850TH 5 8 ...

Page 61: ...d bias circuit 3 Block description 1 Surge Protection circuit This circuit protects the circuit from the surge voltage occurring on the telephone line The AR1 protects the circuit from the 390V or higher line surge voltages The VA1 and VA2 protect the circuit from the 470V or higher vertical surge voltages LINE SIG TX H L EXT CML RXIN TXCONT TXOUT CI DETECTOR SEL C GAIN C SEL A SIG RX TELIN TELOUT...

Page 62: ...the off hook state The speaker volume can be adjusted by using the speaker key 9 Signal selection The following signals are used to control the transmission line of TEL FAX signal For details refer to the signal selector matrix table Control signals from output port Signal Name Description CML Line connecting relay and DP generating relay H Line make L Line break SP MUTE Speaker tone mute control ...

Page 63: ...ecording paper the photo transistor in the light receiving side is ON and the detection level is LOW When there is no recording paper the photo transistor in the light receiving side is OFF and the detection level is HIGH 11 Cl detection circuit The CI detection circuit detects the CI signals of 15 3 Hz to 68 Hz A CI signal which is provided to the photo coupler PC3 through the C1 0 82 uF R2 22 K ...

Page 64: ...f T1 by ZD2 and R11 The overvoltage protection is performed by operating the overcurrent protection circuit through destruction of zener diode ZD4 and short circuiting of load 2 4 5V circuit Each DC voltage supplied by rectifying the output of transformer T1 with diode D5 is stabilized by 3 terminal regulator IC2 2 5 Fuse F1 F2 Be sure to use the following fuses Maker LITTELE Type 2151 25ME600 Rat...

Page 65: ...M E M O FO 1850TH 5 13 ...

Page 66: ... C131 1000P DG DG C126 0 1 DG C134 0 1 DG C140 0 1 DG C147 0 1 DG C137 0 1 DG C151 0 1 DG C132 0 1 DG C133 0 1 GPIO13 GPIO12 GPIO11 GPIO10 GPIO9 GPIO8 GPIO7 GPIO6 GPIO5 GPIO4 GPIO3 GPIO2 GPIO1 GPIO0 D7 D6 D5 D4 D3 D2 D1 D0 R132 220 R133 220 R134 220 R135 220 R136 220 R162 220 R161 220 R160 220 3 A21 2 A22 1 A23 A3 A2 A1 A0 A3 A2 A1 A0 24 25 26 27 R181 330 R138 330 R149 330 R150 330 R139 330 R140 3...

Page 67: ...C 30 VCC 39 GND 23 GND DG CNOPT 38 40 DG CE1 1 3H OPTCS CNOPT 32 RD 1 3H RD CNOPT 29 WR 1 3H WR CNOPT 30 CE2 5 1D CE2 CNOPT 33 ROMCS1 2 4A FD7 CNOPT 28 A19 A0 CNOPT 1 20 D6 D5 D4 D3 D2 D1 D0 FD6 CNOPT 27 FD5 CNOPT 26 FD4 CNOPT 25 FD3 CNOPT 24 FD2 CNOPT 23 FD1 CNOPT 22 FD0 CNOPT 21 D7 D0 5 18 17 16 15 14 12 11 10 9 22 3 23 A8 A7 A6 A5 A4 A3 A2 A1 A0 OE WE CAS IC7 MB4256A 70 DQ1 DQ2 DQ3 DQ4 A9 D7 D6...

Page 68: ...92MHZ C181 1000P X3 19 66MHz C136 15P R190 1M C130 15P L107 Z2139 IC4 R144V24 5V MAG IC105 NJM2902 MAG DG C198 0 1 R238 10K 11 6 NC DG DG C249 DG IC101 HCU04 1 C172 5P R225 L110 3 3µH C180 5P DG DG 5 5E PIN 5 5C TTICONT R253 MCS RD WR MIRQ 1 3H 1 3H 1 3H 1 6F R246 10K R239 10K TR108 A4 A0 MDMRST NC C174 0 1 C190 1000P DG CNMT 1 C114 1000P DG CSWSNS N M 6 5H CNLIUB 7 4 4A 5 3E 6 1H VOL B VOL A PDOW...

Page 69: ...NB 1 1E TPA 1 1E TPB 1 1E TPB 24 VREFA 23 CRA DG R168 3 3K 3 6D PDOWN1 DG E C B R124 47K R167 5 6K R170 27K TR101 DG E C B 3 1D PDOWN2 TR102 25 VSA RSA 28 PGA 15 PGB 13 RSB DG DG R146 4 7K R163 4 7K DG MG MG MG MG R2 0 1 1 2W VMT CNMT 8 TPAD CNMT 4 TPAD CNMT 6 TPBD CNMT 5 TPBD CNMT 3 1 14 OUTA OUTB 21 LG DG DG C118 3300P R137 4 7K 20 CRB 18 VSB MG R147 4 7K C121 3300P IC14 4066 5V C229 0 1 7 VIDEO...

Page 70: ...S R110 270 R107 1 3A 7 5G 1 4A C108 2200P C113 2200P DRSNSI FRSNSI DG R128 270 CNPN 9 ORGSNS C122 2200P C116 0 1 R127 5 6K R129 3 3K 3 2 1 R145 30K IC100 NJM2903 1 4A ORGSNSI DG C125 0 1 8 4 C123 0 1 DG LC1 N M DG DG DG DG TP47 1 2 3 4 3 1D POUT DG R251 5V PC1 1 2 3 4 3 1D PIN DG R283 220 5V PC2 PRI 574 TP52 TP46 CNLIUB 6 PE 1 4A PEI C221 2200P DG R280 270 IC100 NJM2903 7 6 5 R166 4 7K R164 4 7K T...

Page 71: ...R255 1K C193 4700P DG DG 0 1 5 IC10 MC14053DR2 9 4 3 R300 20K C220 0 1 1 1E MPXB 1 0 1 2 15 10 Y C211 C215 3900P DG N M IC11 MC14053DR2 N M R305 DG 1 4A GAIN C CNLIUB 11 MPXB 1 4A SEL C 1 3A SELA 13 12 14 IC11 MC14053DR2 11 N M DG 3 3H SIGTX VREF2 R303 0 IC13 2902 2 3 4 11 1 R308 10K C230 N M 24VA R192 0 1 DG DG R286 C218 R288 C219 R282 DG DG N M 3 1C RXCONT 3 4H SIGRX 3 1C MONITOR 0 1 2 10 15 1 I...

Page 72: ...RESET 20 CLK 9 TXCLK 25 RXCLK RD 1 3H WR 1 3H A0 1 6H SIRES 1 3A TSTCLK 1 6G SICLK 1 4A B N C VDD 26 GND 4 C104 0 1 DG L105 Z2134 L100 1K L102 1K C102 C107 C101 C103 DG DG DG DG TXD RXD RTS CTS CNPC 2 CNPC 3 CNPC 4 CNPC 6 5V DG VDD CNPC 8 PDG CNPC 1 PDG CNPC 5 FG CNPC 7 L103 0 L104 0 C105 1 E C B E C TR110 RN1402 TR111 RN1402 R330 10K R121 0 DRSNSI 1 4A 5 4D PRSNS 5 4D SELB CNLIUB 12 TXDO 1 5A R11...

Page 73: ...Control PWB parts layout Top side 6 8 FO 1850TH ...

Page 74: ...Control PWB parts layout Bottom side 6 9 FO 1850TH ...

Page 75: ...G L3 SBT0260 PC1 PC814 C M RY1 B C M B C1 1 5 R1 30K 1 4W R2 22K 1 2W 8 9 10 VREF R32 R18 36K C15 330P N M R14 10K CNLIUB 3 TXOUT R19 15K C17 2 2 50 R10 47K R16 10K C18 2200P 13 12 14 R15 10K IC2 2902 R13 10K R17 10K C14 2200P VREF CNLIUB 4 RX IN C29 4 7 50 ZD3 HZ27 A PC2 TLP521 1 L1 SBT0260 L2 SBT0260 3 5 8 7 2 4 R9 3 3K 1 6 C10 4 7 50 C9 1 50 SP SPMUTE CNSP 2 CNLIUB 8 P E 1 P E TP1 CNLIUA 8 RHS ...

Page 76: ...TEL LIU PWB parts layout 6 11 FO 1850TH ...

Page 77: ...16 FB1 8 5V R13 270 R14 6 8K C15 820 35 R10 22 D3 1SS53 PC1A PC123FV8 Q4 2SC1815 1 2 AC L AC N R3 15K C9 0 068 R4 470 Q3 2SC1815 Q2 2SC2655 C10 C11 2200P ZD2 MTZJT72 3 6A R11 270 1 2W R8 390 1 2W C8 4700P C12 2200P ZD4 MTZJT72 6 2B VR1 500 AG CN2 08P FJ D1 1SS53 TH1 160 ohm D7 RL1N4005 D9 RL1N4005 D8 RL1N4005 F3 1 3 R18 N M 1 2 3 4 6 7 R15 2 4K R8 56K 2W C2 0 1 C4 1000P C3 1000P F2 T1 25AH 250V N ...

Page 78: ...6 13 Power supply PWB parts layout FO 1850TH ...

Page 79: ... 22 21 20 19 18 17 16 15 14 13 12 1 2 3 4 5 6 7 8 9 10 11 NC NC NC NC NC Φ1 NC RS OD DOS OS SS SH NS Φ2 NC NC NC NC NC NC NC NC Q1 C1815 C2 0 022 CN1 2 5V CN1 1 VO CN1 3 AG C1 22 50 R1 2 2K R2 39 CN1 VO 1 2 3 4 5 6 7 5V AG T 2 1 R Φ Φ Φ Φ 4 CCD PWB circuit V0 1 5V F2802XH Z8 CCD PWB parts layout 6 14 FO 1850TH ...

Page 80: ...6 11 02 07 12 17 03 13 18 04 14 START 05 15 20 MEMORY MODE FUNCTION STOP RESO CNLCD 6 CNLCD 5 CNLCD 3 CNLCD 2 CNLCD 1 C1 22 50 C2 22000P R10 6 2K 19 N M CNPN 7 5V 08 09 10 16 CNLCD 11 LD4 CNLCD 12 LD5 CNLCD 13 LD6 CNLCD 14 LD7 CNLCD 4 RS CNPN 8 SEN5 D1 1SS270 D2 1SS270 D3 1SS270 D4 1SS270 D5 1SS270 D6 1SS270 0 7 8 DELETE PLAY MEMO SPEAKER REMINDER REPEAT 5V 16 N C R1 100K R2 100K R3 100K R4 100K R...

Page 81: ...Operation panel PWB parts layout 6 16 FO 1850TH ...

Page 82: ...CNCCD2 8 Φ CNCCD1 5 CNCCD2 7 Φ CNCCD1 4 CNCCD2 6 VG CNCCD1 3 CNCCD2 5 5V CNCCD1 2 CNCCD2 4 VO CNCCD1 1 CNCCD2 3 LEDON CNLED 2 CNCCD2 2 R 1 2 T 24V CNLED 1 CNCCD2 1 ZD1 CNCCD2 24V 1 2 3 4 5 6 7 8 9 LEDON VO 5V VG Φ Φ Φ Φ T 2 1 R CNCCD1 1 2 3 4 5 6 7 VO 5V VG Φ Φ Φ Φ T 2 1 R CNLED 1 2 24V LEDON CNMT2 CSWSNS 1 2 3 4 5 6 7 8 DG TPBD TPAD TPBD CNMT1 1 2 3 4 5 6 TPBD TPAD TPBD CNCSW 1 2 CSWSNS DG TPAD V...

Page 83: ...Joint PWB parts layout 6 18 FO 1850TH ...

Page 84: ... 1 50 C4 0 1 50 V 2 C3 0 1 50 R3 0 R5 0 R2 0 FL4 Z2021 FL2 0 FL3 0 RXD CNRS 6 CTS CNRS 3 TXD CNRS 4 RTS CNRS 2 FG CNRS 7 FL6 0 FL8 0 FL5 Z2021 FL7 Z2021 RXD CTS CNDS 2 CNDS 8 TXD CNDS 3 RTS CNDS 7 CNDS 5 CNRS 5 CNRS 1 CNRS 8 5V CNRS GND 1 3 5 7 CTS GND FG RTS 2 4 6 8 TXD RXD 5V CNDS 1 3 5 7 TXD GND RTS RXD 2 4 6 8 CTS 9 N C N C N C N C 7 Multifunction interface PWB circuit 6 19 FO 1850TH ...

Page 85: ...Multifunction interface PWB parts layout Top side 6 20 Multifunction interface PWB parts layout Bottom side FO 1850TH ...

Page 86: ...DCN IMAGE SIGNAL Document ejected Recording papor ejected Receive side G3 communication CED Transmitter side Document inserted into document sensor during standby To recording position DCS Cut line printed IMAGE SIGNAL Cut line printed IMAGE SIGNAL IMAGE SIGNAL Next page insert command 1st page Document inserted to the reading position DCS FO 1850TH 7 1 ...

Page 87: ...ed STOP key WAIT A MOMENT display START NO YES STAND BY 3 sec NO MEMORY CLEAR display NO YES STAND BY 3 sec NO NO START key COPY key STOP key NO Memory clear STAND BY 2 1 MEMORY CLEARED display Memory clear PROCESS CHECK MODE MEMORY CLEARED display YES FO 1850TH 7 2 ...

Page 88: ... CNRBN2 1 AF 4 Q C N W 4 5 7 8 S C Z Z CABLE CNCVR2 1 AF 5 Q C N W 4 6 1 0 S C Z Z CABLE CNMT2 1 AL 6 Q C N W 4 5 8 3 S C Z Z CABLE CNPN2 1 AQ 7 Q C N W 4 6 1 1 S C Z Z CABLE CNCCD2 1 AL 8 Q C N W 4 5 7 7 S C Z Z CABLE CNSP3 1 AF 9 Q C N C M 7 0 1 4 S C 0 H CONNECTOR CNMT1 CNMT2 2 AB 10 Q C N C M 7 0 1 4 S C 0 B CONNECTOR CNRBN1 CNRBN2 2 AD 11 Q C N C M 2 4 0 1 S C 0 B CONNECTOR CNSP2 CNSP3 2 AA 1...

Page 89: ...unit PWB to be tested Actual operation with mechanical unit Recording paper sensor ON OFF operation OFF Photo interrupter is interrupted Hook SW ON OFF operation ON HOOK PWB sensor check Recording paper sensor OFF ON OFF operation Hook SW ON HOOK ON OFF operation Recording paper ON No recording paper OFF CNLIUA CHECK TEL LIU PWB Connector Cable CNPN2 QCNW 4583SCZZ CNTH2 QCNW 4567SCZZ CNCCD2 QCNW 4...

Page 90: ... document hopper and execute the CCD Adjust Mode diagnostic Press the START key to enable local copy until approximately one fifth of the page has been copied then press the STOP key to enable the CPU wait state 9Fully open the upper cabinet and remove the recording paper tray FInstall the scan adjustment jig to the optical system unit so that the pattern surface is on the lower side GFit the pins...

Page 91: ... input Chip enable Write enable Write enable Data I O Power source Ground No connection 1 2 3 4 5 6 7 8 9 10 11 12 13 14 A14 A12 A7 A6 A5 A4 A3 A2 A1 A0 DQ1 DQ2 DQ3 GND 28 27 26 25 24 23 22 21 20 19 18 17 DQ5 DQ6 DQ7 DQ8 S1 A10 S2 A11 A9 A8 A13 W VCC TOP VIEW 16 15 DQ4 28P2W C CFP Pin name 1 2 3 4 8 7 6 5 OUTPUT 1 INVERTING INPUT 1 NON INVERTING INPUT 1 VCC VCC OUTPUT 2 INVERTING INPUT 2 NON INVER...

Page 92: ... IN OUT OUT IN SWB IN OUT OUT IN SWC 14 13 12 11 10 9 1 2 3 4 5 6 1A 1Y 2A 2Y 3A 3Y VCC 6A 6Y 5A 5Y 4A 8 4Y 7 GND 4 3 1 2 Lot No 47K 47K OSC T Q R DELEY 3 VCC 1 VOUT 4 GND 2 MANUAL RESET 5 9 1 C 1 2 3 4 5 6 7 8 9 10 11 12 13 VPP A16 A15 A12 A7 A6 A5 A4 A3 A2 A1 A0 DQ1 32 31 30 29 28 27 26 25 24 23 22 21 20 VCC PGM NC A14 A13 A8 A9 A11 G A10 E DQ8 DQ7 14 15 16 DQ2 DQ3 GND DQ6 DQ5 DQ4 19 18 17 TOP V...

Page 93: ...106 NC 107 VSS 108 REGDMA VDD CS1N MCSN ROMCSN TONE PM0 GPO0 PM1 GPO1 PM2 GPO2 PM3 GPO3 VDRAM RASN CAS0N CAS1N CAS2N DWRN 109 144 143 142 141 140 139 138 137 136 135 134 133 132 131 130 129 128 127 126 125 124 123 122 121 120 119 118 117 116 115 114 113 112 111 110 TXDAT TMODE NC DGNDA1 TRESET TSTROBE RMODE RXCONT DGND1 WRITE D0 D1 D2 D3 D4 D5 RXD TXD GPI1 DGND5 RTS GPI0 EN85 DCLK RLSD NC SR4OUT E...

Page 94: ...SH AMP IN OUT CONTROL LIST DECODER CLOCK CIRCUIT 4 DATA OUT BUFFER 4 DATA IN BUFFER DATA IN OUT STROBE INPUT ENABLE INPUT ADDRESS INPUT DATA IN OUT ENTRY INPUT STROBE INPUT ADRESS INPUT 6 11 10 9 13 14 15 12 Inhibit Controls 15 Common Out In 1 Switches In Out 5 A B C X0 X1 X2 X3 X4 X5 X VDD Pin 16 VSS Pin 8 VEE Pin7 2 X6 4 X7 IC9 VHiHEF4051BT1 HEF4051 D2 D1 1 28 D3 2 RXDATA 3 GND 4 D4 5 D5 6 D6 7 ...

Page 95: ...A14 A15 A16 37 38 39 40 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 A17 GND NC NC A10 DQ7 DQ6 DQ5 DQ4 VCC VCC NC DQ3 DQ2 DQ1 DQ0 OE GND CE A0 LH28F004SUT Z1 40 LEAD TSOP 10mm x 20mm TOP VIEW 1 2 3 4 CD FC2 FC1 VIN 8 7 6 5 VO1 VCC GND VO2 TOP VIEW 1 A D 2 3 4 14 13 12 11 5 6 7 10 9 8 B C D OUTPUT D INPUT D INPUT GND C INPUT C INPUT C OUTPUT B OUTPUT B INPUT B INPUT V A INPUT A INPUT A OUTPUT FO...

Page 96: ...M E M O FO 1850TH 8 9 ...

Page 97: ...king material Accessories 9 Control PWB unit 10 TEL Liu PWB unit 11 Power supply PWB unit 12 CCD PWB unit 13 Joint PWB unit 14 Multifunction interface PWB unit 50 Hardware parts Index CONTENTS Because parts marked with is indispensable for the machine safety maintenance and operation it must be replaced with the parts specific to the product specification ...

Page 98: ...2 B5 88 99 65 48 B5 95 91 B6 B6 73 B15 B15 B15 91 100 B2 B2 85 5 6 4 92 B5 B5 B5 B5 B5 14 22 91 9 97 99 9 93 89 91 95 60 94 89 93 96 B11 110 99 100 91 26 13 17 21 79 3 8 B5 B14 B14 91 95 23 95 80 80 2 1 103 101 99 B11 101 106 106 B10 DOCUMENT GUIDE UPPER CCD UNIT PAPER CASSETTE UNIT DRIVE UNIT HEAD UNIT 111 76 FO 1850TH 1 ...

Page 99: ...r 54 NROLR2328XHZZ AP C PF roller 55 CROLR2329XH01 AR C PU roller ass y 56 NROLR2361XHZZ AV C Platen roller 57 CROLR2331XH01 AR C Paper out roller ass y 58 NROLR2333XHZZ AP C Feed roller 60 NSFTZ2258XHZZ AG C Pinch roller shaft 63 PCOVO2110XHZZ AF C Drive unit cover 65 PFLT 2009XHZZ AD C Back tension felt 68 PGIDM2447XHSC AV C Document guide lower 71 PGIDM2449XHSC AF C Hopper guide left 72 PGIDM24...

Page 100: ...2 Upper cabinet 3 Document guide upper 14 4 5 6 7 9 8 3 2 15 1 B12 B12 17 18 2 8 1 7 3 6 14 19 10 11 17 18 15 16 12 13 9 4 FO 1850TH 3 ...

Page 101: ...cument guide upper NO PARTS CODE PRICE RANK NEW MARK PART RANK DESCRIPTION 1 LPLTG2707XHZZ AE C Separation rubber 2 LPLTP2790XHZZ AD C Separate plate 3 MLEVP2214XHZZ AC C Document sensor lever 4 MLEVP2215XHZZ AF C Panel lock lever 6 MSPRD2814XHZZ AC C Document sensor lever spring 7 MSPRP2918XHZZ AE C Feed spring 8 MSPRT2813XHZZ AC C Separate spring 9 MSPRT2815XHFJ AC C Panel lock lever spring 10 N...

Page 102: ...4 Optical unit 5 Drive unit 9 4 12 2 3 5 B1 B1 1 7 13 13 8 6 11 18 14 14 B5 B5 23 7 5 18 19 21 22 15 4 15 10 12 3 15 2 15 16 13 17 15 1 14 FO 1850TH 5 ...

Page 103: ...ptical unit 5 Drive unit NO PARTS CODE PRICE RANK NEW MARK PART RANK DESCRIPTION 1 CLEVP2221XH01 AN C Planet lever 1 ass y 2 CLEVP2222XH01 AN C Planet lever 2 ass y 3 CLEVP2223XH01 AN C Planet lever 3 ass y 4 CLEVP2224XH01 AN C Planet lever 4 ass y 5 LFRM 2166XHZA AS C Drive plate 7 LPLTM2795XHFW AE C Motor heat sink 10 MCAMP2021XHZA AF N C Cam A 12 MSPRD2827XHFJ AC C Cam hold spring 13 NGERH2276X...

Page 104: ...Head unit 7 Paper cassette unit 9 9 7 7 11 14 19 17 B15 12 26 26 25 B8 B8 13 2 6 8 18 15 10 17 4 5 1 23 29 B5 28 25 20 16 21 22 1 3 5 6 6 8 4 9 10 7 7 10 11 1 2mm Applying Standard 9 11 12 12 FO 1850TH 7 ...

Page 105: ... cable 18 QSW F2229XHZZ AG B Ink switch 19 RHEDZ2049SC03 BM B Thermal head unit 20 MSPRC2876XHFJ AD C Head spring B 21 LBNDJ2006XHZZ AA C Band 22 RCORF2064XHZZ AF B Core 23 LFRM 2165XHZZ AS C Head frame 25 MSPRC2896XHFJ AD N C Head spring F 26 MSPRC2901XHFJ AD N C Head spring K 28 LPLTM2870XHZZ AN N C Film guide 29 MSPRT2903XHZZ AD N C Head support spring 7 Paper cassette unit NO PARTS CODE PRICE ...

Page 106: ...Operation manual 29 TLABH3911XHZA AD D Rapid key labels 32 SPAKP4381XHZZ AG D Vinyl cover 35 CFLPC2027SC01 AK N D Floppy disks 36 TINST3731XHZZ AR N D Multifunction interface operation manual 37 QCNW 4320SCZZ BB C RS232C cable 38 QCNW 4616XHZA AN N C Multifunction interface cable 40 DCEKI312BXH01 BB N E Multifunction interface PWB unit 42 GBOX 2011XHZZ AS N C Multifunction interface box 43 GBOX 20...

Page 107: ... 10µF C127 39 VCCCTV1HH150J AA C Capacitor 50WV 15PF C130 40 VCKYTV1HB102K AA C Capacitor 50WV1000PF C131 41 VCKYTV1EF104Z AA C Capacitor 25WV 0 1µF C132 42 VCKYTV1EF104Z AA C Capacitor 25WV 0 1µF C133 43 VCKYTV1EF104Z AA C Capacitor 25WV 0 1µF C134 44 VCKYTV1CF105Z AB C Capacitor 16WV 1 0µF C135 45 VCCCTV1HH150J AA C Capacitor 50WV 15PF C136 46 VCKYTV1EF104Z AA C Capacitor 25WV 0 1µF C137 47 VCCC...

Page 108: ...Connector 40pin CNOPT 116 QJAKZ2062SCZZ AG C Jack CSB 290A CNPC 117 QCNCM7014SC1F AD C Connector 16pin CNPN 118 QCNCW2500SC0H AF C Connector 8pin CNPW 119 QCNCM7014SC0B AD C Connector 2pin CNRBN 120 QCNCM7014SC1D AC C Connector 14pin CNTH 121 VHD1SS355 1 AB B Diode 1SS355 D100 122 VHDDAP202U 1 AB B Diode DAP202U D101 123 VHD1SS355 1 AB B Diode 1SS355 D102 124 VHD1SS355 1 AB B Diode 1SS355 D103 125...

Page 109: ...D271J AA C Resistor 1 10W 270Ω 5 R128 202 VRS TS2AD332J AA C Resistor 1 10W 3 3KΩ 5 R129 203 VRS TS2AD000J AA C Resistor 1 10W 0Ω 5 R131 204 VRS TS2AD221J AA C Resistor 1 10W 220Ω 5 R132 205 VRS TS2AD221J AA C Resistor 1 10W 220Ω 5 R133 206 VRS TS2AD221J AA C Resistor 1 10W 220Ω 5 R134 207 VRS TS2AD221J AA C Resistor 1 10W 220Ω 5 R135 208 VRS TS2AD221J AA C Resistor 1 10W 220Ω 5 R136 209 VRS TS2AD...

Page 110: ... AA C Resistor 1 10W 150Ω 5 R209 280 VRS TS2AD102J AA C Resistor 1 10W 1 0KΩ 5 R210 281 VRS TS2AD103J AA C Resistor 1 10W 10KΩ 5 R211 282 VRS TS2AD000J AA C Resistor 1 10W 0Ω 5 R212 283 VRS TS2AD151J AA C Resistor 1 10W 150Ω 5 R214 284 VRS TS2AD000J AA C Resistor 1 10W 0Ω 5 R215 285 VRS TS2AD000J AA C Resistor 1 10W 0Ω 5 R217 286 VRS TS2AD271J AA C Resistor 1 10W 270Ω 5 R218 287 VRS TS2AD103J AA C...

Page 111: ...S2AD203J AA C Resistor 1 10W 20KΩ 5 R300 360 VRS TS2AD000J AA C Resistor 1 10W 0Ω 5 R303 361 VRS TS2AD000J AA C Resistor 1 10W 0Ω 5 R304 362 VRS TS2AD102J AA C Resistor 1 10W 1 0KΩ 5 R306 363 VRS TS2AD103J AA C Resistor 1 10W 10KΩ 5 R308 364 VRS TS2AD303J AA C Resistor 1 10W 30KΩ 5 R309 365 VRS TS2AD473J AA C Resistor 1 10W 47KΩ 5 R310 366 VRS TS2AD203J AA C Resistor 1 10W 20KΩ 5 R311 367 VRS TS2A...

Page 112: ...C4 6 VCKYPU1HB331K AA C Capacitor 50WV 330pF C5 7 VCKYPU1HF223Z AA C Capacitor 50WV 0 022µF C6 8 VCEAGA1EW476M AA C Capacitor 25WV 47µF C7 9 VCKYPU1HF223Z AA C Capacitor 50WV 0 022µF C8 10 VCEAGA1HW105M AB C Capacitor 50WV 1 0µF C9 11 VCEAGA1HW475M AA C Capacitor 50WV 4 7µF C10 12 VCKYPU1HB102K AA C Capacitor 50WV1000PF C11 13 VCEAGA1HW334M AC C Capacitor 50WV 0 33µF C12 14 VCEAGA1HW475M AA C Capa...

Page 113: ...71 VRD HT2EY621J AA C Resistor 1 4W 620Ω 5 R12 72 VRD HT2EY103J AA C Resistor 1 4W 10KΩ 5 R13 73 VRD HT2EY103J AA C Resistor 1 4W 10KΩ 5 R14 74 VRD HT2EY103J AA C Resistor 1 4W 10KΩ 5 R15 75 VRD HT2EY103J AA C Resistor 1 4W 10KΩ 5 R16 76 VRD HT2EY103J AA C Resistor 1 4W 10KΩ 5 R17 77 VRD HT2EY363J AA C Resistor 1 4W 36KΩ 5 R18 78 VRD HT2EY153J AA C Resistor 1 4W 15KΩ 5 R19 79 VRD HT2EY102J AA C Re...

Page 114: ...W4020 5001ATEZS MT1 35 0CBLRZ6252ZP AP B Heat sink W4020 5002AT TC MT2 36 0CBUDC0163BB AH B Photocoupler PC123FY8 PC1 37 0CBUAG0139AZ AQ B FET 2SK2483 Q1 38 0CBUAC0027AZ AE B Transistor 2SC2655 Q2 39 0CBUAC0023AZ AD B Transistor 2SC2185 Q3 40 0CBUAC0023AZ AD B Transistor 2SC1815 Q4 41 0CBUEFC564BA AC C Resistor SFR25H560K 52 R1 42 0CBUEFER27CH AE C Resistor SPR 2 R27J R2 43 0CBUEEB153CT AC C Resis...

Page 115: ...r FL1 10 VRD RC2EY000J AA C Resistor 1 4W 0Ω 5 FL2 11 VRD RC2EY000J AA C Resistor 1 4W 0Ω 5 FL3 12 RFILZ2021SCZZ AK N C Filter FL4 13 RFILZ2021SCZZ AK N C Filter FL5 14 VRD RC2EY000J AA C Resistor 1 4W 0Ω 5 FL6 15 RFILZ2021SCZZ AK N C Filter FL7 16 VRD RC2EY000J AA C Resistor 1 4W 0Ω 5 FL8 17 VHIADM202JN 1 AR N B IC ADM202JN IC1 18 VRD RC2EY000J AA C Resistor 1 4W 0Ω 5 R1 19 VRD RC2EY000J AA C Res...

Page 116: ... C NGERH2313XHZZ 5 18 AD C NGERH2315XHZZ 8 10 AE C NGERH2317XHZZ 3 11 AC C NGERH2356XHZZ 3 10 AC C NGERP2318XHZZ 1 51 AD C NROLP2332XHZZ 1 52 AD C 6 9 AD C NROLP2334XHZZ 1 89 AE C 3 12 AE C NROLR2327XHZZ 3 16 AQ C NROLR2328XHZZ 1 54 AP C NROLR2333XHZZ 1 58 AP C NROLR2361XHZZ 1 56 AV C NROLS2351XHZZ 1 94 AV C NSFTZ2257XHZZ 3 13 AG C NSFTZ2258XHZZ 1 60 AG C P PCASA2033XHSB 7 1 AN C PCOVA2108XHSA 7 3...

Page 117: ...9 17 AB C 9 18 AB C 9 30 AB C 9 35 AB C 9 44 AB C 9 56 AB C 9 62 AB C 9 68 AB C 9 76 AB C 9 89 AB C 9 104 AB C 9 109 AB C VCKYTV1EB104K 9 71 AA C 9 83 AA C 9 98 AA C 9 101 AA C VCKYTV1EF104Z 9 16 AA C 9 26 AA C 9 27 AA C 9 34 AA C 9 36 AA C 9 37 AA C 9 38 AA C 9 41 AA C 9 42 AA C 9 43 AA C 9 46 AA C 9 48 AA C 9 50 AA C 9 51 AA C 9 53 AA C 9 54 AA C 9 55 AA C 9 58 AA C 9 59 AA C 9 60 AA C 9 63 AA C...

Page 118: ... 9 331 AA C 9 333 AA C 9 343 AA C 9 349 AA C 9 363 AA C 9 378 AA C VRS TS2AD104J 9 277 AA C 9 303 AA C 9 324 AA C VRS TS2AD105J 9 261 AA C 9 338 AA C VRS TS2AD106J 9 267 AA C VRS TS2AD151J 9 191 AA C 9 196 AA C 9 199 AA C 9 278 AA C 9 279 AA C 9 283 AA C 9 298 AA C 9 299 AA C 9 300 AA C 9 301 AA C 9 308 AA C 9 309 AA C 9 310 AA C 9 311 AA C 9 351 AA C 9 377 AA C VRS TS2AD153J 9 289 AA C 9 335 AA C...

Page 119: ... 0CBPJCTY1251 11 30 AK A 11 31 AK A 0CBPKZ0194ZZ 11 17 AC C 0CBPZZ0739ZZ 11 20 AE C 0CBUAC0023AZ 11 39 AD B 11 40 AD B 0CBUAC0027AZ 11 38 AE B 0CBUAG0139AZ 11 37 AQ B 0CBUBA0004AZ 11 21 AB B 11 23 AB B 0CBUBB0224AZ 11 24 AK B 0CBUBC0215DK 11 26 AD B PARTS CODE NO PRICE RANK NEW MARK PART RANK 0CBUBC0215DK 11 27 AD B 11 28 AD B 11 29 AD B 0CBUBC0248AZ 11 22 AD B 0CBUBC0302AZ 11 25 AE B 0CBUBDAE300D...

Page 120: ...al system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher SHARP CORPORATION Communication Systems Group Quality Reliability Control Center Higashihiroshima Hiroshima 739 01 Japan Printed in Japan 9709 38NS IS T FO 1850TH ...

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