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Sharp FO-780A Service Manual
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Sharp FO-780A Service Manual

Sharp FO-780A Service Manual

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[1] Specifications ............................................ 1-1
[2] Operation panel ......................................... 1-2
[3] Transmittable documents .......................... 1-3
[4] Installation ................................................. 1-4
[5] Quick reference guide ............................... 1-9
[1] Adjustments ............................................... 2-1
[3] Troubleshooting ...................................... 2-17
[4] Error code table ....................................... 2-18
[1] General description .................................. 3-1
[2] Disassembly and assembly
procedures ....................................... 3-3
[1] Block diagram ............................................4-1
[2] Wiring diagram .......................................... 4-2
[3] Point-to-point diagram ............................... 4-3
Parts marked with "
" is important for maintaining the safety of the set. Be sure to replace these parts with specified ones for
maintaining the safety and performance of the set.
SERVICE MANUAL
CONTENTS
SHARP CORPORATION
1 - 1
FACSIMILE
MODEL
[1] Circuit description ...................................... 5-1
power supply PWB ............................ 5-11
[5] Circuit description of CIS unit ................... 5-11
[1] Control PWB circuit ................................... 6-1
[2] TEL/LIU PWB circuit ................................. 6-9
[3] Power supply PWB circuit ....................... 6-11
[4] Operation panel PWB circuit ................... 6-13
[1] Protocol ..................................................... 7-1
[2] Power on sequence .................................. 7-2
[1] Service tools .............................................. 8-1
[2] IC signal name .......................................... 8-4
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
FO-780A
No. 00ZFO780A/SME
UX-300
FO-780

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  • Page 1: Table Of Contents

    FO-780A SERVICE MANUAL No. 00ZFO780A/SME FACSIMILE UX-300 FO-780 MODEL CONTENTS CHAPTER 1. GENERAL DESCRIPTION CHAPTER 5. CIRCUIT DESCRIPTION [1] Specifications ..........1-1 [1] Circuit description ........5-1 [2] Operation panel ......... 1-2 [2] Circuit description of control PWB ....5-2 [3] Transmittable documents ......1-3 [3] Circuit description of TEL/LIU PWB ..
  • Page 2 FO-780A CAUTION FOR BATTERY REPLACEMENT (Danish) ADVARSEL ! Lithiumbatteri-Eksplosionsfare ved fejlagtig håndtering. Udskiftning må kun ske med batteri af samme fabrikat og type. Levér det brugte batteri tilbage til leverandoren. (English) Caution ! Danger of explosion if battery is incorrectly replaced.

  • Page 3: Chapter 1. General Description

    Length  140 to 600 mm As a part of our policy of continuous improvement, SHARP reserves the right to make design and specification changes for procduct improvement without prior notice. The performance specifications figures indicated are nominal values of production units. There may be some deviation from these values in individual units.

  • Page 4: Operation Panel

    FO-780A [2] Operation panel TEL FAX A.M. TEL/FAX SPEED RECEPTION VOLUME DIAL MODE DOWN RESOLUTION FUNCTION REDIAL HOLD/ PQRS WXYZ COPY/HELP SEARCH STOP SPEAKER 08/POLL START/MEMORY 13 14 10. HOLD/SEARCH key 1. SPEED DIAL key Press this key to search for an automatic dialing number, Press this key to dial a 2-digit Speed Dial number.

  • Page 5: Transmittable Documents

    FO-780A 5. Automatic Document Feeder Capacity [3] Transmittable documents Number of pages that can be placed into the feeder at anytime is as 1. Document Sizes follows: Normal size: max. ADF 10 sheets width 148 – 216 mm Normal size...

  • Page 6: Installation

    30 A4 pages. • When replacing the film, use a roll of Sharp FO-3CR imaging film. One roll can print about 95 A4 pages. Direction of insertion Note: If there is paper in the paper tray, pull the paper release plate forward and remove the paper before loading the imaging film.
  • Page 7 Display shows: INITIALIZE FILM START/MEMORY When to replace the imaging film. Replace the imaging film when the display shows: FILM END Use the following imaging film, which is available from your dealer or retailer: Sharp FO-3CR Imaging Film 1 – 5...
  • Page 8 FO-780A 3. Assembly and connections Attach the original document support. Note: The original document support has a top side and a bottom Plug the power Lead into a 230-240 V, 50 Hz, earthed (3-prong) AC side. If you cannot insert the tabs on the support into the holes, outlet.
  • Page 9 FO-780A 5. Clearing a jammed document Insert the stack of paper into the tray, print side down. • If paper remains in the tray, take it out and combine it into a single If the original document doesn’t feed properly during transmission or stack with the new paper before adding the new paper.
  • Page 10 FO-780A 6. Clearing jammed printing paper Close the print compartment cover (press down on both sides to make sure it clicks into place), and then close the operation panel. Pull the paper release plate forward and remove the paper. Clik! Reinsert the paper in the paper tray and push the paper release plate back down.

  • Page 11: Quick Reference Guide

    FO-780A SETTING THE DATE AND TIME [5] Quick reference guide Note: Imaging film and paper must be loaded to perform the following operation. FUNCTION INSTALLATION Press: Display shows: DATE & TIME SET Press the START/MEMORY key: START/MEMORY T E L Enter two digits for the Day (01 through 31).

  • Page 12: Option Imaging Film Specifications

              FO-780A [6] Option imaging film specifications (FO-3CR) 1. Structure This article is composed of polyester film coated with heat-resistant layer, matt layer and hot melt ink layer, leader film and paper core. Ink film specification is "DNP standard ink film HC".

  • Page 13: Chapter 2. Adjustments

    FO-780A (1) FU100 (ICP-S07) is installed in order to protect IC’s from an over- CHAPTER 2. ADJUSTMENTS current generated in the motor drive circuit. If FU100 is open, replace it with a new one. [1] Adjustments 3. Settings (1) Dial mode selector General DIAL mode (Soft Switch No.

  • Page 14: Diagnostics And Service Soft Switch

    FO-780A [2] Diagnostics and service soft switch 1. Operating procedure (1) Entering the diagnostic mode Press FUNC → 9 → → 8 → # → 7 , and the following display will appear. ROM Ver. FMU0 After 2 sec: DIAG MODE FMU0 Then press the START key.
  • Page 15 FO-780A 3. Diagnostic items description 3. 6. Signal send mode 3. 1. Soft switch mode This mode is used to send various signals to the circuit during FAX com- munication. Every push of START key sends a signal in the following Used to change the soft switch settings.
  • Page 16 FO-780A 3. 12. Entry data receive In this mode, the registered data sent from the other machine is receiv- ed and the received data is registered in the machine. When this mode is used for receiving, the other machine must be in the entry data send mode.
  • Page 17 FO-780A 5. Soft switch description • Soft switch Switch setting and function Initial DATA ITEM Remarks setting Protect from echo Forced 4800 BPS reception Footer print Length limitation of copy/send/receive No limit Copy/send: 1m Receive: 1.5m CSI transmission No transmitted...
  • Page 18 Disconnect the line when DIS is received in RX mode Equalizer freeze control (MODEM) Equalizer freeze control 7200 BPS only CNG transmission in manual TX mode Initial compression scheme for sharp fax in MR mode H2 mode TX mode Reserved...
  • Page 19 FO-780A Switch setting and function Initial DATA ITEM Remarks setting DTMF signal transmission level (High) Binary input No. = 16 8 4 2 1 1 2 3 4 5 1 0 0 1 0 Reserved Reserved Reserved Reading slice (Binary)
  • Page 20 FO-780A Switch setting and function Initial DATA ITEM Remarks setting Pseudo ringer sound volume Binary input No. = Reserved Reserved Reserved Reserved DTMF detection time 50ms 80ms 100ms 120ms No. 1 No. 2 Protection of remote reception (5 ) detect Yes...
  • Page 21 FO-780A Switch setting and function Initial DATA ITEM Remarks setting Busy tone detection ON/OFF time (Lower 350ms 200ms duration) Busy tone detection ON/OFF time (Upper 650ms 900ms duration) Reserved Busy tone continuous sound detect time Reserved Busy tone detect continuation sound detect (during ICM: for internal A.M.)
  • Page 22 FO-780A Switch setting and function Initial DATA ITEM Remarks setting Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Activity report print Automatic printout No printout when memory full...
  • Page 23 FO-780A Switch setting and function Initial DATA ITEM Remarks setting Entering DIAG mode by pressing SPEED Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Cut off mode (COPY mode) OPTION A4 paper enable Enable Disable LEGAL & LETTER paper enable...
  • Page 24 FO-780A • Soft switch function description SW-A2 No. 7 Communication error treatment in RTN sending mode (Reception) SW-A1 No. 1 Protect from echo Used to determine communication error treatment when RTN is sent by occurrence of a received image error in G3 reception. When it is set to Used to protect from echo in reception.
  • Page 25 When set to "0", if the other fax is Sharp model, fax transmit the document 00000: 0dBm by H2 mode. When set to "1", even if the other fax is Sharp model, fax transmit the document by MR mode. ↓...
  • Page 26 FO-780A SW-C1 No. 7 MTF correction in half tone mode SW-E1 No.5 CNG detect time at TEL/FAX mode This allows selection of MTF correction (dimness correction) in the half The switch which sets the time from the start of CNG detection to the tone mode.
  • Page 27 FO-780A SW-G2 No. 1 ~ No. 8 Reserved SW-I3 No. 1 ~ No. 8 Reserved Set to "0". Set to "0". SW-G3 No. 1, No. 2 OGM detect timer SW-I4 No. 1 ~ No. 8 Reserved This is used to change the OGM detection time for answering machine Set to "0".
  • Page 28 FO-780A SW-K1 No. 2 ~ No. 8 Reserved Set to "0". SW-L1 No. 1 ~ No. 4 Reserved Set to "0". SW-L1 No. 5 Cut off mode (COPY mode) Whether the excessive part is printed on the next recording paper or discarded is selected to copy a document which is longer than the re- cording paper.

  • Page 29: Troubleshooting

    FO-780A [3] Troubleshooting Refer to the following actions to troubleshoot any of problems mentioned • Apply line equalization SOFT SWITCH A5-1, 2. in 1-4. May be used in case [1] [2] [3] [4]. [1] A communication error occurs. • Slow down the transmission speed SOFT SWITCH A2-1, 2, 3, [2] Image distortion produced.

  • Page 30: Error Code Table

    FO-780A [4] Error code table 1. Communication error code table G3 Transmission Code Final received signal Error Condition (Receiver side) Incomplete signal frame Cannot recognize bit stream after flag NSF, DIS Cannot recognize DCS signal by echo etc. Cannot recognize NSS signal (FIF code etc)

  • Page 31: Chapter 3. Mechanism Blocks

    FO-780A 3-2. Automatic document feed CHAPTER 3. MECHANISM BLOCKS 1) Use of the paper feed roller and separation rubber plate ensures er- ror-free transport and separation of documents. The plate spring [1] General description presses the document to the paper feed roller to assure smooth feed- ing of the document.
  • Page 32 FO-780A 5. Recording block Separation rubber Last page of document (1) General view Back of document RP release plate First page of document Platen roller PO roller PU roller Paper feed spring Pinch roller Paper feed roller Rotation PO gude plate Fig.
  • Page 33 FO-780A [2] Disassembly and assembly procedures • This chapter mainly describes the disassembly procedures. For the assembly procedures, reverse the disassembly procedures. • Easy and simple disassembly/assembly procedures of some parts and units are omitted. For disassembly and assembly of such parts and units, refer to the Parts List.
  • Page 34 FO-780A PWB’s, drive unit, AC cord ass’y and Parts list (Fig. 2) speaker Part name Q’ty Part name Q’ty Mechanism unit Screw (4×6) Connector AC cord ass’y Cable Screw (3×10) Control PWB unit Drive unit TEL/Liu PWB unit Speaker hold spring...
  • Page 35 FO-780A Paper roller etc. and sensor lever Parts list (Fig. 3) Part name Q’ty Part name Q’ty Mechanism unit Platen lock bracket Sheet A Platen lock lever, left P-IN sensor lever B Platen lock lever, right PE sensor lever B...
  • Page 36 FO-780A Drive frame Parts list (Fig. 4) Part name Q’ty Part name Q’ty Part name Q’ty Screw (3×10) Idler gear, 52Z Reduction gear, 4 Motor Reduction gear, 3 Planet gear lever C ass’y Motor plate Reduction gear, 2 Planet gear lever B ass’y...
  • Page 37 FO-780A Sub frame unit, original paper guide, Parts list (Fig. 5) operation panel unit and CIS unit Part name Q’ty Part name Q’ty Mechanism unit CIS unit Hook switch lever CIS spring Sub frame unit Cover switch spring Screw (3×10)
  • Page 38 FO-780A Upper cabinet and document guide Parts list (Fig. 6) upper unit Part name Q’ty Part name Q’ty Screw (3×8) Operation panel PWB Document guide upper Direct key unit Mode key Operation panel unit Stop key Screw (2×6) Start key...
  • Page 39 FO-780A Document guide upper Parts list (Fig. 7) Part name Q’ty Part name Q’ty Back roller gear Separate spring Transfer bearing Separator plate Back roller Paper feed spring Pinch roller spring Separator rubber Pinch roller Guide roller Pinch roller shaft...
  • Page 40 FO-780A Sub frame, top cover unit RP hopper unit Parts list (Fig. 8) Part name Q’ty Part name Q’ty Part name Q’ty Top cover unit PO pinch roller spring Platen bearing, right Screw (3×10) PO pinch roller Platen roller Sub frame unit...
  • Page 41 FO-780A Top cover and RP hopper Parts list (Fig. 9) Part name Q’ty Part name Q’ty Release knob RP release plate Screw Rotation plate Pinion gear RP pad Hopper spring C-spring Hopper guide, right Separate plate Hopper guide, left Separate plate sheet...
  • Page 42 FO-780A Parts list (Fig. 10) Thermal head Part name Q’ty Part name Q’ty Mechanism unit Thermal head ass’y Screw (3×10) Head spring E Head cover Head spring B Screw (3×10) Head spring F Head earth cable Head cushion Head unit...
  • Page 43 FO-780A Wire treatment Parts list (Fig. 11) Part name Q’ty Screw (3×10) Screw (4×6) Core (F2064) Core (F2063) Screw (3×5) Core (F2103) Panel cable The Head cable and The CIS cable and Head earth cable pass to the core 2 times Speaker cable pass to the core 2 times.

  • Page 44: Chapter 4. Diagrams [1] Block Diagram

    FO-780A CHAPTER 4. DIAGRAMS [1] Block diagram 4 – 1...
  • Page 45 HANDSET CAM SW TX/RX MOTOR MJTEL TEL LINE MJ1/2 EXTERNAL LINE CNMT CNCSW TEL/LIU THERMAL HEAD PWB UNIT CNLIUA CNLIUA CNTH CNLIUB CNLIUB CONTACT IMAGE SENSOR CONTROL PWB UNIT CNCIS CNPW LCD UNIT CNPN CNSP POWER SUPPLY CNLCD PWB UNIT CNPN OPERATION AC CORD...

  • Page 46: Point-To-Point Diagram

    FO-780A [3] Point- to-point diagram CNMT TPBD TPBD CNLIUA CNLIUA TPAD TPAD TELOUT TELOUT TPBD TPBD TELIN TELIN TX/RX TPAD TPAD TELMUTE TELMUTE MOTOR CI/CIDIN1 CI/CIDIN1 CIDIN2/HS CIDIN2/HS TEL/LIU CNTH RXIN RXIN TXOUT TXOUT STRB1 STRB1 STRB2 STRB2 N.C. N.C.

  • Page 47: Chapter 5. Circuit Description

    FO-780A 3. Operational description CHAPTER 5. CIRCUIT DESCRIPTION Operational descriptions are given below: • [1] Circuit description Transmission operation When a document is loaded in standby mode, the state of the docu- ment sensor is sensed via the 1 chip fax engine (FC200M). If the 1.

  • Page 48: Circuit Description Of Control Pwb

    FO-780A 3) 27C2000 (IC4): pin-32 DIP (ROM) [2] Circuit description of control PWB EPROM of 2Mbit equipped with software for the main CPU. 1. General description 4) W24258S-70LE (IC3): pin-28 SOP (SRAM) Line memory for the main CPU system RAM area and coding/decoding Fig.
  • Page 49 FO-780A FC200M (IC9) Terminal descriptions Input Output Pin Description Pin Name Pin No. Type Type (Note: Active low signals have an "n" pin name ending.) CPU Control Interface − MIRQn Modem interrupt, active low. (Hysteresis In, Internal Pullup.) − SYSCLK System clock.
  • Page 50 FO-780A FC200M (IC9) Terminal descriptions Input Output Pin Name Pin No. Pin Description Type Type Operator Panel Interface OPI[2]/GPIO[23]/ (Pullup, Hysteresis In) Keyboard return [2] or GPIO[23] or SSCLK1 SSCLK1 (for SSIF1) OPI[3]/GPIO[24] (Pullup, Hysteresis In) Keyboard return [3] or GPIO[24] −...
  • Page 51 FO-780A (2) Panel control block The following controls are performed by the FC200M. • Operation panel key scanning • Operation panel LCD display (3) Mechanism/recording control block • Recording control block diagram (1) OPO[7:0]* TEST OPERATOR OPI[3:0]* BATRSTN PANEL, PANEL/LCD PWB...
  • Page 52 FO-780A FEATURES (4) Modem (R96DFXL-CID) block • Group 3 facsimile transmission/reception INTRODUCTION The Rockwell R96DFXL-CID MONOFAX modem is a synchronous 9600 – ITU-TS V.29, V.27 ter, T.30, V.21 Channel 2, T.4 bits per second (bps) half-duplex modem with error detection and DTMF –...
  • Page 53 FO-780A R96DFXL-CID (IC6) Hardware Interface Signals Pin No. Signal Name I/O Type Pin Signals – 100-Pin PQFP GP13 IA/OB Pin No. Signal Name I/O Type GP03 IA/OB GP11 IA/OB GP04 IA/OB GP05 IA/OB EN85 GP06 IA/OB 0VD2 GP07 IA/OB PORI...

  • Page 54: Circuit Description Of Tel/Liu Pwb

    FO-780A [3] Circuit description of TEL/LIU PWB (1) TEL/LIU block operational description 1) Block diagram TEL/LIU PWB CONTROL PWB E-RLY RCVOL RCVOL RLYCONT RCVOL2 RCVOL2 DPON DPON DPMUTE DPMUTE DPMUTE MODEM (R96DFXL-CID) TXMUTE TXMUTE VOL B SIGMUTE VOL A TXOUT...
  • Page 55 FO-780A [Control signals from output port] 2. Noise filter Signal Name Description The noise filter comprises the RF choke coil, L6, L7 and L8. Line connecting relay and DP generating relay 3. Dial pulse generation circuit H: Line make (The circuit is located...
  • Page 56 FO-780A [Signals for status recognition according to input signals] Signal Name (CNLIUA) Signal Name (CNLIUA) Signal Name Function TELOUT RXIN H:The handset is in the on-hook state. TELIN TELMUTE TXOUT L: The handset is in the off-hook state. CI/CIDIN1 Incoming call (CI) detection signal...

  • Page 57: Circuit Description Of Power Supply Pwb

    FO-780A [4] Circuit description of power supply PWB 1. Block diagram 2.5A/125V Noise Rectifying Filter AC IN Smoothing Switching Circuit Regulater Circuit Circuit Circuit (RCC system) +24V FUSE 4A/72V Photo Coupler Fig. 7 2-1. Noise filter circuit The overcurrent protection is performed by bringing Q1 to OFF state...

  • Page 58: Chapter 6. Circuit Schematics And Parts Layout

    FO-780A CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS LAYOUT 19.66MHz BATRST 270 x 4 VBAT C166 2200P RESET (2-1I) PWRDWN C167 22P XOUT 270 x 4 32.768kHz SYSCLK SYSCLK (3-2A) MIRQ C186 22P MIRQ +VREF R149 (3-2A) +VREF (5-1D) TSTCLK R132 –VREF...
  • Page 59 FO-780A C216 R107 6 – 2...
  • Page 60 Modem block N.M. C114 L103 R192 C191 HM601 C127 L102 HM601 C137 N.M. C124 C217 C218 R113 R155 +5VA C149 47/25 DCLK R137 DCLKI A[4~0] RLSD (1-5I) R230 ADOUT ADIN RCVO RCVI SIGRX (6-3A) RXIN C135 AOUT R139 RAMPIN D[7~0] 47.5K (1-6I) (6-3A)
  • Page 61 FO-780A 6 – 4...
  • Page 62 FO-780A C228 100P C227 100P C226 100P C225 100P 6 – 5...
  • Page 63 FO-780A 6 – 6...
  • Page 64 FO-780A Control PWB parts layout (Top side) 6 – 7...
  • Page 65 FO-780A Control PWB parts layout (Bottom side) 6 – 8...
  • Page 66 FO-780A R105 R117 MTZJ30B C110 220P TLP521 R104 RA-501P RA-501P 6 – 9...
  • Page 67 FO-780A 6 – 10...
  • Page 68 FO-780A TEL/LIU PWB parts layout (Top side) 6 – 11...
  • Page 69 FO-780A TEL/LIU PWB parts layout (Bottom side) 6 – 12...
  • Page 70 FO-780A PC-123YS 2200/16 RD2.0ESAB 2SC1741AS 6 – 13...
  • Page 71 FO-780A Power supply PWB parts layout 6 – 14...

  • Page 72: Operation Panel Pwb Circuit

    [4] Operation panel PWB circuit CNLCD-11 1SS270 SEN0 CNPN-12 FUNC SPEED CNLCD-12 1SS270 SEN1 N.M. CNPN-13 DOWN STOP REDAIAL PLAY CNLCD-13 1SS270 SEN2 N.M. CNPN-14 RECEPTION COPY HOLD REPEAT CNLCD-14 1SS270 N.M. SEN3 CNPN-15 START RESOLUTION SPEAKER DELETE N.M. KEN 1A CNPN-4 KEN 2A CNPN-3...

  • Page 73: Chapter 7. Operation Flowchart

    FO-780A CHAPTER 7. OPERATION FLOWCHART [1] Protocol Receive side Transmitter side G3 communication (Document inserted into document sensor during standby) To recording position Document inserted to the reading position (DCS) (DCS) 1st page Next page insert command Cut line printed...

  • Page 74: Power On Sequence

    FO-780A [2] Power on sequence START CPU initialized MODEM initialized “WAIT A MOMENT” display STOP key ? “MEMORY CLEAR ?” display 3 sec ? STAND-BY START key ? COPY key ? STOP key ? “MEMORY CLEARED” display “MEMORY CLEARED” display...

  • Page 75: Chapter 8. Others

    FO-780A CHAPTER 8. OTHERS [1] Service tools 1. List PRICE PARTS CODE DESCRIPTION Q’TY RANK C P W B S 3 0 0 2 S C S 1 Extension board unit (Control PWB) C P W B F 3 0 0 3 S C S 1...
  • Page 76 FO-780A 2. Description 2-1. Relay board unit 1. Remove the TEL/LIU PWB, control PWB and Power Supply PWB from this unit, and mount the relay board unit instead. • Before connecting the wiring to the relay board unit, set the test PWB switches to the fixed position.
  • Page 77 FO-780A 3. Shading paper The white and black basis is applied to remember the shading wave- form. Be sure to perform this operation when replacing the battery or replacing the control PWB. Execute in the shading mode of DIAG mode.

  • Page 78: Ic Signal Name

    FO-780A [2] IC signal name CONTROL PWB UNIT IC5: VHiULN2003AN/ (ULN2003ANS) IC3: VHiW24258S7LE (W24258S-70LE) 1C 2C 3C 4C 5C 6C 7C COM (TOP VIEW) 16 15 14 13 12 11 10 CS2/OE Pin name Signal Address input A0~A14 CS1/CS2 Chip enable...
  • Page 79 FO-780A IC12: VHiNJM2902M-1 (NJM2902M) IC4: VHi27C20012MX (27C020) EP-ROM (TOP VIEW) Pin name Signal A OUTPUT D OUTPUT A0~A17 Address input Chip enable A-INPUT D-INPUT – + – Output enable Ground Program D+INPUT A+INPUT D0~D7 Data output (Program input) +5V power +12.5V power(*)
  • Page 80 FO-780A IC6: VHiR96CiDFC2M (R96DFXL-CID) GP03 0VD2 GP04 CTSn GP05 0VD2 GP06 GP07 GP17 0VD2 GP16 SYNCIN2(G2XCLK) 0VD2 DCLKI(IRQ2n) +5VD1 YCLK XCLK XTLO XTLI PORin 0VD2 0VD2 EN85n RTSn GP11 RAMPIN SEE NOTE 1 GP13 +5VD2 0VD1 SWGAINI ECLKIN1 SYNCIN1 READn...
  • Page 81 FO-780A IC9: VHiR96CiDFC2M (FC200M) SM0/GPO4 SM1/GPO5 SM2/GPO6 SM3/GPO7 START CLK1 CLK1N CLK2 VIDCTL1 VIDCTL0 GPIO0/VID0 GPIO1/VID1 GPIO2/VID2 GPIO3/VID3 GPIO4/VID4 GPIO5/VID5 GPIO6/VID6 GPIO7/VID7 GPIO8/VDC0 GPIO9/VDC1 GPIO10/VDC2 GPIO [11]/BE/SERINP GPIO12/CS2N/SCLK PCLK/DMAACK GPIO13/CS3N/TXD PDAT GPIO14/CS4N/RXD PLAT GPIO15/CS5N GPIO16/IRQ8 STRB3 GPIO17/IRQ5N STRB2 GPIO18/IRQ10N STRB1...
  • Page 82 FO-780A IC1: RH-IX2129SCZZ (M514800C-70J) PIN DESCRIPTION 28 VSS PIN NAME PIN NAME ADDRESS INPUT COLUMN ADDRESS STROBE I/O0 27 I/O7 (LOW/REFRESH A0~A3 A0~A9 READ/WRITE INPUT COLUMN A0~A3) I/O1 26 I/O6 OUTPUT ENABLE I/O0~I/O7 DATA I/O I/O2 25 I/O5 POWER (+5V)

  • Page 83: Parts Guide

    FO-780A PARTS GUIDE UX-300 FO-780 MODEL CONTENTS Packing material & Accessories Cabinet, etc. Control PWB unit Top cover and sub frame TEL-Liu PWB unit Upper cabinet Power supply PWB unit Document guide upper Index Drive unit Because parts marked with "...
  • Page 84 FO-780A [1] Cabinet, etc. TOP COVER/ SUB FRAME B2x2 B2x2 DOCUMENT GUIDE UPPER DRIVE UNIT B2x2 B2x9 – 1 –...
  • Page 85 FO-780A PRICE PART DESCRIPTION PARTS CODE RANK MARK RANK [1] Cabinet,etc. DCEKP440BXH23 Operation panel unit QCNW-4935XHZZ Panel cable RCORF2063XHZZ Core MLEVP2297XHZZ Cover switch lever MSPRT3069XHFJ Cover switch spring NROLR2375XHZZ Feed roller NSFTP2302XHZZ Feed roller shaft PGIDM2538XHZZ Original paper guide CCNW-202AXH01 Speaker ass’y...
  • Page 86 FO-780A [2] Top cover and sub frame PRICE PART DESCRIPTION PARTS CODE RANK MARK RANK [2] Top cover and sub frame GCOVA2403XHSA Top cover JKNBP2091XHZZ Release knob MSPRC2832XHZZ Hopper spring NGERP2318XHZZ Pinion gear PGIDM2533XHSA Hopper guide,left PGIDM2534XHSA Hopper guide,right MSPRD3065XHFJ...
  • Page 87 FO-780A [3] Upper cabinet B1x5 PRICE PART DESCRIPTION PARTS CODE RANK MARK RANK [3] Upper cabinet GCABA2324XHZF Upper cabinet JBTN-2242XHSA 12 key JBTN-2252XHSA Direct key JBTN-2244XHSA Start key JBTN-2245XHSA Stop key JBTN-2246XHSA Mode key DCEKP450BXH02 Operation panel PWB unit QCNW-4935XHZZ...
  • Page 88 FO-780A [4] Document guide upper PRICE PART DESCRIPTION PARTS CODE RANK MARK RANK [4] Document guide upper LPLTG2911XHZZ Separator rubber LPLTP2908XHZZ Separator plate MSPRC3071XHFJ Pinch roller spring MSPRP3079XHFJ Paper feed spring MSPRT2951XHZZ Separate spring NBRGP2141XHZZ Transfer bearing NGERH2445XHZZ Back roller gear...
  • Page 89 FO-780A [5] Drive unit PRICE PART DESCRIPTION PARTS CODE RANK MARK RANK [5] Drive unit CGERH2459XH01 Slip gear ass’y CLEVP2298XH01 Planet gear lever A ass’y CLEVP2299XH01 Planet gear lever B ass’y CLEVP2300XH01 Planet gear lever C ass’y CLEVP2303XH01 Planet gear lever D ass’y...
  • Page 90 FO-780A [6] Packing material & Accessories TAPE TAPE TAPE AC CORD TAPE PRICE PART DESCRIPTION PARTS CODE RANK MARK RANK [6] Packing material & Accessories SPAKC064BXHZZ Packing case TLABM4981XHZZ Box label TINSE3988XHZZ Operation manual TLABH4811XHZZ Rapid key labels CPLTP3002XHB1 Imaging film cartridge and label ass’y...
  • Page 91 FO-780A PRICE PART DESCRIPTION PARTS CODE RANK MARK RANK [7] Control PWB unit UBATL2049SCZZ Battery(CR2032T23) [BAT1] VCEAGA1EW476M Capacitor(25WV 47µF) [C1] VCEAGA1HW105M Capacitor(50WV 1µF) [C2] VCEAGA1EW476M Capacitor(25WV 47µF) [C3] VCEAGA1HW106M Capacitor(50WV 10µF) [C4] VCEAGA1HW106M Capacitor(50WV 10µF) [C5] VCEAGA1HW226M Capacitor(50WV 22µF) [C6] VCEAGA1HW107M Capacitor(50WV 100µF)
  • Page 92 FO-780A PRICE PART DESCRIPTION PARTS CODE RANK MARK RANK [7] Control PWB unit VCKYTV1CF105Z Capacitor(16WV 1µF) [C178] VCKYTV1CF105Z Capacitor(16WV 1µF) [C179] VCCSTV1HL102J Capacitor(50WV 1000PF) [C180] VCKYTV1HB681K Capacitor(50WV 680PF) [C181] VCKYTV1CF105Z Capacitor(16WV 1µF) [C182] VCCSTV1HL102J Capacitor(50WV 1000PF) [C183] VCKYTQ1HF104Z Capacitor(50WV 0.1µF)
  • Page 93 FO-780A PRICE PART DESCRIPTION PARTS CODE RANK MARK RANK [7] Control PWB unit RCILZ2145XHZZ Coil(Z2145) [L102] RCILZ2145XHZZ Coil(Z2145) [L103] RCILZ2104SCZZ Coil(Z2104) [L104] RCILZ2145XHZZ Coil(Z2145) [L105] RCILZ2145XHZZ Coil(Z2145) [L106] Resistor(1/10W 0Ω ±5%) VRS-TS2AD000J [L107] Resistor(1/10W 0Ω ±5%) VRS-TS2AD000J [L108] VHPSG206S//-1 Photo transistor(SG206S)
  • Page 94 FO-780A PRICE PART DESCRIPTION PARTS CODE RANK MARK RANK [7] Control PWB unit Resistor(1/10W 20KΩ ±5%) VRS-TS2AD203J [R175] Resistor(1/10W 0Ω ±5%) VRS-TS2AD000J [R176] Resistor(1/10W 47KΩ ±5%) VRS-TS2AD473J [R177] Resistor(1/10W 33KΩ ±5%) VRS-TS2AD333J [R180] Resistor(1/10W 33KΩ ±5%) VRS-TS2AD333J [R181] Resistor(1/10W 0Ω ±5%)
  • Page 95 FO-780A PRICE PART DESCRIPTION PARTS CODE RANK MARK RANK [8] TEL-Liu PWB unit VCQYNA1HM334K Capacitor(50WV 0.33µF) [C4] VCEAGA1HW106M Capacitor(50WV 10µF) [C5] VCEAGA1HW106M Capacitor(50WV 10µF) [C6] VCEAGA1HW106M Capacitor(50WV 10µF) [C7] VCEAGA1EW107M Capacitor(25WV 100µF) [C8] VCEAGA1HW225M Capacitor(50WV 2.2µF) [C9] VCEAGA1EW476M Capacitor(25WV 46µF)
  • Page 96 FO-780A PRICE PART DESCRIPTION PARTS CODE RANK MARK RANK [8] TEL-Liu PWB unit Resistor(1/10W 51KΩ ±5%) VRS-TS2AD513J [R123] Resistor(1/10W 51KΩ ±5%) VRS-TS2AD513J [R124] Resistor(1/10W 0Ω ±5%) VRS-TS2AD000J [R125] Resistor(1/10W 130Ω ±5%) VRS-TS2AD131J [R126] Resistor(1/10W 20KΩ ±5%) VRS-TS2AD203J [R127] Resistor(1/10W 470Ω ±5%)
  • Page 97 FO-780A PRICE PART DESCRIPTION PARTS CODE RANK MARK RANK [9] Power supply PWB unit 0CBUCB0167AZ/ IC(UPC29M05HF) [IC1] 0CBUKZ0826ZZ/ Filter(ELF15N003A) [L1] 0CBUZZ0156ZZ/ Coil(RS208) [L2] 0CBLRZ6581ZN/ Heat sink [MT1] 0CBLRZ6562ZN/ Heat sink [MT2] 0CBUDC0163CZ/ Photo coupler(PC123YS) [PC1] 0CBUDC0163CZ/ Photo coupler(PC123YS) [PC2] 0CBUAG0161AC/...
  • Page 98 FO-780A I n d e x PRICE PRICE PRICE PART PART PART PARTS CODE PARTS CODE PARTS CODE RANK MARK RANK RANK MARK RANK RANK MARK RANK MSPRP3055XHFJ 1-25 QCNW-4935XHZZ ″ CCNW-202AXH01 MSPRP3079XHFJ CGERH2444XHY1 1-10 MSPRT2951XHZZ QCNW-4936XHZZ 1-38 CGERH2459XH01 MSPRT3069XHFJ...
  • Page 99 FO-780A PRICE PART PRICE PART PRICE PART PARTS CODE PARTS CODE PARTS CODE MARK MARK MARK RANK RANK RANK RANK RANK RANK VCCCTV1HH101J 7-98 VCKYTV1CF105Z 7-71 VCKYTV1HB472K 7-61 ″ ″ ″ 7-100 7-72 8-19 ″ ″ 7-102 7-77 VCKYTV1HB561K 8-38 ″...
  • Page 100 FO-780A PRICE PRICE PRICE PART PART PART PARTS CODE PARTS CODE PARTS CODE RANK MARK RANK RANK MARK RANK RANK MARK RANK VRS-TS2AD101J 7-255 VRS-TS2AD303J 7-189 0CBPZZ0906ZZ/ 9-26 ″ ″ 7-284 7-216 0CBPZZ0931ZZ/ 9-15 ″ ″ 8-107 7-223 0CBUAC0034EZ/ 9-36 ″...
  • Page 101 FO-780A M E M O – 18 –...
  • Page 102 RANK MARK RANK © COPYRIGHT 1999 BY SHARP CORPORATION ALL RIGHTS RESERVED. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher.

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