Casio EX-Z750 Service Manual
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Casio EX-Z750 Service Manual

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EX-Z750
MAR. 2005
INDEX
Ver.2 : Jun. 2005
R

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Summary of Contents for Casio EX-Z750

  • Page 1 (without price) EX-Z750 MAR. 2005 INDEX Ver.2 : Jun. 2005...

  • Page 2: Table Of Contents

    CONTENTS SPECIFICATIONS ............................1 BLOCK DIAGRAM ............................5 TEST MODE ..............................6 PROGRAM VERSION UPGRADING ......................7 1. To update the firmware version ..................... 7 2. How to restore the firmware ......................8 3. To install the firmware ........................9 ADJ TOOL ..............................

  • Page 3: Specifications

    SPECIFICATIONS Image Files Format Snapshots: JPEG (Exif Ver.2.2); DCF (Design rule for Camera File system) 1.0 standard; DPOF compliant Movies: AVI (MPEG-4) Audio: Recording Media 8.3MB built-in flash memory SD Memory Card MultimediaCard Image Size Snapshots: 3072 x 2304 pixels 3072 x 2048(3:2) pixels 2560 x 1920 pixels 2048 x 1536 pixels...
  • Page 4 Delete Single-file, all files (with protection) Effective Pixels 7.2 million Imaging Element 1/1.8-inch square pixel color CCD (Total pixels: 7.41 million) Lens/Focal Distance Lenses F2.8 (W) to 5.1(T); f=7.9(W) to 23.7mm (T) (equivalent to approximately 38 (W) to 114mm (T) for 35mm film) 7 lenses in 6 groups, with aspherical lens Zoom...
  • Page 5 Power Requirements Power Requirements Rechargeable lithium ion battery (NP-40) x 1 Approximate Battery Life: The values below indicate the amount of time under the conditions defined below, until power automatically turns off due to battery failure. They do not guarantee that you will be able to achieve this level of operation. Low temperatures shorten battery life.
  • Page 6 Rechargeable Lithium Ion Battery (NP-40) Rated Voltage 3.7 V Rated Capacitance 1230 mAh Operating Temperature Range 0°C to 40°C (32°F to 104°F) Dimensions 38.5(W) x 38.0(H) x 9.3(D) mm (1.5˝(W) x 1.5˝(H) x 0.37˝(D)) Weight Approximately 34 g (1.2 oz) USB Cradle (CA-26) Input/Output Terminals Camera connector;...

  • Page 7: Block Diagram

    BLOCK DIAGRAM — 5 —...

  • Page 8: Test Mode

    TEST MODE Note: Never perform the menu items unless otherwise instructed. Doing so may cause destruction of the data inside, which will make the camera unusable. To boot the test mode 1. While firmly pressing down both [DISP] and [UPPER], turn the power on. [UPPER] button 2.

  • Page 9: Program Version Upgrading

    PROGRAM VERSION UPGRADING 1. To update the firmware version 1. Prepare the memory card which contains the firmware for EX-Z750 in the root directory. EX-Z750.bin 2. Insert the above memory card into the camera, and set a fully charged battery in the camera.

  • Page 10: How To Restore The Firmware

    2. How to restore the firmware 1. Prepare the firmware restoration program and change its name as follows; rom842_gm_11.lbn saturn.bin NOTE: This software and procedure automatically restores the firmware even if the firmware belongs to a wrong model code. Make sure to use the correct software for the correct model. 2.

  • Page 11: To Install The Firmware

    1. Copy the following software to the root directly of the SD card. Restoration software: rom842_gm_11.lbn Firmware: EX-Z750.bin 2. Change the name as follows; “rom842_gm_11.lbn” to “saturn.bin” 3. Insert the SD card into the camera. 4. Insert the battery while holding the [shutter release] button depressed.

  • Page 12: Adj Tool

    ADJ TOOL Introduction Make sure to perform the adjustment by the USB ADJ Tool “adj03SSAW.exe” when replacing the lens unit or the PCB. Here the necessary software, driver and setting are explained to use “adj03SSAW.exe”. Note that the tool, drivers etc. are available only for Windows. 1.
  • Page 13 7) Check “Designate the place to search”, designate the place which contains “inf” file in the driver by pressing “Reference” button, and then press “Next” button. 8) When “Universal USB Driver (VMEM manufacturer’s name)” appears upon message “Searching for the driver file for the following devices”, press “Next” button. 9) The file copy starts.

  • Page 14: How To Use Adj Tool When Replacing Lens Unit

    3 Boot "adj03ssaw" . 4 Select the model name and click "Load FW " Key. • EX-Z750 5 Click "ADJ ALL READ", and display the data on the "adj03ssaw". 6 Find the No.1163, "LCD VCOM DC". 7 Write down this value(data).

  • Page 15: How To Use Adj Tool When Replacing Main Pcb

    2 Connect the camera to the PC by the USB cable. 3 Boot "adj03ssaw". 4 Select the model name and click "Load FW " Key. • EX-Z750 5 Click "ADJ ALL READ", and display the data on the "adj03ssaw". 6 Save the data. 7 Replace the MAIN PCB.

  • Page 16: Vcom Dc Adjustment

    VCOM DC ADJUSTMENT Purpose Readjust the VCOM value to minimize the flicker of the LCD after replacing the LCD or the main PCB. Necessary tools 1. Camera (Charge its battery fully) 2. Photo diode (S2281-01) : See Fig 1. 3. Photo sensor amp (C2719) : See Fig 2. 4.
  • Page 17 Procedure 1. Camera setting Figure (a) a) Turn the power on while pressing “DISP” and “UPPER”. 1: VERSION INFO After pressing “DOWN” key twice, press “DISP” and “MENU”. 2: USB TCC TEST Select "2:USB TCC TEST", and press "SET" button. 3: ROM UPDATE 4: LAST MEMORY Select "1:USB TCC ON", and press "RIGHT"...
  • Page 18 3. Measurement a) Connect S2281-01 to the camera’s LCD monitor (see below). AC Waveforms appear on the monitor screen of the oscilloscope. * Change the Rf range of C2719 in case the range does not match. Photo diode Oscilloscope INPUT OUTPUT S2281-01 Photo sensor amp...

  • Page 19: Current Consumption

    CURRENT CONSUMPTION (1) Current consumption (DC in = 3.80 ± 0.1 [V]) • Make sure that current consumption is less than 250 mA in PLAY mode. • Make sure that current consumption is less than 400 mA in REC mode. •...

  • Page 20: Disassembly

    DISASSEMBLY * Make sure to use correct screws when assembling since there are several kinds of them. It is a good idea to sort them as shown in the right when disassembling. 1. Remove the battery. Removing the case 2. Remove six screws. Screws (S2) Screws...
  • Page 21 Removing the LCD assy 4. Unsolder four lead wires. Black Blue Yellow 5. Remove two screws. Screw (S2) Screw (S1) 6. Remove the connector, and then the LCD ASSY. Note: The connector is under the LCD assy. When removing the FPC, make sure to release the lock of the connector in advance. Release the lock of the connector Assembly Precautions:...
  • Page 22 Removing the front case 7. Remove six screws. Screw (S2) Screw (S3) Screw (S1) Screws (S1) 8. Remove the front case assy. Front case assy 9. Remove three special screws, and then remove the cam ring. Screws (S5) Note: Use a special driver as S5 are special screws. Special driver Part code : 9482 9919 —...
  • Page 23 Removing the C-FRAME unit 10. Remove one connector. 11. Remove two hooks, and then remove the C-FRAME unit and the FPC. Connector Two hooks Two hooks 12. Remove the FPC . Note: The condition in which the FPC is removed is the C-FRAME unit. C-FRAME unit Assembly Precautions: Hook the two hooks.
  • Page 24 13. Remove two screws. Remove the tape fixing the lead wires. Remove two hooks, and then remove the strobe unit and the speaker. Hooks Screw (S6) Screw (S1) Tape 13. Remove the speaker. Note: Speaker is fixed by double-sided tape. The speaker and the lead wires are not included in the strobe unit.
  • Page 25 15. Remove two screws, and then disassemble the C-FRAME unit. Screws (S5) Note: Use a special driver as S5 are special screws. Part code : 9482 9919 Special driver Shutter cover Zoom lever Shutter coil Zoom coil Shutter key Assembly Precautions: 1 Set the zoom lever, shutter key and the shutter coil.
  • Page 26 16. Remove the shutter holder. Unbend the part in the C-FRAME which is securing the shutter holder. C-FRAME assy Shutter holder Shutter key Assembly Precautions: 1 While paying attention to the direction of the power key, set it onto the shutter holder. Positioning pins Shutter holder Power key...
  • Page 27 Removing the clamp board. 17. Open the battery cover, and then remove the clamp board. Hooks 18. Remove two screws, and then remove the strap board. Clamp board Screws (S1) Strap board 19. Pull out the shaft, and then remove the battery lock. Shaft Battery lock coil Battery lock...
  • Page 28 Removing the key FPC 20. Remove one connector, and then remove the FPC. Note: The key FPC is fixed by double-sided tape Key FPC Double-sided tape Connector Removing the Battery case. 21. Remove five screws, and then remove the Battery case. Screws (S6) Screw (S4) Battery case...
  • Page 29 22. Remove two hooks, and then disassemble the battery case. Hooks Removing the lens assy 23. Remove two connectors, and then remove the lens assy. Connector Lens assy Connector Removing the main PCB. 24. Remove the main PCB. — 27 —...
  • Page 30 25. Remove one screw, and then remove the clamp board. Screw (S6) Clamp board Removing the battery cover 26. Remove the shaft, and then disassemble the battery cover. — 28 —...
  • Page 31 Assembling the battery panel 1. Extend the sliding part of the battery panel as shown below. 2. Insert the spring. 3. Insert the head of the spring into the battery panel, and then fix it with a pin. — 29 —...

  • Page 32: Exploded View

    EXPLODED VIEW — 30 —...

  • Page 33: Parts List

    PARTS PRICE LIST Item Parts Code Parts Name Specification QTY Price Remark Overs Code 1020 4694 FRAME ASSY/CENTER TK-RJK507903*001 1 AK 1019 2785 LEVER/ZOOM RJK507368-001V01 1019 2787 SHUTTER RJK507402-001V01 1 AA 1019 2807 COIL/SHUTTER RJK507423-001V01 1019 2803 SPEAKER DS-1325ACKX 1 AA 1019 2805 NET/SPEAKER RJK507483-001V01 1 AC...
  • Page 34 Item Parts Code Parts Name Specification QTY Price Remark Overs Code 1019 3721 PCB ASSY/KEY2 RJK507577*002 TK 1 AG 1 AA 1019 2756 LABEL/RATING RJK507519-001V01 1 AA 1019 2759 LABEL/RATING RJK507519-002V01 1 AA 1019 2760 LABEL/RATING RJK507519-003V01 1019 2761 LABEL/RATING RJK507519-004V01 1 AA 12 AA...

  • Page 35: Printed Circuit Boards

    PRINTED CIRCUIT BOARDS MAIN PCB (TOP VIEW) — 33 —...
  • Page 36 MAIN PCB (BOTTOM VIEW) — 34 —...

  • Page 37: Schematic Diagrams

    SCHEMATIC DIAGRAMS MAIN PCB (1/2) — 35 —...
  • Page 38 MAIN PCB (2/2) — 36 —...
  • Page 39 Correction of the PROGRAM VERSION UPGRADING (P8 ~ 9) Correction of the VCOM DC ADJUSTMENT (P15) Ver.2 : Jun. 2005 Correction of the PROGRAM VERSION UPGRADING (P8 ~ 10) CASIO COMPUTER CO.,LTD. Overseas Service Division 6-2, Hon-machi 1-Chome Shibuya-ku, Tokyo 151-8543, Japan...

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