Epson Photo PC-750Z Service Manual
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Epson Photo PC-750Z Service Manual

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6HUYLFH 0DQXDO
6HUYLFH 0DQXDO
6HUYLFH 0DQXDO
6HUYLFH 0DQXDO
Color Digital Camera
EPSON PhotoPC-750Z
®
SEDC98002

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  • Page 1 6HUYLFH 0DQXDO 6HUYLFH 0DQXDO 6HUYLFH 0DQXDO 6HUYLFH 0DQXDO Color Digital Camera EPSON PhotoPC-750Z ® SEDC98002...
  • Page 2 1. Repairs on EPSON products should be performed only by an EPSON-certified repair technician. 2. Make certain that the source voltage is the same as the rated voltage listed on the serial number/rating plate. If the EPSON product has a primary AC rating different from the available power source, do not connect it to the power source.
  • Page 3 EPSON PhotoPC-750Z Revision A Revision Status Revision Issued Date Description Rev.A February 16, 1999 First Release...

  • Page 4: Table Of Contents

    EPSON PhotoPC-750Z Revision A Table of Contents Picture is blurry or out of focus..............36 Product Description Features ......................7 Disassembly and Assembly Product Description ................... 9 Control Panel................... 16 Overview ...................... 38 Control Buttons..................18 Precautions ..................... 38 Capturing Mode Indication ..............19 Tools .......................
  • Page 5 EPSON PhotoPC-750Z Revision A Maintenance Preventive Maintenance ................71 Check Points ................... 71 Appendix Circuit Shematics..................73...
  • Page 6 & + $ 3 7 ( 5 PRODUCT DESCRIPTION...

  • Page 7: Features

    † Professional Users † HyPicT mode † Individual Users (Advanced or Intermediate Users) Providing a high quality image based on an EPSON original picture † For Business Users (For making reports with pictures) enhancement technology. Super high quality image by high image correction skill, equivalent to 2000K pixels CCD.
  • Page 8 EPSON PhotoPC-750Z Revision A † Image file format: [Product Characteristics] Based on JPEG (3 modes; Super fine, Fine, Standard) † High resolution: † Image size: 4 x VGA (1280 x 960 pixels, 24-bit Color) 1280 x 960 (Super fine/Fine), 640 x 480(Standard), 1280 x 480 †...

  • Page 9: Product Description

    † Data Type: JEPG (Based on JFIF) Table 1-1. Options † Thumb nail Image: 160 x 120 pixel Name Code No. EPSON AC Adapter † Image size: 1600 x 1200 pixel (HyPict) B86703* (input:100V, output:DC7V-2A) 1600 x 600 pixel (HyPict Panorama)
  • Page 10 EPSON PhotoPC-750Z Revision A † Viewfinder: NOTE: When shooting at macro mode, exposure over will occur if Optical real image view finder interlocked with zooming (View range over 80%) flash is emitted in 0.2 m (maximum range). In order to avoid Correction frame for 80 cm distance from an object this, use tripod without using flash, avoiding hand vibration.
  • Page 11 EPSON PhotoPC-750Z Revision A † Digital Zoom: 2 x digital zoom without relying on the optical zoom. 5)Indicates fixed white balance mode Therefore, digital zoom + optical zoom = 6 x zoom is 6)Indicates High sensitivity mode available. 7)Indicates continuous shooting mode...
  • Page 12 EPSON PhotoPC-750Z Revision A † Slide Show: [UI Menu (View Mode Menu)] Automatic playback / Pausing function † Conditions: † Software: Continuous / quick shooting mode Optional software addition / erasing /execution White balance (Auto/Fixed/ Customize) Direct printing Exposure value (Auto/ Adjust <9-step>) †...
  • Page 13 EPSON PhotoPC-750Z Revision A 2: Figures shown above represent stroage capacity when there is no Table 1-4. Average storage capacity image data in the internal memory and no optional software is installed. If other file is stored in the memory, available storage capacity...
  • Page 14 EPSON PhotoPC-750Z Revision A [Physical Dimensions] † Width: 137.5mm † Height: 76.4mm † Depth: 61.8mm † Weight: 310g (without batteries and strap) † Tripod socket is available for installing the tripod [Interface connectors and others] † Video output: NTSC (NTSC model) or PAL (PAL model) video...
  • Page 15 EPSON PhotoPC-750Z Revision A [Serial Interface] The serial interface should be announced as EPSON original specifications for connecting to a PC/MAC, a printer or a modem, and the specifications are not open to the public. Connecting a PC/MAC. the interface is compatible with RS-232C. A PC/MAC is required to support 19.2 kbps transmission rates at the minimum.

  • Page 16: Control Panel

    EPSON PhotoPC-750Z Revision A 1.1.2 Control Panel Table 1-8. LCD panel Display Meaning Display Meaning The figure below shows all indications on the LCD panel and table1-8 Remaining shots number Strobe off mode indicator shows meaning of each mark. CF card insertion marker...
  • Page 17 EPSON PhotoPC-750Z Revision A When the camera is broken, sometimes error code is indicated on the LCD. Table below shows the meaning of the error code. However, since these error codes are used in the developing stage and not reliable to find out specific malfunction parts correctly.

  • Page 18: Control Buttons

    EPSON PhotoPC-750Z Revision A 1.1.3 Control Buttons Table 1-11. Meaning of buttons Name of button Meanings and functions Figure below shows layout of buttons and switches ,and table shows • Off: Power off state. function of each button. • On: Mode for taking pictures with a view finder.

  • Page 19: Capturing Mode Indication

    EPSON PhotoPC-750Z Revision A 1.1.4 Capturing Mode Indication 1.1.5 Operation Specification There are several color frame indicators showing a current capturing Table below shows each operation menu. mode on the LCD monitor in the VIEW mode. † View Mode Table 1-12. Frame indication Table 1-13.
  • Page 20 EPSON PhotoPC-750Z Revision A † Playback Mode Table 1-14. Operation Menu at Playback Table 1-15. Operation Menu at Playback Camera Menu Items in Camera Menu Items in Screen Item Name Function Screen Item Name Function Mode View Mode Mode View Mode...

  • Page 21: Cable Specification

    EPSON PhotoPC-750Z Revision A 1.1.6 Cable Specification [MAC. Cable/Direct printing cable] † Cable Length: 1.5m Figure1-4 and 1-5 show cable connection diagram for DOS. V and MAC. individually. † Connector Type: „ Camera side: 8 pins mini-DIN (male) [DOS/V Cable] †...

  • Page 22: Options

    EPSON PhotoPC-750Z Revision A 1.1.7 Options 1.1.8 Environmental Conditions † AC adapter † Temperature: „ Model:EU-18 „ Operating: 5 to 35 ° „ Input Voltage:AC110V for Taiwan „ Storage: -20 to 60 ° „ Output voltage:DC7V 2.0A † Humidity: „ Operating: 30 to 90%, no condensation „...

  • Page 23: Operating Principles

    & + $ 3 7 ( 5 OPERATING PRINCIPLES...

  • Page 24: Board Component

    EPSON PhotoPC-750Z Revision A 2.1 Board Component Table 2-1. Functions of each board Majority of the EPSON PhotoPC-750Z consists of the electric circuit Name Function boards. The figure below shows those boards and explains their functions. 4-bit microprocessor as the central system is mounted on the back of this board.

  • Page 25: Out Line Of Operating Principles

    EPSON PhotoPC-750Z Revision A 2.1.1 Out line of Operating Principles 2.1.1.1 CA1 Board Major ICs on the CA1 board are listed in the figure below. Starting from The figure below shows the block diagram of all boards in PhotoPC- driving the CCD, they perform processing and A/D conversion until 750Z.

  • Page 26: Ca2 Board

    EPSON PhotoPC-750Z Revision A 2.1.1.2 CA2 board Name Function Major circuits on the CA2 board are following. 8-bit parallel input and output makes it possible to PIO/PWM/LCD switch between individual input/output and PWM input/output. Table 2-3. Major Circuits on the CA2 board...

  • Page 27: Sy1 Board

    EPSON PhotoPC-750Z Revision A 2.1.1.4 SY1 Board 4-bit microprocessor is mounted on the SY1 board, and following Table 2-5. ST1 Board (Strobe Control Block) operations are handled. Circuit Name Function Table 2-6. Various Circuits of the SY1 Board When the flash is emitted during the Forced or Auto flash,...

  • Page 28: Tb1 Board

    EPSON PhotoPC-750Z Revision A 2.1.1.5 TB1 Board TB1 board supplies the power source from the batteries to the ST1 board. Also, the condition when the shutter button is pressed is monitored by 4-bit CPU on the SY1 board. 2.1.1.6 TB2 Board LED emission signal is input to this board when the self-timer is set.

  • Page 29: Troubleshooting

    & + $ 3 7 ( 5 TROUBLESHOOTING...

  • Page 30: Overview

    The performance of the second maintenance is allowed to be done only by EPSON Co., Ltd. We do not guarantee the repair result by the others. Refer to the table 3-1 for distinction between first and second maintenance.

  • Page 31: The Camera Has No Power

    PhotoPC-750Z Revision A 3.1.1 The Camera has no power Refer to the Table 3-2, 3-3, and 3-4, if the LCD is not indicated or red Table 3-2. Check points when the camera has no power LED keeps blinking and does not go to the stand-by state when the Check-Point Solution rotary switch is turned on after installing the battery or AC adapter.
  • Page 32 PhotoPC-750Z Revision A Table 3-4. No power only when the batteries are used (2) Check-Point Solution Table 3-3. No power only when the batteries are used (1) Use the recommended AC-adapter Check-Point Solution Is the recommended AC-adapter (B86703*). Using other kind of (B86703*) used? adapter may charge back the battery.

  • Page 33: Led Red Light Blinks / No Green Light

    PhotoPC-750Z Revision A 3.1.2 LED red light blinks / No green light 3.1.3 Shutter does not work This section explains troubleshooting when the LED (red) located next This section explains the checkpoints and solution when the data image to the lens viewfinder blinks or stays On(red) and never indicates green can not be taken even when the shutter button is pressed with or light (Stand-by).

  • Page 34: Nothing Appears On The Camera And Computer Screen (All Black)

    PhotoPC-750Z Revision A 3.1.4 Image is taken out of cross mark in the 3.1.5 Nothing appears on the Camera and Computer viewfinder (Not using LCD monitor) screen (All black) Here shows checkpoints and solution when the images are taken out of This section shows check points and solution when no images appears central cross mark when using the lens viewfinder.

  • Page 35: Unable To Transfer The Image Data To Pc

    PhotoPC-750Z Revision A 3.1.6 Unable to transfer the image data to PC 3.1.7 No Images on the LCD (All black) This section shows checkpoints and solutions when the image data is This section shows check points and solution when images do not unable to be transferred to PC due to the communication failure.

  • Page 36: Unable To Use The Optional Compact Flash

    PhotoPC-750Z Revision A 3.1.8 Unable to use the Optional Compact Flash 3.1.9 Picture is blurry or out of focus This section shows checkpoints and solution when the number of This section shows checkpoints and solution when the taken images to pictures you can take does not change after installing optional Compact the PC is blurry or out of focus.

  • Page 37: Disassembly And Assembly

    & + $ 3 7 ( 5 DISASSEMBLY AND ASSEMBLY...

  • Page 38: Overview

    The performance of the second maintenance is allowed to be done only by EPSON Co., Ltd. We do not guarantee the repair result by the others. Refer to the table 4-1 for distinction between first and second maintenance.

  • Page 39: Tools

    EPSON PhotoPC-750Z Revision A 4.1.2 Tools 4.1.3 Screws The table below shows the recommended tools for repair service. Table below shows the specification of screws. Table 4-2. Tools Since each type of screw has its own usage purpose, make sure to use the specified screws to the correct...

  • Page 40: Disassembly And Assembly

    EPSON PhotoPC-750Z Revision A 4.1.4 Disassembly and Assembly Refer to the flow chart for disassembly. START „ Read “Precautions” on page -38 before starting disassembly. Cabinet Assembly(Front/Rear), Holder CF, „ When disassembling the camera, follow the order in Cover Battery, Cover Top Removal the figure.

  • Page 41: Cabinet Parts Removal

    EPSON PhotoPC-750Z Revision A 4.1.4.1 Cabinet Parts Removal The figure 4-2 shows disassembling of Cabinet Assembly (Rear and Front), Cover Battery and Cover CF. When removing the parts, follow the number in the figure as procedure order. There is a danger of getting electric shock from the electrolytic condenser (C5412) mounted on the ST1 board.

  • Page 42: Sy1 Board, Tb1 Board And Fpc Unit Removal

    EPSON PhotoPC-750Z Revision A Following shows how to release the electricity from the electrolytic 4.1.4.2 SY1 Board, TB1 Board and FPC Unit Removal condenser (C5412) on the ST1 board. If you don’t perform this, you will Here explains disassembly of SY1 Board, TB1 Board and FPC Unit.

  • Page 43: Ca1 Board Removal

    EPSON PhotoPC-750Z Revision A 4.1.4.3 CA1 Board Removal 4.1.4.4 DEC Lens, PW1, CA2 Board, Cover Connector, Lens Unit and Holder Lens Removal Here explains disassembly of CA1 Board, LCD Monitor and Holder Here explains disassembly of DEC lens, PW1, CA2 Board, Cover LCD.
  • Page 44 EPSON PhotoPC-750Z Revision A Figure 4-6. DEC Lens, PW1, CA2 Boards, Cover Connector, Lens Unit and Holder Lens Removal Disassembly and Assembly Overview...

  • Page 45: Assembly

    EPSON PhotoPC-750Z Revision A 4.1.5 Assembly Here explains the assembly of PhotoPC-750Z. Since the assembly process is relatively complicated, procedures for disassembly and assembly are explained individually. Refer to Table4-1 and perform the proper adjustments after replacing and assembling the corresponding units or parts.

  • Page 46: Installing Parts To The Ca1 Board

    EPSON PhotoPC-750Z Revision A 4.1.5.2 Installing parts to the CA1 Board 1. Put the insulating film on the board. 2. Leave the mounting lens on the insulating film. 3. Insert the feet of CCD to the notch of the mounting lens, paying attention to the direction of 1-pin of CCD.
  • Page 47 EPSON PhotoPC-750Z Revision A 10. Solder the shield case from the back of the CA1 board. (Total 6 soldering positions) 11. Solder the one side of the black cable (about 5.5 cm) for prevention of radiation (electric noise) to the soldering point, which is located below the Viewfinder.

  • Page 48: Setting-Up The Ca2 Board

    EPSON PhotoPC-750Z Revision A 4.1.5.3 Setting-Up the CA2 Board 1. If there are no soldering points on the shield case located at the front face of CA2 board, drop one soldering to the position as it is shown in the Figure 4-10. (Soldering position) 2.

  • Page 49: St1 Board Setting-Up

    EPSON PhotoPC-750Z Revision A 4.1.5.4 ST1 Board Setting-Up 1. Drop one spare soldering to the indicated red spot in the Figure 4-11, which is on the shield case of the front face of ST1 board. 2. Solder the cable for prevention of radiation (black cable; about 4 cm) to the soldering point nearest to the video terminal on the reverse face of ST1 board.

  • Page 50: St1 Board Setting-Up (2)

    EPSON PhotoPC-750Z Revision A 4.1.5.5 ST1 Board Setting-Up (2) 4.1.5.6 CA2 Board Setting-Up (2) 1. Install the holder jack to the ST1 board and fix it by one screw (102). 1. Install the holder lens to the CA2 board by one screw (102).

  • Page 51: Installing Parts To The Ca1 Board (2)

    EPSON PhotoPC-750Z Revision A 4.1.5.7 Installing Parts to the CA1 Board (2) 4.1.5.8 Connecting Boards 1. Put the holder LCD on the back side of CA1 board and fix them by 2 CONNECTING THE CA2 AND ST1 BOARDS screws (102) from the front side of CA1 board.
  • Page 52 EPSON PhotoPC-750Z Revision A 3. Fix the CA2 board and ST1 board by inserting one screw to the notch of the holder lens, which is located at the back side of CA2 board. Figure 4-16. Connecting CA2 and ST1 Boards (2) Figure 4-17.
  • Page 53 EPSON PhotoPC-750Z Revision A 6. Install the shaft battery cover between CA2 board and ST1 board. CONNECTING CA1 AND (ST1 + CA2) BOARDS 7. Attach 2 connectors as they are shown in the figure, matching the front side of CA1 board with the back side of CA2 board.
  • Page 54 EPSON PhotoPC-750Z Revision A 9. Tighten 2 screws (102) to 2 notches located back side of the holder 11. Install the LCD monitor by sliding it from the below to the holder LCD and one screw (102) to 1 notch at the left below on the same LCD.
  • Page 55 EPSON PhotoPC-750Z Revision A 12. Connect the FPC cable from the LCD monitor to the connector CONNECTING TB1 AND (CA1+ST1+CA2) BOARDS CN171 at the back side of CA1 board. 15. Attach the TB1 board with the cover grip to the left side of the TB1 13.

  • Page 56: Installing The Cabinets

    EPSON PhotoPC-750Z Revision A 4.1.5.9 Installing the Cabinets CONNECTING SY1 AND (TB1+CA1+ST1+CA2) BOARDS INSTALLING FPC UNIT 16. Connect 2 connectors located under the SY1 board to the connectors on the CA1 and CA2 boards individually, and fix them by 1. Perform procedures up to Step 18 and complete connections 2 screws (102) from the top of the SY1 board.
  • Page 57 EPSON PhotoPC-750Z Revision A INSTALLING THE COVER TOP TEMPORAL TACKING THE COVER CF 4. Match 3 dimples of the Cover Top with the each notch on the SY1 5.Tack the “Cover CF” to the camera body by one screw (100) board and fix them.
  • Page 58 EPSON PhotoPC-750Z Revision A 9. Insert the shaft into the hole on the rear cabinet and attach the cover SETTING THE LCD MODE SELECTION SWITCH battery. Although the shaft is press fitted, it can be assembled without problem by this procedure, even if the shaft is detached.

  • Page 59: Adjustment

    & + $ 3 7 ( 5 ADJUSTMENT...

  • Page 60: Overview

    CA2 Board Same as above Second Maintenance EPSON.Co. We do not guarantee the repair result Lens Unit Same as above Second Maintenance performed by the others. Refer to “Assembly” on page -45 for assembling after adjustment is done.

  • Page 61: Getting Ready For Adjustment

    EPSON PhotoPC-750Z Revision A 5.1.1 Getting Ready for Adjustment Table 5-2. Required Instruments This section explains camera and PC setting up for adjustment. Follow the procedures below and complete the setting-up. Name Purchasable Code 5100 Kelvin Color Viewer 103058400 DscCalDl_121a Attached with this „...
  • Page 62 EPSON PhotoPC-750Z Revision A 2. Remove all the cabinet parts from the camera body and use the AC 5. By double-clicking on “Setup.EXE” in the disk, the program is adapter for power supply. Also, connect the PC and camera by the automatically activated.

  • Page 63: Initialization

    EPSON PhotoPC-750Z Revision A 5.1.2 Initialization 3. Select “Yes” and perform initialization. A few seconds later, the screen below will appear. This section explains initialization, which must be done before adjustment. Unlike the previous models, even after initialization is performed, various adjustment values are not cleared in PhotoPC- 750Z.

  • Page 64: Flange-Back Adjustment

    EPSON PhotoPC-750Z Revision A 5.1.3 Flange-back Adjustment 5. Automatically shooting (2 times: Zoom shooting and Standard shooting) and adjustment are performed by the program. After 1. Complete the setting-up for adjustment. (See “Getting Ready for adjustment is completed, adjustment value will appear on the Adjustment”...

  • Page 65: Awb5100K Adjustment

    EPSON PhotoPC-750Z Revision A 5.1.4 AWB5100K Adjustment „ Adjustment value 249 - 255 indicate an error. 1. Complete the setting-up for adjustment. (See “Getting Ready for *249: Have the screen corners or object changed or move Adjustment” on page -61)

  • Page 66: Color Matrix Adjustment

    EPSON PhotoPC-750Z Revision A 5.1.5 Color Matrix Adjustment 1. Complete the setting-up for adjustment. (See “Getting Ready for Adjustment” on page -61) 2. Turn on the cooler viewer, and set the volume of the color viewer to the maximum. „ Perform this “Color Matrix adjustment” after performing “AWB5100K”...

  • Page 67: Ccd Defect Detect Adjustment

    5.1.7 Uploading the Firmware 1. Complete the setting-up for adjustment. (See “Getting Ready for Adjustment” on page -61) 2. Store the Firmware, which is distributed from EPSON.Co. according to the necessity, to the appropriate hard disk. (Firmware is usually bin file and compressed) 3.
  • Page 68 EPSON PhotoPC-750Z Revision A Figure 5-10. Screen when uploading Firmware „ If the power supply is stopped or the serial communication cable comes off during the uploading of Firmware , this may lead to destroy the Flash Memory. Therefore, do not perform other operation until “Complete”...
  • Page 69 EPSON PhotoPC-750Z Revision A 7. When the uploading gets closer to its end, the camera beeps one time and let you know that the operation moved from reading to writing to Flash Memory. Be careful not to take the first beep sound (indication of the operational change from reading to writing to the Flash Memory) as the ending sound of operation.
  • Page 70 & + $ 3 7 ( 5 MAINTENANCE...

  • Page 71: Preventive Maintenance

    PhotoPC-750Z Revision A 6.1 Preventive Maintenance Table 6-1. Items to Check Check Points Check PhotoPC-750Z does not require specific maintenance such as When the power is turned on, does the lens come † OK † NG lubrication or cleaning on a regular basis. However, it is necessary to out? perform cleaning according to its necessity if any dirt or fingerprints are Is in and out of lens viewfinder free from the finger...

  • Page 72: Appendix

    & + $ 3 7 ( 5 APPENDIX...

  • Page 73: Circuit Shematics

    PhotoPC-750Z Revision A 7.1 Circuit Shematics Following pages show circuit diagram mounted on the PhotoPC-750Z. Appendix Circuit Shematics...
  • Page 74      APPENDIX...

  • Page 75: Connection Among Boards

    EPSON PhotoPC 850Z Revision A 7.1 Connection Among Boards The following page show the connection among the boards. Appendix Connection Among Boards...

  • Page 77: Circuit Boards Component Layout

    EPSON PhotoPC 850Z Revision A 7.2 Circuit Boards Component Layout This section shows the component layout of each circuit board. Figure 7-1. CA1 Circuit Board Appendix Circuit Boards Component Layout...
  • Page 78 EPSON PhotoPC 850Z Revision A ca2patter Figure 7-2. CA2 Circuit Board Appendix Circuit Boards Component Layout...
  • Page 79 EPSON PhotoPC 850Z Revision A Figure 7-4. SY2 Circuit Board Figure 7-3. SY1 Circuit Board Appendix Circuit Boards Component Layout...
  • Page 80 EPSON PhotoPC 850Z Revision A Figure 7-5. PW1 Circuit Board Appendix Circuit Boards Component Layout...
  • Page 81 EPSON PhotoPC 850Z Revision A Figure 7-8. TB2 Circuit Board Figure 7-6. ST1 Circuit Board Figure 7-7. TB1 Circuit Board Appendix Circuit Boards Component Layout...

  • Page 82: Exploded Diagram

    EPSON PhotoPC 850Z Revision A 7.3 Exploded Diagram Exploded diagrams are shown on the following pages. Appendix Exploded Diagram...
  • Page 83 CABINET 1 SR922/JEP Parts List-1...
  • Page 84 CABINET 2 27 28 SR922/JEP Parts List-2...

  • Page 85: Circuit Schematics

    EPSON PhotoPC 850Z Revision A 7.4 Circuit Schematics The following pages show the circuit schematics. CA1 Circuit CA2 Circuit SY1/SY2 Circuit PW1 Circuit ST1 Circuit TB1 Circuit TB2 Circuit Appendix Circuit Schematics...

  • Page 93: Siemens Star Chart

    EPSON PhotoPC 850Z Revision A 7.5 Siemens Star Chart The Siemens Star Chars, which is essential for adjustment, is shown on the last page. Appendix Siemens Star Chart...
  • Page 94 s i e m e n s...

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