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Epson PhotoPC 850Z Service Manual

Epson photopc 850z digital still camera service manual
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Digital Still Camera
EPSON PhotoPC 850Z
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Summary of Contents for Epson PhotoPC 850Z

  • Page 1  Digital Still Camera EPSON PhotoPC 850Z ®...
  • Page 2 The contents of this manual are subject to change without notice. All effort have been made to ensure the accuracy of the contents of this manual. However, should any errors be detected, SEIKO EPSON would greatly appreciate being informed of them.
  • Page 3 2. MAKE CERTAIN THAT THE SOURCE VOLTAGES 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 AVAILABLE POWER SOURCE, DO NOT CONNECT IT TO THE POWER SOURCE.
  • Page 4 PREFACE This manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of PhotoPC 850Z. The instructions and procedures included herein are intended for the experienced repair technicians, and close attention should be given to the precautions on the preceding page.
  • Page 5 Revision Status Revision Date of Issue Description September 16, 1999 First Release...

  • Page 6: Table Of Contents

    Table of Contents Product Description Setting Items ................... 29 Full Auto Shooting Mode..............29 Features ....................... 10 Program Mode ..................30 Product Features..................10 Manual Mode ..................31 Exterior ......................12 Attach Products .................... 32 Weight and Dimension ................12 Attach Cable.................... 32 DOS/V Connector Cable ..............32 Functional Specifications................
  • Page 7 LCD System Power Output ..............49 Installation of Door Monitor ..............76 Backlight Power Supply Output............49 Installation of Microphone and SY2 Board ..........77 PW1 Strobe Circuit Description............... 50 Installation of Speaker................78 Charging Circuit ..................50 Installation of Holder Chassis B .............. 79 Light Emission Circuit................51 Installation of Holder Battery ..............
  • Page 8 LCD Gain Adjustment .................99 LCD Blue Brightness Adjustment............100 LCD Red Brightness Adjustment ............100 Uploading Firmware ................101 Maintenance Overview..................... 103 Check Points ..................103 Appendix Connection Among Boards................. 106 Circuit Boards Component Layout.............. 108 Exploded Diagram ..................113 Circuit Schematics..................116 Siemens Star Chart ..................

  • Page 9: Product Description

         PRODUCT DESCRIPTION...

  • Page 10: Features

    EPSON PhotoPC 850Z Revision A 1.1 Features Power Saving Function: Automatic shut-down mode (Setting time: 10 sec., 30 sec., 1 min., 3 min., and 5 min.) 1.1.1 Product Features Power Source: Four Ni-MH batteries HyPict Mode: 1984 x 1488 (HyPict)
  • Page 11 Information (on the image) print function, auto photo fine function (automatically applies to all images). Printer: EPSON STYLUS PHOTO, STYLUS PHOTO 700, STYLUS PHOTO EX, STYLUS PHOTO 750, STYLUS COLOR 740, STYLUS PHOTO 1200 Paper Size (T.B.D): A3 (Glossy Film, Photo Paper, Glossy Paper, Glossy Sticker)

  • Page 12: Exterior

    EPSON PhotoPC 850Z Revision A 1.2 Exterior 1.2.1 Weight and Dimension Dimension: 126 x 82 x 72 (mm) Weight: 400g: (without batteries, strap and CF card) Others: Tripod mountable EXTERNAL VIEW Figure 1-1. External View Product Description Exterior...

  • Page 13: Functional Specifications

    EPSON PhotoPC 850Z Revision A 1.3 Functional Specifications LENS f = 6.5 -19.5mm (equivalent to 35-105mm on a camera using 35mm films) 1.3.1 Images 8 elements in 6 groups construction RECORDING RULE APERTURE DCF (Design rule for camera file system) F2.0-F11 (Wide), F2.8-F11 (Tele) 1/3EV STEP...

  • Page 14: Others

    EPSON PhotoPC 850Z Revision A SHUTTER WHITE BALANCE Through the taking lens automatic white balancing Electronic Iris control shutter with mechanical shutter Fixed mode (color temperature: 5200K) 1/30 -1/1800 sec (when Flash mode is auto or compulsion is On.) Customizing mode (users’ setting available) 4 - 1/800 sec (when Flash mode is Off or slow sync.

  • Page 15: Shooting Mode

    EPSON PhotoPC 850Z Revision A 1.3.2 Shooting Mode DIGITAL ZOOM Digital x2 zoom function LCD DISPLAY Available at any picture size; however, taking pictures in HyPict mode Live picture shown on the LCD monitor (refresh rate 1/30 sec) needs longer time for processing than the others (simple complement).

  • Page 16: Memory

    EPSON PhotoPC 850Z Revision A 1.3.3 Memory 1.3.4 Users Guide Function and Others INTERNAL RAM LCD MONITOR 2.0” low-temperature poly-silicon TFT color LCD 8 MB (110 thousands pixels: 512 x 218 pixels A visual field covers more than 100% of a capturing image field.
  • Page 17 EPSON PhotoPC 850Z Revision A Others When USB connection is used, the camera does not shut down until its battery level becomes low. White Balance *Operation on any button is impossible once the above setting time has Sensitivity passed. Self Timer Mark When the AC adapter is connected, the camera shuts down after 15 minutes (Interval shooting is OK).

  • Page 18: Gui Menu Operation (Summary)

    EPSON PhotoPC 850Z Revision A 1.3.5 GUI Menu Operation (Summary) CAMERA SETTING Power Saving Function DIAL-SWITCH (D-SW) 10 sec. / 30 sec. / 1 min. / 3 min. / 5 min. Dial Switch has the following six functions: Brightness of the LCD Monitor...

  • Page 19: Vf Mode (Lcd Monitor Off)

    EPSON PhotoPC 850Z Revision A 1.3.5.2 VF Mode (LCD Monitor Off) MANUAL This is the shooting mode with LCD monitor off. Flash Setting Auto / Compulsion / Prohibition / Slow Synchronization / Red-eye reduction FULL AUTO Image Quality Setting Flash Setting...
  • Page 20 EPSON PhotoPC 850Z Revision A Self Timer Function PROGRAM Digital Zoom (x2) Flash Setting Macro / Panorama Auto / Compulsion / Prohibition / Slow Synchronization / Red-eye reduction Sensitivity Setting Image Quality Setting Standard / High / Super High Normal Shooting...

  • Page 21: Confirmation Image

    EPSON PhotoPC 850Z Revision A 1.3.5.4 Confirmation Image 1.3.5.6 Playback Mode CONFIRMATION IMAGE NORMAL REPLAY Image Information Immediately after shooting, users can delete an image while transferring the image to the Compact Flash Memory Card, except for the images that are Date already recorded.

  • Page 22: Time Required For Disposing Images

    EPSON PhotoPC 850Z Revision A 1.3.6 Time Required for Disposing Images 1.3.7.2 Average Number of Pictures Saved into the External Memory Table 1-1. Time Required After Shooting (T.B.D) A captured image file will be compressed by the JPEG method. The number of...

  • Page 23: Interface Connectors And Others

    RXD+ TXD+ TXD+ RXD+ The serial interface is EPSON original for connecting PC/MAC, printer, or modem, and other specifications are not open to the public. DIN C. When connected to a PC/MAC (RS422), the interface is compatible with RS- DIN C2 232C.

  • Page 24: Power

    EPSON PhotoPC 850Z Revision A 1.3.9 Power Table 1-5. Using Circuits (should not be disclosed) To printer and Camera To DOS/V To MODEM BATTERIES Assign. Circuits Circuits Circuits Circuits Four Ni-MH batteries HSKO NOTE: Do not use Mn batteries. RXD-...

  • Page 25: Automatic Shutting Down Mode

    EPSON PhotoPC 850Z Revision A 1.3.11 Automatic Shutting Down Mode SLIDE SHOW This mode does not apply to the 8-bit CPU. In the Slide Show, the camera shuts down after replaying a cycle; however, in the Power Saving Off Mode, the camera does not shut down until battery level becomes low.

  • Page 26: Visual Guidance And Switch Function

    EPSON PhotoPC 850Z Revision A 1.4 Visual Guidance and Switch Function 1.4.1 Information Indicated on the Control LCD Figure 1-3. Top 1.4.1.1 Switch Function Table 1-7. Switch Function Name Function Special Shooting Mode with LCD monitor on. Monitor Shooting Mode...

  • Page 27: Led Condition

    EPSON PhotoPC 850Z Revision A 1.4.1.3 Control LCD Table 1-7. Switch Function Name Function Zoom Lever Optical Zoom Lever (W/T) Operate by 7 buttons independently Rear-function Button (Rear to 8. GUI explanation) Diopter Switch VF (View Finder) Diopter collecting Switch 1.4.1.2 LED Condition...

  • Page 28: Lcd Monitor

    EPSON PhotoPC 850Z Revision A 1.4.1.4 LCD Monitor Table 1-9. Control LCD Functions Name Function LCD monitor displays a different color frame for each function only when shooting in LCD mode and continuous shooting mode are on. Self Timer Indicates when self-timer is set.

  • Page 29: Setting Items

    EPSON PhotoPC 850Z Revision A 1.4.2 Setting Items 1.4.2.1 Full Auto Shooting Mode The following items are sustained in VF mode and Monitor Shooting mode. Table 1-11. Full Auto Shooting Mode (in VF mode and Monitor Shooting mode) Rotary Switch...

  • Page 30: Program Mode

    EPSON PhotoPC 850Z Revision A 1.4.2.2 Program Mode The following items are sustained in VF mode and Monitor shooting mode. Table 1-12. Program Mode (in VF mode and Monitor Shooting mode) Rotary Switch Replace battery When Rotary Switch Shut down by power...

  • Page 31: Manual Mode

    EPSON PhotoPC 850Z Revision A 1.4.2.3 Manual Mode The following items are sustained in VF mode and Monitor shooting mode. Table 1-13. Manual Mode (in VF mode and Monitor Shooting mode) Rotary Switch Replace battery Replace battery When Rotary Switch...

  • Page 32: Attach Products

    EPSON PhotoPC 850Z Revision A 1.5 Attach Products 1.5.1.2 Macintosh Connector Cable Length: 1.5m 1.5.1 Attach Cable Connector: Camera side: 14-pin connector (female) 1.5.1.1 DOS/V Connector Cable PC or Printer Connector: 8-pin mini-DIN (male) Length: 1.5m Printer / MAC Camera...

  • Page 33: Usb Interface Cable

    EPSON PhotoPC 850Z Revision A 1.5.1.3 USB Interface Cable 1.5.1.4 Interface Cable for Video and Audio Length: 1.5m Length: 1.5m Connector: Connector: Camera side: 14-pin connector (female) Camera side: Mini pin PC side: Video side: RCA (yellow) Audio: RCA (white)

  • Page 34: Standard Option

    EPSON PhotoPC 850Z Revision A 1.6 Option 1.6.1 Standard Option AC ADAPTER Model Name: EU-40 Input Voltage: AC 100-240V, 50-60 Hz, 30VA (T.B.D) Output Voltage: DC 7.0V, 2.0A NI-MH BATTERY Model Name: EU-24 Output Voltage: 1.2V / one battery Capacity:...

  • Page 35: Environmental Conditions

    EPSON PhotoPC 850Z Revision A 1.7 Environmental Conditions OPERATIONAL CONDITION AND KEEPING CONDITION Temperature Operating: 5-35 °C Keeping: -20-60 °C Humidity Operating: 30-90% without condensation Keeping: 10-90% without condensation Shock-resistance Keeping: POWER SUPPLY DC input voltage (AC adapter) Min.: DC 2.96V (T.B.D) Max.:...

  • Page 36: Safety And Others

    EPSON PhotoPC 850Z Revision A 1.8 Safety and Others EMI AND SAFETY STANDARD FCC part 15 subpart B class B Canada CSA C108.8 class B Europe EMC Directive 89/ 336/ EEC (CE-marking) EN55022 Class B EN61000-3-2 (using AC adapter) EN61000-3-3 (using AC adapter)

  • Page 37: Inhibitions And Cautions

    EPSON PhotoPC 850Z Revision A 1.9 Inhibitions and Cautions Never see the sun through view finder Keep young children away from the camera, especially watch that the long strap does not cause choking accidents. Never use any AC adapters and batteries other than the approved ones.
  • Page 38      OPERATING PRINCIPLES...

  • Page 39: Operating Principles Overview

    The electric circuit consists of CA1, CA2, SY1, SY2, ST1, TB1, TB2, and PW1 Boards. The table below shows functions of each board. Major component of PhotoPC 850Z consists of electric circuit and the Lens Assy. The figure below shows layout of the major electric boards.

  • Page 40: Operating Principles Of Circuit Boards

    EPSON PhotoPC 850Z Revision A 2.2 Operating Principles of Circuit Boards The figure below shows the block diagram of all boards in PhotoPC 850Z. 64Mbit 64Mbit CA2_BLOCK SDRAM SDRAM 8Mbit 8Mbit Frash Frash Memory Memory Address2 Data2 Data1 Address1 JPEG...

  • Page 41: Ca1 Circuit Description

    EPSON PhotoPC 850Z Revision A 2.2.1 CA1 Circuit Description 2.2.1.1 IC903 (CCD) Specification of the CCD is shown below. CA1 Board consists of the following ICs. Structure IC Configuration Interline Type CCD Image Sensor IC903 (ICX224AK): CCD Imager Optical Size:...
  • Page 42 EPSON PhotoPC 850Z Revision A CCD block diagram and terminals are shown below. For your reference, Ye is Table 2-2. CCD Pin Description the Yellow detection cell, Mg is the Magenta detection cell, CY is the Cyan detection cell, and G is the Green detection cell.

  • Page 43: Ic902 (H Driver) And Ic904 (V Driver)

    EPSON PhotoPC 850Z Revision A 2.2.1.2 IC902 (H Driver) and IC904 (V Driver) Table 2-2. CCD Pin Description (Continued) Pin No. Symbol Pin Description Waveform Voltage H Driver (IC902) and V Driver (IC904) are necessary to generate the clocks (vertical transfer clock, horizontal transfer clock, and electronic shutter clock) φSUB...

  • Page 44: Lens Drive Block

    EPSON PhotoPC 850Z Revision A 2.2.1.3 Lens Drive Block Shutter Drive The shutter drive signal (PCTRL) which is output from the ASIC expansion Input Buffer port (IC108) is moved regular current drive for shutter, and the shutter XSHT plunger is opened and closed.

  • Page 45: Ca2 Circuit Description

    EPSON PhotoPC 850Z Revision A 2.2.2 CA2 Circuit Description The optical black section of the CCD averaged value for each line is taken as the sum of the value for the previous line multiplied by the coefficient k and the value for the current line multiplied by the coefficient 1-k.
  • Page 46 EPSON PhotoPC 850Z Revision A SIGNAL PROCESSOR TG/SG γ Correction Circuit Timing generated for 2 million pixel CCD control. This circuit performs (gamma) correction in order to maintain a linear relationship between the light input to the camera and the light output from DIGITAL ENCODER the picture screen.

  • Page 47: Operation Outline

    EPSON PhotoPC 850Z Revision A 2.2.2.2 Operation Outline 2.2.2.3 LCD Block When the shutter opens, the reset signals (ASIC and CPU) and the serial While monitoring, YUV conversion is carried out for the 10-bit CCD data which signals (“Take a picture” commands) from the 4-bit microprocessor are input is input from the A/D conversion block to the ASIC and is then transferred to and operation starts.

  • Page 48: Pw1 Power Circuit Description

    EPSON PhotoPC 850Z Revision A 2.2.3 PW1 Power Circuit Description 2.2.3.1 Outline This is the main power circuit comprising of the following blocks: Switching controller (IC501) Digital 5V and analog system power output (T5001, Q5001) Digital 3.25V system power supply (Q5007)

  • Page 49: Switching Controller (Ic501)

    EPSON PhotoPC 850Z Revision A 2.2.3.2 Switching Controller (IC501) This is the basic circuit which is necessary for controlling the power supply for a PWM-type switching regulator, and it is provided with four built-in channels. Only CH1 (digital 5V, analog system), CH3 (LCD system), CH2 (digital 3.25V), and CH4 (backlight) are used.

  • Page 50: Pw1 Strobe Circuit Description

    EPSON PhotoPC 850Z Revision A 2.2.4 PW1 Strobe Circuit Description However, when the CHG signal is Low (0V), the charging circuit does not operate. 2.2.4.1 Charging Circuit When UNREG power is supplied to the charge circuit and the CHG signal becomes High (3.3V), the charging circuit starts operating and the main...

  • Page 51: Light Emission Circuit

    EPSON PhotoPC 850Z Revision A 2.2.4.2 Light Emission Circuit POWER SWITCH When RDY and TRIG signals are input from the ASIC expansion port, the When the CHG signal switches to High, Q5406 turns ON and the charging stroboscope emits light.

  • Page 52: Sy1 Circuit Description

    EPSON PhotoPC 850Z Revision A 2.2.5 SY1 Circuit Description The 8-bit microprocessor handles the following functions: Operation key input 2.2.5.1 Configuration and Functions Mode LCD display Refer to the block diagram for the overall configuration of the SY1 circuit board.
  • Page 53 EPSON PhotoPC 850Z Revision A Table 2-3. 8-bit Microprocessor Port Specification (Continued) Table 2-3. 8-bit Microprocessor Port Specification Signal Name Outline Signal Name Outline BARRIER M - Barrier motor drive signal, H: ON CHG VOL Strobe charge coltage input (analog input)

  • Page 54: Internal Communication Bus

    EPSON PhotoPC 850Z Revision A 2.2.5.2 Internal Communication Bus Table 2-3. 8-bit Microprocessor Port Specification (Continued) Signal Name Outline The SY1 circuit board carries out overall control of camera operation by detecting the input from the keyboard and the condition of the camera circuits.

  • Page 55: Key Operation

    EPSON PhotoPC 850Z Revision A 2.2.5.3 Key Operation 2.2.5.4 Power Supply Control For details of the key operation, refer to the instruction manual. The 8-bit microprocessor controls the power supply for the overall system. The following is a description of how the power supply is turned on and off.
  • Page 56 EPSON PhotoPC 850Z Revision A Table 2-5. Power Supply Control (Continued) Sparc Drive/ 8bit Mode ASIC Memory Lite Receiver Monitor Power Switch ON - Auto 4MHz Power Down Shutter → 4MHz Switch ON Resolution, Flash, Self 4MHz Timer Switch ON...
  • Page 57      TROUBLESHOOTING...

  • Page 58: Troubleshooting

    This section shows the procedure for checking malfunctioning unit or parts by 3.1.1 Error Indications each abnormal symptom. PhotoPC 850Z has a function to indicate an error with LED as shown in the 3.2.1 Camera Has No Power table below, but it does not indicate the detailed cause of the error.

  • Page 59: No Shooting

    EPSON PhotoPC 850Z Revision A 3.2.3 Image Cannot be Taken Table 3-2. Check points when the camera has no power Checking Check Point Judgement Solution Table 3-4. Image Cannot be Taken Order Checking Check 80-pin (XIN) oscillation Check Point Judgement Solution Check X3001.

  • Page 60: Disassembly And Assembly

         DISASSEMBLY AND ASSEMBLY...

  • Page 61: Overview

    Required Adjustment Maintenance This section describes disassembly and assembly procedures for the major 1. Initialization components of PhotoPC 850Z. Since assembly of this camera is relatively complicated, procedures for disassembly and assembly are explained 2. AWB adjustment individually. CA1 Board 3.

  • Page 62: Equipment And Tools

    EPSON PhotoPC 850Z Revision A 4.1.2 Equipment and Tools Table 4-1. Criterion for First and Second Maintenance Replaced Part Required Adjustment Maintenance The tables below show the recommended tools for repair service. Ditto 2nd Maintenance Table 4-2. Equipment LCD Monitor...
  • Page 63 EPSON PhotoPC 850Z Revision A Table 4-3. Tools Name Availability Code Soldering Iron B740200100 Tweezers B741000100 Note: O: Commercially available. X: Not commercially available. The host computer used for adjustment must meet the following specifications: PC/AT compatible with 80486 or higher processor...

  • Page 64: Diassembly And Assembly

    EPSON PhotoPC 850Z Revision A 4.2 Diassembly and Assembly Read 4.1.1 “Precautions” before starting disassembly. When disassembling the camera, follow the number Flow chart below shows disassembly procedure. shown in each figure. Assembly of the camera can be achieved by simply following the reverse order of START disassembly procedure;...

  • Page 65: Removal Of Cabinet Parts

    EPSON PhotoPC 850Z Revision A 4.2.1 Removal of Cabinet Parts This section shows disassembly of Cabinet Assembly (Front, Rear, and Top) and Holder Terminal. When removing the parts, be sure to follow the number shown in the figure. 19. Screw 6.

  • Page 66: Discharging Electricity From Capacitor

    EPSON PhotoPC 850Z Revision A 4.2.1.1 Discharging Electricity from Capacitor The following shows how to discharge the electricity from the electrolytic capacitor (C5412) on the PW1 Board. Failure to perform this will lead to a high chance of getting electric shock. Follow the steps below.

  • Page 67: Removal Of Sy1 Board And Holder Battery

    EPSON PhotoPC 850Z Revision A 4.2.2 Removal of SY1 Board and Holder Battery If you removed the Lens VF, make sure to adjust the This section describes how to remove the SY1 Board and Holder Battery. Be position of gears when assembling the camera (see 4.3.2 sure to follow the number shown in the figure below.

  • Page 68: Removal Of Sy2 Board, Lcd, And Ca2 Board

    EPSON PhotoPC 850Z Revision A 4.2.3 Removal of SY2 Board, LCD, and CA2 Board If you removed the Spacer Monitor, use a brand-new Spacer Removal of the SY2 Board, LCD, and CA2 Board is described here. Follow the Monitor for assembly (see 4.3.5 “Installation of LCD”).

  • Page 69: Removal Of Pw1 Board And Ca1 Board

    EPSON PhotoPC 850Z Revision A 4.2.4 Removal of PW1 Board and CA1 Board This section describes removal of the PW1 Board and the CA1 Board. Follow the number shown in the figure below. Figure 4-6. Removal of PW1 Board and CA1 Board...

  • Page 70: Assembly Procedure

    EPSON PhotoPC 850Z Revision A 4.3 Assembly Procedure 4.3.1 Assembly of Lens Assy. 1. Make sure that there is no dust or scar on the filter surface. If necessary, wipe the surface with a cloth damped with diluted alcohol, and install the filter into the holder of the Lens Assy.

  • Page 71: Assembly Of Lens Vf

    EPSON PhotoPC 850Z Revision A 4.3.2 Assembly of Lens VF 1. Affix Spacer VF (3) on the Lens VF (1). 2. Insert a pin 1.1mm in diameter into holes of the Gear and the Holder Chassis. 3. Turn the gray Gear of the Lens VF clockwise (when seen from the back of the camera) till it stops, and install the Lens VF on the Chassis.

  • Page 72: Installation Of Lens Assy

    EPSON PhotoPC 850Z Revision A 4.3.3 Installation of Lens Assy. Hole of the 1. Affix the DEC Lens (2) on the Lens Assy. (1). Chassis Hole of Chassis the Gear NOTE: Align the mark (groove) on the DEC Lens with that of the Lens Assy.

  • Page 73: Installation Of Ca2 Board

    EPSON PhotoPC 850Z Revision A 4.3.4 Installation of CA2 Board Fixing Hook for CA2 1. Install the Lens Assy. (see 4.3.1 “Assembly of Lens Assy.”). 2. Connect the FPC (1) to Connectors CN101 of the CA1 Board and CN901 of the CA2 Board (2) (see Figure 4-11).

  • Page 74: Installation Of Lcd

    EPSON PhotoPC 850Z Revision A 4.3.5 Installation of LCD 4.3.5.1 Installation of Spacer Monitor 1. Attach 3 Spacer Monitors S (1) on both sides of the LCD Monitor. 2. Attach a Spacer Monitor L (2) on the LCD Monitor. Spacer Monitor should not cover any part of the LCD surface.

  • Page 75: Installation Of Lcd

    EPSON PhotoPC 850Z Revision A 4.3.5.2 Installation of LCD 3. Connect the FPC of the LCD (1) to CN171 of the PW1 Board. 4. Install the LCD on the Holder Monitor. 1. Install the CA2 Board (see 4.3.4 “Installation of CA2 Board”).

  • Page 76: Installation Of Door Monitor

    EPSON PhotoPC 850Z Revision A 4.3.5.3 Installation of Door Monitor 6. Connect the harness of the LCD to CN503 of the PW1 Board, and arrange the harness as shown in Figure 4-14. 1. Attach the Spacer Monitor (1) to the Holder Monitor.

  • Page 77: Installation Of Microphone And Sy2 Board

    EPSON PhotoPC 850Z Revision A 4.3.6 Installation of Microphone and SY2 Board Twist the harness of the 1. Install the LCD Monitor (see 4.3.5 “Installation of LCD”). Microphone and push it in between the SY2 and CA2. 2. Install the Microphone (2) on the SY2 Board.

  • Page 78: Installation Of Speaker

    EPSON PhotoPC 850Z Revision A 4.3.7 Installation of Speaker 1. Install the SY2 Board (see 4.3.6 “Installation of Microphone and SY2 Board). CN181 2. Attach the Spacer Speaker B (2) and the Speaker (3) to the Holder Speaker (1). 3. Attach the Spacer Speaker F (4) to the Holder Speaker.

  • Page 79: Installation Of Holder Chassis B

    EPSON PhotoPC 850Z Revision A 4.3.8 Installation of Holder Chassis B Note: Be careful not to pinch 1. Install the SY2 Board (see 4.3.6 “Installation of Microphone and SY2 the FPC of the Lens Assy. Board). with this part. 2. Install the Earth Terminal (1) on the right side of the Holder Chassis.

  • Page 80: Installation Of Holder Battery

    EPSON PhotoPC 850Z Revision A 4.3.9 Installation of Holder Battery 1. Install the Holder Chassis B (see 4.3.8 “Installation of Holder Chassis B). 2. Insert the Spacer CF (3) between the CA2 Board and the Socket CF. NOTE: There is a certain direction for inserting the Spacer CF. Refer to Figure 4-19 for the correct direction.

  • Page 81: Assembly Of Cover Top

    EPSON PhotoPC 850Z Revision A 4.3.10 Assembly of Cover Top 4.3.11 Installation of SY1 Board 1. Install the ST1 Board (1) on the back of the Cover Top, and fix it with one 1. Install the Holder Chassis B (see 4.3.8 “Installation of Holder Chassis B”).

  • Page 82: Installation Of Unit Dial And Cover Top

    EPSON PhotoPC 850Z Revision A 4.3.12 Installation of Unit Dial and Cover Top 1. Install the Holder Battery (see 4.3.9 “Installation of Holder Battery”). 2. Install the SY1 Board (see 4.3.11 “Installation of SY1 Board”). Note: Note: Match the protrusion on Insert the rib on the Unit 3.

  • Page 83: Assembly Of Cabinet Front

    EPSON PhotoPC 850Z Revision A 4.3.13 Assembly of Cabinet Front Lubrication Lubrication 4.3.13.1 Assembly of Lens Barrier 1. Apply grease to holes of the Cover Lens A (1) and Cover Lens B (2) (see Chapter 6). 2. Install the Spring Cover Lens (3) on the Cover Lens A.
  • Page 84 EPSON PhotoPC 850Z Revision A 6. Apply grease on the Gear Cam Barrier (3) (see Chapter 6). 8. Install the Compl Holder Barrier on the Cover Front Barrier (1) aligning their screw holes. 7. Install the Gear Cam Barrier on the Holder Gear Cam using the hooks of the Holder Gear Cam.
  • Page 85 EPSON PhotoPC 850Z Revision A 10. Fix the Compl Holder Gear on the Compl Holder Barrier with 2 special screws (1.7x2.5) (1). (Tightening torque: 0.6 ~ 1.0kgf-cm) Figure 4-26. Installation of Compl Holder Gear Figure 4-27. Installation of Compl Holder Barrier and 11.

  • Page 86: Installation Of Cabinet Back

    EPSON PhotoPC 850Z Revision A 4.3.14 Installation of Cabinet Back 1. Connect the harness of the ST1 Board to CN104 of the CA2 Board. Twist the harness slightly and place it inside of the camera. 2. Affix the Pad (5) on the shield plate of the CA2 Board.

  • Page 87: Installation Of Cabinet Front

    EPSON PhotoPC 850Z Revision A 4.3.15 Installation of Cabinet Front 5. Fix the left side of the Cabinet Front with 2 screws (1.7x4.0) (2). (Tightening torque: 1.0 ~ 1.4kgf-cm) 1. Connect the harness of the Holder Motor Barrier to CN981 of the PW1 Board.

  • Page 88: Installation Of Door Card

    EPSON PhotoPC 850Z Revision A 4.3.16 Installation of Door Card Be sure to use screws (3) with a designated length to fix the 1. Install the Cabinet Back (see 4.3.14 “Installation of Cabinet Back”). Door Card. Use of 1.7x5 screws may cause distortion of the Cover Battery, and may eventually make it impossible to 2.

  • Page 89: Adjustment

         ADJUSTMENT...

  • Page 90: Overview

    5.1 Overview 5.1.2 Getting Ready for Adjustment 5.1.2.1 System Requirements This section explains various adjustments required for PhotoPC 850Z. Refer to the following items, and perform appropriate adjustment if the corresponding Windows 95 or 98 parts have been replaced during the disassembly and assembly procedures, or IBM R-compatible PC with 486 or higher processor if you find the adjustment is beneficial to the product’s quality.

  • Page 91: Connecting Camera To Computer

    EPSON PhotoPC 850Z Revision A 5.1.3 Connecting Camera to Computer 3. Line up the arrow on the cable connector with the notch on the camera’s serial port. Insert the connector. 1. Turn off both camera and computer. 4. Line up the serial connector on the cable with one of the serial ports on the 2.

  • Page 92: Adjustment

    Unlike the previous models, even after the initialization is performed, various adjustment values are not cleared in PhotoPC 850Z. Only the image storage area is cleared. Make sure to perform initialization. An error may occur if uploading such as firmware is performed with the image area full of shooting data.

  • Page 93: Positions For Measuring And Adjusting On Pw1 Board

    EPSON PhotoPC 850Z Revision A 5.2.2 Positions for Measuring and Adjusting on 5.2.2.1 Preparation PW1 Board 1. Remove the shield case of Side A on the PW1 Board. It is not necessary to perform this adjustment when replacing the entire PW1 2.

  • Page 94: L) Voltage Adjustment

    EPSON PhotoPC 850Z Revision A 5.2.2.5 12.4V (L) Voltage Adjustment Measuring Point: CL534 Measuring Equipment: Digital Voltmeter ADJ. Location: VR504 ADJ. Value: 12.40 ± 0.05V Adjusting Method: Adjust with VR504 to 12.40 ± 0.05V. 5.2.2.6 7.7V (L) Voltage Adjustment Measuring Point:...

  • Page 95: Awb Adjustment

    EPSON PhotoPC 850Z Revision A 5.2.3 AWB Adjustment If “a0=65535, 65535, 65535, 1203” is displayed on the screen, an error has occurred. PREPARATION Power Switch: ON Serial cable Camera 0 - 18 cm All white pattern Color viewer (5,100K) Figure 5-5. AWB Adjustment ADJUSTING METHOD 1.

  • Page 96: Color Matrix Adjustment

    EPSON PhotoPC 850Z Revision A 5.2.4 Color Matrix Adjustment In case of error, UVMATO-3 shows all “1”. By performing this adjustment, it is also possible to check PREPARATION operations of the Lens Assy. 1. u3 = “0”: Normal Power Switch: ON 2.

  • Page 97: Lens Adjustment

    EPSON PhotoPC 850Z Revision A 5.2.6 Lens Adjustment ADJUSTING METHOD 1. Set the Siemens Start Chart 150cm ± 3cm away so that it comes in the PREPARATION center of the screen. Power Switch: ON 2. Double-click DscCalV122. 3. Click Focus, and click Yes.

  • Page 98: Lcd Panel Adjustment [Ca2 Board (Side A)]

    EPSON PhotoPC 850Z Revision A 5.2.7 LCD Panel Adjustment [CA2 Board (Side A)] 5.2.7.1 LCD H AFC Adjustment PREPARATION Power Switch: ON CL403 CL404 CL405 Figure 5-9. Adjustment Frame Figure 5-8. Measuring Points ADJUSTING METHOD 1. Double-click DscCalV122. 2. Select “0” on the LCD “H AFC”.

  • Page 99: Lcd Rgb Offset Adjustment

    EPSON PhotoPC 850Z Revision A 5.2.7.2 LCD RGB Offset Adjustment 5.2.7.3 LCD Gain Adjustment ADJUSTING METHOD ADJUSTING METHOD Adjust LCD “RGB Offset” so that the amplitude of the CL403 waveform Adjust LCD “Gain” so that the amplitude of the CL403 waveform reaches 4.0 reaches 7.5 Vp-p ±...

  • Page 100: Lcd Blue Brightness Adjustment

    EPSON PhotoPC 850Z Revision A 5.2.7.4 LCD Blue Brightness Adjustment 5.2.7.5 LCD Red Brightness Adjustment ADJUSTING METHOD ADJUSTING METHOD Adjust LCD “B Bright” so that the amplitude of the CL405 waveform becomes Adjust LCD “R Bright” so that the amplitude of the CL404 waveform becomes ±...

  • Page 101: Uploading Firmware

    (if the SY1 Board Adjustment”). has been removed, LED does not blink). 2. Save the firmware provided by SEIKO EPSON in the appropriate hard disk (firmware is usually bin. file and compressed). If the power supply stops or the serial communication 3.

  • Page 102: Maintenance

         MAINTENANCE...

  • Page 103: Overview

    After applying grease to the specified parts, wait at least 30 seconds before proceeding to the next assembly step PhotoPC 850Z requires no specific maintenance such as lubrication or as it takes a while for the grease to dry. cleaning on a regular basis except when the parts shown below are replaced.
  • Page 104 EPSON PhotoPC 850Z Revision A Table 6-2. Check Points Check Points Check Is the rubber cover, which covers various connectors and serial connector, installed at in the rear cabinet correctly? Does the each panel switch work normally? Does the lens barrier work normally?

  • Page 105: Appendix

         APPENDIX...

  • Page 106: 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 108: 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 109 EPSON PhotoPC 850Z Revision A ca2patter Figure 7-2. CA2 Circuit Board Appendix Circuit Boards Component Layout...
  • Page 110 EPSON PhotoPC 850Z Revision A Figure 7-4. SY2 Circuit Board Figure 7-3. SY1 Circuit Board Appendix Circuit Boards Component Layout...
  • Page 111 EPSON PhotoPC 850Z Revision A Figure 7-5. PW1 Circuit Board Appendix Circuit Boards Component Layout...
  • Page 112 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 113: Exploded Diagram

    EPSON PhotoPC 850Z Revision A 7.3 Exploded Diagram Exploded diagrams are shown on the following pages. Appendix Exploded Diagram...
  • Page 114 CABINET 1 SR922/JEP Parts List-1...
  • Page 115 CABINET 2 27 28 SR922/JEP Parts List-2...

  • Page 116: 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 124: 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 126 CABINET 1 Photo Pc 850 No.01 10149 Rev.01 SR922/JEP Parts List-1...
  • Page 127 CABINET 2 27 28 Photo Pc 850 No.02 10149 Rev.01 SR922/JEP Parts List-2...

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