Kowa AP-7000 Service Manual
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Kowa AP-7000 Service Manual

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GG-11008
Edition 1.2
Edition 1.2
November 2012
Model Name: FT10

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Summary of Contents for Kowa AP-7000

  • Page 1 GG-11008 Edition 1.2 Edition 1.2 November 2012 Model Name: FT10...

  • Page 2: Table Of Contents

    GG-11008 Edition 1.2 Contents 1. Packaging ..................... 2 2. Removing Cover ................... 3 3. Replacing Parts .................... 4 General views (internal) ......................4 ―Replacement parts list― ..................... 5 ―Replacing main board―...................... 6 ―Initial data processing― ..................... 6 ―Replacing switching power supplies― ................7 ―Replacing camera―......................

  • Page 3: Packaging

    GG-11008 Edition 1.2 1. Packaging (1) Place bubble wrap on the bottom Place a sheet of bubble wrap of approximately 520mm×780mm on the bottom of the packing carton (Figure 1). (2) Cover the main unit with a bubble wrap bag and put it in the packing carton Cover the main unit with a bubble wrap bag and put it in the packing carton prepared in step (1) above (Figure 2).

  • Page 4: Removing Cover

    GG-11008 Edition 1.2 2. Removing Cover (1) Remove the right-side cover Remove five screws and remove the cover. Be careful of #9530 connected through the harness (Figure 7). Figure 7 (2) Remove the left-side cover Remove five screws and remove the cover (Figure 8). Figure 8 (3) Remove the center cover Remove six screws and remove the cover (Figure 9).

  • Page 5: Replacing Parts

    GG-11008 Edition 1.2 3. Replacing Parts General views (internal) *For details, see the replacement parts list. Background LEDs (yellow) Monitor Background LEDs (white) Background Main board intensity sensor Switching power supply (2) Stimulus lamp Switching power supply (1) Board PC Fuses Stimulus intensity sensor Camera boards (1), (2) and (3)

  • Page 6: Replacement Parts List

    GG-11008 Edition 1.2 Before replacing parts, be sure to switch the main unit power OFF and disconnect the power cable from the receptacle outlet. ―Replacement parts list― Switching power Switching power Main board Camera board (1) supply (1) supply (2) FT10_9510 PM201-12B PM60-12A...

  • Page 7: Replacing Main Board

    GG-11008 Edition 1.2 ―Replacing main board― When replacing the main board (FT10_9510), disconnect cables from connectors, loose 10 screws and remove the board (Figure 11). After replacing the main board, be sure to reconnect the cables to the right destinations (see the wiring diagram). Note: The main board holds the initial data.

  • Page 8: Replacing Switching Power Supplies

    GG-11008 Edition 1.2 Rewriting data Start the AP-7000 jig mode with the main board mounted. Select [Hardware setting]→[System] and select [Configured data preservation] (Figure 13 (1)) to create FTflashTmp.ini. After replacing the main board, select [Configured data reading] (Figure 13 (2)) in jig mode, select [Save and Exit] and start AP-7000.

  • Page 9: Replacing Camera

    GG-11008 Edition 1.2 ―Replacing camera― (1) Disconnect the cable, loosen screws and remove the camera Disconnect the cable, loosen two screws and remove the camera unit (Figure 15). Figure 15 (2) Adjust the camera After replacing the camera, temporarily fix it because adjustment is required. Switch the main unit power (be careful of electric shock) and move the camera back and forth for focusing while viewing the monitor.

  • Page 10: Replacing Stimulus Intensity Sensor

    GG-11008 Edition 1.2 ―Replacing stimulus intensity sensor― (1) Remove the stimulus intensity sensor together with its supporting plate The stimulus intensity sensor is positioned under the left dome viewed from the chin rest side. Remove the stimulus intensity sensor connector, loosen two screws of the bottom plate, and remove the unit (Figure 19).

  • Page 11: Replacing Speaker

    GG-11008 Edition 1.2 ―Replacing speaker― (1) Remove the speaker The speaker is positioned on the upper-right side viewed from the chin rest. Disconnect the connector connected to the board PC, loosen two screws and remove the fixing plate (Figure 22). Figure 22 ―Replacing board PC―...

  • Page 12: Replacing Monitor

    GG-11008 Edition 1.2 ―Replacing monitor― (1) Remove the monitor unit The monitor unit is positioned on the right side viewed from the chin rest. Remove the connector from the board (Figure 25) on the rear side of the monitor unit, loosen four screws and remove the monitor unit (Figure 26).

  • Page 13: Replacing Stimulus Lamp

    GG-11008 Edition 1.2 ―Replacing stimulus lamp― Before replacing the lamp, be sure to switch the main unit power OFF and disconnect the power cable from the receptacle outlet. Wait approximately 20 minutes, check that the lamp is cooled and start the lamp replacement. (1) Open the cover Turn the stud counterclockwise with a slotted screwdriver and remove the stimulus lamp cover (Figure 27).

  • Page 14: Replacing Background Leds

    GG-11008 Edition 1.2 ―Replacing background LEDs― Before replacing the lamp, be sure to switch the main unit power OFF and disconnect the power cable from the receptacle outlet. Wait approximately 20 minutes, check that the lamp is cooled and start the lamp replacement.

  • Page 15: Replacing Fuses

    GG-11008 Edition 1.2 ―Replacing fuses― (1) Remove the fuse case Disconnect the power cable and, using a slotted screwdriver, pull the AC inlet fuse case to this side to remove it (Figures 34 and 35). Figure 34 Figure 35 (2) Replace the fuses Replace the fuses and put the fuse case into the AC inlet (Figure 36).

  • Page 16: Error Messages And Corrective Actions

    OFF and ON. Cannot initialize the motor The motor cannot be initialized. Switch the power OFF and ON. If this message still appears, contact Kowa or your Kowa dealer. Motor error (motor name) Motor or motor's sensor error.
  • Page 17 The remained memory of the drive This message appears when the remaining free space of is less than 5% the data save drive is less than 5 % at the time of KOWA AP –7000 startup or search result save. Cannot set the background The head band may be blocking the sensor in the dome.
  • Page 18 Cannot assign the bitmap memory Reactivate the application to set it Settings have been made to link up with a card reader or effectively filing system KOWA VK Series. Restart the instrument to allow the changed settings to take effect. - 17 -...
  • Page 19 GG-11008 Edition 1.2 Examination screen Messages Causes and corrective actions Darken the room The room is deemed to be too bright to perform an examination. Adjust the luminance of the room to be the same as that when the instrument is started. Can not recognize the patient's [Start] has been pressed when the patient’s chin does not eye.
  • Page 20 [Cancel] and [Save] in this order. Not to save, press [OK] and proceed with the operation. The data has been properly copied Data read has been normally completed from Kowa automatic perimeter “AP–6000,” “AP–5000,” or “AP– 3000” to “AP–7000.”...

  • Page 21: Cleaning Optical System And Adjusting Mirror

    GG-11008 Edition 1.2 5. Cleaning Optical System and Adjusting Mirror * Lenses to be cleaned are shown in Figure 37. Never remove parts not specified. Figure 37 ―Cleaning lens in section A― Pull out the lamp and remove the lens frame and mirror holder Pull out the lamp together with its holder, remove the lens frame by loosening two screws and remove the mirror holder by loosening two screws (Figure 38).

  • Page 22: Cleaning Lenses In Section B

    GG-11008 Edition 1.2 Clean and remount Wipe the both sides of the lamp. Do not further disassemble the lens frame and mirror holder. Wipe both sides of the lens (Figure 39) and one side of the mirror (Figure 40). Remount them in the reverse order and bond the cover with Super-X, etc.

  • Page 23: Cleaning Section C

    GG-11008 Edition 1.2 ―Cleaning section C― (1) Remove the mirror Remove the mirror in section C and clean it (two screws, Figure 43). Note: If the mirror in section C is removed, readjustment is required. If possible, clean the mirror with a blower, etc. without disassembling. Figure 43 (2) Wipe the protection glass and mirror Wipe side (6) in section B, the protection glass and the removed mirror (Figure 44).

  • Page 24: Cleaning Other Parts

    GG-11008 Edition 1.2 (3) Remove cylindrical unit mirrors Loosen four screws and remove two light shielding plates next to the cylindrical unit. Loosen three screws and remove the cylindrical unit. At this time, securely hold the cylindrical unit so that its direction is not changed by the cable (Figure 45). Figure 45 (4) Wipe two mirrors and lens Wipe the mirror from the inside of the removed mirror unit and wipe both sides of the lens...

  • Page 25: Adjusting Mirror

    GG-11008 Edition 1.2 ―Adjusting mirror― *Procedures in this section are required only when the mirror in section C is moved. (1) Start the jig software Start the jig software (see Section 6. "Using Jig Software) and start [Rotary motor setting] of [Setting mode].
  • Page 26 GG-11008 Edition 1.2 (3) Adjust the mirror Adjust the mirror using four screws (Figure 51) so that the red round light described in (2) is emitted to the center of it. After adjustment, check that the screws are tightened and secure them with locking screws.

  • Page 27: Using Jig Software

    AP-7000. This document is an appendix to FT10 Assembly, Adjustment and Inspection Standards and Procedure Manual (GF-10027). The jig software for FT10 is incorporated in the AP-7000 software and can be used in the same way as it (using a touch pen). FT10 configuration is as shown below.

  • Page 28: Starting And Exiting

    [Exiting] 1) Press the sub-power switch. 2) When message "Do you wish to exit the Kowa AP-7000?" is displayed, select OK. 3) In approximately 20 seconds, the screen displays nothing or it displays "It is now safe to turn off your computer" on a black background 4) Check that the power lamp is lit in orange (STANDBY) and set the power switch OFF (turn to ...
  • Page 29 GG-11008 Edition 1.2 Initialization error messages Messages Causes and corrective actions Cannot initialize the motor The number enclosed in parentheses is the No. of (number) the motor that has failed in initialization. Set the power switch OFF and check the harness connection, wirings and motor operation.
  • Page 30 The background intensity cannot be set. The room is assumed to be too bright. Reduce the room brightness to the same level as that of starting AP-7000. Resets the intensity. Darken the room and perform this operation. Cancel: 2. Same as Cancel in above 2.

  • Page 31: Description Of Menus

    GG-11008 Edition 1.2 6-3 Description of Menus 6-3.1 Jig mode Menu Jig mode contains three items: 1) PC setting 2) Hardware setting 3) Version Up Pressing PC setting or Hardware setting button opens the related menu screen. Pressing Upgrading button starts the upgrading application. Figure 53 Jig software menu screen 6-3.2 PC setting 1) My Computer...
  • Page 32 GG-11008 Edition 1.2 Select the language used and location from the Regional Options tab and select the language used for menus and dialogs from the Languages tab. From the Advanced tab, select the language for programs not available in Unicode. 9) Safe disassembly of the hardware Allows to safely disconnect a hardware device.
  • Page 33 GG-11008 Edition 1.2 6-3.3 Hardware setting First, the motors are initialized. While the initialization message is being displayed, the buttons are inactive. The message disappears when the initialization has completed. Pressing Setting mode, Measurement mode or System button opens the related menu screen. * Notes: Pressing Save and Exit saves the current settings in the flash ROM of the main board and opens the base menu screen.
  • Page 34 GG-11008 Edition 1.2 6-3.3.1 Setting mode Setting mode contains seven items: • Motor setting • Origin position setting • Focus setting • Stimulus brightness setting • Background brightness setting • Fixation LED brightness setting • Infrared LED brightness setting Pressing OK returns to the jig software menu screen. Pressing one of item buttons opens the setup screen for the item.
  • Page 35 GG-11008 Edition 1.2 6-3.3.1.1 Rotary motor setting Adjust the five motors: • Size • Color • ND 1 • ND 2 • Shutter 1) Each motor moves to the set origin position. The screen shows the motor setup values at the center.
  • Page 36 GG-11008 Edition 1.2 6-3.3.1.2 Origin position setting Adjust the two motors (horizontal and vertical) and set the origin. 1) Each motor moves to the set origin. The screen shows the motor setup values at the center. The stimulus lamp goes lit and the shutter opens. Left std. is selected. 2) Using the right and left arrow buttons on the right side of the screen, adjust the stimulus so that it is positioned at the dome center LED while checking visually.
  • Page 37 GG-11008 Edition 1.2 6-3.3.1.3 Focus setting Adjust the focus motor. 1) The stimulus appears in the vicinity of the dome center (upper right). The stimulus size initial value is I (minimum). The screen shows the focus motor setup values at the center. 2) Pressing one of stimulus position buttons Center, Lower left or Upper right presents the stimulus of the size selected in the related stimulus position.
  • Page 38 GG-11008 Edition 1.2 6-3.3.1.4 Stimulus brightness setting Adjust the stimulus intensity and stimulus intensity measurement sensor position. Perform the adjustment in a dark room or cover the dome front side with a blackout curtain for adjustment. 1) The stimulus appears below near the dome center ((r,θ)=(2,270)). The stimulus size is V. The screen shows the lamp power, intensity and sensor position setup values at the center.
  • Page 39 GG-11008 Edition 1.2 6-3.3.1.5 Background brightness setting Adjust the background intensity. Perform the adjustment in a dark room or cover the dome front side with a blackout curtain for adjustment. 1) The screen shows the background color, LED power and setup intensity value on the left side.
  • Page 40 GG-11008 Edition 1.2 6-3.3.1.6 Fixation LED brightness setting Adjust the fixation LED intensity. Perform the adjustment in a dark room or cover the dome front side with a blackout curtain for adjustment. 1) The screen shows the fixation LED intensity setup value at the center. LED brightness is the current fixation LED intensity and Old brightness is the current setup fixation LED intensity.
  • Page 41 GG-11008 Edition 1.2 6-3.3.1.7 Infrared LED brightness setting Adjust the infrared LED intensity. Perform the adjustment in a dark room or cover the dome front side with a blackout curtain for adjustment. 1) The screen shows the current infrared intensity setup values at the center. Center button is selected and the central infrared LED goes lit.
  • Page 42 GG-11008 Edition 1.2 6-3.3.2 Measurement mode Measurement mode contains six items: 1) Filter check 2) Stimulus position check 3) Angle of field check 4) Stimulus/background brightness check 5) Chin stand/sensor check 6) Fixation LED check Pressing Exit returns to the jig software menu screen. Pressing one of item buttons opens the setup screen for the item.
  • Page 43 GG-11008 Edition 1.2 6-3.3.2.1 Filter check Check four motors (ND1, ND2, color and size). Standards Test procedure Tools Filters and stimulus plate Perform the test in a dark room or cover the dome Visual check shall be mounted at front side with a blackout curtain for the test. For correct positions.
  • Page 44 GG-11008 Edition 1.2 6-3.3.2.2 Stimulus Position check Check the stimulus position and focus. Standards Test procedure Tools Within ±1° at points B to E 1) Put the stimulus position examination jig to the Stimulus position dome internal surface, press buttons A to I Within ±2°...
  • Page 45 GG-11008 Edition 1.2 6-3.3.2.3 Angle of field check Check that the stimulus is visible with view angle 40° or more. Standards Test procedure Tools The presented stimulus Visual check Press sequentially buttons A to L and check that all shall be visible in the stimuli projected to stimulus positions for A to L are periphery with view angle visible.
  • Page 46 GG-11008 Edition 1.2 6-3.3.2.4 Stimulus/background brightness check Check the background intensity, stimulus intensity and stimulus size. The screen shows background ON / OFF buttons and White / Yellow buttons on the left side, stimulus projection position buttons at the center, the current stimulus intensity [dB] on the right side and the stimulus intensity up/down arrow buttons at the right end.
  • Page 47 GG-11008 Edition 1.2 (2) Stimulus maximum intensity Standards Test procedure Tools (Standard value) ±20% Perform the test in a dark room or cover the dome Intensity front side with a blackout curtain for the test. meter See the table below for standard values and Perform this test after setting the intensity (see tolerances...
  • Page 48 GG-11008 Edition 1.2 Stimulus measurement intensities, measurement points, standard values and tolerances Intensity [dB] Measurement Standard values MIN[cd/m MAX[cd/m positions [cd/m 2,528 2,023 3,034 2,008 1,607 2,410 1,595 1,276 1,914 1,267 1,014 1,521 1,007 1,208 50.5 40.4 60.5 31.8 25.5 38.2 12.7 10.1...
  • Page 49 GG-11008 Edition 1.2 6-3.3.2.5 Chin stand/sensor check Check the chin rest, lens frame, response switch and infrared LED. The screen shows the right/left sensor on the top, chin rest up/down and right/left limit sensors on the center, and lens frame sensor and response switch on the bottom. The sensors turn to red upon sensing.
  • Page 50 GG-11008 Edition 1.2 Chin rest Sensing Standards Test procedure Tools The sensing display on the Move the chin rest up/down and right/left to the limit Visual screen shall change in and check that the sensing display on the screen check relation to the movement of changes in relation to the movement (turning to red the chin rest.
  • Page 51 GG-11008 Edition 1.2 Operating sound Standards Test procedure Tools The movement sound shall Measure the operating sound during up/down and Noise meter be 66dB or less. right/left movement. There shall be no abnormal The measurement position is at the center of the chin or irregular noise.
  • Page 52 GG-11008 Edition 1.2 Movement Standards Test procedure Tools Movement shall be normal 1. The column shall be nearly vertical when it is Visual and smooth. held with the magnet catch. check 2. Removal and insertion of the correction lens Feeling shall be smooth.
  • Page 53 GG-11008 Edition 1.2 6-3.3.2.6 Fixation LED check Check the fixation target LED and front eye lighting LED. The screen shows four fixation target type selection buttons (Center, macula, Assistance and Lower Left), intensity up/down buttons and intensity. The fixation target type selection button being lit turns to red.
  • Page 54 GG-11008 Edition 1.2 (1) LED Fixation target LED Fixation target LED Standard Test procedure Tools The fixation target type and Perform the test in a dark room or cover the dome Visual intensity shall change in front side with a blackout curtain for the test. check relation to the screen 1.

  • Page 55: System

    GG-11008 Edition 1.2 6-4 System System contains four items: 1) Serial number (The currently entered serial No. appears on the right side.) 2) Configured data preservation 3) Configured data reading 4) Configured data clear Pressing Exit returns to the jig software menu screen. Pressing one of item buttons starts the related operation.
  • Page 56 GG-11008 Edition 1.2 6-4.1 Serial number Enter and check the serial No. Standards Test procedure Tools The serial No. shall be Visual 1. Press Serial number and enter the serial number. correct (five least significant check 2. Check the serial No. displayed next to Serial digits) number to see if it is correct.

  • Page 57: Wiring Diagram

    GG-11008 Edition 1.2 7. Wiring Diagram - 56 -...

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