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Region 2 of the car control unit. When you find the procedures bearing any of the symbols, be sure to fulfill them:. Product safety You should conform to the regulations governing the product safety, radio and noise, and other regulations , and should keep the safety during servicing by following the safety instructions described in this manual.
Adjustments To keep the original performances of the product, optimum adjustments or specification confirmation is indispensable. In accordance with the procedures or instructions described in this manual, adjustments should be performed. For optical pickups, tape-deck heads, lenses and mirrors used in projection monitors, and other parts requiring cleaning, proper cleaning should be performed to restore their performances. Shipping mode and shipping screws To protect the product from damages or failures that may be caused during transit, the shipping mode should be set or the shipping screws should be installed before shipping out in accordance with this manual, if necessary.
Lubricants, glues, and replacement parts Appropriately applying grease or glue can maintain the product performances. But improper lubrication or applying glue may lead to failures or troubles in the product. By following the instructions in this manual, be sure to apply the prescribed grease or glue to proper portions by the appropriate amount.
For replacement parts or tools, the prescribed ones should be used. Screw adjacent to mark on the product are used for disassembly.
For the applying amount of lobricants or glue, follow the instructions in this manual. In the case of no amount instructions,apply as you think it appropriate. Symbol indicates a resistor. No differentiation is made between chip resistors and discrete resistors.
Symbol indicates a capacitor. No differentiation is made between chip capacitors and discrete capacitors. Decimal points for resistor and capacitor fixed values are expressed as: Therefore, when replacing, be sure to use parts of identical designation.
The power supply is shown with the marked box. The encircled number denote measuring pointes in the circuit diagram. MTR1 6 CH3: The parts mounted on this PCB include all necessary parts for several destination. For further information for respective destinations, be sure to check with the schematic diagram.
Viewpoint of PCB diagrams. Parts whose parts numbers are omitted are subject to being not supplied. The part numbers shown below indicate chip components. Circuit Symbol and No. A Unit Number: Thermistor Radiator P Unit Number: JKL Unit Number: GHI Unit Number: BC Unit Number: M Unit Number: CZW Unit Name: Jig No. During product adjustments, if the reference voltage is mistakenly taken as GND, and a grounding contact is made, not only would it be impossible to measure the accurate electrical potential, but also the servo motor would malfunction, resulting in the application of a strong impact on the pick up.
The following precautionary measures should be strictly adhered to, in order to avoid such problems. The reference voltage and GND should not be confused when using the minus probe of a measurement device. When an oscilloscope is being used special care should be taken to make sure that the reference voltage is not connected to the probe of ch1 on the minus side , while the probe of ch2 on the minus side , is connected to GND.
Further, since the body frame of most measurement devices have the same electrical potential as the minus side of the probe, the body frame of the measurement device should be set to floating ground.
Remove the filters and wires used for measurements only after the regulator has been turned OFF. After the power supply is turned on, regulator ON the following adjustment and measurement are promptly done. Whenever the product is in the test mode, the software will not take any protective action. For this reason, special care should be taken to make sure that no mechanical or electrical shock could be applied to the product when taking measurements in the test mode.
If the product hangs up turn the power OFF immediately. Laser didoes may be damaged, if the volume switch for the laser power adjustment of the pick up unit, is turned. Attention Test mode starting procedure Please select "MS3 check" page to start test mode.
Multi-CD changer test mode starting procedure. Key Assign table. Start test mode Note 1: At this stage select the media type. Various settings are carried out according to the media selection made here. Note 2: While measurements are being taken, only the operation, for which the measurement is being taken, is allowed. Note 3: Reproduction play speed is selectable from DVD: Bal and other adjustments.
The track number designation is selected from the track numbers already prepared for selection. For CD: Tracks 1, 4, 10, 11 and For DVD: Tracks 1, 4, 10, 11, 32, 64 and Method for designating an ID address: The decision is finalized entered with command ATT.
Pick up unit replacement 2. Spindle motor replacement 3. Carriage chassis replacement 4. Pick up unit main shaft replacement 5. Pick up unit sub-shaft replacement. Measurement device and tools: Symptoms in case of poor adjustment: Error efficiency deteriorated: Avoid exposing your eyes to laser beams for a long time. Preparation for adjustment: Clean both ends of the shafts. Use brand new skew screws supplied with the service kit GXX Place the DVD mechanism module upside down.
After replacing the pickup by referring to the procedures of Removing the Pickup. Connect an oscilloscope as shown in the connecting diagram. Turn on the power of the product.
Load the test disc GGV In the front-end test mode, set the disc type to DVD layer 1. Move the pickup toward the inner tracks. Turn on the laser diodes. With the focus servo closed, complete all automatic adjustments. Close the tracking servo, and then complete all automatic adjustments. Observing the RF waveform on the oscilloscope, slightly turn the skew adj. Next, move the pickup toward the outer tracks. Slightly turn the skew adj. Turn the skew adj. Lastly, move the pickup toward the inner tracks.
Repeat the step 8 three times. Turn off the power in the test mode.
After confirming that the disc has stopped, eject the disc. Apply glue to the skew adj. Verify the voltage of the sensing pin. If results are not satisfactory, check to see if there are any problems with the resin flux cored solder, parts and components.
Check 2: Are all clocks operating normally? Checks are to be conducted with a GND reference. If locations listed under "verification location 2", can be verified, there will be no need to perform verifications for the locations listed under "verification location 1. Verification location 2.
If the locations listed under "verification location 2" can be verified, then there is no need to conduct verifications for the locations listed under "verification location 1. Verification NO. Verify the circuit described in Figure 2. If the locations, listed under "verification location 2", can be verified, there is no need to conduct verifications for the locations listed under "verification location 1.
Three serial output rated values Checks are conducted with the measurement circuit below. Check 5: Is the video circuit operated normally? Set the Trigger mode to the TV trigger, and the Trigger line to line If the result is not satisfactory, check to see if there are any problems with resin flux cored solder, parts and components, in the vicinity of line the section marked 5 in the circuit diagram and peripheral components.
Check 6: Check the conductivity of both the "Verification location 1" and the "Verification location2. When the Vlevel is more than 1. When the Vlevel is less than 0. It acts as the monitor of the waveform after potential. Don't acts as the monitor of the TP FL2 directly. Out of spec. The IIC lines can accept a maximum of 5V. The input step signal has no setup.
If the measured value is out of specs, change the setting ofSA24h D11 - 8 2 inflection point: The signal generator should be used via 75 ohms. However, adjustment by RGB has priority. The luminance level of the input signal: Register setting specs: Adjust the 10th step levels Register of the G waveform and the setting of R waveform. Measuring point is SA26h the same as that of No, D15 - 9.
Adjust the first step levels Register of the G wave form and the setting of R waveform. Measuring point is SA39h the same as that of No, D15 - Flicker adjustment mode Line adjustment 1 mode Line adjustment 2 mode Dimmer parameter setting mode B.
Used to select a desired adjustment item in each mode [ ] button: Used to adjust the selected item Notes: The total bits for the settings depend on adjusting items. If the written data is different from the read-out data, the letter color for the read-out data is changed.
Back light output Min. On the screen, the adjustment names and the settings or written data are listed. The settings or written data will change when some adjustments are made in each mode. Bright SA B Contrast SA B Common reverse output center Common reverse output amplitude Output clamp DC 0 inflection point 3 inflection point 2 inflection point 1 inflection point.
Therefore, adjusting one of the data will change the other one. Before displayed on the screen, the setting value is converted via some software. It's because the settings are adjustable by the user. The operation after this should use Navigation's remote controller. Used to select a desired adjustment item in each mode. Used to adjust the selected item. Contents For aging See p. Touch panel test mode See p. Not connect L: How to start the test mode 1. Enter the password. If the correct password has been entered, the test mode menu will be displayed.
Password entry screen. Password OK: After 2 seconds or so, the screen will automatically move on to the menu screen. Not for customer use. Please input the whole password,then push the [OK] button.
Remocon touch panel test 2. Version check 3. Error log 4. Clear backup memory 7. GPS backup data clear 8. Outline of inspection Remote controller touch panel inspection Version information check.
Content if inspection Calibration setting and remote controller inspection are performed. Display of various version information. The screen will return to menu by BACK key. Maximum 8 events from the error last occurred can be displayed. When the job is done, the screen will return to menu. Back up variables SRAM domain used by the system software initialization is initialized.
When the job is done, reboot action will be taken. Learned data inside gyro Learned data inside gyro sensor is cleared. Port status display Port status is displayed. Change to display error 2. Start within debug shell 3. Program loading 4.
GPS assessment 5. File maintenance 6. Program forced write. Inspection item 1 Change to display error 2 Start within debug shell.
Outline of inspection Switching of error information display Switching of debug shell start. Content if inspection Display setting for error cases. Setting for debug shell start. Recognition method for boot up program write is changed.
System Write when the version program No. System data Write when the version No. Application Write when the version program information is different from the one in disc. Application Write when the version program No. GPS assessment system can be used. The system will return to menu by BACK key. File maintenance operations are made. CD-ROM reading test 4. RGB test 5. MS3 check 6. Region code. Content if inspection SRAM: Device inspection and bus inspection are performed against all SRAM domains.
Data will be protected. G sensor, gyro, power supply voltage and installation condition are displayed. RGB inspection Upper half, 8 colors.
Lower half, 3 colors. MS3 mechanism test mode inspection. Pages can be changed by [ ] and [ ] keys. Version information Version No. Version No. XX Version No. How to operate the touch panel test mode is described below. First, 1. Setup touch-panel effective range in the touch panel test menu is made. Next, 3. If the result is NG, conduct 2. Setup calibration, and conduct 3.
Test Touch-panel once again. Furthermore, details of the misalignment can be verified by the 5. Check Touch-panel compensation. Setup touch-panel effective range 2. Setup calibration 3. Test Touch-panel 4.
Check now calibration condition 5. Check Touch-panel compensation 6. Check Touch-panel graphics 7. Setup touch-panel effective range The present of the touch-panel effect range before. Please move to calibration setup after this setup. Adjustment steps 1 Trace the edge of the screen along the monitor resin frame with a round-headed thing to obtain the coordinates. Y coordinate of the touch panel maximum value received.
The preset effective range is registered, and the screen will return to the remote controller inspection menu. The data of the effective range will be recorded in the SRAM. In case the compensation value is not preset in the SRAM, the following initial default value will be entered automatically at the time of navigation system boot up.
Finally, verification of a single point is made. The cursor is always displayed at one location only, and moves on to the next location as the current one is correctly pressed. The result of calibration will be recorded in the SRAM. If effective operation is not made for 30 seconds, the system will recognize as erroneous end and stops the calibration. Explanation on touch panel misalignment verification test. The cursor will be displayed in white color only one at a time. Each time the cursor is touched correctly, the next point will be displayed.
If this test turns out to be NG, it will be necessary to redo 1. Setup touch-panel effective range and 2. Setup calibration. Repeat the above steps once again.
Explanation on the setting status of the calibration compensation value. The current calibration compensation status is displayed. The following data will be displayed. With no calibration value in white characters In case the compensation value does not exist in the SRAM.
The effective range value is stored In case the compensation value for the upper limit and the lower limit are preset in the SRAM. The calibration compensation value is stored In case the calibration compensation values for the 16 points are preset in the SRAM. In case the upper limit and the lower limit values and the 16 points calibration values are preset in the SRAM. The initial value is substituted. In case the value stored as the initial default value is preset in the SRAM.
The system will return to the remote controller inspection menu. Explanation of the inspection details Regarding this inspection, the title only will be displayed at the initialized stage.
As shown by the arrow, press any desired location on the monitor. The coordinate of the touch panel at that time will be displayed. Horizontal line will move upward. Horizontal line will move downward. Vertical line will move to the left. Vertical line will move to the right. Explanation of the displayed coordinate from top to bottom 79, Coordinate of the crossing point by the vertical and the horizontal lines X direction, Y direction. AD data value X direction, Y direction representing the coordinate of the pressed location received from the system control microprocessor.
Coordinate X direction, Y direction obtained by normalizing the AD data value of the pressed location within the effective range. Coordinate X direction, Y direction obtained by adding the correction based on calibration to the normalized coordinate. Explanation of the displayed content. X coordinate normalized expanded within the effective range. Y coordinate normalized expanded within the effective range.
X coordinate obtained by adding the correction based on calibration. Y coordinate obtained by adding the correction based on calibration. Error Information Descriptions of error information, for errors arising from system software problems, will be provided in this section.
Up to eight sets of information, related to the system softwares errors, will be stored in the SRAM. If multiple exceptions, fatal exceptions, illegal command codes and trap command errors occur. Error Log's Entry Function Up to twenty-four sets of information, related to errors starting with the latest error, will be displayed by the error log entry function. There are two types of error log displays. When detailed information exists: Error code. Error occurring program name.
Error occurring program line number. Error occurring program version number. Error occurring program creation date. Error occurring program creation time. Error occurring program creator name. Error occurrence date and time. If an error occurs due to a multiple exception, the definitions will change to the following: Error Information Switch The product with default settings will display error messages to the user if an error occurs.
Error information can be displayed if an error occurs by switching the error information in the test mode. In either case, the error log entry display will be the same. Setting in the test mode: Change to display error [Message] 2. Start within debug shell [On] 3.
Program loading [Disc version] 4. An error has occured. Please turn power off and on again. Une erreur a ete decelee. Veuillez eteindre puis rallumer le systeme. Bitte System aus- und wieder einschalten.
Change to display error [Information] 2. Start within debug shell [Off] 3. Program loading [Version up] 4. Watch dog timer This product has a built-in mechanism to monitor at a certain interval whether the software is correctly operating or not. Once this mechanism becomes inoperable, reset request will be sent to the power supply microprocessor when a preset time approximately 4 seconds has elapsed.
In order to record operational situation of such an occasion, a special code which is not an error code is recorded in the ERCD. How to operate. Return to the test mode menu. Update of the port status. Display of GPS version information. Display of sensor version information.
NG Installation position is OK. Best OK Best Display of distance calculation status. Status Display Sensor initial learning is under way. Model without G sensor. GPS No pulse connection. G sensor distance.
ND-PG1 Vehicle speed pulse distance. Critical damage can result if the system is allowed to continue in a mechanical runaway state.
If abnormal noise is heard during the test, turn the power OFF immediately. Selection decided. Go back. Directional keys: Firm Ware Revision: Version of the drive used. Power Off Data: DVD 1-Layer  Disc tipe: DVD 2-Layer  Disc tipe: CD  Disc tipe: DVD single-layer.
DVD double-layer. Performs consecutive EDC tests. Performs EDC tests for each block. Performs ID of the test. Select layer 0. Select layer 1. Ejects the Disc. Returns to the test mode menu. Moves the cursor to the right by one increment. Moves the cursor to the left by one increment. Moves the cursor up by one increment. Moves the cursor down by one increment. Starts the EDC test.
Test ] Status: Power On Data: FE Offset: Focus operation will then be stopped. The carriage transition operation will then be stopped. Focus Closed Data: FE MAX: Focus Closed2 Data: Bal Layer 0: Bal Layer 1: Tracking Close Data: Bal 0: Gain 0: Bal 1: Gain 1: Reproduction speeds L0-layer DVD x 1. Tracking Closed Data: Available for DVDs only. Gain T. Bal layer-0 T. Bal layer-1 G. Bal layer-0 G. Bal layer-0 F. Bal layer-1 F. Gain layer-0 F. Gain layer-1 T. Gain layer-0 T. If no key is pressed, the first screen of the inspection screen for line will be displayed.
Key operation In the case of inspection screen for line 1. The inspection screen and the menu screen can be switched alternately using the [CR] key on the remote controller.
The screen will go back to the previous screen by the [ ] key on the remote controller. The screen will move forward to the next screen by the [ ] key on the remote controller. Unless the inspection is finished, the screen will not move forward. The screen will not move forward, too, if there is an NG item. In the case of service menu screen 1. Select an inspection item by the [ ] and [ ] keys on the remote controller, and inspection screen will appear when the [CR] key is pressed.
Self Test Menu 1. External Connection 2. Dual Illumination check 3. Touch Panel check 4. Data Communication Short 6. Data Communication Open 7. Self Test Menu 8. VTR In check 9. FM multiplex tuner error GPS Self check Software version display Language Flag setup mode Memory all cleay GPS sensitivity measurement.
Self Test Menu Picture RGB check GPS information Sound play File Maintenance mode Picture check Device check Design engineer only Memory all clear for Service. BackUp Memory clear Connection check 1. The status of the item indicated in the above figure will be updated every second. All keys on the main body as listed below have been pressed at least once.
Less than 30 G sensor voltage OK: Less than Only when all the conditions are met, you can move on to the next inspection by the [ ] key on the remote controller. It should be noted, however, that you will not be able to move on to the next inspection if there is an error background color is red even if the conditions are met. It will also happen in case the vehicle speed pulse cannot be measured.
Communication error due to a hardware problem could be the cause. Time out error for response to BIOS call. Error due to unknown reason. Color switching for dual illumination can be made. In the case of UC model, this inspection will not be performed, and the system will move on to the next inspection. Move on to the next inspection by the [ ] key on the remote controller.
Touch panel inspection must be performed at 16 locations.
If the coordinate obtained by pressing the white spot is within the effective range, it will be determined as OK, and the next white spot will be displayed. If the coordinate obtained is outside of the effective range, it will be determined as NG.
If all 16 locations turned out to be OK, then this test is considered to be OK. If coordinate cannot be obtained in approximately 5 seconds after the white spot is displayed, the inspection is determined as NG. Only if the inspection is OK, the inspection will move on to the next step by the [ ] key on the remote controller.
The voice channel is inspected by recording the voice from MIC input Lch on a memory, playing back the recorded data and outputting from the SP. Recording of MIC input voice and playback of the recorded data is done at every second. Move on to the next inspection.
Data Communication Short Circuit check Not for service 5. SIO connection short is checked. Loop back check is performed on 5CH and 7CH. Wait screen is displayed until the checking is completed. When [RETURN] key on the remote controller is pressed while the inspection result is being displayed on the screen, inspection will be performed once again. Only in the case of OK, you can move on to the next inspection by the [ ] key on the remote controller.
SIO connection open is checked. Check is performed on 5CH and 7CH. Do not connect anything to the terminal. OK will be indicated under open condition. Natural image consisting of colors will be drawn on the BG screen. Rear view image will be displayed on the right hand side of the screen. Volume level can be changed by the [ ] and [ ] keys on the remote controller.
JPEG] [Voice file name: WAV] You can move on to the next inspection by the [ ] key on the remote controller. External input image VTR input image is displayed and voice is outputted. You can move on to the next inspection by the [ ] key on the remote controller. FM multiplex tuner error rate measurement Push Back key to go to re-check.
FM multiplexing error is measured. In the case of UC model, this inspection is not performed and the system will move on to the next inspection.
Default frequency is When entering this mode for the first time, the result of measurement at the time of test disc boot up will be displayed.
After the measurement is taken, the frequency can be changed by the [ ] and [ ] keys. GPS receiving status will be displayed. Conditions to move on to the next inspection. After replacing the pickup unit, be sure to check the grating. See p. During disassembly, be sure to turn the power off since an internal IC might be destroyed when a connector is plugged or unplugged.
Inverter for LCD back light becomes a high voltage. When inspecting the touch panel, use something thin with a round tip such as the touch pen.
Furthermore, do not apply excessive force to the touch panel. As you will find lands for 14 pins with 0. As GGD is not used, be careful not to short the terminal. When you find the procedures bearing any of the symbols, be sure to fulfill them: 1. Product safety You should conform to the regulations governing the product safety, radio and noise, and other regulations , and should keep the safety during servicing by following the safety instructions described in this manual.