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JVC GR-DVF11U Manual
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JVC GR-DVF11U Manual

JVC GR-DVF11U Manual

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JVC Service and Engineering
Digital Video Cassette
Technology
Adjusting the Digital Video Cassette
Camera with JVC Service Support
System Software
JVC Service and Engineering
Company of America
Engineering Department
10 New Maple Avenue
Pine Brook, NJ 07058-9641
June 2001

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  • Page 1 JVC Service and Engineering Company of America Engineering Department 10 New Maple Avenue Pine Brook, NJ 07058-9641 JVC Service and Engineering Digital Video Cassette Technology Adjusting the Digital Video Cassette Camera with JVC Service Support System Software June 2001...
  • Page 3 Digital Video Cassette Technology Adjusting the Digital Video Cassette Camera with JVC Service Support System Software...
  • Page 4 All rights reserved. No part of this publication may be reproduced in any form, nor may it be stored in a retrieval system or transmitted in any form, without written permission from the Engineering Department of JVC Service and Engineering Company of America, a division of JVC Americas Corp.

  • Page 5: Table Of Contents

    Table of Contents Introduction ..............................1 Required Tools..........................2 Software Installation......................... 4 Camera Connection ......................... 4 Software Functions ............................. 9 Control Functions ..........................9 Information Functions ........................23 Adjustment Functions ........................43 Data Dump Definition..........................92 Standard Dump ..........................92 Deck Dump ............................

  • Page 7: Introduction

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software Introduction JVC developed the Service Support System software to aid technicians in camera repair. All cameras now manufactured by JVC require a connection to a personal computer running JVC Service Support System software for electrical adjustments.

  • Page 8: Required Tools

    Digital Video Cassette Technology Required Tools The tools required for camera adjustment are listed in the tables. Tool List Alignment Tape Blank Tape Camera Stand Cleaning Cloth MC-1 M-DV30ME YTU93079 x 2 KSMM-01 Cleaning Tape Color Bar Chart Focus Chart Gray Scale Chart VFK1449S-V YTU94133C...

  • Page 9: Table 2 Model Specific Tools

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software Model Number Step-up Ring Jig Cable Service Support Software GR-DVF11U YTU92001-111 YTU93082C YTU94057-41 GR-DVF21U YTU92001-111 YTU93082C YTU94057-41 GR-DVF31U YTU92001-111 YTU93082C YTU94057-41 GR-DVM50U YTU92001-105 YTU93091B YTU94057-39 GR-DVM70U YTU92001-105 YTU93091B...

  • Page 10: Software Installation

    Digital Video Cassette Technology Software Installation Use the following procedure to install the JVC Service Support System software. Insert the Floppy Disk containing the software into the computer’s Floppy Disk Drive. Using the Windows® Explorer or File Manager locate the Setup application on the Floppy Disk.

  • Page 11: Figure 2 Gr-Dvf11U Computer Connection

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software GR-DVF11U, GR-DVF21U, GR-DVF31U Figure 2 GR-DVF11U Computer Connection GR-DVM50U, GR-DVM70U Figure 3 GR-DVM50U Computer Connection...

  • Page 12: Figure 4 Serial Port Configuration

    Digital Video Cassette Technology Starting the Software Use the following procedure to start the JVC Service Support System software. Set the camera’s Power Dial to the Play position. Start the JVC Service Support System software. Select the appropriate Serial Port in the Serial Port Configuration dialog box.

  • Page 13: Figure 7 Inspector Window

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software The Inspector window appears. Close the Inspector window by clicking the Close button, that is the x button in the upper right corner of the window. Figure 7 Inspector Window Notice that the window contains a menu bar and a toolbar.

  • Page 14: Figure 8 Tooltips

    Digital Video Cassette Technology • Option • Set Clock • About CPU • Help • About The toolbar has 12 buttons. Position the mouse pointer over each button on the toolbar. Notice that an on-screen description of the toolbar button appears.

  • Page 15: Software Functions

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software Software Functions The software functions are divided into three groups: • Control Functions • Information Functions • Adjustment Functions Control Functions The control functions are divided into two groups: •...

  • Page 16: Figure 10 Deck Controller Window

    Digital Video Cassette Technology The Deck Controller window opens. Figure 10 Deck Controller Window Select the FA Deck tab if it is not already selected. Load a previously recorded cassette into the unit. Make sure the Record Prevention Tab is closed. Use the Deck Controller window as a remote control to operate the unit.

  • Page 17: Figure 12 Deck Controller Window In Fa Camera Mode

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software Select the FA Camera tab in the Deck Controller window. The unit switches to the Camera mode. The Deck Controller window changes to as shown in the figure.

  • Page 18: Figure 14 Camera Controller Window

    Digital Video Cassette Technology The Camera Controller window appears. Figure 14 Camera Controller Window Experiment with the settings until you understand the effect of each one. • Iris • AUTO • Iris opens to the optimum setting. • CLOSE • Iris is closed.
  • Page 19 Adjusting the Digital Video Cassette Camera with JVC Service Support System Software • Shutter Speed • AUTO • Shutter speed is set to the optimum value. • All others • Shutter speed is as selected. • White Balance • AUTO •...

  • Page 20: Figure 15 Dsp Controller Menu

    Digital Video Cassette Technology Set the zoom lens to the wide angle position by positioning the mouse pointer over the Zoom Wide toolbar button. Click and hold the left mouse button down, then click the right mouse button. The lens moves to the maximum wide angle position.

  • Page 21: Figure 17 Vtr Automatic Running Utility Toolbar Button

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software Turn off the Error Concealment function by selecting Concealment Off in the DSP Controller window. Notice how the image is affected with concealment turned off. What happens if you turn ATF off? What happens when you pause, fast forward or rewind the tape? Close the DSP Controller and the Deck Controller windows.

  • Page 22: Figure 19 Vtr Automatic Running Utility Window

    Digital Video Cassette Technology The VTR Automatic Running Utility window appears. This window is used to list a sequence of commands to send to the camera. For example; to add the fast forward operation to the list, click FF in the VTR Command list in the VTR Automatic Running Utility window.

  • Page 23: Figure 21 Running Utility Stopped

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software Follow the previous example and add the following operations for a ten second duration each. • Stop • Play • Stop • Rewind • Stop The VTR Automatic Running Utility window now looks as shown below.

  • Page 24: Figure 22 Running Utility Running

    Digital Video Cassette Technology The VTR Automatic Running Utility window changes as shown below. Figure 22 Running Utility Running The camera starts performing the operations listed in the User’s Command List. The status bar at the bottom of the window indicates: •...

  • Page 25: Figure 24 Vtr Automatic Running Utility Window

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software Edit a List Use the following procedure to edit an operation list: Use the list created in the previous section as a starting point. Figure 24 VTR Automatic Running Utility Window Click on the PLAY 00:00:10 entry in the User’s Command List.

  • Page 26: Figure 26 Vtr Automatic Running Utility Window

    Digital Video Cassette Technology Click on the STOP 00:00:10 entry above the PLAY 00:00:20 entry in the User’s Command List. Now click the X between the two lists. Notice that the stop entry is removed from the list. If you were to choose to clear the list you could click the Clear button. However, we will use the list in the next section, so do not click the Clear button at this time.

  • Page 27: Figure 27 Save As Window

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software The Save As window is displayed. Click in the text box next to File name:. Type in a file name such as MyList. Click the Save button in the Save As window to save the list as a file.

  • Page 28: Figure 29 Open Window

    Digital Video Cassette Technology The Open window is displayed. Click the text sample.vtr in the file list below Look in: to select it. Click the Open button in the Open window. The sample list is opened, and the commands appear in the User’s Command List in the VTR Automatic Running Utility window.

  • Page 29: Information Functions

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software Information Functions Version Information You can obtain the camera’s version number and the Service Support System software’s version number. CPU Version Number Obtain the camera CPU’s version number as follows: Select About CPU…...

  • Page 30: Figure 33 Help About Menu

    Digital Video Cassette Technology Software Version Number Obtain the software’s version number as follows: Select About from the Help menu. Figure 33 Help About Menu The About window displays the software’s version number. Figure 34 About Service Support System Window Click the OK button to close the About window.

  • Page 31: Figure 35 Emergency Utility Toolbar Button

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software Failure Information You can obtain information about the last three failures the camera experienced. Use the following procedure to retrieve and store failure information. Click the Emergency Utility toolbar button.

  • Page 32: Figure 38 Emergency Utility Window

    Digital Video Cassette Technology The failure information is displayed in the Emergency Utility window. The oldest information, labeled 1st Emergency, is at the beginning of the list. The newest information, labeled Last Emergency, is at the end of the list. Figure 38 Emergency Utility Window Save the failure information.

  • Page 33: Figure 41 Erase Toolbar Button

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software Erase the failure information in the camera. Click the Erase button on the Emergency Utility toolbar. Figure 41 Erase Toolbar Button You should do this after you have saved the information and before you return the camera to the user.

  • Page 34: Figure 44 Open Window

    Digital Video Cassette Technology The Open window appears. Click the name of the saved file in the file list below Look in: to select it. Click the Open button in the Open window. The failure information is displayed in the Emergency Utility window. Figure 44 Open Window The Print button on the Emergency Utility toolbar prints the failure information.

  • Page 35: Figure 47 Eeprom Utility Toolbar Button

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software Camera Settings You can obtain information about all of the camera’s settings and electronic adjustments. Use the Main EEPROM Utility to do the following: • Read the camera’s settings contained in the camera’s EEPROM.

  • Page 36: Figure 49 Read Toolbar Button

    Digital Video Cassette Technology Click the Read button on the EEPROM Utility toolbar. Figure 49 Read Toolbar Button The camera’s settings are displayed in the EEPROM Utility window. The status bar at the bottom of the window shows the selected cell’s address and value.

  • Page 37: Figure 52 Save As Window

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software The Save As window appears. Click in the text box next to File name:. Type in a new file name. Most technicians use the camera’s serial number as the file name.

  • Page 38: Figure 54 Edit Toolbar Button

    Digital Video Cassette Technology Click the Edit button on the EEPROM Utility toolbar. Figure 54 Edit Toolbar Button The Editing window appears. Click the Up and Down Arrows to change the data. If you press the Shift key on the keyboard while you are clicking the Arrows the data will change in steps of 10.

  • Page 39: Figure 57 Open Window

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software The Open window appears. Click the name of the saved file in the list below Look in: to select it. This should be the serial number of your camera and the file extension rom.

  • Page 40: Figure 60 Comparison Toolbar Button

    Digital Video Cassette Technology To compare settings, read the settings data from the camera into the EEPROM Utility window as demonstrated earlier. Click the Comparison button on the EEPROM Utility toolbar. Figure 60 Comparison Toolbar Button The Open window appears. Choose the file that is appropriate for your camera.

  • Page 41: Figure 63 Cancel Toolbar Button

    Figure 63 Cancel Toolbar Button Update settings On occasion JVC will provide an update to the unit’s operating software. This information is released in conjunction with a service bulletin. Click the Load Doctor Data button on the EEPROM Utility toolbar.

  • Page 42: Figure 66 Information Window

    Digital Video Cassette Technology Click OK in the Information window. Figure 66 Information Window Now write the data to the unit. Click the Write button on the EEPROM Utility toolbar. Figure 67 Write Toolbar Button Click the Yes button in the Confirmation window. Figure 68 Confirmation Window Click the Yes button in the next Confirmation window.

  • Page 43: Figure 70 Inspector Toolbar Button

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software Status Information You can obtain raw data concerning the performance of the camera. This information is provided by the Inspector window. The Inspector window is the one that opens when the software is started.

  • Page 44: Figure 72 Dump Selection

    Digital Video Cassette Technology Data Dump The Inspector window’s Rx tab provides a dump of raw status data. Select the Rx tab if it is not already selected. The window shows a dump of the camera’s sub-systems status. Click on the Arrow button under Dump mode. Notice that there are several sub-systems to choose from.

  • Page 45: Figure 73 Camera Image

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software Image Data Click on the Rxd48 tab. The Inspector window displays a graphic of the camera’s image. Don’t expect too much detail, the image is divided into a 8 x 6 image.

  • Page 46: Figure 74 Error Rate Window

    Digital Video Cassette Technology Error Rate Information You can obtain performance information for the playback circuits. Use this window in conjunction with the Deck Controller window, to fully judge performance. Turn the camera’s Power Dial to the PLAY position. Load a previously recorded cassette. Play back the tape. Click Error Rate tab in the Inspector window.

  • Page 47: Table 7 Error Rate Window Data Definitions

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software The definitions for the data in the Error Rate window are described in the table. Caption Definition CH1 Outer Error/1V - Audio Percentage of audio block errors per frame for the...

  • Page 48: Figure 75 Z Track Window

    Digital Video Cassette Technology Zoom Tracking Information You can obtain information about the performance of the camera focus. Turn the camera’s Power Dial to the A position, or to the Camera position to select the Full Auto mode. Click Z Track tab in the Inspector window. Figure 75 Z Track Window The Z Track window appears.

  • Page 49: Adjustment Functions

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software Adjustment Functions Camera Clock Setting You can set the camera’s clock to the computer’s time as follows: Select Set Clock from the Option menu. Figure 76 Option Set Clock Menu Click Yes in the Confirmation window.

  • Page 50: Figure 79 Adjustment Utility Toolbar Button

    Digital Video Cassette Technology Adjustment Utility Introduction The adjustment utility is used to adjust the camera. The adjustments are divided into three sections. • Deck • Camera • Optical Use the following procedure to learn about the adjustment utility. Click the Adjustment Utility button on the toolbar. Figure 79 Adjustment Utility Toolbar Button The Adjustment Utility window appears.
  • Page 51 Adjusting the Digital Video Cassette Camera with JVC Service Support System Software The Adjustment Utility window has three tabs. Click these tabs to select the section to adjust. • Deck • Camera • Optical Click the Down Arrow underneath the tabs to display a drop down box listing the adjustment procedures.

  • Page 52: Figure 81 Installing The Focus Chart

    • Zoom Linearity Preparation Each adjustment requires the JVC Infinity Adjustment Lens with the Focus Chart installed, attached to the unit. The following procedure describes the JVC Infinity Adjustment Lens setup. Install the Focus Block on the end of the JVC Infinity Adjustment Lens.

  • Page 53: Figure 82 Zoom Sensor Adjustment

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software Zoom Sensor Adjustment Click the Optical tab in the Adjustment Utility window. Select the Zoom Sensor procedure in the list box if it is not already selected. Figure 82 Zoom Sensor Adjustment Read the procedure.

  • Page 54: Figure 84 Best Focusing Window

    Digital Video Cassette Technology The Best Focusing window appears. Figure 84 Best Focusing Window When the adjustment is complete click the OK button in the Best Focusing window. The Information window appears. Figure 85 Information Window Click OK in the Information window. The Best Focusing window appears.

  • Page 55: Figure 87 Infinity Sensor Adjustment

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software Infinity Sensor Adjustment Select the Infinity Sensor procedure in the list box in the Adjustment Utility window. Figure 87 Infinity Sensor Adjustment Read the procedure. Click the Start button in the Adjustment Utility window. The Confirmation window appears.

  • Page 56: Figure 88 Fc Correction Adjustment

    Digital Video Cassette Technology FC Correction Adjustment Select the FC Correction procedure in the list box in the Adjustment Utility window. Figure 88 FC Correction Adjustment Read the procedure. Click the Start button in the Adjustment Utility window. The Confirmation window appears.

  • Page 57: Figure 89 Zoom Linearity Adjustment

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software Zoom Linearity Adjustment Select the Zoom Linearity procedure in the list box in the Adjustment Utility window. Figure 89 Zoom Linearity Adjustment Read the procedure. Click the Start button in the Adjustment Utility window. The Confirmation window appears.
  • Page 58 Digital Video Cassette Technology Camera Processing The camera processing section contains ten adjustments: • IR Sensor • Hall Gain, Offset • High Light Cyan • Y Gain • • AE Hall Curve • AF Filter • Color Separation • White Balance •...

  • Page 59: Figure 90 Remove The Focus Chart

    Preparation Most Camera Processing adjustments require the JVC Infinity Adjustment Lens attached to the unit and to the JVC Light Box. The following procedure describes the JVC Light Box and Infinity Adjustment Lens setup. Remove the JVC Infinity Adjustment Lens from the unit. It is best to leave the Adapter Ring on the camera lens.

  • Page 60: Figure 91 Light Box Setup

    Rotary Ring of the Light Box. Loosen the Clamping Knob so the Rotary Ring is loose. Attach the JVC Infinity Adjustment Lens to the Light Box by screwing the open end onto the threaded section of the Rotary Ring.
  • Page 61 Adjusting the Digital Video Cassette Camera with JVC Service Support System Software Adjust the position of the camcorder and the Light Box so that the image of the chart is straight and centered on the screen. If necessary, use the adjustable feet on the camera stand.

  • Page 62: Figure 92 Ir Sensor Adjustment

    Digital Video Cassette Technology IR Sensor Click the Camera tab in the Adjustment Utility window. Select the IR Sensor procedure in the list box if it is not already selected. Figure 92 IR Sensor Adjustment Read the procedure. Cover the IR Sensor. Click the Start button.

  • Page 63: Figure 94 Information Window

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software When the adjustment is complete the Information window appears. Figure 94 Information Window Click the OK button in the Information window. This completes the IR Sensor adjustment.

  • Page 64: Figure 95 Hall Gain Offset Adjustment

    Digital Video Cassette Technology Hall Gain Offset Select the Hall Gain Offset procedure in the list box in the Adjustment Utility window. Figure 95 Hall Gain Offset Adjustment Read the procedure. Click the Start button in the Adjustment Utility window. The Confirmation window appears.

  • Page 65: Figure 96 High Light Cyan Adjustment

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software High Light Cyan Adjustment Select the High Light Cyan procedure in the list box in the Adjustment Utility window. Figure 96 High Light Cyan Adjustment Read the procedure.

  • Page 66: Figure 97 Y Gain Adjustment

    Digital Video Cassette Technology Y Gain Adjustment Select the Y Gain procedure in the list box in the Adjustment Utility window. Figure 97 Y Gain Adjustment Read the procedure. Remove the Chart Holder from the Light Box so the camcorder is shooting the ground glass in the Light Box.

  • Page 67: Figure 99 Y Gain Amplitude

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software Use an oscilloscope to observe the video output signal. Click the Up and Down Arrows in the Editing window to set the amplitude of the video output signal from the blanking level to the peak to 0.70 ± 0.01 V p - p.

  • Page 68: Figure 100 Agc Adjustment

    Digital Video Cassette Technology AGC Adjustment Select the AGC procedure in the list box in the Adjustment Utility window. Figure 100 AGC Adjustment Read the procedure. Remove the Chart Holder from the Light Box so the camcorder is shooting the ground glass in the Light Box. Insert a ND 3.3 Neutral Density filter into the filter slot of the Light Box.
  • Page 69 Adjusting the Digital Video Cassette Camera with JVC Service Support System Software Click the OK button in the Information window. Remove the filter from the filter slot of the Light Box. This completes the AGC adjustment.

  • Page 70: Figure 102 Ae Hall Curve Adjustment

    Digital Video Cassette Technology AE Hall Curve Adjustment Select the AE Hall Curve procedure in the list box in the Adjustment Utility window. Figure 102 AE Hall Curve Adjustment Read the procedure. Remove the Chart Holder from the Light Box so the camcorder is shooting the ground glass in the Light Box.

  • Page 71: Figure 103 Af Filter

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software AF Filter Adjustment Select the AF Filter procedure in the list box in the Adjustment Utility window. Figure 103 AF Filter Read the procedure. Remove the Chart Holder from the Light Box so the camcorder is shooting the ground glass in the Light Box.

  • Page 72: Figure 105 Color Separation Adjustment

    Digital Video Cassette Technology Color Separation Adjustment Select the Color Separation procedure in the list box in the Adjustment Utility window. Figure 105 Color Separation Adjustment Read the procedure. Remove the Chart Holder from the Light Box so the camcorder is shooting the ground glass in the Light Box.

  • Page 73: Figure 106 White Balance Adjustment

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software White Balance Adjustment Select the White Balance procedure in the list box in the Adjustment Utility window. Figure 106 White Balance Adjustment Read the procedure. Remove the Chart Holder from the Light Box so the camcorder is shooting the ground glass in the Light Box.

  • Page 74: Figure 108 Difference Color Gain / Matrix Adjustment

    Digital Video Cassette Technology Difference Color Gain / Matrix Adjustment Select the Difference Color Gain / Matrix procedure in the list box in the Adjustment Utility window. Figure 108 Difference Color Gain / Matrix Adjustment Read the procedure. Insert the Chart Holder into the Chart Slot of the Light Box so the camcorder is shooting the Color Bar Chart.

  • Page 75: Figure 110 Set The Amplitude Of The White Bar

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software Click the Up and Down Arrows to adjust the amplitude of the signal so that the white bar to the blanking level is 0.65 V p to p.

  • Page 76: Figure 111 Difference Color Gain / Matrix Adjustment (1)

    Digital Video Cassette Technology Use what you have learned in the four previous steps and adjust the unit so the waveform observed on the vector scope matches the figure below. Figure 111 Difference Color Gain / Matrix Adjustment (1) Click the OK button in the Editing window. Click the OK button in the Information window when it appears.

  • Page 77: Figure 112 Difference Color Gain / Matrix Adjustment (2)

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software Use the techniques learned in the above steps and adjust the unit so the waveform observed on the vectorscope matches the figure below. Figure 112 Difference Color Gain / Matrix Adjustment (2) Click the OK button in the Editing window.
  • Page 78 Digital Video Cassette Technology Deck Adjustments The deck section contains eight adjustments • 81MHz VCO Center Frequency • PB Switching Point • Sync Level • Burst Level • Fs PLL • Head Rec Current • VCO Center Frequency (ME SP) •...

  • Page 79: Figure 113 Gr-Dvf11U Adjustment Preparation

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software GR-DVF11U, GR-DVF21U, GR-DVF31U Figure 113 GR-DVF11U Adjustment Preparation Adjustment preparation: Remove the screw. Remove the Jig Cover. Connect the Jig Connector, P/N YTU93082C, to CN105 on the circuit board.

  • Page 80: Figure 114 Gr-Dvm50U Adjustment Preparation

    Digital Video Cassette Technology GR-DVM50U, GR-DVM70U YTU94145A Figure 114 GR-DVM50U Adjustment Preparation Adjustment preparation: Mount the unit on its Docking Station. Remove the screw. Remove the Jig Cover. Attach two Extension Connectors, P/N YTU94145A, to the Jig Connector, P/N YTU93091B. Then connect them to CN1010 on the board.

  • Page 81: Figure 115 81Mhz Vco Center Frequency

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software 81MHz VCO Center Frequency Adjustment Click the Deck tab in the Adjustment Utility window. Select the 81MHz VCO Center Frequency procedure in the list box if it is not already selected.

  • Page 82: Figure 117 Confirmation Window

    Digital Video Cassette Technology Click the Start button in the Adjustment Utility window. The Confirmation window appears. Figure 117 Confirmation Window Click the Yes button in the Confirmation window. The Editing window appears. Figure 118 Editing Window Monitor the amplitude of the signal. Click the Up and Down Arrows in the Editing window to set the amplitude of the signal to 1.2 ±...

  • Page 83: Figure 120 Pb Switching Point Adjustment

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software PB Switching Point Adjustment Select the PB Switching Point procedure in the list box. Figure 120 PB Switching Point Adjustment Read the procedure. Click the FA Deck tab in the Deck Controller window to put the unit in the Deck mode.

  • Page 84: Figure 121 Sync Level Adjustment

    Digital Video Cassette Technology Sync Level Adjustment Select the Sync Level procedure in the list box. Figure 121 Sync Level Adjustment Read the procedure. Click the FA Camera tab in the Deck Controller window to put the unit in the Camera mode. Use the DSP Controller to turn on the Color Bars.
  • Page 85 Adjusting the Digital Video Cassette Camera with JVC Service Support System Software Then click the OK button in the Editing window. The Information window appears. Click the OK button in the Information window. This completes the Sync Level adjustment.

  • Page 86: Figure 123 Burst Level Adjustment

    Digital Video Cassette Technology Burst Level Adjustment Select the Burst Level procedure in the list box. Figure 123 Burst Level Adjustment Read the procedure. If it is not already selected, click the FA Camera tab in the Deck Controller window to put the unit in the Camera mode. Use the DSP Controller to turn on the Color Bars.
  • Page 87 Adjusting the Digital Video Cassette Camera with JVC Service Support System Software Then click the OK button in the Editing window. The Information window appears. Click the OK button in the Information window. This completes the Burst Level adjustment.

  • Page 88: Figure 125 Fs Pll Adjustment

    Digital Video Cassette Technology Fs PLL Select the Fs PLL procedure in the list box. Figure 125 Fs PLL Adjustment Read the procedure. Click the FA Deck tab in the Deck Controller window to put the unit in the Deck mode. Make sure in unit is in the Stop mode.
  • Page 89 Adjusting the Digital Video Cassette Camera with JVC Service Support System Software Click the Second tab in the Editing window to select it. Click the Up and Down Arrows in the Editing window to set the frequency to 11.2896 MHz ± 110 kHz.

  • Page 90: Figure 127 Head Record Current Adjustment

    Digital Video Cassette Technology Head Record Current Select the Head Rec Current procedure in the list box. Figure 127 Head Record Current Adjustment Read the procedure. Click the FA Camera tab in the Deck Controller window to put the unit in the Camera mode.

  • Page 91: Figure 128 Set The Head Record Current

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software Use the oscilloscope to observe the signal. Click the Up and Down Arrows in the Editing window to set the amplitude of the signal to 420 ± 5 mV p - p, or the value specified in the software.

  • Page 92: Figure 129 Deck Controller Window

    Digital Video Cassette Technology Notice that the Recording Log in the Deck Controller window has changed. Figure 129 Deck Controller Window An elapsed time counter has appeared to the right of Recording Log and an entry has been added to the Recording Log. In this example the information indicates: •...
  • Page 93 Adjusting the Digital Video Cassette Camera with JVC Service Support System Software Select Viterbi OFF in the Inspector window. Click the FA Deck tab in the Deck Controller window. Play the scenes just recorded on tape. Monitor the Error Count TTL in the Inspector window. Notice which section of the tape and its Head Record Current value results in the lowest error rate.

  • Page 94: Figure 130 Vco Center Frequency (Me Tape Sp Speed)

    Digital Video Cassette Technology VCO Center Frequency (ME Tape, SP Speed) Select the VCO Center Frequency (ME SP) procedure in the list box. Figure 130 VCO Center Frequency (ME Tape SP Speed) Read the procedure. Click the FA Camera tab in the Deck Controller window to put the unit in the Camera mode.

  • Page 95: Figure 132 Inspector Window

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software After completion of the automatic portion of the adjustment the Editing and the Inspector windows appear. Figure 132 Inspector Window Monitor the Error Count in the Inspector window. Click the Up and Down Arrows in the Editing window to set the Error Count to the minimum value for both CH1 and CH2.

  • Page 96: Figure 133 Vco Center Frequency (Me Tape Lp Speed)

    Digital Video Cassette Technology VCO Center Frequency (ME Tape LP Speed) Select the VCO Center Frequency (ME SP) procedure in the list box. Figure 133 VCO Center Frequency (ME Tape LP Speed) Read the procedure. Click the FA Camera tab in the Deck Controller window to put the unit in the Camera mode.
  • Page 97 Adjusting the Digital Video Cassette Camera with JVC Service Support System Software If the error rate exceeds the maximum allowable values, the head and tape transport system should be cleaned. If the error rate still exceeds the maximum allowable values, you should consider that the head may have failed or the preamp shield is loose.

  • Page 98: Data Dump Definition

    Digital Video Cassette Technology Data Dump Definition This section describes the definitions for the Data Dump in the Inspector window. Standard Dump Page 0 Byte Definition Other IR Flicker Setting of Data Read Out Of EEPROM (EVR) IR Sensor Voltage Hall Element Voltage Hall Element Voltage Regulation Electronic Zoom Operation...

  • Page 99: Table 10 Data Dump - Electronic Zoom Operation

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software Electronic Zoom Operation Definition High Electronic Zoom Power Control Active Passive In Electronic Zoom Operation Moving Stopped Electronic Zoom Operation Direction Telephoto Wide Table 10 Data Dump - Electronic Zoom Operation...

  • Page 100: Table 15 Data Dump -Focus Operation

    Digital Video Cassette Technology Focusing Operation Description High Zooming Operation Data Zooming Stopping Zooming Operation Data Wide Angle End Not Wide Angle End Zooming Operation Data Telephoto End Not Telephoto End Focusing Operation Mode Focusing Stopped Focus Position Data Close-up Position Not Close-up Position Focus Position Data Infinite Position...

  • Page 101: Table 19 Data Dump - Standard Mode

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software Page 1 Byte Definition Other Year Month Hour Minute Second CPU Initialization See Table 20 Focus Error Data - Low Control Data See Table 21 Special Effect Setting Low - Order Data...

  • Page 102: Table 22 Data Dump - Special Effects Setting - Low Byte

    Digital Video Cassette Technology Special Effects Setting - Low Byte Description High Squeeze Mode Control Wide Normal Feed Back Control White And Black Mode Sepia Mode Cinema Mode Electric Zoom Mode Normal Marine Pack Found Not Found Table 22 Data Dump - Special Effects Setting - Low Byte Special Effects Setting - High Byte Description High...

  • Page 103: Deck Dump

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software Deck Dump Byte Description Notes Previous VTR Mode See Table 25 Present VTR Mode See Table 25 Servo VTR Mode See Table 25 Mechanism Position Data See Table 26...

  • Page 104: Table 25 Data Dump - Vtr Mode

    Digital Video Cassette Technology VTR Mode Data Description Mnemonic 0X00 Unloading Stop ULST 0X01 Eject Stop EJCT 0X02 Loading Stop LDST 0X03 Play 0X04 Play Pause PLYP 0X05 Fast Forward 0X06 Rewind 0X07 Search Forward 0X08 Search Reverse SREW 0X09 Forward Slow SLFW 0X0A...

  • Page 105: Table 27 Data Dump - Sensor (1)

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software Sensor (1) Description High End Sensor Normal Start Sensor Start Normal REC Safety Record Disabled Record Enabled Dew Sensor Normal Tape Existence Loaded Not Loaded Dust Sensor Dusty...

  • Page 106: Table 31 Data Dump - Switch (1)

    Digital Video Cassette Technology Switch (1) Description High Speaker Disabled Enabled Simple Display Simple Normal Record Audio 32 kHz 48 kHz Playback Date Indication Disabled Enabled Table 31 Data Dump - Switch (1) Switch(2) Description High Voice Alarm EIS(Camera Shake) Table 32 Data Dump - Switch (2) Strobe Information Description...

  • Page 107: Table 36 Data Dump - Other Information (1)

    Adjusting the Digital Video Cassette Camera with JVC Service Support System Software Other Information (1) Description High Animation Being Executed After-Recording Being Executed Insertion Being Executed Soft-Stop Being Executed Servo Finish Allowed Write Enable Tape Voltage Attenuation Rehearsal Table 36 Data Dump - Other Information (1)
  • Page 108 Digital Video Cassette Technology Table of Figures Figure 1 Setup Application.................... 4 Figure 2 GR-DVF11U Computer Connection ............... 5 Figure 3 GR-DVM50U Computer Connection .............. 5 Figure 4 Serial Port Configuration ................6 Figure 5 Camera Configuration ..................6 Figure 6 Title Bar ......................6 Figure 7 Inspector Window...................
  • Page 109 Adjusting the Digital Video Cassette Camera with JVC Service Support System Software Figure 28 VTR Automatic Running Utility ..............21 Figure 29 Open Window..................... 22 Figure 30 Confirmation Window ................. 22 Figure 31 Option About CPU Menu................23 Figure 32 CPU Version Window................. 23 Figure 33 Help About Menu..................
  • Page 110 Digital Video Cassette Technology Figure 57 Open Window..................... 33 Figure 58 Write Toolbar Button .................. 33 Figure 59 Confirmation Window ................. 33 Figure 60 Comparison Toolbar Button ............... 34 Figure 61 Information Window ................... 34 Figure 62 EEPROM Utility Window ................34 Figure 63 Cancel Toolbar Button................
  • Page 111 Adjusting the Digital Video Cassette Camera with JVC Service Support System Software Figure 86 Information Window ................... 48 Figure 87 Infinity Sensor Adjustment................49 Figure 88 FC Correction Adjustment ................50 Figure 89 Zoom Linearity Adjustment................. 51 Figure 90 Remove the Focus Chart ................53 Figure 91 Light Box Setup ..................
  • Page 112 Digital Video Cassette Technology Figure 115 81MHz VCO Center Frequency..............75 Figure 116 Deck Controller Window................75 Figure 117 Confirmation Window ................76 Figure 118 Editing Window..................76 Figure 119 Information Window ................. 76 Figure 120 PB Switching Point Adjustment ..............77 Figure 121 Sync Level Adjustment................
  • Page 113 Adjusting the Digital Video Cassette Camera with JVC Service Support System Software Table of Tables Table 1 Required Tools ....................2 Table 2 Model Specific Tools ..................3 Table 3 Special Tools ....................3 Table 4 Required Accessories..................3 Table 5 Required Filters ....................3 Table 6 Personal Computer Specifications ..............
  • Page 114 Digital Video Cassette Technology Table 29 Data Dump - Sensor (3) ................99 Table 30 Data Dump - Sensor (4) ................99 Table 31 Data Dump - Switch (1) ................100 Table 32 Data Dump - Switch (2) ................100 Table 33 Data Dump - Strobe Information ...............

This manual is also suitable for:

Gr-dvf21uGr-dvf31uGr-dvm50uGr-dvm70u

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