Sony DVW-250 manual

OPERA TION MANUAL [English] 1st Edition (Revised 3) Serial No. 10001 and Higher DIGIT AL VIDEOCASSETTE RECORDER D VW -250/250P TM[...]

W ARNING To prevent fire or shock hazard, do not expose the unit to rain or moisture. To avoid electrical shock, do not open the cabinet. Refer servicing to qualified personnel only. For the customers in the USA This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. The[...]

Table of Contents 1 T able of Contents Chapter 1 Overview 1-1 Features ........................................................... 1-1 1-1-1 Features of the DVW-250/250P ............. 1-1 1-1-2 Digital Betacam Format ......................... 1-1 1-2 System Configuration .................................... 1-2 1-3 Getting the Best Performance from[...]

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Chapter 1 Overview Chapter 1 Overview 1-1 1-1 Features Chapter 1 Overview The DVW-250/250P is a portable videocassette recorder in the Digital Betacam series. It allows recording and playback of sound and picture in the Digital Betacam format. 1-1-1 Features of the D VW -250/ 250P The following are some of the features of the DVW- 250/250P. Flexibl[...]

Chapter 1 Overview 1-2 Chapter 1 Overview 1-2 System Configuration The following figure shows the configuration of a typical system centered on the DVW-250/250P. For details, such as the connector names, see Section 4-1-1 “Connecting Digital Equipment” (page 4-1) and Section 4- 1-2 “Connecting Analog Equipment” (page 4-2). Typical DVW-250/2[...]

Chapter 1 Overview Chapter 1 Overview 1-3 1-3 Getting the Best Performance from the Unit Notes on operation and storage Protect the unit from violent shocks It is possible to damage the internal circuitry and mechanism or spoil the external finish. After use Turn the power switch off. When not using the unit for a long period Remove the cassette an[...]

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Chapter 2 Location and Function of Parts Chapter 2 Location and Function of Parts 2-1 Front panel 2-1 Front Panel Chapter 2 Location and Function of Parts The front panel is divided into four sections as follows: • Operating controls • Status indications • Adjustment controls • Time code setting controls Of these, the controls for time code[...]

Chapter 2 Location and Function of Parts 2-2 Chapter 2 Location and Function of Parts 2-1 Front Panel 2-1-1 Operating Controls Operating controls 1 EJECT button and indicator 2 STOP button 3 PLAY button and indicator 4 REC button and indicator 5 Cassette compartment 6 REW button and indicator 7 F FWD button and indicator 8 SEARCH button and indicat[...]

Chapter 2 Location and Function of Parts Chapter 2 Location and Function of Parts 2-3 down the PLAY button then press the REC button, recording starts immediately, but there may be picture breakup. However, once a cassette has been removed and reinserted, even pressing the REC button then the PLAY button may sometimes not result in a proper join. 5[...]

Chapter 2 Location and Function of Parts 2-4 Chapter 2 Location and Function of Parts .......................................................................................................................................................................................................... 2-1 Front Panel 2-1-2 Status Indications Status indications 1[...]

Chapter 2 Location and Function of Parts Chapter 2 Location and Function of Parts 2-5 Time indications This display shows the value selected by the DISPLAY switch from CTL (control track running time), time code, or user bits. However, if the REAL TIME record/set switch (see page 2-9) in the time code setting controls is in the SET position, the re[...]

Chapter 2 Location and Function of Parts 2-6 Chapter 2 Location and Function of Parts 2-1-3 Adjustment Contr ols Adjustment controls 2-1 Front Panel 3 LIGHT switch 4 Display operating buttons 5 AUDIO PB LEVEL control knobs 6 POWER switch 1 Signal level and menu display Pressing the DISPLAY button in the display operating buttons cycles this display[...]

Chapter 2 Location and Function of Parts Chapter 2 Location and Function of Parts 2-7 3 LIGHT switch This switches on and off the illumination of the status indication panel (see page 2-4) and signal level and menu display, and also controls the brightness of the indicators for the operating buttons. ON : Turns the display illumination on. OFF : Tu[...]

Chapter 2 Location and Function of Parts 2-8 Chapter 2 Location and Function of Parts 2-1 Front Panel 2-1-4 Time Code Setting Contr ols 1 VITC switches These determine the lines in the vertical blanking interval in which the VITC 1) is recorded. For the DVW-250, the factory default is for switch A to be in position 6 (line 16) and switch B in posit[...]

Chapter 2 Location and Function of Parts Chapter 2 Location and Function of Parts 2-9 3 DISPLAY switch This selects which time code is displayed in the status indication panel (see page 2-4) . This switch is only effective when the DISPLAY switch by the status indication panel (see page 2-5) is set to the TC or U- BIT position. LTC : Display the LT[...]

Chapter 2 Location and Function of Parts 2-10 Chapter 2 Location and Function of Parts Connector panel 2-2 Connector Panel This section describes the connector panel under the following three headings: • Audio connectors and controls • Video connectors and controls • Power supply and miscellaneous Video connectors and controls Audio connector[...]

Chapter 2 Location and Function of Parts Chapter 2 Location and Function of Parts 2-11 2-2-1 A udio Connectors and Contr ols Audio connectors and controls 1 CONFI switch 2 CUE REC switch 3 CH-3/4 OUT switch 4 MONITOR SELECT switches 5 PHONE LEVEL control knob 6 +48 V switches (DVW-250P only) 7 CAMERA/LINE switches 8 Audio input level switches 9 AUD[...]

Chapter 2 Location and Function of Parts 2-12 Chapter 2 Location and Function of Parts 2-2 Connector Panel 5 PHONE LEVEL control knob This adjusts the level of audio output to the EARPHONE and HEADPHONES jacks. 6 +48 V switches (DVW-250P only) For each of the four channels, these turn on or off the 48 V microphone phantom power supply to the corres[...]

Chapter 2 Location and Function of Parts Chapter 2 Location and Function of Parts 2-13 2-2-2 Video Connectors and Contr ols Video connectors and controls 1 COLOR FRAME switch This selects whether or not to enable color framing during editing or playback. ON : Enable color framing. Playback is always in units of four (NTSC) or eight (PAL) fields. OF[...]

Chapter 2 Location and Function of Parts 2-14 Chapter 2 Location and Function of Parts 2-2 Connector Panel 5 VIDEO LEVEL control If the composite signal input level to the VIDEO IN connector is not a 1 Vp-p signal, use a screwdriver to turn this control and adjust the input level. The range of adjustment is ±3 dB. Normally leave this control at th[...]

Chapter 2 Location and Function of Parts Chapter 2 Location and Function of Parts 2-15 2-2-3 Power Supply and Miscellaneous Power supply and miscellaneous 1 RFU OUT connector This outputs video and audio signals and a power supply to an RF modulator such as an RFU-95UC. Connect to the input connector of the RF modulator. 2 EXT (external) DC SELECT [...]

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Chapter 3 Getting Started Chapter 3 Getting Started 3-1 3-1 Power Supply Chapter 3 Getting Started This unit can operate from any of the following power sources: • BP-90A nickel-cadmium battery pack • BP-L60 lithium ion battery pack • Supply to the DC IN 12V connector, for example using an AC-550/550CE AC Adaptor. 3-1-1 Using a Battery P ack [...]

Chapter 3 Getting Started 3-2 Chapter 3 Getting Started Catch 3-1 Power Supply Using a BP-L60 Battery Pack A BP-L60 Battery Ppack provides about two hours of continuous recording (when the unit is operated with the MODE switch in the SAVE position, the CONFI switch in the OFF position, and the setup menu item “SDI OUT” set to “OFF”). Before[...]

Chapter 3 Getting Started Chapter 3 Getting Started 3-3 Use the following procedure to power the unit from an AC supply. Using an AC power supply 3-1-2 Using an A C P ower Suppl y 1 Turn the POWER switch of the DVW-250/250P off. 2 Connect the DC IN 12V connector of the DVW- 250/250P to an AC supply through the AC-550/ 550CE AC Adaptor, as shown in [...]

Chapter 3 Getting Started 3-4 Chapter 3 Getting Started 3-1 Power Supply 3-1-3 Powering On and Off Powering on and off Powering on and off Use the POWER switch on the front panel to power the unit on and off. Starting recording automatically at power on In the SYSTEM 1 setup menu, set the P-ON REC item to ON to start recording automatically at powe[...]

Chapter 3 Getting Started Chapter 3 Getting Started 3-5 3-2 Cassettes This section lists the cassettes which can be used, and provides guidance on their handling. 3-2-1 Cassette T ypes This unit uses Digital Betacam cassettes with a 1/2- inch tape width for playback and recording. The following are the type numbers of the cassettes you can use. Sma[...]

Chapter 3 Getting Started 3-6 Chapter 3 Getting Started Loading a cassette It is not possible to load a cassette unless the unit is powered on. Loading a cassette 1 Turn the POWER switch on. 2 Raise the lid of the cassette compartment. 3 Check that the “HUMID” indication is not showing in the status indication panel, then insert the cassette. F[...]

Chapter 3 Getting Started Chapter 3 Getting Started 3-7 3-2-4 Checking the Remaining T ape When a tape is loaded, the “TAPE” indication appears in the status indication panel, and the seven segments flash. When the tape transport starts, the display continues to flash for several seconds, then the segments switch to displaying the amount of tap[...]

Chapter 3 Getting Started 3-8 Chapter 3 Getting Started 3-3 Adjusting the Displa y and Indicator Brightness Depending on the environmental conditions, it is possible to adjust the brightness of the display panels and indicators. Adjusting the brightness of the display panels and indicators In a dark environment If the displays and indicators are ha[...]

Chapter 4 Recording Chapter 4 Recording 4-1 4-1 Preparations for Recording Chapter 4 Recording This section describes the connections and adjustments necessary before actually carrying out recording. 4-1-1 Connecting Digital Equipment The following figure shows an example of the connections required when using this unit with a camera, VTR, video mo[...]

Chapter 4 Recording 4-2 Chapter 4 Recording 4-1 Preparations for Recording 4-1-2 Connecting Analog Equipment The following figure shows an example of the connections required when using this unit with a camera, VTR, video monitor and other equipment fitted with analog inputs and outputs. Connecting analog equipment Color video camera with component[...]

Chapter 4 Recording Chapter 4 Recording 4-3 4-1-3 Making Video Input Settings Selecting the input video signal This unit accepts three different types of video input signals, selected by the video input selector switch as follows: • To select a composite video signal input to the VIDEO IN connector, select the left position (VIDEO IN). • To sel[...]

Chapter 4 Recording 4-4 Chapter 4 Recording 4-1 Preparations for Recording • When the input signal is component video, the meters indicate the Y, R-Y, and B-Y levels. The maximum values for R-Y and B-Y correspond to a 75 % color bar signal. CAMERA LEVEL Y R-Y B-Y • When the input signal is analog composite video, the meter indicates the sync si[...]

Chapter 4 Recording Chapter 4 Recording 4-5 Recording the same audio signals on channels 3 and 4 as on channels 1 and 2 By means of a setup menu setting, it is possible to record the same audio signals on channels 3 and 4 and channels 1 and 2. For details of the setup menu operation, see Section 6-3 “Setup Menu Settings,” item “DOUBLE REC” [...]

Chapter 4 Recording 4-6 Chapter 4 Recording 4-1 Preparations for Recording 3 If the display is not showing the audio level meters, press the DISPLAY button in the adjustment controls until the audio level meters appear. Pressing the DISPLAY button cycles the display through the audio level meters, video level meters, and setup menus. If the display[...]

Chapter 4 Recording Chapter 4 Recording 4-7 4-1-6 Setting Time V alues This section describes how to set user bit values, time code values and the real time. Open the lid covering the time code setting controls as shown in the following figure. Opening the lid covering the time code setting controls Setting a constant user bit value The user bit va[...]

Chapter 4 Recording 4-8 Chapter 4 Recording 4-1 Preparations for Recording 4 Use the SHIFT button and ADVANCE button to set the user bit value. SHIFT button : Cycles through the digits, flashing the digit to be changed. ADVANCE button : Increments the value of the flashing digit. Hexadecimal digits A to F appear in the seven- segment display as fol[...]

Chapter 4 Recording Chapter 4 Recording 4-9 3 Set the REAL TIME record/set switch to REC ON or OFF. 4 Use the SHIFT button and ADVANCE button to set the time code value. The range of values is from 00:00:00:00 to 23:59:59:29 (for NTSC) or 23:59:59:24 (for PAL). SHIFT button : cycles through the digits, flashing the digit to be changed. ADVANCE butt[...]

Chapter 4 Recording 4-10 Chapter 4 Recording The relationship between the switch position and the line represented is shown in the following table. The factory default positions are 6 and 8 (for NTSC) and C and E (for PAL) for switches A and B respectively. Switch position VITC insertion line No. NTSC PAL 01 0 — 11 0 — 21 2 9 31 3 1 0 41 4 1 1 [...]

Chapter 4 Recording Chapter 4 Recording 4-11 4-1-7 Loc king the Time Code Generator to an External Signal It is possible to lock this unit to an external time code generator, or alternatively to lock an external device to the time code generator in this unit. Locking this unit to an external time code 1 Turn the POWER switch off. 2 Connect the time[...]

Chapter 4 Recording 4-12 Chapter 4 Recording Example connections for time code locking 4-1 Preparations for Recording Time code generator Reference signal REF IN REF OUT TC IN TC OUT TC IN TC OUT TC IN First DVW-250/250P Second DVW-250/250P Third DVW-250/250P Camera Camera Camera CAMERA CAMERA CAMERA GENLOCK IN GENLOCK IN GENLOCK IN Time Code Locki[...]

Chapter 4 Recording Chapter 4 Recording 4-13 4-2 Procedures for Recording This section describes how to prevent inadvertent operations during recording, and how to carry out the actual recording. 4-2-1 Preventing Inadvertent Operations During Recor ding Preventing inadvertent operations To prevent an unintended operation from affecting the unit, du[...]

Chapter 4 Recording 4-14 Chapter 4 Recording 4-2 Procedures for Recording Recording the input signals from the VIDEO IN connector or SDI IN connector 1 Switch the POWER switch on, and load a cassette. 2 Hold down the REC button, and press the PLAY button. Recording starts, except that if there is no video signal input to the VIDEO IN connector or S[...]

Chapter 4 Recording Chapter 4 Recording 4-15 4-2-3 A udio Dubbing on the Cue T rack In the Digital Betacam format, in addition to the digital audio channels recorded on the diagonal tracks, there is also a longitudinal track, referred to as the cue track, which can record a single analog audio channel. The cue track can be used when adding an audio[...]

Chapter 4 Recording 4-16 Chapter 4 Recording 4-2 Procedures for Recording Audio dubbing Audio dubbing on the cue track 1 Switch the POWER switch on, and load a cassette. 2 Adjust the recording level of the audio source to be recorded on the cue track. For details, see the section “Adjusting the recording levels” (page 4-5). 3 Press the PLAY but[...]

Chapter 5 Playback Chapter 5 Playback 5-1 5-1-1 Selecting the Sound to Be Monitored Use the MONITOR SELECT switches to select the audio signals output from the EARPHONE jack and HEADPHONES jack during playback. When the CH- 3/4 OUT switch is in the MON position, these switches also select the audio output from channels 3 and 4 of the AUDIO OUT conn[...]

Chapter 5 Playback 5-2 Chapter 5 Playback 5-1 Preparations for Playback 5-1-3 Using a Field Pic kup Unit for Signal T ransmission Audio signals Audio signals from the DVW-250/250P to the FPU are output through channels 3 and 4 of the AUDIO OUT connectors. Connections and settings The following figure illustrates example connections for transmitting[...]

Chapter 5 Playback Chapter 5 Playback 5-3 5-2 Procedures for Playback 5-2-1 Normal Speed Playback Playback at normal speed 1 Switch the POWER switch on, and load a cassette. 2 Press the PLAY button. Video and audio playback starts. 3 Turn the AUDIO PB LEVEL control knobs to adjust the audio playback levels. 4 To end playback, press the STOP button.[...]

Chapter 5 Playback 5-4 Chapter 5 Playback 5-2 Procedures for Playback 4 To end the search operation, press the STOP button. Automatic ending of the search operation If the tape transport is not operated for eight minutes after pressing the SEARCH button, the search operation is automatically ended to protect the tape.[...]

Chapter 5 Playback Chapter 5 Playback 5-5 5-3 Reading and Displa ying Time Code and User Bits During playback, the internal time code reader reads the time code and user bits recorded on the tape. You can display the time code values read in the status indication panel. Displaying time code or user bit values in the status indication panel Displayi[...]

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Chapter 6 Setup Operations Chapter 6 Setup Operations 6-1 6-1 Setup Menu Organization Chapter 6 Setup Operations The initial setup menu (referred to as the top menu) gives access to seven submenus. Each of these is used to display and change the settings of various items. In some cases there are also further nested submenus. The following diagram s[...]

Chapter 6 Setup Operations 6-2 Chapter 6 Setup Operations 6-2 Basic Setup Procedure Making setup menu settings Making setup menu settings 1 Press the DISPLAY button in the adjustment controls once or twice until the setup menu appears in the display. Pressing the DISPLAY button cycles the display through the video level meters, setup menus, and aud[...]

Chapter 6 Setup Operations Chapter 6 Setup Operations 6-3 EXIT EXIT OFF: Picture will not shift by processing the output video. ON: Picture shifts if recorded color framing is not continuous. When the color framing information in a recorded signal is not continuous, select whether or not to suppress the picture shift. 6-3 Setup Menu Settings Setup [...]

Chapter 6 Setup Operations 6-4 Chapter 6 Setup Operations 6-3 Setup Menu Settings Setup menu settings (Continued) Top menu item Submenu items (nested submenus in angle brackets) <AUDIO> INPUT 1/2 Select audio input for channels 1 and 2 when digital video input is selected. ANA : analog audio input DIGI : digital audio input INPUT 3/4 Select a[...]

Chapter 6 Setup Operations Chapter 6 Setup Operations 6-5 Top menu item Submenu items (nested submenus in angle brackets) Function Setting values <SYSTEM 3> <BANK> LOAD Select one of the bank numbers then press the SET buttonto read in the setup data from a memory bank. 0: factory default setup data. 1: setup data from bank 1. 2: setup [...]

Chapter 7 Editing System Configuration Chapter 7 Editing System Configuration 7-1 7-1 When Not Using an Editor Chapter 7 Editing System Configuration The following figure shows connections for using the DVW-250/250P as player and a DVW-A500/500/ A500P/500P Digital Videocassette Recorder as recorder. Example configuration not using an editor Player [...]

Chapter 7 Editing System Configuration 7-2 Chapter 7 Editing System Configuration 7-2 Using an Editor Example 1 The following figure shows connections for using the DVW-250/250P as player, a DVW-A500/500/A500P/ 500P Digital Videocassette Recorder as recorder, and a BVE-series editing control unit. Example configuration using an editor (1) Player mo[...]

Chapter 7 Editing System Configuration Chapter 7 Editing System Configuration 7-3 Example 2 The following figure shows connections for using two DVW-250/250P units as recorder and player, with a BVE-series editing control unit. Example configuration using an editor (2) Recorder monitor RECORDER PLAYER REF VIDEO INPUT BVE-series editing control unit[...]

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Index I-1 Index Index Inde x A AC power supply 3-3 AC-550/550CE AC Adaptor 3-3 Adjustment controls 2-6 ADVANCE button 2-9 Analog equipment connecting 4-2 system configuration 1-2 Audio adjusting the recording levels 4-5 dubbing on the cue track 4-15 input settings 4-5 level meters 4-6 recording 4-13 <AUDIO> 6-4 Audio connectors and controls 2[...]

Index I-2 Index Index R Reading and displaying time code and user bits 5-5 REAL TIME insertion time code selection switch 2-9 REAL TIME record/set switch 2-9 REC button and indicator 2-2 REC RUN 6-4 Recording LTC 4-10 monitoring mode for recording 4-7 preparations 4-1 procedures 4-13 tape recording format 1-1 time code and user bits 4-9 Recording l[...]

Appendixes Appendixes A-1 W arning Indications Appendixes If a fault occurs during operation, a warning is given by an indication in the status indication panel, and the WARNING indicator lights or flashes. If you are monitoring the audio with headphones or an earphone, there is also an audible warning tone. If a warning is given, use the following[...]

Appendixes A-2 Appendixes Fitting the shoulder strap Attaching the shoulder strap clips Adjusting the length of the shoulder strap Fitting the optional carrying case (BKDW-250) 1 Remove the carrying case from its packing, and insert the cushioning material to give the case its shape. 2 Insert the DVW-250/250P in the carrying case. 3 Do up the side [...]

Appendixes Appendixes A-3 Specifications General Power requirements 12 V DC +5.0 V/–1.0 V Power consumption Approx. 28 W (with CONFI switch at OFF, SDI OUT setting at OFF) 39 W maximum Operating temperature 0 °C to 40 °C (32 °F to 104 °F) Storage temperature –20 °C to +60 °C (–4 °F to 140 °F) Operating relative humidity 25 % to 85 % M[...]

Appendixes A-4 Appendixes Audio system Sampling frequency 48 kHz (video sync) Quantization 20 bits/sample Input A/D quantization 20 bits/sample Output D/A quantization 18 bits/sample Frequency response 20 Hz to 20 kHz +0.5 dB/ –1.0 dB (reference level) Dynamic range 95 dB minimum (1 kHz, emphasis on) Distortion 0.04% or less (1 kHz, emphasis on, [...]

Appendixes Appendixes A-5 DC OUT (miniature 4-pin × 1) Power supply to BVR-3 Remote Controller RFU DC OUT, VIDEO OUT, AUDIO OUT Interface for RF modulator Processor adjustment ranges Video input and output adjustment ranges ±3 dB System sync phase ±2 µs Supplied accessories Shoulder strap (1) Operation Manual (1) Maintenance Manual Part 1 (1) R[...]

The material contained in this manual consists of information that is the property of Sony Corporation and is intended solely for use by the purchasers of the equipment described in this manual. Sony Corporation expressly prohibits the duplication of any portion of this manual or the use thereof for any purpose other than the operation or maintenan[...]

DVW-250/250P(UC/SY, ) 3-800-583- 04 (1) Printed in Japan 2001.06.13  1995 Sony Cor poration B & P Company[...]