PanasonicメーカーAJ-SD755の使用説明書/サービス説明書
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VQT0F46 Printed in Japan S0903W @ P Model No. AJ- P Operating Instructions Digital Video Cassette Recor der Before operating this product, please read the instructions carefully and save this manual for future use.
2 IMPORT ANT “Unauthorized recording of copyrighted television programs, video tapes and other materials may infringe the right of copyright owners and be contrary to copyright laws.
3 Intr oduction The model AJ-SD755 multi-purpose studio-use digital VTR employs 1/4-inch wide compact cassette tapes to record, play back and edit material in the DVCPRO (25 Mbps) format.
4 Features Multifunctional interface O Analog video input/output Both composite and component (Y, PB, PR) signal inputs/outputs are provided as standard. O SDI input/output Use of an SDI board (AJ-YA755G, optional accessory) enables input/output interfacing of the serial digital component signals.
5 Fr ont panel 1 POWER switch 2 Format display area The recording format and the format of the tape inserted in the unit are displayed here. DVCPRO: This indicates recording and playback of DVCPRO (25 Mbps) format tapes. DV: This indicates recording and playback of DV format tapes.
6 ON OFF POWER DV DVCPRO METER L R FULL/FINE MONITOR SELECT HEADPHONES MONITOR MIX INPUT SELECT PREVIEW/PREVIEW AUTO EDIT PREROLL VIDEO CH1 REC AUDIO CH2 CH1 CH2 TC PRESET MENU SET DIAG SUPER REC INH .
7 Fr ont panel = PLAYER and RECORDER buttons These buttons are operated if the VTR is to be used as a recorder to conduct editing operations with a VTR equipped with an RS-422A serial interface remote control connector (9 pins). Neither button works when the VTR is used on its own.
8 Fr ont panel E ASSEM button This button is pressed to proceed with assemble editing. It has a self-illuminating lamp which comes ON when the button is pressed and goes OFF when it is pressed again. F INSERT buttons The input signals to be edited when insert editing is to be conducted are selected by pressing one of these five buttons.
9 Fr ont panel M MONITOR SELECT (L andR) buttons These buttons are used to select the audio signals which are to be output to the MONITOR L and R connectors. Each time the L button is pressed, the signal to be output to the MONITOR L connector is changed in the following sequence: CH1 5 CH2 5 CUE.
10 Fr ont panel V DIAG button When this button is pressed, the VTR information is displayed. When it is pressed again, the original display is restored. The VTR information consists of the “ WARNING ” information, “ HOURS METER ” information and “ UMID ” information.
11 Displa y panel 1 WIDE lamp This lamp lights when 16:9 wide-screen information is being recorded on a tape. Recording of wide-screen information can be selected on setup menu No. 645 (WIDE SELECT). This lights lamps during tape playback when wide- screen information has been recorded on the tape.
12 9 EDIT, EDIT REC, REC and REC INH lamps EDIT: This lights when an editing mode has been selected. EDIT REC: This lights when the edit recording mode has been established.
13 Rear panel 1 AC IN socket Connect one end of the power cord supplied to this socket and the other end to the power outlet. 2 DIGITAL AUDIO IN and OUT connectors These are the input and output connectors for digital audio signals that comply with the AES/EBU standards.
14 Rear panel < Fan This fan is used to cool down the VTR. If, for any reason, the fan stops, “ E-10 ” will appear on the counter display. = SIGNAL GND terminal This is connected to the signal ground terminal on the component connected to this VTR in order to minimize noise.
PUSH PUSH PUSH AC IN SIGNAL GND AES/EBU ANALOG CH1/2 IN Y VIDEO VIDEO OUT SERVICE ONL Y REMOTE IN/OUT CH1 CH2 AUDIO IN ENCODER REMOTE RS-232C P ARALLEL REMOTE OUT IN REF VIDEO IN ON OFF P B P R Y1 2 (.
16 Connections with editing controller Connections ON OFF POWER DV DVCPRO METER L R FULL/FINE MONITOR SELECT HEADPHONES MONITOR MIX INPUT SELECT PREVIEW/PREVIEW AUTO EDIT PREROLL VIDEO CH1 REC AUDIO C.
17 ON OFF POWER DV DVCPRO METER L R FULL/FINE MONITOR SELECT HEADPHONES MONITOR MIX INPUT SELECT PREVIEW/PREVIEW AUTO EDIT PREROLL VIDEO CH1 REC AUDIO CH2 CH1 CH2 TC PRESET MENU SET DIAG SUPER REC INH.
18 Jog mode Jog/Shuttle 1 Press the search dial so that it remains pressed in. Check that the JOG lamp has lighted. Shuttle mode 1 Press the search dial so that it is released from the pressed-in position. The SHTL lamp lights, and the shuttle mode is established.
19 Manual editing 1 Select the editing mode. ASSEMBLE: Assemble (frame-to-frame continuity) editing is performed in this mode. INSERT: Insert editing is performed in this mode. 2 Select the channels to be edited. For insert editing, press the buttons corresponding to the channels to be edited so that their lamps light.
20 A utomatic editing (deck-to-dec k) 1 Set the POWER switch to ON. 2 Use the INPUT SELECT buttons to select the video and audio input signals. 3 Switch the time counter display to TC, CTL or UB. 4 If the recording levels are to be adjusted using the level controls, set the audio level control selector switch to the VAR position.
21 A utomatic editing (deck-to-dec k) 1 Select the editing mode. For assemble editing, press the ASSEM button. For insert editing, press the INSERT button. ASSEM: This sets the unit to assemble (frame-to-frame continuity) editing mode. INSERT: This sets the unit to insert editing mode.
22 A utomatic editing (deck-to-dec k) 1 Press the IN (or OUT) button to check the edit point. The value of the registered edit point appears on the display panel. 2 While holding down the IN (or OUT) button, press the PREROLL button and check the picture at the edit point.
23 A utomatic editing (deck-to-dec k) 1 Re-registering an edit point Locate the new edit point by performing the jog or shuttle operation, and press the IN (or OUT) button and SET button at the same time to re-register the edit point.
24 2 Upon completion of the editing, press the REVIEW button. Review is then started by the recorder side. O To stop the review at any time, press the STOP button. O When the edit OUT point is reached, the tape is post-rolled, after which it stops. 1 Press the AUTO EDIT button.
25 $ Displaying the audio split edit points The edit points appear on the display panel. Video IN point: Press the IN button. Video OUT point: Press the OUT button.
26 A udio split editing $ Duration display The duration can be indicated on the display panel only. Between the video IN and OUT points: Press the IN button and OUT button at the same time. Between the audio IN and OUT points: Press the A IN button and A OUT button at the same time.
27 ON OFF POWER DV DVCPRO METER L R FULL/FINE MONITOR SELECT HEADPHONES MONITOR MIX INPUT SELECT PREVIEW/PREVIEW AUTO EDIT PREROLL VIDEO CH1 REC AUDIO CH2 CH1 CH2 TC PRESET MENU SET DIAG SUPER REC INH.
28 4 Upon completion of the setting, release the search button. The item number now flashes. O When the search dial is in the SHTL mode, the item will move unless the dial is set to the center position. 5 When other items are to be changed, repeat steps 2 to 4 .
29 Setup menus 1 Press the MENU button. 2 When the FF button is pressed while holding down the DIAG button, the next user file is selected; conversely, when the REW button is pressed while holding down the DIAG button, the previous user file is selected.
30 Setup menus 1 Press the MENU button. 2 Press the REW button or FF button while holding down the DIAG button to select the USER1 file. 4 Turn the search dial while holding down the search button to select the user file whose contents are to be loaded into USER1.
31 Setup menus 1 Press the MENU button. 2 Press the REW button or FF button while holding down the DIAG button to select the USER1 file. 4 Turn the search dial while holding down the search button to select the user file in which the contents of USER1 are to be saved.
32 Setup menus SYSTEM menu No./Item Description The underlined items indicates the initial setting. 00 WFM SEL This selects the signal to output from the VIDEO OUT 2 connector. 0000 CTL : The CTL signal is output. 0001 TC : The TIME CODE signal is output.
33 Setup menus The underlined items indicates the initial setting. SYSTEM menu No./Item Description 18 SYS H OFFSET System phase adjustment. 0000 –3 : –13.4 µsec 0001 –2 : –8.96 µsec 0002 –1 : –4.52 µsec 0003 0 : 0 sec 0004 1 : +4.52 µsec 0005 2 : +8.
34 Setup menus The underlined items indicates the initial setting. USER menu <BASIC> No./Item Description 000 P-ROLL TIME This sets the preroll time.
35 Setup menus The underlined items indicates the initial setting. USER menu <BASIC> No./Item Description 015 MONI CONTROL This sets whether the recorder is to be forcibly set to the EE mode and.
36 Setup menus The underlined items indicates the initial setting. USER menu <OPERATION> No./Item Description 100 SEARCH ENA This selects the direct search dial operation. 0000 DIAL : For direct search dial operations. 0001 KEY : Operation is not transferred to the search mode unless the search button is pressed.
37 Setup menus The underlined items indicates the initial setting. USER menu <OPERATION> No./Item Description 111 FRZ MODE SEL This selects the output picture in the STANDBY OFF (HALF LOADING) and EJECT modes. 0000 DIS : The video output is muted.
38 Setup menus The underlined items indicates the initial setting. USER menu <OPERATION> No./Item Description 114 REC INH LAMP This selects whether to cause the REC INH lamp to flash or light up when the cassette has been set to the accidental erasure prevention status.
39 Setup menus The underlined items indicates the initial setting. USER menu <INTERFACE> No./Item Description 200 PARA RUN This selects whether two or more VTRs are to be operated in synchronization.
40 309 EDIT RPLCEC The same type of setting as setup menu No. 305. This selects the channel concerned when the CUE edit preset is set in compliance with the ON or OFF presetting for the analog audio signals designated by the controller. 0000 N-DEF : Not set.
41 Setup menus The underlined items indicates the initial setting. USER menu <EDIT> No./Item Description 320 VAR FWD MAX This sets the maximum SLOW FWD speed. 0000 +4.1 : +4.1 (+3.1) a speed 0001 +1.85 : +1.85 a speed 0002 +1 : +1 a speed <Notes> O The value for the DV/DVCAM tape is shown in parenthesis ( ).
42 Setup menus The underlined items indicates the initial setting. USER menu <TAPE PROTECT> No./Item Description 400 STILL TIMER This menu item is for selecting the time to elapse before the tape protection mode is established when a DVCPRO tape is used.
43 Setup menus The underlined items indicates the initial setting. USER menu <TIME CODE> No./Item Description 506 BINARY GP This sets the usage status of the user bit of the time code generated by the TCG.
44 511 VITC OUT This selects how the VITC which is to be superimposed onto the output video signal is to be output. 0000 SBC : During recording: The input time code, which was selected by the setup menu No. 505 (EXT TC SEL) setting and TCG switch, is output as the VITC.
45 Setup menus The underlined items indicates the initial setting. USER menu <VIDEO> No./Item Description No./Item Description 600 INT SG This selects the internal reference signal. 0001 BB : The black burst is generated. 0002 CB100 : 100% color bars are generated.
46 Setup menus The underlined items indicates the initial setting. USER menu <VIDEO> No./Item Description 622 SETUP For setting 7.5% setup processing to be performed on input and output signals. When the STOP button is pressed, operation is transferred to the sub-screen, and the setup level is set for each output.
47 Setup menus The underlined items indicates the initial setting. USER menu <VIDEO> No./Item Description 661 UMID GEN This selects the basic UMID information to be recorded on the tape when ON has been selected as the setup menu item No. 660 (UMID REC) setting.
48 Setup menus The underlined items indicates the initial setting. USER menu <AUDIO> No./Item Description No./Item Description 701 CH1 IN LV This selects the audio input (CH1) reference level switching. 0000 4dB 0001 0dB 0002 – 20dB 702 CH2 IN LV This selects the audio input (CH2) reference level switching.
49 <Concerning the CUE output in the search mode> The table below shows how the CUE output to the monitor and main signal system outputs differs according to how the setup menu item (No.
50 Setup menus The underlined items indicates the initial setting. USER menu <AUDIO> No./Item Description 750 DV PB ATT This selects the audio output level during DV playback. 0000 OFF : The audio output level is not attenuated. 0001 ON : The audio output level is attenuated (reduced).
51 No./Item Description 802 TELETEXT SEL For selecting the type of teletext signals to be recorded. 0000 MOJI : MOJI system 0001 NABTS : NABTS system <Note> VITC signals are often mistakenly detected as teletext signals when the NABTS system has been selected.
52 Setup menus The underlined items indicates the initial setting. USER menu <V BLANK> No./Item Description 803 TELETEXT DET 00 REC LINE1 : 12 REC LINE13 Sub-screen For selecting the method used to detect the lines in which the teletext signals are to be recorded.
53 Setup menus The underlined items indicates the initial setting. USER menu <MENU> No./Item Description A00 LOAD This selects the user file whose contents will be loaded into USER1. 0000 USER2 : The USER2 file contents are loaded. 0001 USER3 : The USER3 file contents are loaded.
54 Time code/user bit Time code The time code is used when the time code signal generated by the time code generator (time code signal generator) is to be recorded on the tape, its values are to be re.
55 Time code/user bit Setting the external time code 1 Set the VTR to stop mode. 3 Set the TCG switch to EXT. (External time code selection) 4 The following settings can be selected with setup menu No. 505 (EXT TC SEL). LTC: The LTC signal input to the TIME CODE IN connector (XLR) on the rear panel is recorded as TC.
56 Display position The position of the characters superimposed on the display can be changed using setup menus No. 009 (CHARA H-POS) and No. 010 (CHARA V-POS). Superimpose screen The control signals, time code, etc. are displayed using abbreviations.
57 Video output signals and serv o reference signal This section explains how the output signals and servo reference signal are selected. External synchr onization of video output signals The video output signals are output in synchronization with the REF VIDEO input signal or video input signal.
58 Video output signals and serv o reference signal Serv o reference signal The REF VIDEO input signal or video input signal is selected as the servo reference signal. As shown in the figure below, the signal is selected in accordance with the setup menu settings, VTR mode and availability of the video input signal.
59 A udio V fade function When editing tapes, the edit point splicing selection (setup menu No. 311 and 312) information is recorded on the tape. This information is then sensed during playback, and V fade or cut processing is automatically performed for these sections.
60 A udio recording c hannel and monitor output selection A udio recor ding channel The audio recording channels are selected on the AUDIO setup menu as shown below.
61 AB C D E F G H 2 Attach the outer member brackets to the rack. Check that the height is the same for the left and right brackets. 3 Remove the four screws at the front for attaching the left and right side panels. 4 Attach the AJ-MA75P rack mount adapter using the same 4 screws.
62 This unit is equipped with an auto head cleaning function which automatically reduces the amount of dirt on the video heads. However, in order to maximize the unit ’ s reliability, it is recommended that the video heads be cleaned as and when appropriate.
63 When a warning occurs in this unit, the error number is indicated on the counter display. Open the DIAG menu to display a description of the error on the counter display or monitor TV. When a operational malfunction has occurred in the unit, the error number flashes on the counter display.
64 H04 F LOADING Displays the number of times front loading has been performed in single units. $ Displaying the “HOURS METER” information Turn the search dial to move the cursor ( 2 ). The description for the item where the cursor is located is shown on the counter display.
65 W arning messages Err or messages Priority O Monitor display O Description O VTR operation and corrective action High E-04 (UNKNOWN SIG) This appears when the SDTI input signals are not DVCPRO or DV format signals. (The data stream format complies with the SMPTE 321M standard.
66 Err or messages Err or messages E-55 UNLOAD ERROR If the tape has not been taken up during unloading, this error number flashes on the display. VTR: STOP O Set the POWER switch to OFF and then to ON again.
67 Err or messages Err or messages Display O Description O VTR operation and corrective action E-78 M-IF COMM ERROR If a problem has been encountered in communication between the servo microcomputer and mechanism relay board, this error number flashes on the display.
68 The VTR can be operated by commands when the RS-232C interface is used. (See command table on pages 71, 72.) $ Conditions for ac knowledging commands from RS-232C interface O The front panel CONTROL switch must be at REMOTE. O The setup menu No. 204 “ RS232C SEL ” must be ON.
69 Software specifications (Pr otocol) 1. Communication parameter s RS-232C interface Communication system Asynchronous, full duplex Communication speed 300/600/1200/2400/4800/9600 Bit length 7bit/8 b.
70 RS-232C interface 3. Return format [VTR 5 controller (PC)] The following responses are made to the command. If necessary, more than one response is made. $ When the communication has terminated normally 1. The receive completion message is returned.
71 RS-232C interface 5. Command table $ Commands relating to operation control <Notes> O As for the return (completion) message, [ACK] is first returned when data is received, and the execution message is subsequently returned. It is only the execution message which is listed in this table.
72 RS-232C interface $ Commands relating to inquiries <Notes> O As for the return (completion) message, [ACK] is first returned when data is received, and the execution message is subsequently returned. It is only the execution message which is listed in this table.
73 SDTI interface Digital data input/output operations using the SDTI format (compressed digital interface) are enabled by installing the AJ-YAC930G SDTI board (optional accessory) in this unit. <Notes> SDTI (Serial Data Transport Interface) complies with the SMPTE 305M standard.
74 Connector signals VIDEO IN SDI IN (DIGITAL) BNC a 2, Active through (Option) Y, PB, PR (ANALOG) BNC a 3 VIDEO IN BNC a 2, Loop-through, 75 Ω termination switch provided REF VIDEO IN BNC a 2, Loop.
75 Connector signals P ARALLEL REMO TE (25P) Pin No. Signal 1 PLAY COMMAND 2 STOP COMMAND 3 FF COMMAND 4 REW COMMAND 5 REC COMMAND 6 EJECT COMMAND 7 STAND BY COMMAND 8 PREROLL COMMAND 9 IN SET COMMAND.
76 [GENERAL] indicates safety information. Power supply: AC 100 – 240 V, 50 – 60 Hz Power consumption: 110 W (with all options) Operating ambient temperature: 41 ° F to 104 ° F (5 ° C to 40 ° C) Operating ambient humidity: 10% to 80% (no condensation) Weight: 33.
77 Specifications [VIDEO] $ Video output connector Analog component output: BNC a 3 (Y, PB, PR) Y: 1.0 V [p-p], PB/PR: 0.486/0.7 V [p-p] switchable, 75 Ω (75% color bar, 7.
PANASONIC BROADCAST & TELEVISION SYSTEMS COMPANY UNIT COMPANY OF MATSUSHITA ELECTRIC CORPORATION OF AMERICA Executive Office: One Panasonic Way 4E-7, Secaucus, NJ 07094 (201) 348-7000 EASTERN ZONE.
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