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DIGITAL BETACAM CAMCORDER
DVW-707/707P
D VW-709WS/709WSP
/
D VW-790WS
SDI OUTPUT BOARD
BKDW-702
PICTURE CACHE BOARD
BKDW-703
IMAGE INVERTER BOARD
BKDW-704
790WSP
MAINTENANCE MANUAL Part 1
1st Edition (Revised 1)
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Table of Contents
Manual Structure
Purpose of this manual .............................................................................................. 5
Contents ..................................................................................................................... 6
Related manuals......................................................................................................... 6
1. Service Overview
1-1. Operating Conditions .................................................................................. 1-1
1-2. Supplied Accessories ..................................................................................1-1
1-3. Main Part Locations and Circuit Functions ................................................1-2
1-3-1. Printed Circuit Board Locations.................................................1-2
1-3-2. Circuit Functions ........................................................................1-4
1-3-3. Mechanical Part Locations .........................................................1-6
1-3-4. Sensor Locations and Functions.................................................1-8
1-4. Matching Connectors ................................................................................ 1-10
1-5. Signal Inputs and Outputs .........................................................................1-11
1-6. Removing/Reinstalling Outside Panel ......................................................1-14
1-7. Opening/Closing Inside Panel................................................................... 1-15
1-8. Removing/Reinstalling Cassette Compartment ........................................1-15
1-9. Removing/Reinstalling Plug-in Boards.....................................................1-17
1-9-1. DCP/DVP Board Assembly ..................................................... 1-17
1-9-2. SV-210 Board...........................................................................1-17
1-10. Switch/Slit Land Settings and LED Functions on the Boards ..................1-18
1-10-1. AXM-21 Board ........................................................................1-18
1-10-2. CNB-11 Board ......................................................................... 1-19
1-10-3. DCP-17 Board ..........................................................................1-20
1-10-4. DVP-17 Board.......................................................................... 1-21
1-10-5. HN-260 Board ..........................................................................1-22
1-10-6. TC-101 Board...........................................................................1-23
1-10-7. TG-207 Board
(for DVW-790WS/790WSP/709WS/709WSP only)...............1-24
1-10-8. DIF-75 Board (BKDW-702) ....................................................1-25
1-11. Ejecting the Cassette Tape Manually ........................................................1-26
1-12. Inserting the Cassette Tape With Outside Panel Removed.......................1-27
1-13. Cleaning When the Heads are Clogged ....................................................1-27
1-14. Fixtures and Adjustment Equipment.........................................................1-28
1-15. Battery for Memory Backup .....................................................................1-28
1-16. Replacing the DC-DC Converter .............................................................. 1-28
DVW-790WS/709WS/707
DVW-790WSP/709WSP/707P P1
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2. Diagnostics
2-1. Error Code ...................................................................................................2-1
2-1-1. Warning Indicators .....................................................................2-1
2-1-2. Error Codes ................................................................................2-1
2-2. Error Messages............................................................................................ 2-2
2-3. Display Panel and Lamp Operation Check .................................................2-2
2-4. Displaying the Servo Adjustment Data....................................................... 2-3
2-5. Displaying the Slack Information in the Past..............................................2-4
3. Setup Menu
3-1. Engineer Mode (Setup Menu) .....................................................................3-1
3-1-1. Fundamental Operation of the Setup Menu ...............................3-2
3-1-2. Contents of Setup Menu .............................................................3-3
3-1-3. Setup Menu List ....................................................................... 3-16
3-2. VTR (DIAG) Menu................................................................................... 3-25
4. Camera System Electrical Alignment
(Only for DVW-790WS/790WSP/709WS/709WSP)
4-1. General Information for Electrical Adjustment ..........................................4-1
4-1-1. Note for Adjustment................................................................... 4-1
4-1-2. Equipment/Fixtures ....................................................................4-1
4-1-3. Initial Setting for Switches .........................................................4-1
4-1-4. Maintaining the Grayscale Chart ............................................... 4-3
4-2. ENC Level Adjustment ...............................................................................4-5
4-3. TEST OUT Level Adjustment .................................................................... 4-6
4-4. VA Gain Adjustment...................................................................................4-7
4-5. White Shading Adjustment ......................................................................... 4-8
4-6. Gamma Correction Adjustment ..................................................................4-9
4-7. Black Set Adjustment................................................................................4-10
4-8. Flare Adjustment .......................................................................................4-11
4-9. Manual Knee and White Clip Adjustments ..............................................4-12
4-10. Crispening Adjustment (16:9)................................................................... 4-13
4-11. Level Depandent Adjustment (16:9) .........................................................4-13
4-12. H/V Ratio Adjustment (16:9).................................................................... 4-14
4-13. Detail Level Adjustment (16:9) ................................................................4-14
4-14. Crispening Adjustment (4:3)..................................................................... 4-15
4-15. Level Depandent Adjustment (4:3) ...........................................................4-15
4-16. H/V Ratio Adjustment (4:3)...................................................................... 4-16
4-17. Detail Level Adjustment (4:3) ..................................................................4-16
4-18. Skin Tone Adjustment...............................................................................4-17
4-19. Zebra Adjustment...................................................................................... 4-18
4-20. Automatic Iris Adjustment ........................................................................4-19
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DVW-790WSP/709WSP/707P P1
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5. Camera System Electrical Alignment
(Only for DVW-707/707P)
5-1. General Information for Electrical Adjustment ..........................................5-1
5-1-1. Note for Adjustment................................................................... 5-1
5-1-2. Equipment/Fixtures ....................................................................5-1
5-1-3. Initial Setting for Switches .........................................................5-1
5-1-4. Maintaining the Grayscale Chart ............................................... 5-2
5-2. ENC Level Adjustment ...............................................................................5-4
5-3. TEST OUT Adjustment ..............................................................................5-4
5-4. VA Gain Adjustment...................................................................................5-5
5-5. White Shading Adjustment ......................................................................... 5-6
5-6. Gamma Correction Adjustment ..................................................................5-7
5-7. Black Set Adjustment..................................................................................5-8
5-8. Flare Adjustment .........................................................................................5-8
5-9. Manual Knee and White Clip Adjustments ................................................5-9
5-10. Crispening Adjustment...............................................................................5-10
5-11. Level Depandent Adjustment.....................................................................5-10
5-12. H/V Ratio Adjustment................................................................................5-11
5-13. Detail Level Adjustment ............................................................................ 5-11
5-14. Skin Tone Adjustment................................................................................5-12
5-15. Zebra Adjustment....................................................................................... 5-13
5-16. Automatic Iris Adjustment .........................................................................5-14
6. Block Diagrams and Circuit Description
6-1. Circuit Description ......................................................................................6-1
6-2. Camera Overall Block Diagram.................................................................. 6-6
6-3. VTR Overall Block Diagrams.....................................................................6-8
7. Periodic Maintenance and Inspection
7-1. Cleaning ......................................................................................................7-1
7-1-1. General Information for Cleaning ..............................................7-1
7-1-2. Cleaning of Tape Running Surface of Upper Drum and
Video Heads ...............................................................................7-3
7-1-3. Cleaning of Tape Running Surface of Lower Drum and
Lead Surface...............................................................................7-4
7-1-4. Stationary Heads Cleaning .........................................................7-5
7-1-5. Cleaning of Tape Running System and Tape Cleaner ...............7-6
7-1-6. Cares After Using at Special Environment ................................ 7-7
7-2. Periodic Check ............................................................................................ 7-8
7-2-1. Hours Meter ............................................................................... 7-8
7-2-2. Periodic Check List ....................................................................7-9
DVW-790WS/709WS/707
DVW-790WSP/709WSP/707P P1
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8. Spare Parts
8-1. Notes on Repair Parts.................................................................................. 8-1
8-2. Recommended Replacement Parts ..............................................................8-2
9. Optional Boards Installation
9-1. BKDW-702 (DIF-75 board)........................................................................9-1
9-2. BKDW-703 (MY-93 board)........................................................................9-2
9-3. BKDW-704 (FM-65 board) ........................................................................9-4
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DVW-790WSP/709WSP/707P P1
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Purpose of this manual
Contents
Manual Structure
This manual is the Maintenance Manual Part 1 of the following models:
Digital Camcorder DVW-790WS/709WS/707,
DVW-790WSP/709WSP/707P
Sony SDI Output Board BKDW-702
Sony Picture Cache Board BKDW-703
Sony Image Inverter Board BKDW-704 (For DVW-790WS/790WSP/709WS/
709WSP only)
This manual is intended for use by trained system and service engineers, and
provides the information that is required to the primary services, maintenance of this
unit and installation of the optional boards (BKDW-702/703/704) .
This manual is organized by the following sections:
Section 1 Service Overview
Explains the locations of main parts, the functions of printed circuit boards, the
removal and reinstallation of cabinet, and the measures against troubles.
Section 2 Diagnostics
Explains the error messages and self-diagnostics.
Section 3 Setup Menu
Explains the setup menu (engineering mode) and VTR (DIAG) menu of this unit.
Section 4 Camera System Electrical Alignment
(Only for DVW-790WS/790WSP/709WS/709WSP)
Explains the electrical adjustments after installing/replacing the lens to/of the DVW790WS/790WSP/709WS/709WSP.
Section 5 Camera System Electrical Alignment
(Only for DVW-707/707P)
Explains the electrical adjustments after installing/replacing the lens to/of the DVW707/707P.
Section 6 Block Diagrams and Circuit Description
Describes the overall block diagrams and circuit description.
DVW-790WS/709WS/707
DVW-790WSP/709WSP/707P P1
Section 7 Periodic Maintenance and Inspection
Explains the cleaning procedures and periodic checks.
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Related manuals
Section 8 Spare Parts
Describes the notes on spare parts and list of parts which need the periodic maintenance.
Section 9 Optional Boards Installation
Explains the installation procedure of optional boards (BKDW-702/703/704) to this
unit.
Besides this “Maintenance Manual Part 1”, the following manuals are available for
this unit:
..
. Operation Manual (Supplied with this unit)
..
This manual is necessary for application and operation of this unit.
..
. Maintenance Manual Part 2 (available on request)
..
Volume-1 : Service Instructions
Volume-2 : Parts List and Diagrams
These manuals describe the information that premises the parts level service
(adjustments, board layouts, schematic diagrams, detailed parts list, etc.) for this
unit.
If these manuals are required, contact your local Sony Sales Office/Service
Center.
..
. BVF-V10/V10CE or BVF-V20W/V20WCE
..
Maintenance Manual (available on request)
This manual describes the service information of the supplied viewfinder.
If this manual is required, contact your local Sony Sales Office/Service Center.
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DVW-790WS/709WS/707
DVW-790WSP/709WSP/707P P1