Board Replacement; Replacement Procedure - Sony Betacam SX DNW-A100 Maintenance Manual
Digital video hybrid recorder
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Also See for Betacam SX DNW-A100:
- Maintenance manual (506 pages) ,
- Operation manual (134 pages) ,
- Brochure & specs (14 pages)
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6-9. VPR-17 Board Replacement
The electrical adjustments are essential after the VPR-17 board is replaced.
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When the VPR-17 board is replaced, the adjustments for both 525/60 and 625/50 systems are required.
Be sure to perform all adjustments to maintain the all functions even if that DNW is not carried out the
525/625 system switching.
In the section 6-9, expresses the 525/60 and 625/50 systems as follows:
Model
DNW-A100/A50/A45
DNW-A100P/A50P/A45P
To performed the electrical adjustments, the following equipment and fixtures are required.
. Composite video signal generator (Sign is SG1.)
For DNW-A100/A50/A45:
For DNW-A100P/A50P/A45P:
. Composite video signal generator (Sign is SG2.)
For DNW-A100/A50/A45:
For DNW-A100P/A50P/A45P:
. Composite waveform/vector monitor
For DNW-A100/A50/A45:
For DNW-A100P/A50P/A45P:
. Oscilloscope:
. Component waveform monitor:
. Frequency counter:
. Extension board:
. 75 Z terminators (3 pcs.)
. 75 Z BNC T adapter (1 pc.)
. Composite video monitor(s):
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. For NTSC (525/60 system) and PAL (625/50 system) are required.
. Having the switchable monitor of the NTSC and PAL is a convenience.
6-9-1. Replacement Procedure
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Turn off the POWER switch before starting the replacement.
(1) Remove the upper lid and board retainer(L). (Refer to "6-1-3. Plug-in Board Pulling out/Insertion".)
(2) Replace the VPR-17 board. (Refer to Section 6-1-3.)
(3) Perform the electrical adjustments (Section 6-9-2).
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The extension board is used some part of the electrical adjustments.
(4) Return the states of S1100-1 on the SS-63 board, control panels, and connector panel to their previous
states.
(5) Turn off the POWER switch, then wait for 30 seconds.
(6) Reattach the board retainer(L) and upper lid. (Refer to Section 6-1-3.)
DNW-A100/A50/A45
DNW-A100P/A50P/A45P
525/60 system
Standard system
Another system
TEKTRONIX TSG-170A or equivalent
TEKTRONIX TSG-271 or equivalent
TEKTRONIX 1410 or equivalent
TEKTRONIX 1411 or equivalent
TEKTRONIX 1750, 1780R, or equivalent
TEKTRONIX 1751, 1781R, or equivalent
TEKTRONIX 2465B or equivalent
TEKTRONIX WFM300 or equivalent
ADVANTEST TR5821AK or equivalent
EX-555 (SONY part No. A-8277-211-A)
Sony's BVM series, PVM series, etc.
625/50 system
Another system
Standard system
6-9. VPR-17 Board Replacement
6-115
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