Sony SRW-5000 Maintenance Manual page 173

[F3] (HDCAM DT) Key
Performs the automatic adjustments of the DT system offset level and the gain for
the HECAM and Digital BETACAM format playback.
m
. Perform this adjustment in 59.94 Hz mode. This adjustment does not need to be
adjusted in other modes.
. Use the alignment tape HR5-1A for the adjustment. The adjustment cannot be
performed correctly with a non-specified cassette tape.
. Cue up the alignment tape to the time code 00:10:00:00 in advance.
When using the alignment tape not located to the time code 00:10:00:00, exit the
maintenance mode and cue it up. Then eject the alignment tape once.
Execution Procedure
1. On the DT/SAT ADJUST menu, press the [F3] (HDCAM DT) key to display
the HDCAM DT ADJUST menu.
2. Press the [SET] key.
3. Insert the alignment tape HR5-1A located to the time code 00:10:00:00 (color-
bar signal).
. When the alignment tape is inserted, the check starts automatically. The
message "Auto Adjusting..." is displayed during the adjustment.
. After the automatic adjustment for the DT offset is completed, the automatic
adjustment for the DT gain starts. (About 30 seconds)
4. Confirm the result of the adjustments.
. When the adjustments are completed normally, the message "Auto Adjust
Complete" and the adjusted value are displayed, and the alignment tape is
automatically ejected.
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If "Auto Adjust Failure" is displayed, refer to "If automatic adjustments
failed".
5. To save the adjusted data, press the [F1] (NVRAM CTL) key to display the
NV-RAM CONTROL menu, and execute "SAVE ALL DATA".
If automatic adjustments failed
If "Auto Adjust Failure" is displayed while the adjustment menu is being executed,
perform the following:
1. On the DT/SAT CHECK menu, press the [F2] (HDCAM DT) key to perform
the operation check for the DT head. (Refer to Section 3-3-5.)
2. When no malfunction was found in step 1, perform the adjustment again. If the
automatic adjustments failed again, perform the following step 3 or 4.
3. If the DT offset adjustment failed
Check that the RF ENVELOPE signal passes through the test point TP1310/
1311 on the SS-95 board.
. If it does not: Check the EQ-94 board.
. If it does:
Check the SS-95 board.
4. If the DT gain adjustment failed
Check the SS-95 and DT-47 boards.
SRW-5000/5500
NVRAM DT/SAT ADJUST
F1
CTL
HDCAM DT ADJUST
HDSR
F2
DT
Press SET key.
HDCAM
F3 DT
HDSR
SAT
F4
HDCAM HDSR
DIAG
SAT DT MES
ALT F5 F6 F7 F8 F9 F10
2. [SET]
DT/SAT ADJUST
SET ALIGNMENT TAPE
HR5-1A for HDCAM
3. Insert the
alignment tape
DT/SAT ADJUST
1. DT offset
Auto Adjust Complete
CH1: 5 CH2: 5
2. DT gain
Auto Adjusting. . .
DT/SAT ADJUST
1. DT offset
Auto Adjust Complete
CH1: 5 CH2: 5
2. DT gain
Auto Adjust Complete
CH1: 428 CH2: 427
SRW-5500
EXIT
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