Sony DCR-IP45 - Micromv Digital Camcorder, Руководство по обслуживанию

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5-57
DCR-IP45/IP45E/IP55/IP55E
7-4. Mch AEQ & LMS Adjustment (VC-291 Board)
Adjust the equalizer to minimize the Mch error rate.
Mode Playback
Signal Recorded signal at “Preparations
Before Adjustments”
Measurement Point Data of page: 3, address: 01
Measuring Instrument Adjustment remote commander
Adjustment Page C
Adjustment Address 52 to 66, 68, 6A
Specified Value 00
Note1: The data of page: 0, address: 10 must be “00”.
Adjusting method:
Order Page Address Data Procedure
1 Playback the recorded signal at
“Preparations Before Adjustments”
2 0 01 01 Set the data.
3 9 9A 64 Set the data, and press PAUSE
button.
4 9 9C 13 Set the data, and press PAUSE
button.
Mch AEQ adjustment
5 3 00 0B Set the data, and press PAUSE
button.
6 3 01 Check that the data changes to “00”.
If the data doesn’t change to
“00”, there are errors. (Note2)
Mch LMS adjustment
7 3 00 11 Set the data, and press PAUSE
button.
8 3 01 Check that the data changes to “00”.
If the data doesn’t change to
“00”, there are errors. (Note3)
9 9 9C 10 Set the data, and press PAUSE
button.
10 9 9A 16 Set the data, and press PAUSE
button.
11 0 01 00 Set the data.
Note2: If the data doesn’t changes to “00”, AEQ adjustment has errors.
Contents of the error is written into page: 3, addresses: 06. See the
following table.
Note3:
If the data doesn’t changes to “00”, LMS adjustment has errors.
Contents of the error is written into page: 3, addresses: 02. See the
following table.
Data of page: 3,
address: 06
01
02
03
Contents of error
Pch adjustment has errors.
Mch adjustment has errors.
Adjustment was interrupted. (Eject etc.)
8. Error Rate Check (VC-291 Board)
Mode Camera recording and play back
Subject Arbitrary
Measurement Point Data of page: 3, address: 01, 02
Measuring Instrument Adjustment remote commander
Specified Value 00
Note1:
The data of page: 0, address: 10 must be “00”.
Adjusting method:
Order Page Address Data Procedure
1 9 9C Check that the data is “10”.
2 Enter the camera REC mode and
record the camera signal for
about 5 minutes.
3 Play back the recorded signal.
4 3 00 17 Set the data, and press PAUSE
button.
5 3 01 Check that the data changes to “00”.
If the data changes to “FF”,
there are errors (Note2).
Perform “AGC Adjustment and
AEQ & LMS Adjustment” again.
Note2:
If the data changes to “FF”, there are errors. Contents of the error
are written into page: 3, addresses: 02. See the following table.
Data of page: 3,
address: 02
01
02
Contents of error
LMS adjustment time out
Envelope is abnormal
Data of page: 3,
address: 02
01
02
03
Contents of error
Pch has errors.
Mch has errors.
Pch and Mch have errors.