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Agc Adjustment (vc-291 Board); Pch Aeq & Lms Adjustment (vc-291 Board) - Sony DCR-IP45 Service Manual

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DCR-IP45/IP45E/IP55/IP55E
7-2.

AGC Adjustment (VC-291 Board)

Adjust the AGC of IC1301.
Mode
Signal
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
Note1: The data of page: 0, address: 10 must be "00".
Adjusting method:
Order Page Address Data
1
2
0
01
3
9
9A
4
9
9C
5
3
00
6
3
01
7
9
9C
8
9
9A
9
0
01
Note2: If the data doesn't changes to "00", adjustment has errors. Contents
of the error is written into page: 3, addresses: 02. See the following
table.
Data of page: 3,
address: 02
01
Gain was smaller than a specified value.
02
Gain was larger than a specified value.
03
Gain exceeded a specified range.
04
Gain exceeded a specified range.
Playback
Recorded signal at "Preparations
Before Adjustments"
Data of page: 3, address: 01
Adjustment remote commander
C
6B
00
Procedure
Playback the recorded signal at
"Preparations Before Adjustments"
01
Set the data.
64
Set the data, and press PAUSE
button.
11
Set the data, and press PAUSE
button.
09
Set the data, and press PAUSE
button.
Check that the data changes
from "09" to "00".
If the data doesn't change to
"00", there are errors. (Note2)
10
Set the data, and press PAUSE
button.
16
Set the data, and press PAUSE
button.
00
Set the data.
Contents of error
7-3.
Pch AEQ & LMS Adjustment (VC-291 Board)
Adjust the equalizer to minimize the Pch error rate.
Mode
Signal
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
Note1: The data of page: 0, address: 10 must be "00".
Adjusting method:
Order Page Address Data
1
2
0
01
3
9
9A
4
9
9C
5
3
00
6
3
01
7
3
00
8
3
01
9
9
9C
10
9
9A
11
0
01
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.
Data of page: 3,
address: 06
01
Pch adjustment has errors.
02
Mch adjustment has errors.
Adjustment was interrupted. (Eject etc.)
03
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: 02
01
LMS adjustment time out
02
Envelope is abnormal
5-56
Playback
Recorded signal at "Preparations
Before Adjustments"
Data of page: 3, address: 01
Adjustment remote commander
C
3D to 51, 67, 69
00
Procedure
Playback the recorded signal at
"Preparations Before Adjustments"
01
Set the data.
64
Set the data, and press PAUSE
button.
11
Set the data, and press PAUSE
button.
Pch AEQ adjustment
0A
Set the data, and press PAUSE
button.
Check that the data changes to "00".
If the data doesn't change to
"00", there are errors. (Note2)
Pch LMS adjustment
10
Set the data, and press PAUSE
button.
Check that the data changes to "00".
If the data doesn't change to
"00", there are errors. (Note3)
10
Set the data, and press PAUSE
button.
16
Set the data, and press PAUSE
button.
00
Set the data.
Contents of error
Contents of error

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