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Switching Position Adjustment (vc-291 Board); Xrec Act Adjustment (vc-291 Board) - Sony DCR-IP45 Service Manual

Digital video camera rcorder.
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DCR-IP45/IP45E/IP55/IP55E

4. Switching Position Adjustment (VC-291 Board)

Adjust the phase of the SWP signal (Switching pulse of the play
back head).
Mode
Signal
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
Note1: The data of page: 0, address: 10 must be "00".
Note2: Check that the data of page: 9, address: 9A is "16".
Adjusting method:
Order Page Address Data
1
2
0
01
3
C
30
4
C
31
9A
5
C
32
6
C
33
9A
7
3
0A
8
3
0B
9
0
01
Note3: If the data changes to "FF", adjustment has errors. Contents of the
error are written into page: 3, addresses: 0C and 0D. See the
following tables.
Data of page: 3,
address: 0C
Mechanism mode error (For example, the
01
adjustment is performed in the mode except
for the play back mode.)
Adjustment mode error (The data of page: 3,
02
address: 0A was changed during the
adjustment.)
03
Sync isn't played back at all.
04
Mch sync error (Time out in 30 sec.)
05
Pch sync error (Time out in 30 sec.)
06
Mch and Pch error (Time out in 30 sec.)
Data of page: 3,
address: 0D
Pch adjustment value exceeded a specified
01
range. (The adjustment data aren't changed.)
Mch adjustment value exceeded a specified
02
range. (The adjustment data aren't changed.)
Mch and Pch adjustment values exceeded a
03
specified range. (The adjustment data aren't
changed.)
Playback
SW A&V tape
(XH8-2(NTSC), XH8-3(PAL))
Data of page: 3, address: 0B
Adjustment remote commander
C
30 to 33
00
Procedure
Insert the SW A&V tape and
enter the play back mode.
01
Set the data.
19
Set the data, and press PAUSE
button.
Set the data, and press PAUSE
button.
19
Set the data, and press PAUSE
button.
Set the data, and press PAUSE
button.
30
Set the data, and press PAUSE
button.
Check that the data changes to
"00".
If the data changes to "FF",
there are errors. (Note3)
00
Set the data.
Contents of error
Contents of error

5. XREC ACT Adjustment (VC-291 Board)

Adjust the phase of the XREC ACT signal (Switching pulse of the
recording head).
Mode
Subject
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
Note1: Perform "Switching Position Adjustment" before this adjustment.
Note2: The data of page: 0, address: 10 must be "00".
Note3: Check that the data of page: 9, address: 9A is "16".
Adjusting method:
Order Page Address Data
1
2
3
0
01
4
3
0A
5
3
0B
6
0
01
Note4: If the data changes to "FF", adjustment has errors. Contents of the
error are written into page: 3, addresses: 0C and 0D. See the
following tables.
Data of page: 3,
address: 0C
Mechanism mode error (For example, the
01
adjustment is performed in the mode except
for the play back mode.)
Adjustment mode error (The data of page: 3,
02
address: 0A was changed during the
adjustment.)
03
Sync isn't played back at all.
04
Mch sync error (Time out in 30 sec.)
05
Pch sync error (Time out in 30 sec.)
06
Mch and Pch error (Time out in 30 sec.)
Data of page: 3,
address: 0D
Pch adjustment value exceeded a specified
01
range. (The adjustment data aren't changed.)
Mch adjustment value exceeded a specified
02
range. (The adjustment data aren't changed.)
Mch and Pch adjustment values exceeded a
03
specified range. (The adjustment data aren't
changed.)
5-54
Camera recording and play back
Arbitrary
Data of page: 3, address: 0B
Adjustment remote commander
C
34 to 37
00
Procedure
Enter the camera REC mode and
record the camera signal for
about 1 minute.
Play back the recorded signal.
01
Set the data.
31
Set the data, and press PAUSE
button.
Check that the data changes to "00".
If the data changes to "FF",
there are errors. (Note4)
00
Set the data.
Contents of error
Contents of error

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