Sony HVR M15U - Professional Video Cassete recorder/player, Руководство по обслуживанию

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HVR-M15J/M15U/M15N/M15E/M15P/M15C
3. Error Rate Check (VD-036 board)
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Note:
Check that the data of page: 0, address: 10 is “00”.
3-1. Preparations before adjustments
Mode Recording
Signal Arbitrary (color bar etc.)
Switch setting
1) HDV/DV SEL (IN/OUT REC menu) ................................ DV
Adjusting method:
Order Page Address Data Procedure
1 0 01 01
2 0 10 01
3
C
0D CC Press PAUSE (Write) button.
(1C)
4 0 10 00
5
Record the input signal for 2
minutes.
3-2. Error Rate Check
Mode Playback
Signal Recorded signal at “Preparations
before adjustments”
Measurement Point Displayed data of page: 3, address:
03
Measuring Instrument Adjusting remote commander
Adjustment Page 1C
Adjustment Address B3 to C8
Specified value The data of page: 3, address: 03 is
“00”
Note 1: If reading/writing data on pages 1C, set data: 01 to page:
0, address: 10, and then select pages: C. By this data set-
ting, the pages 1C can be selected.
After the data reading/writing finished, return the data
on page: 0, address: 10 to “00”.
Initial Value of Page 1C: Address: B3 to C8
Address
Initial
Address
Initial
Address
Initial
value value value
B3 00 BB 00 C3 80
B4 00 BC 00 C4 00
B5 00 BD 00 C5 00
B6 00 BE 00 C6 00
B7 00 BF 00 C7 00
B8 80 C0 00 C8 00
B9 00 C1 00
BA 00 C2 00
Table 6-2-4
Adjusting method:
Order Page Address Data Procedure
1 0 01 01
2
Check that the data of page:
1C, address: B3 to C8 is the
initial value. (See Table 6-2-
4)
3
Playback the recorded signal
at “Preparations before
adjustments”.
4 3 03 FF
5 3 01 40 Press PAUSE (Write) button.
6 3 02
Check the data changes to
“00”.
7 3 03 Check the data is “00”. (Note 2)
8
Perform “Processing after
Completing Adjustments”.
Note 2: If the data is other than “00”, Error rate is abnormal.
For the contents of the abnormality, see the following
table.
Data of page: 3,
Contents of defect
address: 03
01 EVEN channel is abnormal.
02 ODD channel is abnormal.
03
EVEN channel and ODD channel are
abnormal.
Note 3: If Error rate is abnormal, Check the use tape, clean the
tape running surface. And after inputting initial values to
page 1C: address: B3 to C8, perform re-adjustment. (See
Table 6-2-4)
Processing after Completing Adjustment:
Order Page Address Data Procedure
1 0 01 01
2 0 10 01
3
C
0D 00 Press PAUSE (Write) button.
(1C)
4 0 10 00
5 0 01 00