Read Sony DCR-TRV75 / DCR-TRV75E / DCR-TRV80 / DCR-TRV80E (serv.man4) Service Manual online
6-53
DCR-TRV75/TRV75E/TRV80/TRV80E
3. Error Rate Check
3-1. Preparations before adjustments
Mode
Camera recording
Subject
Arbitrary
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
0
10
01
Set the data.
3
C
0D
C8
Set the data, and press PAUSE
button.
button.
4
0
10
00
Set the data.
5
Record the camera signal for
two minutes.
two minutes.
3-2. Error Rate Check
Mode
Playback
Signal
Recorded signal at “Preparations
before adjustments”
before adjustments”
Measurement Point
Display data of page: 3, address: 02, 03
Measuring Instrument
Adjustment remote commander
Adjustment Page
1C (Note2)
Adjustment Address
B3 to C8
Specified Value
Data of page: 3, address: 02 is “00”.
Data of page: 3, address: 03 is “00”.
Data of page: 3, address: 03 is “00”.
Note1:
When reading or writing the 1C page data, select page: 0, address:
10, and set data: 01, then select C page. The 1C page can be chosen
by this data setting.
After reading or writing, reset the data of page: 0, address: 10 to
“00”.
10, and set data: 01, then select C page. The 1C page can be chosen
by this data setting.
After reading or writing, reset the data of page: 0, address: 10 to
“00”.
Adjusting method:
Order Page Address Data
Procedure
1
Playback the recorded signal at
“Preparations before
adjustments”
“Preparations before
adjustments”
2
0
01
01
Set the data.
3
0
10
00
Set the data.
4
3
1D
Check that the data is “20”.
5
3
01
40
Set the data, and press PAUSE
button.
button.
6
3
02
Check that the data changes
from “40” to “00”.
from “40” to “00”.
7
3
03
Check that the data is “00”.
(Note2)
(Note2)
8
Perform “Processing after
Completing Adjustments”
Completing Adjustments”
Note2:
If the data is other than “00”, Error rate is abnormal.
For the contents of the abnormality, see the following table.
For the contents of the abnormality, see the following table.
Initial Value of Page 1C: Address: B3 to C8
Data of page: 3,
address: 03
address: 03
01
02
03
Contents of the abnormality
EVEN ch is abnormal.
ODD ch is abnormal.
EVEN ch and ODD ch are abnormal.
Note3:
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 6-3-4.)
surface. And after inputting initial values to page 1C: address: B3
to C8, perform re-adjustment. (See Table 6-3-4.)
Table 6-3-4.
Note4:
When writing the 1C page data, select page: 0, address: 10, and
set data: 01, then select C page.
After writing the initial values, reset the data of page: 0, address:
10 to “00”.
set data: 01, then select C page.
After writing the initial values, reset the data of page: 0, address:
10 to “00”.
3-3. Processing after Completing Adjustments
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
0
10
01
Set the data.
3
C
0D
00
Set the data, and press PAUSE
button.
button.
4
0
01
00
Set the data.
5
0
10
00
Set the data.
Address
B3
B4
B5
B6
B7
B8
B9
BA
Initial
value
00
00
00
00
00
80
00
00
Address
BB
BC
BD
BE
BF
C0
C1
C2
Initial
value
00
00
00
00
00
00
00
00
Address
C3
C4
C5
C6
C7
C8
Initial
value
80
00
00
00
00
00
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