Read Sony DCR-VX2200E (serv.man2) Service Manual online
6-56
DCR-VX2200E_ADJ
3-3.
SERVO AND RF SYSTEM ADJUSTMENTS
Before perform the servo and RF system adjustments, check that
the specified values of “Origin Oscillation check” of “1-3. CAM-
ERA SYSTEM ADJUSTMENTS” is satisfied.
Check that the data of page: 0, address: 10 is “00”. If not, select
page: 0, address: 10, and set the data “00”.
the specified values of “Origin Oscillation check” of “1-3. CAM-
ERA SYSTEM ADJUSTMENTS” is satisfied.
Check that the data of page: 0, address: 10 is “00”. If not, select
page: 0, address: 10, and set the data “00”.
Adjusting Procedure:
1. RF adjustment preparation
2. CAP FG duty adjustment
3. Switching position adjustment
4. SD error rate check
5. Processing after adjustments
1. RF adjustment preparation
2. CAP FG duty adjustment
3. Switching position adjustment
4. SD error rate check
5. Processing after adjustments
3-3-2. CAP FG Duty Adjustment (VC-597 board)
RadarW
RadarW
RadarW
Set the CAP FG signal duty cycle to 50% to establish an appropri-
ate capstan servo. If deviated, the uneven rotation of capstan and
noise can occur.
ate capstan servo. If deviated, the uneven rotation of capstan and
noise can occur.
Mode
VTR stop (VCR mode)
Signal
No signal
Measurement Point
Displayed data of page: 3, address:
03
03
Measuring Instrument
Adjusting remote commander
Adjustment Page
C
Adjustment Address
16
Specified value
The data of page: 3, address: 03 is
“00”
“00”
Note 1:
Check that the data of page: 0, address: 10 is “00”.
Adjusting method:
Order Page Address Data
Procedure
1
Close the cassette compart-
ment without inserting
cassette.
ment without inserting
cassette.
2
0
01
01
3
3
71
01
Press PAUSE (Write) button.
4
3
03
FF
Press PAUSE (Write) button.
5
C
16
20
Press PAUSE (Write) button.
6
3
01
1B
Press PAUSE (Write) button.
7
3
02
Check the data changes in
the following order
“1B”
the following order
“1B”
t “2B” t “00”
8
3
03
Check the data is “00”. (Note 2)
9
3
01
00
Press PAUSE (Write) button.
10
3
70
10
Press PAUSE (Write) button.
11
3
70
Check the data changes to
“11”.
“11”.
12
0
01
00
Note 2:
If the data is “01”, adjustment has errors or the mecha-
nism deck is defective.
If the data is “80”, the mechanism deck is in emergency
state or the end of tape was detected.
nism deck is defective.
If the data is “80”, the mechanism deck is in emergency
state or the end of tape was detected.
3-3-1. RF Adjustment Preparation
Turn on both of the LCD panel and EVF to check the influence
from the flexible cable from EVF to RF signal.
Set the data before “CAP FG duty adjustment”, “Switching posi-
tion adjustment”, “SD error rate check”.
from the flexible cable from EVF to RF signal.
Set the data before “CAP FG duty adjustment”, “Switching posi-
tion adjustment”, “SD error rate check”.
Data change method:
Order Page Address Data
Procedure
1
0
01
01
2
3
C4
67
3
3
C5
01
4
7
01
BF
5
7
02
FF
6
7
00
01
Press PAUSE (Write) button.
7
7
02
Check the data is “01”.
8
0
01
00
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