5-48
3-3.
SERVO AND RF SYSTEM ADJUSTMENTS
Before perform the servo and RF system adjustments, check that
the specified value of “27 MHz/36MHz Origin Oscillation
Adjustment” of “3-4. VIDEO SYSTEM ADJUSTMENT” is
satisfied.
Adjusting Procedure:
1.
REEL FG adjustment
2.
PLL f
0
& LPF f
0
Pre-adjustment
3.
Switching position adjustment
4.
AGC center level adjustment
5.
APC & AEQ adjustment
6.
PLL f
0
& LPF f
0
final adjustment
7.
Hi8/standard 8 mm switching position adjustment
8.
CAP FG offset adjustment
1. REEL FG Adjustment (VC-235 board)
Mode
VTR stop
Measurement Point
Display data of page: 3, address: 03
Measuring Instrument
Adjustment remote commander
Adjustment Page
C
Adjustment Address
17, 30
Specified Value
Bit values of bit 1 and bit 3
are “0”
Adjusting method:
1)
Close the cassette compartment without loading a cassette and
complete loading.
2)
Select page: 0, address: 01, and set data: 01.
3)
Select page: 3, address: 01, set data: 1C, and press the PAUSE
button of the adjustment remote commander.
4)
Select page: 3, address: 02, and check that the data changes to
“00”.
5)
Select page: 3, address: 03, and check that bit values of bit 1
and bit 3 are “0”.
If bit value of bit 1 and bit 3 is “1”, there are errors. For the
error contents, see the following table. (For the bit values, refer
to “5-4. SERVICE MODE”, “4-3. 3. Bit value discrimination”)
Bit value of page: 3,
Error contents
address: 03
bit 3 = 1
S REEL is defective
bit 1 = 1
T REEL is defective
6) Select page: 0, address: 01, and set data: 00.
2. PLL f
0
& LPF f
0
Pre-adjustment (VC-235 board)
Mode
VTR stop
Measurement Point
Display data of page: 3, address: 03
Measuring Instrument
Adjustment remote commander
Adjustment Page
C
Adjustment Address
1F, 20, 22, 29
Specified Value
Bit values of bit 2, bit 3 and bit 6
are “0”
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2)
Select page: 3, address: 01, set data: 30, and press the PAUSE
button of the adjustment remote commander.
3)
Select page: 3, address: 02, and check that the data changes to
“00”.
4)
Select page: 3, address: 03, and check that bit values of bit2,
bit3 and bit6 are “0”.
If bit value of bit 2, bit 3 or bit 6 is “1”, there are errors. For the
error contents, see the following table. (For the bit values, refer
to “5-4. SERVICE MODE”, “4-3. 3. Bit value discrimination”)
Bit value of page: 3,
Error contents
address: 03
bit 6 = 1
LPF f
0
adjustment is defective
bit 3 = 1
PLL f
0
, fine adjustment is defective
bit 2 = 1
PLL f
0
, fine adjustment is defective
If bit value of bit 2 or bit 3 is “1”, select page: C, address: 21,
set the following data, and press the PAUSE button, and repeat
steps 2) to 4).
Setting data
When the data of page: C, address: 21 is “CA”
CE
When the data of page: C, address: 21 is “CE”
C6
When the data of page: C, address: 21 is “C6”
D2
When the data of page: C, address: 21 is “D2”
C2
5) Select page: 0, address: 01, and set data: 00.
Содержание D8 Digital Handycam DCR-TRV420E
Страница 104: ...DCR TRV320 TRV320E TRV320P TRV420E TRV520 TRV520E TRV520P TRV525 TRV620E TRV720 TRV720E 4 69 4 70 USER CONTROL CF 69 ...
Страница 108: ...DCR TRV320 TRV320E TRV320P TRV420E TRV520 TRV520E TRV520P TRV525 TRV620E TRV720 TRV720E 4 77 4 78 USER CONTROL CF 70 ...
Страница 110: ...DCR TRV320 TRV320E TRV320P TRV420E TRV520 TRV520E TRV520P TRV525 TRV620E TRV720 TRV720E 4 81 4 82 USER CONTROL CF 72 ...
Страница 252: ... 321 FOR CAMERA OPTICAL AXIS ADJUSTMENT 0 180 90 67 5 22 5 337 5 292 5 247 5 202 5 157 5 112 5 8 4 5 7 1 6 2 3 270 ...