5-37
8. Burst Cleaning Adjustment for PAL model
(CB-61 board)
Adjust to the optimum PAL chroma signal demodulation phase. If
the phase is not correct, moire distortion noises will stand out.
Mode
VTR stop
Signal
Color bar
Measurement Point
Pin
2
of CN9925 (VG)
Measuring Instrument
Oscilloscope
Adjustment Page
D
Adjustment Address
60
Specified Value
A = 0 ± 50mV
Note:
Perform “8. Burst Cleaning Adjustment for PAL model” and “9.
Color Adjustment for PAL model” alternately until each specified
value is satisfied.
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2)
Select page: D, address: 60, change the data and set the flicker
amplitude(A) of the cyan or green section to minimum.
3)
Press the PAUSE button of the adjustment remote commander.
4)
Select page: 0, address: 01, and set data: 00.
5)
Perform “Color Adjustment for PAL model”.
Fig. 5-3-31.
9. Color Adjustment for PAL model (CB-61 board)
Set the color saturation to the standard value. If deviated, the color
will be to dark or light.
Mode
VTR stop
Signal
Color bar
Measurement Point
Pin
2
of CN9925 (VG)
Measuring Instrument
Oscilloscope
Adjustment Page
D
Adjustment Address
6D
Specified Value
A = 0.54 ± 0.05V
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2)
Select page: D, address: 6D, change the data and set the voltage
(A) between the yellow and green to the specified value.
3)
Press the PAUSE button of the adjustment remote commander.
4)
Select page: 0, address: 01, and set data: 00.
5)
Check that the specified value of “Burst Cleaning Adjustment”
is satisfied, if not perform “Burst Cleaning Adjustment”.
Fig. 5-3-32.
Cyan
A
2H
Green
Yellow
A
2H
Summary of Contents for GV-D300 Operating Instructions (primary manual)
Page 9: ...1 2 ...
Page 10: ...1 3 ...
Page 11: ...1 4 ...
Page 12: ...1 5 ...
Page 13: ...1 6 ...
Page 14: ...1 7 ...
Page 15: ...1 8 ...
Page 16: ...1 9 ...
Page 17: ...1 10 ...
Page 18: ...1 11 ...
Page 19: ...1 12 ...
Page 20: ...1 13 ...
Page 21: ...1 14 ...
Page 22: ...1 15 ...
Page 23: ...1 16 ...
Page 24: ...1 17 ...
Page 25: ...1 18 ...
Page 26: ...1 19 ...
Page 27: ...1 20E ...
Page 30: ...2 3 2 4 CB 61 RJ 77 BOARDS 2 5 CONTROL SWITCH BLOCK FK 71 ...
Page 33: ...2 6E 2 12 CIRCUIT BOARDS LOCATION ...
Page 61: ...GV D300 D300E D900 D900E 4 85 4 86 4 87 AV IN OUT IO 62 4 88 ...
Page 62: ...GV D300 D300E D900 D900E 4 89 4 90 4 91 4 92 MULTI CONNECTOR EX 34 ...
Page 64: ...GV D300 D300E D900 D900E 4 96E CUSTOMER CONTROL CONTROL SW BLOCK FK 71 4 95 ...
Page 142: ...3 BLOCK DIAGRAMS PAGE 3 3 3 1 OVERALL BLOCK DIAGRAM 1 2 PAGE 3 8 3 3 POWER BLOCK DIAGRAM ...