JVC TK-C675BE, Руководство по обслуживанию

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Item Mode Adjustment procedure
Measuring
instrument &
Input signals
No.
Measuring point ( )
Adjustment parts ( )
Adjustment level ( )
1) Set lens iris so that the white level of color
bar chart is 0.65Vp-p at VIDEO output.
2) Adjust the R-Y gain (indoor) data so that the
Red signal level is 0.46Vp-p at video output.
3) Adjust the B-Y gain (indoor) data so that the
Blue signal level is 0.36Vp-p at video output.
17 Color differ-
ence gain
(indoor/
outdoor)
adjustment (INDOOR)
• Color bar chart
(just scan)
• Oscilloscope
(H-rate, 10:1)
VIDEO output
LENS IRIS
0.65Vp-p
VIDEO output
A2h [R-Y gain(indoor)]
A3h [B-Y gain (indoor)]
Red signal level:
0.46Vp-p
Blue signal level:
0.36Vp-p
1) Attach the filters (80C + 80C) to the lens.
2) Set lens iris so that the white level of the color
bar chart at the output is 0.46Vp-p.
3) Adjust the R-Y gain(outdoor) data so that the
Red signal level in the color bar signal is
0.32Vp-p.
4) Adjust the B-Y gain(outdoor) data so that the
Blue signal level in the color bar signal is
0.23Vp-p.
(OUTDOOR)
• Color bar chart
(just scan)
• Filter (80C +80C)
• Oscilloscope (H-
rate)
VIDEO output
LENS IRIS
0.46Vp-p
VIDEO output
A6h [R-Y gain(outdoor)]
A7h [B-Y gain (outdoor)]
Red signal level:
0.32Vp-p
Blue signal level:
0.23Vp-p
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Red
Blue
2-11
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -