Sony DVPNS61 Service Manual - Page 82

Checking RGB Output G RGB Mode, Checking RGB Output B RGB Mode, Checking RGB Output R RGB Mode

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DVP-NS36/NS37/NS45P/NS55P/NS61P/NS63P 5. Checking RGB Output G (RGB Mode) This checks RGB video output G level. If it is incorrect, correct color will not be remain some. Mode HLX-504 play back Signal Color bars Test point Green Out (11p) (75 Ω terminated) Instrument Oscilloscope Specification A = 700 ± 70mVp-p Checking method: (1) In the Video Signal menu "1" Color Bar 100% play back. (2) Confirm that the G level is 1.0 ± 0.08 Vp-p. 7. Checking RGB Output R (RGB Mode) This checks RGB video output R level. If it is incorrect, correct colors will not be displayed when connected to, for instance, projector. Mode HLX-504 play back Signal Color bars Test point Red Out, (15p) (75 Ω terminated) Instrument Oscilloscope Specification C = 700 ± 70 mVp-p Checking method: (1) In the Video Signal menu "1" Color Bar 100% play back. (2) Confirm that the R level is B. A Fig. 7-5. 6. Checking RGB Output B (RGB Mode) This checks RGB video output B level. If it is incorrect, correct colors will not be displayed when connected to, for instance, projector. Mode HLX-504 play back Signal Color bars Test point Blue Out, (7p) (75 Ω terminated) Instrument Oscilloscope Specification B = 700 ± 70 mVp-p Checking method: (1) In the Video Signal menu "1" Color Bar 100% play back. (2) Confirm that the B level is A. C Fig. 7-7. B Fig. 7-6. 7-3

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7-3
DVP-NS36/NS37/NS45P/NS55P/NS61P/NS63P
5.
Checking RGB Output G (RGB Mode)
<Purpose>
This checks RGB video output G level. If it is incorrect, correct color
will not be remain some.
Mode
HLX-504 play back
Signal
Color bars
Test point
Green Out (11p) (75
Ω
terminated)
Instrument
Oscilloscope
Specification
A = 700 ± 70mVp-p
Checking method:
(1)
In the Video Signal menu “1” Color Bar 100% play back.
(2)
Confirm that the G level is 1.0 ± 0.08 Vp-p.
Fig. 7-5.
6.
Checking RGB Output B (RGB Mode)
<Purpose>
This checks RGB video output B level. If it is incorrect, correct colors
will not be displayed when connected to, for instance, projector.
Mode
HLX-504 play back
Signal
Color bars
Test point
Blue Out, (7p) (75
Ω
terminated)
Instrument
Oscilloscope
Specification
B = 700 ± 70 mVp-p
Checking method:
(1)
In the Video Signal menu “1” Color Bar 100% play back.
(2)
Confirm that the B level is A.
Fig. 7-6.
A
B
C
7.
Checking RGB Output R (RGB Mode)
<Purpose>
This checks RGB video output R level. If it is incorrect, correct colors
will not be displayed when connected to, for instance, projector.
Mode
HLX-504 play back
Signal
Color bars
Test point
Red Out, (15p) (75
Ω
terminated)
Instrument
Oscilloscope
Specification
C = 700 ± 70 mVp-p
Checking method:
(1)
In the Video Signal menu “1” Color Bar 100% play back.
(2)
Confirm that the R level is B.
Fig. 7-7.