Sony DVPNS61 Service Manual - Page 84

Checking Component Video Output Y, Checking Component Video Output B-Y, Checking Component Video

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DVP-NS36/NS37/NS45P/NS55P/NS61P/NS63P 5. Checking Component Video Output Y This checks component video output Y. If it is incorrect, correct brightness will not be attained when connected to, for instance, projector. Mode HLX-504 play back Signal Color bars Test point COMPONENT VIDEO OUT (Y) connector, (75 Ω terminated) Instrument Oscilloscope Specification 1.0 ± 0.08 Vp-p Checking method: (1) In the Video Signal menu "1" Color Bar 100% play back. (2) Confirm that the Y level is 1.0 ± 0.08 Vp-p. 7. Checking Component Video Output R-Y This checks component video output R-Y. 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 COMPONENT VIDEO OUT (PR) connector (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 R-Y level is B. 1.0 ±0.08 Vp-p B Fig. 7-5. 6. Checking Component Video Output B-Y This checks component video output B-Y. 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 COMPONENT VIDEO OUT (PB) connector (75 Ω terminated) Instrument Oscilloscope Specification A = 700 ± 70 mVp-p Checking method: (1) In the Video Signal menu "1" Color Bar 100% play back. (2) Confirm that the B-Y level is A. Fig. 7-7. A Fig. 7-6. 77--55E

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DVP-NS36/NS37/NS45P/NS55P/NS61P/NS63P
1.0 ±0.08 Vp-p
A
B
5.
Checking Component Video Output Y
<Purpose>
This checks component video output Y. If it is incorrect, correct
brightness will not be attained when connected to, for instance,
projector.
Mode
HLX-504 play back
Signal
Color bars
Test point
COMPONENT VIDEO OUT (Y)
connector, (75
Ω
terminated)
Instrument
Oscilloscope
Specification
1.0 ± 0.08 Vp-p
Checking method:
(1)
In the Video Signal menu “1” Color Bar 100% play back.
(2)
Confirm that the Y level is 1.0 ± 0.08 Vp-p.
Fig. 7-5.
6.
Checking Component Video Output B-Y
<Purpose>
This checks component video output B-Y. 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
COMPONENT VIDEO OUT (P
B
)
connector (75
Ω
terminated)
Instrument
Oscilloscope
Specification
A = 700 ± 70 mVp-p
Checking method:
(1)
In the Video Signal menu “1” Color Bar 100% play back.
(2)
Confirm that the B-Y level is A.
Fig. 7-6.
7.
Checking Component Video Output R-Y
<Purpose>
This checks component video output R-Y. 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
COMPONENT VIDEO OUT (P
R
)
connector (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 R-Y level is B.
Fig. 7-7.
7-5E