Checking Component Video Output B-Y; Checking Component Video Output R-Y; Checking Rgb Output R - Sony DVP-LS755P Service Manual

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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
Signal
Measurement Point
Measuring Instrument
Specification
Checking method:
1) Confirm that the Y level is 1.00 ± 0.05 Vp-p.

6. Checking Component Video Output B-Y

<Purpose>
This checks component video output B-Y. If it is incorrect, cor-
TE rect colors will not be displayed when connected to, for instance,
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component input projector.
Mode
Signal
Measurement Point
Measuring Instrument
Specification
Checking method:
1) Confirm that the B-Y level is 700 ± 50 mVp-p.
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Play
Check the Color-bar (100%) signal
on DVD reference disc
COMPONENT VIDEO OUT (Y)
connector (75 Ω terminated)
Oscilloscope
1.00 ± 0.05 Vp-p
1.00 ± 0.05 Vp-p
Figure 7-5
Play
Check the Color-bar (100%) signal
on DVD reference disc
COMPONENT VIDEO OUT (C
connector (75 Ω terminated)
Oscilloscope
700 ± 50 mVp-p
700 ± 50 mVp-p
Figure 7-6
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7. Checking Component Video Output R-Y

<Purpose>
This checks component video output R-Y. If it is incorrect, cor-
rect colors will not be displayed when connected to, for instance,
component input projector.
Mode
Signal
Measurement Point
Measuring Instrument
Specification
Checking method:
1) Confirm that the R-Y level is 700 ± 50 mVp-p.

8. Checking RGB Output R

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<Purpose>
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This checks RGB output R. If it is incorrect, pictures will not be
displayed correctly in spite of connection to the TV with an EURO
AV connecting cord.
Mode
)
Signal
B
Measurement Point
Measuring Instrument
Specification
Checking method:
1) Confirm that the R level is 700 ± 100 mVp-p.
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Play
Check the Color-bar (100%) signal
on DVD reference disc
COMPONENT VIDEO OUT (C
connector (75 Ω terminated)
Oscilloscope
700 ± 50 mVp-p
700 ± 50 mVp-p
Figure 7-7
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Play
Check the Color-bar (100%) signal
on DVD reference disc
LINE (RGB)-TV connector
pin qg (75 Ω terminated)
Oscilloscope
700 ± 100 mVp-p
700 ± 100 mVp-p
Figure 7-8
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