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Checking Component Video Output B-y; Checking Component Video Output R-y; Checking Rgb Output R; Checking Rgb Output G - Sony DVP-LS500 Service Manual

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5. Checking Component Video Output B-Y

<Purpose>
This checks component video output B-Y. If it is incorrect, cor-
rect colors will not be displayed when connected to, for instance,
component input projector.
Mode
Video level adjustment in test mode
Signal
Color bars
COMPONENT VIDEO OUT (C
Test point
connector (75 Ω terminated)
Instrument
Oscilloscope
700 ± 50 mVp-p
Specification
Checking method:
1) In the test mode initial menu "6" Video Level Adjustment, set
so that color bars are generated.
2) Confirm that the B-Y level is 700 ± 50 mVp-p.
Figure 7-5

6. 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
Video level adjustment in test mode
Signal
Color bars
COMPONENT VIDEO OUT (C
Test point
connector (75 Ω terminated)
Instrument
Oscilloscope
700 ± 50 mVp-p
Specification
Checking method:
1) In the test mode initial menu "6" Video Level Adjustment, set
so that color bars are generated.
2) Confirm that the R-Y level is 700 ± 50 mVp-p.
Figure 7-6

7. Checking RGB Output R

<Purpose>
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
Test point
Instrument
Specification
Checking method:
1) Confirm that the R level is 700 ± 100 mVp-p.
700 ± 50 mVp-p

8. Checking RGB Output G

<Purpose>
This checks RGB output G. 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
Test point
)
R
Instrument
Specification
Checking method:
1) Confirm that the G level is 700 ± 100 mVp-p.
700 ± 50 mVp-p
7-3
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 7-7
Play
Check the Color-bar (100%) signal
on DVD reference disc
LINE (RGB)-TV connector
pin qa (75 Ω terminated)
Oscilloscope
700 ± 100 mVp-p
700 ± 100 mVp-p
Figure 7-8

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