Q Q 3 6 7 5. Checking Component Video Output Y; Checking Rgb Output R; Checking Rgb Output G; Checking Rgb Output B - Sony DVP-S335 Service Manual

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5. Checking Component Video Output Y
(MB-86 BOARD)
(DVP-S335: E, EA/S336: AUS/S345/S735D)
<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
Test point
Instrument
Specification
Checking method:
1) Confirm that the Y level is 1.0 ± 0.1 Vp-p.
6. Checking RGB Output R (MB-86 BOARD)
<Purpose>
TE This checks RGB output R. If it is incorrect, pictures will not be
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displayed correctly in spite of connection to the TV with an EURO
AV connecting cord.
Mode
Signal
Test point
Instrument
Specification
Checking method:
1) Confirm that the R level is 700 ± 70 mVp-p.
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Video level adjustment in test mode
Color bars
COMPONENT VIDEO OUT (Y)
connector (75 Ω terminated)
Oscilloscope
1.0 ± 0.1 Vp-p
1.0 ± 0.1 Vp-p
Figure 7-5
In test mode,
[0]
Push for Syscon Diagnosis and
[7]
push for Video and push
RGB out
Color bars
EURO AV 1 (RGB)-TV connector
pin qg (75 Ω terminated)
Oscilloscope
700 ± 70 mVp-p
700 ± 70 mVp-p
Figure 7-6
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7. Checking RGB Output G (MB-86 BOARD)
<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
Instrument
Specification
Checking method:
1) Confirm that the G level is 700 ± 70 mVp-p.
8. Checking RGB Output B (MB-86 BOARD)
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<Purpose>
3 6 7 1 3 1 5
This checks RGB output B. If it is incorrect, pictures will not be
displayed correctly in spite of connection to the TV with an EURO
AV connecting cord.
[5]
for
Mode
Signal
Test point
Instrument
Specification
Checking method:
1) Confirm that the B level is 700 ± 70 mVp-p.
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9 4 2 8
In test mode,
[0]
Push for Syscon Diagnosis and
[7]
push for Video and push
RGB out
Color bars
EURO AV 1 (RGB)-TV connector
pin qa (75 Ω terminated)
Oscilloscope
700 ± 70 mVp-p
700 ± 70 mVp-p
Figure 7-7
0 5 8 2 9 9 4 2 8
In test mode,
[0]
Push for Syscon Diagnosis and
[7]
push for Video and push
RGB out
Color bars
EURO AV 1 (RGB)-TV connector
pin 7 (75 Ω terminated)
Oscilloscope
700 ± 70 mVp-p
700 ± 70 mVp-p
Figure 7-8
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[5]
for
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[5]
for