Sony DVP-S335, Service Manual

Page: 88 / 115

7-3
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 Video level adjustment in test mode
Signal Color bars
Test point
COMPONENT VIDEO OUT (Y)
connector (75
Ω
terminated)
Instrument Oscilloscope
Specification 1.0 ± 0.1 Vp-p
Checking method:
1) Confirm that the Y level is 1.0 ± 0.1 Vp-p.
Figure 7-5
6. Checking RGB Output R (MB-86 BOARD)
<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
In test mode,
Push
[0]
for Syscon Diagnosis and
push
[7]
for Video and push
[5]
for
RGB out
Signal Color bars
Test point
EURO AV 1 (RGB)-TV connector
pin
qg (75
Ω
terminated)
Instrument Oscilloscope
Specification 700 ± 70 mVp-p
Checking method:
1) Confirm that the R level is 700 ± 70 mVp-p.
Figure 7-6
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
In test mode,
Push
[0]
for Syscon Diagnosis and
push
[7]
for Video and push
[5]
for
RGB out
Signal Color bars
Test point
EURO AV 1 (RGB)-TV connector
pin
qa
(75
Ω
terminated)
Instrument Oscilloscope
Specification 700 ± 70 mVp-p
Checking method:
1) Confirm that the G level is 700 ± 70 mVp-p.
Figure 7-7
8. Checking RGB Output B (MB-86 BOARD)
<Purpose>
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.
Mode
In test mode,
Push
[0]
for Syscon Diagnosis and
push
[7]
for Video and push
[5]
for
RGB out
Signal Color bars
Test point
EURO AV 1 (RGB)-TV connector
pin
7
(75
Ω
terminated)
Instrument Oscilloscope
Specification 700 ± 70 mVp-p
Checking method:
1) Confirm that the B level is 700 ± 70 mVp-p.
Figure 7-8
1.0 ± 0.1 Vp-p
700 ± 70 mVp-p
700 ± 70 mVp-p
700 ± 70 mVp-p