Adjustment Of Video System - Sony DVP-NS611HP Service Manual

DVP-NS611HP/NS710H/NS710HP/NS717HP/NS718H/NS718HP/NS728H/NS728HP

7-2. ADJUSTMENT OF VIDEO SYSTEM

Euro Model
(DVP-NS718H:AEP,UK,RUS/
NS728H:AEP,UK,RUS)
1. Checking Video Level
<Purpose>
Checking Video Level the NTSC/PAL standard, and if not correct,
the brightness will be too large or small.
Mode
Signal
Test point
Instrument
Specification
Adjusting method:
(1) In the Video Signal menu "1" Color Bar 100% play back.
(2) Confirm that the Video Level is 1.0 ± 0.08 Vp-p.
2. Checking Scart Video Output Level (Video
Mode) (Euro Model)
<Purpose>
Check scart video output level. If it is incorrect, correct brightness
will be too large or small.
Mode
Signal
Test point
Instrument
Specification
Adjusting method:
(1) In the Video Signal menu "1" Color Bar 100% play back.
(2) Confirm that the video level is 1.0 ± 0.08 Vp-p.
HLX-504 play back
Color bars 100%
LINE OUT (VIDEO) connector
(75 Ω terminated)
Oscilloscope
1.0 ± 0.08 Vp-p
1.0 ± 0.08 Vp-p
Fig. 7-1.
HLX-504 play back
Color bars 100%
VIDEO OUT (19p)
connector (75 W terminated)
Oscilloscope
1.0 ± 0.08 Vp-p
1.0 ± 0.08 Vp-p
Fig. 7-2.
3. Checking RGB Output G (RGB Mode)
(Europe Model)
<Purpose>
This checks RGB video output G level. If it is incorrect, correct color
will not be remain some.
Mode HLX-504 play back
Signal Color bars
Green Out (11p) (75 Ω terminated)
Test point
Instrument Oscilloscope
Specification A = 700 ± 70mVp-p
Checking method:
(1) In the Video Signal menu "1" Color Bar 100% play back.
(2) Confirm that the G level is A.
4. Checking RGB Output B (RGB Mode)
(Europe Model)
<Purpose>
This checks RGB video output B level. If it is incorrect, correct
colors will not be displayed when connected to, for instance,
projector.
Mode HLX-504 play back
Signal Color bars
Blue Out, (7p) (75 Ω terminated)
Test point
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 level is A.
7-2
A
Fig. 7-3.
A
Fig. 7-4.