Sony DVPNS61 Service Manual - Page 81

Adjustment Of Video System, Dvp-ns36:aep,uk/ns37

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DVP-NS36/NS37/NS45P/NS55P/NS61P/NS63P 7-2. ADJUSTMENT OF VIDEO SYSTEM (DVP-NS36:AEP,UK/NS37) 1. Checking Video Level Checking Video Level the NTSC/PAL standard, and if not correct, the brightness will be too large or small. Mode HLX-504 play back Signal Color bars 100% Test point LINE OUT (VIDEO) connector (75 Ω terminated) Instrument Oscilloscope Specification 1.0 ± 0.08 Vp-p 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. 3. Checking Scart S Video Output S-Y (S-Video Mode) Check S-terminal video output. If it is incorrect, pictures will not be displayed correctly in spite of connection to the TV with a S-terminal cable. Mode HLX-504 play back Signal Color bars 100% Test point S VIDEO OUT (S-Y) (19p) (75 Ω terminated) Instrument Oscilloscope Specification 1.0 ± 0.08 Vp-p Checking method: 1) In the Video Signal menu "1" Color Bar 100% play back. 2) Confirm that the S-Y level is 1.0 ± 0.08 Vp-p. 1.0 ± 0.08 Vp-p 1.0 ±0.08 Vp-p Fig. 7-1. 2. Checking ScartVideo Output Level (Video Mode) Check scart video output level. If it is incorrect, correct brightness will be too large or small. Mode HLX-504 play back Signal Color bars 100% Test point VIDEO OUT (19p) connector (75 W terminated) Instrument Oscilloscope Specification 1.0 ± 0.08 Vp-p Adjusting method: (1) In the Video Signal menu "1" Color Bar 100% play back. (2) Confirm that the Y level is 1.0 ± 0.08 Vp-p. Fig. 7-3. 4. Checking Scart S Video Output S-C (S-Video Mode) This checks whether the S-C satisfies the NTSC/PAL standard. If it is not correct, the colors will be too dark or light. Mode HLX-504 play back Signal Color bars 100% Test point S VIDEO OUT (S-C) (15p) (75 Ω terminated) Instrument Oscilloscope Specification A = 286 ± 50 mVp-p (NTSC) A = 300 ± 50 mVp-p (PAL) Checking method: (1) In the Video Signal menu "1" Color Bar 100% play back. (2) Confirm that the S-C burst is "A". 1.0 ± 0.08 Vp-p A Fig. 7-2. Fig. 7-4. 7-2

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7-2
DVP-NS36/NS37/NS45P/NS55P/NS61P/NS63P
1.0 ± 0.08 Vp-p
7-2.
ADJUSTMENT OF VIDEO SYSTEM
(DVP-NS36:AEP,UK/NS37)
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
HLX-504 play back
Signal
Color bars 100%
Test point
LINE OUT (VIDEO) connector
(75
Ω
terminated)
Instrument
Oscilloscope
Specification
1.0 ± 0.08 Vp-p
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.
Fig. 7-1.
2.
Checking Scart Video Output Level (Video Mode)
<Purpose>
Check scart video output level. If it is incorrect, correct brightness
will be too large or small.
Mode
HLX-504 play back
Signal
Color bars 100%
Test point
VIDEO OUT (19p)
connector (75 W terminated)
Instrument
Oscilloscope
Specification
1.0 ± 0.08 Vp-p
Adjusting method:
(1)
In the Video Signal menu “1” Color Bar 100% play back.
(2)
Confirm that the Y level is 1.0 ± 0.08 Vp-p.
Fig. 7-2.
3.
Checking Scart S Video Output S-Y
(S-Video Mode)
<Purpose>
Check S-terminal video output. If it is incorrect, pictures will not be
displayed correctly in spite of connection to the TV with a S-terminal
cable.
Mode
HLX-504 play back
Signal
Color bars 100%
Test point
S VIDEO OUT (S-Y) (19p)
(75
Ω
terminated)
Instrument
Oscilloscope
Specification
1.0 ± 0.08 Vp-p
Checking method:
1)
In the Video Signal menu “1” Color Bar 100% play back.
2)
Confirm that the S-Y level is 1.0 ± 0.08 Vp-p.
Fig. 7-3.
4.
Checking Scart S Video Output S-C
(S-Video Mode)
<Purpose>
This checks whether the S-C satisfies the NTSC/PAL standard. If it is
not correct, the colors will be too dark or light.
Mode
HLX-504 play back
Signal
Color bars 100%
Test point
S VIDEO OUT (S-C)
(15p)
(75
Ω
terminated)
Instrument
Oscilloscope
Specification
A = 286 ± 50 mVp-p (NTSC)
A = 300 ± 50 mVp-p (PAL)
Checking method:
(1)
In the Video Signal menu “1” Color Bar 100% play back.
(2)
Confirm that the S-C burst is “A”.
Fig. 7-4.
A
1.0 ± 0.08 Vp-p
1.0 ±0.08 Vp-p