DOWNLOAD Sony DVP-NS31P / DVP-NS41P / DVP-NS50P / DVP-NS52P Service Manual ↓ Size: 6.64 MB | Pages: 78 in PDF or view online for FREE

Model
DVP-NS31P DVP-NS41P DVP-NS50P DVP-NS52P
Pages
78
Size
6.64 MB
Type
PDF
Document
Service Manual
Brand
Device
DVD
File
dvp-ns31p-dvp-ns41p-dvp-ns50p-dvp-ns52p.pdf
Date
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Sony DVP-NS31P / DVP-NS41P / DVP-NS50P / DVP-NS52P Service Manual ▷ View online

7-2
DVP-NS50P/NS41P/NS52P
1.0 ± 0.08 Vp-p 
7-2.
ADJUSTMENT OF VIDEO SYSTEM
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 Progressive Video Output Level
<Purpose>
Check progressive video output level. If it is incorrect, correct
brightness will not be attained when connected to, for instance,
projector.
Mode
HLX-504 play back
Signal
Color bars 100%
Test point
COMPONENT VIDEO OUT (Y)
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 Y level is 1.0 ± 0.08 Vp-p.
Fig. 7-2.
3.
Checking S Video Output S-Y
<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) connector
(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 S Video Output S-C
<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) connector
(75 
Ω terminated)
Instrument
Oscilloscope
Specification
A = 286 ± 30 mVp-p (NTSC)
A = 300 ± 100 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 
7-3
DVP-NS50P/NS41P/NS52P
1.0 ±0.08 Vp-p 
A
B
5.
Checking Component Video Output Y
<Purpose>
This checks component video output Y. If it is incorrect, correct
brightness will not be attained when connected to, for instance,
projector.
Mode
HLX-504 play back
Signal
Color bars
Test point
COMPONENT VIDEO OUT (Y)
connector, (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 Y level is 1.0 ± 0.08 Vp-p.
Fig. 7-5.
6.
Checking Component Video Output B-Y
<Purpose>
This checks component video output B-Y. If it is incorrect, correct
colors will not be displayed when connected to, for instance, projector.
Mode
HLX-504 play back
Signal
Color bars
Test point
COMPONENT VIDEO OUT (P
B
)
connector (75 
Ω terminated)
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-Y level is A.
Fig. 7-6.
7.
Checking Component Video Output R-Y
<Purpose>
This checks component video output R-Y. If it is incorrect, correct
colors will not be displayed when connected to, for instance, projector.
Mode
HLX-504 play back
Signal
Color bars
Test point
COMPONENT VIDEO OUT (P
R
)
connector (75 
Ω terminated)
Instrument
Oscilloscope
Specification
B = 700 ± 70 mVp-p
Checking method:
1)
In the Video Signal menu “1” Color Bar 100% play back.
2)
Confirm that the R-Y level is B.
Fig. 7-7.
7-4E
DVP-NS50P/NS41P/NS52P
MEMO
8-1
SECTION 8
REPAIR PARTS LIST
The components identified by
mark 
  or dotted line with mark
  are critical for safety.
Replace only with part number speci-
fied.
Les composants identifiés par une
marque 
  sont critiquens pour la
sécurité.
Ne les remplacer que par une pièce
portant le numéro spécifié.
NOTE:
• -XX and -X mean standardized parts, so they
may have some difference from the original one.
• Items marked “*” are not stocked since they are
seldom required for routine service. Some de-
lay should be anticipated when ordering these
items.
• The mechanical parts with no reference number
in the exploded views are not supplied.
• Color Indication of Appearance Parts Example:
KNOB, BALANCE (WHITE) . . . (RED)
R
R
Parts Color Cabinet's Color
8-1. EXPLODED VIEWS
• Abbreviation
MY   : Malaysia Model
CND : Canadian Model
MX : Mexican Model
PX
: PX Model
E
: Latin America Model
ME5 : IND, PAK, MAR Model
EA
: Saudi Arabia Model
IR
: Iran Model
ME2 : Middle East
AUS : Australia/NZ Model
HK
: Hong Kong Model
SP
: Singapore Model
TW : Taiwan Model
KR
: Korean Model
DVP-NS50P/NS41P/NS52P
8-1-1. MAIN SECTION
ns : not supplied
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IN     : India
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