Sony DVP-NS775V / DVP-NS780V Service Manual ▷ View online
7-2
DVP-NS775V/NS780V
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.
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
(75
Ω terminated)
Instrument
Oscilloscope
Specification
1.0 ± 0.05 Vp-p
Adjusting method:
1)
1)
In the Video Signal menu “1” Color Bar 100% play back.
2)
Confirm that the Video Level is 1.0 ± 0.05 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.
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
connector (75
Ω terminated)
Instrument
Oscilloscope
Specification
1.0 ± 0.05 Vp-p
Adjusting method:
1)
1)
In the Video Signal menu “1” Color Bar 100% play back.
2)
Confirm that the Y level is 1.0 ± 0.05 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.
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
(75
Ω terminated)
Instrument
Oscilloscope
Specification
1.0 ± 0.05 Vp-p
Checking method:
1)
1)
In the Video Signal menu “1” Color Bar 100% play back.
2)
Confirm that the S-Y level is 1.0 ± 0.05 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.
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
(75
Ω terminated)
Instrument
Oscilloscope
Specification
A = 286 ± 30 mVp-p (NTSC)
A = 300 ± 100 mVp-p (PAL)
A = 300 ± 100 mVp-p (PAL)
Checking method:
1)
1)
In the Video Signal menu “1” Color Bar 100% play back.
2)
Confirm that the S-C burst is “A”.
Fig. 7-4.
1.0 ± 0.05 Vp-p
1.0 ±0.05 Vp-p
A
1.0 ± 0.05 Vp-p
7-3
DVP-NS775V/NS780V
1.0 ±0.05 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.
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
connector, (75
Ω terminated)
Instrument
Oscilloscope
Specification
1.0 ± 0.05 Vp-p
Checking method:
1)
1)
In the Video Signal menu “1” Color Bar 100% play back.
2)
Confirm that the Y level is 1.0 ± 0.05 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.
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 = 646 ± 50 mVp-p (US,Canadian)
Checking method:
1)
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.
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
A = 646 ± 50 mVp-p (US,Canadian)
Checking method:
1)
1)
In the Video Signal menu “1” Color Bar 100% play back.
2)
Confirm that the R-Y level is B.
Fig. 7-7.
8-1
SECTION 8
REPAIR PARTS LIST
The components identified by
mark
mark
or dotted line with mark
are critical for safety.
Replace only with part number speci-
fied.
fied.
Les composants identifiés par une
marque
marque
sont critiquens pour la
sécurité.
Ne les remplacer que par une pièce
portant le numéro spécifié.
Ne les remplacer que par une pièce
portant le numéro spécifié.
NOTE:
• -XX and -X mean standardized parts, so they
• -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.
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
US
: USA model
CND : Canadian model
SP :
SP :
Singapore model
AUS :
Australian model
DVP-NS775V/NS780V
8-1-1. MAIN SECTION
ns : not supplied
a
a
f
f
g
g
d
d
e
6
7
8
5
9
9
qa
qk
ql
ql
ql
qh
1
qg
b
qs
qs
qd
qf
b
c
c
o
qf
e
qf
4
ws
9
9
9
2
8-2
DVP-NS775V/NS780V
Note :
The components identified
by mark
The components identified
by mark
or dotted line
with mark
are critical for
safety.
Replace only with par t
number specified.
Replace only with par t
number specified.
Note :
Les composants identifiés par
une marque
Les composants identifiés par
une marque
sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce portant le numéro spécifié.
Ne les remplacer que par une
pièce portant le numéro spécifié.
Ref. No.
Part No.
Description
Remark
1 A-1063-828-A MB-117 BOARD COMPLETE (
NS755V)
1 A-1075-845-A MB-117 BOARD COMPLETE (
NS780V:SP)
1 A-1082-057-A MB-117 BOARD COMPLETE (NS780V:AUS)
2 A-1063-834-A AV-086 BOARD COMPLETE
4 A-1063-830-A IF-115 BOARD COMPLETE (
2 A-1063-834-A AV-086 BOARD COMPLETE
4 A-1063-830-A IF-115 BOARD COMPLETE (
NS755V)
4 A-1063-840-A IF-115 BOARD COMPLETE (
NS780V:SP)
4 A-1063-8
43-A IF-115 BOARD COMPLETE (NS780V:AUS)
5 1-468-864-11 POWER BLOCK (SRV1577UC) (
NS755V)
5 1-468-865-11 POWER BLOCK (SRV1578WW) (
NS780V)
6 X-2023-514-1 PANEL ASSY, FRONT (
NS780V)
6 X-2021-820-1 PANEL ASSY, FRONT (
NS755V)
7
3-066-225-11
SONY BADGE (5-A)
8
X-2021-642-2
COVER ASSY, TRAY
9 3-077-331-21 +BV3 (3-CR)
11 1-828-450-11 POWER-SUPPLY CORD (NS780V:SP)
11 1-828-450-11 POWER-SUPPLY CORD (NS780V:SP)
11 1-828-452-11 POWER-SUPPLY CORD (NS780V:AUS)
11 1-828-451-11 POWER-SUPPLY CORD (NS755V)
12 3-070-883-41 SCREW, TAPPING
13 3-091-752-31 CASE, UPPER
14 3-077-331-11 +BV3 (3-CR)
15 3-073-096-01 LID, BATTERY CASE (NS755V)
15 3-073-096-11 LID, BATTERY CASE
11 1-828-451-11 POWER-SUPPLY CORD (NS755V)
12 3-070-883-41 SCREW, TAPPING
13 3-091-752-31 CASE, UPPER
14 3-077-331-11 +BV3 (3-CR)
15 3-073-096-01 LID, BATTERY CASE (NS755V)
15 3-073-096-11 LID, BATTERY CASE
(NS780V)
16 1-478-843-11 REMOTE COMMANDER (RMT-D171A) (NS775V)
16 1-478-843-21 REMOTE COMMANDER (RMT-D171P) (NS780V)
16 1-478-843-21 REMOTE COMMANDER (RMT-D171P) (NS780V)
18
3-088-489-01
INSULATOR PS
19
3-087-053-01
+BVTP2.6 (3CR)
22
2-055-460-01
SPECIAL SCREW (2.6x6, B)
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