Sony DVP-NS715P Service Manual ▷ View online
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
Video level adjustment in test mode
Signal
Color bars
Test point
S VIDEO OUT (S-Y) connector
(75
(75
Ω terminated)
Instrument
Oscilloscope
Specification
1.00
± 0.05 Vp-p
Checking method:
1) In the test mode initial menu “6” Video Level Adjustment, set
1) In the test mode initial menu “6” Video Level Adjustment, set
so that color bars are generated.
2) Confirm that the S-Y level is 1.00
± 0.05 Vp-p.
Figure 7-3
4. Checking S Video Output S-C
<Purpose>
This checks whether the S-C satisfies the NTSC Standard. If it is
not correct, the colors will be too dark or light.
This checks whether the S-C satisfies the NTSC Standard. If it is
not correct, the colors will be too dark or light.
Mode
Video level adjustment in test mode
Signal
Color bars
Test point
S VIDEO OUT (S-C) connector
(75
(75
Ω terminated)
Instrument
Oscilloscope
Specification
A = 286
± 30 mVp-p (NTSC)
Checking method:
1) In the test mode initial menu “6” Video Level Adjustment, set
1) In the test mode initial menu “6” Video Level Adjustment, set
so that color bars are generated.
2) Confirm that the S-C burst is “A”.
Figure 7-4
7-2. ADJUSTMENT OF VIDEO SYSTEM
1. Video Level Adjustment (MB-103 BOARD)
<Purpose>
This adjustment is made to satisfy the NTSC standard, and if not
adjusted correctly, the brightness will be too large or small.
This adjustment is made to satisfy the NTSC standard, and if not
adjusted correctly, the brightness will be too large or small.
Mode
Video level adjustment in test mode
Signal
Color bars
Test point
LINE OUT (VIDEO) connector
(75
(75
Ω terminated)
Instrument
Oscilloscope
Adjusting element
RV501
Specification
1.00 Vp-p
Adjusting method:
1) In the test mode initial menu “6” Video Level Adjustment, set
1) In the test mode initial menu “6” Video Level Adjustment, set
so that color bars are generated.
2) Adjust the RV501 to attain 1.00 Vp-p.
Figure 7-1
2. Progressive Video Output Level Adjustment
(MB-103 BOARD)
<Purpose>
This adjustments progressive video output. If it is incorrect, cor-
rect brightness will not be attained when connected to, for instance,
projector.
This adjustments progressive video output. If it is incorrect, cor-
rect 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
connector (75
Ω terminated)
Instrument
Oscilloscope
Adjusting element
RV502
Specification
1.00
Vp-p
Adjusting method:
1) In the test mode initial menu “7” Prog Level Adjustment, set
1) In the test mode initial menu “7” Prog Level Adjustment, set
so that color bars are generated.
2) Adjust the RV502 to attain 1.00
Vp-p
Figure 7-2
+0.04
–0.02
–0.02
A
+0.04
–0.02
–0.02
1.00 Vp-p
+0.04
–0.02
–0.02
1.00
±
0.05 Vp-p
+ 0.04
– 0.02
– 0.02
+ 0.04
– 0.02
– 0.02
1.00
Vp-p
+ 0.04
– 0.02
– 0.02
7-3
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
Video level adjustment in test mode
Signal
Color bars
Test point
COMPONENT VIDEO OUT (Y)
connector (75
connector (75
Ω terminated)
Instrument
Oscilloscope
Specification
1.00
± 0.05 Vp-p
Checking method:
1) In the test mode initial menu “6” Video Level Adjustment, set
1) In the test mode initial menu “6” Video Level Adjustment, set
so that color bars are generated.
2) Confirm that the Y level is 1.00
± 0.05 Vp-p.
Figure 7-5
6. Checking Component Video Output B-Y
<Purpose>
This checks component video output B-Y. If it is incorrect, cor-
rect colors will not be displayed when connected to, for instance,
projector.
This checks component video output B-Y. If it is incorrect, cor-
rect colors will not be displayed when connected to, for instance,
projector.
Mode
Video level adjustment in test mode
Signal
Color bars
Test point
COMPONENT VIDEO OUT (P
B
)
connector (75
Ω terminated)
Instrument
Oscilloscope
Specification
648
± 50 mVp-p
Checking method:
1) In the test mode initial menu “6” Video Level Adjustment, set
1) In the test mode initial menu “6” Video Level Adjustment, set
so that color bars are generated.
2) Confirm that the B-Y level is 700
± 50 mVp-p.
Figure 7-6
7. Checking Component Video Output R-Y
<Purpose>
This checks component video output R-Y. If it is incorrect, cor-
rect colors will not be displayed when connected to, for instance,
projector.
This checks component video output R-Y. If it is incorrect, cor-
rect colors will not be displayed when connected to, for instance,
projector.
Mode
Video level adjustment in test mode
Signal
Color bars
Test point
COMPONENT VIDEO OUT (P
R
)
connector (75
Ω terminated)
Instrument
Oscilloscope
Specification
648
± 50 mVp-p
Checking method:
1) In the test mode initial menu “6” Video Level Adjustment, set
1) In the test mode initial menu “6” Video Level Adjustment, set
so that color bars are generated.
2) Confirm that the R-Y level is 700
± 50 mVp-p.
Figure 7-7
648
±
50 mVp-p
648
±
50 mVp-p
1.00
±
0.05 Vp-p
7-6 E
7-3. ADJUSTMENT RELATED PARTS ARRANGEMENT
MB-103 BOARD (SIDE A)
HS12S1U BOARD (SIDE A)
RV502
RV501
CS OUT
COMP OUT
13
1
CN201
IC403
8-1
DVP-NS715P
NOTE:
• -XX and -X mean standardized parts, so they may
have some difference from the original one.
• Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color
Cabinet's Color
• Items marked “*” are not stocked since they are
seldom required for routine service. Some delay
should be anticipated when ordering these items.
should be anticipated when ordering these items.
• The mechanical parts with no reference number in
the exploded views are not supplied.
• Accessories and packing materials are given in the
last of the electrical parts list.
SECTION 8
REPAIR PARTS LIST
8-1.
EXPLODED VIEWS
The components identified by mark
0 or dotted line with mark 0 are
critical for safety.
Replace only with part number speci-
fied.
critical for safety.
Replace only with part number speci-
fied.
Les composants identifiés par une
marque 0 sont critiquens pour la
sécurité.
Ne les remplacer que par une pièce
portant le numéro spécifié.
marque 0 sont critiquens pour la
sécurité.
Ne les remplacer que par une pièce
portant le numéro spécifié.
8-1-1. FRONT PANEL ASSEMBLY
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
9
3-059-349-11 LEG CUSHION
10
X-3952-245-1 PANEL ASSY, FRONT
11
1-757-693-11 CABLE, FLEXIBLE FLAT (FMO-001)
12
1-757-694-11 CABLE, FLEXIBLE FLAT (FMO-002)
13
1-757-697-11 CABLE, FLEXIBLE FLAT (FMM-035)
14
1-477-211-11 REMOTE COMMANDER (RMT-D145A)
15
3-071-119-11 CASE, BATTERY (for RMT-D145A)
1
X-3952-392-1 COVER ASSY, TRAY
2
3-066-225-11 SONY BADGE (5-A)
3
3-970-608-01 SUMITITE (B3), +BV
4
3-070-883-11 SCREW, TAPPING
5
3-073-832-31 CASE
6
3-970-608-51 SUMITITE (B3), +BV
7
1-786-131-11 SWITCH, TACTILE
8
3-073-491-01 KNOB, CURSOR
1
2
3
4
4
11
12
14
15
5
6
3
9
10
13
6
7
8
Mechanism deck
not supplied
Click on the first or last page to see other DVP-NS715P service manuals if exist.