Sony DVP-NS648P Service Manual ▷ View online
7-2
DVP-NS648P
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/ 75 Ω termination
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 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/ 75 Ω termination
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. 7-2.
1.0 ± 0.08 Vp-p/
75 termination
1.0 ± 0.08 Vp-p/
75 termination
7-4
DVP-NS648P
7-3E
3.
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
B = 700 ± 70mVp-p/ 75 Ω termination
Checking method:
(1) In the Video Signal menu “1” Color Bar 100% play back.
(2) Confirm that the B-Y level is B.
Fig. 7-3.
4.
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/ 75 Ω termination
Checking method:
(1) In the Video Signal menu “1” Color Bar 100% play back.
(2) Confirm that the R-Y level is B.
Fig. 7-4.
B
B
8-1
DVP-NS648P
SECTION 8
REPAIR PARTS LIST
NOTE:
• -XX and -X mean standardized parts, so they
one.
• Items marked “*” are not stocked since they
are seldom required for routine
service. Some delay should be anticipated
when ordering these items.
• The mechanical parts with no reference num-
ber in the exploded views are not
supplied.
• Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
Parts Color
Cabinet's
Color
8-1. EXPLODED VIEWS
or dotted line with mark are critical
for safety.
Replace only with part number
• Abbreviation
KS : Saudi Arabia Model
SP : Singapore Model
8-1-1. MAIN SECTION
ns : not supplied
12
13
ns
2
5
4
8
ns
15
11
7
2 9
ns
2
f
g
a
n
m
m
h
e
a
I
b
c
b
j
ns
ns
ns
6
2
ns
EA : Middle East Model
14
2
g
o
o
e
h
f
j
3
1
ns
10
o
l
ns
n
8-2
DVP-NS648P
Ref. No.
Part No.
Description
Remark
1
3-077-331-11
+BV3 (3-CR)
2
3-077-331-21
+BV3 (3-CR)
3
1-836-244-11
FLEXIBLE FLAT CABLE (FMO-017)
4
1-836-235-11
FLEXIBLE FLAT CABLE (FIM-022)
5
1-836-238-11
FLEXIBLE FLAT CABLE (FMS-017)
6
A-1663-360-A FB-224(2396LA) COMPL
7
4-126-983-01
COVER, TRAY
9
1-474-143-11
SWITCHING REGULATOR
10
1-835-093-11
POWER-SUPPLY CORD
(DVP-NS648P:EXCEPT KS)
(DVP-NS648P:EXCEPT KS)
11
1-489-429-11
REMOTE COMMANDER (RMT-D197P)
Ref. No.
Part No.
Description
Remark
Note :
The components identified by mark
The components identified by mark
or
dotted line with mark
are critical for
safety.
Replace only with part number specified.
Note :
The components identified by mark
The components identified by mark
contain confidential information. Strictly
follow the instructions whenever the
components are repaired and/or
replaced.
12 3-710-901-62
SCREW, TAPPING
8
X-2580-855-1 PANEL ASSY, FRONT
(DVP-NS648P: SP, EA (BLACK), KS(BLACK))
8
X-2580-856-1 PANEL ASSY, FRONT
(DVP-NS648P: EA(SILVER), KS(SILVER))
10
1-835-688-21
POWER-SUPPLY CORD
(DVP-NS648P:KS ONLY)
(DVP-NS648P:KS ONLY)
(DVP-NS648P: EA(SILVER),KS (SILVER))
13 A-1633-816-A
SERVICE ASSY, CASE UPPER
(DVP-NS648P: SP,EA(BLACK), KS(BLACK))
13 A-1633- 8 67-A SERVICE ASSY, CASE UPPER
(DVP-NS648P: EA(SILVER),KS(SILVER))
14
SERVICE ASSY, MV (DVP-NS648P : SP ONLY)
A-1818-738-A
14
SERVICE ASSY, MV (DVP-NS648P : EXCEPT SP)
A-1819-610-A
15
SERVICE ASSY, IF (DVP-NS648P)
A-1701-662-A
12 3-710-901-71
SCREW, TAPPING
(DVP-NS648P: EA(BLACK), KS(BLACK),SP)
*
MANUAL INSTRUCTION (DVP-NS648P: SP, EA, KS)(ENGLISH)
4-277-895-11
*
MANUAL INSTRUCTION (DVP-NS648P: EA, KS)(ARABIC)
4-277-895-21
*
MANUAL INSTRUCTION (DVP-NS648P: EA, KS)(PERSIAN)
4-277-895-31
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