DOWNLOAD Sony DVP-NC85H / HT-7000DH Service Manual ↓ Size: 5.82 MB | Pages: 88 in PDF or view online for FREE

Model
DVP-NC85H HT-7000DH
Pages
88
Size
5.82 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
dvp-nc85h-ht-7000dh.pdf
Date
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7-2
DVP-NC85H
1.0 ± 0.08 Vp-p 
A
1.0 ± 0.08 Vp-p 
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 ± 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.
7-3
DVP-NC85H
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.
7-3E
8-1
DVP-NC85H
SECTION 8
REPAIR PARTS LIST
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 delay 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
CND : Canadian Model
 
The components identified by
mark 
  or dotted line with mark
  are critical for safety.
Replace only with part number
specified.
8-1-1. MAIN SECTION
ns : not supplied
a
b
c
b
a
c
2
qa
9
d
g
g
e
f
d
e
f
qf
qg
4
7
8
q;
qh
9
9
9
5
7
6
8
qk
8
qj
qg
qd
1
wh
9
o
ns
ns
ns
ns
ns
Front Panel Section
Loading Section
8-2
DVP-NC85H
Ref. No.
Part No.
Description
Remark
1
A-1172-413-A
SERVICE ASSY, MV
2
1-468-974-11
POWER SUPPLY BLOCK
 
 
4
3-091-487-31
TRAY
5
A-1172-412-A
SERVICE ASSY, CASE UPPER
SILVER
 
5
A-1172-425-A
SERVICE ASSY, CASE UPPER
BLACK
 
6
1-828-451-21
POWER-SUPPLY CORD
7
3-070-883-31
SCREW, TAPPING
BLACK
7
3-070-883-41
SCREW, TAPPING
SILVER
8
3-077-331-11
+BV3 (3-CR)
9
3-077-331-21
+BV3 (3-CR)
10 1-479-179-4
1 REMOTE COMMANDER (RMT-D176A)
11
3-957-819-01
FOOT
 
13
1-830-273-11
FLEXIBLE FLAT CABLE (FIM-008)
14
1-832-153-11
FLEXIBLE FLAT CABLE (FIM-017)
15
1-831-574-11
CABLE, FLEXIBLE FLAT (FMO-011)
16
3-071-119-91
COVER, BATTERY
* 17
3-632-494-01
RE-USE CLAMP
18
3-088-023-01
+B3 (3-CR)
Note :
The components identified by
mark   or dotted line with mark
 are critical for safety.
Replace only with part number
specified.
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