DVP-NS765P - Sony DVD Service Manual (repair manual)

dvp-ns765p service manual
Model
DVP-NS765P
Pages
92
Size
10.18 MB
Type
PDF
Document
Service Manual
Brand
Device
DVD
File
dvp-ns765p.pdf
Date

Read Sony DVP-NS765P Service Manual online

SERVICE MANUAL
CD/DVD PLAYER
System
Laser:
 Semiconductor laser
Signal format system: PAL(NTSC)
Audio characteristics
Frequency response:
 DVD VIDEO
(PCM 96 kHz): 2 Hz to 44 kHz
(±1.0 dB)/DVD VIDEO
(PCM 48 kHz): 2 Hz to 22 kHz
(±0.5 dB)/CD: 2 Hz to 20 kHz
(±0.5 dB)
Signal-to-noise ratio (S/N ratio): 115 dB
(LINE OUT L/R (AUDIO) jacks only)
Harmonic distortion: 0.003%
Dynamic range: DVD VIDEO:
103 dB/CD: 99 dB
Wow and flutter: Less than detected value
(±0.001% W PEAK)
Outputs
(Jack name: 
Jack type/Output level/
Load impedance)
LINE OUT (AUDIO): Phono jack/
2 Vrms/ 10 kilohms
DIGITAL OUT (OPTICAL):
Optical output jack/–18 dBm (wave
length 660 nm)
DIGITAL OUT (COAXIAL): Phono jack/
0.5 Vp-p/75 ohms
LINE OUT (VIDEO): Phono jack/
1.0 Vp-p 75 ohms
S VIDEO OUT: 4-pin mini DIN/Y:
1.0 Vp-p, C: 0.3 Vp-p (PAL),
0.286 Vp-p (NTSC)/75 ohms
COMPONENT VIDEO OUT
(Y, P
B
/C
B
, P
R
/C
R
): Phono jack/
Y: 1.0 Vp-p, P
B
/C
B
,
P
R
/C
R
: 0.7 Vp-p/75 ohms
SPECIFICATIONS
General
Power requirements:
220 – 240 V AC, 50/60 Hz
Power consumption: 13 W
Dimensions (approx.):
430 
× 55.5 × 239 mm
(width/height/depth) incl. projecting
parts
Mass (approx.): 2.1 kg
Operating temperature: 5°C to 35°C
Operating humidity: 25% to 80%
Supplied accessories
See page 16
Specifications and design are subject to
change without notice.
AEP Model
DVP-NS765P
RMT-D167P
Photo : DVP-NS765P
RMT-D167P
– 2 –
DVP-NS765P
SAFETY CHECK-OUT
1. Check the area of your repair for unsoldered or poorly-soldered
connections. Check the entire board surface for solder splashes
and bridges.
2. Check the interboard wiring to ensure that no wires are “pinched”
or contact high-wattage resistors.
3. Look for unauthorized replacement parts, particularly transis-
tors, that were installed during a previous repair.  Point them out
to the customer and recommend their replacement.
4. Look for parts which, though functioning, show obvious signs
of deterioration. Point them out to the customer and recommend
their replacement.
5. Check the line cord for cracks and abrasion.
Recommend the replacement of any such line cord to the cus-
tomer.
6. Check the B+ voltage to see it is at the values specified.
7. Check the antenna terminals, metal trim, “metallized” knobs,
screws, and all other exposed metal parts for AC leakage. Check
leakage as described below.
WARNING!!
WHEN SERVICING, DO NOT APPROACH THE LASER EXIT
WITH THE EYE TOO CLOSELY. IN CASE IT IS NECESSARY TO
CONFIRM LASER BEAM EMISSION, BE SURE TO OBSERVE
FROM A DISTANCE OF MORE THAN 25 cm FROM THE SURFACE
OF THE OBJECTIVE LENS ON THE OPTICAL PICK-UP BLOCK.
CAUTION:
The use of optical instrument with this product will increase eye
hazard.
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous radiation
exposure.
SAFETY-RELATED  COMPONENT  WARNING!!
COMPONENTS  IDENTIFIED  BY  MARK 
 OR  DOTTED  LINE
WITH  MARK 
 ON  THE  SCHEMATIC  DIAGRAMS  AND  IN
THE  PARTS  LIST  ARE  CRITICAL  TO  SAFE  OPERATION.
REPLACE  THESE  COMPONENTS  WITH  SONY  PARTS
WHOSE  PART  NUMBERS  APPEAR  AS  SHOWN  IN  THIS
MANUAL  OR  IN  SUPPLEMENTS  PUBLISHED  BY  SONY.
After correcting the original service problem, perform the following
safety checks before releasing the set to the customer:
LEAKAGE TEST
The AC leakage from any exposed metal part to earth ground and
from all exposed metal parts to any exposed metal part having a
return to chassis, must not exceed 0.5mA (500 microampers).
Leakage current can be measured by any one of three methods.
1. A commercial leakage tester, such as the Simpson 229 or RCA
WT-540A. Follow the manufacturers’ instructions to use these
instruments.
2. A battery-operated AC milliammeter. The Data Precision 245
digital multimeter is suitable for this job.
3. Measuring the voltage drop across a resistor by means of a
VOM or battery-operated AC volmeter. The “limit” indication
is 0.75V, so analog meters must have an accurate low voltage
scale. The Simpson 250 and Sanwa SH-63Trd are examples of
a passive VOM that is suitable. Nearly all battery operated
digital multimeters that have a  2V AC range are suitable. (See
Fig. A)
Unleaded solder
Boards requiring use of unleaded solder are printed with the lead-
free mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come printed with
the lead free mark due to their particular size.)
 : LEAD FREE MARK
Unleaded solder has the following characteristics.
• Unleaded solder melts at a temperature about 40°C highter than
ordinary solder.
Ordinary soldering irons can be used but the iron tip has to be
applied to the solder joint for a slightly longer time.
Soldering irons using a temperature regulator should be set to
about 350°C
Caution: The printed pattern (copper foil) may peel away if the
heated tip is applied for too long, so be careful!
• Strong viscosity
Unleaded solder is more viscous (sticky, less prone to flow) than
ordinary solder so use caution not to let solder bridges occur such
as on IC pins, etc.
• Usable with ordinary solder
It is best to use only unleaded solder but unleaded solder may also
be added to ordinary solder.
ATTENTION AU COMPOSANT AYANT RAPPORT
À LA SÉCURITÉ!
LES COMPOSANTS IDENTIFÉS PAR UNE MARQUE 
 SUR
LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES
SONT CRITIQUES POUR LA SÉCURITÉ DE
FONCTIONNEMENT. NE REMPLACER CES COMPOSANTS
QUE PAR DES PIÈSES SONY DONT LES NUMÉROS SONT
DONNÉS DANS CE MANUEL OU DANS LES SUPPÉMENTS
PUBLIÉS PAR SONY.
To Exposed Metal
Parts on Set
0.15    F 
1.5k 
AC 
Voltmeter
(0.75 V)
Earth Ground
Fig.A. Using an Acvoltmeter to check AC leakage.
– 3 –
DVP-NS765P
TABLE  OF  CONTENTS
SERVICE NOTE
1.
Disc Removal Procedure (at POWER OFF) .............. 5
1.
GENERAL
Precautions .................................................................... 1-1
About this Manual .......................................................... 1-1
This Player Can Play the Following Discs ................... 1-1
Notes about the Discs .................................................. 1-1
Index to Parts and Controls ......................................... 1-2
Guide to the Control Menu Display (Magic Pad) ........ 1-3
Hookups ................................................................................ 1-3
Hooking Up the Player .................................................. 1-3
Step 1: Unpacking ......................................................... 1-3
Step 2: Inserting Batteries into the Remote ................. 1-3
Step 3: Connecting the Video Cords ............................ 1-4
Step 4: Connecting the Audio Cords ............................ 1-5
Step 5: Connecting the Mains Lead ............................. 1-6
Step 6: Quick Setup ...................................................... 1-6
Playing Discs ......................................................................... 1-7
Playing Discs ................................................................. 1-7
Resuming Playback from the Point Where You
Stopped the Disc (Multi-disc Resume) .................. 1-7
Using the DVD's Menu .................................................. 1-7
Selecting “ORIGINAL” or “PLAY LIST” on a
DVD-RW ................................................................... 1-7
Playing VIDEO CDs With PBC Functions
(PBC Playback) ........................................................ 1-8
Various Play Mode Functions (Program Play,
Shuffle Play, Repeat Play, A-B Repeat Play ........... 1-8
Searching for a Scene .......................................................... 1-9
Searching for a Particular Point on a Disc (Search,
Scan, Slow-motion Play, Freeze Frame) ............... 1-9
Searching for a Title/Chapter/Track/Scene, etc. ......... 1-9
Searching by Scene (PICTURE NAVIGATION) ......... 1-10
Viewing Information About the Disc ..................................... 1-10
Checking the Playing Time and Remaining Time ........ 1-10
Sound Adjustments ............................................................... 1-11
Changing the Sound ...................................................... 1-11
TV Virtual Surround Settings (TVS) ............................. 1-11
Enjoying Movies .................................................................... 1-12
Changing the Angles ..................................................... 1-12
Displaying the Subtitles ................................................. 1-12
Adjusting the Playback Picture
(CUSTOM PICTURE MODE) ................................. 1-12
Sharpening the Pictures (SHARPNESS) ..................... 1-13
Enjoying MP3 Audio and JPEG Images .............................. 1-13
About MP3 Audio Tracks and JPEG Image Files ....... 1-13
Playing MP3 Audio Tracks or JPEG Image Files ........ 1-13
Enjoying JPEG Images as a Slide Show ..................... 1-14
Enjoying DivX Videos ............................................................ 1-15
About DivX Video Files .................................................. 1-15
Playing DivX Video Files ............................................... 1-15
Using Various Additional Functions ...................................... 1-16
Locking Discs (CUSTOM PARENTAL CONTROL,
PARENTAL CONTROL) .......................................... 1-16
Controlling Your TV With the Supplied Remote ............ 1-17
Settings and Adjustments ..................................................... 1-17
Using the Setup Display ............................................... 1-17
Setting the Display or Sound Track Language
(LANGUAGE SETUP) ............................................. 1-17
Settings for the Display (SCREEN SETUP) ................ 1-18
Custom Settings (CUSTOM SETUP) .......................... 1-18
Settings for the Sound (AUDIO SETUP) ..................... 1-18
Additional Information ............................................................ 1-19
Troubleshooting ............................................................. 1-19
Self-diagnosis Function (When letters/
numbers appear in the display ................................ 1-20
Glossary ........................................................................ 1-20
Specifications ................................................................. 1-20
2.
DISASSEMBLY
2-1.
Upper Case ................................................................... 2-1
2-2.
Front Panel Assembly ................................................... 2-1
2-3.
Loading Assembly ......................................................... 2-2
2-4.
Optical  Device (KHM-310BAA) .................................... 2-3
2-5.
DC Motor and MS-203 Board ....................................... 2-4
2-6.
AV-086, IF-115 and PL-035 Boards ............................. 2-4
2-7.
ER-032 Board ................................................................ 2-5
2-8.
MB-117 Board ................................................................ 2-5
2-9.
Switching Regulator ...................................................... 2-6
2-10. Interval Views ................................................................. 2-7
2-11. Circuit Boards Location ................................................. 2-8
3.
BLOCK  DIAGRAMS
3-1.
Overall Block Diagram .................................................. 3-1
3-2.
Power (1) Block Diagram .............................................. 3-3
3-3.
Power (2) Block Diagram .............................................. 3-5
3-4.
Power (3) Block Diagram .............................................. 3-7
3-5.
System Control/Signal Processor Block Diagram ...... 3-9
3-6.
RF/Servo Block Diagram .............................................. 3-11
3-7.
Audio (1) Block Diagram ............................................... 3-13
3-8.
Audio (2) Block Diagram ............................................... 3-15
3-9.
Video Block Diagram ..................................................... 3-17
3-10. Interface Control Block Diagram .................................. 3-19
3-11. Power Block Diagram .................................................... 3-21
4.
PRINTED  WIRING  BOARDS  AND
SCHEMATIC  DIAGRAMS
4-1.
Frame Schematic Diagram ........................................... 4-1
4-2.
Printed Wiring Boards and Schematic Diagrams ........ 4-3
Waveform ...................................................................... 4-4
MB-117 Printed Wiring Board .................................. 4-5
MB-117 (System) Schematic Diagram .................. 4-7
MB-117 (RF-Servo) Schematic Diagram ............... 4-9
MB-117 (8ch DAC) Schematic Diagram ................ 4-11
MB-117 (PS-Trough) Schematic Diagram ............. 4-13
IF-115 Printed Wiring Board .................................... 4-15
IF-115 (Interface) Schematic Diagram .................. 4-17
PL-035 Printed Wiring Board ................................... 4-19
PL-035 (Power Switch) Schematic Diagram .......... 4-21
AV-086 Printed Wiring Board ................................... 4-23
AV-086 (Video) Schematic Diagram ........................ 4-25
AV-086 (Audio 1/2) Schematic Diagram ................. 4-27
AV-086 (Audio 2/2) Schematic Diagram ................. 4-29
ER-032 Printed Wiring Board .................................. 4-31
ER-032 (ER) Schematic Diagram ........................... 4-33
Power Block (SRV1578WW)
Printed Wiring Board ........................................... 4-35
Power Block (SRV1578WW)
Schematic Diagram ............................................ 4-37
5.
IC  PIN  FUNCTION  DESCRIPTION
5-1.
System Control-Video Pin Function
(MB-117 BOARD IC102) .............................................. 5-1
– 4 –
DVP-NS765P
6.
TEST MODE
6-1.
General Description ...................................................... 6-1
6-2.
Starting Test Mode ........................................................ 6-1
6-3.
Drive Manual Operation ................................................ 6-1
6-4.
Mirror Time Adjustment ................................................. 6-1
6-5.
Executing  IOP Measurement ....................................... 6-3
6-6.
Emergency History Check ........................................... 6-3
6-7.
Initializing Setup Data .................................................... 6-4
6-8.
Version Information ....................................................... 6-5
6-9.
If Con Self Diagnostic Function .................................... 6-5
7.
ELECTRICAL ADJUSTMENT
7-1.
Power Supply Adjustment ............................................. 7-1
7-2.
Adjustment of Video System ......................................... 7-2
8.
REPAIR  PARTS  LIST
8-1.
Exploded Views ............................................................. 8-1
8-1-1. Main Section ............................................................. 8-1
8-1-2. Mechanism Deck Assembly .................................... 8-3
8-2.
Electrical Parts List ....................................................... 8-4
Page of 92

Download Sony DVP-NS765P Service Manual (Repair Manual)

Here you can read online and download Sony DVP-NS765P Service Manual in PDF. DVP-NS765P service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sony DVP-NS765P DVD. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.