DVP-NS425P - Sony DVD Service Manual (repair manual). Page 3

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1.

Disc Removal Procedure (at POWER OFF) .............. 5

2.

How to Service MB-113 Board ..................................... 5

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 On-Screen Displays (Control Bar) ............... 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 ............................ 1-3
Step 4: Connecting the Audio Cords ............................ 1-4
Step 5: Connecting the Power Cords ........................... 1-5
Step 6: Quick Setup ...................................................... 1-5

Playing Discs ......................................................................... 1-6

Playing Discs ................................................................. 1-6
Resuming Playback from the Point Where You Stopped
the Disc (Multi-disc Resume) ....................................... 1-6
Using the DVD's Menu .................................................. 1-6
Playing VIDEO CD's With PBC Functions
(PBC Playback) ............................................................. 1-6
Playing an MP3 Audio Track ......................................... 1-7
Various Play Mode Functions (Program Play,

Shuffle Play, Repeat Play, A-B Repeat Play ........... 1-7

Searching for a Scene .......................................................... 1-8

Searching for a Particular Point on a Disc (Scan,

Slow-motion Play, Search, Freeze Frame) ............ 1-8

Searching for a Title/Chapter/Track/Scene, etc.

(Search mode) ......................................................... 1-9

Viewing Information About the Disc ..................................... 1-9

Checking the Playing Time and Remaining Time ........ 1-9

Sound Adjustment ................................................................. 1-10

Changing the Sound ...................................................... 1-10
TV Virtual Surround Settings (TVS) ............................. 1-10

Enjoying Movies .................................................................... 1-10

Displaying the Subtitles ................................................. 1-10
Adjusting the Picture Quality (BNR) ............................ 1-10
Adjusting the Playback Picture

(CUSTOM PICTURE MODE) ................................. 1-11

Enhancing the Playback Picture

(DIGITAL VIDEO ENHANCER) .............................. 1-11

Changing the Angles ..................................................... 1-11

Using Various Additional Function ........................................ 1-11

Locking Discs (CUSTOME PARENTAL CONTROL,

PARENTAL CONTROL) .......................................... 1-11

Controlling Your TV with the Supplied Remote ............. 1-12

Setting and Adjustmants ....................................................... 1-13

Using the Setup Display ............................................... 1-13
Setting the Display or Sound Track Language

(LANGUAGE SETUP) ............................................. 1-13

Setting for the Display (SCREEN SETUP) .................. 1-13
Custom Setting (CUSTOM SETUP) ............................ 1-13
Setting for the Sound (AUDIO SETUP) ....................... 1-13

Additional Information ............................................................ 1-14

Troubleshooting ............................................................. 1-14
Self-diagnosis Function (When letters/numbers appear
in the display .................................................................. 1-14
Glossary ........................................................................ 1-15
Language Code List ...................................................... 1-15

2-1.

Upper Case ................................................................... 2-1

2-2.

Front Panel Assembly ................................................... 2-1

2-3.

Loading Assembly ......................................................... 2-2

2-4.

OPTICAL DEVICE (KHM-300AAA) ............................. 2-2

2-5.

DC  MOTOR and MS-161 BOARD .............................. 2-3

2-6.

SW-413 BOARD ............................................................ 2-3

2-7.

AF-099 Board ................................................................ 2-4

2-8.

MB-113 Board ................................................................ 2-5

2-9.

Switching Regulator ...................................................... 2-5

2-10. Interval Views ................................................................. 2-6
2-11. Circuit Boards Location ................................................. 2-7

3-1.

Overall Block Diagram .................................................. 3-1

3-2.

System Control/Signal Processor Block Diagram ...... 3-3

3-3.

RF/Servo Block Diagram .............................................. 3-5

3-4.

Audio Block Diagram ..................................................... 3-7

3-5.

Video Block Diagram ..................................................... 3-9

3-6.

Interface Control Block Diagram .................................. 3-11

3-7.

Power  Block Diagram (1/2) .......................................... 3-13

3-8.

Power  Block Diagram (2/2) .......................................... 3-15

4-1.

Frame Schematic Diagram ........................................... 4-1

4-2.

Printed Wiring Boards and Schematic Diagrams ........ 4-3
Waveforms .................................................................... 4-5
•

AF-099 Printed Wiring Board ................................... 4-7

•

AF-099 (Video Out) Schematic Diagram ............... 4-9

•

AF-099 (Audio Out) Schematic Diagram ............... 4-11

•

AF-099 (PS Trough) Schematic Diagram ............... 4-13

•

AF-099 (IF) Schematic Diagram ............................. 4-15

•

MB-113 Printed Wiring Board .................................. 4-17

•

MB-113 (Servo Drive) Schematic Diagram ........... 4-19

•

MB-113 (System Control) Schematic Diagram ...... 4-21

•

MS-161 Printed Wiring Board .................................. 4-23

•

MS-161 (Mecha Deck) Schematic Diagram .......... 4-23

•

SW-431 Printed Wiring Board ................................. 4-25

•

SW-431 (Switch) Schematic Diagram .................... 4-25

•

Power Block (HS12S2U) Printed Wiring Board ...... 4-27

•

Power Block (Switching Regulator)

Schematic Diagram ............................................ 4-29

5-1.

System Control-Video Pin Function
(MB-113 BOARD IC201) .............................................. 5-1

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

6-4-1.  Executing Mirror Time Adjustment ........................... 6-2

6-5.

Executing  IOP Measurement ....................................... 6-3

7-1.

Power Supply Check ..................................................... 7-1

7-2.

Adjustment Related Parts Arrangement ...................... 7-2

8-1.

Exploded Views ............................................................. 8-1

8-1-1. Main Section ............................................................. 8-1
8-1-2. Mechanism Deck Assembly .................................... 8-2

8-2.

Electrical Parts List ....................................................... 8-3