DVP-F250 - Sony DVD Service Manual (repair manual). Page 3

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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 ····································· 1-4
Step 5: Attaching the Stand ··················································· 1-6
Step 6: Connecting the Mains Lead ······································· 1-6
Step 7: 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 ··· 1-8
Playing VIDEO CDs With PBC Functions (PBC Playback) ··· 1-8
Playing an MP3 Audio Track ················································· 1-8
Various Play Mode Functions (Programme Play, Shuffle Play,
Repeat Play, A-B Repeat Play) ·············································· 1-9

Searching for a Scene ······························································ 1-10

Searching for a Particular Point on a Disc (Scan, Slow-motion
Play, Search, Freeze Frame) ················································ 1-10
Searching for a Title/Chapter/Track/Scene, etc ··················· 1-11
Searching by Scene (PICTURE NAVIGATION) ················ 1-11

Viewing Information About the Disc ······································· 1-11

Checking the Playing Time and Remaining Time ··············· 1-11
Checking the Play Information ············································ 1-11

Sound Adjustments ·································································· 1-12

Changing the Sound ····························································· 1-12
TV Virtual Surround Settings (TVS) ··································· 1-12

Enjoying Movies ····································································· 1-13

Changing the Angles ···························································· 1-13
Displaying the Subtitles ······················································· 1-13
Adjusting the Picture Quality (BNR) ·································· 1-13
Adjusting the Playback Picture (CUSTOM PICTURE
MODE) ················································································ 1-13
Enhancing the Playback Picture (DIGITAL VIDEO
ENHANCER) ······································································ 1-14

Using Various Additional Functions ········································ 1-14

Locking Discs (CUSTOM PARENTAL CONTROL,
PARENTAL CONTROL) ···················································· 1-14
Controlling Your TV With the Supplied Remote ················· 1-15

Settings and Adjustments ························································ 1-15

Using the Setup Display ······················································ 1-15
Setting the Display or Sound Track Language (LANGUAGE
SETUP) ················································································ 1-15
Settings for the Display (SCREEN SETUP) ······················· 1-16
Custom Settings (CUSTOM SETUP) ································· 1-16
Settings for the Sound (AUDIO SETUP) ···························· 1-16

Additional Information ···························································· 1-17

Troubleshooting ··································································· 1-17
Self-diagnosis Function (When letters/numbers appear in the
display) ················································································ 1-17
Glossary ··············································································· 1-18

2-1.

UPPER CASE, LOWER CASE ASSEMBLY ················ 2-2

2-2.

COVER ············································································ 2-2

2-3.

SWITCHING REGULATOR ·········································· 2-3

2-4.

MB-108 BOARD ····························································· 2-3

2-5.

TRAY COVER ································································ 2-4

2-6.

MD SECTION ································································· 2-4

2-7.

OPTICAL DEVICE (KHM-290AAA) ··························· 2-5

2-8.

DC MOTOR ···································································· 2-5

2-9.

AV-079 BOARD ······························································ 2-6

2-10. INTERNAL VIEW ·························································· 2-7
2-11. CIRCUIT BOARDS LOCATION ··································· 2-8

3-1.

RF/SYSCON BLOCK DIAGRAM ································· 3-1

3-2.

VIDEO/AUDIO BLOCK DIAGRAM ···························· 3-3

4-1.

FRAME SCHEMATIC DIAGRAM ································ 4-1

4-2.

PRINTED WIRING BOARDS AND
SCHEMATIC DIAGRAM ·············································· 4-3
WAVEFORMS ································································ 4-4

• AV-079  (1/3) (VIDEO AMP)

SCHEMATIC DIAGRAM ······························ 4-5

• AV-079 (2/3) (AUDIO OUT)

SCHEMATIC DIAGRAM ······························ 4-7

• AV-079 (3/3) (I/F CONTROL)

SCHEMATIC DIAGRAM ······························ 4-9

• AV-079 (VIDEO AMP, AUDIO OUT, I/F CONTROL)

PRINTED WIRING BOARD ······················· 4-11

• FR-205 (LCD, BACK LIGHT)

SCHEMATIC DIAGRAM ···························· 4-13

• FR-205 (LCD, BACK LIGHT)

PRINTED WIRING BOARD ······················· 4-14

• IR-49 (FRONT KEY)

PRINTED WIRING BOARD ······················· 4-15

• IR-49 (FRONT KEY)

SCHEMATIC DIAGRAM ···························· 4-17

• MB-108 (1/6) (DVD/CD RF AMP)

SCHEMATIC DIAGRAM ···························· 4-19

• MB-108 (2/6) (F/T COIL DRIVE, SP/SL/LD MOTOR

DRIVE)

SCHEMATIC DIAGRAM ···························· 4-21

• MB-108 (3/6) (SYSTEM CONTROL)

SCHEMATIC DIAGRAM ···························· 4-23

• MB-108 (4/6) (ARP, SERVO DSP)

SCHEMATIC DIAGRAM ···························· 4-25

• MB-108 (5/6) (AV DECODER)

SCHEMATIC DIAGRAM ···························· 4-27

• MB-108 (6/6) (16M SDRAM, 2-CH DAC, PLL)

SCHEMATIC DIAGRAM ···························· 4-29

• POWER BLOCK (SWITCHING REGULATOR

(HS6S2F))

SCHEMATIC DIAGRAM ···························· 4-31

5-1.

I/F CONTROL IC (AV-079 BOARD
IC404:TMP86CK74AFG-4R86) ····································· 5-1

5-2.

SYSTEM CONTROL PIN FUNCTION (MB-108 BOARD
IC104: MB91307RPFV-G-BND-E1) ······························ 5-3

8-1.

EXPLODED VIEWS ······················································ 8-1

8-1-1. OVERALL SECTION ····················································· 8-1
8-1-2. MD SECTION ································································· 8-2
8-2.

ELECTRICAL PARTS LIST ·········································· 8-3
AV-079 ············································································· 8-3
FR-205 ············································································· 8-5
IR-049 ·············································································· 8-5
MB-108 ··········································································· 8-5
MS-128 ············································································ 8-9
POWER BLOCK (HS6S2F) ··········································· 8-9