DOWNLOAD Sony DAV-S400 / HCD-S400 Service Manual ↓ Size: 6.49 MB | Pages: 72 in PDF or view online for FREE

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6-1. Circuit Board Location ················································ 21
6-2. Block Diagrams

– RF/Servo, Video Section – ······································· 22
– CPU Section – ·························································· 23
– Power Section – ························································ 24

6-3. Printed Wiring Board  – RF-240 Section – ················· 25
6-4. Schematic Diagram  – RF-240 Section – ···················· 26
6-5. Printed Wiring Board  – DVD Section (1/2) – ············ 27

Printed Wiring Board  – DVD Section (2/2) – ············ 28

6-6. Schematic Diagram  – DVD (1/8) Section – ··············· 29
6-7. Schematic Diagram  – DVD (2/8) Section – ··············· 30
6-8. Schematic Diagram  – DVD (3/8) Section – ··············· 31

6-9. Schematic Diagram  – DVD (4/8) Section – ··············· 32
6-10. Schematic Diagram  – DVD (5/8) Section – ··············· 33
6-11. Schematic Diagram  – DVD (6/8) Section – ··············· 34
6-12. Schematic Diagram  – DVD (7/8) Section – ··············· 35
6-13. Schematic Diagram  – DVD (8/8) Section – ··············· 36
6-14. Printed Wiring Board  – AMP Section – ····················· 37
6-15. Schematic Diagram  – AMP Section (1/2) – ··············· 38
6-16. Schematic Diagram  – AMP Section (2/2) – ··············· 39
6-17. Printed Wiring Board  – I/O Section – ························ 40
6-18. Schematic Diagram  – I/O Section – ··························· 41
6-19. Printed Wiring Board  – Panel Section – ····················· 42
6-20. Schematic Diagram  – Panel Section – ······················· 43
6-21. Schematic Diagram  – Loading Section – ··················· 44
6-22. Printed Wiring Board  – Loading Section – ················ 44
6-23. IC Block Diagrams ······················································ 44
6-24. IC Pin Function Description ········································ 48

7-1. Main Section ······························································· 58
7-2. Front Panel Section ····················································· 59
7-3. Chassis Section ···························································· 60
7-4. Mechanism Deck Section (CDM55C-DVBU8) ············· 61

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CHANGE OF OPTICAL PICK-UP
Optical Pick-up has been replaced from KHM-240AAA (TYPE A) to KHM-270AAA (TYPE B) from the middle of production.
In parallel with that, certain parts of DVD board have been changed.

SILVER: KHM-240AAA (TYPE A)
BLACK: KHM-270AAA (TYPE B)

optical device

REF

TYPE A

TYPE  B

KHM-240AAA

KHM-270AAA

R076

1-216-837-11 METAL CHIP

22K

5%

1/10W

No Mount

R077

1-216-815-11 METAL CHIP

330

5%

1/10W

1-216-833-11 METAL CHIP

10K

5%

1/10W

R079

1-216-801-11 METAL CHIP

22

5%

1/10W

1-216-845-11 METAL CHIP

100K

5%

1/10W

4

When removing the disc tray, high torque is necessary to turn the
ejection cam on the bottom surface. Therefore, the screw thread is
easily damaged. To prevent this damage, turn it carefully.

1

 Turn the cam in the direction of the arrow.

2

 Pull-out the disc tray.

Cam

Hole of chassis

In cleaning the lens, do not apply an excessive force

   As the optical pick-up is vulnerable, application of
   excessive force could damage the lens holder.

In cleaning, do not use a cleaner other than exclusive

   cleaning liquid. (KK-91 or isopropyl alcohol)

Wipe the obujective lens spirally from center toward

    outside. (See Figure A)

(Figure A)

The disc tray lock function for the antitheft of an demonstration
disc in the store is equipped.

Setting Procedure :
1.

Press the  A  button or the  H button of the main unit or  1
button on the remote commander to turn the set on.

2.

Press two buttons of  DISPLAY  and  . PREV
simultaneously for two seconds.

3.

The message “LOCKED” is displayed and the tray is locked.

Releasing Procedure :
1.

Press two buttons of  DISPLAY  and  . PREV
 simultaneously for two seconds again.

2.

The message “UNLOCKED” is displayed and the tray is
unlocked.

Note : When “LOCKED” is displayed, the tray lock is not released

    by turning power on/off with the  POWER  button.

Signal code of the attached remote controller may vary in the
generation of CD/DVD player.
The signal code of FUNCTION, BAND, ST/MONO and
MEMORY is different with the remote controller for DAV-S400
and the remote controller for DAV-S550/S880/C770/C990.
Be careful when you confirm by the remote controller of the different
model.

If a DVD board is exchanged, “DRIVE AUTO ADJUSTMENT’’
may be unable to be performed. In this case, initialize a memory in
the following procedure.
1.

Starting Test Mode (See page 11).

2.

Press the 2  button of remote commander to set the Drive
Manual Operation (See page 16).

3.

Press the 6 button of remote commander to set the Memory
Check (See page 18).

4.

Press the  [CLEAR]  button of remote commander to initialize a
memory.

5

This section is extracted
from instruction manual.

For more information, refer to the pages indicated in parentheses.

POWER switch/indicator (30)

Disc tray (30)

 OPEN/CLOSE (30)

Front panel display (10)

./>, PREV/NEXT, PRESET +/–

(28, 31)

 H (play) (30)
 X (pause) (31)

PHONES jack (30)
VOLUME control (30)
SOUND FIELD +/– (46)
DISPLAY (46, 59)
BAND (28)
FUNCTION (58)

 (remote sensor) (16)

A

x (stop) (30)

AM antenna (19)
AUDIO 1 jacks (21)
AUDIO 2 jacks (21)
DIGITAL IN (OPTICAL) jack (22)

MONITOR OUT jack (21)
SPEAKER jacks (17)
FM 75  COAXIAL antenna jack (20)

FRONT R

REAR R

CENTER

WOOFER

FRONT L

REAR L

   IMPEDANCE USE           WOOFER: 3      EXCEPT  WOOFER: 6

Ω

6

This section is extracted
from instruction manual.

1

2

3

4

5

6

7

>10

10/0

8

9

TV 1/= (on/standby) (57)

NAME (60)
STEREO/MONO (59)

MEMORY (28)
CLEAR (35)

PLAY MODE (34)
AUDIO (44)
ANGLE (49)
SUBTITLE (50)
VOL +/– (58)

./>, PREV/NEXT, TV CH +/–,

PRESET +/– (28, 31)

DVD TOP MENU (32)
DVD DISPLAY (37)

T/R/r/t/ENTER (24)

DVD SETUP (54)

1 (standby) (30)

DIMMER (27)
TV/VIDEO (57)
REPEAT (37)
MUTING (31)
TIME (41)
FUNCTION (58)

BAND (28)
Number buttons (32)
SOUND FIELD (46)
DISPLAY (46, 59)
ENTER (57)
COMMAND MODE DVD/TV switch
(57)

/

(28, 38)

 STOP (30)
 PAUSE (31)

DVD MENU (33)

 RETURN (34)

AMP MENU (24)

Z OPEN/CLOSE (30)

H PLAY/SELECT (30)

./>, 

 SLOW, TUNING +/–

O

x

X