Hitachi PDV-701-S Service manual

9

PDV-701S

Caution

Be sure to read this manual before servicing. To assure safety from fire, electric shock, injury harmful radiation and materials, various measures are provided in this Hitachi protable DVD player. Be sure to read the cautionary items described in the manual to maintain safety before servicing.

Service warning

1. Do not attempt to modify this product in any way and never perform customized installations without manufacturer’s approval. Unauthorized modifications will not only void the warranty,but may lead to your being liable for any resulting property damage or user injury.

2.

Service workshould be performed only after you are thoroughly familiar with all of the following safety checks and servicing guidelines. To do otherwise,increase the risk of potential hazards and injury to the user.

3.

While servicing,use an isolation transformer for protection from A.C. line shock.

Contents

*

* SAFETY NOTICE....................................................2

* PRODUCT SPECIFICATIONS.................................3

* FUNCTIONAL OVERVIEW..................................4-6

* CONNECTIONS....................................................7-8

*

WIRING DIAGRAM .............................................9

PCB WIRING DIAGRAMS.........................................10-12

*

BLOCK DIAGRAM...............................................13

*

SCHEMATIC DIAGRAMS....................................14-17

TROUBLESHOOTING........................................18-20

*

* REPLACEMENT PART LIST........................................21-35

SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT

Protable DVD player

Jan. 2006 Digital Media Systems Group, Hitachi Asia Ltd.

SAFETY NOTICE

LASER BEAM CAUTION LABEL

When the power supply is being turned on, please don’t remove this laser cautions label. If it removes, radiation of laser may be received.

PREPARATION OF SERVICING

Pickup Head consists of a laser diode that is very susceptible to external static electrocity. When replacing, please use a conductive mat, soldering iron with ground to protect the laser from damaged by static electricity.

Please apply the same procedure when repair IC.

Ground conductive wrist strap for body.

Soldering iron with ground wire or ceramic type

1M

Conductive mat

The ground resistance between the ground line and the ground is less than 1M

2

PRODUCT SPECIFICATIONS

Laser Wavelength

Video System

Frequency Response

Signal/noise Ratio

Audio Distortion + Noise

Channel Separation

Dynamic Range

Output

Audio Output (Analogue Audio)

Digital Output (Digital Audio) Video Output

650nm

PAL/AUTO/NTSC

20Hz ~ 20kHz (+/-1.0dB)

>= 95 dB

<= -80 dB (1kHz)

>= 85 dB

>= 85dB

Output Level: 2V +/- 10% Load Impedance: 10 k ohm Output Level: 0.5Vp-p Output Level: 1Vp-p +/- 20% Load Impedance: 75 ohm

Operating Temperature Range

Power Supply

Power Consumption

Dimension (WxHxD)

Weight

o

5~35

C

DC 9V 2.2A

<= 20W

197 x 28.5 x 142 mm

825g

3

FUNCTIONAL OVERVIEW

Front of Player

12 3

Left of Player

4

Right of Player

1. POWER ON/CHG

Power and charging indicator.

2. REMOTE SENSOR

3. CARD SLOT

Memory card slot

4. POWER ON / OFF

Turn the player on or off.

5. VOLUME

Volume control.

567891011

6. PHONES

Earphone jack.

7. AV OUT

8. COAXIAL

.

Digital audio output jack.

9. DC OUT 5V

10. AV IN

11. DC IN 9V

Power supply jack.

4

Top of Player

1

2

16 15 14

13 12

11 10

34 567

1. LCD SCREEN

2. SPEAKER

3. OPEN ( )

4. DISC DOOR

5. PLAY ( )

6. PAUSE ( )

7. STOP ( )

8. DIRECTION BUTTONS

9

8

9. ENTER

10. PREV/NEXT ( / )

11. TOP MENU

12. OSD (ON-SCREEN DISPLAY)

13. MENU

14. CARD

15. MONITOR

16. SOURCE

5

Remote Control

1

2

3

4 5 6 7

8 9

10

11

OSD SUBTITLE

123

456

987

10/0 +10

SETUP

TOP

MENU

ZOOM MUTE

REPEAT A-B

AUDIO MODE DIGEST

HITACHI

PDV-RM701

PLAY MODE

RESUME

TIME SEARCH

CARD/USBRETURN

MENU

26

25 24 23

22 21

20 19

18 17

16 15

14 13

12

1. SUBTITLE

2. OSD (ON-SCREEN DISPLAY)

3. NUMBER BUTTONS

4. SETUP

5. PLAY ( )

6. TOP MENU

7. PAUSE ( )

8. STOP ( )

9. FAST BACKWARD/FAST FORWARD ( / )

10. PREV/NEXT ( / )

11. AUDIO MODE

12. REPEAT

13. DIGEST

14. REPEAT A-B

15. MUTE

16. ZOOM

17. MENU

18. DIRECTION BUTTONS

19. SLOW-MOTION PLAY ( )

20. RETURN (not applicable to this player)

21. CARD/USB

22. TIME SEARCH

23. RESUME

24. PLAY MODE

25. ANGLE ( )

26. AUDIO LANGUAGE ( )

6

CONNECTIONS

Before using the player, you may connect the player to a TV and/or an amplifier, a video game console or an optional TV tuner.

NOTE:

Turn off the power supply to the player and the equipments before making any connection.

Connecting to a TV

To Video Input (Yellow)

TV

NOTE:

When you turn on the player, press button repeatedly to select AV OUT.

To Audio (R) Input (Red)

To Audio (L) Input (White)

To AV OUT (Black)

Connecting to a TV and an Amplifier

TV

Amplifier

NOTE:

When you turn on the player, press button repeatedly to select AV OUT.

To Video Input (Yellow)

To Audio (R) Input (Red)

To Audio (L) Input (White)

To AV OUT (Black)

7

Connecting to a Video Game Console

Game Console

(Yellow)

(Red)

(White)

Female to Female RCA Adaptor (not supplied)AV cable (supplied with game console)

To AV Output

(Yellow)

(Red)

(White)

NOTE:

When you turn on the player, press button repeatedly to select AV IN.

Connecting to an Optional TV Tuner

TV Tuner

To DC Input

To Video Input (Yellow)

To AV IN (Black)

To DC OUT 5V

To Audio (R) Input (Red)

To Audio (L) Input (White)

NOTE:

When you turn on the player, press button repeatedly to select AV IN.

To AV IN (Black)

8

WIRING DIAGRAM

123

4

NCNCISEN

VSEN

123

4

LCD

HV PCB

123

GND 123

XS2

4

GNDTSBATT+

4

XS001

CN2

123

4

HV

TFT ON/OFF

123

XS4

1 2 3 4 5 6 7 8 91011121314151617181920212223242526272829

BRIGHT

GND

TFT3.3V

GND

U/D

STV

CLK

MODEL2

GND

COMS

TFT+16.5V

GND

TFT5V

LCDB

LCDG

LCDR

GNDNCGND

4

1 2 3 4 5 6 7 8 91011121314151617181920212223242526272829

XS1

L/R

GND

MOPDEL1

CLDNCNC

SPIO

30

-14.5V

VCOMS 30

IF PCB

XS3

1 2 3 4 5 6 7 8 910111213141516171819

20

XS6

20

BATTERY

NCNCGND

VCOMS

TFT5V

GND

-13V

GND

+15V

GND

TFT3.3V

GND

SPL+

SPL-

SPR-

SPR+

GND

TFT ON/OFF

BRIGHT

1 2 3 4 5 6 7 8 910111213141516171819

JS4

HV9V

1 2 3 4 5 6 7 8 910111213141516171819

20

GNDBGRGNDNCNC

MOD2

MOD1

JS1

OEV3

SPIO

SPS

CLD

STR

GND

CLS

20

XS2

1 2 3 4 5 6 7 8 91011121314151617181920212223

NC

LDVCC

V20

GNDFE

CD/DVD SW

RFCDBA

1 2 3 4 5 6 7 8 91011121314151617181920212223

VRCD

VRDVD

DVDMD

CDLD

GND

DVDLDNCAVCC

FCS-

TRK+

TRK-

24

FCS+ 24

XS008

1 2 3 4 5

SP-

1 2 3 4 5

SP+

SL-

9

SL+

GND

6

LIMIT

6

1 2 3

DCIN

POWER SW

1 2 3

MECHANISM

JS5

GND

MAIN PCB

XS1

8 7 6 5 4 3 2 1

POWER

SWITCH

PCB

KEYOUT3

8

KEYOUT2

7

KEYOUT1

6

KEYOUT0

5

KEYIN3

4

KEYIN2

3

KEYIN1

2

KEYIN0

1

FUNCTION BUTTON PCB

PCB WIRING DIAGRAMS

FUNCTION BUTTON PCB

POWER SWITCH PCB

HV PCB

IF PCB

10

MAIN PCB (TOP)

11