Hitachi PDV-1021-S Service manual

8

PDV-1021S

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........................................21-36

SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT

Protable DVD player

Dec. 2005 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

257 x 32 x 169 mm

1.2kg

3

FUNCTIONAL OVERVIEW

Front of Player

CARD SLOT

Left of Player

Right of Player

USB MEMORY

4

1

COMPONENT VIDEO/ PROGRESSIVE SCAN OUT

2

5

3

6

1. POWER ON/CHG

Power and charging indicator.

2. CARD SLOT

Memory card slot.

3. REMOTE SENSOR

4. USB MEMORY

USB port

.

5. DC IN 9V

Power supply jack.

6. POWER ON / OFF

Turn the player on or off.

1378910 1211

7. VOLUME

Volume control.

8. PHONE 1 & 2

Earphone jacks.

9. AV OUT

10. COMPONENT VIDEO / PROGRESSIVE SCAN OUT

11. DC OUT 5V

12. COAXIAL

Digital audio output jack.

13. AV IN

4

Top of Player

1

2

34567

2

14

13

12 11 10

9 8

1. LCD SCREEN

2. SPEAKER

5. PLAY ( )

3. OPEN ( )

4. DISC DOOR

6. PAUSE ( )

7. STOP ( )

8. DIRECTION BUTTONS

9. ENTER

10. MONITOR

11. USB/CARD

12. MENU

13. PREV/NEXT ( / )

14. 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

COMPONENT VIDEO/ PROGRESSIVE SCAN OUT

To Video Input (Yellow)

TV

To Audio (R) Input (Red)

To Audio (L) Input (White)

To Audio (R) Input (Red)

To Audio (L) Input (White)

To Y

B/PB

To C

To CR/PR

To AV OUT (Black)

.

OR

.

To AV OUT (Black)

To COMPONENT VIDEO/ PROGRESSIVE SCAN OUT (Black)

NOTE:

For connection through AV OUT, Press button repeatedly to select AV out when you turn on the player. For connection through COMPONENT VIDEO / PROGRESSIVE SCAN OUT, Press button repeatedly

to select YC

BCR or YPBPR out when you turn on the player.

Connecting to a TV and an Amplifier

COMPONENT VIDEO/ PROGRESSIVE SCAN OUT

TV

To Video Input (Yellow)

Amplifier

To Audio (R) Input (Red)

To Audio (L) Input (White)

To AV OUT (Black)

NOTE:

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

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

COMPONENT VIDEO/ PROGRESSIVE SCAN OUT

To AV IN (Black)

TV Tuner

To DC IN 5V

To Video Input (Yellow)

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 DC OUT 5V

To AV IN (Black)

8

WIRING DIAGRAM

123

4

GND

ISEN

VSEN

123

4

LCD

HV PCB

123

TFT-GND

BRIGHT-CON

TFT ON/OFF

123

XS1

POWER

302928272625242322212019181716151413121110 9 8 7 6 5 4 3 2

4

VCOM

GND

A VDD 8.8V

V11T

V9T

V7T

V5T

V3T

V1T

R/L

BLU0

BLU1

BLU2

BLU3

BLU4

BLU5LDSTHR

LCD VDD

DCLK1

GND

302928272625242322212019181716151413121110 9 8 7 6 5 4 3 2

123

BATT+TSGND 123

XS003

XS2

4

GND 4

1 2 3 4 5 6 7 8 910111213141516171819

BATTERY

BLU0

BLU1

BLU2

BLU3

1 2 3 4 5 6 7 8 910111213141516171819

XS2

HV/9V 4

SWITCH

PCB

XS5

10 9 8 7 6 5 4 3 2 1

USBVDD

10

USBM

9

USBP

8

DC

7

XS3

DC

6

DCIN

5

GND

4

GND

3

GND

2

POWER SW

1

242322212019181716151413121110 9 8 7 6 5 4 3 2

INV

STHL

BLU4

GRN0

BLU5

GRN1

GRE0

GRE1

XS10

GRN2

GRN3

GRE2

GRN4

GRE3

GRE4

1

302928272625242322212019181716151413121110 9 8 7 6 5 4 3 2

GND

RED0

RED1

RED2

RED3

RED4

RED5

GND

V2T

V4T

V6T

V8T

V10T

A VDD 8.8V

GND

VCOM

U/D

V13T

+16V

V14T

-10V

V12T

XS4

SPKL+

SPKR-

XS6

8 7 6 5 4 3 2 1

SPKR+

GND

LCD VDD

GND

GRN5

GND 1

302928272625242322212019181716151413121110 9 8 7 6 5 4 3 2

XS3

XS5

1 2 3 4 5 6 7 8 910111213141516171819

20

GRE5

RED0

RED1

RED2

RED3

RED4

RED5

GND

OE

CPV

POLLD-14.5V

STV

+16.5V

GND

5.5V

SPKL-

KEYIN3 KEYIN2 KEYIN1 KEYIN0 KEYOUT0 KEYOUT1 KEYOUT2 KEYOUT3

1

1 2 3 4 5 6 7 8 910111213141516171819

20

MAIN PCB

XS008

1 2 3 4 5

6

XS1

8 7 6 5 4 3 2 1

GND

IF PCB

TFT ON/OFF

BRIGHT-CON

STV1\DIO1

1

CPVOESTV2\DIO2

POL 1

20

TFT-HV9V

TFT-HV9V 20

NC

LD/VCC

V20

GNDFE

CD/DVD SWRFCDBAVRCD

242322212019181716151413121110 9 8 7 6 5 4 3 2

VRDVDMDLD/CD

GND

LD/DVDNCVCC

FCS-

TRK+

9

TRK-

FCS+ 1

LIMIT

GND

SL-

SL+

1 2 3 4 5

SP+

SP-

6

MECHANISM

FUNCTION

BUTTON

PCB

PCB WIRING DIAGRAMS

FUNCTION BUTTON PCB

POWER SWITCH PCB

HV PCB

IF PCB

10

MAIN PCB (TOP)

11

MAIN PCB (BOTTOM)

12