Daewoo DPC-7409 Service Manual

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N

SM

NO : DPC7409001

SERVICE MANUAL

Portable DVD Playe

DPC-7409

Product

Code:

SPECIFICATIONS
Power source : 9V/2A
Power consumption : 10W
Dimension : 210(W) x 162(H) x 38(D)mm

et Weight : Approx. 0.9kg.

Specifications subject to change without notice

REFERENCE

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Appr

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return 1

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for

our

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irmation

o.:

Revision:

Date:

0.1

Service Manual fo

Portable DVD

Name of Company

oved

DAEW

DPC-7409 Series

ELECTRONI

CORP.

SIGNATURE

ease

your signature and comments.

cop

DATE APPROVED BY DATE

REVIEWED BY

PREPARED BY

con

with

Revision

Record

Date Rev No. Section Description

05/Aug/2007 0.1 New edition

※ Design and specifications are subject to change without notice.

※ All trademarks used in the specifications are the property of their respective

1. General Descriptions 1

1.1 Model Features 1

1.2 Information 2

2. Electrical Characteristics 3

2.1 Optical Characteristics

2.2 Electrical Characteristics

3

3

2.3 System Block Diagram 4

2.4 Schematic Circuit Diagram 5

3. Power

3.1 Power Supply

3.2 Rechargeable Battery

10

10

10

4. Dimension & Physical Characteristics 12

4.1 Outline Dimension 12

4.2 Physical Characteristics 12

4.3 Exploded View 13

5. Regulatory Standards 14

5.1 Safety

14

5.2 EMI 14

5.3 Ergonomics

14

6. Service Tools and Equipment 15

6.1 Service Tools and Equipment

6.2 Storing and Handling Test Discs

6.3 Notes

16

15

15

7. Spare Parts 17

7.1

Mechanical parts list

7.2

Electrical parts list

17

17

8. Trouble shooting 18

8.1 Error Code Table 18

8.2 Debug & Trouble Shooting

19

1 General Descriptions

1.1

Model Features

● Video: DVD Playback, MPEG4(option) ,DivX(DivX Model),Kodak Picture CD

compatible

● Audio: CD, CD-R, CD-RW, MP3, WMA Playback

● Firmware Upgradable

● Dolby Digital Output

● 7" active-matrix TFT screen, 16:9 wide aspect ratio

● Composite Video Output

● USB/CARD function supported

● Ultra dimension & light weight: 210mm(W) x 162mm(H) x 38mm(D) / 900g (around)

● Slim size wireless remote control

● Rechargeable battery pack

● 12-volt car cigarette lighter cable

● Universal AC/DC power adapter

● Audio/video cable for TV connection

● Built-in stereo speakers

● Stereo headphone jack

● Parental Lock

●

Anti Shock Protection

& JPEG readable

- 1 -

1.2

Information

Disk Format

Video System

Video Decompression MPEG-4

Video Output

Audio Characteristic 2-Channel Analog

Analog Output

Frequency Response

S/N Ratio

Dynamic Range

Audio-Output

Noise & Distortion

Headphone Jack

LCD Display

Audio/Video Section Audio/Video Output x1

Headphone Jack

Line Voltage

Power Consumption

Remote Control

Dimensions

Weight

DVD,VCE,CD,MP3,CD-R,CD-RW,MPEG4,JPEG,WMA

Kodak Picture CD, DivX (DivX Model)
NTSC/PAL/Auto

800~1200mVpp/75ohm

1.0~2.0Vrms/10K ohm
DVD:48kHz Sampling:20Hz-20kHz
CD:20Hz-20kHz
>=90dB
>=80dB

<=-65dB

Headphone Jack x 1
7”active-matrix TFT type

16ohm(30mW)
AC 100~240 VAC+/-10%(50/60Hz),(Adapter)

About

DC 3V Infra-red

10W

210mm(L) x 162mm(W) x 38mm(H)
900g(around)

Accessories

Slim Size Remote Controller with 3V Battery
12-volt Car Cigarette Lighter Cable Universal
AC/DC Power Adapter Audio/Video Cable
Li-Rechargeable Battery Pack

- 2 -

2 Electrical Characteristics

2.1 Optical Characteristics
Parameter Specifications Unit

Screen Size

Display Format

Active Area

Dot Pitch
Pixel Configuration
Outline Dimension
Surface Treatment

Weight

164.9 (W) 100.0 (H) 5.7 (D)(typ).

7.0 (16:9 diagonal)
480x3(RGB) 234

154.08 (W) 86.58 (H)

0.107 (W) 0.370 (H)
Stripe

Anti-Glare

164

inch

dot
mm
mm

mm

g

2.2 Electrical Characteristics

● DVD/ SVCD/ VCD/ CD system decoding, packeted element streams and audio, video

element streams.

● Fully digital servo processing (focusing, tracking, sledge and spindle servo control)

● Fully digital calibration (focusing/ tracking offset and balance)

● Digital phase lock loop with phase equalizer

● Support Audio/ Video/ Photograph decoding and programming

●

1.8V and 3.3V dual power supply,

256

pin PQFP

- 3 -

A

der

2.3 System Block Diagram

2.3.1. The System Block Diagram & the Block's Function Description

LED BACK-LIGHT

DRIVER

DC To DC

MP1411

DISPL

7” TFT LED

AT070TN07-R(A)

Servo +MPEG

MT1389P

Loa

HK-8707

Y

- 4 -

2.4

Schematic Circuit Diagram

(1)POWER_MPS

- 5 -

(2) SERVO&MPEG

- 6 -