DAEWOO ELECTRONICS DP-A43D1D-AN User manual

S/M No. : VD2113TET0

✔ Caution :

In this Manual, some parts can be changed for improving, their

performance without notice in the parts list. So, if you need the latest

parts information,please refer to PPL(Parts Price List) in Service

Information Center (http://svc.dwe.co.kr).

DAEWOO ELECTRONICS Corp.

Sep. 2003

http : //svc.dwe.co.kr

Service Manual

VE 2.0 DVD PLAYER

* Refer to the Model list of page 82.

MODEL : DP-A61D1D Series

DP-A61D1S Series

DP-A62D1D Series

DP-A62D1S Series

DP-A43D1D Series

DP-A64D2D Series

OPEN/CLOSE

PLAY PAUSE/ STEP STOP PREV NEXT

EXTERNAL VIEWS.......................................................................................................2

1. FRONT VIEWS ......................................................................................................................................... 2

2. REAR VIEWS ............................................................................................................................................2

SPECIFICATIONS.........................................................................................................3

CIRCUIT DIAGRAM..................................................................................................................4

CIRCUIT OPERATIONAL DESCRIPTION .............................................................................16

TROUBLE SHOOTING...........................................................................................................35

WAVEFORMS .........................................................................................................................49

COMPONENTS LOCATION GUIDE ON PCB BOTTOM VIEW .............................................56

DISASSEMBLY.......................................................................................................................60

ELECTRICAL PARTSLIST.....................................................................................................71

1

CONTENTS

1. FORNT VIEWS ( Refer to the Model list of page )

1)DQD-2113/DP-A61D1D Series(PANEL: 1, 2CH)

2)DQD-6113/DP-A61D1D Series(PANEL: 1, 5.1CH)

3)DVD-323/DVD-363/DP-A62D1D Series(PANEL:2, 2/5.1CH)

4)DVD-223/DVD-263/DP-A43D1D Series(PANEL:3, 2/5.1CH)

5)DVD-423/DVD-463/DP-A64D2D Series(PANEL:4, 2/5.1CH)

2. REAR VIEWS

1) PAL System Series

2) NTSC System Series

2

EXTERNAL VIEWS

EURO AV

DIGITAL AUDIO OUT

AUDIO OUT (5.1 CH)

AUDIO OUTVIDEO OUT

DIGITAL AUDIO OUT

AUDIO OUT (5.1 CH)

AUDIO OUT (2 CH)

VIDEO OUT

OPEN/CLOSE

PLAY PAUSE/ STEP STOP PREV NEXT

65MM Model

43MM Model

65MM Model

43MM Model

65MM Model

43MM Model

DIGITAL AUDIO OUT

AUDIO OUT (5.1 CH)

AUDIO OUT (2 CH)

VIDEO OUT

82

3

SPECIFICATIONS

1. Prodcut features

- Over 500 resolution of horizontal frequency

- Dolby Digital decoding

- 5.1ch Analog signal output

- DTS output

- Screen zoom function

- Special playback function(slow playback/fast playback)

- NTSC Type : Component output(Y, Pb, Pr)

- PAL Type : RGB output

- Progressive SCAN (NTSC Only)

2. Specifications

Audio Dolby Digital Analog 5.1ch output and digital output

DTS Digital output

Convenience Screen zoom function OK

Special playback function OK

MP3 playback function OK

Connecting terminal Video terminal Composite terminal : 1 unit

Component terminal : 1 unit(NTSC only)

S-Video terminal : 1 unit

Audio terminal 2ch terminal : 1 unit

5.1ch terminal : 1 unit

Optical terminal : 1 unit

Coaxial terminal : 1 unit

Size 420mm x65mm x250.3mm (65MM Model)

420mm x42.8mm x257.2mm (43MM Model)

3. Playable Disc

Disc type Playable Restriction

DVD Possible Region 2 or Region ALL

Video CD Possible Version 1.0/1.1/2.0, SVCD

CD Possible PCM or dts

CD-G Possible Audio with graphic

CD-ROM Possible MP3/JPEG File

CD-R Possible Video-CD/CD/MP3/JPEG

CD-RW Possible Video-CD/CD/MP3/JPEG

DVD-R Possible DVD Video

DVD-RW Possible DVD Video

DVD+RW Possible DVD Video

DVD-ROM Impossible

DVD-RAM Impossible

Photo CD Impossible

4

CIRCUIT DIAGRAM

POWER SUPPLY SCHEMATIC DIAGRAM(DP-A62D1D-AN)/(65MM Mode)

5

CIRCUIT DIAGRAM

AUDIO (65MM)

6

CIRCUIT DIAGRAM

FRONT (VFD)-65MM

7

CIRCUIT DIAGRAM

AUDIO(43MM)

8

CIRCUIT DIAGRAM

AV(43MM)

9

CIRCUIT DIAGRAM

FRONT(43MM)

10

CIRCUIT DIAGRAM

DQL-1000(ALIM3351 MPEG IC)

11

CIRCUIT DIAGRAM

DQL-1000(RF-MOTOR_DIRIVERS)

12

CIRCUIT DIAGRAM

DQL-1000(FLASH, SDRAM)

13

CIRCUIT DIAGRAM

DQL-1000(AUDIO_DAC, VIDEO_CHANNEL)

14

CIRCUIT DIAGRAM

DQL-1000(SYSTEM_POWER)

15

CIRCUIT DIAGRAM

VE2.0 DVD-Player Series Block Diagram

2) Primary rectification and smoothing circuit

AC voltage passed through AC lnlet is rectified to Brige Rectification Diode D801 and changes to DC voltage.

After that it smooths the Smoothing Condenser C806.

When C806 is charged at first, Resistor R802 intercepts voltage current and protects D801, F801.

Start Resistor R803, R804 supply Control IC VCC terminal with rectified DC voltage.

16

1. POWER SUPPLY OPERATION(220V)

1) AC input and EMI FILTER

AC inlet consists of fuse, Line Filter, X-Cap, Y-Cap, Varister. Line Filter(L801, L802), X-Cap(C803, C804), Y-

Cap(C801) belong to EMI Filter section. They decrease noise to get into and out of AC Line.

CIRCUIT OPERATIONAL DESCRIPTION

POWER SECTION

Picture 1. [AC Input section]

Picture 2 [Rectification, smoothing and starting circuit]

17

CIRCUIT OPERATIONAL DESCRIPTION

Picture

3 [

Snubber circuit

]

3) Snubber circuit

Snubber circuit protects speedy voltage rising between Collector and Emitter when Main Switching TR is turned off.

So Collector and Emitter voltage enter into safety operation and noise is decreased. When TR is turnd off, because

high reverse voltage is generated between Collector and Emitter, it is rectified to D802, smoothed to C807 and

consumed to R809. C808 is Speed-Up Capacitor.

4) Switching and Control Drive Circuit

When Base of TR is charged through starting part, TR is turned on. So voltage is added to primary winding of

transformer and genertaed at Base Drive. Because this voltage becomes to Positive Feedback voltage, TR is

turned on again and Primary Winding of Trans is charged with electricity .

Picture 4 [Drive Circuit]

18

CIRCUIT OPERATIONAL DESCRIPTION

5) Costant-voltage Circuit

This circuit maintains constant voltage. When voltage is lower or higher than reference voltage(2.5V) of IC802 pin1,

this circuit compensates for a loss. Base voltage of Switching TR is controlled and final voltage is regulated by

increasing or decreasing Internal Diode Current of IC801.

Picture

5 [

Costant-voltage Circuit

]

6) Secondary rectification circuit

This circuit generates DC voltage needed to each terminal. It is rectified half-wave by D821, passes through

Electrolytic Condenser C821 and generates the rectified DC voltage. DC voltage passes through L821, C829 of

LC filter and is removed of Ripple and Noise. The other terminal operation is same like this.

Picture

6 [

Secondary rectification circuit

]

19

CIRCUIT OPERATIONAL DESCRIPTION

7) Output terminal

When power is turned off at power applied status, High signal (+3.3V) is applied to Q804 Base terminal and GND

is applied to Q803 Base terminal therefore +5VD is not applied to Q803 emitter terminal and only MVCC(+5V) is

applied to Q803 collector terminal line.

When power is turned on, Low signal(0V) is applied to Q804 Base terminal and Q804 is shorted. At this time,

Q803 Base terminal becomes High status and Q803 is activated. Therefore Q803 outputs +5VD to Emitter

terminal.

2. POWER SUPPLY BLOCK DIAGRAM

Picture

7 [

Output terminal

]

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