Samsung LDO19WS Manual de usuario

SERVICEManual

LCD Monitor Fashion Feature

LCD-Monitor

Chassis LDO19WS

LDO19CS

Model 940MW

940MG

- MFM Model

- VCT49xy

- W/W model

- High Contrast Ratio(700:1)

- High Luminance(300cd/m2)

This manual may not, in whole or in part, be copied,

photocopied, reproduced, translated, or converted to

any electronic or machine readable form without prior

written permission of Samsung Electronics Co., Ltd.

LDO19WS Service Manual

First edition September 2005.

Printed in Korea.

Trademarks

Samsung is the registered trademark of Samsung

Electronics Co., Ltd.

LDO19WS and MacMaster Cable Adapter are

trademarks of Samsung Electronics Co., Ltd.

Macintosh, Power Macintosh are trademarks of Apple

Computer, Inc.

All other trademarks are the property of their respective

owners.

11. Precautions………………………………………………………………………………………………………………………………………11-1

1-1. Safety Precautions ………………………………………………………………………………………………………………………1-1

1-2. Servicing Precautions ……………………………………………………………………………………………………………………1-2

1-3. Static Electricity Precautions ……………………………………………………………………………………………………………1-2

1-4. Install Precautions …………………………………………………………………………………………………………………………1-3

2. Product specifications …………………………………………………………………………………………………………………………22-1

2-1. Fashion Feature ………………………………………………………………………………………………………………………… 2-1

2-2. Specifications Comparison to the Old Model …………………………………………………………………………………………2-1

2-3. Specifications ………………………………………………………………………………………………………………………………2-2

2-4. Option Specification ………………………………………………………………………………………………………………………2-3

3. Alignments and Adjustments …………………………………………………………………………………………………………………33-1

3-1. Program Upgrade …………………………………………………………………………………………………………………………3-1

3-2. DDC JIG Installation ……………………………………………………………………………………………………………………3-2

3-3. EDID Installation with Windows Program ………………………………………………………………………………………………3-3

3-4. Factory Mode Adjustments ………………………………………………………………………………………………………………3-4

4. Troubleshooting ………………………………………………………………………………………………………………………………44-1

4-1. No Power ………………………………………………………………………………………………………………………………… 4-1

4-2. No Picture (PC Signal) ………………………………………………………………………………………………………………… 4-2

4-3. No Picture (TV) …………………………………………………………………………………………………………………………… 4-4

4-4. No Picture (Video/S-Video/Scart) ……………………………………………………………………………………………………… 4-6

4-5. No Picture (Component) ………………………………………………………………………………………………………………… 4-8

4-6. No Sound (TV) ………………………………………………………………………………………………………………………… 4-10

4-7. No Sound (Component) ……………………………………………………………………………………………………………… 4-12

5. Exploded View and Parts List …………………………………………………………………………………………………………………55-1

6. EElectrical Parts List ……………………………………………………………………………………………………………………………66-1

7. BBlock Diagram …………………………………………………………………………………………………………………………………77-1

8. WWiring Diagram …………………………………………………………………………………………………………………………………88-1

9. SSchematic Diagrams ……………………………………………………………………………………………………………………………99-1

Contents

110. Operating Instructions and Installation ……………………………………………………………………………………………………110-1

10-1. Front …………………………………………………………………………………………………………………………………… 10-1

10-2. Rear …………………………………………………………………………………………………………………………………… 10-2

10-3. Remote Control ……………………………………………………………………………………………………………………… 10-5

11. Disassembly and Reassembly ………………………………………………………………………………………………………………111-1

11-1. Disassembly …………………………………………………………………………………………………………………………… 11-1

11-3. Reassembly …………………………………………………………………………………………………………………………… 11-3

12. PCB Diagram …………………………………………………………………………………………………………………………………112-1

13. CCircuit Descriptions ……………………………………………………………………………………………………………………………113-1

13-1. Block description ……………………………………………………………………………………………………………………… 13-1

14. Reference Infomation …………………………………………………………………………………………………………………………114-1

14-1. Technical Terms ……………………………………………………………………………………………………………………… 14-1

14-2. Connecting Your Monitor …………………………………………………………………………………………………………… 14-4

14-3. Connecting to Others devices ……………………………………………………………………………………………………… 14-5

14-4. Pin Assignment ……………………………………………………………………………………………………………………… 14-8

14-5. Timing Chart …………………………………………………………………………………………………………………………… 14-9

14-6. Preset Timing Modes ……………………………………………………………………………………………………………… 14-10

14-7. Panel Description …………………………………………………………………………………………………………………… 14-11

Contents

Samsung Electronics Co.,Ltd.

416, Maetan-3Dong, Yeongtong-Gu, Suwon City,

Gyeonggi-Do, Korea, 443-742

Printed in Korea

P/N : BN82-00125C-01

URL : http://itself.sec.samsung.co.kr/

-This Service Manual is a property of Samsung

Electronics Co., Ltd.

Any unauthorized use of Manual can be punished

under applicable International and/or domestic

law.

10 Operating Instructions and Installation

10-1

10 Operating Instructions and Installation

10-1 Front

1. SOURCE

Switches from PC Mode to Video mode.

Changing the source is allowed only in external

devices that are connected to the monitor at the

time.

To switch Screen modes:

[PC] - [DVI] - [TV] - [Ext.] - [AV] - [S-Video] -

[Component]

2. PIP ( Available in PC/DVI/Component Mode )

In PC Mode, turns on Video or TV screens in PIP

mode.

3. MENU

Use this button for open the on-screen menu and

exits from the menu screen or closes screen

adjustment menu.

4. CH

Moves from one menu item to another vertically or

adjusts selected menu values.

In TV mode, selects TV channels.

5. VOL

Moves from one menu item to another horizontally

or adjusts selected menu values.

Adjusts the audio volume.

6. [ ] Enter button

Activates a highlighted menu item.

7. [ ] Power button

Use this button to turn the monitor on and off.

8. Power indicator

Power Indicator shows PowerSaver mode by

green blinking.

9. Remote Control Sensor

Aim the remote control towards this spot on the

monitor.

10. Speaker

You can hear sound by connecting the soundcard

of your PC to the monitor.

10 Operating Instructions and Installation

10-2

10-2 Rear

1. POWER

Power terminal

Connect the power cord for your monitor to the

POWER on the back of the monitor.

This product may be used with 100 ~ 240VAC

(+/- 10%).

2.DVI/PC IN

1) DVI(HDCP)

: Connect the DVI cable to the DVI(HDCP) port

on the back of your monitor.

2) RGB

: Connect the signal cable to the RGB port on

the back of your monitor.

3) AUDIO

: PC sound terminal (input)

10 Operating Instructions and Installation

10-3

3. EXT(RGB)

External device terminal

EXT(RGB) is mainly used in Europe.

As for EXT(RGB) port of the monitor, it makes TV

or Video signal input and output.

4. COMPONENT IN

1) R - AUDIO - L

: DVD/DTV sound input terminal (left/right)

2) PR, PB,Y

: DVD/DTV video input terminal(PR, PB,Y)

5. ANT IN

TV antenna terminal

10 Operating Instructions and Installation

10-4

7. Kensington Lock

The Kensington lock is a device used to physically

fix the system when using it in a public place.

(The locking device has to be purchased separately.)

For using a locking device, contact where you

purchase it.

6. AV connection terminal

1) : Headphone sound output terminal

2) S-VIDEO

: External device (S-video) input terminal

3) VIDEO

: External device (video) input terminal

4) R - AUDIO - L

: External device sound input terminal

10 Operating Instructions and Installation

10-5

10-3 Remote Control

1. POWER

2. Number button

3. +100, -/--

4. - +

5. MUTE

6. TTX/MIX

7. MENU

8. ENTER

9. CH/P

10. SOURCE

11. INFO

12. EXIT

13. Up-Down Left-Right buttons

14. AUTO

15. P.MODE, M/B (MagicBright¢â)

16. P.SIZE

17. STILL

18. PIP

19. S.MODE

20. DUAL/MTS

21. PRE-CH

22. SOURCE

23. SIZE

24. POSITION

25. MAGIC-CH

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