Samsung SyncMaster 732N Manual de usuario

SERVICEManual

TFT-LCD Monitor Fashion Feature

LCD-Monitor

Chassis Model

LS17PEA 732N

732NPLUS

LS19PEB 932B

932BPLUS

LS19PEA 932NPLUS

-Lustrous/Colorful Appearance (Design)

-Integrated UI applied

-Built-in Scaler Sync Separator

-Connectivity :

LS17PEA, LS19PEA - Analog (15p Dsub)

LS19PEB - Analog (15p Dsub),

Dual (24p DVI-D)

-Power Consumption : 17"(34W), 19"(38W)

-DPMS : under 1 W (230Vac)

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.

LS17PEA/LS19PEA/LS19PEB Service Manual

First edition February 2006.

Printed in Korea.

Trademarks

Samsung is the registered trademark of Samsung

Electronics Co., Ltd.

LS17PEA/LS19PEA/LS19PEB 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 Electrostatically Sensitive Devices (ESD) Precautions ……………………………………………………………………………… 1-2

1-4 Installation Precautions ………………………………………………………………………………………………………………… 1-3

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

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

2-2 LS17PEA Specifications ………………………………………………………………………………………………………………… 2-1

2-3 LS19PEB Specifications ………………………………………………………………………………………………………………… 2-2

2-3 LS19PEA Specifications ………………………………………………………………………………………………………………… 2-4

2-4 Spec Comparison ………………………………………………………………………………………………………………………… 2-5

2-5 Option Specification ……………………………………………………………………………………………………………………… 2-6

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

3-1 Required Equipment …………………………………………………………………………………………………………………… 3-1

3-2 Automatic Color Adjustment …………………………………………………………………………………………………………… 3-1

3-3 DDC EDID Data Input …………………………………………………………………………………………………………………… 3-1

3-4 OSD Adjustment When Replacing Panel ……………………………………………………………………………………………… 3-1

3-5 OSD Adjustment When Replacing Lamp Only ………………………………………………………………………………………… 3-1

3-6 Service Function Spec. ………………………………………………………………………………………………………………… 3-2

3-7 How to execute DDC …………………………………………………………………………………………………………………… 3-4

3-8 How to execute MCU Code ……………………………………………………………………………………………………………… 3-5

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

4-1 No Power) …………………………………………………………………………………………………………………………………4-1

4-2 No Video (ANALOG) ……………………………………………………………………………………………………………………… 4-2

4-3 No Video (DIGITAL) ……………………………………………………………………………………………………………………… 4-4

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

6. EElectrical Parts List ……………………………………………………………………………………………………………………………6

6-1

Contents

77. Block Diagram …………………………………………………………………………………………………………………………………77-1

7-1 Power Tree ………………………………………………………………………………………………………………………………… 7-1

7-2 Main Board Part ( LS17PEA, LS19PEA) ……………………………………………………………………………………………… 7-2

7-3 Main Board Part ( LS19PEB) …………………………………………………………………………………………………………… 7-3

7-4 IP Board Part (SMPS Part) ……………………………………………………………………………………………………………… 7-4

7-5 IP Board Part (Inverter Part) …………………………………………………………………………………………………………… 7-5

8. Wiring Diagram …………………………………………………………………………………………………………………………………88-1

8-1 Wiring Diagram LS17PEA, LS19PEA ………………………………………………………………………………………………… 8-1

8-2 Wiring Diagram LS19PEB ……………………………………………………………………………………………………………… 8-2

9. Schematic Diagrams ……………………………………………………………………………………………………………………………99-1

9-1 Schematic Diagrams (LS17PEA, LS19PEA) ………………………………………………………………………………………… 9-1

9-2 Schematic Diagrams (LS19PEB) ……………………………………………………………………………………………………… 8-2

10. Operating Instructions and Installation ………………………………………………………………………………………………………10-1

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

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

10-3 Connecting the monitor ……………………………………………………………………………………………………………… 10-3

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

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

11-2 Reassembly …………………………………………………………………………………………………………………………… 11-6

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

12-1 Main PCB (LS17PEA, LS19PEA) …………………………………………………………………………………………………… 12-1

12-2 Main PCB (LS19PEB) ………………………………………………………………………………………………………………… 12-2

13. Circuit Descriptions ……………………………………………………………………………………………………………………………113-1

13-1 Overall Block Structure ……………………………………………………………………………………………………………… 13-1

13-2 Trouble Shooting ……………………………………………………………………………………………………………………… 13-5

13-3 IP BOARD(Power) Schematic Diagrams …………………………………………………………………………………………… 13-8

13-4 IP BOARD(Inverter) Schematic Diagrams ………………………………………………………………………………………… 13-9

14. Reference Infomation

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

14-2 Pin Assignments ……………………………………………………………………………………………………………………… 14-3

14-3 Timing Chart …………………………………………………………………………………………………………………………… 14-4

14-4 Preset Timing Modes ………………………………………………………………………………………………………………… 14-5

14-5 Panel Description ……………………………………………………………………………………………………………………… 14-6

Contents

Samsung Electronics Co.,Ltd.

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

Gyeonggi-Do, Korea, 443-742

Printed in Korea

P/N : BN82-00138H-02

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.

11 Disassembly and Reassembly

11-1

11 Disassembly and Reassembly

This section of the service manual describes the disassembly and reassembly procedures for the LS17PEA/LS19PEB

TFT-LCD monitors.

WARNING: This monitor contains electrostatically sensitive devices. Use caution when handling

these components.

11-1 Disassembly

Cautions: 1. Disassemble stand on a flat desk.

2. Disconnect the monitor from the power source before disassembly.

Description Picture Description

1. Place a soft cloth on the desk and place the

monitor on the cloth upside down. Remove the

stand in the direction of the arrow.

2. Turn the monitor so the front section is facing

upwards. Remove the marked parts from the

front cover, as shown in the figure below.

3. Remove the marked part from the top edge of

the front cover, as shown in the figure below.

11 Disassembly and Reassembly

11-2

Description Picture Description

4. Remove the marked parts from both sides of

the front cover, as shown in the figure below.

(1)

5. Remove the marked part from the front cover,

as shown in the figure below.

Caution: Do not lift the front cover over position (1),

which may cause damage to it.

6. Turn the monitor so the back of it is facing

upwards. Lift up and remove the back cover.

7. Use the jig to remove the shield lamp.

(Be careful Shield.)

11 Disassembly and Reassembly

11-3

Description Picture Description

LVDS

INVERTER FUNCTION

LVDS

INVERTER

FUNCTION

19"

17"

8. Disconnect cables.

(LVDS, INVERTER and FUNCTION cable)

9. Lift up the LCD panel.

10. LCD Panel

11 Disassembly and Reassembly

11-4

설

설명사

사진설명

11.Remove screws.

(17"=2 screws, 19"=4 screws)

Description Picture Description

19"

17"

12. Remove 5screws.

13. Lift up the Bracket Support.

11 Disassembly and Reassembly

11-5

설

설명사

사진설명

Description Picture Description

14. Lift up the Main PCB and IB Board.

15. Main PCB and IB Board

19"

17"

11-2 Reassembly

Reassembly procedures are in the reverse order of disassembly procedures.

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