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AM777/778/677/678 TFT LCD MONITOR CONTENTS

AM777/778/677/678 TFT LCD MONITOR CONTENTS................................................................................... 1

1. INTRODUCTION .......................................................................................................................................... 3

1.1 Scope .................................................................................................................................................................... 3

1.2 Description ........................................................................................................................................................... 3

2. ELECTRICAL REQUIREMENTS................................................................................................................. 4

2.1 Standard Test Conditions ..................................................................................................................................... 4

All tests shall be performed under the following conditions, unless otherwise specified. ............................................ 4

2.2 LCD monitor General specification ..................................................................................................................... 4

2.3 LCD Panel Specification ...................................................................................................................................... 5

2.4 Input Signals....................................................................................................................................................... 12

Supported Timing........................................................................................................................................................ 13

2.5 CONTROLS ........................................................................................................................................................ 16

2.6 White Color Temperature................................................................................................................................... 18

2.7 POWER SUPPLY ............................................................................................................................................... 19

2.8 Plug & Play(EDID) ............................................................................................................................................ 20

2.9 Audio Technical specification (AM777/677 Only) ............................................................................................. 20

3. VL-713 DISPLAY CONTROL BOARD...................................................................................................... 21

3.1 Description ......................................................................................................................................................... 21

3.2 Features.............................................................................................................................................................. 21

3.3 BLOCK DIAGRAM ............................................................................................................................................ 22

System Block Diagram................................................................................................................................................ 22

3.4 Connector Locations .......................................................................................................................................... 22

3.5 Connector Type .................................................................................................................................................. 23

3.6 Connector pin assignment .................................................................................................................................. 23

4. VK-713 Control Panel Board ................................................................................................................... 26

4.1 Description ......................................................................................................................................................... 26

4.2 Connector and Switch Locations........................................................................................................................ 26

4.3 Connector type.................................................................................................................................................... 26

4.4 Connector pin Assignment.................................................................................................................................. 26

4.5 Switch definition ................................................................................................................................................. 27

4.6 LED definition .................................................................................................................................................... 27

5. POWER SUPPLY & INVERTER BOARD ................................................................................................. 28

5.1 Description ......................................................................................................................................................... 28

5.2 Power supply ( AC to DC section)...................................................................................................................... 28

5.3 Inverter (DC to AC Section) ............................................................................................................................... 29

5.4 Electrical characteristics.................................................................................................................................... 29

5.5 Connector locations............................................................................................................................................ 30

5.6 Connector locations............................................................................................................................................ 32

6. TROUBLESHOOTING ............................................................................................................................... 34

6.1 Main Procedure.................................................................................................................................................. 34

7. Power Line Transient Test (IEC 61000-4-4 Fast Transients/Burst)............................................................ 38

7.1 Peak Voltage: ..................................................................................................................................................... 38

7.2 Polarity

: + / - ............................................................................................................................................. 38

7.3 Repetition Frequency of the impulse : 5 KHz..................................................................................................... 38

7.4 Rise-Time : 5ns

7.5 Impulse Duration: 50 nS

7.6 Relation to Power Supply: Asynchronous .......................................................................................................... 38

7.7 Burst Duration: 15 ms

7.8 Burst Period: 300 ms

7.9 Climatic Conditions: .......................................................................................................................................... 38

7.10 Test Procedure: .................................................................................................................................................. 38

8. Power Line Surge Test (IEC 61000-4-5 Surge) ...................................................................................... 40

8.1 Climatic Condition ............................................................................................................................................. 40

8.2 Test Conditions:.................................................................................................................................................. 40

8.3 ............................................................................................................................................................................ 40

8.4 ............................................................................................................................................................................ 40

8.5 ............................................................................................................................................................................ 40

8.6 ............................................................................................................................................................................ 40

8.7 Display set high-resolution mode, AC input use AC 240V................................................................................. 40

30% ..................................................................................................................................... 38

30%......................................................................................................................... 38

20% ............................................................................................................................ 38

20% .............................................................................................................................. 38