Acer AL716 AL716 Monitor Service Guide - Page 1

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 ± 30% ...38 7.5 Impulse Duration: 50 nS ± 30%...38 7.6 Relation to Power Supply: Asynchronous ...38 7.7 Burst Duration: 15 ms ± 20% ...38 7.8 Burst Period: 300 ms ± 20% ...38 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 1