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Contents
1. Precautions ……………………………………………………………………………………………………………………………………………… 4
1-1 Safety Precautions …………………………………………………………………………..……………………………………………… 4
1-2 Servicing Precautions ……………………………………………………………………………………………………………………... 5
1-3 Static Electricity Precautions ………………………………………………………………………………………………………………. 5
1-4 Installation Precautions …..………………………………………………………………………………………………………………… 6
2. Product specifications ………………………………………………………………………………………………….…………………………… 7
2-1 Fashion Feature ………………………………………………………………………………………………………………………… 7
2-2 2220WM Specifications …………………………………………………………………………………………….………………………. 7
3. Alignments and Adjustments ………………………………………………………………………………………………………………………. 8
3-1 Required Equipment ………………………………………………………………………………………………………………………. 8
3-2 Automatic Color Adjustment …. ……………………………………………………………………………………………………………. 8
3-3 DDC EDID Data Input .…………………………………………………………………………………………………………………….. 8
3-4 EDID table .. …………………………………………………………………………………………………………………………… 9
3-5 How to execute DDC ….. …………………………………………………………………………………………………………………… 13
3-6 How to execute MCU Code …………………………………………………………………………………………………………………. 15
4. Troubleshooting ………………………………………………………………………………………………………………………………….. 16
4-1 Common Acknowledge …………………………………………………………………………………………………………………… 16
4-2 No Picture (VGA Mode) ……………………………………………………………………………………………………………… 17
4-3 No Picture (DVI Mode) …………………………………………………………………………………………………………. 18
4-4 No Power ……………………………………………………………………………………………………………… ……………... 19
5. Exploded View and Parts List ……………………………………………………………………………………………………………………. 20
5-1 Exploded View …………………………………………………………………………………………………………………………… 20
5-2 Parts List …………………………………………………………………………………………………………………………………… 22
6. Block Diagram ……………………………………………………………………………………………………………………………… ……… 24
6-1 Power Tree ………………………………………………………………………………………………………………………………… 24
6-2 Main Board Part …………………………………………………………………………………………………………………………….. 24
6-3 IP Board Part (SMPS Part) ………………………………………………………………………………………………………………… 25
6-4 IP Board Part (Inverter Part) ………………………………………………………………………………………………………………. 25
7. Wiring Diagram ………………………………………………………………………………………………………………………………………………. 34
8. Schematic Diagrams …………………………………………………………………………………………………………………………………….. 27
8-1 DC- DC …………………………………………………………………………………………………………………………………….. 27
8-2 Input ………………………………………………………………………………………………………………………………………. 27
8-3 TSUMU58WHJ ……………………………………………………………………………………………………………………………… 28
8-4 Power ………………………………………………………………………………………………………………………………………… 28
8-5 Inverter …………………………………………………………………………………………………………………………………… 29
8-6 Keypad …………………………………………………………………………………………………………………………………… 29
8-7 Audio …………………………………………………………………………………………………………………………………… 30
8-8 Ear Phone …………………………………………………………………………………………………………………………………… 30
9. Operating instructions and installation …………………………………………………………………………………………………………………… 31
9-1 front ……………………………………………………………………………………………………………………………………………. 31
9-2 Rear …………………………………………………………………………………………………………………………………………… 32
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