2
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
Summary of Contents for 2220WM - SyncMaster - 22" LCD Monitor
Page 17: ...17 4 2 No Picture VGA Mode ...
Page 18: ...18 4 3 No Picture DVI Mode ...
Page 19: ...19 4 4 No Power ...
Page 24: ...25 6 3 IP Board Part power Part 6 4 IP Board Part Inverter Part ...
Page 25: ...26 7 Wiring Diagram ...
Page 26: ...27 8 Schematic Diagram 8 1 DC DC 8 2 Input ...
Page 27: ...28 8 3 TSUMU58WHJ 8 4 Power ...
Page 28: ...29 8 5 Inverter 8 6 Keypad ...
Page 29: ...30 8 7 Audio 8 8 Ear Phone ...
Page 32: ...33 9 3 Connecting the Monitor ...
Page 33: ...34 9 4 Monitor Assembly ...
Page 39: ...40 11 PCB Diagram 11 1 Main Board 11 1 1 Main Board Top Layer 11 1 2 Main Board Bottom Layer ...
Page 40: ...41 11 2 Power Board 11 2 1 Power Board TOP Layer 11 2 2 Power Board BOTTOM Layer ...
Page 49: ...50 ...