Lenovo L2062bW, Service Manual

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Lenovo Service Manual L2062bW
3
CONTENTS
1. LCD Specifications ............................................................................................................................................ 4
1.1 Product Features .................................................................................................................................................... 4
1.2 Factory preset modes ............................................................................................................................................ 5
1.3 New Features ......................................................................................................................................................... 5
2. Operation instruction ...................................................................................................................................... 6
2.1 Connection ............................................................................................................................................................. 6
2.2 Control Buttons ...................................................................................................................................................... 6
2.3 OSD User mode adjustment .................................................................................................................................. 7
2.4 OSD Lock function ................................................................................................................................................ 10
3.Interface description ...................................................................................................................................... 11
3.1 VGA Interface description .................................................................................................................................... 11
3.2 DVI Connector ...................................................................................................................................................... 11
4. Panel Feature ................................................................................................................................................. 12
4.1 General information ............................................................................................................................................ 12
4.2 Absolute Maximum Ratings ................................................................................................................................ 12
4.3 Electrical Characteristics...................................................................................................................................... 12
4.4 Optical Characteristics ......................................................................................................................................... 13
4.5 Panel Block Diagroam ......................................................................................................................................... 13
4.6 LVDS Connector pin Assignment ......................................................................................................................... 14
5.Block Diagram ................................................................................................................................................ 15
5.1 LCD Block Diagram ............................................................................................................................................. 15
5.2 MainBoard Block Diagram .................................................................................................................................. 15
5.3 Power/ Inverter Board Block Diagram ............................................................................................................... 16
5.4 Software Flow Chart ............................................................................................................................................ 17
6.
Circuit Schematic .......................................................................................................................................... 18
6.1 Main Board---715G4032 ..................................................................................................................................... 18
6.2 Power Board 715G4497-P01 ............................................................................................................................... 24
6.3 Converter part ...................................................................................................................................................... 25
6.4 Key Board 715G4585K0B..................................................................................................................................... 26
7.Exploded Views .............................................................................................................................................. 27
8. PCB Layout ..................................................................................................................................................... 28
8.1 MainBoard- 715G4032-M01 .............................................................................................................................. 28
8.2 PowerBoard 715G4497
对
................................................................................................................................. 30
8.3 KeyBoard 715G4585 ............................................................................................................................................ 32
9. Maintenance .................................................................................................................................................. 33
9.1 Maintenance
requisite
........................................................................................................................................ 33
9.2 Disassembly SOP .................................................................................................................................................. 33
9.3 Trouble Shooting .................................................................................................................................................. 37
9.4 Software update step
（
SOP
）
........................................................................................................................... 43
9.5 Writing DDC program step .................................................................................................................................. 49
9.6 Factory mode adjustment ................................................................................................................................... 52
10.BOM List ....................................................................................................................................................... 54
10.1 Model
：
TACGT428B4G5HCJ
......................................................................................................................... 54
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