Table of Contents
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1
CONTENTS
SAFETY INFORMATION ..................................................................................................................................... 2
1. SERVICE PRECAUTIONS ............................................................................................................................... 5
1.1 SERVICE PRECAUTIONS......................................................................................................................... 5
1.2 NOTES ON SOLDERING .......................................................................................................................... 5
2. SPECIFICATIONS ............................................................................................................................................ 6
2.1 SPECIFICATIONS...................................................................................................................................... 6
2.2 PANEL FACILITIES .................................................................................................................................... 7
2.3 CONNECTION DIAGRAM ......................................................................................................................... 8
3. BASIC ITEMS FOR SERVICE........................................................................................................................ 10
3.1 CHECK POINTS AFTER SERVICING..................................................................................................... 10
3.2 PCB LOCATIONS .................................................................................................................................... 11
4. BLOCK DIAGRAM.......................................................................................................................................... 12
4.1 OVERALL CONNECTION DIAGRAM...................................................................................................... 12
4.2 BLOCK DIAGRAM ................................................................................................................................... 14
5. DIAGNOSIS.................................................................................................................................................... 19
B
5.1 OPERATIONAL FLOWCHART ................................................................................................................ 19
5.2 CONNECTOR FUNCTION DESCRIPTION ............................................................................................. 20
6. SERVICE MODE ............................................................................................................................................ 21
7. DISASSEMBLY............................................................................................................................................... 22
8. EACH SETTING AND ADJUSTMENT ........................................................................................................... 23
8.1 POWER SUPPLY UNIT ADJUSTMENT .................................................................................................. 23
8.2 FUNCTION TO CHANGE THE COLOR TEMPERATURE INITIAL VALUE............................................. 25
9. EXPLODED VIEWS AND PARTS LIST.......................................................................................................... 26
9.1 PACKING ................................................................................................................................................. 26
9.2 DISPLAY ASSY........................................................................................................................................ 28
9.3 POWER SUPPLY ASSY .......................................................................................................................... 30
C
10. SCHEMATIC DIAGRAM ............................................................................................................................... 32
10.1 POWER SUPPLY UNIT(GUIDE PAGE) ................................................................................................. 32
10.2 RELAY PCB ........................................................................................................................................... 38
10.3 KEY PCB AND SENSOR PCB .............................................................................................................. 39
10.4 SERVICE UNIT(VIDEO PCB)(MONITOR I/F)........................................................................................ 40
10.5 SERVICE UNIT(VIDEO PCB)(AD CONVERTER) ................................................................................. 42
10.6 SERVICE UNIT(VIDEO PCB)(GRAPHIC PROCESSING) .................................................................... 44
10.7 SERVICE UNIT(VIDEO PCB)(LVDS TRANSMITTER) .......................................................................... 46
10.8 SERVICE UNIT(VIDEO PCB)(uCOM) ................................................................................................... 48
10.9 SERVICE UNIT(VIDEO PCB)(POWER SUPPLY).................................................................................. 50
10.10 SERVICE UNIT(VIDEO PCB)(LED DRIVER) ...................................................................................... 52
10.11 WAVEFORMS ...................................................................................................................................... 54
D
11. PCB CONNECTION DIAGRAM ................................................................................................................... 56
11.1 POWER SUPPLY UNIT.......................................................................................................................... 56
11.2 RELAY PCB ........................................................................................................................................... 60
11.3 KEY PCB ............................................................................................................................................... 62
11.4 SENSOR PCB ....................................................................................................................................... 63
11.5 SERVICE UNIT(VIDEO PCB) ................................................................................................................ 64
12. ELECTRICAL PARTS LIST .......................................................................................................................... 68
E
F
4
1
2
AVD-W9000/UR
2
3
3
4
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