ViewSonic E90B-4 Manual de Serviço Página 88
- Página / 107
- Índice
- MARCADORES
- Service Manual 1
- Revision History 2
- TABLE OF CONTENTS 3
- Handling and Placing Methods 5
- 2. Specification 7
- 2.1 INTRODUCTION 7
- ViewSonic Corporation 10
- VX2433wm-1 10
- 2.3 GENERAL SPECIFICATION 12
- 2.4 VIDEO INTERFACE 12
- 2.5 POWER SUPPLY 13
- 2.6 ELECTRICAL REQUIREMENT 14
- 3.3 MAIN MENU OSD TABLE 19
- HDMI AV 22
- Aspect Ratio 27
- ; = Non-transparent 32
- = Transparent 32
- Range = 0 to 10 34
- 3.7 TOUCH™ FUNCTION ACTIONS 36
- 3.8 OSD AUTO SAVE 36
- 3.9 OUT OF RANGE 36
- 3.11 ACTORY DEFAULTS 37
- Power cord 38
- VGA cable 38
- Moniter Head 38
- Disassembly Procedure 39
- BACKCOVER 40
- PANEL 41
- POWER BOARD 43
- LVD CABLE 43
- SHORT KEYPAD-CABLE 43
- IF BOARD 44
- 4. Circuit Description 45
- 4.2 Inverter Circuit 46
- 4.3 I/F Board Circuit 46
- 4.3.3 VGA Input 47
- 4.3.4 Button Control 47
- 4.4 Power On/Off Sequence 48
- Pin No. Symbol Description 49
- 4.6 Key Parts Pin Assignment 51
- 5. Adjustment Procedure 53
- 5.1 Key Function Description 53
- 5.2 Hot Key Operation 53
- 5.3 OSD Control 55
- 5.4 Factory Defaults 57
- 5.5 Function description: 58
- 5.6 OSD Structure 60
- HDMI PC 62
- 5. When move to Dynamic 66
- Contrast, the right-bottom 66
- Change aspect ratio to 4:3ʳ 68
- Full Screen 68
- YPbPr -> YUV mode 69
- 2. When move to Resolution 72
- Notice / OSD Background / 72
- OSD Pivot, the right-bottom 72
- ISP Board 76
- 6.1 Common Acknowledge 78
- Check FB801,D803 79
- Check IC802 79
- 6.7 White Screen 84
- 6.8 Bad Screen 85
- 7. Block Diagram 86
- 8. Schematic Diagrams 87
- POWER (DC TO DC) 87
- VGA-INPUT 88
- DVI-INPUT 89
- HDMI-INPUT 90
- POWER SUPPLY 94
- INVERTER SUPPLY 95
- 9. PCB Layout Diagrams 96
- MAIN BOARD - SILKSCREEN TOP 96
- MAIN BOARD - SILKCREEN BOTTOM 97
- POWER BOARD - SILKSCREEN TOP 98
- ˣ˴˺˸ʳ˄ʳ̂˹ʳ˅ 105
- ˣ˴˺˸ʳ˅ʳ̂˹ʳ˅ 106
- * Reader’s Response* 107
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