Acer AT4220 Technical Information Page 70
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
- Service Guide 1
- Revision History 2
- Copyright 3
- Disclaimer 4
- Conventions 5
- System Specification 7
- INVERTER 9
- LCD Main Board Block Diagram 10
- LCD TV Overview 11
- AT4220A Rear Panel View 12
- AT4220B Rear Panel View 13
- AT4220 Rear Panel View 14
- Remote Control 15
- Teletext 18
- Basic Connection 21
- For AT4220A 21
- For AT4220B 21
- For AT4220 22
- For AT4220A/AT4220B 29
- OSD Navigation 30
- Empowering Technology 33
- Favorite Channel Mode in TV 34
- Advanced Features 36
- 1+5 1+12 37
- Locking TV Content 38
- Electro/Optical 39
- Preset Mode for VGA Input 40
- Power Saving 40
- White Balance and Uniformity 41
- Max. Brightness 41
- Acoustical Noise 41
- Line Fuse 42
- Vibration Test 43
- Drop Test 43
- Multi Picture 44
- General Information 45
- Chapter 2 45
- Disassembly Procedures 46
- Chapter 2 41 47
- 42 Chapter 2 48
- Detach function key 50
- Board Placement 52
- Chapter 2 47 53
- 48 Chapter 2 54
- Chapter 2 49 55
- 50 Chapter 2 56
- Troubleshooting 57
- Symptoms 58
- LCD No Backlight 59
- Remote Control No Function 60
- Button Keys No Function 61
- RF No Display 62
- Chapter 3 56 63
- AV1 and AV2 No Display 64
- Speaker No Sound 65
- VGA No Display 66
- DVI No Display 67
- HDMI No Display 68
- HDMI No Sound 69
- VGA/DVI No Sound 70
- COMPONENT No Sound 71
- AV1/S-Video No Sound 72
- Chapter 4 73
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