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Acer AL2671W AL2671W Service Guide - Page 33

Removing the Audio Board and the Main Board, Remove the four screws holding the main board heatsink.

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4. Disconnect the inverter cable. 5. Remove the power board. Removing the Audio Board and the Main Board 1. Disconnect all cables connected to the audio board. 2. Remove the four screws fastening the audio board. 3. Then remove the audio board. 4. Take out the cables from the cable clip as shown. 5. Disconnect all cables connected to the main board. 6. Remove the four screws holding the main board heatsink. 7. Then detach the main board heatsink carefully. 8. Remove one screw that secures the I/O bracket. 9. Detach the main board from the LCD TV. Chapter 3 47

Section	Page
Ch.1 System Specifications	1
Features	1
System Block Diagram	3
System Block and Wiring Diagram	3
LCD Main Board Block Diagram	4
Audio Board Block Diagram	4
Board Layout	5
Outlook View	6
Front panle view	6
Rear panel view	7
Bottom view	8
Remote control	9
Basic connection	11
Connecting the power cord	11
Connecting an antenna	11
Connecting VCR/DVD/AV equipment with a SCART-SCART cable	11
Connecting VCR/DVD/AV equipment with a SCART-component/AV cable	12
Connecting a camera, camcorder or video game	12
Connecting a headphone	13
Getting started watching your TV	14
Power On	14
Changing channels	14
Adjusting the volume	14
Scanning the channels	15
OSD Navigation	16
Teletext	17
Advanced Features	18
PIP/PBP/POP	18
Parental Control	19
Empowering Key: Scenario Mode and Favorite Channels	19
Display Electrical and Functional Specificatons	21
Hardware Specifications and Configurations	23
Ch.3 Machine Disassembly and Replacement	27
General Information	28
Before You Begin	28
Disassembly Procedure Flowchart	29
Removing the TV Stand Module	31
Removing the Tuner Box Module	31
Removing the Back Cover and Wall Mount Assembly	32
Removing the Power Board	32
Removing the Audio Board and the Main Board	33
Removing the Speakers	34
Removing the AV3 Board and the Button Board	35
Removing the LCD Module	36
Ch.4Troubleshooting	39
Ch.6 FRU (Field Replaceable Unit) List	49

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