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Acer AT2001 AT2001 Service Guide - Page 52

NO Signal, Check, cable, Change VGA Cable, Check CON5, V sync, Input circuit, Change U12, Change CON5

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Page 52 highlights

NO Signal NO CChhaannggeeVVGGAACCaabblele NO CChhaannggeeCCOONN55 NO CChhaannggeeNNGGccoommppoonneennt t NNoossigignnaal l CChheecckk VVGGAA ccaabblele OK CChheecckkCCOONN55 OK CChheecckkHH,V,Vsysynncc InInppuut tcciricrcuuitit OK CChhaannggeeUU1122 Chapter 4 46

Section	Page
Cover	1
Revision History	2
Copyright	3
Conventions	4
Preface	5
TOC	6
System Specifications	7
Features	7
LCD Panel	7
I/O functions:	7
Video Functions	7
Mechanical	7
SAP system	7
Power Soutce:	7
Remote COntrollers	8
Speaker	8
Others	8
Block Diagram	9
LCD Panel Characteristics	12
Display Electrical and Functional Specification	16
Accessories	34
Mechanism Specifications	35
Regulatory and Reliabiliry Requirements	37
Machine Disassembly and Replacement	41
General Information	42
Before You Begin	42
Disassembly Procedure	43
Removing the Stand Assy	44
Removing the IO Box	45
Disassembly the Main Unit	46
Removing the Rear cover	46
Disconnecting the Cables	46
Removing the Speaker	47
Removing the button board	47
Removing the Wall Mount Assembly	47
Removing the IV Board	48
Removing the Panel	49
Troubleshooting	50
No Power	50
No Characters, Missing Color	51
NO Signal	52
FRU (Field Replaceable Unit) List	54
Exploded Diagram	55

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