Service Manual37Power (include IF +5Vand +3.3V) supply and display normal butLED AmberIs Power LED Amber?Do the Hsync. & Vsync. Signals existin CN102 #13& #14 separately whenselect VGA mode by OSD?Do the Hsync. & Vsync. Signals existin R133 & R134?Do the Hsync. & Vsync. Signals existin U105#9& #8?Is the Q108 work normalIs theLED control signal at 48# ofU108 high-low convertible when DCon/offENDInsert VGA Cable correctlyCheck R133 & R134Change R135 & R136Change Q108NONONONOYESYESYESYESYESChange U108NO

service manual

CHAPTER 1- PRECAUTIONS & SAFETY NOTICES

CHAPTER 2- SERVICE TOOLS & EQUIPMENT REQUIRED

CHAPTER 3- CIRCUIT THEORY

factory preset timing table

ac outlet pin assignment

function key definitions

factory mode introduction

common acknowledge

led amber

ATTACHMENT 1- BILL OF MATERIAL

ATTACHMENT 2- SCHEMATIC

ATTACHMENT 3- PCB LAYOUT

Dell 2208WFP Service Manual

2208WFPf

UltraSharp 2208WFP