Philips V30 General Troubleshooting Guide, OSD main, Menu locked, Buzzing sound when powering on

Page 87

General Troubleshooting Guide		107T5		87
	Go to cover page

General Troubleshooting Guide

No Display,

1but LED is ON

or LED is amber (yellow)

2Monitor drivers

(inf file)

3Focus

4Degaussing

Picture distortion

5

(Geometry)

11Moire

	12	OSD main
	12	menu locked
		menu locked

Unstable Picture/ Picture Flickers

H/V Rolling,

H/V Sync.

Picture too bright

Picture too dim

No Power /

LED is off

Power management function is not active

A buzzing sound when powering on

CustoMax

6

7

8

9

10

16

17

18

13

Shimmering /

Jitter/Video Noise

14Missing Color

15Color Purity

Colorific

USB

Picture too

Large or Small

19

20

21

Note : Not all described feature are applicable for all monitors.

Image 87

Contents Auto Scan Colour Monitor ChassisV30 ServiceImportant Safety Notice This monitor has 8 factory-preset modes as indicated Technical DataRear view Front control Front ViewOSD Tree OSD menu treeLanguage Brightness OSD AdjustmentsZoom Adjust Shape Adjust Side Angles Reset to Factory Settings Extra Controls Adjust Moire Degauss OSD Adjustments , TroubleshootingLock/Unlock, Factory Mode, Burn In, Service Mode Wiring Diagram Clip Pedestal assy Screw CRT grouding wirel Video PanelMechanical Instructions GeneralScrew Video panel Main panel Main panel with Bottom TrayESD Are indicated by the symbolMain chassis alignment ================== Electrical InstructionsGeneral point ========== Pre warm-up ==========CRT Default settings ============== Adjustment procedureFocus adjustment ============= Adjustment of Moir ================General DDC InstructionsMethod 2 After create a shortcut of EDID301.EXE Configuration and procedureInstallation of EDID301.EXE Method 1 Start on DDC program This is for initialize alignment boxModify DDC data Monitor Serial No Videocard PrinterportLTP1 DC Power ~12 Video cableModify DDC data verify Edid version, week, year Read DDC data from monitorConfirm Serial Number in User Mode Write DDC dataSave DDC data DDC only was disabled as shown in Fig Load DDC dataExit DDC program PHL Hex Data of DDC2B27X 28X 107T5 Function Block of V30 107T5 VideoMain PCB Schematic Diagram of Main board107T5 A. of Main board A. of Main board Video PCB Schematic Diagram of Video boardA. of Video board A. of Video board Control PCB Schematic Diagram of Control boardA. of Control board Exploded View Model V30 107T50/00 Recommend Parts ListModel V30 107T50/00 Spare Parts ListAudio Panel LOW Emission MPRII/TCO99/TCO95 optional General Product SpecificationIndex 5903 Electrical characteristics IntroductionGeneral description 64.0 KHz 60Hz Vesa Factory preload modes Total size 11.764 Display size Display size 11.093 Rear porch 222 us 578 ms Sync widthSync width 069 ms Sync polarity Total size 21.333 13.333 Display size 16.162 = 12.8 ms Rear porch 200 us 607 ms Sync width 106 ms Sync. polarity Total size 13.853 Display size Total size 13.417 Display sizeDisplay size 12.552 Rear porch 911 us 784 ms Sync width 59012 25.0 1 KV Ib=0 Power supplyVertical scanning Scanning frequency 50 160 Hz Shift range Implosion protection By P-Mini-rim-bandDisplay Light Output MVpp cross hatch Max. Y. min Non-linearity = 100% Image size For preset modes only100% MaxFor SRGB = 0.313 For 6500 K 015Finland Norway SwitzerlandBelgium SwedenTilt and swivel base Tilt angle Sets Layer Block Blocks / Container Total Sets200 Nsta Taiwan FinlandNBR. of Failure Sets Practice of Mtbf =FIG-1 Image Dimension FIG-2 Image Centering FIG-3 Image Rotation FIG-4 Image Geometry FIG-5 Contrast and Brightness Measurement Area FIG-6 Misconvergence 230 mm Focus check character Repair Flow Chart 2V ABL = +Check list CheckRepair Flow Chart Check sync Check idle status sda=pin32=hi scl=pin31=hi EepromEwdrv Vblk Compatibility InstallationLightFrame for Windows DefinitionsLightFrame for Windows UninstallIcon and Colors How to Deactivate LightFrameHow To Activate LightFrame Operating LightFrameScreen button Full screen First target selected Window restored LF suspendUser clicks off or full screen User clicks fullAttachment of SMDs Repair TipsGeneral cautions on handling and storage Removal of SMDsRequired =0.09+R ohm, R is the resistance of the mains cord Safety test requirementsTest 2820VDC 1700VDC Voltage 2000VAC 1200VAC Test current 25A,AC Test timeMenu locked General Troubleshooting GuideBuzzing sound when powering on OSD mainYES END No DISPLAY, but LED is on Or LED is amberyellowPicture is too bright or dark SettingsPlug & Play is not Active normally Power management function is not active Buzzing sound when powering on No Power / LED is off YES Color has IrregularityPress the OK Picture distortion is Not adjusted normallyPicture is not stable Need to change display size and adjust distortion Color Patterns visible On the screen Moire OSD Main Menu Locked Repair the monitor Environment problemVideo system Problem It is need to checkMissing Color Does degaussing resolve ? Color Purity104 107T5 107T5 105 CustoMax Colorific USB 107T5 109