Philips V30 manual = +, 2V ABL

Page 74

74

V30 107T5

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Repair Flow Chart (Continued)

			rough check for R,G, B
			rough check for R,G, B
B.Video			1. video input= 0.7V
Repair Flow			2.	7331video output =2.5V
			3.	7701 video output > 35Vpp

check blanking 7501 pin3

Ok

1.Sympton :
(with white pattern)	check heater

check

Ok

check

check

R,G,B output

No 30<2722<80

no picture	= + 6.3V
green LED on

2.Sympton :

EHT=25KV

No

check Xray prot. 7501 pin25

check blanking 7501 pin3

Ok

VG1 < -150V

check VG2 > 450V

30<2723<80

30<2724<80

Ok

check DC restoration 7722,7732,7752

7721,7731,7751

no video (or dim),

only raster with/without retrace line green LED on

check Vg1 Vg1 = -30V

				check cathod
	No	turn down Vg2
				+83V,

		check 7331 pin22	Ok
		2V< ABL < 5V	Ok
		2V< ABL < 5V
		Ok
		check 7331
		Pin24 HFLB
		Ok
		replace 7331
	3. Sympton :	H.V.check 7331
	no OSD or	H.V.check 7331
	no OSD or
	OSD out of sync.

check 7331 pin 7,6,5 input swing

No

replace IF

cable

check 7701 pin 1, 2, 4 input swing

Ok

replace 7701

check 7701 pin 9,10,11

output swing

Image 74

Contents Service Auto Scan Colour Monitor ChassisV30Important Safety Notice Technical Data This monitor has 8 factory-preset modes as indicatedFront View Rear view Front controlOSD menu tree OSD TreeOSD Adjustments Language BrightnessZoom Adjust Shape Adjust Side Angles Reset to Factory Settings Extra Controls Adjust Moire OSD Adjustments , Troubleshooting DegaussLock/Unlock, Factory Mode, Burn In, Service Mode Wiring Diagram General CRT grouding wirel Video PanelMechanical Instructions Clip Pedestal assy ScrewMain panel with Bottom Tray Screw Video panel Main panelAre indicated by the symbol ESDPre warm-up ========== Electrical InstructionsGeneral point ========== Main chassis alignment ==================CRT Adjustment of Moir ================ Adjustment procedureFocus adjustment ============= Default settings ==============DDC Instructions GeneralThis is for initialize alignment box Configuration and procedureInstallation of EDID301.EXE Method 1 Start on DDC program Method 2 After create a shortcut of EDID301.EXERead DDC data from monitor Videocard PrinterportLTP1 DC Power ~12 Video cableModify DDC data verify Edid version, week, year Modify DDC data Monitor Serial NoSave DDC data Confirm Serial Number in User ModeWrite DDC data Exit DDC program DDC only was disabled as shown in FigLoad DDC data Hex Data of DDC2B PHL27X 28X 107T5 Video Function Block of V30 107T5Schematic Diagram of Main board Main PCB107T5 A. of Main board A. of Main board Schematic Diagram of Video board Video PCBA. of Video board A. of Video board Schematic Diagram of Control board Control PCBA. of Control board Exploded View Recommend Parts List Model V30 107T50/00Spare Parts List Model V30 107T50/00Audio Panel General Product Specification LOW Emission MPRII/TCO99/TCO95 optionalIndex 5903 General description Electrical characteristicsIntroduction 64.0 KHz 60Hz Vesa Factory preload modes Sync width 069 ms Sync polarity Total size 11.764 Display sizeDisplay size 11.093 Rear porch 222 us 578 ms Sync width 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 Display size 12.552 Rear porch 911 us 784 ms Sync width Total size 13.853 Display sizeTotal size 13.417 Display size 59012 Implosion protection By P-Mini-rim-band Power supplyVertical scanning Scanning frequency 50 160 Hz Shift range 25.0 1 KV Ib=0Display Light Output MVpp cross hatch Max Image size For preset modes only100% Max. Y. min Non-linearity = 100%For 6500 K 015 For SRGB = 0.313Sweden SwitzerlandBelgium Finland Norway200 Tilt and swivel base Tilt angleSets Layer Block Blocks / Container Total Sets Nsta Finland TaiwanPractice of Mtbf = NBR. of Failure SetsFIG-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 ABLCheck Check listRepair Flow Chart Check sync Eeprom Check idle status sda=pin32=hi scl=pin31=hiEwdrv Vblk Definitions InstallationLightFrame for Windows CompatibilityUninstall LightFrame for WindowsOperating LightFrame How to Deactivate LightFrameHow To Activate LightFrame Icon and ColorsUser clicks full First target selected Window restored LF suspendUser clicks off or full screen Screen button Full screenRemoval of SMDs Repair TipsGeneral cautions on handling and storage Attachment of SMDsTest current 25A,AC Test time Safety test requirementsTest 2820VDC 1700VDC Voltage 2000VAC 1200VAC Required =0.09+R ohm, R is the resistance of the mains cordOSD main General Troubleshooting GuideBuzzing sound when powering on Menu lockedNo DISPLAY, but LED is on Or LED is amberyellow YES ENDSettings Picture is too bright or darkPlug & Play is not Active normally Power management function is not active Buzzing sound when powering on No Power / LED is off Color has Irregularity YESPicture distortion is Not adjusted normally Press the OKPicture is not stable Need to change display size and adjust distortion Color Patterns visible On the screen Moire OSD Main Menu Locked It is need to check Environment problemVideo system Problem Repair the monitorMissing Color Color Purity Does degaussing resolve ?104 107T5 107T5 105 CustoMax Colorific USB 107T5 109