Dell D1025TM Manual de servicio

— 1 —D1025TMSPECIFICATIONSD-1HPicture tubeVideo image areaLogical resolutionPhysical resolutionStandard image areaInput signalVideoSync0.25 mm apertur

— 10 —D1025TM2-3. D and A BOARD REMOVAL2-1. CABINET REMOVAL 2-2. SERVICE POSITIONSECTION 2DISASSEMBLY123A boardD

— 11 —D1025TM2-4. PICTURE TUBE REMOVAL Turn up one side of the rubber cap inthe direction indicated by arrow . When one side of the rubber cap sepa-

— 12 —D1025TMb) HV Hold-Down Check1) Using an external DC Power supply, apply thevoltage shown below between cathode of D517on "D" Board an

— 13 —D1025TM Convergence Fine Adjustment Set DY four-pole magnet to mechanical center before adjustment. This should be prime mode.1.

— 14 —D1025TM2121GGRB3. Receive White cross-hatch.4. Adjust HMC and VMC at six-pole magnet. Six-Pole Magnet5. Receive R.B. cross-hatch.6.

— 17 —D1025TM5-2. CIRCUIT BOARDS LOCATIONNote:• All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except f

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— 2 —D1025TMPOWER SAVING FUNCTIONThis monitor has three Power Saving modes.By sensing the absence of a video signal from thecomputer, it reduces power

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GDS1234567881234567RB441QT-77RD4.7ESRD5.1ESRD5.6ES-B2RD8.2ES-B2RD10ES-B2RD12ES-B2RD18ES-BSRD27ES-B21SS119-25TD5-4. SEMICONDUCTORSEGP10DEGP20GPKG23ELI

— 29 —REF.NO. PART NO. DESCRIPTION REMARKREF.NO. PART NO. DESCRIPTION REMARKD1025TMSECTION 6EXPLODED VIEWSNote:The

— 30 —REF.NO. PART NO. DESCRIPTION REMARK REF.NO. PART NO. DESCRIPTION REMARKD1025TM51 3-861-661-21 MANUAL, INSTRU

— 31 —REF.NO. PART NO. DESCRIPTION REMARKREF.NO. PART NO. DESCRIPTION REMARKD1025TMSECTION 7ELECTRICAL PARTS LIST

— 32 —REF.NO. PART NO. DESCRIPTION REMARK REF.NO. PART NO. DESCRIPTION REMARKD1025TMALes composants identifies per

— 33 —REF.NO. PART NO. DESCRIPTION REMARKREF.NO. PART NO. DESCRIPTION REMARKD1025TMLes composants identifies per u

— 34 —REF.NO. PART NO. DESCRIPTION REMARK REF.NO. PART NO. DESCRIPTION REMARKD1025TMDLes composants identifies per

— 35 —REF.NO. PART NO. DESCRIPTION REMARKREF.NO. PART NO. DESCRIPTION REMARKD1025TMDLes composants identifies per

— 36 —REF.NO. PART NO. DESCRIPTION REMARK REF.NO. PART NO. DESCRIPTION REMARKD1025TMDLes composants identifies per

— 3 —D1025TM1.5 kΩ0.15 µFACVoltmeter(0.75 V)To Exposed MetalParts on SetEarth GroundSAFETY CHECK-OUT After correcting the original service prob

— 37 —REF.NO. PART NO. DESCRIPTION REMARKREF.NO. PART NO. DESCRIPTION REMARKD1025TMDLes composants identifies per

— 38 —REF.NO. PART NO. DESCRIPTION REMARK REF.NO. PART NO. DESCRIPTION REMARKD1025TMDLes composants identifies per

— 39 —REF.NO. PART NO. DESCRIPTION REMARKREF.NO. PART NO. DESCRIPTION REMARKD1025TMD[Note:The components identifie

— 40 —REF.NO. PART NO. DESCRIPTION REMARK REF.NO. PART NO. DESCRIPTION REMARKD1025TMEnglish 98AJ74023-1 P

— 4 —D1025TMTABLE OF CONTENTSSection Title Page1. GENERAL .

— 5 —D1025TMSECTION 1GENERALThe instructions given here are partial abstracts from the Operating Instruction Manual. The page numbers shown reflect t

— 6 —D1025TM6MENUEXITCENTERSIZEGEOMCOLORLANGZOOMSCREENOPTIONOKMENUENGLISHFRANÇAISDEUTSCHESPAÑOLLANGUAGESIZE2673CENTER2673ZOOM73V66HROTATIONGEOMETRY269

— 7 —D1025TM84 Using the ZOOM OSDYou can enlarge or reduce the picture size using the ZOOMOSD.This setting is stored in memory for the current input s

— 8 —D1025TM10Customizing Your MonitornnnGraphic Enhancement Mode(GEM)You can automatically change the characteristics of the pictureto match the way

— 9 —D1025TM13Getting StartedSymptom Check these itemsYou cannot adjust the monitorwith the buttons on the frontpanelScreen image is not centered orsi