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Infinity Monitor Model: 14ED (W745114477 Chassis)No powerChecked and tested power supply section, all resistors and filter capacitor checked ok.Replaced IC802 and unit then powered up ok(Wiland Malapit - Philippines)

Likom Monitor Model: L503RDN (13MLB0004424 Chassis)Vertical problem, small picture, cannot adjust, sometimes rollingChecked vertical section and found resistor R527 (10ohms) located near ICU501 had gonehigh resistance, replacing resistor cleared the fault(Wiland Malapit - Philippines)

Kds Monitor Model: VS21E (Evoked 2100K Chassis)DeadI found following parts had failed: Q425, C4924 and R497 (10ohm, 1w), the horizontal outputtransistor was also short circuit, replaced with type BU2527(Imran Khan)

Dell Monitor Model: D-1728D-LS (FCC ID A3LCMG737)No displayI checked many parts in the Video driver area and found all was ok but IC MM1207 was foundto have failed(Imran Khan)

Sony Monitor Model: GDM2036SMonitor dead, green led comes on then fades out, EHT sometimes starts upRemove power supply (very easy on this monitor). I found C102, C109, C112 and C101 on subboard o/c plus C19, C8 and C9 on main pcb also o/c, all 105deg caps. This is a quality builtmonitor(Bernie)

Mag Monitor Model: DX1795Reduced width with failure to store settingsDry joints on the display mode relay RL501(Lacko)

Silicon Graphics Monitor Model: 340C (Panasonic PanaSync P70)No horizontal, single white line up centre of screenCheck fuse link J114 which feeds 220v to collector of Q881(Steve May)

Silicon Graphics Monitor Model: 340C (Panasonic PanaSync P70)Vertical line down centre of screen, no horizontal driveCheck for horizontal drive across C516 (3V p-p both sides) if not change C516 (1uF, 100v),C516 is the blocking cap before the horizontal driver mosFet, also check for bad solderedjoints(Steve May)

Belinea Monitor Model: 10 70 35 (Panasonic PanaSync P70)No horizontal, single white line up centre of screenCheck fuse link J114 which feeds 220v to collector of Q881(Steve May)

Belinea Monitor Model: 10 70 35 (Panasonic PanaSync P70)Vertical line down centre of screen, no horizontal drive

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2010-12-18 Monitor repair tips

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Check for horizontal drive across C516 (3V p-p both sides) if not change C516 (1uF, 100v),C516 is the blocking cap before the horizontal driver mosFet, also check for bad solderedjoints(Steve May)

Iiyama Monitor Model: Vision Master Pro 411 (A705MT Chassis)TrippingChange the secondary psu smoothing caps for the 12v, 28v and 80v supplies (2200uF, 25vcap blown apart), the board is also prone to dry joints(Steve May)

Tatung Monitor Model: 47/2000 (VT-1980 Chassis)No videoChange transistor C5521(Roberto)

Jean Monitor Model: JD144K (Ver 6.22 Chassis)No picture, power led blinking, ticking soundReplaced shorted HOT (BU2508DF). Resoldered dry joints on Q408 & Q412 pins(Mattiemutare)

Viewsonic Monitor Model: A75FDeadPCB board was cracked across 2 tracers cutting their path. Visible arc burn present. Occurredat position D1. I pulled PCB board out a little to see the crack and soldered the copper tracersto repair them(Anonymous)

Dell Monitor Model: EV700B (LA80 Chassis)White Raster with flyback lines at Power-up, after a while, the green LED starts toblinkResistor R972 open circuit, results in loss of 103V on CRT Board(Sharesolution)

Mag Monitor Model: DJ70EDead Set.Found Resistor R318 (220K) in the power section o/c(Anonymous)

Proview Monitor Model: PK-770 (770M)Reduced width and height with failure to store settings, display otherwise OK, frontpanel control functioning as normalDry joints on the display mode relay (on right-hand side of main PCB, about halfway down). Ihave had several of these monitors with the same problem(Ian - Brighton)

Packard Bell Monitor Model: A720Board PWB-0172-06 (Hyundai), Green Led flashing - Power supply pumping. NopictureReplace 2SC5386 Q433 on large heatsink near FBT. Transistor has been replaced withBU2525AF(Yves)

Packard Bell Monitor Model: 1412SLShuts down after 15mins with picture shrinking and dancingProblem caused by leaky transistor Q212 (C458 npn uni)(Guruji)

Packard Bell Monitor Model: 1412SLOut of focus pictureThe problem was the FBT part # TFB-239T(Guruji)

Samsung Monitor Model: Syncmaster 750S (DP17LS Chassis)C508 (2.2uF, 250V) burstThe voltage on C508 appeared around +450V (correct voltage must be +210V), Check C506(10nF) it was found to be leaky(Raymundo)

Lg Monitor Model: FB775C-EADeadQ706 short(Robin)

Viewsonic Monitor Model: VCDTS2183-1P (E-40 Chassis)No power, no LED blinksFound short circuit HOT and also found bad high volt PF in horizontal area, Replaced withBU2508DF fixed the problem



(Imran Khan)

Acer Monitor Model: 7276CNo video, no power upTransistor IRF630 was short(Anonymous)

Compaq Monitor Model: MV400Blown mains fuseReplace 4 amp fuse and degauss posistor - I have had about twenty similar repairs on thismodel(Tony Hamilton)

Gateway Monitor Model: EV700DeadI have found that 9 out of 10 times, the LOPT is dud(Anonymous)

Nec Monitor Model: Multisync 75No HV, goes into shutdownHave replaced the HOT transistor C5521 which burnt out again. I found the problem was oneof the 1600v caps in the yoke circuit that had changed value, Now have to find a .0075, 1600vcap(Imran Khan)

Ntc Alpha scan Monitor Model: KM-411 (C-411 Chassis)Power OK but no display at allCheck for possible o/c fuse / resistor in the high voltage area(Ian - Philippines)

Compaq Monitor Model: MV740Dead with standby led operating normallyR925 (1Mohm, 0.5W) was o/c(Sami)

Samtron Monitor Model: 4BNINo display and power on indication appears a few second and then disappears.SMPS filter capacitor does not discharge at allSuspect the flyback transformer (K. Vatcharavelu)

Dell Monitor Model: D1626HT (SCC-L04KA Chassis)Cold picture jumps verticallyVertical deflection IC(Christopher)

Hp Monitor Model: Pavilion M70Display is dark but sometimes comes up to the right brightness, or brightnesschanges erratically with a relatively slow transition from bright to dark or vice versaCRT socket has a bad solder joint at the heater pins. Resolder and have a nice day----anyone know what causes tiny slightly curved HORz ripples at random points on the screenwith this model ?(Offset)

Compaq Monitor Model: V70Width can not be increasedChanged all PF (capacitors) near horizontal section(Anonymous)

Daewoo Monitor Model: 710BNTop half of frame scan folded to bright lineDiode D105 was burnt out, this was found to have been caused by capacitor C105 (100uF,16v) which measured dead short(Brian)

Compaq Monitor Model: V45Very blurry displayThis was due to a faulty flyback(Anonymous)

Brother / Aoc Monitor Model: Spectrum 7GLRDead, no powerThere was no voltage at pin 7 of IC901, traced back to R906 ( 1M ohm 1/2W ) which was opencircuit, replaced R906 and unit back to normal(Vitus Luk)

Compaq Monitor Model: V500No Power



Replaced D630(Prasad)

Iiyama Monitor Model: Vision Master 17 (8617E Chassis)Horizontal dark line across screen shadowing text or other complex display data -giving appearance of 3D grooves or just dark lines on light background - temp fix(few minutes) by banging monitor or jiggling the video cable (thats what threw mefor a while)Removed tube base board and ran over disc capacitors and other solder joints whether theylooked dry or not. No re-occurence in 2 weeks of daily use. Seems to have fixed it. (Beprepared for a lot of metalwork and screw removal when opening one of these up - I stillhavn't figured out how to get the PSU/main board out of one !)(John)

Iiyama Monitor Model: Vision Master 410 (400 Series Chassis)Set wants to start up, EHT can be heard to screen but then monitor shuts down, allsecondary voltage are present for a short time but decay fastChange all the electrolytic caps in the primary power supply especially the 10uF, 100velectrolytics(Steve May)

Malays ia Monitor Model: Titan TE555No rasterCheck C5296(Anonymous)

Sun / Sony Monitor Model: GDM20SE20 (N2H Chassis)Bright raster with flyback lines and reduced width, trips after 5 secondsReplace the video drive ic on the a pcb located on the rear of the chassis around the crtneck, IC420 type CXA1907S, part no: 875207156.http://groups.yahoo.com/group/TVmonitor_schematic_tips/(Imran Khan)

Ctx Monitor Model: PL9Pincushion problem. Q401 may be shorted. Makes squealing noiseC334 (100uF, 250V) Failed, located at front left side of board just in back of Q311(Gene)

Hansol Monitor Model: E14BL (MAZELLAN 401A)Dark (but visible) display with pronounced ripple, accompanied by buzzing from thechopper transformer. Buzzing also present (but quieter) in standbyC105, the main smoothing electrolytic on the mains input side was completely open circuit. Itsvalue is 220uF, 400V(Ian - Brighton)

Sylvania Monitor Model: F96No green, good blue and redThe crt board had cold solder joints(Anonymous)

Ast Monitor Model: VISION 7LBlows horizontal output transistor intermittently L403 (4uH) defective, also check C446 and C451 both 10uF(Anonymous)

Iiyama Monitor Model: VISIONMASTER 400 Powers up but goes dead when video signal applied. If powered with signalattached comes on then tripsReplace ALL the low value electrolytic capacitors in the primary side of the power supply eventhough they measure OK. Also check the capacitors on the secondaries especially thevoltage rail that feeds the feedabck circuit for the power supply(Arokh)

Samsung Monitor Model: Syncmaster 753S (ANNN17LS7L/EDC Chassis)No powerI discovered IC601 (DP704C) had exploded, Equivalent for this IC is 6S0765RC(Anonymous)

Philips Monitor Model: 2551DeadThe BUT11AF was found to be faulty(Ajesh)

Philips Monitor Model: 201B10Loss of horizontal sync at change of resolutionsChange capacitor 2431 (150nF, 63V)(Anonymous)



Panasonic Monitor Model: TX-D2151W (ACJ93312118 Chassis)No power, no LED blinkReplaced the STRS6533 in the power supply(Imran Khan)

Pc View Monitor Model: 1512Dead, fuse ok, led blinkingMosfet (IRF630A), capacitor (150uF, 400V) and burnt up resistor R720 (9.4k)(Imer)

Philips Monitor Model: 105SFuse blown, not functioningReplaced 3.15A AS fuse. Conclusion, fuses suffer from metal fatigue and fail without a seriousfault being present. Constant inrush currents of 10A and degauss of similar level at switch oncause this progressive failure mode. Fuse is hard wired(Mike - UK)

Hansol Monitor Model: 710A (Also Belinea 103055 Chassis)Tripping, occasionally worksDry joint on LOPT, the connection to the line OP transistor. The worst part of this job isgetting the beast apart, still the thing only cost £1 from auction and now has a great 17 inchpicture!(Bob Meade, Brandon, Suffolk)

Siemens Nixdorf Monitor Model: MCM1405Blew fuse, 2.5A A/SD901 in bridge rectifer short. Replaced all doides in bridge with 1N4007. No other problems justa faulty diode(Mike)

Nokia Monitor Model: 447XPicture disappears after 10-30 minutes of use, may reappear if monitor tappedDry dry solder joints on the video card(Anonymous)

Topcon Monitor Model: AM1782 (MT7A73029086 Chassis)At power up there is a Black screen onlyI checked the circuit and found that the PWM IC, KA3842B C826C (8 DIP) had failed, everythingelse appeared ok(Caleb)

Viewsonic Monitor Model: E-40 Digital 14"Int loss of displayThere were dry solder joints around the power output area.http://groups.yahoo.com/group/TVmonitor_schematic_tips/(Imran)

Aoc Monitor Model: CM336Dead with PSU tripping. The chopper transistor and PSU transformer were gettingquite hotD920 (PSU secondary HT rectifier) was s/c. Replacement provided the fix(Tom Crane)

Aoc Monitor Model: CM336Intermittent loud whistling made for a very irritating faultVarnishing the windings of horizontal linearity choke L804 cured the fault(Tom Crane)

Aoc Monitor Model: CM336Bad horizontal linearity with picture bowed out at the centre but only on the higherres. screen modesC8105 (0.84uF, 250V) had gone low in value. Replacement provided the cure(Tom Crane)

Sun / Sony Monitor Model: GDM20SE20 / GDM-20SE2T5 (N2H Chassis)Bright raster with flyback lines and reduced width, trips after 5 secondsReplace the video drive ic on the a pcb located on the rear of the chassis around the crtneck, IC420 type CXA1907S, part no: 875207156(Paul)

Ibm Monitor Model: 6546-01NStarts up OK from cold, but will not start when warmChange C613 (47uF, 25V) Tant. and C602 (220uF, 400V)(Simon)

Fujitsu / Siemens LCD Monitor Model: CTM5010VGA plug had been cut off at the PC during a burglary leaving no means of pinoutsID. Here is the correct configuration



Pin | Colour | Name | VGA Plug Pin No.1 Purple SCL 152 Grey SDA 123 Black GND 54 Orange SGND 105 Yellow VSYNC 146 White HSYNC 137 Black RGND 68 Pink RED 19 Black GGND 710 Grey GREEN 211 Black BGND 812 Blue BLUE 3(Simon)

Philips Monitor Model: 3CM9609DeadCheck R3121 (270Kohms, 1w, high voltage type) for open circuit which is located in theseparate side mounted p.s.u(Josh)

Dell Monitor Model: 1028Picture too wide / no trapezium / no controls of said functionsChange the fast acting diode D405 near the emitter circuit of the lopt transitor. This stealssome of the flyback to feed a supply to the width circuitry(Steve may)

Iiyama Monitor Model: Vision Master (400/410 Chassis)Picture comes on then moves quickly up off screen (vertical fault)Change the vertical driver ic C1884CT (not the vertical output ic)(Steve may)

HP Monitor Model: Pavilion M70Excessive width and no e-w correctionModulator / damper diode (DMV32) had failed, these are available from Charles Hyde(Thunderdunc)

Mag Monitor Model: DX15TExcessive Width / Pincushioning ProblemsCheck transistor Q203 (TIP127 - PNP Power Darlington Transistor). Check especially ifCollector is internally short-circuited with Emitter. If so, replace it(Francisco)

Digital Monitor Model: VRCX1-W3No light, no HTReplaced two fast switching diodes (R4KL)(Henk)

Mag Monitor Model: DX15TDead, very low click - click sound heard from the chassisCheck Q105 if horizontal output transistor 2SC5129 and/or D104 fast soft recovery diodeBD329-1200 are damaged (internal short circuit). If so, replace them(Francisco)

Dell Monitor Model: E551Dead, yellow led flashing.This monitor, only a couple of years old had been got at, a good fuse silver papered, atemper crack on the cabinet rear! It turned out the Chopper FET was shorted all ways & R618o/c these were replaced & a good picture was the result(Bob Meade, Suffolk.)

Tce Monitor Model: M440Não funciona e queima o Transistor de saída horizontalSubstituir o Capacitor Eletrolitico C430 (47uF, 250V)(José Antonio Rodrigues)

Acer Monitor Model: 7254E (15 inch)Int loss of display, Power supply stable, all other sections are working properlyReplaced one 221, 2kV capacitor in the line output transformer section(Rejeesh v p)

HP M50 Monitor Model: D5258ANo display, ticking noise, green led is litFound Q402 Horizontal drive transistor (C3332) had failed, replaced with C3198, you canreplace it with 2SC3198 or radio shack 276-2009 with care for the legs(Mark Hanoun)

Viewsonic Monitor Model: P815-1MDead / int



Bad solder on D855 located in power supply. You have to be sure to solder both the foil sideand the component side of the board on the diode(Mike Wilson)

Compaq Monitor Model: 315UPicture too wideC434 (0.0047, 1.6Kv) located near fly(Mike Wilson)

Dell Monitor Model: D1025HTDim picture, looks like bad CRTThis is a common fault in this model and IC VPS12 is the main problem(Imran Khan)

Dell Monitor Model: M781P (CM2317 Chassis)No picture, chirping noise, green light flashesReplace MTP6N60 near flyback on large heatsink(Wendell)

Aoc Monitor Model: AOC (FCC ID: ARSCM3500 Chassis)On switch on power LED flashing amber/orange, No Start up, but power available atmain res capacitor C907Check R904 for o/c (0.22Ohms), Q901 MOSFET (FS10UM) also shorted at all junctions. UseEquivalent IFR630 if RequiredSAFETY NOTE: please ensure you discharge the mains reservoir capacitor before working inthe area it will still have 300+ voltage charged. Use 10M Resistor on insulated crocodile clipsand place on capacitor terminals. Ensure you remember to disconnect the resistor beforeswitching on !(Leon Guthrie - Electronics Technician), Borders college. Scotland)

Belinea Monitor Model: 10-40-10 (MPR II Chassis)Green power LED flashing, no picture, flashing diminishes slowly after swithing off330v ok at main reservoir capacitor C105 (150uF, 400v), Check diode D057 (UF3004) or useUF5408 as replacement. This brought back the screen but was reduced in width. Q001 wasalso faulty (F630), replaced with IRF630 this cured the fault(Leon Guthrie, electronics tech - Borders college. Scotland)

Samsung Monitor Model: 551SNo power, fuse ok, noise from unitReplace D606 and IC601 and it should be ok(Maneco)

Hyundai Monitor Model: V580 (C15R08050 Chassis)No powerCheck the KA3843B for failure(Anonymous)

Compaq Monitor Model: MV540Dead with standby led going from green to orange as normal with no video inputThe main PSU was dead but the standby psu was ok, R928 (620k) in the main PSU shutdowncircuit was open circuit, its fed from the mains smoothing cap(Owen O Reilly)

View sonic Monitor Model: E40LED blinking and no displayQ801 was short circuit and IC801 had failed, after replacing both the short was removed butthe value of resistor R812 (.24 ohms) was incorrect, replacing resolved the fault(Mohammad Akram)

Hp m50 Monitor Model: D5258A (520X Chassis)No raster or panel light, ticking noise1.) Found Q502 Horizontal Output transistor had failed, Original part C5129, replaced it withtype NTE23652.) Diode D509 had failed, Replaced3.) Transistor Q104 was bad, Original part A1273. Replaced it with NTE124.) Q506 Mosfet transistor had failed, Original part IRF740. Replaced it with the same(Anonymous)

Ctx Monitor Model: PR711FBANG! followed by smoke, still operating after failure (promptly removed AC mainpower)Replace C137, a 47uF 250v radial capacitor, was visibly blown(Anonymous)

Gateway Monitor Model: EV900 (X19001)Components VR501 (22K) and R573 (68k) in the ABL circuit burn out.This is caused by the Flyback Transformer FEA-658. The transformer is available from NikkoElectronics @ £30 +VAT



(Ray)

Apple Monitor Model: M9101Z/CDeadCheck R3121 (270Kohms, 1w, high voltage type) for open circuit which is located in theseperate side mounted p.s.u(Josh)

Sony Monitor Model: GDM20SE2T5Dark picture and jagged edges on both sides of the pictureReplace IC 007 on video board CXA1908S and replace all caps in the power supply (MUST do,all have high esr) Part can be ordered from www.powercomponents.nl, 1/3 of sony's price.Also check caps on other boards and cracks around the flyback(Bart Bervoets)

Viewsonic Monitor VP181 Model: VLCDS21544-1MBack light bulbs not workingRepaired inverter board(Anonymous)

Sony Monitor Model: PVM1444QMTop of picture is flippedChange Q547 in the vertical circuit(Francois)

Compaq Monitor Model: 15FSShadow of one of the colour guns across screen (brighter on right)Small electros (22uF) on neck board(Anonymous)

Kenitec Monitor Model: PX-14SWhen cold picture jumps verticallyVertical deflection IC (TDA1675) is temperature sensitive(Jeroni Paul)

Ctx Monitor Model: VL700 (1795VL)Power led on, EHT rustles up normally but no displayChecks around the tube base panel revealed that the 6V3 heater supply was reading around 1volt. Replacing C125 (1000µF, 16V) which was leaky cured the fault(Simon)

Essex Monitor Model: PV-7721MDead, 3A fuse blownCheck C510 & C511 (both 220µF 250V) for bulging can tops. If either is damaged, change bothcaps. Also IC501 (STR81145) will almost certainly be damaged and need replacing(Simon)

Mag Monitor Model: Innovision 570VPoor horizontal linearity, display cramped at both sidesCheck relay RL601 for dry joints and poor internal switch contacts. Replace relay with RS 198-6905 if required(Simon)

Ctx Monitor Model: 1569SE (Badged DAN)Completely dead, no led litD407 (HER303) was short circuit, replaced with similar HER305. Also short circuit was PowerFET Q401 (FS12UM-5), this is a 250V 12A device and proved difficult to obtain. Replaced withIRF644 (250V 14A). The monitor was now restored to normal working(Simon)

Belinea Monitor Model: 10 40 10No display, green power led flashes, flashing slowly diminishes when poweringdownD152 (UF1007) on secondary side of chopper transformer was short circuit. Replacing with aBA159 cured the fault(Simon)

Belinea Monitor Model: 10 20 10Dead, power LED flashing and ticking noiseQ422 (2SC5297) Line Output Transistor was dead short. A replacement restored normalworking(Simon)

Aoc Monitor Model: Spectrum 5ELRDisplay wobbles, hissing noise from PSU chopper transformerReplacing C907 (220µF 400V) cured the fault(Simon)



Kds Monitor Model: VS-7EDead setReplaced Q412 type BU2520DF(BenRose)

Quantex Monitor Model: XP170STripping - off/on switch ind led flashingReplace Q712 (IRF630)-leaky all round(Anonymous)

Compaq 17" Monitor Model: V70Image width / height increases / decreasesReplaced C851 (47uF, 250V)(Alex Veltmans)

Tiny Monitor Model: A1770Raster too wide, will not adjust and appears bowedQ423 and R411 replaced(Geoff)

Gateway Monitor Model: CPD-GF100Field foldover on bottom of screenCheck capacitor C653 (470uF, 25v)(Geoff)

Dell Monitor Model: D1025HEDead. No HT on Line output TransistorChange R414 (220k) in the collector feed to TR404(Susy Brown)

Sony Monitor Model: CPD-15SF1Monitor shuts down just after pressing the power pushbutton, and the power onLED(green) and power save LED (yellow) both flashThe monitor started normally when pushing the power button twice. After troubleshootingfound (Q001) spotkiller transistor was the reason, after replacement all was O.K(Saudalhinai)

Apple Mac Monitor using a Radius Card in a 20 inch monitorUnable to set ResolutionSwitch off Hold down 'T' button then switch on(Roger - STS)

Apple Monitor Model: 1710 (Sony Chassis)No start or starting erraticallyIn the psu area Change the PTC (Burklin ref in Germany) and it's supply resistor(Disco)

Gateway Monitor Model: EV 700A (LG CA-65 Chassis)This monitor which appears under many guises (LG CB775N, Studioworks 775 etc.)had very low width and severe E/W distortion. On screen H.size adjustment had noeffectReplaced R736 (100K, 0.25W) which was O/C(John @ WTVV)

CTX Monitor Model: VL700 (1769E)DeadHad nearly given up on this one till I got cct. for CTX1569! Original fault Q415 s/c and R474burnt, no obvious shorts and replacements going same way shortly after switch on. Causeturned out to be C440 (10nF, 1kV) smoothing cap for G2 voltage leaky (reading 11K) alsoQ415 (BF488, used BF423 ok), R474 (33k, 0.5W), Same parts in CTX1569 are Q721, R761 andC733Note there are different versions of this chassis depending on CRT and scan coil assemblytype, one I had uses LG CRT and scan coil assembly and had board revision 11S31-069AREV: AS(Kenny Cargill)

Philips Monitor Model: 7CM5279/00TWhite raster with flyback lines on screenThis was due to low collector voltage on the video output transistors, replaced R3570(0.68ohm)(Anonymous)

JVC Monitor Model: TM1010PVertical scan collapse / horizontal black barsReplace C416 with higher temp rating - goes low value due to proximity with v-drive heatsink(Martin)

Elonex Monitors



A common fault on these monitors is flickering lines about an inch or two from thebottom of the screenThe solution to this is very simple. The heat produced by the frame I.Cs heatsink destroysC313. Replace this on the underside of the pcb along with R308 (2.2ohms) which will also beopen circuit(Peter. E)

Proview Monitor Model: 998M (PX-995 chassis)Power Supply defective. Black lines on screenThe UC3842AN (KA3842B) was defective

After assembling there was no pictureBad solder connections were found on the CRT board (No Heater voltage)(Winter)

Hyundai Monitor Model: S450 (CKLS450 chass is)Adjustment for v-size is limited. Vertical Raster is big. Other parameters are normalFlash dead(Roman)

KFC / Smile Monitor Model CK1450 / CK1420DeadReplace R531 (560k)(Duncan Newell)

CTX 1765S MonitorOver-bright display, with the brightness control having no effect.R218, 390K, in the brightness circuit had gone o/c(John Coles)

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