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Electrohome ECP 4100 Series, Руководство по обслуживанию

Элегантный сервис-мануал серии Electrohome ECP 4100, доступен для загрузки бесплатно на manualshive.com. Получите подробные инструкции по обслуживанию и ремонту вашего устройства, чтобы продлить его срок службы. Не упустите возможность улучшить производительность вашего продукта с помощью этого руководства.

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Содержание ECP 4100 Series

Страница 1: ...ANUAL DUE T O CONSTANT RESEARCH THE INFORMATION IN THIS MANU AL IS SUBJ ECTTO CHANGEWITHOUTNOTIC E ECP is a registeredtrademarkof ElectrohomeLimited g Copyright 1990by ElectrohomeLimited All rights raservad Printed in Canada 54 7904 03P 06 90 ...

Страница 2: ...NT FIRE ORELECTRICAL SHOCK DONOT EXPOSE THISEQUIPMENT TORAIN ORMOISTURE DONOTUSE THEPOWER CORD WITH EXTENSION COROS RECEPTACLES OROTHER OUTLETS WHICH DONOT HAVE AGROUND CONNECTION WARNING WARNING WARNING WARNING CAUTION CAUTION CAUTION CAUTION CAUTION CAUTION TO MAINTAIN FCCAND DOC REQUIREMENTS USETHE38 8006 15 71 CABLEFOR15 KHZTO 36 KHZSIGNALS TO MAINTA N FCCAND DOC REQUIREMENTS USETHE 38 800632 ...

Страница 3: ...NC10PINlnputModule RemoteControlModule WaveformModule Convergence Module VideoControlModule BiasModule Horizontal Deflection Module Vertical Deflection Horizontal Regulation Module KeystoneModule PowerDeflection Module VideoOutputModule RemoteJackAssembly FanFilterAssembly Motherboard Assembly ACON Automatic Convergence Option ComputerCommunication Reverse Scanlnstallation Harness Wiring Diagram T...

Страница 4: ...ome Limited SECTION1 INTRODUCTION TABLE OFCONTENTS Section page 1 1 Scope 1_1 1 2 R e f e r e n c e s 1 _ 1 1 3 SystemDescription 1 1 LISTOF ILLUSTRATIONS Figure page 1 1 TheECP4100Series Projector 1_1 LISTOFTABLES No tablesare includedin thissection lntroduction GENERAL SERVICING ...

Страница 5: ...jector Features of the projectorinclude automaticsynchronization to a varietyof video input sourcesin the frequencyrangeof 15 KHzto 80 KHz horizontal and 45 Hz to 120Hz veftical focusingon flat curuedor rearscreens withallowable projector to screen distances from72inches to 30feet 1 83to 9 14m projectorcontrolof a widerangeof software functions from eithera built in wiredremoteor infrared remote k...

Страница 6: ...ome Limited SECTION 2 SYSTEMSPECIFICATIONS ECP4100SeriesProjection System TABLEOFCONTENTS Section page 2 1 Specifications 2 1 LISTOF ILLUSTRATIONS Figure page 2 1 ECP4100SeriesProjector Dimensions 2 1 LISTOF TABLES No tablesare includedin this section System Specifications GENERAL SERVICING ...

Страница 7: ...u a l o H o r i z o n t a S c a n r M o d e l X X B O 9 9 8 O X X term inate d o Power On o Automatically switches to separate sync or sync Ready o n g r e e n Error o VerticalScan o Vertrcal Hold Manual Fail Fai I High Vottage 34 0 kV regulaied to better than t 1 90 VAC to 132 VAC can be externailv reconnectedfoll80 VAC to 264VAC Linefr equency50 to 60 Hz nominal Power450 w atts maximum Storaga T...

Страница 8: ...mited SECTION 3 THEORY OF OPERATION TABLE OF CONTENTS Section page 3 1 Optical 3 1 3 2 Mechanical 3 1 3 3 Electronic 3 1 LISTOF ILLUSTRATIONS Figure page 3 1 ECP4100SeriesProjector FunctionBlockDiagram g 3 LISTOF TABLES No tablesare includedin thissection Theory of Operation GENERAL SERVICING ...

Страница 9: ...Supply SMPS c HighVoltagePowerSupply d Bias 54 7904 03P 06 90 O C op y rig ht1 990b y Electrohome Limited GENERAL SERVTCTNG3 1 Theory of Operation PowerEntryModule PEM The PowerEntryModule PEM accepts 120V or 24OVAC input power for distribution to theprojector powersupplies 4120V 240V switchon the Power EntryModuleis set to the input voltagein use Low VoltageSwitchMode PowerSupply SMPS The LowVolt...

Страница 10: ...t Vertical Deflection Horizontal Reoulation Module This moduleusesa vefticalprocessorto derivethe vertical drivepulsefor use by the PowerDeflection modules The horizontalregulator or buck convertor supplies powerto the horizontal deflection circuits TheVerticalDeflection Horizontal Regulation module also containsverticalauto lockcircuitsand an EHT lNHlBlTcircuit Power DeflectionModule Vertical and...

Страница 11: ...n 3 3 Z c E t s z O O O H d N l 0 a t a U J U O U O r f u d u F f t J j z 6 U O O d FIGURE3 1 ECP41N Sen esProjxtor FunctionBlock Diagram s4 7904 03P 06 90 O C opy r ig ht19 90b y Electrohome Limited Theory of Operation GENERAL SERVICING ...

Страница 12: ...ON 4 SERVICING GUIDELINES Page 4 1 4 2 4 3 LISTOF ILLUSTRATIONS Figure 4 1 CautionLabel 4 2 AlertL abel 4 3 A C LeakageTest 4 4 ComponentRemoval Page 4 1 4 1 4 2 4 2 LISTOF TABLES No tablesare included in thissection ServicingGuidelines GENERAL SERVICING 54 7904 OzP I 54 7904 A3P 06 90 O C o p y r i g h t 1 9 9 0b y E l e c t r o h o m e L i m i t e d ...

Страница 13: ...RSERVICING TO OUALIFIED SERVICE PERSONNEL 4_B fIJ 4_QLP FIGURE4 1 Cautionl abeul 54 7904 02P 54 7904 03P 06 90 O Co py righ t19 90by Electrohome Limited 4 1 4CRTHandling Eachpicturetube encloses a highvacuum WARNING Bumpingor scratchinga picturetube maycauseit to implode resultingin personal injury and property damage Wear shatter proof goggles while handling a CRTor installingit in the projector ...

Страница 14: ...n of the line cord using a suitableadaptor DO NOT use a line isolation transformer b Connecta 1500n 10 watt resistor in parallel with a 150nF ACcapacitor between a knowngoodearthground and eachexposedmetallic part one at a time Withan AC voltmeter havinga minimumsensitivity of 1000n V measure the voltageacrossthe 1500n resistor See Figure4 3 The rms voltage measuredMUST NOT ServicingGuidelines 4 2...

Страница 15: ...swhile the projector is operating Clean dirtylenses usinga softlenstissuemoistened with a non abrasive lenscleaner Gently wipethelensusing OO NOT operatepower transistorswith heat sinks a circularmotion removeo DO NOT overloadtransistors or los Makesurethe proiectoris disconnected lrom its AC power source before testing removing or installing transistors or lCs DO NOT operatethe projectorwith part...

Страница 16: ...anelRemoval 5 6 FrontSlide out RackAccess 5 7 LowerCaseRemoval 5 8 CardRackModules 5 9 BackPanelRemoval 5 10 CardRackModuleRemoval 5 11 KeypadRemoval 5 12 StandbyPowerTransformer Removal 5 13 LineFilterRemoval 5 14 LensRemoval 5 15 CRTRemoval A 5 16 CRTRemoval B LISTOF TABLES No tablesincluded in thissection 5 1 5 2 5 2 5 3 5 3 5 3 5 4 5 4 5 5 5 5 5 6 5 7 5 B 5 9 5 11 5 1 1 s4 7 904 02P 54 7904 03...

Страница 17: ...utand Disassembly FrontSlide out Rack TheFrontSlide out Rackisa wire framemodulerackwhich can be temporarily slidaway from the front projectorbasefor moduleservicing The rackisaccessible by removing the projecto slowerfront panel Modules contained withinthisrackinclude HighVoltage PowerSupply LowVoltageSwitchModePowerSupply SMPS PowerEntryModule FanFilter Assembly StandbyPowerTransformer LineFilte...

Страница 18: ...ineFilterRemoval 5 2 10 LensRemoval 5 2 11 CRTRemoval 5 2 12 Lens CRT Assembly Installation 5 2 13 CRTDeflection Assembly Replacement 5 2 14 Tools EquipmentRequired 1 4 hexheadsocketdriver Phillips screwdriver WARNING IMPORTANT NOTES 1 READ SECTTON 4 SERV CINGGUIDELTNES P R I O R T O T H E D I S A S S E M B L Y O R REPLACEMENT OF ANY MODULE OR COMPONENT 2l REMOVEALL POWER TO THE PROJECTOR P R I O ...

Страница 19: ...on 5 2 3 b Removethe 3 hex head screwssecuringthe front panelto the projector frarneas shownin Figure5 5 Pull thefrontpaneldown andawayfromthe projectorbody Accessthe Frontrack modulesas foll_ows c Thefrontrackis positioned behindthefrontpaneland securedby two hexheadscrewsto the projector frame Removethe screwsas shownin Figure5 6 d Noticehcw the front rackframerestswithinguides locatedon each si...

Страница 20: ...rontslide out rackfrom the projector b Removethe 16 Phillipshead screws securingthe lowercaseto the chassis SeeFigure5 7 c Lowerthe caseawayfrom the chassis FfGURE 5 7 Lower Case Remowl STATIC SENSITIVE COMPONENTS PRTNTED CIRCUITBOARDREMOVALOR REPAIRMUST BE PERFORMED AT A STATICCONTROLLED WORK STATION a Remove the fronttop cover Seesection5 2 1 b Removethe printedcircuitboardextractorfrom the tool...

Страница 21: ...saholelocated in extractorinto one ot the holesof the moduleto be itsoutertopand orbottomcorners Remove theprinted removed Refer to Figure5 10 circuit board extractorfrom the tool Douchlocated beneath thefronttop cover Insertthehookofthe f Pullthemoduleoutofthe projector l FIGURE5 10 Card RackMdule Removal 54 7904 02Pl54 7904 03P 06 90 O C opy r rgh t19 90b y Electrohome Limited HardwareLavoutand ...

Страница 22: ...2 f Remove the keypadassembly fromthe projectorbody g lf the keypadsidebracketsmustalso be removedfor easein accessibility to othermodules remove the2 side bracketmountingscrews item3 NOTE ltem 3 In Flgure 5 11 does not requlre removal lf only the keypad ls to be removed c Attachthe keypadholderto the sidebrackets Usethe screwsremovedin step d above NOTE Adjust the angleof the keypadsuch that it w...

Страница 23: ...de item2 in diagram Feedthetransformer assembly out thefrontrackout persection5 2 4 throughthebottomof therack b UnplugconnectorM18 PS from the PowerEntry d Removelhe two hex head screwssecuringthe module as shownin Figure5 12below transformer to the brackel F R O N T a S L D F_ 0 O C S T A N D B YP O W E RT R A N S F O R M I R I FIGURE 5 12 StandbyPowerTransformer Removal 54 7904 02PI 54 79O4 O3P...

Страница 24: ...or frontandsidepanels andslide grounding point thefrontrackout oersection5 2 4 d Remove the two hex headscrews item3 below b UnplugconnectorM18 P4from the PowerEntry whichsecurethe linefilterto the front slide outrack module as shownbelow item1 Feedthelinefilteroutthroughthetop ofthe rack L I N E F I L T E R _ F R O N TS I I D _ O U i R A C K FIGURE 5 13 LinefilterRemoval s4 7 904 02P 54 79O4 03P ...

Страница 25: ...top cover per section securing thelensto thelensmounting plate SeeFigure 5 2 1 5 14 b Removethe foam shieldfrom aroundthe lens d Remove the lensfromthe projector R E D I L L U S T R A T E D FfGURE5 14 Lens Remoual 54 7 9O4 O2P I 54 7 9O4 O3P 06 90 O C opy r ig ht19 90b y Electrohome Limited HardwareLavoutand Disassemblv GEruenaL SERVIcING5 9 ...

Страница 26: ...nsassembly persection 5 2 11 o Withthe hexheadball nose driversupplied inthetool pouch removethe 3 CRTtilt bolts swivelbushings and tiltsprings items 8 9and 10 in Figure 5 16 p Remove the 6 CRTrnountscrews item11 in Figure 5 16 fromthe CRTheatsink item12in Figure 5 16 54 79o4 02PIs4 79O4 03P 05 90 O Copyr ight1990by El ectr oh o m e Li m i te d require WARNING Do not remove or handle the CRTs in a...

Страница 27: ... L E C T I O N Y O I K A S S E M B T I E S I I L T U S T R A T E D aj t i l i w i N i l o L F FIGURE5 15 CRTRemowl A GENERAL SERVTCTNG 5 11 Hardware Layoutand Dlsassembly d V FIGURE5 16 CRTRemoval B s4 7 9O4 OzP I s4 7 9A4 O3P 06 90 O C o py righ t199 0by Electrohome Limited Hardware LavoutandDisassemblv Geruennl sERVtctNG 5 11 ...

Страница 28: ...item4 in Figure 5 15 j Screwin the6 CRTalignment screws item3 in Figure 5 15 Do nottightenfully k Thisstepis dependant on the projectormodel lf the projectoris a 3100series SlidetheDeflection assembly asfaras possible upthe CRTneck Theconvergence DC centering wiresfrom the Convergence DCCentering section of the assemblyshouldbe at the 7 o clock positionwhen viewingthe CRTfrom behind Referto the il...

Страница 29: ...CRT clampsto the P3connector ontheVideoOutputModule s4 7904 02P 54 7904 03P 06 90 O Co py r ig ht19 90b y Electrohome Limited Hardwa r t 95ll ttot5 Xl Jtf s 1 3 o Connect the braided ground lead from the CRT groundingspringto the P10 connectoron the Video OutputModule p Connectthe CRT anode lead to the high voltage splitter Turn the lockingring clockwiseto securethe leadto the splitter q Reinstall...

Страница 30: ... the two assembly clampsarein place HardwareLayoutand Disassembly 5 14 GENERAL SERVICING lf the projectoris a 4100series Removethe Convergence DC Centeringassembly clampscrewto release the groundingwireto the P3 connectoron the Video Output Module item 1 in Figure5 15 lf theYokerequires replacement loosen the Deflection Yoke clamp item 2 in Figure5 15 SlidetheConvergence DC Centering assembly offt...

Страница 31: ...FlowChart 3 6 4 Troubleshooting Flow Chart 4 6 5 Troubleshooting FlowChart 5 6 6 VideoPathBlockDiagram LISTOFTABLES No tablesincludedin this section SECTION 6 TROUBLESHOOTING GENERAL SERVICING Troubleshooting Page 6 1 6 1 Page Troubleshooting GENERAL SERVICING 6 2 6 3 6 4 6 5 6 6 6 7 54 7904 02P 54 7904 03P 06 90 O C o p y r i g h t 1 9 9 0b y E l e c t r o h o m e L i m i t e d ...

Страница 32: ...defects b Visually check resistors capacitorsand other components for defectsor abnormalities s4 79O4 o2Pls4 7904 03p 06 90 O Co py rig ht19 90by Electrohome Limited GENERAL SERV C NG 6_1 lroubleshooting c For an apparently defective circuit measure appropriate voltagesand waveformssuchas collectorvoltagesand waveformsof transistors base to emittervoltages of transistors 0 3to 1 0v terminalvoltage...

Страница 33: ... 1 GENERAL SERVICING Troubleshooting l 54 7 904 O2P 54 7 904 O3P 06 90 O C o p y r i g h t 1 9 9 0 b y E l e c t r o h o m e L i m i t e d O O o C o o c o i e 3 L i a O O o D o a o c O O o l r4 J l o O o f l a O U 0 N O o D O O O l 6 O f C O U 5 r 3 EI O l O o L ...

Страница 34: ...s4 7904 02P s4 7904 03P 06 90 O C op y rig ht19 90b y Electrohome Limited GENERAL SERVICING Troubleshooting f I P I 6 FIGURE6 2 FIowChart 2 Troubleshootinq GENERAL SERVICINd 6 3 ...

Страница 35: ... l F i i l l l r l l I l l j t t l o t l a t N b o t a O o L 1 o O 5 s O t l a o o o N 0 P o n S o b O C O f i o O O O o o o 3s i5u i 5 E3 i 3 a j 1 l r l L I l t l a c o L o t o L O l y o o O r c J L o u c o c r y O O C r O O 1 J t o 0 O O U L o o o o O L I C O o z O i i l q r I i l o o l t D i P i o o I j o o o L o L 1 A o N O I O O 1 0 L o o o f l E 33 3 C o c a E u r o N o r l l l _ O Y J o o ...

Страница 36: ...a L O n m 6 c r o t o t o c q r L r F J L w d 1 r b 5 E i e a r r3 o L i O c o O L _ o o E o u a u o d C r o O 9 P c o o o a o Y O L v k O I O f O o L o O O o l o o 0 0 o L 9 o o o L O 0 O i o f E t t _ l l o l l a l l e l t o l 1 I l l a L c n o o L o o f C O O L o o O O O O r f o _ r o o o 9 o o c L O C D Y I P 5 P b 5 O F C O o z O l 5 a E L o z r O t q w o 0 C r c 4 6 o l E L 9 r 0 o u a t l l...

Страница 37: ... i _ 9 E f 9 9 a R t E o O i o L o o L o t i o l O o r O t r F o o O T o t r O F C L D a I O n u r o d d o i X u r O 6 C O d J u L 0 3 P 1 9 P 3 3 E c l U O d O f o O O O o o r f o o O O ar o o E G O U I I P l F t I ss J i t I l r o r o l o a r I O C C 1 5 3 l o t l o l o l l o N o l o o I o l I o a l o I C l o l fi tll r Z i i I I I I i I i I I I I i I I I l I I i i I I I I I I I l l l I I I i I ...

Страница 38: ...D F o_ O O trl N O t h o C O f _ x B 3 c o r r o U 1 m u o l o J r o C l O n L J l I o C U 54 7904 O2Pls4 7904 03P 06 90 O C op y righ t1 99 0by Electrohome Limited z p z o X O FfGURE6 6 Video PathBlockDiagram Troubleshootino GENERAL SERVICINd 6 7 ...

Страница 39: ...ed Referto Table7 1tora completelistingof alignment procedures whichmay LIST OF ILLUSTRATIONS Figure 7 1 Extender Board Use 7 2 ThePower Deflection Module 7 3 Video Control andWaveform Module Controls 7 4 Video Output Module back 7 5 BiasModule andCRTControls LISTOF TABLES Table 7 1 Service Alignment List Page 7 1 7 2 7_3 7 4 7_6 s4 7904 02P 54 79O4 O3p 06 90 O C o p y r r g h t 1 9 9 0b y E l e c...

Страница 40: ...tion Module Remote ControlModule STEP1 RemoteControlModuleRemoval a Remove the backpanelas described in Section 5 2 b Locate the Remote Controlmodulein the rearpanel cardrack Usingthe printedcircuitboardextractor from the tool pouch pullthe modulefromthe card rack as described in Section 5 2 Alignment Procedures GENERAL SERVICING FfGURE7 1 FsctederBu rd Use RasterCentering ColorBalance VideoAmplif...

Страница 41: ... Connect the a Locate trimpot R119 on each Power Deflection ground leadofthetestinstrument to pin31or32onany module SeeFigure7 2 row b Usethe slotscrewdriver to adiustthetrimpot Look d TurnONtheprojector PressCONVERGE 5 BESET intoeachCRTlens oneata time andadiustthetrimpot EXIT andEXITon thekeypad Jntilthecrosshatch iscentered ontheraslerascloseas oossible e PressCONVERGE 5 againthenpressand holdt...

Страница 42: ...nd R115respectively See Figure7 3 NOTE Observeclosely lt is easy to miss the null positionand turn through it to positivevideo h Turnall switches on SW1 SW2and SW3 Adjust BRIGHTNESS to 5 lncrease CONTRAST to 3 Connect the white field generator Turn the threetrimpotdrive controls redR1 greenR2 blue R3 on the Waveform modulefullyclockwise Referto Figure7 3 i Adjust the drive controlsuntil a white im...

Страница 43: ...Outputmodule and ground NOTE lf the rasterchangesin brightnesswhen the voftmeter is connected inserta20Kresistorin series with the voltmeter Keep the body of the resistor closeto the cathodepin See Figure7 4 i Adjust R5 on the Video Output module until the voltmeter reading is 140VDCt 0 3V k Adjustthe threeG2 trim potentiometers R20 R45 R19 on the Biasmoduleuntilthe rasterof eachcoloris justvisibl...

Страница 44: ...ited GENERAL SERVICING 7 5 Alignment Procedures roughlymatchthatseenwhenlookingintothe othertwo CRT s whileturnedon Note lfthe CRTisexhibiting an extremely brightimage highbeamcurrent reducewith the G2 control c TurnOFFthe newlyinstalled CRTandturnON oneof the originalCRTs preferably the greenor red Usethe appropriate switchon the Biasmodule SeeFigure7 5 d PressHELP 1 2 to enterthe set uproutine e...

Страница 45: ...4 O3p 06 90 O C o p y r i g h t 1 9 9 0b y E l e c t r o h o m e L i m i t e d t R 2 6 F O C U S R 2 8 F O C U S s a S a a g Svll rLU Zg2gr5 2 1Z D E F L E C T I O N Y O K E YOKECLAMP FIGURE7 5 BrasMdule and CRTControls AliqnmentProcedures 7 6 GE I IERAL SERVICING ...

Страница 46: ...ctronic tocuspot is R27 e PressCONV 4 to produce a dot pattern n TurnOFFtheblueCRT TurnONthegreenCRT Use NorE Do not use Interrace signars fo these slideswitches sw3 andsw2 ontheBiasmodule adlustments o Repeat stepsh to k for the greenCRT Thegreen electronic focusoot is R2B f Turn OFF the greenand blue CRTsusingslide switches SW2andSW3ontheBiasmodule Darken the p TurnONallCRTS room q Set CONTRAST ...

Страница 47: ...7 g GENERAL SERVTCTNG Allgnment Procedures NOTES 54 7904 OzP s4 79O4 O3P 06 90 O Copyr ight1990by Electr oh o m e L i m it ed Aliqnment Procedures 7 8 GEIIERAL SERVICING ...

Страница 48: ...ILLUSTRATIONS Figure 8 1 Power EntryModule Component Layout B 2 Power EntryModule Schematic LISTOFTABLES No tablesare includedin this section SECTION 8 POWER ENTRY MODULE MODULE SERVICING PowerEntryModule Page B 1 8 1 B 1 8 5 8 6 Page B 2 B 3 54 7 904 02P I 54 7 904 O3P 06 90 O C op y righ t1 99 0by Electrohome Limited PowerEntryModule MODULE SERVICING ...

Страница 49: ...Tracetheyellow greengrounding wirefromthepower Entry Moduleto the groundingpoint on the projector chassis See Figure B 1 item 1 Disconnectthe grounding wire c Removethe two screwssecuringthe front slide out rackto the projectorchassis carefullyslidethe rackout about3 Disconnect theM1B Pl M1B P2 M1g p3 M1B P4andMlB Psconnections fromthe rearof the module d Removethe two hex headscrews item2 as show...

Страница 50: ...g 2 MODULESERV C NG Power EntryModule ComponentLayout o f l o tl tl tl u o o c f o o o o o q o i a c c d E L E C T R O H O H E L T D 5 0 1 8 8 3 0 4 P I 5 S L SolderSide Viewedfrom Componen 50 1883 41 Xi r 8il lH PIJR RETIFY l Cl0 tr tttU I ...

Страница 51: ... l t l u T l t l L _ J n l s ll r r o fl il rl ComponentSide entSide 54 79O4 O2PI54 7904 03p 06 90 e Copy rig h t199 0b y Elec tr oho me Limited FIGURE8 2 Power Entry Module Gomponent Layout ...

Страница 52: ...elv P i LI I S N P S f r E lrcuTi m t 3rarTcH Pil A I F U S E R A T I N G Fl t 1e5n Slv f2 ca tttv Ft 13e eSlu F1 l r5e 5lV R SISiTIISrR SISTSCE IS IN R tl G Ir KfLOflS ffi il l St lG y2 lrTl 5x TtLERff CE UtFeS OT CFHISE PEqIFIED CIIPACIT IS TCRFRGITY IN r tlGtFffilS n ltll tRFRG m lr I IEFIFARRG o c r t u I TILERRI E toTED I CRE CRTTIDf FIGURE8 3 Power Entry Module Schematic ...

Страница 53: ...T ED SNFETY REPI G C fT 6 TS roreo rrfiHrrH a ncr REPrrcD T PrnTsotY c lcr T sERttrEE rtril lll PmTs LI T SETII SETY COf I ENTS 54 7904 A2p 54 7904 O3p 06 90 c o p y rg h t 1 9 9 0b y E l e c t r o h o m e L i m j t e d Power EntryModule MODULESERVICING 8 3 ...

Страница 54: ...005 45P 27 000005 47P 27 000045 0sP 34 001058 01P 25 000104 01P 25 000106 02P 42 000127 01P A A A A F1 Description MC7805CT 5 VDC fixedlinearregulator MC7B12CT 12VDC fixedlinearregulator 2N2222 A NPN 30V 0 8A 1 2W 2N6426 NPN 2N3904 NPN 40V 0 2A 0 35W 1N4003 rectifier 1A 200V 7 1N914 0 075A 75V 1 0 0 p F 3 5 V 2 2 0 0 p F 1 6 V 100nF 50V 10nF 100V mylar 1 0 0 0 p F 1 6 V 10001tF 25V 22p F 25Y 470R ...

Страница 55: ...elayturnon voltage 4 Sto S SVDC 240Vmode 180to 264VAC Pin3 ground Frequency 50 to 60 Hz nominal pin 2 sV standby voltage 4 75to S 25VDC InputFuse slowblow Rating Pin1 12Ystandby 120Vmode 6A voltage 11 4to 12 6VDC 240Vmode 4A rippleat 300 Ma 5 mV 54 7904 02P 54 7904 O3p 06 90 O Copyr ight1990by Electr oho m e L im i te d Power Entrv Module 8 6 MODULES enVtCtttC ...

Страница 56: ...SUPPLIES TABLEOFCONTENTS Section Page 9 1 Technical Description g 1 9 2 Servicing and Alignment 9 1 9 3 Specifications 9 3 LISTOF ILLUSTRATIONS Figure page 9 1 Low VoltageSwitchMode PowerSupplyRemoval g 1 9 2 HighVoltagePowerSupplyRemoval 9 2 LISTOFTABLES No tablesare includedin this section PowerSupplies MODULESERVICING ...

Страница 57: ...panels as causethe powersupplyto switchOFF described in Section S 2 9 1 1 2 HlghVoltagePowerSupply b Remove thetwo screwssecuring thefrontslide_out TheHighvortagepowersuppryprovides 04KVto each racktotheprojector chassis slidetherackoutabout4 CRT anode 11 KVtothefocuscircuitry and8OO VDCtor c Disconnect theM14_p1 M14_p2 M14_p3 andM14_p4 G2 cut off The HighvoltagePowersupply hasshort connections fr...

Страница 58: ...oiectionhead portion ofthe projector Disconnect theanodeleadfrom D Remove the4 hexheadscrewsas shownin Figure thesplitler androuteit backto lhe powersupply 9 2 Guidethe HighVoltagePowerSupplyoutthe right Note Somecabletiesmayrequire removal lf so record sideofthefrontslide out rack thecabletie Dositions forfuturere assemblv H I 6H VOLTA6E P O W E R S U P P L Y ll w Y I DI SCON NEC T AT 4 P 1 F O C...

Страница 59: ... 35A 0 4Amax 1 5Vp p max 220to 255VDC 1o o m lX 0 014to 0 354 0 4 5 A m a x 0 5Vp p max 5o o max 0 044to 0 64 1 5Amax 0 1Vp p max 24V Supply Regulation line load Load Current PeakLoadCurrent 20msrepetitionrate Ripple Noise peakload 12YSupply Regulation line load Regulation above3A Load Current PeakLoadCurrent 20msrepetitionrate Ripple Noise peakload 12V Supply Regulation line load Load Current Pea...

Страница 60: ... H z 140Wtyp 34Vnom 3mA max 0 2o o md 200ppm C max 150Vp p max Lineregulation ripple noise 3mA 900pFload Focus Supply TerminalVoltage 17KVMultiplier Tap Resistor temperature coefficient G2 Supply Voltage Curieiri Dynamicload regulation no loadto fullload Lineregulation Crossregulation anode no loadto full load ripple 1mAload 0 1 o oITI X 6 6Vmax 10 5KV t 10 35 5M tr 1o o 100ppm Cmax ou D to iK 16V...

Страница 61: ...gure 10 1 RGBSYNC10PINlnputModule 10 2 RGBSYNC10PINInputModule 10 3 RGBSYNC10PINInputModule 10 4 RGBSYNC10PINInputModule Removal Component Layout Schematic Sheet1 ot 2 Schematic Sheet2 of 2 Schematics Page 1 0 1 1 0 1 1 0 1 1A 7 1 0 1 0 Page 10 1 10 2 10 3 10 5 LISTOFTABLES No tablesare included in thissection 54 79O4 O2P 54 7 9O4 03P 06 90 O Co py righ t199 0by Electrohome Limited RGBSYNC10 PINIn...

Страница 62: ...ools EquipmentRequired Phillips screwdriver a Removethe upperand lowermountingscrewsfrom the module SeeFigure10 1 b Usingthe BNC connectors pullthe modulestraight out fromthe card rack 10 PINInput Mdule Removal 10 3 COMPONENT I AYOUT AND SCHEMATICS Referto the followingpagesfor componentlayoutsand schematics of the RGBSYNC10 PINinputmodule FIGURE1O 1 RGBSYNC 10 2 2Alignment and Adfustments R139is ...

Страница 63: ...7F t ll _ 5nS _1i H HV c s XeA 3ll _____J i t lHz bz o 1 H o CJ a f 3r l_ l o E er___ l 6 11 Ei il L_J U J z r G r CE p R oee cc i poi o i l l r I o as iTd6 P Il rr c6 cl5 ca _ tl Ji_ _ n r rn t l tl u U sr g E lQ Pf I 3 3 n I t c 6 E fl 2 F e oPI F E rF i9 31 n A t F t F i z s Ft 5 ffil lc l lc l ld r ft _ r l t cr C 1 l R r R B T n i to t ri 1 t 5 l8 o r r n n n fffffff 5ff rffi r F3 r r o E c X...

Страница 64: ...t t t _ r _ o l o o l o h o l o o o o o o J I H _ J l o o o i o o o a __g ___A o o o 6 6 o 6 e f f i L e J o t Z _ b o o o o e o o f f i ffi rt I o o o l o Q Q H l l L l l H fflooo r ___r f rltqj rJ o o o I J n t l 1 o cdF o l l l e r 0 f l l l o o c f i o l g o l l l o o g cqr re o o olll ltF l l l l o J o o o u k l I o o 6llT l o l l i o 6 l lo 1 6 o o nl ll f t ft N trJ ffi 1 t ide ponent Side ...

Страница 65: ...Of lP SYNC a tt gts I rrt r ltJ FB4 u n Rl3 a l l U S k KlLolls CR l l f q 1 2 lsTT 5x T LERFICT OTTEf I IS SPECIFIED CRPRtrfTOIS CRPfiCITYIN r flID FP n ilql FfltcDS fr l C D C U U T LERF G UfRE MTIDfl O P T I O N R L FIGURE1O 3 RGB SYNC10 Pin Schematic Sheet 1 of 2 ffirn coNNEcrI oNs tct tta lttrl a l Prfl mJtl 1 2 3 6 3 1 1 1 e 1 3 Inc4oTo 7 co l011 7 co tol1 7 2 rLs123 I I cD 40e8 I I cD4098 I...

Страница 66: ... R C H P U L S E M TIII F n C I TNT ED SNFETY REPLME cI PtrE TS horED 9 aUrTH D CT REPI ACEI r PffiTS t LY COIC LT SERI ICE MilJH PffiTS LIST S CTIII SRFETY COf IINTS F 7904 O2P 54 7904 03P 06 90 C o p y r i g h t 1 9 9 0b y E l e c t r o h o m e L i m i t e d I 1 0 f AJ DB e S c r t6 p lc24 t a l a tr l 2 U ee l 2 V PCr S L OT L E D PR1 6 L O T T h eo It _l t l N A F t t l PNtsNF NOR H RLLY T I R...

Страница 67: ...P1 llgrt 014 It31 0 6 t tor U E RT I C R L S Y N C tln FAI PCr PRl PCI _l Rl47 7 f 1 L _ I I I I I R1 1r I I I I cl9 I I L OPTIONAL FIGURE1O 4 RGB SYNC10 Fin Schematic Sheet2 of 2 E 50 ...

Страница 68: ... il 1B r i i Nojy rjt_L _Y rP15 r i i cLosED Lers zr _j P 1 5 E xHrnrLY I cl or L xonnnu uvf P1 4 c L 0 s E 0L P l 1 54 7904 O2P 54 7904 03P 06 90 O C o p y r i g h t 1 9 9 0b y E l e c t r o h o m eL i m i t e d E rF 2 cD t098 3 _GFr RGB SYNC10 PIN InputModule MODULE senVtCtt rC 10 5 ...

Страница 69: ...3P 1N4003 diode 1A 200V o2 D22 14 000513 01p 1N914 diode 0 075A 75V D23 14 000525 07P 8W26 diode 0 5A 350V Capacllors C1 C16 C67 84 410104 3P 100pF 25V C17 C43 C68 C72 89 000032 03P 100nF 50V A4 46 12031 4P 12pF loov 2oA U5 C47 C48 86 618711 4P 1 8pF r0 25pF NPO 1O0V C46 C49 46 610031 04P 10pF 100V NPO C50 C52 44 433103 5P 330p F 16V C53 C55 C62 C71 84 410004 01p 10iF 25V C56 C57 89 000033 6P 330p...

Страница 70: ...025 1 1P B0 1 47095 1 1P 80 127015 11P 41 000344 04P B0 1 82025 1 1P 82 375091 29P 41 000344 12P 41 000345 1 1P B0 1 30035 1 1P Description 470R 1 2W 5olo rtetal film 220R 1 2W 5olo mstalfilm 150R 1 2W 5olo metalfilm 100R 1 2W 5 metalfilm 22K 1 2W 5olo ITlgtal film 8 2K 1 2W 57o metalfilm 4 7R 112W 5o o SAFEW COMPONENT 330R 1 2W 5olo metalfilm 15K 1 2W 5olo metalfilm 4 7K 1 2W 57o metalfilm 2 2K 1...

Страница 71: ...L1 l2 L3 L4 Miscellaneous RL1 RL2 PartNo 21 001400 10P 21 001 185 3BP 21 001400 25P 25 000106 01 P Description 27 1rH RFchoke 12O1tH coil 27p H RFchoke DPDTrelay MT2 12Vcoil 54 79O4 OzPl54 7904 03 P 06 90 O C opy r ig ht19 SO by Electrohome Limited RGBSYNC10 PIN InputModule MODULE senVlCtr rC 10 9 ...

Страница 72: ...OTE The combination Pl5 pins 1 2 shorted P16 pins 2 3 shortedand P17pins 2 and 3 shorted can be used to pass input composite sync direcily through the module without regenerating sync internally The incoming sync must be of proper timing and duration lf not the imagecould be displaced 54 79O4 O2P s4 7904 03p 06 90 O C o p y r i g h t 1 9 9 0b y E l e c t r o h o m e L i m i t e d R G B V i d e o R...

Страница 73: ...s Page 1 1 1 11 3 1 1 3 11 9 1 1 1 1 LISTOF ILLUSTRATIONS Figure Page 11 1 RemoteControlModuleBlockDiagram 11 1 11 2 RemoteControlModuleComponent l ayout 11 4 11 3 RemoteControlModuleSchematic Sheet1 of 2 11 5 11 4 RemoteControlModuleSchematic Sheet2 of 21 11 7 LISTOFTABLES No tablesare includedin thissection 54 79O4 OzPl54 7904 03P 06 90 O Cop y righ t1 99 0by Electrohome Limited RemoteControl Mo...

Страница 74: ...ieves settings stored in memoryand uses them in the initialset up sequence The microcontroller then entersa user input monitoring mode A POWERcommandfrom a keypad willcausethe microcontroller to turnthe projector ON Whenthe projectoris ON the microcontroller monitors all keypadsand faultsensors Duringnormaloperation the microcontroller leaves monitoringmode when it receives a keypadcommand Themicr...

Страница 75: ...put connectsto the 5 V standby supplythroughpull upresistor RNg Normally it is high RemoteControl Module 11 2 MODULESERVICING Duringa data read the read strobe goes low This enables the dataoutputlinesof RAMlCs 26 and 29 b Thereadstrobealsoconnects to pin4 of bidirectional octal bufferlC2B Duringa data read lC2B is set to receive datafromthe motherboard SideA isoutputand sideB is input Duringa dat...

Страница 76: ...log convefters lC1S lC16 lC17and lClB receivedigital informationfrom the SDA line of the systembus DAC select DAC outputselect and data signals from microcontroller lC21areserially transmitted to eachDAC TheA0 A1andA2 linesonthe systembus s4 7904 02P 54 7904 03P 06 90 O Co py righ t19 90b y Electrohome Limited MODULE SERV C NG11_3 RemoteControlModule encode lC15as 3 lC16as 2 lC1B as 1 andlC17 as 0...

Страница 77: ...t c s d n p t u p I u il e o r o l d l HI L r C n t H l I o l t a 0s U cn H 0_ LN c I rU m I O n m J 0_ t F o I LI v o F J t I o I o v F O II J l a I U U r r rft lg lB l SolderSid Viewedfrom Comp RemoteControlModule 11 4 MODULESERVICING ComponentLayout ...

Страница 78: ...D c E o r a A 6 j 4 F E E o s E o e r o o o q o 2 o r o o o o o o q o i d e rponent side ComponentSide FIGURE11 2 Remote Gontrol Module Component Layout 54 79O4 O2PI54 7904 03P 06 90 O Co py rig ht19 90b y Elec tr ohome Limited ...

Страница 79: ...rs c n a 7 Fz 5 lV lrl lc30 l h frar lm r I ta 12u uDc PRlry P81ry Fcr ED J l U U D C PR1 1 F81 N I Pcl ry ilsDEc f i i f I j orrr R t0r t rl PAl FAl c oh F g rc27 TC27 p l rilD l l Gt o jt l i 1 AD 1 A D l A DE AD3 AD6 AD7 1 A D t ADs VF B PR1 PAl H F B A C 0 7 E 5 9 B B B E E m PltettPafltf6P IC30 A 8 r 1 5 i l l Jl r l p 77lRTt I r lrrt E r p r 3 r r r E i T j TC 7 TC 7 pl R rtn 1a v ...

Страница 80: ... 1 5 Elt F D Ail E R12 06 m r D flo tE n9 0 F O r p m I rces Fr R cc m s G R1 W el3 m f t e t r in i IX F E G I G ho t u o a F n es 01 E D O I rcar ffit B F c c t I r vpt v r E DI 0l D tlr l o s t AD8 AO9 A D l O A D 1 1 A D1 A A D1 3 ADl l A D1 5 FIGURE11 3 Remotecontrol Module schematic sheet 1 of 2 RemoteControlModule MODULE SERVICING11 5 54 7904 02pl54 7904 03p 06 90 O C o p y r r g h t 1 S 9 ...

Страница 81: ... REPuCEIGXT FRRTS OTY CtIg LT SERIIEE f TTI PMTS LIST SECTItil SFETY CtlfO fNTS t c IC1 I lul 1 D9 brr tlf ln 0F6 ro mc fl ECr n l U r n mE ro TC77 rEDa 1 EE br CFO in mE lL mc t m E fl rcr n m E cl9 tuT qtu jful iffi r W fui I Y P L I C I T P O J T R C O N N E C T I O N S c tlt Irl FOrrl PIfl FOJ I a 3 I s 6 7 8 n5e16L llsar6L h52r6L H5 T6L n5e16L l 5ercL Hser6L its216L 1 1 1 4 1 1 1 1 1eu 12U r2...

Страница 82: ...CEXT H PHes u PHtaf ELEC rOCUI s4 7904 O2Pl54 7904 03 P 06 90 O C o p y r r g h t 1 9 9 0b y E l e c t r o h o m e L i m i t e d 90lt t xgYtTt taf H sllf 4 V SIIC PIX TtP t Prx EoT PIN 5IDE BiIBHT coxTrRsT uoLUlr DETAIL coLoR TIXT U HOLD FIGURE11 4 RemoteGontrol Module Schematic Sheet2 of 2 RemoteControlModule MODULESERVICING 11 7 tcl tor I ...

Страница 83: ...ctalbi directional transceiver DS 1235Y 150 S RAM 74AHCT octalbus BATB1 SCHOTTKY 1N914 0754 75V LED RED 3V O9A LED GREEN 3V O9A 1N5231C 5 1VZENER 20 o 5V 1 1N4735A 6 2VZENER 5 1W 33p F 10V tantalum 100nF 100V 10 100nF 50V 10p F 25V 27pF 100V 100pF NPO 100V 22pF 100V 1OnF 100V mylar 1 0 0 p F 2 5 V 1M 1 2W 57o metalfilm 15K 1 2W 5olo ffietol film 470R 1 2W 5 metalfilm 24K 1 2W 5 metalfilm MODULE SE...

Страница 84: ...31 1 1 1P B 0 1 2 0 0 1 1 1 1 1 P B0 1 1001 11 1 1P B0 15601 11 1 1P B0 156021 1 1 1P B0 1 1501 11 1 1P B0 1 10021 1 1 1P 43 000053 03P 43 000053 02P 43 000053 1P 26 000343 1P 37 00020 4P Descrlptlon 100R 1 2W 596 metalfilm 4 7K 1 2W 50 6 metalfilm 300K 1 2W 5 metalfilm 2K 1 2W 50 6 metalfilm 1K 1 2W 50 6 metalfilm 5 6K 1 2W 5olo ffietalfilm 56K 1 2W 50 6 metalfilm 1 5K 1 2W 5 metalfilm 10K 1l2W 5...

Страница 85: ...ogoutput H A M SW 0 to 5 VDC 1Oo o analogoutput V A M SW 0 to 5 vDc 100 0 analogoutput VCR SW 0 t o 5 v D c t 1 0 output PWR REI AY signallevel Pin1B signallevel Pin19 signallevel Pin20 signallevel Pin21 signallevel Pin22 signallevel Pin23 signallevel Pin24 signallevel NOTE 6 bit signal Pin25 signallevel Pin26 signallevel Pin27 currentlevel Pin28 currentlevel Pin29 currentlevel Pin30 currentlevel ...

Страница 86: ...l input AD 11 diEital input AD 12 digitalinput AD 13 digitalinput AD 14 digitalinput AD 15 MSB digitalinput RD digitalinput WR digitalinput ALE digitaloutput PSE digitaloutput RST digitalinput CRTLIMIT digitalinput CAB LIMIT digitaloutput REVSCAN digitalinput PWR FAIL digitaloutput DACOUT2 analogoutput COLOR 0 t o 1 0 v D C r 1 0 analcgoL tput TINT 0 t0 iil vDCt 100 o analogoutput DETAIL 0 ro 10vD...

Страница 87: ... 12 4 Waveform ModuleAlignment Daughter PDBRemoval 12 5 WaveformModuleComponentLayout 12 6 WaveformModuleSchematic Sheet1 of 2 12 7 WaveformModuleSchematic Sheet2 of Zl 12 8 Pincushion PCBComponent Layout 12 g Pincushion PCBSchematic 12 10ColorCorrectionPCBComponentLayout 12 11ColorCorrection PCBSchematic LISTOFTABLES 12 1 AddressDecoding Page 12 1 12 5 12 6 12 17 12 21 Page 12 1 12 3 12 4 12 6 12...

Страница 88: ...he corresponding SEL lineto go lowfortheduration of the RD or WR strobe Addressdecodingissummarized inTable12 1 TABLE 12 1 Address Decding t o ADDRESS MODULE FUNCTION SELO 6000TO 63FF CONVERGENCE RAMBANKSELECT SELl 6400TO 64FF VIDEO CONTROL VIDEORAMADDRESSING SEL2 6800TO 6BFF VIDEOCONTROL MODECONTROL SIGNALS SEL3 6COO TO 6FFF WAVEFORM TOPVERTICAL BI ANKING SEL4 7000TO 73FF WAVEFORM BOTTOM VERTICAL...

Страница 89: ...k mounted to the Waveformmodulevia connector Thecircuitryconsists Waveform Module 12 2 MODULE SERVICING of a vertical sectionthatprovides modulation fortop and bottompincushion and bow centering and a horizontat sectionthat generates the parabolaneededto correct each linefor pincushion See Figure12 9 Pincushion Waveform and FunctionDiagram VerticalSection The primefunctionsof the verticalsectionar...

Страница 90: ...rit is appliedto the inputsof lC14and1C15 Thenewrampisaveraged andtheresult is appliedto the offsetof the multiplier resultingin H PAR Modulation VERT MODUT ATION and H PAR are multipliedby C17 lCgB and associated components Outputvoltageis 6V maximumand 6Vminimum 5 uS lead at 15 75 KHz 3 uS lead at 80 KHz FfGURE 12 2 Horizonhl Parabola 54 7904 03P 06 90 O Copy r ig ht19 90b y Electrohome Limited ...

Страница 91: ... U O z L r O r r r O J q o a l u u I I I I I I i I I I I I i I I I I i I I l l I I I I I I i I I i I I I I t _ FfGURE 12 3 Pincushion WaveformaN Function Diagram WaveformModule 12 4 MODULE SERVICING s4 790 4 0 3 P 0 6 9 0 O C o p y r i g h t 1 9 9 0b y E l e c t r o h o m e L i m i t e d ...

Страница 92: ...ohome Limited MODULESERV C NG 12 5 Waveform Module STEP3 HorizontalDynamicFocus a Press on the keypad Thisproducesa crosshatch patternon the screen b Connectthe oscilloscope to TP6on the Biasmodule c Adjust R17 until a 250V horizontalparabolais produced STEP4 Vertical DynamicFocus a Press on the keypad AdjustR4Buntila 360V p p parabola is produced 250Vhorizontal plus110V vertical components STEP5 ...

Страница 93: ... s C O L O R C O R R I C T I O N P C B FIGURE 12 4 WaveformMdule Nignment Daughter PCBRemoval 12 3COMPONENT I AYOUTAND SCHEMATICS Referto the followingpagesfor componentlayoutsand schematics of the Waveformmodule WaveformModule 12 6 MODULE SERVICING s4 7904 03 P 0 6 9 0 O C o p y r r g h t 1 9 9 0b y E l e c t r o h o n e t i m r t e O ...

Страница 94: ...le O O c 4 Y __l m 0 o F s i a m t l 0_ rfl O I M rn w s l I ul o_J O o o o o o o o c F a a O F O o c o c o c ii fi E o ll o o L SolderS Viewedfrom Con WaveformModule 12 8 MODULESERVICING 7 b b E o r _ f i o o D o b o ComponentLayout ...

Страница 95: ...cu o H O O O f f i o O O O H Side rmPonentslde ComponentSide FIGURE12 5 Waveform Module Gomponent Layout _ ___ _ _ _ r t P 3 b d o t _ _ 4 o o o o o o 4 q o _ 4 o o o s4 7904 03P 06 90 O Co py r ig ht19 90by Electrohome Limited ...

Страница 96: ... Df 6 6 r 6 p C 0 r Z C 0 r 7 I Y P L I C I T P O J E N C O N N E C T I O N S rct Itt rl FOJ I Prnl FOJ tct tca tca lcr2 lcr a lort lota BC2C tote tLttt 2ixqlE 21xqt2 TLT T4 leaa TLI TLIT4 71xC2a 2aHCl0 a r a t a 1 a a 1 1 t 1 a ucc vcc ucc vcc ucc 1Et w llv tev 5U ta tev tu llu l l 7 7 l l 7 t t t t 7 2 ra tlto 8t o t 2r 3lo ta ev lrao 3XO FIGURE12 6 Waveform Module Schematic Sheet 1 of 2 ...

Страница 97: ...HTON AND BOIJ I PIN IIFI I l er tV tlJ ft CFJ 3 PBl fi 3 PIN TOP 3 Pn1 t D 3 U FB f3 fi SvoLT HFB 3 l r r J F8r D Fr torl 1 PBt r PII IOT t Fr r _4 ll f Ft L P l I s4 7904 03P 06 90 I O Co py rig f t1 99 0by Ele c troh ome Limited J WaveformModule MODULE SERVICING 12 9 ...

Страница 98: ...e 12 10naoouLE sERVtctNG SCHEMATIC REFERENCE T C G N D G N D c G N D R GAIN at pointPB1 21 5 m S a i v KEYWFM at pointPB1 14 r l 7 Y 7 Y 5 m S a i PINWFM at pointPB1 17 i t T ri f 5 m S a i v BLANKWFM at pointPB1 19 tl 11 L JL JL 5 m S a i v G N D s4 7904 03P 06 s0 O Copyright 1990by ElectrohomeLimited ...

Страница 99: ...aD 7 A D 0 7 Pnt PRl PAT PRT PAl Pnl PR1 PRI PAT PR1 PRl PA1 PR1 PRl PRl PRT ta SEL1 s L2 5EL3 SEL t SELS SEL6 s L7 4 o t I r0w I 8 FIGURE12 7 Waveform Module Schematic Sheet 2 ot 2j f c z 6 l 245 un e l a P T F B na Ea 6 E 5 E p 9 F E o E ffi r 2 A 8 D 0 D r D e U I X ...

Страница 100: ... I 3 O K I L L l a v l e u PAl FBl Pqr PA1 P9r PCl I rc1 s4 7904 03P 06 90 O Cop yr ig h t19 90by Elec tro ho me L imited Pnl PA1 P8t P81 PCl rc1 Pn1 PR1 PBl FBT PCl rc1 R 6RIN 6 GATN B 6ATN WaveformModule MODULE SERVICING 12 11 IG IE IC3 lG t05g n D r t A u l s v 1 co LEGEI O RfStSTtnSrRfSilSTFl E IE D R Olt r r KILII G ffi h rCfiOfG L 1 f TT St TrLEm E utEss OT RI ISE SF SINED CAPAGITffiSTCRPACI...

Страница 101: ...d N ctr oo i l t H l l o e o o o d 4 o o o f i o e o LZ f 5 u p r S N V 4 6 Q o O o o o e_3_s c o H o t V o o li a H e e o o o d 6 o o9 a l o o g9 oH o o o Component Layout o 6p ob o og e V o R o r F 9 c o P E1 Jo A tr d V_ a 4 qOfD i c o o o o o _g__ _ o Jo s o 7 o o o o o o 4 t l o ll o o to fu Solder Sldr Vlewed from Compo s4 7904 03P 06 90 O Copyr ig ht19 90by Ele c troh ome Limited ...

Страница 102: ... l J t l J o o o o d o A o o o f o 3 b o o o o s o H O O o o a c e 4 el9__r _ o f f i m o o o T o o o 9 r r o o l G o o o o C l o J J o r q l Y c a r l o o o b f l o o o q p c C I Q O n a t l o 3 _ _ o E E r o o l l J de lonent Side 9 P h o o H Component Side FTGURE12 8 Pincushion PGB Component layout Waveform Module 12 12 MODULE SERVICING ...

Страница 103: ...RE12 9 PincushionPCB Schematic S P R R E 6 A T E S E T C rf9 ff n I RE ilSTITIiIREIiISTF GE IS I r I KD 0flS ttrl Fr l e lnTT 5r TIr r OT CRHIIE gECIF CRPFCfTIISTCRPEITY IN r E n lf fffiF0S CI 0 c H u I TILU IIfRE CRTTIDN ...

Страница 104: ... y Elec tro ho me Limited q5 1lf 1C i MODULE SERVTCTNG 12 13 Waveform Module VERT NODULRTTON I Y P L I C I T P O E R C O N N E C I O N S tc M U Itl POJ N Irr nn 2 l 9 1 t t 3 1 4 nC3a08 t 7 lHC f53 t1C3 t08 t 7 fHC123 ILOSE tlc340B4 1 t 5 1 1 6 I 1 1 1 s u 5U t I 5 U 5U 1 1 5 v t l 5 u t t I l l I 1 l 1 1 1 s t J GND 1 I 5 U BND 1 1 5 U 1 1 5 U Waveform Module MODULESERVICING 12 13 ...

Страница 105: ... 4 0 2 P rcat lR I c t t rcz Component layout SotderSide Viewedfrom ComponentSide ComponentSlde FIGURE12 10 Color Gorrection PCB Component layout o o o o o o o o o o o o o o o o o o o o o o E r o o o o o o g o o o o o o o g o o o g 0 o H n T o 0 0 0 9 O 9 O l t D o 0 o o 0 o 0 o o o 0 0 ...

Страница 106: ...J1 J1 JT J1 J1 JI JI J1 FIGURE12 11 Golor Gorrection PCB Schematic ...

Страница 107: ...SISTGTFESISTFICE IS R OfG r KD lll t ll llEffilfs 1 4 lnTT 5l T lfR DE l SS OT S ISE SECIFIED CnPnCfTmsrCffiITY IN r ElEffAf tE n tst rRRRF In filcFrFffiG o c l l u r IILERRICE fOT fif CTITIDf MODULE SERVICING 12 15 WaveformModule WaveformModule MODULE SERVICING 12 15 3 R E E N ...

Страница 108: ...32 03P 84 710003 02P 86 610134 04P 86 610031 04P 84 000210 05P 88 172240 12P 86 647033 04P 41 000344 39P B0 1 10025 1 1P Description TL084CN quad biFETop amp 74ALSB69 B bit up down counter 74HC4053 triple2 inputanalogmultiplexer 74HC32 quad2 inputOR gate 74HC138 demultiplexer 28122 256 x B bit fast bi polarPROM 74HC175 quadflip flop 74HC373 H CMOStransparent octallatch 4D7524 8bit multiplying DAC ...

Страница 109: ...K 1 2W 5 metalfilm 10K carbontrim pot 24K 1 2W 5olo rrl t tl film 1K 1 2W 5olo metalfilm 30K 1f2w 5o o 2K 1 2W 5 metal film 510R 1 2W 5 metalfilm 2 7K 1 2W 5olo Irletslfilm 10R 1l2W 5olo metalfilm SAFEW COMPONENT 470R 1 2W 5 metalfilm 100R 1 2W 5olo lrl t3lfilm 1 5K 1 2W 5olo metalfilm 2 2K 1f2W 5o o 10K 10pin resistor network R1B R25 R3B MC34084 op amp MM74HC4538 CMOSmultivibrator 74HC123 dual mo...

Страница 110: ...ERVTCTNG 12 19 Waveform Module Waveform Module MODULESERVICING 12 19 Item Ref Capacitors cont c20 c36 c37 c24 c31 c35 c25 c32 c34 c49 Resistors R1 R12 Rg R1 1 R12 R34 R64 R65 R2 R9 R10 R13 R14 R17 R1g R21 R30 R63 R66 R67 R5 R15 R16 R18 R22 R44 R61 R23 R24 R25 R26 R27 R28 R37 R42 R46 Rsg R60 R6B R70 R29 R71 R31 R62 R75 R32 R33 R35 R36 R43 R48 R49 R50 R51 R52 R53 R54 R55 R512 R58 R72 RB1 R73 R74 R76...

Страница 111: ...s C1 C7 C1 1 C21 B9 000032 03P 100nF 50V C12 C14 84 210145 01 P 10p F 16V C15 C17 46 610031 04P 10pF 100V NPO C18 C20 B9 000032 O4P 10 nF 50Y 20o o C22 C23 C24 86 622151 02P 220 pF 100V 10o o Reslstors R1 R2 R4 80 120015 1 1P 2K 1 2W 5olo metslfilm R3 R5 R6 80 139015 1 1P 3 9K 1 2W 5olo metalfilm R7 R9 R1 1 80 1 10025 1 1P 10K 112W 57o metalfilm R8 R10 R12 80 1 12025 11P 12K 1l2W 5olo m talfilm R1...

Страница 112: ...16 Pin19 NOTE module Pin 27 current Pin28 current Pin29 current Pin30 Pin31 Pin32 Pin1 Pin 2 Pin3 Pin4 Pin5 Pin6 Pin7 PinB Pin9 compositeparabola verticalparabola horizontal parabola Pin12 DC keystone control 12v power su J iHi u o t il o j uo rfi Hj connected to Pin29 5 VDC ground GND connected to Pin31GND digitaloutput SEL0 digitaloutput SELl digitaloutput SEL2 digitaloutput SEL3 digitaloutput S...

Страница 113: ...dth 2 pts 1 alo Pin20 analoginput BUCKLOW NOTE DC voltage proportionalto BUCK OUT see Keystonemodule WaveformModule 12 22 MODULESERVICING NOTE measurements for Pins 21 22 23 are made with CONTRAST 10V R1 R2 R3 adjusted to maximumand no color correction Pin21 analogoutput R GAIN signallevel 0 to 5V Pin22 analogoutput G GAIN signallevel 0 to 5V Pin23 analogoutput B GAIN signallevel 0 to 5V Pin24 dig...

Страница 114: ...NS Figure 13 1 Convergence ModuleAlignment 13 2 Convergence PCBComponentt ayout 13 3 Convergence PCBSchematic Sheet1 of 3 13 4 Convergence PCBSchematic SheetZ of S 13 5 Convergence PCBSchematic Sheet3 of 3 13 Convergence PCBComponentt ayout 13 7 Sub convergence PCBSchematic Sheet1 of 3 13 8 Sub convergence PCBSchematic Sheet2 of 3 13 9 Sub convergence PCBSchematic Sheet3 of 3 LISTOFTABLES 13 1 Ram...

Страница 115: ...alization pulse HPLL RESET enablesthe internal circuitry to determine the numberof HPLLCLK 2 pulses thatoccurinthe HFBpulsewidth Thisvalue n Q 0 to O 5 is storedand usedto loadthe divide by n counter for insertion intothe PLLcountingloop Theanalogphasedetector 1C19 provides a fixedphase leadof approximately 1 45 between the HFBreference and the H_LEADsignal For modules requiringthe HRESETsignalto ...

Страница 116: ...lC10a Theresultisstoredinflip floplC10b TABLE 13 1 Bam BankSe ec0bn DATA D7 D6 D5 D4 D3 D2 Dl DO DESCRIPTION LOCATION X X X X X O O O X X X X X O O l X X X X X O l O X X X X X O l l X X X X X l O O X X X X X l O l X X X X X l l O X X X X X 1 I 1 BlueVertical RAM BOOOH 9FFFH BlueHorizontal RAM BOOOH 9FFFH GreenVerticalRAM SOOOH 9FFFH GreenHorizontal RAM BOOOH 9FFFH RedVerticalRAM BOOOH gFFFH RedHor...

Страница 117: ...Phillips screwdriver a Remove the back panelas describedin Section5 b Locatethe Convergence moduleinthe rearpanelcard rack Usingthe printedcircuit board extractorfrom the tool pouch pull the module from the card rack as describedin Section5 2 7545 12 blt multiplying DAC with tatch tC57 1c61 l 1 7 1c71 lc73 MC34082bIFETop amp lCsO 1C60 1C63 1C66 ls8 lc70 1 6 74HC04Invertor 1C58 Eachchannelhas a pot...

Страница 118: ...der boardrowC pin 1 0V finetip slotscrewdriver AdiustR176untileltenderboardrowC pin2 0V srEp R move conversenco Modure i ffi ilf Xilii ffll i 3 3il i 3V AdjustR200untile dender boardrowC pin5 0V a Hooktheprintedcircuitboardeldractor intothehole AdjustR208untilextender boardrowC pin6 0V inthebottomoutside corneroftheConvergence module Pullthemoduleoutof itsslot b Press EXIT b Insertthe extenderboar...

Страница 119: ...loo2loofqo lll l l l elN lll i 1 1 lll 1 1 lll J r lll vid 1 lP lr N lll ffifi lll ss l 1 f l ilc qlll l ll l t_t33 1 ll r F V 1 1 o l l l ll o b o l o o o o o l l l l o I o o SolderSide Viewedfrom Compon h 3 n iffiiii r iffiffioqInrrfniljo Hn lg Hi s Fi tHi ioffio n n nffit tffif t 3i t us rr HqE i Hil n ng rr uffiolo i1x il I L _ n u1 t illi tl n IC24 F t 0 0 1 l I L R SH a t d r l CJ H o J lf _...

Страница 120: ... o o o o 0 o o o o o o t s o o o ComponentSide FIGURE 1i3 2 Convelgenoe PCB Gomponent layout o o o o o o E o o o o o o o nent Side _ s4 79O4 02pts4 7904 03p 06 30 O Cop yri gh t199 0by Elec tro home Limited o o o o o o o o o 1 e o o o o o o l o o o 9 L o ll 1 lct tt ll U u r o o o I L ...

Страница 121: ... PFT_ I CrI DULOADO VLOAO N n s B FIGURE 13 3 RE SDSTInS RESISTSGE k KILof 1 4 RTT 5 OTTCF IIS 9 CIIPACIT nS CNPAGTTYIh NttrffiqDs o c l J u I RE CRTTfi r rc3 l tz 3t ttJ gl rcrrrzlttaE l6D P Tt c I C 1 1 B E Ttc TC 7 A FG EgA t o E R44 a 06 LEGE Convergenoe pCB Schematic Sheet1 of 3 ...

Страница 122: ...P I s n 6 P S A a 6 A l p t t ALPHR O RLPHA 1 ALPHA A ALPHA 3 ALPHA f ALPHA 5 ALPHA 6 Ofl TIIil IN R TIIG p n f sofc l JqIIsg sFErY REPLR0E ctlf fNrs sr q ExflG ur Fss lIP 1 Aurn o mr REPI ACEIfNT f rrED PRRTS tltY CII E LT SERUICE mlllt FffiTS LIST SECTIII STEW CTIfI CNTS tEICFFRAG n S CR HIEFTTFRR IS r f ERR G I TED f s 4 7 9 0 4 0 2 P 5 4 7 9 0 4 0 3 P 0 6 9 0 O C o p y r i g h t 1 9 9 0 b y E ...

Страница 123: ...RENCE G N D Gf 1 D H RESETat pointPB1 16 IL 1 C u 3 7 d t v GND LO G N D _C c tjl G N D 54 7s04 O2P I 54 7504 03P 06 90 Copyr ight1990by Electr o h o m e L im i t ed 2 m S a i HPLLCLKat pointPC1 14 I t t t t r tL IJ J t L 2 0 A n S d i v BV CONV at pointPC1 1 I l t I I 5 m S a i v ConvergenceModule 13 8 MODULESERVICING ...

Страница 124: ...r r CJ esr rr jj esa 5 r l 5 49 P t0 PCl PC1 uoc PR1 PR1 FAl PAl G N D PC1 PC1 ft RI P PCl 1 2 U PAT PRl 1 2 U PCr S P R R E 6 A T E S r F I rczs _ t4v r 3df L tElY FIGURE13 4 Gonvergence PCBSchematic Sheet2 of 3 ...

Страница 125: ...ON FCl rloTHER PCr P C 8 PCl FCl cQ R 1 0 ll P1 T f P l 0 R R3 R 4 R 5o Pa0 ri B rt s r t JJs To r 6u Clos su Fr 6H cl s coNu rn t cs Fr _ RH Il jB P fl H re FRolr 1 s n o r H E R p17 PcB etcfu s4 7904 Ozpls4 7904 03p 06 90 Co p yrig ht1 990by Ele c troh ome Limited ConvergenceModule MODULESERVICING 13 9 ...

Страница 126: ...IOCNTS lrS r raw 17lt lll J I H LEAO ocr E 1 LL f9 Fqr 7C2 l T lu IEI tcc ln r D 90n fl nr FC F A l E t p E t e B I Y P L I C I T P O I E R C O N N E C T I O N S I Y P L I C I T P O J E R C O N N E C T I O N S tct L DIrl F rrl PIrl l J IC ttB PIXI POJ N PI I POJTI l e t 0 1 6 3 0 32 T LO 8 71HC71 irc3 082 74HCL1 7 lHC1e5 1 7 I 7 7 rr t 6NO tr t 6ND GND I l 4 I 1 t 1 4 tl tt 5U tt t 5U 5U a5 27 5 1...

Страница 127: ...EO O S C T L L A T O R HPLLCLK _ R15 r t t l cao I ra i toG I cslI ro rT I 8H ET T t LLCLX l tilLLCLx to l LLCLX a s4 7 904 02pl54 7S04 03 p 06 90 O C o p y r i g h t 1 9 9 0b y E l e c t r o h o m e L i m i t e d ConverqenceModule MODUL E SERVICTNG 13 1 1 r S H T 1 H L E A O h20rH cc H RESET S H T 1 ...

Страница 128: ...l u JL J I t I il ayf ll I I F l l l n n lI LIJ F I n r e F l r r r l l u A a f r illl Fsz i t n r m f l t o U9 1d tt1 c n bllnn tet 8LJ u l l t t l 1 l v l i a o h rc43 t l in H rc oC li T a 11 R h U H rc46 Ol i En u n rcsl ut r t Ul E rc4 Fle u O __ l n l D g H n l l vr rCqaCf3 nR rc4s s l t l l _ul f l r H rc oEl T T l l6 i i l f o l o l J J I U9 t d tl c l l mr r rr E l l l F n I I soolf p I I...

Страница 129: ...l li Itr lb Convergence Module 13 12 MoDUlE senvrcrNc a l o o o o o o o o o o 13_12 MODULE SERV C NG ConvergenceModule FIGURE13 6 Sub Gonvergence pCB Gomponent Layout entSide q o l t C 7 o o o o o ComponentSide ...

Страница 130: ... Ts l Y2 TsL O I Y FREL A L P H A O t 7 HPLLCLK I 6 HPLLCLK EO HPLLCLK 4 g xa 6 6 o rcsg P18 P17 Pr6 P15 Pt1 P13 Pr2 Prl P10 P P8 S TIE azos p Rto TC Y l Y1 Y3 F6 P 1 P I n P1 P l T5 TSlr TS_ FREL H PLLC LK A 7 HPLLCLK I 6 rcs0 3 l 24 t qn E 8 r E E F B F Et 6 E F E p 9 r loN H P L L C L K 2 6 RLPHA l 7 A L P H A O 7 HPLLCLK 2 6 D 0 t 7 FIGURE 13_7 Sub Convergenoe pCBSchematic Sheet1 of 3 ...

Страница 131: ...I afr l0h rrh w l 00n c80 ll00r 13 l0a c707 3lh c10B JCln ffi ADDRSEL ADDRSEL r c109 00r cl05 HPLLCLK t H P L L C L K I u sr E H ST E j 9r 0 08 t _ IIrcor w R175 l0r ta r is _tlce ttlsr q Elm o 54 7904 02P 54 7904 03P 06 90 O Co py rig ht1990by Electrohome Limited ConvergenceModule MODULESERVICING 13 1 ...

Страница 132: ... Pr3 PI P l 1 Pl0 P IC62 Pg T G 4208 P7 F6 P P1 P n P1 P R L P H R 0 7 HPLLCLK I HPLLCLK I 64 IC44 r lfA l5 m t l t r A B r t a I E t t v 9 t _ _ t ii H t i l F rc6s fit S rlcazoa r rc 1 Pg fr P1 P TS TSll TS PRfL H P L L C L K 2 7 HPLLCLK t 64 ftr n E tt 6 6 HPLLCLK 2 6 A L P H A O t 7 HPLLCLK e 6 ...

Страница 133: ...4 r cg J urr l oil 5rr n o 419 p 91o ca cl t r Ic67 i t 6 rcll lice iaim sjm HPLLCLK I ADORSEL FD DRSEL 698 llOtt th I R181 lt R191 10r U S I E H ST E s4 79O4 02Pl54 7904 03P 06 90 O C o p y r i g h t 1 9 9 0b y E l e c t r o h o m e L i m i t e d ConvergenceModule MODULESERVICING 13 15 ...

Страница 134: ... q Y l P3 Y l 9 P1 P l TS TSll TSL PREL R L P H A O t 7 HPLLCLK I H P L L C L K E HPLLCLK 4 64 H PLLCLK 2 7 P18 Pt7 P16 P15 Pl l P13 Ple Pl1 Pl0 P9 IC7 Pa Tlf 2208 e w rtt T P P1 YO P Yl n P1 3 P0 Y t t T5 Y6 TSll Y2 Tg o K Y PREL HPLLCLK I 54 I C42 3 l 24ti m M 1 1 E E B A na Ea E F E p 9 r ro H P L L C L K 2 6 A L P H A O I 7 H PLLC LK e 6 ...

Страница 135: ... czt 1 E llr a s J l s 5il noo HPLLCLK I RDDR SEL RDDRS L er0 a c l 1 0 1 cl o lc itcs ij oa iqcs Jtcp l 16 ifo Eil s4 7e04 02p s4 7904 03p 06 90 O C o p y r i g h t 1 9 9 0b y E l e c t r o h o m e L i m i t e d U S IZ E H SIZE ConvergenceModule MODULESERVICING 13 17 ...

Страница 136: ...01P 14 00519 02P 14 000513 1 P 14 000533 01P Descrlption cY7c2B1 1024X I bit PROM M2018 100JC 44 PGA XC1736 l F serialconf PROM PALCE29M16 PAL programmed 74F126 tri statenon inverting buffer PALCE16V8 PAL programmed CE22V 10H 25CNS PAL programmed 27C512 17OFM 8tK X I UV EPROM programmed 74HC590 I bit binarycounter 74HC74 H CMOSdual D flipflop MM74HC4538 CMOSmultivibrator TL0B2BC linearop amp 74HC2...

Страница 137: ...7005 11P ffi 122015 1 1P 80 110015 11P 80 110035 11P 80 118015 11P 80 120015 1 1P 80 182015 11P 80 12lm15 1 1P BO 110045 11P 80 162025 1 1P 80 147085 1 1P B0 139015 11P 80 122035 1 1P ffi 122025 11P Descriptlon 1 5nF 1 NPO 10 nF SOY 20o o 4 7 nF 50Y 20o o 75U 10pF 25V supermini 0 47uF 50V t 20 33 pF 33 nF 100Vmylar 22 nF 100V 27 pF 1 n F 1 0 0 V 270pF 100V 10olo 470pF 1 5nF 100V 20olo 56 pF 100V 1...

Страница 138: ...ont R44 R45 R46 R55 R56 R63 Ril RN1 s4 7 9o4 O2pl54 7904 03p 06 90 O Copy rig ht19 90b y Electrohome Limited c73 c74 cg2 cg4 cg6 c98 c100 c102 c104 c1 16 cg3 cgs cg7 c99 c101 C103 9663303244P Resistors R163 R171 R179 R197 R195 R203 g0 1 10005 1 1P R1 R180 R196 ffi 127025 1 1P 680R 1 2W 50 6 metalfilm 10R 1 2W 50 6 metalfilm 160R 1 2W 50 6 metalfilm 270R 1 2W 506 metalfilm 20K 1 2W 50 6 metalfilm 4...

Страница 139: ...2 R188 R170 R198 R204 R206 80 120025 1 1P 20K 1 2W 5 metalfilm R167 R175 R183 R191 R199 R207 B0 1 10025 1 1P 10K 1 2W 5olo metalfilm R169 R177 R1 5 R193 R201 R209 80 147005 1 1P 470R 1 2W 506 metalfilm R170 R179 R186 R194 R202 R210 80 147085 11P 4 7R 1 2W 5olo Inetslfilm 54 79O4 OzPl54 7904 03P 06 90 O Copyr ight1990by Electr oho m e L i m it e d ConvergenceModule 13 22 MODULESERVICING ...

Страница 140: ...ta lineD 0 digitalin output datalineD 1 digitalin output datalineD 2 digitalinloutput datalineD 3 digitalin output datalineD 4 digitalin output datalineD 5 digitalin output datalineD 6 digitalin output datalineD 7 fit T u l o u L ou li TT X J T connectedto Pin29 5 VDC ground GND connected to Pin31GND Row C analogoutputBV CONV Bto BVpeak analogoutputBH CONV 8 to BVpeak analogoutputGV CONV Bto BVpea...

Страница 141: ...STRATIONS Figure 14 1 Video Control Module Component Layout 14 2 VideoControl Module Schematic Sheet 1 of 2l 14 3 VideoControl Module Schematic Sheet 2 of Zl 14 4 Hysteresis PCBComponent Layout 14 5 Hysteresis PCBSchematic LISTOF TABLES 14 1 VideoSelection Page 14 1 14 2 14 2 14 11 14 15 Page 14 4 14 5 14 7 14 8 14 9 s4 7904 02PI 54 7904 O3P 06 90 O Co py righ t199 0by Electrohome Limited 14 2 Vid...

Страница 142: ...03P 06 90 O Copy rig ht1 990b y Electrohome Lrmited MODULESERVTCTNG 14 1 Vldeo Control Module multiplier reducesthe gain rangeto 0 to 2Y at pin 4 A differential outputcurrentis providedbetweenpins2 and 14 The output currentdevelopsa signalacrossthe resistorpairsconnectedto thefilteredand regulated 10V supply R135 R136 R134 R140and R141 R142 The small signalgeneratedhas to be amplified Red greenand...

Страница 143: ...aracterPROM Addresses C 0 to C 2 are the character row count They select the row in the characte s bit pattern The row of the characte s bit patternis outputfrom PROMstorageto lC24 parallel in serial out shiftregister and shiftedout by HPLLCLK VideoSelection Thetest patterngeneratorand charactergeneratorare microprocessor selectable Select functions are processedby writingdata to the eXernaldata a...

Страница 144: ...VldeoControlModule 14 4 MODULE SERVICING 14 4 MODULE SERVtCtNc VldeoControlModule a a H 0_ v O I N N LIJ s l I n SolderSide Viewedfrom Compo o o o o o Component Layout ...

Страница 145: ... lH n ll o l l l l IrH ll n o i l l l l l l l t3ill t d u 3l l lr o o J I o l ff LN llili Hilr H l o lli o lli cJJ s4 79O4 02pt54 7904 03p 06 90 O Cop yrig ht19 90by Etec tr ohome Limited FIGURE14 1 Video Gontrol Module Component Layout ...

Страница 146: ...OUNTER HPLLCLK T O H Y S T E R E S I S P C B T H R O U G H I C 3 5S O C K E T H O R T U O N T A L A D O R E S S 6 E X E R A T O R HR ESET Pcl l ro HysrEREsrs l P C BT H R O U G H I C 3 5S O C K E T PR1 PC1 r l t _ lr PA1 PA1 PC1 PCl PAl PAI PC1 PCl FIGURE14 2 Video Control Module Schematic F g 6 R Sheet 1 of 2 ...

Страница 147: ...r f6b xHRTcH T O H Y S T E R E S I S P C B T H R O U G H I C 3 5S O C K E T DTB UID ENEILE e C L K c 2 O A SrilLO 8 0 8 5 e t S E f U F B exo r 5oTs HIEI T SH LD T E X T EO Video ControlModule MODULESERVICING 14 5 c 0 c 1 c B O T n s4 7904 02p 54 7904 03p 06 90 O C o p y r i g h t 1 9 9 0b y E l e c t r o h o m e L i m i t e d LEGE D RESIIST XSIRESilSTFIGEIS IN R OilS k Kll ofls ffi l t t Bofts L ...

Страница 148: ...G VideoControl Module Video ControlModule 14 6 MODULE SERVICING SCHEMATIC REFERENCE _ l r L l R VIDEO at pointPC1 2 G N D s4 7904 02p s4 79o4_03p 06 90 O C opyrr ght1990by Elec tro h o m e L im i te d c a C C o l J L r J J J J J ld 2CuSu rlr ...

Страница 149: ...R213 It Rta ff tr t 00n lll T CB loln 9l ove D1 9l l O9lrt F n C TIT ED SRFETY REF M C f CNTS grED B ar rH O CT R EPi SCE GNT pmTS 0 Y UllsLT SEFI IEE mltlq PffiTS utriT sEcTrril snFEw ctlfttENTs 7 7 a FIGURE14 3 Video Control Module Schematic Sheet2 of 2 6R EN 6R IN ue I lc1e6 lC0n 30r s r J T s t J J I I I Y P L I C I T P O E R C O N N E C T I O N S PI m rn isirin r ucc 12V e1 f r r J nreS t r a...

Страница 150: ...4 7904 03p 06 90 C C o p y r g h t 1 9 9 0 b y E l e c t r o h o m e L r r n r t e o rc8 t tge 91 rl lr 018 Y J 1 trI 019 I arv ll 41 A Rl r lr fa J liis Icror lo f r J SR1 16 Ssrm J e r Icroo tot l e r I t 5 U B I N S er c15 1 iir r tot I Rl tl I zrn l I 1 lr Icros 4 t o t T t t J j Ic1s l00n I s I v F r t0 I l q7 ra JF t 100n Slt I r ctt l cor l I v LECE D RESISTffiSTFI SISTFf E IS IN R OflS k x...

Страница 151: ...0b y E l e c t r o h o m e L i m i t e d jj SolderSide Viewedfrom ComponentSide n t l l C I I I lo t au3 3 1 1l U n c n F I L r l I I I I I r I l t lI l e I l t s n l l u ll n l l l u l l n l l H l l s I r l 1 I L J l J S vcccc o ffifl n i I l 1 ICCCOCOu v 8 ComponentLayout ComponentSide L t L FIGURE 14 4 Hysteres sPCB Component Layout ...

Страница 152: ...l 6 0 U N I H v _ 1 4 l I i l t l t l l i l r l 6 t o q o n n V r r 6 6 r l o t P P t t l 1 r l t l t l l l Ar Ar v _ F 6 l FfGURE 14 5 FfrsteresisPCB Schematic VideoControlModule MODULE SERVICING 14 9 s4 7904 02P 54 7904 03p 06 90 O Cop y righ t199 0by Electro home Limited ...

Страница 153: ...561 04P 66 433031 05P 66 310411 05P 66 310311 osP Description NE592DB differential videoamplifier MC1595L lineararithmetic 4 quadmultiplexer TL431C precision shuntregulator 74HC4053 high speedlogic TLC555C CMOStimingdelay 74HC590 8 bitbinarycounter 74S05 hex inverter 74HC191 4 bit sync up down counter 74AHCT165 I bit shiftregister 74LS593 B bit counter CY7C2B1 1024x B bit PROM programmed 20LBA PAL...

Страница 154: ...05P 66 447141 05P 66 433141 05P 84 422004 01P BB 174740 12P 86 622151 02P 86 610252 02P 66 422041 05P 7A 710023 21P 7A 747013 21P 70 768003 21P 82 375091 29P 70 710043 21P 70 724093 21P 70 747003 21P 41 000345 05P 70 710003 21P 70 710013 21P Description 100nF 50V 101tF 25Y 10 pF 50V 5olo NPO surfacemount 1 nF 50Y 2o o NPO 101tF 16V tantalum surface mount 330p F 16V 3 3pF 470pF 50V NPO surfacemount...

Страница 155: ...03 21P 910R 1 4W 5 surface mount R196 R201 70 751O13 21P 5 1K 1 4w 5olo surface mount R219 80 122015 11P 2 2K 1 2W 5o6 metal film R220 80 115015 11P 1 5K 1 2W 5 meral film A R221 R222 R221 8 F110095 11p 10R 1 2w s meratf m R23O R232 SAFEWCOMPONENT 4223 R239 R24O 8O 110015 11P lK 1 2W 5 meral film R224 80 191025 11P 91K 1 2W 5 metal film R225 80 110035 11P 1O0K 1 2W 5 metal tilm R226 80 118035 11P ...

Страница 156: ...73 01P 14 000513 01P 14 A00705 01P 86 610031 04P 89 000032 04P 86 647135 1 1P 89 000032 03P 80 147005 1 1P 80 120015 1 1P B0 1 10015 11P Descrlptlon MM74HC4538 CMOSmulti vibrator 74HC74 H CMOSdual D flip flop 74HC14 hex schmitttriggerinverter 1N914 075A 75V 2N7000 TMOS 60V 0 2A 4W 1OpF 1OnF 50V 20o o 470pF 100Y 2o o 100pF 50V 470R 1 2W 5olo metdlfilm 2K 1l2W 5olo Iretal film 1K 1 2W 5olo ffi talfi...

Страница 157: ...alin output datalineD 5 digitalinloutput datalineD 6 digitalin output datalineD 7 12Vpowersupply 12VDC 12Vpowersupply 12VDC 5V powersupply 5 VDC connected to Pin29 5 VDC ground GND connected to Pin31GND ConnectorP1 Row C Pin1 Pin 2 amplitudeinto 7Sr frequencyresponse Pin3 Pin4 amplitude Pin5 Pin6 amplitude Pin7 Pin8 amplitude Pin10 signallevel P i n1 1 contrastcontrolvoltage Pin12 contrastcontrolv...

Страница 158: ... Alignment 15 3 Component Layoutand Schematics 15 4 PartsList 15 5 Specifications LIST OF ILLUSTRATIONS Figure 15 1 BiasModule Removal Alignment 15 2 BiasPCBComponent Layout 15 3 BiasPCBSchematic 15 4 Focus PCBComponent l ayout 15 5 Focus PCBSchematic LISTOF TABLES No tablesare includedin thissection Page 15 1 15 1 15 2 15 1 1 1 5 1 4 Page 15 2 15 4 15 5 15 B 15 9 Bias Module MODULESERVICING ...

Страница 159: ...ch allow the G2 of eachCRTto be turnedoff for set up 54 7904 02P 54 7904 03p 06 90 O C o py righ t19 90by Electrohome Limited MODULESERVICING15_1 Bias Module 15 1 2 5 StaticFocus Thestaticfocuscircuitprovides an adjustable 8 9KV to 10 4KV focusvoltage to theCRTsfroma 17KV tapinthe HighVoltagemodule Potentiometers R26throughR2B of the focus board provideindividualadjustmentof the focusvoltagefor ea...

Страница 160: ...rewdriver Phillips screwdriver a TurnOFFthegreenCBTby movingSW2do vn Tum ONlhe blueCRTby movingSW3up Slidesivitch SWl STEP1 shouldbe in the down position The prolectsdlmage shouldbe blue a Turnthe room lightsoff Proiectan imageon the screen llA9 r l until the tocus atthe center ottheplcture srEP 2 Adiusr R d Focus f _ nr a TurnOFFthe greenand blueCRTS by movingslide switches SW2and SW3 down The pr...

Страница 161: ...rom Con o l O r Lfl n t r lO Ii s r 1 o I i m m f L_J LL r v r n l L r q O H J U I U o I T o r E l u u i i r a o r l f rl E t e t i llllnlg i_ P In I tnn 7 f i B 2 o l i L U E f r I L fT Ea r r ruo r l I r _ _ _ _ _ 1 S l u ll I I I r n a 8 r r r t 1 h i li l l l s l I l ll n l lI l l l l l I l l _ l I l z n l l l l N n u r r H l l l r r E E l l l I nn i l I n n ll l ftLl uul l l l a P i f l s F l...

Страница 162: ...a r T o o o o o o o o o o o o o o o o o J J J J J J r Side omponentSide 54 79O4 02pl54 7904 03p 06 90 O C op yr igh t19 90by Elec tro home Limited FIGURE15 2 Bias PCB Component Layout ComponentSide ...

Страница 163: ...I 1 B L U E I 1 I I qL 4t rtN l v 0 i e p 100 I I FRO I P2 O N H U I 1 O D U L E F R O I P 1 3 O N M O T H E R P C B rn 9 9V ln NO ONNECT l g 5 5 0 U frr NA lAXXEcr fgr do coNN CT riN 110u 2 0 0 v D c 1 5 0 U D C Fn NO CONNECT E1 13 uDc p 6ND ftr CLAl tP T fgr Q qoNNEc r fir 9rN rocus ELANK IIFI4 e P1 P1 1 P1 P1 P4 P1 P1 P1 P1 P1 P4 P1 P1 P1 P1 _ FIGURE15 3 Bias PCBSchematic TLIEI 12 A I P5 P5 P P...

Страница 164: ...E ILK L UEL ELUE 8A lso uDc 6 3 U D C ra uDc la uDc CLF TP BLUETT ELUEIA 8LT LEU L ttoro rx 10 t To P7 oN UrDEO 1 PcB T O P 7 O N U I D E O P C B PIX teoro I S C R E E N C U T O F F S R l t A Itl FIX T O P T O N U I D E O P C B 11 1 54 7904 C2P 54 7904 C3P 06 90 O C o p y r r g h t 1 9 9 0b y E l e c t r o h o m e L r m r t e d BiasModule MODULE SERVICING15 5 LEGE O RESISTMSIRESISTRI E IS IX R O C...

Страница 165: ...VICING BiasModule BiasModule 15 6 MODULE SERVICING SCHEMATIC REFERENCE EHTlNHlBlT at pointTP5 5CCnrS dl r i r GI D s4 79O4 O2Pl54 7904 03 P 06 90 O C o p y r i g h t1 9 9 0b y E l e c t r o h o m e L r m r t e d DYNAMIC FOCUSat pointTP6 i L l t l l i l l I I i 7 ...

Страница 166: ... o P F l t L 3 f E r i J J D g D I I E L E C T R O H O M E L T D L _ _ _ _ _ j R r 5 o r Component Layout rr t il u l g r 1 6 g o o g o t ot l I o l F o a l o t I r r e l I l r t o o a o 1 el s l l h H d c L r r e l I I t t O O H f u o o 6 5 LJ fi n e E_gore I l a fu J __9 C o o r l t l t l t l L J o n t l Solder Side Viewed from Component Side t l U o o o o o o o o o o o o o A N o o o o o o 6 A n...

Страница 167: ...ILofG m lt tfmofls t e tnTT 5r TILERRI E U eS fl CruISE TECIFIED CIIPRCIT IS TGFACITY IN r EIOIfAFE r n q FfflnS ttr rr tICFIFffi o c u u I T LEmt E K TED IITRE CRTTIH R F O C U S s_4 7 9O4 O2p 54 7904 03 p 06 90 O Co py righ t19 90by Electrohome Limited FfGURE 15 5 Focus PCBSchemaDb Bias Module MODULESERVICING 15 9 ...

Страница 168: ...T CA339 quad linear voltage comparator SAFETYCOMPONENT Qt 14 000889 01P MPSA44 smallsignalNPN 400V 0 3A 0 6W Q10 Q13 Q15 14 000881 06P 2N3904 NPN 40V 0 2A 0 35W Q11 Q12 Q14 Q16 14 000986 03P MJE340 NpN 300V 0 5A 20W Q17 14 A00705 01p 2N7000 TMOS 6oV 0 2A 4W D11 D1 4 D17 D22 D27 14 000513 01 P 1N914 diode 0 07SA 7SV D12 D13 D28 14 000525 53P 1N4003 rectifier diode 14 200V A D19 D20 D21 14 000533 01...

Страница 169: ...60R 1 2W 5olo metalfilm 100R 1 2W 5 carbon 3 6K 1 2W 5olo ffistalfilm 10K 1 2W 5olo lrstdl film 12K 1 2W 5olo metalfilm 3 3M 1f4V l 5o 15K 1 2W 5 metalfilm 24K 1 2W 5olo metalfilm 180K 1 2W 5olo In talfilm 7 5K 1 2W 5olo metalfilm 4 7K 1 2W 5olo motalfilm 150R 1W 57o SAFEW COMPONENT 2 2K 1f2W 5o o dynamic focustransformer rightangleslideswitch argonlamp spark gap T2 SW1 SW3 SG1 SG2 BiasModule 15 1...

Страница 170: ...25 R126 R129 R147 Rl50 46 500004 01P 41 00251 1 1P 80 1 10045 1 1P B0 222055 23P B0 130035 1 1P 80 139025 1 1P 42 000128 01P 80 151035 11P MPSA44 smallsignalNPN 400V 0 3A 0 6W 22OO pF 10KV 35M 10o o potentiometer 1M 1 2W 5 metalfilm 22M 1 2W 57o metalfilm 300K 1 2W 5olo lr tal film 39K 1 2W 5olo Irl t tl film 44 8M 2W 5o o highvoltage 510K 1 2W 5olo rTl tal film 54 79O4 O2PI54 7904 03P 06 90 O Cop...

Страница 171: ...rabola NOTE Forversion02P the followlngapply TP6bfas 72VDCnom vertlcalparabola 160vp p nom horlzontalparabola 240Vp pnom Electrlcal FocusClrcult Plug4 pin11 ELECTRICAL FOCUSinput Signal Level 0 to 10VDC I n p u t R e s i s t a n c e 1 0 K r m i n Plugs 6 7 I RGBFOCUS output master focussetto center Signal Level 8 9to 10 41 individual controls setat minimum master focusrange Plug5 pin8 EHTlNHlBlT2 ...

Страница 172: ...v o a 0 5mA nom MODULE SERVICTNG 15_15 BiasModule Pfug5 pin3 550V l o o Load Current 9mA nom NOTE Thls pln ls not requlredon version 02p Plug4 pin2 VideoB 150V LoadCurrent 3mA max Plug4 pin6 12VDC Load Current 30mA Plug4 pin5 12VDC LoadCurrent 30mA s4 7904 02p 54 7904 03p 06 90 O Copyright 1990by ElectrohomeLimited BlasModule MODULE SERVICING 15 15 ...

Страница 173: ...LUSTRATIONS Figure 16 1 HorizontalDeflection 16 2 HorizontalDeflection 16 3 HorizontalDeflection 16 4 HorizontalDeflection M o d u l e A l i g n m e n t ModuleComponentl ayout ModufeSchematic Sheet1 ot 2 ModuleSchematic Sheet2 of 2 Page 16 2 16 4 16 5 16 7 HorizontalDeflectionModule MODULE SERVICTNG Page 16 1 16 1 16 2 16 9 16 13 LISTOFTABLES No tablesare includedin this section s4 7904 03P 06 90 ...

Страница 174: ...le Pullthe moduleout of its slot s4 7904 03P 06 90 O Copy rig ht19 90b y Electrohome Limited MODULE SERV C NG 16 1 Horizontal Deflection Module b Insert the extender board into the Horizontal Deflection moduleslot Connect theHorizontal Deflection moduleto the eldenderboard STEP2 RegulationAdjust a Connect thedigitalvoltrneter between groundandtest pointP7 AdjustR93to produce a reading of 12 4t 0 1...

Страница 175: ...ris to be usedwith a 27 KHz c AdjustR86to lockintheimage Observe thevoltmeter computer source it maybe necessary to oflsettheRgB reading adjustment d AdJust R86untilthevoltmeter reading dropsby0 2to d Replace theshortbetween testpointsP3andP4 0 3vDc e Apply a 35KHzsignal to theproiector 16 3COMPONENT I AYOUT ANDSCHEMATICS f AdjustR66to lockintheimage Observe thevoltmeter Refer to thefollowing page...

Страница 176: ... g LE LjH u l l o d Y i l l E r r r l F 6LJsl l f EzIi J E Jvl lr3 H Li E i E Lr E r i u o v n J _ 1 m m E P r i 6 LE H g 5 nsJ il au lid h Fa u td o tl al la i I IHH I lr H i irl l l J r l r l t E r r i H l l l t r c z H o s L _ J 3 e l l o F l l l E H tr5 H a 9 d Ef fr Gs e tl i 6 l _ l H D l l f t l l T l o e l I n t r l i H l l o E l g o t l l l L l I I i J a sE E i _ x J l l l l G r l il IEE ...

Страница 177: ...il Side nponentSide ComponentSide FIGURE 16 12 HorizontalDeflectionModuleGomponentl ayout ...

Страница 178: ... lt I A O L I C1 fc45JA e U o lgrr I RELAY slJ B1 l r 1 1 6 V X l 0 O n n c10 eD rti v4 cai I o f r I M P L I C I T P O T J E R C O N N E C T I O N S ICr tc2 rc3 r c 4 IC6 I C l 0 TFII tEiI I C r 6 ICr I I C r 9 rc2 0 ICa r rca2 ICe 2 HC453A 7 1HC7 4 7 a L 5 3 9 3 2 a H C 0 0 2 4 H C 0 4 coa 0668 7aHC l53A 2 aHCtl53g 2 a L S 9 6 1H8itt ncl a5 e8 T L 0 A a S cn339 U nxt 45 a9 l L 0 8 4 u 0 6 3 0 7 ...

Страница 179: ...3 Horizontal Deflection Module Schematic Sheet 1 of 2 HorizontalDeflectionModule MODULESERVICING16 5 t crurtor Ftn CIilTDT ED SNFEW FEFT FEE COf T E TS roreo at urH D rcT REpr ffiI E r PFRTS OtY CO 6LLT SER tIf E mi nl PnRTS LTST SECTTD SNFETY CT PO NTS LEGE R SISTmSTRESISTfiCE IS IN R OfG KILOIG m l ifmol l a nTT Sr TU ERn CE t ESS oT F IsE SP CD IED OlPnGtT IiSrOTnCfTY IN e EIDSFfmS n MTFRFOS m ...

Страница 180: ... u S ldi v 16 6 MODULE SERV C NG Horizontal Deflectlon Module Horizontal Deflectlon Module 16 6 MODULE SERVICING SCHEMATIC REFERENCE G N D VERT 1 at pointPA1 10 l 5 m S a i v o _ G N D 54 7904 03P 06 90 O Copyright 1990by ElectrohomeLimited ...

Страница 181: ... S Y N C Rl3 Ir lF tl a f f T2 T F r c 1 0 s c4s 8 SPRRE COIIPONENT PRR TS rc1 1 Ic1 1 IC11 r _Ll l D F l l e F l l l c f L x t l l L J I l L t a l l 2 LS6 zi SS i 7r S l r lJ ...

Страница 182: ...Cl I H PHA5 I R131 R132 lHnnrg A r 1 r 5 l X m P l n q 6 t3 Rt07 1 lr rc6 cD 0ffi rc6 a0 rc6 cDa0668 V OELRY SU HPLL ES e U PHAS ____r I j t sst ore I I 54 7904 03P 06 90 O Copyright 1990by ElectrohomeLimited FIGURE16 4 Horizontal Deflection Module schematic sheet 2 of 2l Horizontal Deflection Module MODULE SERVICING 16 7 ...

Страница 183: ...05 03P 14 000531 32P 14 00530 38P 14 000515 9BP 8 410104 03P 8 410004 1P Description MM74HC4538 CMOSmultivibrator 74HC74 H CMOS dual D flipflop 74LS393 dual B bit digitalTTL 74HC00 quad2 inputNANDgate 74HC14 hex Schmitttriggerinverter CD4066BM l F CMOSquad biFETlatch MC14046 CMOSphaselock loop TLC555C CMOSdigitaltimer 74LS86 quad EXORgate 74HC123 dual monostable multivibrator MC14046 selectphaselo...

Страница 184: ...P 89 00033 06P 88 176821 3P 89 00033 03P 88 173340 2P 44 447102 5P 80 110095 11P w 147025 11P B0 110025 11P B0 168015 1 1P 80 182015 1 1P B0 147095 1 1P 80 1 10015 1 1P 80 110035 1 1P 80 1 68005 1 1P Descrlptlon 4 7ttF 50V 1 0nF 50V 1 1 nF 500V 10Vo ZSP 0 471tF 50V 2004 1plF 50V 82 pF 5 mica 2 2 ttF 50V 2oohelectrolytic 220pF 100V 50 6 NPO 47 1tF 16Y 0 221tF 50V 3 9nF 106 NPO 220tt F 16V 220nF 50V...

Страница 185: ...5 1 1P B0 151015 1 1P B0 147035 1 1P 40 121855 31P 40 122255 31P 80 136005 11P 41 000344 9P 80 127005 1 1P 80 110005 11P 80 147085 1 1P 80 151025 1 1P Descrlptlon 1 5K 1 2W 596 metalfilm 27K 1 2W 5 metalfilm 4 7K 1 2W 50 6 metalfilm 2 2K 1 2W 5 metalfilm 180K 1 2W 596 metalfilm 6 19K l 3W 196 metalfilm 1M 1 2W 596 metalfilm 56K 1 2W 50 6 metalfilm 51K 1 2W 5 metal film 10K carbontrim pot 12K 1 2W ...

Страница 186: ...321 1 29P 82 39091 1 29P 40 121065 31P ffi 122025 1 1P 42400079 BP 42 000079 10P Descrlptlon z OK 1 3W 10 6 metalfilm 1 21K 1 3W 196 metalfilm 2K carbontrim pot 16K 1 2W 596 metalfilm 3 32K 1 3W 10 6 metalfilm 9 09K 106 10M 1 4W 5 metalfilm 22K 1 2W 5 metalfilm 100K precisionthermistor 20K thermistor 2 HorizontalDeflectlonModule 16 12 MODULE SERVICING 54 7904 03P 06 90 O C opyright1990by Electroho...

Страница 187: ...990by Electrohome Limited MODULE SERVTCTNG 16 13 Horlzontal Deflection Module ConnectorPl Row G Pin1 analoginputH HOLD horizontaloscillatorlock inrange manualmode SW 5V low band 15 7to 35 KHz high band 24 to 54 KHz auto mode SW 0V lock inrange 15 7to 54 Hz pull inrange 500Hz min Pin5 analogoutputSPOTKILL Pin6 analogoutput VIDEOKILL Pin8 analoginputSYNC composite vesync 1Vpeakmin Pin9 analoginputH ...

Страница 188: ... 17 5 Specifications Schematics Page 17 1 17 2 17 3 17 9 17 12 LISTOF ILLUSTRATIONS Figure 17 1 ModuleAlignment 17 2 ModuleComponent Layout 17 3 ModuleSchematic Sheet1 ot 2 17 4 ModuleSchematic Sheet2 ot 2 Page 17 3 17 4 17 5 17 7 LISTOFTABLES No tablesare includedin thissection 54 7904 02 P s 4 7 90 4 03P 06 90 O C o p y r i g h t 1 9 9 0b y E l e c t r o h o m e L i m i t e d VerticalDeflectiona...

Страница 189: ...emitter voltageissetto 0 6V aboveitsbasevoltage this MODULESERVTCTNG 17 1 Deflectionand HorizontalRegulationModule alters thevoltage at thejunction of R63 R10B andR147 Thevoltageis appliedto the analogswitch via R1 47 ll is adjusteduntil the oscillatorfrequencylocks to the incomingsync In the eventof syncfailure the oscillator will runfree maintaining verticaldeflection 17 1 2 3 Vertical Ramp Circ...

Страница 190: ...illips screwdriver a Remove the back panelas describedin Section5 2 b Locate theVertical Deflection Horizontal Regulation modulein the rear panelcard rack Usingthe printed circuitboard extractor fromthe tool pouch pull the modulefromthe card rackas describedin Section5 2 Vertical Deflectionand HorizontalRegulationModule 17 2 MODULE SERVICING 17 2 2Alignment Thefollowingprocedureprovidesinstruction...

Страница 191: ...the H lNHlBlTLED tf the LED is OFF then the procedureis complete lf the LEDis ON turnthe projectorOFF g AdjustR135slightly clockwise CAUTION h Repeat steps6 and7 untiltheLEDis OFF DO NOTUSETHE EXTENOER BOARDFORTHIS PROCEOURET R135adlustment wlll requtre phystcal removal andInso on ofthe module 17 3COMPONENT LAYOUT ANDSCHEMATICS a PresstheSIZEkeyon thekeypad Refer to thefollowing pagesfor component...

Страница 192: ...l l o n 0 LFo R r n 9 r 3 _cC_l v c o q l4 E F6 H H R A o EE E o ec 63 a t o ffi Jl f Cl H l l l l F l l c r c r a n l l u 5 l l iu H fi I l f i H l 1 1 R r t J g I f lcsr Re El ra g Rr o o I l R s c E R I o ___E c s r l I l m m A Fr t H A l I t t s r r EH l l l I I E 6 i U ll 7 X M N l l J a l l H U VJ ii I l t r r s n t t oo m Eu 1iio L_J ora c _l c17 c6l r 1 I r l c_l vertical Deflectlonand Hor...

Страница 193: ...o o IIIIH H o o o u Je onentSide ComponentSide FIGURE 17 2 VerticalDeflection Horizontal RegulationModuleGomponent layout 54 7904 02p 54 7904 03p 06 90 O Co p yrr ght199 0by Elec tro home Limited ...

Страница 194: ...P L I C I T P O T E R C O N N E C T I O N S c ta DIft F a l llfl ftJ I 1 5 6 7 9 1 0 TL0S t 8 clxtrlG c4339 81 cA339 B TLO8 f B D6 30 7 DG3 l7 CD f 0 tgB TL08 1 Br 1 1 6 3 3 4 1 1 I 1 ts t B5 8 f 8 t B f B t uD1 8 t 1 V 5U 1 U 1 a v 1 2 U 1 2 U N C t e U 1 1 I L 1 2 1 1 I 7 I 1 1 RE A2 A2 A 1 U sHo 6NO 6ND l e u l e v GNO vsl 1 U FIGURE17 3 Vertical Deflection Horizontal RegulationModule Schematic...

Страница 195: ... 5 TtLERnt E ir Ess FHISE SFECIFIED S lFPrcfTY IN r EIC FARAG S Irffitns ffi l fllcfu ffiG I U T LERF GEI TED RE CRrrrcfl Ftn C TNT EC SFFETY REFLACE CDFC O TS mreo rrftuTH o Acr R Fr ecEr rt FFnTS O Y CI ILT SERUIEE r fl tt _ FRRrS I tsr sEcTIIlt ETY ulf EtTs M TIIil 5 4 7S 0 4 02 Pi 5 4 90 4 0 3P 06 90 C o p y r g h t 1 9 9 0b y f l e c t r o h o m e L r n i c d Verlical Deflection and Horizonta...

Страница 196: ...ionand HorizontalRegulationModule SCHEMATIC REFERENCE Gl l D vertical Deflectionand HorizontalRegulationModule 17 6 MODULE SERVICTNG C C l G N D 54 7904 Ozp 54 7904 O3p 06 90 O C o p y r r g h t 1 9 9 0b y E l e c t r o h o m e t i m i t e O V DRIVEat pointPA1 3 A I A l 1 IV _ l V ...

Страница 197: ...PCl 1 2 FIGURE 174 VerticalDeflection Horizontal Regufation ModuleSchematic Sheet2 of 2 ...

Страница 198: ... csg Jl a elel c60 1I F E R R I T E I B E A O I EUC K C ON UER TER GROUN O OFFSET DC UAR DC DEFL 815 54 7 9a4 02P I 54 7 904 O3P 06 90 C o p y r i g h t 1 9 9 0 b y E l e c t r o h o m e L i m r t e d Vertical Deflection and Horizontal Regulation Module MODULESERVICING 17 7 ...

Страница 199: ... Description TL0B4CN quad biFETlinearop amp CD4098BE CMOSdual mono multivibrator SGSTDA1170S linear vertical deflector CA339 quadlinearvoltagecomparator DG307C f lfF analogCMOSgateswitch TDA4716A SMPScontroller MC14049U8 l F logicCMOSbuffer 2N3904 NPN 40V 0 2A 0 35W MPSUlO NPN 3OOV 0 5A 1W 1RF731 hexFET 350V 2N3906 smallsignal MJE34O NPN 3OOV 0 5A 2OW 2N5061 SCRthyristor MJE3sO PNP 3OOV 0 5A 2OW 1...

Страница 200: ...2 000134 01 P B0 1 33025 1 1P B0 147015 1 1P 80 115035 11P B0 1 10045 1 1P B0 1 30025 1 1P 80 122095 1 1P B0 118025 11P 80 122015 1 1P B0 139015 1 1P 10 nF 500V 1oo o ZSP 330nF 63V 10 100pF NPO 470tt F 16V 221 tF 250V 390 pF 500V 10o o 470trF 10V 47 nF mylar 220pF 100V 10 4 7 nF 100V 10o o rnylar Description 47K 1 2W 5olo metalfilm 39K 1 2W 57o metalfilm 1R 1f3w 5o 1K 1 2W 5olo m t tl film 1 6K 1f...

Страница 201: ... 57o metalfilm 220R 1 2W 5olo met lfilm 3 9M 1 4W 5 12K 1 2W 57o metalfilm 10R 114W 57 TC SAFEW COMPONENT 22K 1W 5 390R 1 4W 5 TC 100R 1 2W 57o metalfilm 3 3K 1 2W 57o metalfilm 50K carbontrim pot 5 1K 1 2W 5olo ffietalfilrn t0M 1f4 N 5o o 27AK 1 2W 57o metalfilm 180K 1 2W 57o metalfilm 6 2K 1 2W 5 metalfilm 390K 1 2W 5 metalfilm 47K 2W 50 o 33K 1W 5 500K carbontrim pot 5K carbontrim pot 56R 1 2W ...

Страница 202: ...4 200Vpowersupply 200VDC current range 128to 300mA Pin25 24Vpowersupply 24 VDC for LD9 currentlevel 5 mA max Pin26 24Ypowersupply 24 VDC for LDS currentlevel 5 mA max Pin27 12Vpowersupply 12 VDC currentlevel 45 mA max Pin28 12Vpowersupply 12 VDC currentlevel 160mA Pin29 5V powersupply S VDC for LD7 currentlevel 5 mA max Pin30 connected to Pin2g 5 VDC Pin31 groundGND Pin32 connected to Pin31GND Con...

Страница 203: ... 5 Specifications sEcTroN 18 KEYSTONE MODULE Schematics LISTOF ILLUSTRATIONS Figure 18 1 ModuleBlockDiagram 18 2 ModuleComponentLayout 18 3 ModuleSchematic Page 18 1 18 1 18 1 18 5 18 Page 18 1 1B 2 18 3 LISTOFTABLES No tablesare includedin this section s4 7904 02P s4 7904 03p 06 90 O Copyright 1990by ElectrohomeLimited KeystoneModule MODULE SERVICING ...

Страница 204: ...assembly and Access module item1 belour Modulelocatlon d Remove thetwoscrews atthebottomotthekeystone frontslld outltlck board item2 Too 3 EqulpmentRoqulred s LowertheKsystone module lromtheslids out rack 1 4 hex headsockstdriver 18 2 2 Allgnment 18 3COMPONENT TAYOUT ANDSCHEMATICS Thsreare no serviceable adlustments required tor the Refer to thefollowing pagesfor component layouts and Keystone mod...

Страница 205: ... q v i t rJ n o P 1 BUCK OUT l R l 0 5 r Rre El E zor i l R8 1 f A r t V f l l t l Component Layout lr U rl lJ o J SolderSide Viewedfrom Component Side r l J o l o 11 o o O J FfGURE18 2 KqstoneMdule Compnent layoU KevstoneModule 18 2 MdDULESERVICING s4 79o4 O2Pl54 7904 03 P 06 90 O Copyright 1990by ElectrohomeLimited ...

Страница 206: ...uct linHlltTot ox HEnT Slxx ut Dc DetL PT t cr Los aa uoc LEEE O ESTESIRESISTSGE IS IN R IIG r Kn ofc t n t ofG t e InTTr llr TILEn GE rf EGS ODC IG FEtrIFIED ORFRETTU TonFRGIW D r EID fffi I r l fffi Q l ttDRlFffi o c H v t nl rcE l t H FE CNtrTIDf F GURE 18 3 KeystoneMdule Schematic Kevstone Module MODULE SERVICING 18 3 ...

Страница 207: ...0 424735 01P Description 1RF520 hexFET 100V 2N3904 NPN 40V 0 2A 0 35W 2N3906 PNP smallsignal 1RF9630 hexFET 200V S2530A npn 400V 100W BAV20 diode 0 25mA 150V 1N914 diode 0 075A 75V 1N5247 zenerdiode 17V 5W 5olo 10p F 250V 1 0 p F 3 5 V 47K 1l2W 5olo Iilet lfilm 1K 1 2W 5 metalfilm 3R 5W 5 Nl SAFEW COMPONENT 10K 1 2W 5olo ITI tal film 4 7K 1 2W 5 metalfilm 27K 1lzw 5olo fTlet tl film 160K 1 2W 5olo...

Страница 208: ...2VDC Pin2 analogoutputVAR DC DEFL BUCKOUTDC voltagedrop 13VDC Pin3 groundGND Pin4 analogoutputBUCK LOW 0 01 VARDC DEFL t 506 pin 5 24VDC voltagerange 23 to 25VDC Pin6 analoginputKEY WFM keystonewaveform fromWaveformmodule 8V P P 54 7904 O2Pls4 7904 03P 06 90 O Copyright 1990by ElectrohomeLimited Kevstone Module 18 6 mCiouLE SERVICING ...

Страница 209: ... 2 PowerDeflectionModuleRemoval 19 3 PowerDeflection ModuleAlignment 19 4 PowerDeflectionModuleComponentLayout 19 5 PowerDeflection ModuleSchematic 19 MOSFET PCBComponentLayout 19 7 MOSFET Assembly Schematic 19 8 AmplifierPCBComponentLayout 19 9 Amplifier AssemblySchematic LISTOFTABLES Notables included inthlssection Page 19 1 19 2 19 3 19 13 19 17 Page 19 1 19 2 19 3 19 4 19 5 19 7 19 8 19 10 1 9...

Страница 210: ...1 2 4 Output Stage Theoutputstagefor eachamplifier is a push pull super emitterfollower The horizontaloutput consistsof Q4 Q26 and Q30 the verticaloutput is Q5 Q24 and Q28 The stage has a gain of about 1 The averageoutput currentis kept below 1 88Aby safetyresistorsR15and R16whichact as fuses causingSCRsQ6 Q7 QBand Q9 to trigger R1B is a current sense resistor R17 provides damping 19 1 2 5 General...

Страница 211: ...om the module d Gentlypullthe VideoOutputmoduleawayfromthe CRT Note theVideoOutputmoduleis secured to the CRT by a smallamountof hot melt glue The loint betweenthe glue and the CRTshouldbreakwithout difficulty Oncefree restthe boardabovetheCRT e Remove the two Phillips screwssecuring the Power Deflection module to theupperrearextrusion asshown below e Carefully pullthe PowerDeflection Moduleoutfro...

Страница 212: ...elor rnaximum horizontal size oscilloscope and100Xprobe e AdjustR16ro produce12 V p patthedrainof 04 STEPI VerllcalHslghtPr set on theMOSFET PCB a Pressthe key on rhe keypadfor a crosshatch STEP3 Adlust Rast rWldth oattern a Connectthe videosourceto the projector Setthe b Press CONVERGE 2 RESET Converge centeronly horizontal frequency to 24 KHz redto greenandblueto green DONOTpressEXIT b AdjustLgu...

Страница 213: ...5 I I c 6 N cl8 t b f n Power DeflectlonModule 19 4 MODULE SERVICING UJ O I cl u F r 1 L J UJ c C B Ror E a C n J c63 T N c L o _ i i C E I o N tr SolderSid Viewedfrom Compc r 4 o o o o o o o t t l l l l G L U J P o o o o ComponentLayout o copyrisht leso by ril 13 1 13 ll ...

Страница 214: ... r l al df J L n o RR cEo 6 r o o l ilrt YH I W ffi Ja ll 1ru ryJ d r A n l l o o o o l l l l R o o l l e Y J _ Go O FIGURE19 4 Power Deflection llodule Gomponent layout ...

Страница 215: ... ry UFB VER T FLYBACK OU T PTN UF l iEIESTGi R SISTSGE IS IX R OIG k KILOfG fi ti iffilfls L lnTT 5r TILEnn E U ESS OI EFI ISE SP CIITED CFFfiGITIIS ORFACITY IX r ElDlfffi n lll Ff llls fi r XIlEfmG O C IJ V I TTLENCE I TED l fiE CRTTIDf TF I ft i2 x c I n ntD PRl PCI M TIII FIn Ctt TnlED SFETY REPT G q mreo rv HnH otrT REnrcere PMT i C Y CTII I T SER IDE rf r I rsT SEETXII SETY Cttf lO TS PR1 PCI...

Страница 216: ...J r J SND II CENT iTNE COIL Ft l r t l t L _ _ l l CENT FA1 H PC1 III11I s4 7904 o3P 06 90 O Copy rig ht19 90b y Electrohome Limited 4 2 f uDc ffil rauDc t r a u D c I H BXD HOR FLYSECX IAU OUT H 9EN8 Power Deflectlon Module MODULESERVICING 19 5 I l O S F ET P C B S C H E T R T T C t t t L__ _J t ...

Страница 217: ...Deflectlon Module PowerDeflectlon Module 19 6 MODULE SERVICING DEFLECTION PCBSCHEMATIC REFERENCE _ G N D G N D G N D horizontol flybock 54 7904 03P 06 90 O Copyright 1990by ElectrohomeLimited z c rf HFB at pointPC1 14 20uS div GATEDRIVE atQ22 orQ23 draln I I 2 0 t S l di v ...

Страница 218: ...o bi Er crrohon L m red MODULE SERVICING 19 7 5 0 1 8 9 5 0 2 P r 5 5 1 TI ll a llu I L gl L o o H H H t t t t t l U d U SolderSide Viewedfrom ComponentSide F J o ComponentSide S c p R R 5 E E D r t t q l l l l 8 l l A l l R r lJUELJ r u E G 8 F F rfii rfi l PaP3 p tqJ I EJ T l l l t u L J o o l l l t l L n z G ComponentLayout o o E o o ...

Страница 219: ...o H F C t i 5 q 6 H E n a U t o o F A I I o 3 t l ld c l c o F H c G G t o o a o iEB t G I F r EH B i f i o E F G tf FfGURE 19 7 MOSFEI Assembly Schema0b Power DeflectionModule 19 8 MODULESERVICING s4 7904 03P 06 90 O Copyright 1990by ElectrohomeLimited ...

Страница 220: ... PCBSCHEMATIC REFERENCE FLYBACK PULSEatQ4drain t JL Z C S lCi v MODULE SERVICING 1g g PowerDeflectlon Module Power DeflectlonModule MODULESERVICING 19 9 54 7904 03P 06 90 O C op y righ t1 99 0by Electrohome Limited ...

Страница 221: ...tlon Module FfGURE19 8 Andtfiq PCBW I aWn Pow r Defloctlon Modulo 54 7e04 o3p ros eo 19 10 MODULESERVICING o coPvisht leeo bvEr ctrohon Linir d ule a m ar ilt tr q t 6r a e4G a or t I Solder Slde Vlewed from ComPonentSlde ComponentSide ...

Страница 222: ...9HEei ri H Hsig E ul H u a I Er l HEH fIilF lj i e Fl r fF iEl mEs fl3 V P rj I J I I I I g P 5 n F g s c td I F q td c 9 5 s n t l l I f I I I I g n g r g 5 U 5 U 6 EI B PH g E FIGURE 19 9 tunplitier Assenbry henntic 54 7904 03P 06 s0 O Copyright 1990by ElectrohomeLimited Power DeflectlonModule MODULESERVICING 19 11 ...

Страница 223: ...P 1N914 diode 0 075A 75V 8W26 rectifier 0 5A 350V 8Y184 diode 0 002A 1800V 1N4003 rectifier 1A 200V 1N4739A zenerdiode 9 1V 1W 47p F 25V 2 2pF 250V 10 120pF 2olo NPO 470nF 63V 57o mylar 2 2 0 0 p F 1 6 V 10 nF 2000V 20 o ZSU 100nF 50V 100pF 25V 4 7trF 50V 180pF 1000V 20 47 pF 100V NPO 1 0 0 p F 3 5 V 680pF 100V 10o o 45ppm C 22 nF 100V Part No 14 002813 09P 14 003050 1 P 14 002836 01P 14 000881 06...

Страница 224: ...rbon trimpot 68K 1 2W 5olo 1Tl9t8l film 100K 1 2W 5olo metalfilm 560R 3W 5 330R 3W 470K 1 2W 5olo highvoltage 16K 112W 5 metalfilm SAFETYCOMPONENT 470R 1 2W 5olo Irletalfilm 1BK 1l2W 5olo ffist il film 4 7K 1 2W 57o metalfilm 47R 3W 50 o 1 0K 112W SYo SAFETYCOMPONENT lR 1W 5 SAFETYCOMPONENT 10R 1l2W 5olo mst tl film 1K 1 2W 5olo Irstsl film 1 5K 1 2W 5olo metalfilm 1R 1 2W 5o o SAFEW COMPONENT 240...

Страница 225: ... 5olo tTlstal film 750R 1 2W 506 metalfilm 1 1K 1f2w 5o o 91K 1 2W 5olo Instalfilm 4 7R 12W 596 metalfilm SAFETYCOMPONENT 3 9R 1 2W 5olo metalfilm 100R carbontrim pot 20K 1 2W 5olo metalfilm 9 1K 1 2W 5olo trl tdlfilm linearity lo bandcoil 10to 3q H widthcoil 2 to 1Qp H width coil SMPSchoke 22 mH linearity hi bandcoil 2 2K 1 2W 5o o 47R 1 2W 5olo rlstal film 64KHzpulsetransformer L1 12 L3 14 t5 Ml...

Страница 226: ... 1 1P 80 151005 11P 80 175095 11P ffi 122015 1 1P 80 168005 1 1P 80 1 12095 1 1P 2N3906 PNP smallsignal MPSWOS NPN MPSWss PNP 2N3904 NPN 40V 0 2A 0 35W 1N914 diode 0 075A 75V 100nF 50V 1 nF 100V 10 nF 100V 10o o 22 pF 25Y 100pF 25V 100R 1 2W 50 6 metalfilm 220R 1 2W 50 6 metalfilm 1K 1 2W 5 metalfilm 1 1K 1 2W Solo lR 1 2W 5 SAFEW COMPONENT 82R 1 2W 50 6 metalfilm 0 92R 2W 5 SAFETYCOMPONENT 4 7K 1...

Страница 227: ... peak Pin20 analoginputV DRIVE NOTE from Vertical Deflection Horizontal Regulatlonmodule 54 7904 03P 06 90 O Co py rig ht19 90b y Electrohome Limited MODULE SERVTCTNG 1g 17 PowerDeflection Module verticalsawtooth 6 to 13Vp p Pin21 analoginputv CENT NOTE from RemoteControl module verticalDC voltage 10to 10VDC analogoutput V SENSE yokecurrentx 2 5 Pin24 analoginputH DRIVE NOTE see HorizontalDeflecti...

Страница 228: ...CONV 0 to 1 2Ap p max H CONV 0 to 0 64 p p max Power Deflectlon Module 19 18 MODULESERVICING Connector P8 Yoke NOTE Yoke 21 0m16 1Por equlvalent Measure current wlth current probe Pin 2 R l 0 0 s h o r t e d V D R V E 1 l V p p signallevel 1 2Ap p retracetime 300p s min s4 7904 03P 06 90 g Copyright 1990 by EloctrohomcLimited ...

Страница 229: ...artsList 20 5 Specifications Page 20 1 20 2 2A 2 20 7 20 9 LISTOF ILLUSTRATIONS Figure 20 1 VideoOutputModuleRemoval 20 2 VideoOutputModuleComponent Layout 2O 3 VideoOutputModuleSchematic Page 20 2 20 4 20 5 Video OutputModule MODULE SERVICING LISTOFTABLES No tablesare included in thissection 54 79O4 Ozpl54 7904 03 p 06 s0 O C o p y r i g h t 1 9 9 Cb y E t e c t r o h o m e L r m i t e d ...

Страница 230: ...utvoltage at the collectorof Q3 54 79O4 O2P 54 7904 03P 06 90 O Copy r ig ht19 90b y Electrohome Limited MODULESERVTCTNG 20 1 VideoOutputModule ZenerdiodeZD1with R14 C5 andC7 setQ3 semitter voltageto 6V and basevoltageto 5 4V This setsthe collectorcurrentof Q2 to a constantvalue The basevoltageof Q2 is between1 0Vand 1 4V its emittervoltageis between0 5Vand 0 8V The current throughR13is between 5 ...

Страница 231: ...tlypulltheVideoOutputmoduleawayfromtheCRT Note theVideoOutputmoduleis secured to theCRTby a smallamountof hot meltglue Thejoint betweenthe glue and the CRT should breakfrom the CRTwithout difficulty d Disconnect the followingconnectors and leadsfrom the VideoOutputmodule focuslead to Biasmodule P3 ground Pl0 ground G2 to Biasmodule P B Pg videoinput FfGURE 20 1 VideoOuput Mdule Removal NOTE Prior ...

Страница 232: ...ponent Layout SolderSide Viewedfrom Compone 5 0 1 8 8 0 0 7 Pr 5 S 1 I t t t l l l t o z r rrcllElclB l l L r r l t l t l l ils l l c c l l tt r t_ jj LnJ ll I t t t 0 6 c p L I F 5 i l 5 0 1 8 8 0 0 7 P P 9 rss I alT_ l urDfo n ltll I UTPUT II IUI _ J l c 4 r L l J P 8 R O H O M EL T D ...

Страница 233: ...nentSide ComponentSide FIGURE2O 2 Video Output Module Component layout s4 7 9o4 02pls4 7904 03p 06 90 O Cop yr ig ht1 990b y Ete c trohome Limited ...

Страница 234: ...RDS D C U V I TTLEMT EH TED t fNE CRIEDR M TII I F n CTXTIT ED SFFETY REPI RCE C lftlC TS roTEDF al ITll o rcT REH RCEITENT PMTS lff CTI EII TSEFT IEE tf il Ifl PRRTS LIST SECTITI SRFEWCOf NTS P il T E T U I D E 0 B ltt l t J llli llCi L E V E L L9 llu ItJ 9t i I CLA14P G llu lAJ tr 014 f I r R11 7tl tt 06 ill J tt J llGl r t l I I I FIGURE2O 3 Video Output Module Schematic ...

Страница 235: ...l D9141 I ct7 lCu ra tr II I I 2 IC2 SM t_ _l I tf s I E 1l l Rrg rx Gtl l r cl6 1Cu lt tl I 1 D10 6fr Ipl I cqr tr cxrr urmtx Dortco Lrre ne I tIT teturcf tc Lrcg f rx Tl f Flr Lo r I I g F R3l rll lr RA tx 5 4 79O4 02pl54 7904 O3p 06 90 O C o p y r i g h t 1 9 9 0 b y E t e c t r o h o m e L i m i t e d 2 J wa D1e t 7ol t r I F ta l Egr yr w2 Dil ry0 tfl Video OutputModule MODULE SERVTCING 2O 5 ...

Страница 236: ...deo OutputModule SCHEMATIC REFERENCE CATHODEat POINTK I 0 S cl r G N i 54 79O4 O2Pl54 7904 03P 06 90 O C o p y r i g h t 1 9 9 0b y E l e c t r o h o m e L i m i t e d _ 1 r a 1 r I L L Video OutputModule 20 6 MODULESERVICIttC ...

Страница 237: ...933003 24P 70 756083 21P 70 710093 21P 70 739003 21P Description MMBF4392 FETtransistor surfacemount NCH 5V MMBR901 RFNPNtransistor surface mount MMBR536 RF PNPtransistor surfacemount 2N5109 NPN 20V 4A 2 5W 2SC3782 NPN 2SA1476 PNP MMBD7000 switching diode surfacemount MMBD914 switching diode surfacemount MMBD2836 switching diode surfacemount MMBD2B3B switching diode surfacemount MMBZ5233 SOT 23 ze...

Страница 238: ...H inductor 27 000011 09P argonlamp sparkgap 42 OOO079 08P 100Kprecision thermistor 70 733083 21P 3 3R 1 4W 5 surface mount 70 910093 24P 10R 1W 57o surfacemount 70 768003 21P 680R 1 4W 5 surfacemount 42 144715 02P 470R 10W 50 o 42 145615 02P 560R 10W 5 70 910003 24P 100R lW 570 SAFEW COMPONENT 4O 221015 37P 100R 1f2W 5o o 40 421045 07P 100K 1W 7O 822O13 23P 2 2K 1 2W 5 surfacemount 70 710013 21P 1...

Страница 239: ... e r s u p p l y signal level 6 3VDC min Pin 10 analog input BLKLEVEL s i g n a l l e v e l 0 t o 7 2 V D C P i n 3 1 2 V D Cs u p p l y NOTE nol used P i n 4 1 2 V D Cs u p p l y C o n n e c l o P 9 c u r r e n t l e v e l 8 0 m A m a x typical current 60mA Pin1 analog inputvlDEo INPUT NOTE lV tr p Into 75ll max P i n 5 1 2 V D C s u p p l y current level 80mAmax Connector P4 l y p i c a l c u r ...

Страница 240: ...and Schematics 21 4 PartsList Page 21 1 21 1 21 2 21 2 Page 21 1 21 2 21 2 LIST OF ILLUSTRATIONS Figure 21 1 Remote JackRemoval 21 1 Remote JackComponent Layout 21 2 Remote JackSchematic LISTOFTABLES No tablesare includedin thissection s4 7904 02PI 54 79O4 O3p 06 S0 O C o p y r r g h t 1 9 9 0b y E l e c t r o h o m e L r m r t e d RemoteJack Assembly MODULESERVICING ...

Страница 241: ...helR remotekeypad b MovetheRemote Jackbackplateabout2 awaylrom 21 2SERVICING ANDALIGNMENT theproiector anddisconnect theM23 P1 connector The assembly withthebackplate mayberemoved 21 2 1 Dlsass mbly andAcc ss Modure Locailon 3 iJ X J lT n theRemote Jack rearoanelcardrack 21 2 2Allgnmentand Adjustments TheRemoteJackAssembly does not requirealignment s4 7904 02P 54 7904 03p 06 90 O Cop y right1 99 0...

Страница 242: ...t lau STIY P1 S Ii FIGURE 21 3 RemoteJack Schematic 21 4PARTSLIST Item Ref Translstors and Dlodes D1 Resistors R 1 R2 Part No 14 000533 01P B0 1 10095 1 1P B0 1 10035 1 1P Description BATB1 Schottkybarrierdiode 10R 1 2W 5olo metalfilm 100K 1 2W 5olo ffiet lfilm RemoteJack Assemblv 21 2 MODULESERVICING 54 7904 02p 54 7 9 0 4 03 p 0 6 90 O C o p y r i g h t 1 9 9 0b y E l e c t r o h o m e L i m i t...

Страница 243: ...ssembly Page 22 1 22 1 22 2 22 2 LISTOF ILLUSTRATIONS Figure 22 1 FrontSlide out RackFanRemoval 22 2 RearPanelCardRackFanRemoval 22 3 FanFilterComponent Layout 22 4 FanFilterSchematic LISTOFTABLES No tablesareincluded in thissection Page 22 1 22 1 22 2 22 2 54 7904 02P s4 7904 0sP 06 90 O C o p y r i g h t 1 9 9 0b y E l e c t r o h o m e L i m i t e d Fan FilterAssembly MODULE SERVICING ...

Страница 244: ...NG 22 1 FanFilter Assembly 22 2 1 1 Rear PanelCard Rack Fan b Locate the fan and filter printed circuit board Disconnect connectorP1fromthe circuitboard c Removethe two screwssecuringthe fan to the rear frameas shown d Removethe Fan and Fan FilterAssemblyfrom the rearframe FfGURE22 2 Rear PanelCard RackFanRemoval 22 2 2 Alignmentand Adjustments The FanFilterdoes not requirealignment The projectorf...

Страница 245: ...MATICS 21 4PARTSLIST Item Ref Capacitors C1 Resistors R 1 R 2 Part No 44 447103 06P B0 115095 11P Description 470ttF 16V 15R 1 2W 5olo metal film GROUND rr wxr fotorlnltt wH2 iboFl t t R 2 l 5 n R 1 1 5 J t FIGURE 224 Fan FifterSchenntic s4 7904 O2Pi54 7904 03P 06 90 Copyr rgnt1990by Electr oh o m e L i m it e d Fan FilterAssembly 22 2 MODULESERVICING ...

Страница 246: ...c 23 4 PartsList Page 23 1 23 1 23 1 23 5 LISTOF ILLUSTRATIONS Figure 23 1 MotherBoardAssembly Removal 23 2 MotherBoardTerminalLayout 23 3 MotherBoardSchematic Page 23 2 23 2 23 3 LISTOF TABLES No tablesare includedin this section 54 7904 02Pl54 7904 03 P 06 90 O C o p y r r g h t 1 9 9 0b y E l e c t r o h o m e L i m i t e d Mother Board Assembly MODULESERVICING ...

Страница 247: ...for instructions central f Remove the hexheadscrewssecuring the projector Tools EqulpmentRequlred bottomplateto theprojector frame SeeFigure23 1 Phillips screwdriver 1 4 hexheadsocket g Withthebottomplateremoved remove thetwoside screws whichsecure theMotherBoardbackplane tothe a Referring to Section5 removethe followingcovers projeclor frame andDanels h The MotherBoardAssembly can then be removed...

Страница 248: ...iit ilI t i i l t t r i l i l l tdtt tdu E E t r t l f f i g Eillil Eiill Fiilil Erill t i t i l t E i t t l lrilil E3tt l EiilFEiili Fiiilt Eliil Eiilll Eiill dlj du E t r ffi r 119 1 n Ttn tr wffiffi ffiI adEiilt Eiilll flr rydffi F GURE 23 1 Mother Bmrd AssemblyRemorral F GURE23 2 MotherBmrd Terminallayout s4 7904 02P 54 7904 0 3P 0 6 9 0 O C o p y r i g r t 1 9 9 0b y E l e c t r o h o m e L i...

Страница 249: ...a A D 6 Ir_or3 6 P A D 7 Ls eclc7 g D 8 isr iC c7 J6 ID A D 9 tD __ rcc F oFF 1T ikrlca URR CC DEFL n __ _CFce JAe I I F ofi 9 1 qI EIF_ U RT B_ ts H D R T U E t HFBl txlF _ tc8 _ GrcS a bJcs H A tl Sl l DJca THERI AL SENS A D 1 3 1 4 e 6urc lc7 r t r E F A O 1 5 ilev 3 icg c7 iJft TI ffi o rc rffi E i 1 5 0 U D C prcE errpJc 6 3 U D C Pls D 1 2 U D C er3 GD 1 U D C prs E p13 rz q prs rn9 9 Pr3 D ...

Страница 250: ...fl ffi rF c o lro 6 FBArsr ll il r rr1 1r r cN d il 6l EF l 1i u u rq i o s gld ll rc ro ee e arr ra ll rarp e e q r IfuJE 11 ll 1 f er ei ll DETATL 1 oErml er ffithe rss l 15i11T a lg t iSr i ro ff o rcs ilJ e rst qLUEEE rcall m g c g E an i i 9 s 4H E ls Ji_ 1s I fi l U il p J u 9 as ll r l ryr o i grcs i rA1 is r lsjJcl i i rAs iI0 l l i i o r q F i l p t v J I g_r ii t U su ii q ms jll BY Jc a...

Страница 251: ... Limited PartNo 34 000557 06P P15 P1 8 P22 P23 34 000813 04P Description 64 pinfemale 96 pinfemale 6 pin lockingtype 4 pin lockingtype 16 pinlockingtype 6 pin0 156 squarepin 0 156 squarepin MODULE SERVTCTNG 23 5 MotherBoardAssembly 34 001056 02P 34 001056 03P 34 000813 16P 34 000820 06P 34 000820 1BP Mother Board Assemblv MODULESERVICING 23 5 ...

Страница 252: ...23 6 MODULESERVICING Mother Board Assembly NOTES Mother Board Assembly 23 6 MODULESERVICING 54 79A4 02Pls4 7904 03P 06 30i C o p y r r g h t 1 9 9 0b y E l e c t r o h o m e L r m i t e d ...

Страница 253: ...TRATIONS Figure 24 1 ScreenConvergence Points 24 2 ACONFunctionBlockDiagram 24 3 SensorQuadrants 24 4 ACONControlBoardComponentLayout 24 5 ACONControlBoardSchematic Sheet1 of 2 24 6 ACONControlBoardSchematic Sheet2 of 2l LISTOF TABLES No tablesare includedin this section Page 24 1 24 3 24 5 24 11 24 13 Page 24 1 24 2 24 4 24 6 24 7 24 9 s4 79O4 O2PIs4 7904 03 P 06 90 O C op y right t99 0b y Ele c ...

Страница 254: ...matrixon the projectedraster Figure24 1 illustrates the positionof each convergencepoint in relationship to the internal crosshatch videopattern The positionof the red greenand bluecomponentimages are independently specifiedat each of these control points Positioning betweencontrolpointsis calculated by linear interpolation horizontallyby softwareand vertically by the Digital Convergence boardhard...

Страница 255: ... U1 U2 U3 and Ua which holdthe highestvoltagelevelsreceiveduntilselectively discharged The resultant peak signalsare fed to a 4 channel 12 bit analog to digital converter U9 Input rangeof the analoginputsis 0 5V Channelselection and initiation of data conversionis made via data bus D0 to D7 addressbus A0 to A15 and address decoded select lines SELO andSELT underthecontrol of the 80C154microcontrol...

Страница 256: ...emove the fronttop coverper Section5 2 1 f Fromthe lensarea pull out both ends of the Locator Cableand remove 24 2 2Dlagnostlcs ACON s softwareincludesa seruicingmode to assist when trying to identify or pinpoint the source of an automaticconvergence problem Whilein servicemode the servicetechniciancan 1 Auto converge at any specifiedconvergence point 2 Record and analyse sensory data for any spec...

Страница 257: ...ns r MX A hexadecimal value between 000 and CBO representingthe displacementof the ho izontal motor relativeto the home position MY A hexadecimal value between 000 and FFF representing the displacement of the verticalmotor relative to the homeposition Basedon the screeninformation it may be possibleto pinpointautomaticconvergenceproblems ldeally butimpractically theamountof lightmeasured in each q...

Страница 258: ...rAssembly Each end stop consistsof a rubber grommet with an eccentrically placedcenterhole Whenthe motorsmove to their home position the lens sensor component butts up againsteach stop Rotatingthe stop changes the physicallocationof the home position s4 7904 02P 54 7904 03p 08 90 O Copyright 1990by ElectrohomcLimited MODULESERV C NG 24 5 ACON Automatlc Convergence Optlon Thefinalendadjustmentof ea...

Страница 259: ...l l clf ft t t l l d L _ l l E og t l t l t l l l L_l P F tf N E g d frn tY t l L_l HH r l l I U I I O 11 t l l l LI O tl t l t l t l LI o _ _d _ t_l J 3 tltl i 3 ffi mt t j p 5 r 3 e f t l H p o flcll lot il r f o L_lu Ju 2o il uln ti H A nl I 3 O l l O s E u l I H L i p p r l s s g r l l n s n i nl1 E H 5 3 u lc s gi tf n Ue I I s G s l u U I I s 5 l l n i l N l I a l l l l L J 3 r D n B g i o g...

Страница 260: ... J O i O ffi rl ll lt L b r l l e v l l o o ll o I ll o l l o c l o z wl u r I o a o o v S de rcnent Side ComponentSide FIGURE21 4 ACON Control Board Gomponent Layout ilililllllilllili ...

Страница 261: ...z o o 4 9 z 1 lE A 15 2 c 2 5 M C 3 4 0 A 4 G U A D t r A N T2 C 4 6 R 7 R 1 2 4l n I I tTsr ix I I o r 4 l ___ ___ I c 2 M C 3 4 0 A 4 M C3 4 0 E 4 M C 3 4 0 8 4 M C 3 O A 4 U 1 r I t o 0 0 rFa ro EF A 1 l 3 6 I r l aNF I LAF I Ec c H Ar I r a n r lIo tTsi ir G U A D t r A N T3 c 4 7 F 1 3 G U A O t r A N T4 C 4 A F 1 9 I Pc 1 r l 1 l M C 3 4 0 8 a U 1 M C 3 4 0 A 4 U 6 A N F MYLAFI 1 00 v M C 3 ...

Страница 262: ...Ei ANO RA MAY OFI MAY NOT BE USEO 54 79O4 OzPls4 7904 03 P 06 90 O C o p y r i g h t 1 9 9 0b y E l e c t r o h o m e L i m i t e d X M O T O F I P H A S E1 V M N1 c o l c B 1 V R1 H l b V E z M A c o a M B 2 P H A g E E V M M 2 K 2 a 2 2 l FIGURE2 5 ACON Gontrol Board Schematic Sheet 1 of 2 AcoN Automatic conveltr SEh9 tsift8 24 T r i a eis ilFt PAM3g O v trEF C 9 A 7 A O o7 o OE o 4 S I G N l c ...

Страница 263: ... 2 8 l H t t I looNF I I r r I trfl I looNF I I L c c I i l H t l I rooNF I l c z 4 l I H I 100NF I vcc S I f r i I looNF I l c 4 o l tsH I looNF I l c 3 e I f i H I looNF I l c 3 a l I H oo I v r o n i I l E 4 B r o l o N o r l r t l I c 2 l l 4 r I l Rso I 4Mra a loFl s4 7904 02P 54 7904 03p 06 90 O C opy r ig ht19 90b y Electrohome Limited v I N v s H LT 1070CT oNo vc FB o A o lt c 7 4 1 r r c ...

Страница 264: ...104 03P 84 410004 01P 44 447103 06P 44 422203 0BP 89 000032 03P BB 176821 03P BB 173340 02P BB 1 71531 01P Descriptlon MC34084 op amp 74HC373 H CMOStransparent octallatch 74HC00 quad2 inputNANDgate 74HC02 quad 2 inputNORgate SDA0B12 12 bat A D converter P8M3960 dual D A converter P8L3771 precision steppermotordriver 74HC32 quad2 inputOR gate LM7BL05 ACZ 5V regulator TL431C precision shuntregulator...

Страница 265: ... 1 1P 100K 1f 2W 57o metalfilm R51 80 1 10045 1 1P 1M 1 2W 5olo rletdl film R29 R32 80 147015 1 1P 4 7K 1 2W 5 metalfilm R30 R31 R34 R35 80 1 15085 1 1P 1 5R 1 2W 5olo metalfilm R41 80 147005 11P 470R 1 2W 5olo metalfilm R43 80 1 15025 1 1P 15K 1 2W 5olo rnetdlfilm R44 80 1 15015 1 1P 1 5K 1 2W 5 metalfilm A 4 R49 R50 80 110095 1 1P 10R 112W 5 metalfilm CollsandTransformers L1 21 001459 01P 100 pH...

Страница 266: ...e Size onl 0 to 5V 5o o 2 micro stepping 650mAmaximum switch mode constantcurrent hybridstepper 0 9 400s r 2 phase bipolar 14VDC 3 0 0 m A m a x i m u m 13x15x1Ocm 5x6x4 OperatingPower fromprojector 5 V 5 V D C 1 5 A 12Y 12VDC 1S0mA 12V 12VDC 100mA Operating Environment empelature 32 to 95 F 0 ro gS C Humidity A l t i t u d e StorageEnvironment Temperature Humidity 0 to 90o NC 0 to 10 000ft 0 to 3...

Страница 267: ...h two End Instruction Codes hex1F Reference Figure A 1 Projectors can be programmed via the built inor a wiredkeypadto respondto Protocol1 or Protocol 2 SeeTableA 2 A controlsignalmustbe transmitted at least4 times Thecontrollinemustbe connected to the REMOTE SENSOR jackon the projector All signalsare encodedby a bi phaseencoder See Figure A 2 B I N A R Y D e h i g h _ cLocK lN i t or TPur _ B i P...

Страница 268: ...904 0s P 06 90 O C o p y r i g h t 1 e 9 0b y E l e c t r o h o m e L i m i t e d TABLE A 2 Wir Kelpad InstructionCodes Keypad Functi on HeX Code Bi nary Code MinimumNumberof T i m e s T r a n s m i t t e d E X I T H E L P S I Z E B POtJER FAST SLOI J SYNC SOURCE K E Y t T I N T H HOLD VOL C ON T L F O C U S 3 R D E T A I L 5 t o t L s t o p 1 V HOLD 5 M U T E P I N D t I l t r m u t e 0 N m u t e...

Страница 269: ...ke plug connections for other installation plugs Reference Section5 types referto Figures B 2to 84 b RemoveLowerCase SeeSection 5 RearScreenprolec on FloorMount c Locatelhe Yoko Plugs Thehorizontal andvertical Reversethe horizontaldetlectionplug P6 plug the yokeplugsarelocatedat thelop rearot the projector vertical deflection yokeplug P8 intoitsnormal position slightlybelowthecRT necks see FigureB...

Страница 270: ...he built in keypadsuchthatthe keypad sensoris next to the right side bracket seruiceman standing behindthe projector andfacingsamedirection as projectorlenses Thiswill ensurethe key labelsare rightsideup oncethe projectoris mounted STEP4 MOUNTTHE PROJECTOR Refer to the mountingprocedure in the SystemOwne s Manual STEP5 ALIGNAND CONVERGE THE PROJECTOR Settheinternal mounting configuration settings ...

Страница 271: ...essMiringDiagram s4 7 904 02P s4 7904 03P 06 90 O C o p y r i g h t 1 9 9 0b y E l e c t r o h o m e L i m i t e d APPENDIX C HARNESS WIRING DIAGRAM FfGUREE 1 Hames V liring Diagram Harness Wi ring Diagram APFENDiceS C 1 ...

Страница 272: ... OYNFOCUS dynamic focus SDA serial dataaddress EHT elitrahighlension voltage SEL select ELECFOCUS electronic focus SEL select active low FBKV SIZE vertical sizefeedback SMPS switch modepower supply G GAIN greengain STBY standby GHCENT greenhorizontal centering TTL lransistor transistor logic GHCONV green horizontal convergence TXD transmit data GND earth ground V A M SW vertical auto manual switch...

Страница 273: ... o h o m e L i m i t e d APPENDIXE INTERFACE SCHEMATICS The following interfaceschematicsare Includedwithin this appendix Multi standardDecoder PS 2 GPAnalog lnterface PC EnhancedInterface GP TTL Interface APPENDTCES E 1 InterfaceSchematics InterfaceSchematics APPENDICES E 1 ...

Страница 274: ...vq 213 J I v a_irl Y M I f 2 t t56 E LI II i r n r r j l I C 1 8 I I L D i 7 _s123 L ojq uf l r l l L rr i 1 i 2t lr x r 26 t t3 P l2l LSA t i a Ef r li O Ir E R31 ry ere r r VAAr a fi8 NC N C u L t ar G r F c r i r J 5v 9 Rz I u I N P U T I Y t o o t I x tlt t5t Y l o E 0 2 I x F I L T R E O N L O G S U P P L Y I a r sr __ t 2 t r 1 GI a s n iff DA I _ u tlt M c7t J I a a B 1 AE t5v r YID D l I t...

Страница 275: ... trgt 6 Y 9 a a71 t 9 i r a tr 9 a I Df 3 1 n r t i_ls12 r1r 1 e rDl e 3 6 P1 o l_ 41 pr l t P 1 1 I P l 6 icsea a 16a f a a Fc ru l 12 lr P r E e l vrv t r Tl J u i cr E PCf ll2 u E vct F e r r I a Z lltr i6v is fr t iTl I T at 114 5 i L 1 l ffi icoo atn a7F T _ j T I N T P 1 Ef Pcr tD J D E T I t f Yll lli tE I r G _ G F G t n l s 6 l li I lrco cF _ F 9 I r fi P r tlt Pcl t u I C C I 785sC I I x...

Страница 276: ...L E F T F I G H T 1 L E F T 1 H l L r n I C H t tI t 3 1 r r F57 rl 0 L U x E I X P A I FCt A U O I O I P A r PCI A U O I O I I P A I FCt IC22 fc tG6 Multi standardDecoderschematic sheet2 of 2 ...

Страница 277: ... rPl r P i _ f l F e l l l r l l l i l l r a t l l i l l l t i i F I 1E71 iC 7E tt cl l i e r 6 t t l l l I 671 7a fiLra I I I lry G I I t l n f t f f i l I l J fa Itr li r S I rn rn fl cr I tlr I t ro le Hl __l I n i c f l l r f f i 7 l l 1 1 f 9 l 9 r rrl L E F T A U O I O 0 U T N I 6 H T Fefl l 4 InterfaceSchematics APPENDICES E 5 s 7 s04 o2P I y 7 So O3P O8 9O f O C o p y r i g h t 1 9 9 0b y ...

Страница 278: ... ca a7tr rrL t 3 l Fll r3 t2 I N T E N S I T Y lC16 lC 79 trr I l t 6 l t f X O N O G A Ft13 I il_r s l f f I l t 6 t t N l l t t f i a I il H7 7 alA 7 Itv rfi r n t 3 td R N 4 rt rn sa a 3 rf T I rt l r i 97tJ u t I C 6 Lr6g2rr i m t r xoNo PS 2 GP Analog Interface Schematic Sheet 1 of 2 ...

Страница 279: ... r I N O F t X A L j t r Tj7 r __l I l o o f is i I lA Si rs g s Y N c lAz t nv u l l s 7 9o4 O2Pls4 79O4 03P O8 9O O C o p y r i g h t 1 9 9 0b y E l e c t r o h o m e L i m i t e d lnterfaceSchematics APPENDICES E 7 _Jy t t l I 019 __1Q11 Iot ft ot li t ...

Страница 280: ...a t i s r 5 1 F I ca r 1A IDI lc3 r r T I lc rtt TI I A F sI _ _ _ AnAr I tlh TF I rrq vCC 4a5 F r v EE r j lt i6r E r i T I ffi a T I I A rt t t _ c B t qt fii__ T r E t 4 t i i A Tr I t t I l RN3 rtl rt 3A lt i f 2 5 a t E l Jrlv_ r a I r r lcrs sR28 l l ff I E L U C E a t I c2 i r I I I I RJ i r PS 2 GPAnalogInterfaceSchematic Sheet2 ot 2 ...

Страница 281: ... x P i s Y N C I ourPUr I ffi9 1l n or r j cr L I c33 __r1 t a t ttt F67 F _ s Y X c t J C32 e P e 16 R 137 j pa D 3 F x A L c 1 7 ar tlY I s 7 s04 o2P s4 79o4 o3P 06 90 C o p y r i g h t 1 9 9 0b y E l e c t r o h o m e L i m i t e d InterfaceSchematics APPENDICES E 9 zlr 1an I a i t l i 1 a f trl L i T tss I l e I i r 1 I t i li r I Lfl I t L I 7r s I I C l T N T E N S I T Y ...

Страница 282: ...C 6 l i a l F a rD o I r 9 l n IC8 6 a V2 CO g98 4Lsa6 a F tllg F1si 1 r 1 nn i i l l l eo EF I i ll rcs r_ ff _ Lsas i k __rf_ i I C 3 tma45T T I i r1 i_i_____j____ j___3c c i l m t i l _ _a f i r A s l l t j i t i 1 r tr5 t 4 t3 r o t u o s i r i s t sEc G P2 E _ff rq 611 E F13 4 f ll f ir j J e q e 4 t E j _ _ sEc I pa ffi f LJl f 1sr vlstt PRI e 72 Hr vEF s E c B P a m E v sYNC p fry r f r t t...

Страница 283: ... v T 3r a r I d b a lrr l R 2 1 1 r l 1 5 t ___ Pr c o t p s Y N r t I a G_Iec oL Pu 1 1 t t 3 D A 1 I e 1 ___4 ct 6 F Crt 1 y F___ flc1 8 r r c 1 a 4 7 f 18 p1 reg g o lt_r v Y Y r _ R28 re 1 S r_____ _ r I r B R34 ac ts zrF t rc l rcc1 C l rcc1 Interface Schematlcs APPENDICESE 11 l e c o p Y F G D R O p E a l lJTIOI O TIU ED SAFETY FEF AC CDIPOO T8 a avflrrrx Eucr FEFrr AcBr rvr r 5 otY coaslT F...

Страница 284: ...1 _ r a t LCr FFr r r r th L nC un i i r un r _ I I GFEEX t 6 a a a j t A t 3 a l t F Itrv l t 9 t 7i oo t j p F A r 4 r Y ir I 4 2 J tl a fi e t a T 1 l r e C n t 1 r f a C C X P C S I E 7 n 7 SyrC 4 T r s u 94 x E x S I a 2 T c 4 T _ t s l l 1 8 1 z t 1 r r1 5 T O U X T I X 6 X O L E S I a 2 7_r t 6 L P6 Tr n l v 1 L t r r l lAJ T I L l n a a 2p z 2 l j GP TTL lnterfaceSchematic ...

Страница 285: ...f qt I L o i 1 i t 4 1 a lx j 4 1 5 I t 4 l t d Ir g I l n j t F E O O U T P U I I I I I I I I 7 a A a q a 1 F 4 t i Y4 a JAI I G F E E N i o o s t T A 1 c o x P i S Y N C L t 1 n o U T P U T r t r F l A I I J F 1 o r t o t 4 l i r i r qfij t 1 S I t a j I r l 23 l hc L Itv r D F I lr 1 l F rt a rw l f la sw a aesa a t j lo a Y I A tg A o 21 l zg vt 03P o8l90 tl e i 1rtr1l l iZE b l F er tt rtrrte...

Страница 286: ...lete LowerCase withouttape or nameplate Tape 2 Charcoal NamePlate Converge DC Centering Assembly forCRT Convergence Module Yoke Deflection ExtenderCard FanFilterAssembly FoamShield Horizontal Deflection Module Keypad Fixed Keypad lR HandHeldRemote Keypad Protocol2 39 01453 01 P 33 000723 4P 33 000812 02P 03 270008 01P 03 230001 03P 03 230001 06P 03 230001 01P 03 230001 04P 03 230001 02P 03 230001 ...

Страница 287: ...odule VideoControlModule WaveformModule Wrench 7 16 fortool kit Yoke Clamp ECP4101only ACONControlModule ACON Locator Kit 3B 80C624 01 38 800630 1 03 270013 1 P 03 000215 01P 34 000604 26P 03 230299 02P 03 260101 02P 53 100996 03P 53 100996 5P 53 100996 04P 53 100996 06P 39 001524 O1P 03 000222 01P 03 000226 01P 03 230328 01P 03 000225 01P 03 270003 01P 03 260102 1 P 03 201043 1 P 03 270010 02P 02...

Страница 288: ...card is lo filled out and mailedto Electrohomewithin 7 days of the date of purchaseusingthe relurnenvelopeprovided 3 lf assistanc or guidanceis requiredon t chnicalproblems it is the dealerb responsibility to contact ElectrohomeLimited or the nearest authorizedservicedepot 4 Wherewarrantyseruiceis required it is the dealerb responsibility to insurethat the unit is packedand shippedprepaidto an aut...

Страница 289: ...155S Milliken Ave SuiteF Ontario California91761 Telephone 714 983 5660 FAX 714 983 es87 Factory Servlce Depot only ElectrohomeUSA 1989 Inc 70OEnsminger Road Suite112 Tonawanda N Y 14150 Telephone 716 874 3630 FAX 716 874 43oe Electrohome Europe Llmtted 7 CivicWay EllesrnerePort South Wirral Cheshire EnglandL65 OAX Telephone O51 356 1365 FAX 051 35s 0681 O Copyright 1990by ElectrohomeLimitqd s4 79...

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