Table Of Contents - Mitsubishi VS-4543 Service Manual

CONTENTS
SAFETY. PRECAUTIONS i ccciistsstces cad ctcnisceascspetbisschesinaczcticcsecsenad dvnesebescsborscbcennadetassens tein basleedidnatecas 1
REMOVING FRONT AND REAR CABINET COMPONENTS. >-+::-s:scescecsscseccccsscecccsscccceesssnssseseescsncsensersee 2
SERVICING: PCBS esses eR Arce cdasenteenetiadens t i s dub aidarccesctrcesdvashaacteeenw ed aibete naka 4
PCBs Location [VS-4543,
VS-4544] sence wee eesceserenccanccnccnnennacenena aca nceccerccecetecces renee neecsneeeceneeteesenseneenscenes
4
Extension Cord Jigs Table [VS-4543, VS-4544} eeWdausces fovtwecsuccinvenvesssstoseoserseveccrscunewetncavacecttoccdtepteudcsnees 4
PCBs Location [VS-5043, VS-5044 VS-6043] ieeahigd deus as dececceewen cocsugsecseens seoanedescuacsedsace subsscsgecuscenicseaceeee 5
Extension Cord Jigs Table [VS-5043, VS-5044, VS-6043] --------ssssssecsssssessessessesceceesenteenerensesseeseeeneees 5
LEAD DRESS titssevesecestecsee scaccdvcscreccs sss eccctvsonsscascasecsacescsecsocssosdbccdsaasactocssivesSeucedovssesseeedescduvsbicusavesessteseuseouss 6
SERVICING OF THE LENTICULAR SCREEN AND FRESNEL LENS.-+++-++e-sssescsessssessceessersceeesseesenseneens 7
Removal of the Lenticular Screen and Fresnel Lens [VS-4543, VS-4544] .------+s-sesseeeeeeeceresessesenenees 7
Installation of the Lenticular Screen and Fresnel Lens [VS-4543, VS-4544] ------s-s-sseesseteeteree 7
Removal of the Lenticular Screen and Fresnel Lens [VS-5043, VS-5044] --------s+ssscssesscsssessenseestersseees 8
installation of the Lenticular Screen and Fresnel Lens [VS-5043, VS-5044] «-----+---+sssssesseseereeseeenenes 8
Removal of the Lenticular Screen and Fresnei Lens [VS-6043] siebsscabucceacedscevussoasaeseedosssestaveceeaseductee 9
Installation of the Lenticular Screen and Fresnel Lens [VS-6043] ------------essssesecesessnesssessereasesenseensenes 9
CRT REPL AGEMENT secice-stusvciccen tac cssusuvesitaelotevensuusdieincdbennessciecsa teactcenecoduenssdastebeecdvead vives gesbeudsesuaakettaes 10
Removal: of the GR: 22s0ce se csetccestaa ss ecne esses cciesecsniecsssdesecetveesscaesecddussdescessessecoscniccedecddsinasesbecececscensbeceoats' 10
Installation Of the CRT -------:--ssssscccecenccccscccctsseeserecceccecsnsssescestsccscsscccsccssccceccescecsccesescnscorscnecscnsssencenscesces 11
Adjustment procedures after replacing THE: SRT weseesessccseeab oes ces wdsoe ko cea esd estsot sa sesedsaceud iacieasaiuesosessenact 12
ELECTRICAL ADJUSTMENTS. ----+-sscceseeccessesressscsssctencessccsccssevececeeccssaccecaccccceceassssceneescesecasecenconseccsesseesatee 13
Location of Test Points and AdjUStMent -+---++-ss-rssesesessesescessensseecssneeessesrecsescsssssesasscsecssasessveesesseeeasees 14
Initial Set UPerrrerrerssereerceerereecresenarsenecessnsserecanscsensesensessesssesansssecennensccensceesessnerecseseesesusensesessesonscessenseesens 16
Circuit Adjustment MOde--------+se-ceceeeseeetenseesseeeseenecanceeneeesenssseeenssssssssensereseussrevencesseensensasonseeesenssoanees 17
When Replacing EEPROM(IC701) Sila Las aves dacs bin nn sike dud wins angvemiah as wekndnsudavaduntha thawdeghadwesabeaaheieebs gdabuwdeussccues 18
List of Adjustment Items 18
Adjustment PIOCECULES -----+s-eeceressenccccreecesstseesnneeecenseneseccserstennecssecessesrseeessensscaseeescnncsecsscceressonsceesesssenas 21
Multi Channel! Sound Circuit--------+cccssecceesccersceeccnneresessesscscecceatenccersssesesscerceseassessucasecssecssscessoessesaoess 21
'High Voitage Control Circuit:-s-2sesssecsescecnescoscsaveessenssceseocessasesscaseccsaccesdectecsssccoctnceacdspinneaseneancvesseea 23
CRT Circulitess--seceecseccecsearseceeseseeeteectecccecececesadccestiesecesesoesbancoseedeovenenetadacasenscseseesdacceaccasdsesdassesaedaasa' 24
FOCUS Cir CUit ---+---+-seecesecessnssncrarcnsceteccecesccssorcccscreccrecccesccceses coecescacccenecscscesaaccenescosonesessaccnscassnecscssuess 25
VIDEO Circuit -----:-eecereecnececesceerceeceeeevene neeeeecessesenescensccoeesenscsscesccescoaessaessceeeeecnserecescesasessncsssceeasseseeenees 26
Raster Correction Circuit ----------+++---sscccccessecccesssnccesenecscccnesenerenseccesccassceescncescccesceceseseuassneuessesaeeeeegs 27
Screen Character Circuit -------------:sssscccsccessccccsscnsncsccnscccecascoecnscesscecccosssccenscsccnsccersnasscnssenacsnssesnecsoees 29
Convergence CHOU IR ase aae ce wntns ataee cet aiades seeceieuns solu s cant aaeeeaesescagendocosdscedeusens cud seeubeossesbced sesoseceecsseasseet 29
PIP G i r C t i i t ' s s - t n a i e s t e s c c t e e c a s a s s i s t e s e s sthstessesaetecenstcenansebenbsabeadetusecusecdagetaredendoussedeusasavezesaasensesaasassebtecacsead 32
CHIP PARTS REPLACEMENT iseiess:ssesccesecesosesscnsovestcutsutcussatacnnucognestsosessavsasceveeseesaliedeaceedadssaendeseceadeacenects 34
PARTS: LIST: sssssecsensscedssscenessssied sata ccnsssspogeesiisentenent vesvscussasdteentaccsdetec spctedesusdclesehiel iuensuetlovesdeaheansanaseossanse 35
REPACKING PROCEDURE +++-+s-sssccssssssssotssssccesssceserssessscoreerocacaacscnsearsesasacseaneaceenasarsensesseacseacasecneeseean 35
ELECTRICAL PARTS AND OTHERS .---ssscsssccecencccescssecssnsersceeccccecsessseeeesaceersesecesssesesensensereteeeeesesestcees 36
PRODUCT SAFETY NOTICE
Many electrical and mechanical parts in the VSS have special safety related characteristics. These
characteristics are often not evident from visual inspection nor can the protection afforded by them
necessarily be obtained by using replacement components rated for higher voltage, etc. Replacement parts
which have these special safety characteristics are identified in this service manual. Electrical components
having such features are identified by shading on the schematic diagram and the parts list of this service
manual and by the supplementary sheet for this chassis to be issued subsequently.