Schematic Diagram - Panasonic KX-W1500 Service Manual

5.2.4. "Gate-Array Pins FUNCHOM sis .ssscstacasctaeeedscteacee sesatags encivevshaiassnteetnsscnsacbanccstesevnchong sedi lend evens oblgsesedae cocgatedidegaesteade 30
5.3 Keyboard Matrix Circuit......00..00 ccc eee cere tsenenereeerennens Sncaicuubetvsscaddeviduets dai eugeercs teem nae wae 33
5.4 CRT Display. CirCult..iccssc.ccscc acd csuensescentepsecdbvesapsstuadibetiias secsstsceces sactestesccdisnidesiecucudanssearevde bea seseddaustpaadinenate 34
BIAS: - "SOCCIHICALIONS saszzcec2.cec ie hieverl sete ieeslacecdecceceetostesth sendeeeeaceceoucalaneds pantvdecdenie deeedatectagineatensadseestiveaad abdisaseieeted 11 34
B42? "ACUStMO Nba cuss cosesecceasescaurdctaccarancelaess ooosestcsabscocsisbessys'ets ganevsessaveneescesetelueplesdegasialiayetaes eitartivoseedendisuastavisieeds 36
FANS SCG rath CORA OM, ctv caccesacsesscv tes eseces foaloda acne Se estin we eae a cel eec ca Sree creda sal anete aoe Coenen catia 36
(b) Vertical Hold AdjUStMent......... eee ee eee teseecsecceesececsessseesssueseesssesensneseessseesaeseaeersesesessanescaeeeaeaeeeecaueenneedennaraes 36
(c) Horizontal Hold Adjustment.........0. cece cee cce esse eteeeeeseeeeneeeeneee as diegs NEC NDs og stagiven Seeders ives cnettvetatan ates 36
(d) Vertical Size AjUStMENE .0.. ee cece cece eee tesceesensnersecseseeeseesssseeeeesesaeeneeenecneesaseneee Suiaahpeulucues fees a eatiats 36
(e) Horizontal Size Adjustment... eee ceeeecsecseeeeteneeeeees jadassecebesetsddeGeesazccuaia less aiesdaveiied da -cadiivendeieteae 36
(f) Vertical Linearity AdjUStMeNt. 0... cece cs cccceereenescstesesseeessneeedeeeseseesesessssneecsessessesnensreecsueesrerarcesieneeias 37
(g) Centering Magnet Adjustment... ec cece cceesscssseeeserersenesDeaereseseeescaeesaseaseseesssesgensesateccenesserassusnenensenes 37
(h) Focus Control Adjustment... ee i a c u a i a l l a s a t l dv auton ued aw ned Mage ftesuad pues getzastanas Gin couse tae mRda trast TONES 37
(i) Geometric Distortion Adjustment .0..... cece eee cceeeeeeseeesceeeeeeeseeeeeenssenesseesanensesseseneeeaeseaeeeeeeneeseneeennesneseeennes 37
~ (J) Low-Brightness AdjUStMent........ ce eee eeeseteessecsssensesensecesessesseeessasaseasensessecneessesneensesaeseaaneaesensansaersesnenes 38
(ky Sub-Brighthess Ags tee rit ascacvescoratpserspestetevtancsaig.oeduteats starelecasnainentar dang dueeeianteaiaanSiadias sana otetiaataes 38
BAB)' BlOCK DIAQreina sv evccesvecs bvdecvsesscartaea Seca dacheattata rath sa eeteget cathe oadbe Dep esaedigy pod geseee Deatuadedeaa Nsdas iad na Meta 39
5.4.4 Wave FOI .......ccccccecesesesssseeesessnsecereesecsonsenseees saveblossidesligeniciegis hier eink hanlive ns ted AR hi chade beatae 40
5.5 Floppy Disk: Drive. U n l t . . . . . . . . : c . . c c d c e ie iedi cent cess Hesdeotigendentivnces sion dle. couiesnetdeiseelees tte 41
BS ii (General: DESCHIPLON sacses ecco. veo cueceascas scat db scets tcccicedssSicvecieebgechansuenssiindvasecasestadealueasestaveeian tadsteaecae tanta diteendtes 41
5.5.2 "SPSCHICATION iaicc.fecevee teed eases cockes cose cseddungestedsbansaeauevtactusecazs cussed es igabacdsnth svasubedeescie ides esdsipstorsedantensbucgeesseegutnaenens A1
5.5.3. Periodic Maintenance and Drive Information ............c ccc ceseeceeserneeeeessseeeeeseeeesereneseaeccesaeneaseeeeeeneneneeneesenas 42
(a)s SHG ad: CIO AMIN G Sasi, Zeige. evcstns acces ceantecednins dvacteiuenovacnoacadevsuidettedategectvastens ten aninshnedenesseeevlens vesegiousacuaceaytedueteeae ey 42
(Dye SHCA ERG cei ecccdesiccceceess leant Siva baaviet ca Seuss oseqaabacunnsasbatugtsocuwentapsaiedarsdaveuisves cvtenisenataseadscshacasevaenseMesveanseebreeeeade 42
(6) HAM Pad ois. sesccescce dens srcnencs tesptoaies ween coves dscns neustbosedinesvodabana coucaddelandaeaapesduaseasosedsssetsddeesuecaudevsvabegeaazasaeaenizgees 42
(Q) DISK: acc snieeslacdedadcieebacbagscedeuedihchccstgh cps ouadevtalaed veouisye cncatabapevdeasgnonstentvisagatdasteasdetesatis oFalesder ieee: di ieagyte 43
55.4 BIOCK DiaQram aiscisccvseseesicegeeeca di sgvessinestedes revues stuns soteevecsevodeebees oneupsna satessentesedasndeacteseeessaensssUnecagesdensaeatastonsesat¥e 44
Section 6
Explanation of COMMe@Ctors ............::: ccc c c cesses nes csesseeseesecsecisesensaseassueseennessaiensseeseeseesieaeennns 45
Section 7 Component Reference Guide
LOGIC BOA ic. becieresasnet i coups ds fae ok tg asaesa eta andy aaaano sg eaeteet dances Peace eeeta, Ae vave de ceses sieteedas aa daeeateissaceteete mean 50
Power Supply Board css.csc.c...:5ecesicsscenstacs de ecd fs ahs esbcanoie aokadabetesneny cece snnsmcb estes cuslvag bobasipndiasveeae ebbeanteresavebvates 54
CRT Display Circuit Board ooo... ccc cecenceseeeeeereeeeeeeeeaeessesesesesesensesneneseeeseseeeeensaeessaaeseanenneenresneenes 55
FDOD Unite. chris hee ia iieeeietndiiebeesteees ssa tgebbatebedd esa ag ua Sevtadvvatel earn duasavereiss madiacentatadh team cieiedeie sO
Section 8 Circuit Board
LOGIC BOA iis ccssesccecs sic csedest has sacete tics peca de onachacbile bate au cos'ta neki cceahbassiedansaats suabdatyecl@e asl alata dieiecees abe tae Geet tee 57
Key DOAN ois. cisscciese. eostsekoaceessivencaeesedsdcaentsteegeerresces S o besh selina Cou sdases vis ced cqienpiabcobivasd ue sdeduedes uveninntelessertensawa aeieeer) 58
POW6r' BOar i c52cceenccicchecctGensziecekeaxbebaa clap eauiay suche ehuneates vtavenestiaussateaseta seen bilit iesctlastia sae idea tuaadessubiedeanaesseanet 59
CRT Display Circuit Board oon... cece ree cere ceeeseserenenseeeseseeneesssessesensesenssnsasenaeestineesnestisenaetaeey 60
DBD ROA sci ssesessa sag Seiaceresocdci sty wed Geincaene yo ded a2. acas Donte iad cesevtaatlbetg GGunGlsiedcaserenaosleat Aneeebinr mt ateceatar testes 60
Section 9 Schematic Diagram
9.1 Logic Board Schematic «000.000... cece cscs aceescseseceeeeeeeeeseeanesessaeensseserseesseeesessseeesans Seehvendattenderedeeneessats 61
9.2 Keyboard Schematics. ...c:cccciccscsicsccteavesdensacsteetsivevsasactuhvatecsteuetevesateueetartensandbbas entasiedsacddeasedatsal cghenseceavtaree 62
9.3
Power Supply Schematic ............... i b
ech din sine a EAL
Sethe: hese a CR tod ona tBunaote awonetuzae Tas M e e s cacy Sia natimenayn' 63
9.4 CRT Display Circuit Board Schematic... cies cece ceeee reer eeeeceaeeeseeesanessessaeeenenecesesseeeeesgesseseeaserees 64
9.5 Floppy Disk Drive Board Schematic .............. ce ec ccccceececseesseeseseseresesesenaseeeenseenssesseeeneesensecseaecorerseeatias 65
Section 10: Test Program) i436: vesciee ts ee eg hn
ian aaa
ee 66
Section 11
Trouble Shooting Flow Chaft ......0......0... cc
cece ees eeeeneeneeseesassieeeeaeseeeteasenmaneseneseas 70
Section 12
Parts Catalog and Lubrications................0..000:ce e i e a r e e r ta ete eects
etna 92