QRS Music Technologies PMII Guide de l'utilisateur télécharger pdf (Page 35)

Mounng & Connecng the Electronic Components

Mount the Key Solenoid Rail

Atthispoint,therailhas solenoid assembly pairscorresponding toacvekeysateitherendofeach 

aconseconandtherailhasbeenpreviouslycuttolength.Thepianoisonitsside;alloftheelec‐

tronics,mounnghardwareandtrapworkareinplace

andfunconing.



Since thepianois resngon itsle side,you caninstallthe keysolenoid raileasily byresng the

bass‐most (that is,  the lowest) poron of the rail on the lowest end of the lowest slot and then

bringingthetreble‐most

partofthesolenoidrailintothehigherslots.Theexternalpartsoftherail

assemblywilltakethebruntoftheweightofthekeysolenoidrailandsparethemorefragileinternalstructures.You

canuseaheavy‐dutyscrewdriverinsertedbetweenthebass‐mostaspectofthe

lowestslotandthelowestpartofthe

railassemblyasasimplewedge‐levertoﬁne‐tunetherail's precisealignmentwithintheslot‐system.Lookinsidethe

keyboardcompartmenttoobservethealignmentofthesolenoidplungersal ignmentwiththeirrespecvekey‐tails.If

thesearenot

sasfactory,youwillhave toremovethekeysolenoidrailassemblyandplaceitbackontheworkbench

infrontofthekeyframe‐with‐keystocorrectanymisalignment.



Once youare sasﬁedwith theseadjustmentsand the rail is properlyaligned within the keybed slots, take

a spring‐

loadedcenterpunchorasharpawlandcarefullymarkthecentersofthefourcornerbrackets,inthelargerofthetwo

holesineachbracket.



Next,fastenthefouralignmentscrewswiththelargewashers.Thiswillallowyoutomovethesolenoidrail1/4"in

all

direconsforﬁnealignment.



NOTE:The solenoid rail can be installed easily and more accurately when the piano is on its legs and the acon is in

place. However, an assistant may be required to hold the rail while it is being fastened to the keybed for this step.



Inthecaseofunevenkeytails,alostmoonadjustmentcanbemadeforeachindividualkey.Eachsolenoidhasa5/8"

nyloncapattheboomofthesolenoid.Withthe5/8"socketwrenchturnthenylon

capclockwisetoraisetheplunger

porcounterclockwisetolowertheplungerp.

Mount and Connect the NEW Driver Boards

Thereare5NoteDriverBoards,2AluminumExtrusionsand5 BlackRibbonCables[30”x1,14”x1&4”x3]inthekit.

Youwillslidethedriverboardsintothegroovesoftheextrusions andthenmounttheextrusionstothekeybed.Before

mounng,you

willwanttoﬁndlocaonsforthetwoextrusionssothatallofthecableswillreach.

1] Connectthe30”ribboncablefromPMIIDriverPortAtotheINPUTendoftheﬁrstdriverboard,bassortreble.

2] Connecttheotherboardswiththecables

provided.The14”cableisusedtoconnectbetweenthetwoextrusions.



Each16‐notedriverboardhas16pairsofheaderpins,oneheaderpairforeverynote.Startwiththelowestkeysole‐

noidplugandplugitonto thelowest(thatis,thelemost) 

headerpair.Thenextkeysolenoidplugshouldbetheop‐

positewirecoloranditgoesontothenexthigherheaderpair.Connuethisprocessforall16pair‐posionsoneach

board(Note:ifthereisasinglesolenoidatabreak,theremaybeawire

colorchange.).



Atthispoint,allboardshavebeenmountedandconnectedtotheirrespecvekeysolenoid.Also,allelectroniccompo‐

nents,solenoidrail,andtrapworkhavebeenmountedtothepiano.

Silver,contactsideofcablefacesawayfromview.

“LOGIC” end of

board is the INPUT

INPUT

From PMII

DRIVER PORT A

OUTPUT

To Input of

Next Board

1 2 ... 30 31 32 33 34 35 36 37 38 39 40 ... 63 64

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QRS Music Technologies PMII Guide de l'utilisateur Page 35

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