Kenwood TM?D710 Guida all'installazione

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RAADAPTGPSModuleInterfacefortheKenwood®

TM‐D710AmateurRadioTransceiver

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Overview:

ThankyouforchoosingtheRAADAPTGPSModuleInterfaceforyourKenwoodTM‐

D710®transceiver.

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I’dliketoprefacebystatingthatthereareamultitudeofoptionstointerfaceaGPSto

yourtransceiver.Theoptionsandpartsselectedforthiskitwerechosenforavailability

ofcomponents,easeofbuildandkeepingtheoverallcostoftheunitaffordable.

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TheGPSmoduleusedistheGlobalSATEM406A®.ItfeaturesaSiRFstarIIIchipsetwith

ahighsensitivitybuiltinpatchantenna.TheEM406AhasanextremelyfastTTFFand

outputsNMEA0183dataprotocolat4800bps.

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TheserialoutputoftheEM406AisTTL0V~2.85V.TheTM‐D710transceiverrequiresRS‐

232seriallevel.The1stphaseofthecircuit(R1,R2,R3,R4,R5,T1&Q1)booststheGPS

TXserialvoltagefrom2.85Vto5V.Thesecondphaseofthecircuit(R6,R7,R8,R9,R10,

T2,Q2,C1&D1)shiftstheseriallevelfromTTLtoRS‐232.(Re.Fig.1)

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PartsList:

PCBPrintedcircuitboardD1x5positionrightangle

header

U1L78055VregulatorE1x2.5mmrightangleplug

U26pinSMDGPSconnectorF1x2.5mmjack

T1,T22N3904NPNtransistors G1xRJ45Punchdownjack

Q1,Q22N3906PNPtransistors H1xGPShousing(case)

D11N4148diode J1xGPSCap

C110uFcapacitorK1xGPSHousingCover

R1,R3,R5100KOHMresistor

(BRN‐BLK‐YEL)

L1xReleaseLever

R2470OHMresistor

(YEL‐VIO‐BRN)

M1xReleaseLeverCap

R4,R6,R7,

R8,R9,R10

10KOHMresistor

(BRN‐BLK‐ORG)

NEM406AGPSmodulew/6pin

jumpercable

A1xserialcableassemblyP3pintroubleshootingheader

(Notshown)

B1xpowercableassembly 

C1xRJ45(8P8C)right

angleplug/cable

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Fig.1

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PCBAssemblyInstructions

TheRAADAPTGPSInterfacePCBistwolayered,silkscreenedandsoldermasked.The

assemblyofthePCBisfairlystraightforwardandcanbecompletedinlessthananhour.

You’llneedalowwattagefinepointpenciltypesolderingiron,thinsolder,andapairof

diagonalcutters.Somecomponentsarestaticsensitivesotakenecessaryprecautions.

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Componentswillbeinstalledonthesilkscreensideoftheboard.Bendleadsoutslightly

onthebacksidetokeepthecomponentsfromfallingoutwhentheboardisflippedfor

soldering.Solderallcomponentsonthebacksideoftheboard(minusthe6pinSMD

GPSsocket).Trimtheexcessleadsaftereachstepwithdiagonalcutters.

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Thereisagroundplaneincorporatedinthe2ndlayerofthePCB.Padsconnectedto

groundwillrequirealittleextratimewiththeirontoheatsufficiently.Alwaysapplythe

irontoboththeleadandthepadforagoodsolderjoint.

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ReadthroughALLtheinstructionspriortobeginningassembly!

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RAADAPTGPSModulePCB

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1. 6pinSMDGPSsocket(U2):Makesureall

thepinslineupandaresettingflushonthe

padsbeforesoldering.HINT:Useaclothes

pintoholdthesocketinplaceonthe

boardandtackinplaceononeoftheback

sidepads.Checkalignmentofpins/flush

contactandfinishsolderingeachpin.

2. Resistors(R1‐R10):Orientationforeach

resistorisnotcritical;however,makesure

thecorrectresistorisplacedineachbank.

Valuesaresilk‐screenedonthePCB.

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3. 1N4148diode(D1):Orientationiscritical!

Insertthediodesothattheblacklineon

thediodelinesupoverthesilk‐screened

whitelineonthePCB.

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4. 10uFcapacitor(C1).Orientationiscritical!

Insertthecapacitorwiththeshortleadin

thenegative(‐)markedthru‐hole.The

capacitoristobefoldedoverinahorizontal

positionpriortosoldering.

5. 78055Vregulator(U1):Ensurethe

regulatorissettingflatonthePCBpriorto

soldering.Aftersolderingonepad,ensure

itremainsflatbeforesolderingtheother

twopads.

NOTE:Iftheregulatorisnotflatagainst

thePCB,itcancauseinterferencewiththe

powerandserialcableconnectionsduring

caseassembly.

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6. Transistors(Q1,Q2,T1&T2):Orientationis

critical!Insertthetransistorssotheflat

sidelinesupwiththeflatedgeonthesilk

screen.The2N3904’sgointhepositions

marked“04”onthePCB.The2N3906’sgo

inthepositionsmarked“06”onthePCB.

7. 5pinright‐angleheader:Inserttheright

angleheadersotheconnectionsareover

the5vregulator.SolderONEpinonlyand

checkalignment.

8. Checkthatthepowerandserial

connectionsfitproperlyabovethe5V

regulator.Oncealignmentisverified,

solderremaining4pins.

9. Checkallpadsforshorts.Ifyouhaveany

shorts,don’tpanic.Heattheshortedsolder

upandblastitwithacanofair.Thisshould

cleartheshort.Re‐soldertheconnection.

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CaseAssembly

Forthissection,you’llneeda#2phillipsheadscrewdriver,agoodpairoftweezers,

diagonalcutters,wirestrippersandelectricaltape.ReadthroughALLtheinstructions

priortobeginningassembly!

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1. InserttherightangleRJ45plugcable

throughthelargeholeontherightsideof

themodulecase.Insertionwillbefromthe

exteriorofthecasetowardstheinterior.

Thecorrectlengthis3‐1/8”fromthe

outsideofthecasetotheendofthejack.

NOTE:Ifthefitistootight,usedrillbits

andprogressivelywidentheholebyhand

checkingfiteachtime.

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2. TrimtheoutersheathingontheRJ45plug

cabletowhereitsabout3/8”outsidethe

RJ45punch‐downjackhousingwhenin

place.Thiswillexposetheinner8wires.

Trimthetranslucentpairseparator(X

shapedplasticinthecenter)backtowhere

theoutersheathingwasstripped.Be

carefulnottoclipanyofthe8wires.

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3. Inserteachwireintothepunch‐downjack

accordingtotheBseriescolorcodes.

Wheninsertingthewires,visuallyestimate

thecorrectlengthofwireforwhenthejack

willbeinplace.Alittleextralengthis

betterthantooshort.Usethepunch‐down

captofullyseatthewiresintothejack.

NOTE:DONOTtrimtheexcesswireuntil

properlengthof31/8”(Re.Step1)is

confirmedwiththejackinplace!

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4. Insertthepowercableintothepunchdown

jack.TheREDpowercablewiregoestothe

WHITE‐BROWNslot.TheBLACKpower

cablewiregoestotheGREENslot.Usethe

punch‐downcaptofullyseatthewiresinto

thejack.

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5. Wrapthejackandpunchdowncapinto

placewithelectricaltapeandmountthe

jackintherectangularthrough‐holeonthe

leftsideofthecase.Therightangleplug

cableneedstorideinthebottomofthe

caseasshown.

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6. InserttheGPSmodule(jumpercable1st)

intothecase.Useapairoftweezers(if

required)toguidethejumpercablethrough

thecaseopeningwhilefullyseatingthe

module.

7. InserttheassembledPCBintothecasewith

theGPSsockettowardstheGPSjumper

cable.YoumayneedtopulltheRJ45plug

cableintothecasetoallowclearancefor

thePCBtoslipunderneaththecable.

MountthePCBusingthefour#4x¼”

screws.PlugthepowercableontothePCB

payingattentiontopolarity.REDgoesto

(+),BLACKgoesto(‐).

NOTE:TheRJ45jackMUSTbeinplacein

thecasepriortomountingthePCB.

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8. PlugtheGPSjumpercableintothe6pin

socketonthePCB.

NOTE:Agoodpairoftweezersisamust

forthisstep.Makesureyou’reinserting

thejumpercableconnectorintothesocket

correctlyasitisakeyedconnection.Using

thetweezers,aligntheconnectoroverthe

socketata90degreeangletothePCBand

pushtheconnectorSTRAIGHTdowninto

thesocket.Forcingtheconnectorintothe

socketatananglecandamagethesocket

pins.

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9. Inserttheserialcableassemblythroughthe

smallholeontherightsideofthecase.

Insertionwillbefromtheinsideofthecase

towardstheexterior.Thecorrectlength

fromtheoutsideofthecasetotheendof

the2.5mmrightangleplugis3”minimum.

Strip¾”ofsheathingfromtheendofthe

serialcablebeingcarefulnottodamage

theinnershielding.

Twistthebareshieldwiresintoasingle

bundletobesoldered.

Slidethewirestrainreleifontotheserial

cablepriortosoldering.Solderthetwisted

shieldtothegroundsolderpoint.Solder

theREDwiretothemiddlesolderpoint.

SoldertheWHITEwiretothetipsolder

point(furthestawayfromplugend).

Replacetheplugjacket.

TIP:Thisisatoughstep.Useanexcess

pieceofcableshieldaroundtheplugand

clampinavice.Usealligatorclipsforextra

hands.Anyexcessserialcablelengthcan

betuckedintothecase.

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10. PlugtheserialcableassemblyontothePCB

payingattentiontopolarity.Thetwisted

shield/BLACKwiregoesto(GND).The

WHITEwiregoesto(RX).TheREDwire

goesto(TX).Confirmtheserialcablelength

fromtheoutsideofthecasetotheendof

the2.5mmrightangleplugis3”minimum.



11. Slidethe2.5mmaccessoryjacknutoverthe

RED,WHITEandBLACKwiretails.Pushthe

RED,WHITE,andBLACKwiretailsthrough

theholeonthetopofthecase.Insertion

willbefromtheinsideofthecasetowards

theexterior.



12. SoldertheRED,WHITEandBLACKwiretails

tothe2.5mmjackasshowninthediagram.



13. Slidethejackintoplaceandthreadthenut

downtosecurethejack.

www.raadapt.com 4/18/2013 10 of 14

14. PlacetheGPScapoverthebackoftheGPS

moduleandsecureusingthetwo#4x½”

screws.Placethecaselidoverthebackof

thecaseandsecureusingthefour#4x¾”

screws.



15. Insertthereleaseleverthroughthesloton

thetopofthecase.Snapthereleaselever

capoverthebackofthereleaselever.Glue

maybeusedtopermanentlyadherethe

captothelever.



NOTE:Testyourassemblybeforepermanentlymountingtheinterfacetothebackof

thetransceiverhead!



TM‐D710TransceiverConfigurationforGPSInput



SetMENUnumber602GPSPORT(BAUDRATE)to“4800bps”

SetMENUnumber602GPSPORT(INPUT)to“GPS”

SetMENUnumber602GPSPORT(OUTPUT)to“OFF”

SetMENUnumber606BEACONINFORMATION(SPEED)to“ON”

SetMENUnumber606BEACONINFORMATION(ALTITUDE)to“ON”

SetMENUnumber606BEACONINFORMATION(POSITIONAMBIGUITY)to“OFF”

Pressthe[TNC]buttonontheheaduntil“APRS”*appearsinthedisplay.



*APRSisaregisteredtrademarkofBobBruninga,WB4APR



Altri manuali per TM?D710

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