Motorola Minitor III Service
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./ MOTOROLA ServiceGuide MinitorIIF M ToneandVoicePager 6881033855·F
SERV ICE GUIDE Conte nts Mini to r III Contents Contents .• • ••• • • •• ••. •....•....•.•....••.•• • •••••.••..•..•..•.••.• .•.• •• • ••• •• •• •• •• •• ••• ••. •.•..•111 Intr o duct ion ••.•... . . . . ... . . ... .. . . . . .. . ..•...•..... . . . . . . . ... . .. . . . ..•.•.•..•••...• .•.• .• .•... . . .. . . 1 Pro d uct Ide ntifi ca t io n 1 Produc tCh anges 1 Regulat o ry Age ncyCom pli n nco 1 ComputerSoftwa r e Copy rights_ 2 Co nve n tions 2 P arts Rep la c em en t 3 Specifi cations-Low Band ....•••... •. • • ••• • •• • ••. • . .•• • •...... .................... ................. •••4 S peci fi ca tio n s-VHF.... .. ............... ..........•••. ••• • • ••• • •• •• •• • ••..• ••.•• •• •• •• •• ••. •.•.......5 Sp ecifications-UHF.................. .....................•...... •• •. •• •• •• • • •• • • •• • • •• • • ••. •. •• • •• • •6 Gener al Des cr iptio n................................... ................•.• • • ••.. ••................ ....7 O n/ OfTSwi tch a nd V olu m eContro l 7 Au d iblcIVisu alA lertInd ic a tor s7 Op er a tin gM ode s 8 R es e t Butt on 8 S tore d Voic e _ 8 P rogram ma ble F unct ionSwitc hOpt ions _..... . . . .... .... .•._ _ 8 M ainte na n ce 9 Re movin gBa ck C over 9 R emoving theDe code rBoa rd and Rec eiver As semb ly 11 R ep la cin g theDecod erBoard und R eceiver Asse mbly... .. . .... . . .. . .. ... ... .. . . . . .. . . . .. . . .. . 12 Installi n g Escutch eon andFunct ion Knob i nto a Ne w Housin g 13 Fu nction Knob Ins t a lla t io n 13 Tr o u b leshoo ting ......•.. ..•.............................. ............... ......... • . ..•• •. ••..•• • • • •15 Too lsa ndTe stE q ui pm e nt 15 R F Tu ning 15 S qu elch Ad j us tment 20 Aud ioTrim PotAdj us tm en t _22 Part Num ber C hart s .......... ....•. ... •• •• • • •• • •• • •• • • ........... ... .... ...... ..... •• •• •• •• •• • • • ••• •23 E xp lod ed Vi ew .......... .....•• • ••• •• • •• • • ••• •• • • • •• • • •.......... ... ..... . . ....•• •• •• •• •• ••........ .29 E xpl ode d View P artsList ..•.••• ••• •••..... ..... .... . . . . . .. .. ... . .... ....•• •• • •• • ••• •.... .. .. . . ... . . ..30 App endi ces.... .. .. • • •• •• ••• • •• ••.•.. .. .... . .. .... . .. . .. . .. . • . ...•• • • .•• •• • • •• •.... ..... . . ... ... ..•31 Appendi xA- S ch em a tics 33 Appe ndixB e-Boa r d Layo uts 41 6 88 1 033B 5 5 ·FD ecember16 ,2 00 2iii
SERVICE GUID E Content s Iv Thispage in tenti onall y le ft bl ank . Dece mber 16 . 2002 M initor1\1 6881033B55 -F
MinitorIII Introduction SERVICE GUIDE M otoro la ® In c. maintain s a wor ldwide or gan iza tiontha t i sdedi c a ted t oprovide re sp ons ive , full- serv ice c ustome rsuppo rt.Motoro la p rodu cts areservice d byan in ternati on alnetwork of co mpa ny-operatedproductca r e centers as wellas authori z ed in depen dent ser vi ce fi r ms. A va il able on acontractbasi s,Motorola Inc.o ffers compr eh en s ive mainten anc eand in sta llation program s w hic h ena ble c ustomers to m ee t requi r e m ents fo r r eli abl e, co nti nu ou s co m mun ications . T o l ea rn mor e abo u t the w ide range o fMotorol a servicepr o gr am s ,contacty ou r loca l M o torola p ag ing pr odu ctsrepre senta t ive orthe nea r e st Cu stome rService Man a ger ( re f e r to t he insideback cov ero f t his guide) . ProductIdentification ProductChanges Motor olaproduct sareid entifi ed by t he model numberonthe housi ng. Us e t heent ire m odel numb er w he ninquirin g abou t theproduct .N u mbersare also as s igne d t o ch assi s an d k its. U se th ese numbe r swhen r equ e stingin fo r m at ion oror d erin g repl acem entparts . Wh en e lectr ical, mecha ni ca l or production change sar c inco r porated int oM otorola pa ging produ cts, arevisi on lette r is as signedtothechassi s or kit a ffec te d, for e xam ple ; -A ,-B ,or -C , and so on . T h e pa rtnumb e r,includ ing th e revision le tte r , i simprin t ed o nth e c has sis o r k it du r in g pr odu cti on . There vision letteris an in t e gr a lp artof th e ch a ssi s or k it n umb er a nd i salso liste don t h e schemati c dia gramsandprinted ci rc u i tboa rd la y out s. RegulatoryAgencyCompliance Thi sdev icecompli eswit h Part15ofth e FCC Rules .Ope r a tio n is s ubject tothe fo llowin g condi tions: 1.Th isdevicem ay not cau s e any h armful in te rfe r enc e ,and 2 . Thisde vi ce m ust a cce p tint erfere nce recei ve d ,inclu din ginterfe ren ce thatm ay c a use u nde sir e d oper a t io n. T hi s d evi ce c om pli eswith RSS-210 o f Industry andScie nce Canada . Operation is s u bjec t to th e following two condit ion s: 1.Thisde vic em ay not c ause interfe re nce ,a nd 2. Thisde vice mu staccep t a ny interfer e nce , includi ng interfe r e n cethat m ay c a u s e unde sire d op era t i on of thed evice . 6881033855-FD ecem ber 16, 20 021
/ SERVICEGUIDE Computer SoftwareCopyrights Min ito r III TheM otorolaprod uctsde scribe din thisguidemigh t incl u decopy rig hted M oto rol a co m pu terso ft w are store dins e mi cond u ctor m emorie s a ndothe r m edi a.Law sin th e U n ite d State s a ndot he r cou n t riespreserv e for Motorola certainex clus ive rightsfor co p yrightedco m pu te rprog ram s, includin gtheexclusiverightto c opy or re p ro d u ce i n any f ormthecopyrighted co m p u te rsoft ware. Acc ordingly, any copyri ghtedMotorola com p u t e r softw arecontainedin t he M oto rola p roduc ts described in thisguide ca n not be cop ied o rreproducedinan y manner withouttheex pre sswrittenperm is sio nofMot or olu. Furthermo re,neither thepurc h a s e of Moto rola prod uct s noryou r re ce ip t o fth is g uide (w hetherin co n ne ct ion witha pu rchaseorothe rwi se)grants,eithe r di rec tly o r by im plica ti on , e stoppe l,or otherwi se ,any lice nseunderthe copy rig hts, pa te nt s o r patentappl ica tions o fMotoro la, exceptfor th enormal,non exclu sive ,ro ya lty -fre e li ce nse to us c t hatarises by operation of la w i nthesa le o fa prod uct . Addit i onally,u sc ofth e in f orm a t i on in t h isgu ide o th e rthanin connection withan associa t edproduct pu r ch a sed fro m Motorola re q u ir e s exp resswrittenpermi ss ion of Mot orola.In this regard,yo u m a ynot usc th e i n fonnat ion inthisgui de to c rea te a so ftwa reap plic ation for se pa rates a le or license toothers not incon nect ion with theas so ciatedproductpurch a sed from Moto rola . Conventions Specia lch a r acters and ty pe fa ce s, lis ted a n ddescribed b elow, a rc used inthis publi c ationtoem ph a sizecertai ntype sof i nforma t ion . • & & Not e :Emp h asize s add itionalinform atio nper tine nt t othe s ubjec lm ail er. Ca uti o n:Emp ha sizes informati on abo ut ac tio ns wh ichmayre su lt in equipm ent damage . Warn ing:Emp ha size s inf orm ati onab ou ta ction swh ich may re sult in perso nal inj ury. 2De cember16 ,2002688 103 3B55 ·F
MinitorIII Parts Replacement SERVI CEGUIDE Wh en o rdering re pla cem e ntparts o requipment,includet h e Moto rola partnumbe r a n d d escri ption used in t hese rv ice m anua lorsu ppl e me n t. W h en orderi ngcry stals or cha n ne l cle me nts , sp e ci fy t he M otorol apartnum ber, de scri pti on , cry st a l freq uency , andoperatin g fre quenc y desir ed . Wh en theM otor olapartnu mberofaco m p on ent is notkno wn, u scthepr od u ctmode l n umbero r othe r r elated m ajorassembl y alon gwithade scri pti on of th erelate d m aj or asse mb ly a n d of the co mpone n t inqu est i on . I n th e U .S.A. ,to c ont ac t M oto r ol a,Inc. o n yourITY,ca ll: 800-793 -7 83 4. Accessories andAftermarket Division(AAD) Re pl a ce men t p a rts,test eq u ipment,an d manual s ca nbeo rderedfr omAAD. U .S .A P hone :8()().422 -4210 FAX : 800-622-6210 Out sid eU.S .A . Phone :647·538·8023 FAX : 647· 576-3023 688 1033 B55 -F De c emb e r 16, 20 02 3
SERVICEGUIDE Specifications-LowBand STANDARD MODELSERIES I1CHANNE L:A01YMS723B-X 2 CHANN EL :A01YMS7239-X FRE OU EN CY :33.0-49. 0MHz MAXrn ecSEPAR A TION4 MHz(2CHAN NEL MODELS O NLY): WEIGHT(WITHB ATTER IES) :4.9oz .(139g) DIM ENS IO NS :3.52x2.4 x.85 SENSITIVITYALERTIN G7 .5 uVl m Spl itsBand C(ON B ODY):6.5 uV fmSplits D and E SELECTIVITY :>60 dB@20 kH z SPU RIO U SI MA GER£,l ECTIO N>55 d 8 A U DIO OUTPUT93d8190 dB@12 inc hes(ALERTNoICE): FR E Q U EN CYSTABILITY~.00 1 5% CH ANNEL SPAC ING20kHz POW ERSUPPLY:Tw o ·A AA NiCad or Alka line Batt eries Selective Call>30 h rs (NiC adl BATTE R YLIF E Z> 150 hrs (A lkal ine ) M onit o r >20his(NiC ad)(2%du ty cy cl e)>10 0 hrs ( Alkal i ne) 1The ·X ·inth emodelnumbervarie sdepe nd ing on versi on l evel(A, B ,C ,etc.)2When used in th e Selective Call mod e,batte rylife is based on rece ivingliveao-se ccnccalls pera-h our period. When use din the M onitor mode, battery lil e dep ends upon the amount o rvoice traffic p resento n th e ch annel. SPECIFICAT IONS SUBJECT TO CHANGEWI THO UTNOnCE Minilor III 4December 16 ,20026881033B55- F
Minitor111 Specifications-VHF SERVICEGUIDE STANDARD STORED VOICE M ODELS ERIESI 1 CHANNEL:A03YMS7238 -X A03YM59238 ·X 2 C HA NNEL:A03YMS7239-X A03YM59239·X FREO UENCY : 143·17 4M Hz143-174MHz MAX FREQ S EPARATI ON 8 MHz (A ,B ,C spli t) 8M H z (A,B, C spli t) (2CHANNEL MO DELSONLY): 7 MHz (0sp lit) 7MHz(0split) WE IGHT(WIT HBATTERIES): 4.8 o z. (135 g) 4.8 o z .(13 5g) D IMENS ION S: 3.52 X 2.4 x .85 3.52 x 2.4 x .8 5 SEN SITIVITYAL ERTING 7.5 u Vim 7.5 uVim (ON BODY):T y p ical5 .5 uVlm Typical5.5 uVlm SE LECTIVITY::>60dB@30 k Hz:>60dBe30 kHz SPURIOUSIMAG EREJ ECTION:>55dB:>55dB AUD IOOUTPUT 93 dB/90dB a t12 inc hes 93dB/9 0 dB a t 12inches ( A LERTNolCE): F REOUENCY S TAB ILITY±.0 0 15%±.001 5 % CHANNELSPACING30kH z 30k H z PoWER SUPPL Y: TwoAAA-NiCa dorA1ka lino Batte ries TwoAMNiC ad or Al ka lineBatteries Seiecuve Call >40nrs ( NiCa d) Selectiv e Call:>40nrs ( NiCad) B ATT ERY UF E2> 195 h rs (Alkaline ) > 195hr s (Al ka lin e) M oni tor >30hr s ( N iCa d) Mo nit o r:>30hrs (NiCa d ) (2 %dutycycle ):>145 hr s (Alka line ) ( 2%dutycycle):>1 45hrs(Al ka line) 1 T he XIn the mod e ln umbe r v ari esdepen di ngonvers ionlev e l (A, B ,C, etc.)2Wh enused i n the Sele ctiv e Call mod o,ba tte ry lile is b ase d onre ce iv ing fivo an-second calls p era-h o ur period . Wh enused i n theMo nitor mod e,batterylifedepends u pon th eamoun t0 1vo ice trafficprese nt on the chan ne l. S P ECIFICATIONSSUBJEC T T OCHANGEWITHOUTNOTICE 688 10 33 B5 5- FDec embe r 16 .20025
SERVICEGUIDE Specifications-UHF STAND ARD STORED VO ICE M O DE LSER IE S1, C HANN EL:AQ4YM S 72 3 8-X AQ4 YM S 9 23 8 ·X 2 C HAN NEL :A04 YMS 7239-X A04Y MS92 39- X FRE OU ENCY:406 -4 3 0 M Hz 4 06-4 3 0MHz 4 50 -5 1 2 MHz45 0·5 12 M Hz MAXFREDSEPARATION8 MHz ( A2-A 5sp lit)8M Hz!A 2.A5s pli t)( 2 CHANNEL M ODELSONLY):6 M Hz(A6-A14 sp lit)6 MH zA6·A 14 s pill ) WEIGHT (W ITH BAnERIES):4 .8oz .(135g)4 .8oz .(135g ) OIAE N SIO NS:3.52 x2.4x.85 3.52 x2.40x.85 SENsmVlTY ALER TING10uVim1 0 uVlm(ON B ODY):8.5 uV /m(typically ) 8.5uV/m (typ ically) SE LECTIVITY ::>60dB@25 kHz>60 dB@25kHz S PUR IOUSIMAGE REJEC nON:>50 dB>50 dB AUDI OOUTPUT93 dB/ gOdB@12 inches93oarsudB@1 2 i nche s(ALERTNOIC E): FREO UENC Y S TABILITY:I:.0005%:I:. 0 00 5% C HA NNELSPACIN G25 kHz 25 k Hz PoW ERS UPPLY : T w o-AAA -NiC ad o rAlkal in e B atte ries T w oAMN iC ad o rA lk a lin e Batterie s Sel ecti ve Call >35 h iS(NiCad) Selecti veCall >35 h rs (N iCa d) BATI E RYLJFE >1 70 h rs ( Al ka line )>1 70 h rs ( Alka li ne) M o ni lor >25 h rs(NiCad ) M o nitor >25h rs (NiCad) (2 % dulycycle ) > 120 hrs ( Alkal in e) ( 2% duty c ycle)>120 h rs (Alka li ne) , The ·X· in th omod e lnu mber varie s de pen ding on version level (A,B , C, e lc .)2Whenused inthoSelecti veCallmode,balle~li fe is based o nrece iv ing fi ve a o-ee cc ro ca lls p era-n ou r per iod . Wh en used in the Mo n ito rmode, batterylife e pends upon tho amo unt01vo icetra ffic pr es e nt on u-cch a n nel. S PEC IFICATI ONS S UBJECT T OCH ANGE WITH OUTNOTICE Min itor III 6Decem be r 16, 200 2688103385 5-F
MinitorIII GeneralDescription SERVICE GUIDE TheMotorola MinitorIIIpa ger is a neas y-to -usc, c ompactalertmonitor,p owered by two r echa r geableNickel- Cadmium or twoalkalin e MAt!size batteries .The p ag erca n operateon selec te dUHFandVHF frequ en cies . Th eMinit or 111page ruse sthemostadvanced s elf-con ta in ed, sea led,andcustom inte grated circuitsto perform the c om p lex function sinvol vedinradio paging .Th e p ag eris hou sed inahi gh- impa ct resistantca sethatoffers excellentprotection a ga in stdu stintrusi on .vibr a tion .and shock. Li ghtweightandsma ll in size ,theunit ca n b ecarried co mfortably in a p ocket orpurse .or cl ipp ed onto a b elt . Th epa ge r o ffersth efollowin g models: • Single Fr equencywith Vibr ator •I\vo-Frequen cywith Vibrator • Sin gleFrequency Stored Voicewith Vibrator • Two -Frequen cy Sto re d Voicewith Vibrator On/Off Switch andVolume Control Thecombine d single cont r ol onthetop ofthepa ger a pplies p ower tothereceiver when the control knob is turneda few de greesintheclockwise direction.Anaudio be ep is s ou nd ed to ind ic atethatthepageristurned on. A sthecontro lis rotatedin thecl ockwi sedirect ion, thevolume le vel of receiv edme s sage s increase s. Rotatin gthe control in th e count e r clock wise directionreduces theaudio leve land turns th epager o ff. AudibleNisualAlertIndicators Whenthepa geris initi allyturnedon,boththeredandamberlightemittingdiode s (LED s )on the c ontrol panelli ghtandanalerttoneis s ou ndeduntilthedec oder cir cuit pow er-up iscomplete. Thereafter, wheneveraproperly en coded me ssageis r eceived, the red LED fla sh es an dan audi o ale rtis s ou n ded . Th eam b erLED i s on whenanunreadmes sage is played back.Ifthebatteryvoltage fall sbe low thelevel required forreliable operation, alow-ba t t e ry pulsetone sou nds and ther ed LED fla sh es .Following any subs eque n t audiomessage ,themomentary low-battery pulsetone i s repea te d until thebatteriesarereplaced. Ifthefuncti on swit ch is set toavibrat epo siti on,theredLED flashes to indicate a low -battery s ta te and th eaudibl elow-batteryalertis generated. 6881033B55-FD ec emb er 16.200 27