SERVICEMANUAL

RCTEL..VEHICLE COMMUNICATIONSERIES

FMCitizens'BandTransceiverD

CONTENTS

· .... 3,· .... 4,

.,.,. 4

........................ 4.5

...................... 2· 2

. 2· 2

. 2· 3

. ... 5........................................ 5

.5. 7

. 8

."

A1ill"mllnt Proc.dureMenUf,m.rll Condition .

Te't Equipment. . .....•Pll CirCuit Alignmell1.

T.t",m;lle. Alignment.

R'C,i"e' Alignm'flt.SpeCiliulion, .Ci.cui, Oescription

TX end R X Frequency Syntll"iz,•.Tran,mitt,. CircuilAle Circuit.RF Po....", M"'f,Ree'i"•• Circuit.Squelch Circuit.Signal Meter .

Frequency T.b1tBlock D'"9'em.PC Board Layout

PTLD014 .PTSWI5<!PTBMl34

Schen.-'ic Oiaojl.am .Aep!lClment P'<I. List. .Ex~Vie .

THE RCTEL CC. LTD.'.J6..8, O!>obya....... Megu.o-k ... Tol<yo 152. Japen

oseVTVM

••'e

0- lOO MHl. 0- 1.000 MHz HP

5.2 Sensitivity Adjustmentil Sel lland;ord "t",I lI""",ato, to 27.79125

MHl withou. modulllion.2) CormeCt ci,cuit telle, (QC 3 V ,an!lll be·

I......n TP·2 and ground.3) Adiu.. T·5. T·7, T·S.T·9, T·IO&ndT·11 to'

m..lmum ,Mdint on ""...F.....IV adjul1m.,. lIlould be performed_th 0.5 microvoll """,ato' OUll>IJt I_IIRF anlenne ",puI 1_11.

4) AlII' compIetint~ procedu,., 'ota"T·5dock"';se 1121um.

5) Se. 1Iilf\dan:\ """I ,......ator.o 27.79125MH, wilh 1 kHz -..cloo. I o.S kHz ......tJon

61 Obllfy,n9 _ fo,m Ofl .Vnd>,...,ope (oroteillo$Coptl dillllay. Id;"$t T·12 fo, ......imum on VTVM.Note: When ,ola"nt T·12. 3 pea'" .... 11

,ppee, on SCOPe dillllav· B. lUre toadjust T·I 2 10 th. 2nd peak.

..-a I"'" 10 dB on bo.h c........I 1 tnoddl......I40.

Not.: al Adjul1 abow I>rocedure .... th nom ...... lllion.

bl Total cu".... dr,in Ihould be I...than 1.4 A. lWhola ci,cuII: includelamp. LED. tic.!

cl RF 00....' Outpullhould be with;n3.6 - 4.0 W on all chlnnell.

dl If RF po..... , diff",nc, il grea.. ,on abov. ""1' 51. ,"diulI L·S coil.

4.4 Frequency Check11 Set I'" uni. 10 lranlmOl mode wilh no

modulat,on.21 o-k Ir-.n" freq-.cy on all C",""""I.

-.ch lraquency Ihoukl be _11"" '200 HIof the lilled freq,*,cy It,equeney labltl

Nota: " ~ lQICilicltoons no' obt..ned.check .181> 3.1 end ,ueljuSI CT·2.

4.5 Moduliltion Sensitivity Adjustment1) Sel Ihe linea, de"ctor 1o followin,,:

RF f,equency - 27 MHI. AF lill.. - LPF;20 kHl. HPF; 50 Hl, Qe·emph...i, - 75 ",I.Dev;81ion - 3 kHI. Input level - 0.1 Vor0.3 V.

21 Selecl Ihe chann.1 lllecIO' to CH. 40.JI Applv 20 mV/I.25 kHl """"00 1o MIC in·

I>IJt litek).41 Adjul1 RV..f; lor ""••mum tion.51 Adjusl RV·2.0 .xacl 2 15 kHz uon.61 Adjuot RV..f;toaxacll.6kHz_I4II01t.71 Stlect.he chtnntl _lector 10 CH. I.81 o-k the dtvI4..on .......Id be more I......

1.5kH,.91 Applv 2 mV/l.25 kHI ",dio .0 MIC inpu•

l;eckl.10) Chack Ihe devi,uon IhoYld be more Ihan

0.8 ~Hl.

NOle: Ch'Ck nO pa'..lIc OICill81ion "";11 OCcu,on ..,ope dllpllV .....'n po ....., IUpplVvoltage il chenge<l in va,iation of DC10.B V 1o QC 15.6 V 81 all ch....., ...

4.6 RF Meter Adjustment1I Selec. the Ch.....1llleclor '0 c","",,1 20.21 AdJUSI RV·4 for _I .,dicatlon on both

tleril.·... RF milt, iIf\d ."t""" _'mlt".

5. Rec:eiwer Alignment

5.1 Test Set·up

Connecl tesling aquip"""I 1o Ihe un,l "Ihown,

----4.2 RF Dri.... r Adjustment11 Apply g V, end tet .he unil to Irantmil_.21 Select .... chtnntl _1ec1Of CH. 20.3) Con""'1 rynch,oocope !or QIC.lloocope) 10

antennL~) Adjuol T-2, T.) end T-4 lor ..... ' .....m_

form on lCope.

4.3 RF Power Adjustment11 Select Ih. chenn,1 seleclo, 10 CH. 20 end

applv 1).2 V, Iel RF ATT IW,Ich to HI(no,mall-

21 AdjulI L·4. L·B and L·9 1o, "".imum onwatt"""'.

31 Rota<e L·4 Cortclockwile to ob"... 4.4 W.41 Ro"" L·9 cor. counlerclockwi.. '0 ob1;1,;n

3.SW.51 Ma'" ture Ihl1 t'" RF PO....., dolf...-.ce of

c""""l I iIf\d cnan-I 40 Ihould be .... thin0.3W.

61 Sat RF ATT lwild'l '0 La IONl. appIv15.6 v.

71 Sel I'"~I _IKlor 1o lt'fIII' RF PO""'"of .i,..., chan",1 1 0' ch",,,,1 40.

SI Adjul1 RV·5 for RF PO..... , OUlOUI _'0•.0.5W.

91 Maka lUre thal RF powe, Ihould Illenul"

~_.

..

4. Transmitter Alignment

4,1 Test Set·upConnecllel1ing aqu;pmlflt 1o Ihe unil ISlhown:

S.", _e. 10 HlIO 20 kHl1 mV muIU,abl.

DC 2 A. Iow impadane.DCO - 20 V. mor.lh.... 2 A0-40 MHl. high inout im~darIC•. high inoulSlnl;t;viJY typeP,obe ty~

UI> 1o 30 MHl usabl•. hith senlilivitv, high inputimpedanceWilh 27 MHz FM. 50 ohm unbal-.cld.-10.o+10dBATT.Thermo-couple IVPI'. SO ohm. 0.5 10 5 W27 MHl, fill..-: 50 HzJ:lOkHz.~., 70111Sohm.5WDC 20 kohmlV. h.", ;"ou' impedanoa

1. MUJl.u-ement Condition11 R.'-rence Tempe,alu" : 25"C2) R.ferenCl HumidilV : 65'll.

Note: Unl.ss olh¥wiw menl'oned.mlnl mlY be perfo,med unde, IheIImpe"lllr. of 5 _ )5'C 8nd thehumidilv of 45 - 85%.

31 Po..... , SupplV13.2V DC~I". unle.1 olhe,wi.. lpecifie<l.

2. Test Equipment

Anv test equipn-.I 10 be u_d in (hi. ali..·......1 Ihould "- ill known lOX'u,.cy iIf\dClPlbililv 10 _ate _.h,n • '''''IJ" of ..-:i.ned 101,,_ delCibed in lhe electrictl soeci·fiC*lOonl.11 AF Si.... Gene,atO'21 VTVM31 OC CUrt"'l Mete,41 Regulated Powe, S<Jpplv51 F,eQuencV Counter

MAIN PC BOARD IPTBMI34)

3.2 I VCO I Adjustment11 Set Ih. unillO ,Kf'iv. modi.21 Select the chennel seleclo' 1o CH 40.31 eon",cI ci,cuit te",r !DC 12 V rangel be·

tween TP·I and ground.41 ROll.. T·l coil c1oc~wi_ 50 tha' the 'eI'"

,"dint il 4.0 V ~ 0.1 V,51 Stllh. unit '0 "an....it modi.61 R'PMI Ibove I18PII 21 and 31. Ih., adjulI

CT·l for4.0V ~O.IV.

71 Selecl lhe cn.tnel _lector CH. 1.81 o..ck mll 1.8 - 2.5 V .. obtained on the....,.91 Sat I'" uni. 10 .- moda, ch.,k 1.9 ­

2.5 V ," obllined on 1111...

Rtf, When chan,..1 LED;' di..bled. chan·,..1 No. 1 il loca..d wilh t'" ChanotlselKlor lIlaft posilioned 81lhown.

CHANNEL SELECTOR SHAFT

frO'S.t tM 1I0t in/_ _,ocal_toon.

MAO'

ALIGNMENT PROCEDURE

3. PLL Circuit Alignment

3.1 [10.24 MHz I Adjustment11 Conotct f,equencv coont., to 0·10 base.21 Ad]u.I CT·2 for 10.24046 MHl t 50 Hl.No.., Thi. ,lign"""l mUlt be done wilh delt.

tu,.. lwitd'l ...1 10 "0", V.rify thel lhef,~cy "adint _th dill... lune SWllch_I to 'T' il400 Hz hither II\.tn 10.24046101Hz. V..ify lhal I'" freq-.cy re.ting_(h delta lu...._Id'> _t 10 "-";1400Hl _, than 10.24046 MH>.

61 RF VTVM VTVM

" Synch,oscope 10ICiIloIC0PI'1 eRO

• SlIndll.d Si..al Ge,.."lor SSG

91 RF W,n""'le' W

'" Ltn_ OrtIKIOr OH

'" Dummv Load ,'" eo":U,1 T...., ,'" High P.. FilII. H"..,Spect,um AnalVle, "'.

2

5.3 [20 dB J Noise Quill1ing Sensitivity

1) Set .ignal gene,ato' output to OFF.21 AdjuSt Volume (VR·O .0 that AF noi$e

level of the unit i. O. 76 V (0 dBI on VTVM.3) Se, "~.I ~ne,ato' ou,pu, '0 ON lwith·

oul modulation!'4! Adiust .ignal ~ne,ato, <0 tha' VTVM

'eading i. _20 dB, then check .ignal gene,·a,o' reeding should be le.. than 0.75 I'Vl-2.7 dB)

SPECIFICATIONS

GeneralChannel' .F,equency RangeOperalion Tempe,atu'ePowe, Sourc~

Curren, Drain

.40 digital PLL .ynthesize'

.27,6012510 27,99125 MHz

.-5·C '0 +45"C

.10.810 15.5 V OC reve,sible g,ound(13.2 V nominal).lIITran'mil.l.5A12) Receiver: 1.2A

freqUency!.h. Thu' dec'eased VCD f'equency is again

appli.d 10 the p'ogrammable divide, and Ihedivided OUlpUI i' compa,ed ";th Ihe ,efe·,ence f'equency. Thi. p,oce.. i' ,~pealed

unlil ,he divided VCO frequency coincide'";th lhe refe,en"", f'equency in their phase,elalion.Thi' coincidence i' called "Ph"",·Locked"and Once Ihe "Pha<e·Locked" i' e<tabli'hed.Ih~ vca frequency i, held at Ih.. lockedf,equency unl .... dividing code N 0' channel",I~clo, i. changed, In o'he' wo'd. anyfrequency can be !l""'e,al~d bV changingN code numbe, 0' channel seleclor posilion.

j. Thu, ,ynlhesized VCO frequencies a,e usedas carrier signal alle' mulliplied by 'wolimes. during vanSmit mode of ope,ation..nd a. injeclion ';gnal. fo' Ihe fi'" during,eceive mode of ope,ation.

k. Th~ ROM hes bailn designed to set ,he 1"0'grammable divide' '0 channel 9 when pin9 of I'LL IC lICll i' se' 10 "H" level.In the ac",.1 unit. pin 9 i, ,upplied fromVDD line du'ing CH. 9 mode of ope,.tion

,. , ~

.Dual conve,sion superhele,odyne

.10,7 MHz hI and 455 kHl 2nd

.>1.5Wint080hm,< 1 microvollal 20 dB NO·>50dB.< 20 nW1 '0 10 mic,ovoll

,Digilal 7 segmenl LEO',

.6F3 (FMI

.<.

.< t1.5 kHz

.>lO<1B

.50010 2.500 Hz +4/_12 dB

.> ±1.5 kHz al 1.250 Hz

.< 10mic'owatt

.(1) < 50 nW wilhin lhe followingf'equency ban""

eo MHz - 85 MHl875 MHz ~ 118 MHz135MHz_136MHI174MHI-230MHz470 MHl - B62 MHz

(21 < 0.25 microwatt a, eny othe'f,equency

,,'Cc rC' :,,_________ .-J

~ifIiii\iiii"S

TransmitterModula'ionRF Powe, Outpul.F,equertcy Tole,an"".RF Power Attenuato,Frequency Re,pan...Frequertcv DevialionAdjacenl Channel Power.Spuriou, Ratio

ReceiverConvenion System .

"Audio Output Po"""Sen';livityAdiacenl Channel Rejection.Spu,ious EmiS$ionSquelch SenSitivityChannel Di.play

ROM Inamely set by ,he channel selector!.For example; if channel 11 i, selected, thechennel seleclo, p,ovide' program code of000010. and ,he ROM setS ,he P'Og,em·mable divide'" dividing ratio (N) 103401.AI.o assume Ihal VCO i, "'cillating a'17.0100 MHz. then Ihe 17.0100 MHz isapplied 10 Ihe P'Og,emmable divider anddivided by N· 3401. yielding 5,00147 kHl

f. Thus p,oduced divided signal (in Ihis ex·ample 5,00147 kHzl i. ne'" applied ,olhepha", deleclo, and compared wilh therel~,ence .. gnal in 'hei' phase ,elation. Therele,ence signal i, ,he 5.00022 kHl .ignalp,ovided by dividing the standard X'taloscillato-r frequency of 10,2404 MHz,

9 The phase delecto, compa,e, its two inpu"f,equencies (5.00147 kHz and 5,00022kHz) and dev~lops a pul..'~d DC ,ignal inproporlional phase dillerence between ,hetWO frequencie•. The DC Signal i. led 10 aIow pa.. filler and Ih. fiI'e,ed ,mooth DCvoHage i. finally applied to ,he calh<>de ofvaricap diode 0·3. ,hu. varying the vcafrequency (in Ihis e"ample. 10..... ' ,he

a. Thi. uni' ha. equipped wilh e mOSt "".vanced phase locked loop IPLLI f'equency'Vnthe.izing .vstem u.ing only one ,efe,encecrvstel '0 p,oduce c'yStal controlled "an.·mi' I,equencie. and RX local oscillatorI,equencie, fo' 40 CB channel,. The f,e·quency syn'he,iU' section con.i,,, of OfteI'LL. LSI. vca (voltage controlled oscil·lato'l. Bulfe' amplifie,. Low Pass Fille,and a 'ele,ence o$Oilla'o' c'yStal X·l.

b. The vca comp,i,;ng 0·1 and 0·3 (va,icapdiodel i. adju<ted to o$Oillate al frequencyof approx 17 MHl du'ing RX mode ofoperation. and at frequency 01 app,ox.13 MHl du,ing TX mode of operation. Thi.frequency change from 17 MHz to 13,9MHz i, achieved by adding CT·1 and C21 '0,he ,esonant ci,cuit of Ihe VCO. Namely+B vollage i. applied '0 ,he base of 0·2during TX mode. ,hen 0·2 g08' on and con·nee" the two capaci'ors '0 ground, thusincrea.ing capacitance of the rewnanceci'cuit. Since a va,icap diode 0·3 i. cOftnecl·ed to 'he ,esonance circuil. ,he VCO·.frequency can also be va,ied by applying aDC volta~ to the ca'hode ,ide of Ihe diode.

c, The channel $elec,o(i. con"rucled to 1"0'duce .. x digil BCD cod", de,igned fo' each.pecified channel (1 1040) a, il i'rOlaled.Fo, e"ample. it genera,e, 100100 when thechannel seleclo' i, "" 10 channel 9,

d. A .pecified BCD channel p,ogram code i.inpul 10 ROM (,ead only memoryl. whenthe channel seleclor i, se, 10 a de.i,ed chan'nel. Ihe ROM check, il< inpu, code bycomparing it with Ihe p,ogrem codes whichhave been legally a.,igned and stored in Ihememo,y, and pass ,he code if i\$ inpu, codei. nOt ill ...al. ,hu. assu'ing gene,alion ofI,ansmit I,equencie. only assigned by Ihelaw.

e. The ROM .e.. dividing 'atiO of the 1"0'grammable divide, 10 Ihe,eby c,ea'e acomparing "gnal '0 be ..nt 10 the phasedeleclo,. Meanwhile. Ihe VCO i. being""cillaled al app,o•. 17 MHz, If R X mode i.selected and ,he I,equency i' applied 10the p,og,emmable divide, Ih'ough e bulle,amplilie, 0·25. and divided by the divide'wilh a $pacified dividing ,atio set by ,he

CIRCUIT DESCRIPITION1, TX and RX F,equency Synthesizer

5.4 Squelch Adjustment1l Se, "gnal gene,ato, '0 p,ovide 10 I'V (20

dB! with 1 kHl audio O.B kHz deviation,2! Ro,ate Squelch con"ol (VR-2!lully clock·

wi<e (ma"imum!.31 Adjust RV·l SO tha, 'he audio output level

dec,ea$es by 6 dB.41 Se, RF .ignal to O. adiust <queleh con"ol

so that noi", will disappea,.5! Inc,ea$e RF .ignal level g'adualiV ob$e",·

ing RF input level which jus, p,oduce.audio output. The lewol .hould be le.. thanO.SIlV 1-6 dBI.

5.5 S·Meter Adjustment11 Set RF .ignaltO 100 I'V (40 dB!,2) Adju" RV-3 so that 5-meter POinte, indi·

cates "S·9"

3

FREQUENCY TABLE

mi"e, a·l0 ..d mind with 10.240 MH.",I'''''al oocillllo, OUlput 1Uppli.d Ih,ougheB8, yielding 455 kHl and 2nd IF "gM!.T", 2nd fF 1il".1 il lully wnplif;"d inPllsing Ih,ough two IlIgeI 01 455 kHz8mplifie<l 0-1, and 0.' 2, .nd linally led.oFM IF limitt,/dellCl0' IC3 lpin 21. Thedelected ..dio signal il lhen ,.d 10 ,h...diD .mpIifier 0-13 be. th,ough. ~olu.....con"ol ..d C-91, .nd .mplilied wilh a·13,Ihen wilh ~, ernplili., fCC. Th"" ob­,ained ..dio OUIPU' drivel lhe buill·in1pN~',

3.3 Squelch Circuita14 iI me "",.leh conlrol """;ltOf. AI fowOf no ...1...... silJf\ll input,. Q.1C con<t.K:lIheavily. Sinoa a·14 colleclO' ;1 connecled 10pin 1 of fC4 thfOUgh • omaIf v of 'WIIO'.I~ is diIIbItd. AI me ... , inpul OfIF ....plll", OU'pul" pin C of T-ll inc......D--6 anodI: ..de dIwlops -'..... DC and lheQC iI llIPPfiHI 10 0-14 bill. Thul O-IC llOI" off11 ill regal .......... bill Of "I..,ne ;"PUlina_. then fC4 1I1f,. 10 lunclion IInd~ lUdio OUlpul. T"" oqueldl th...noldlevel" ....id> a·lc iI cut off can be ~...d byKljullin9 lhe sa contrOf voIunw VR-2.

3.4 Si9nal MeterDiode D-II COf\f'lKIId 10 p;n C of T·II dewl·ops posil ..... DC. T"" DC .....f inc,__,h

incraSld .." ..... inPUI IIIJf\II f_f. 10 il iluted ......", d'i"" lil"" in the llmil. _.. dt$cribed under "RI' P~, Mu.,".

2. Transmitter Circuit

2.1 Transmittar Circuit1) Wt>an TX lwitch (PTTI is dep'ltIsed. DC

IwilCh 1f..,liltO, a·l 1;1 bi••d and gQltl on.lupplying POWI' to lhe t,.."mill" cin:uill.

2. TX Iwi,Ch 0·2~ iI _10 IUppliHl and 0·2gOeI On. Thul vca f..QU"'CV" ch..-ged to13 MHz • dItIc"bed undll'r "TX .nd RXI..-"CV Iynt ..... z..... ..,d gene,..ItII1)1tf:i·liHI Irequ..,CV del*'\d;"g on I.... ch_I..I~or 1.... lch r:.ing "I.

31 Th. vea f ..quency is li'" led 10. double'ci'C\lil _ ..;"g 01 0·3 IInd T·2 and doubl·ed. tn.. 10 I'" RI' p,.wnplil;", a·c. 0.5..cl 0·6 10 ...-phly I.... c.,;", I,_.-.cv 10.....,ed ~, -"'1 to tr..,rnil. TI>u,"""ilied cM,;." IigM! ;1 f;".lIy fed 10 t....ant..,n. connector.

cl On me 01....' hIond. yoiee lil"" "om themic,ophone is • .cl ID Q.13 p.-prnpfi­n" IInd t.... .mplih.d OUIPU' it lun......ppliHI to fCC (..dio PO"'" """PIif;", ICIMd ...... ified. Thul ""'llIlfied ..dio OUlPUliI .pploed to I.... "'''OW bMd "'111' aonpIi·r., IIC5 1121 th,ougt> Cl0S. R·n. RV·2.C1l3. R·13. R·1C IInd R·l5. The lilt.,wnplif'" consilII 01 two III1ll1t1 __.-ply

cui off ft_del higher IIwn 8PI>fOJli­

....."Iy 2.5 kHz 10 obt.in flQUi"td " .......1aldio freQUenCy d'IM••'ISI.ic. Thul bw>dlimi"d ~oioe lign. il firnofly IiIJIIliHI 10....,h.. ~.ICIIP diode 0·13 IInd ~..ieI ill~i._ ~_u.. s.nc. t .... diode iI con·

neclld to I.... vca'l 'II'IOnIf'I/:' c'l"Cuil. '''''vca f~ 0' 1'...... , c.,., f,.quencv will be f,equ"'CV·rnod.ll...d. T....POI"'ti_.. RV·2 it p'ovided '0 KljullFM ......ietion level.

2.2 ALC (Automatic Umiter Circuit!Th. ALC conlilll 01 • diode 0·1 end ,"witch·in9 tranlillOf 0'5. T.... Implifi.d ~oic. lignll......eIoped " pin 10 01 IC·C i, lI)pliHI to 0·1th,ough Cl05. RV-6 Iond C·108. t .... diode'IICtlfiel t.... ~oice Iign.1 ..d Iopt neottiv.DC .t ill 'nodlIlide. Th. "'91'; DC is 'PI>liedto a·1S ba. end m.kel a·15 condu<:ti~•. thulbypassing Inpul voice lign~ 10 1Jf0und if the~oic. lignal ""plified bKom.. IXCIl'Sli~ly

high. AI .h. ,,"ull, .h. eudio OUlpUt 0' fre·quency devi.tion il maintained" • con".nt.~u•.2.3 RF Power MeterTh. RI' p~r m"" conlllll 01 a diode 0·12and on anolog moto'.A f'lICtlon 01 RI' c.rri" Ilgn.1 i,"mpl.d f,omIh. lin.1 RI' po...... , .mpl'fi" .tage ...d il ap­pli.d 10 0·12 th,ough C·51. Tht 0·.2 'I<:.ifielthe sig...1 ..d th. "wlllnt DC positiv, Iilln.1is I'd '0 • m"". 'hu. indic.ting.h, RI' po_,outpuI.

3. R.ceiver Circuit3.1 Rece:iver Circuil11 WIt.. ;n flCl<~' mode. be.. bie. of a·18

and Q.19 il wppfied ..,d bolh .,..Ii.­10...... on. AI a·18 gOeI on. ALC t'....1I0'Q.15 btM illt\ono<;l,cuit.d 10 g,ound ..d0-15 tu,nl oU. AI a·19 gOeI on. outpulci'cuil of ,he liltl< amplifie, ;1 1100 lhon.d10 lJfound ..d no lUdio IiIJf\lI ;1 llI)I)lied 10me ~..ictp dIOde 0.13. thul IIowt<>g.""vca modulllion.

2) Anlenn. 1Ii1Jf\ll is li,", II)plIed 10 T·5through • coupling ~ilor CSC ...d8mplilied by 0.1. T.... 8mplified OUlpu. ilIhen applied 10 Neh btM 01 0.8 and 0-9both 01 which luncllOn 11 • mi".,. Whilevea IIgntl 111MHz .gneI 11 delcribedI'fI"ioullyl is .00 1JlI)I.cl to t"" ..... t., lap

~ T·1 tlt(:onOlry corf .... injection 1il"a110 con...... me RI' inPUl lignef 10 10.695MHz fint IF IfICII*lCV. Thul obllined10.69SMHl fF iI ..,.. .pph.d to 2nd

•

CH

,,,•,6I89

>0

"""""""""'"""",.""",.".,"""""J6

"38

"40

CMnnllf'lqulnCy

27.60'2521.6112521.6212521.63.2521.64.2521.6512521.66.25216112521.6812521.6912521.1012521.11125211212521.7312521.14.2521,15125211612521.11125211812521.1912521.8012521.8112521.8212521.8312521.8412521.85'2521.11612521.8112521.8812521.8912521.90.2521.9112521.9212521.9312521.9412521_9512521.9512521.9112521.9812521.99125

3.5. Delta Tun. Circuit01 Within Ih. delt. tune IwilCh pl"'ed in "0"

p(IIillon. +12 V lin. il connllCl1Id .0 a-20.min., Iond 0.21 bellt, thilfl a·21 Pi on..,d Cl 24 ;Ig,ounded th,ouoj! C·126. wt.il.0.20 be. bin il beIng 10"" Ihan ..... ap­pl..d .mi'te, ~oh•. 0·20 gCM!1 off. Ihuldioconnecllng C-123 I,om X·l Cryltal.

121 When I"" deh. lune I.... tch il placed in "-"poIIlion. 0-21 .mil'" Iond 0-21 bMe ••ll"oundld th,ough t .... del" lune IwilCh. andQ.20 llOI" on and 0.21 gon 011. Namelycln iI connected ID X·l bu. C·214 iI Oi..conneclld f,om X-I. Allh. 'Huft. X'laf I,.~ancy 10_<llliglltly.

131 When Iht' IWllch il'" ID " .." posilion. bolhQ.20 and 0-21 ... cui off because of noboil appI.d 10 bolh tr...,lIo... m .... lor.IWO capaalon CI23 Md C124 •• Oil'conneclld I,om X·I. thul inCf....ng ,t!......oal_CV·

(Cl A$ me Cry".' "",ence oscillaror I,IQUWICV1,,,1.. lIighdy. vca lreq......cy "10 lI>,ftllIighdy. AI _ ...... " • ..-ving I,equencycn.... ",gIldy.

Prog,,,,,Cod. '~::j~~"~'~'cT~I~"~.~';":,,~~T~'~'1T~'~"~.~O~'~=O. a. o. a. D. ~. Oi~iIo, vea F'Iq. Oiw..... Yea ' ....

1 0 0 0 0 0 338, .16.9051 21SO .13.8006o 1 0 0 0 0 3383 16.9151 2161 '3.8056, • 0 0 0 0 3385 16.9251 2162 '3.81()5o 0 1 0 0 0 3381 16.9351 2163 13.81561 0 1 0 0 0 3389 16.9451 2164 '3.8206o 1 1 0 0 0 339, 16.9551 2565 '3.82561 1 1 0 0 0 3393 16.9651 2766 13.8306o 0 0 1 0 0 3395 16.9751 2161 13.83561 0 0 1 0 0 3391 16.9851 2168 ,3.8406o 0 0 0 1 0 3399 16,9951 2169 13.64561 0 0 0 0 1 3401 11.0057 2110 13.8506o 1 0 0 1 0 3403 11.0151 2111 13.85561 1 0 0 1 0 3405 11.0251 2112 13.8606o 0 1 0 1 0 3401 11.0351 2113 13.86561 0 1 0 1 0 3409 11.0451 2114 138106o 1 1 0 1 0 3411 11.0551 2115 1381561 • 1 0 1 0 3413 11.0651 2116 138806o 0 0 1 1 0 3415 11.0151 2111 13.88561 0 0 1 1 0 3411 11.0851 2118 13.8906o 0 0 0 0 1 3419 11.0951 2119 13.89561 0 0 0 O. 3421 11.• 051 2180 13.9006o 1 0 0 0, 3423 11.1. 57 2181 13.90561 1 0 0 0 1 3425 11.1251 2182 13.9'06o 0 I 0 0 1 3421 11.1351 2183 '3.91561 0 1 0 0, 3429 11.1451 2184 13.9206o 1 , 0 0 1 343, 11,1551 2185 13.92561 1 , 0 0, 3433 11.1651 2186 .3.9306o 0 0 , 0, 3435 111151 2181 .3.9356, 0 0 1 0, 3437 11.1851 2188 13.9406o 0 0 0 1 1 34.J9 11.1951 2189 13.94561 0 0 0 1 1 34-4' 11.2051 2190 13.9506o 1 0 0 1 I 34-43 11.2151 2191 13.95561 1 0 0 I 1 34-45 11.2251 2192 13.9606o 0 1 0 1 I 34-47 11.2351 2193 13.96561 0 1 0 1 I 34-49 11.2C51 2794 13.9106o 1 1 0 I 1 3451 11.2551 2195 13.91561 1 I 0 I 1 3453 11.2651 2796 13.9806o 0 0 1 I 1 3C55 , 1.2151 2191 13.98561 0 0 1 , 1 3451 11.2851 2198 13.9906o 0 0 0 0 0 3459 11.2951 2199 13.9956

BLOCK DIAGRAM

1"""";;:='}----o-o'+'l-....2,16 I;!I

~e

27.60125 MH< - 27.99125 MH'

FILTER

'M''"

(VOO F"QI16.9051- 16.2951 MH<

13.8006 - 13.9957 MHO';;;;",,,"

CH SWITCH

Qin 1-_+,'"

~~~~l-~~r '" ""'P-+--+---------"---------, "

RF AMPm

27.60125MH< _ 27,99125MH<

PC BOARD LAYOUT

PTLDOIOCOX~SI4-S

~lLED301

J301•

/ 1~

PTLD014 PTSW154

5

PTBM134

6

8

REPLACEMENT PARTS LIST

PART NO. PART NAME SPECIFICATIONS SYMBOLIC OR EXPLODED VIEW NO.

ACCNOl9GEA CONN CORO ASSY,ACCN020GEA CONN CORD ASSY.APTBMI34UG P.W. BOARO ASSY.APTLDOIODA P.W. BOARO ASSY.APT$Wl!i04HA P.W. BOARD ASSY.CCOEI51KOM CERAMIC CAP. 150 pF 500V C20'CEAGR22ZMN ELYT.CAPAClTOR O.21"F SOVMS cmCKDB10JPEM CERAMIC CAP. 0.01 "F SOY C202IC203IC205IC20lIC210fC211CKDB472PEM CERAMIC CAP. 4700pF SOV C208IC2Q9fC21 2fC2131C214fC21 7CKOB473ZFM CERAMIC CAP. O./)H"F SOV C204fC206COMBI03KEH MYLAR CAPACITOR 0.01 "F SOV C215GALP3UKA04 WIRES KITRD25TJI02X CARBON FILM R. 0.25W IKohm R201RD25TJ211X CARBON FILM R. O.25W 210 ohm ",>3R02STJ393X CARBON FILM R. 0_25W 39K ohm ",>2RVNA1Q]B06 YR. 10K ohm B·CURVE 16M/M I·GANG VR'RVNA104B02 YR. lOOK ohm BoCURVE 16M/M I·GANG VR'RVNA203803 VR. 20K ohm B·CURVE 16M/M I·GANG VR'RVNA502A06 YR. SK ohm A·CURVE 16MJM l·GANG YR.RVNB503A04 YR. 50K ohm A·CURVE 16MfM l·GANG VRIISISS020220ZL SLIDE SWITCH S31S4fS51S6IS1SS020303ZL SLIDE SWITCH "YJB02S001Z DCJACK "YJC02S0Q9Z JACK "YJT03S003Z 3P JACK J41J5YJZ04SOQ8.Z 4P MIC JACK "ZMJ203ON06 METER •ZPA064139U LAMP PL2IPL3Z0A0770807 SPEAKER "AMRVC24OQ1 FRAME ASSY. ,BRT2635CAX THIN HEAD RIVET 2.6" 3.S ALMINUM BI H/Bl 1-2BSP8200lNN BIND HEAO SCREW +8IT,M2,,3 83- l/B3-10/B3-11183-121B3-2/B3-3183-41

B3,5183-6fB3-7/83-81B3-9BSPB2606NN BIND HEAD SCREW + BIT, '112.6" 6 B4·1/B4·2BSPB3006NN BIND HEAD SCREW ~BIT,M3x6 B10·1/810-2/86IB1, I IB 1-2/BB· I IB8·2/

88·3/B 6-4/B9·1189· 2/B9-3/B9-48SPB300BNB BIND HEAD SCREW +BIT,M3"B B5-IIB5-2/B5-3BSPL3OO6HB IIIND NAILSCREW + BIT, M3,,6 B12,l/B12-2/B I 2.3/B12-4/B 12·51B 12-6/B I 2·lIB12·BIISPS260SNN FLAT HEAD SCREW + BIT. M2,6" 5 B1,1 fB 1-21B1·3/B1·418 l·51B 1-6BTPX3008BZ I.T BT SCREW +BIT.M3"B B2,1 fB2-2/1l2·3/B2·4M8762SL008 FRONT PANEL •MLI2ISZ001 BRACKET 11.1(11·2111·3ML411SZ002 BRACKET "ML522BNOOI TERMINAL ..MS806BNOOI TERMINAL ..MT213BD014 SUPPORT ,MU243SZ002 BRACKET •MU617SZ119 CHASSIS 5MUl13SMI02 CASE A 6MU173SMI03 CAS" ,MV$RVC2401 SER NO PLATE "VFI760NOO2 WASl-IER 13-1/13-2VM165RXOOI HOLDER 15-1115-2VN216SM041 VR KNOB 3-113-213-313·4/3-5VN2B6SM019 CH KNOB ,VS20SFBOO2 SPECER "VS6Q5FBOO1 BARRIER 12.1/12-2VS706Y8006 SHEET 11·1/17-2117·3/11·4/11·5/17·6KCOOO264XX SCHEMATIC SHEETKTRVC240AX OWNER'S MANUALKF0917OOE.4 POLY BAGKF232200E4 POLY BAGKF303OOOE6 POLY BAGKKRVC24001 DISPLAY BOXACOC082GEA DC CORD ASSYBTPP40108N PAN TAPSCREW + BIT. M4" 10BTPT50IJAZ TRUSS TAP SCREW fBIT.M5" 13BWG50AOBSW OT LOCK WASHE R OUTSIDE TOOTHED. 5M/MS.ZNBWU40855SW IT. LOCK WASHER INSIDE TOOTHED. 4 M/M S-ZNMF284SNOO1 SCREWMU276SWOO2 HANDLEMZ33ISZOQ2 HOLDERZGAAZ50IKO MICROPHONEKMRVC~I MASTER CARTON

-PART NO. PART NAME SPECifiCATIONS SYMBOLIC OR EXPLODED VIEW NO.

VE76JSM121 FRAME '·AVS631AKOO1 FILTER ,.,8Sl'B3006NN BIND HEADSCAEW +BlT.MJx68SPf>3006NT PAN HEAO SCREW + BIT. M3 x 6 PLASTICBSPU3OO8NN THIN BIND SCREW +8IT.M3x8CCDBI21KOM CERAMIC CAP. l20pF "'V 0'CCDB181KOM CERAMIC CAP. HlOpF "'V e"CCD822OKOM CERAMIC CAP. nO' "'V =>CC082211(0M CERAMIC CAP. 220pF "'V COBiC99CCOB33OKPM CERAMIC CAP. '" 0' "'V enCC0839OKOM CERAMIC CAP. 39pF "'V e"..CCOl!391KOM CERAMIC CAP. 390pF "'V CO,CC0968OKOM CERAMIC CAP. 6Bo' "'V 0'CCOB82OKPM CERAMIC CAP 82 pF ",v C26CCFB02OCOM CERAMIC CAP. " ," "'V C51!C61CCF80SOCPM CERAMIC CAP. ," , 0' "'" C121CCF805OCOM CERAMIC CAP. " '" "'V C6BCCFSl()OOOM CERAMIC CAP. " 10 pF "'V C36CCF810lKOM CERAMIC CAP. 100 pF "'V CO.CCFS1'1ICOM CERAMIC CAP. 120 pF ",V C2S1C31/C44/C47CCFB1501(PM CERAMIC CAP. 15pF ",V e"CCFBl50KOM CERAMIC CAP. ISpF "'V cooCCFB151ICOM CERAMIC CAP. ISO pF "'V CO,CCF91l10ICPM CER....MIC CAP, 18 pF "'V CI24CCF81801(OM CERAMIC CAP. 18 pF "'V e"CCF82201<OM CERAMIC CAP. no' ",V co,CCFB221ICOM CERAMIC CAP. 220 pF "'V Cl0JCCFB2701(OM CERAMIC C....P. 27 pF "'V e"CCFB271ICOM CERAMIC CAP. 270pF "'V "'"CCFB390ICOM CERAMIC CAP. J9 pF "'V csCCFBJ91ICOM CERAMIC CAP. 390 0' "'V ""CCFQ..f1OICPM CERAMIC CAP. 47pF "'V C123CCF8-4701C0M CERAMIC CAP. UpF ",V C>6CCFB560ICPM CERAMIC CAP. .", "'V "CEA8JJOALX ELYT. CAPACITOR '" -' 6.JV "'"CEAC101ALX ELYT. CAPACITOR looJ'F "V '"CEAOJOALX ELVT. CAPACITOR JJ J'F "V w.CEACG70ALX ELVT. CAPACITOR 47 J'F "V ca,CEAOlooALX ELYT. CAPACITOR 10J'F "V Cl09/C79CEAOI01ALX ELVT. CAPACITOR looJ'F "V C9<CEA0221ALX ELVT. CAPACITOR 220J'F "V Cl05lC122CEA~70ALX ELYT. CAPACITOR 47 J'F "V CI28CEAEJRJALX ELYT. CAPACITOR J.J J'F "V CI08lCIJ4CEAE4R7ALX ELYT. CAPACITOR 4,7 J'F "V ca,CEAE470ZLS ELVT. CAPACITOR 47 J'F 25V SP enCEAGOIOlMN ELVT. CAPACITOR ,-' "'V"' coCEE0102ALX ELYT. CAPACITOR lOOOJ'F "V C110CEVOJOALX ELYT. CAPACITOR e",CEV~70ALX ELYT. CAPACITOR Cl02CEVEJR3ALX ELYT. CAPACITOR Cl07CEVGOIOALX ELYT. CAPACITOR e53CICOB10JPEM CERAMIC CAP. 0.01 J'F 50V Cl1 I ICI 351C22IC3JICJ5JC5/C66/C77CICOB222PEM CERAMIC CAP. 2200 pF "'V Cl26IC97CICOB22JZFM CERAMIC CAP. 0.022J'F ",V e"CICOBJJIICBM CERAMIC CAP. e"CIC08472PEM CERAMIC CAP. 4700 pF "'V ""CICOB473ZFM CERAMIC CAP. 0.047 J'F "'V Cl 30ICl J6IC 138IC59IC6IC74/C9CICOB561ICBM CERAMIC CAP.

"" 0' "'V CO,ClCfBI02f>EM CERAMIC CAP. IOOD pf "'V CO,ClCfBIOJPEM CERAMIC CAP. 0.01 J'f "'V Cl OIC I I 2/C I 271C30/CJ2ICJ8IC42/C4J/C55J

C8.CKfB222PEM CERAMIC CAP. m<> 0' "'V CI2SCKfQ..f72PEM CERAMIC CAP. 4700 pF "'V C90CKfQ..f7JZfM CERAMIC CAP. 0.047 J'F "'V CBOIC65COMBI02l<EH MYLAR CAPACITOR l000pF "'V a"COMB102ICTH MYLAR CAPACITOR 1000 pF "'V C06OOMB1QJICEH MVLAR C....PACITOR 0.01 pF "'V C721CBlCOMB1QJICTH MVLAR C....PACITOR 0.01 pF "'V C75/C76/C96CQMBHJ2ICEH MVLAR CAPACITOR 1IlOO pF "'V CI19COMB223KEH MYLAR CAPACITOR O.022pf "'V anOOM822JKTH MYLAR CAPACITOR O.022pF "'V C1201C83COM82721<EH MYLAR CAPACITOR 2700pF "'V CI16COM8J3JICEH MVLAR CAPACITOR O.0J3pf ",V CIISOOM8J3JICTH MYLAR C....P....CITOR O.OJJpF "'V C118

9

PART NO. PART NAME SPECIFICATIONS SYMBOLIC OR EXPLODED VIEW NO.

COM8473KEH MYLAR CAPACITOR O.047I'F ",V Cl1JIC40/C7/C89COM8473KTH MVLAR CAPACITOR O.047I'F ",V C71/C7J/C81/C84CQMB682KEH MVLAR CAPACITOR 6800 pF ",V C114COMB683KEH MYLAR CAPACITOR O.06SI'F ",V Cl01/Cl00tCSSEJRJMOC TANTALUM CAP. 3_31'F 2," 09'CTZ6200HOl TRIMMER CAP. CT·1/CT·2FBR455A24P CERAMIC FILTER '"FB10R7A01M CERAMIC FILTER C"LA1)Gl010A CHOKE COIL UOLA1KE101lA RF COIL ...LA1KE1211A Rf COIL U'LOAOB4024B RF COIL LI.-JLl5LDADXJ825M RF COIL "LF12.KC1)IS RF COIL U'LF2R2KD01N RF COIL "LF27OKOOIN RF COIL 271'H ULF68OlCDOIN RF COIL L I 2JL5LJ119HOO1V CHOKE COIL CH·lMII6«SXOO2 SHIELD CASEMLA5<lADOOl HEAT SINKMSJ27A()()IOot HEAT SINKMUoISJAOOOI HEAT SINKMWoI01CXOOI SHORT JUMPER JW·IOMW401CX003 SHORT JUMPERMWoIOICX()()oII SHORT JUMPER ""l>TBMI3-tAOX PRINTEOW. BOARDOOCTT410XO VARI-CAP. DIODE ITT410 12v NQ-RANK 26MIN 013103ODGOA90XXN GERMANIUM DIODE OA90 NQ-RANK 0111012J06/07OOSMAl50XN SILICON DIODE MAl SO VF 1.2V. VR 35V NQ-RANK 014/0161017/04/05109

24MIN00SSR1K.AP SILICON DIODE SRIK4LF VR 7.00 A·RANK 9MIN 0>0QDZA1062MN ZENER DIODE MA1062M D2ODZA109IMN ZENER DIODE MA109IM D'OOMAN24OPN ,.~ AN240P '"OOM~58AC I.C. LA6458 '"OOMQ720SET I.C. TA720S ",.0OOO7137AC I.C. LC7137 '"OTAJA100BO TRANSISTOR JAIOO PORO-RANK D"OTA0719XHN TRANSISTOR 2SA719 P.O,R.RANK DnOTCJC500BO TRANSISTOR JC500 P.O·RANK 012/014/02OTCJC50000 TRANSISTOR JC500 OJ'.O·RANK 01 BI019/020/021/022/023OTCI31BXDN TRANSISTOR 2SC13180.R.RANK D"QTC1327XBN TRANSISTOR 2SCl 327 T·RANK aDQTC1359XBN TRANSISTOR 2SC13S98.CRANK aooOTCH146XAN TRANSISTOR 2SCH1460.R.S-RANK a,OTCl909XBA TRANSISTOR 2SCl909 O.R·RANK Q6

OTC2724XOE TRANSISTOR 2SC27240·RANK a,OTC2724XFE TRANSISTOR 2SC2724 C.O·RANK 011/025/03ICM/07/08/09R025PJ101X CARBON FILM R. 0.25W 100 ohm R22/R28R025PJ102X CARBON FILM A. 0.25W lK ohm R24/RJ6/R37/R6SIR70/R 91R025PJ103X CARBON FILM A. 0.25'>'0' 10K ohm R2/R4/R60/R651R66/R 72/R74/R75/

R78/R 79/R851R90/R94R025PJ104X CARBON FILM R. 0.25'>'0' lOOK ohm '"R02SPJ121X CARBON FILM R. 0.25W 120 ohm '"RD25PJI$3X CARBON FILM R. 0.25W 15K ohm R42/R671RB4RD25PJ15<1X CARBON FILM R. 0.25W lSOK ohm Rl51RSR025PJl82X CARBON FILM R. O.25W 1.SK ohm '"R025PJl83X CARBON FILM R. 0.25'>'0' 18K ohm R6J/R82R025PJ221X CARBON FILM R. 0.25W 220 ohm '"R025PJ222X CAR80N FILM R. 0.2SW 2.2K ohm RM/R58JRS1/R93RD25PJ22JX CARBON FILM R. 0.2SW 22K ohm RlI1R46JR62RD25PJ22<1X CARBON FILM R. 0.2SW 220K ohm "'RD25PJ271 X CARBON FII,.M R. 0.2SW 270 ohm Rlli/RB7RD2SPJ272X CARBON FILM R. 0.2SW 2.7K ohm Rl0fR29/R69RD25PJ27JX CARBON FILM R. 0.2SW 27K ohm R52JR73RD25PJJ3IX CARBON FILM R. 0.251/11 33D",m R20fR44/R50R025PJJ32X CARBON FILM R. 0.2SW 3.3K ohm RI]fR3-tfR.l/R89R025PJ3J3X CARBON FILM R. 0.2SW J3K ohm '"R025PJJ9IX CARBON FILM R. O.2SW ""' .... RI6fRJ3IR88R025PJJ93X CARBON fILM R. O.2SW J9Kohm ",0R025PJ41OX CARBON FILM R. O.2SW 47 ohm R.SlRG-'R025PJ471X CARBON FILM R. O.2SW .70 ohm R31fR39R025PJ4nX CARBON FILM R. O.2SW •.71( ohm R IBfRJ8fR5.3IR6fR83fR92R025P.I473X CARBON FILM R. O.2SW .7K ohm RI2JR23JR26IR.9

ID

PART NO. PART NAME SPECIFICATIONS SYMBOLIC OR EXPLODED VIEW NO.

R025PJ414X CARBON FILM R. 0.25W 4701( ohm R76/R77

RD25PJ560X CARBON FILM R. 025W 56 ohm 'ORD25PJ561 X CARBON FILM R. 025W 560 ohm Rl/R57R025PJ562X CARBON FILM R. 0,25W 5_61( ohm R3/R51/Rl22R025PJ68:lX CARBON FILM R 025W 68 ohm '"RD25PJ681 X CARBON FILM R 025W 680 ohm R251R21/R30/R40

R025PJ682X CARBON FILM R. 0,25W 6.8K ohm '"RD25PJ8WX CARBON FILM R. 0.25W 82 ohm 'O'RD25PJ821X CAR8DN FILM R. 0.25W 820 ohm R471R1RD25PJ824X CAR80N FILM R. 0.25W 8WI( ohm '"R025TJ472X CARBON FILM R. O_25W 4,71( ohm 'OSR025TJ682X CARBON FILM R. 0.25W 6.8K ohm '"R025TOOOOX CARBON FILM R. O-OHM STRAITERGHANJ2718 M·OXIQE FILM R_ 1/2W 270 ohm R103/R96

RG1ANJ1518 M·OXIOE FILM R, '" 150 ohm Rl02RPDN850104 SU8-MINI VR. 'V,RPGNBW201 SEMI-FIXED VR. 2K ohm B-CURVE 'V,RPGNBW301 SEMI-FIXED VR. WK ohm B·CURVE RV1/RV3/RV4RPGNB30101 SEMI_FIXED VR. 300 ohm B-CURVE 'VSRXHANJ100B M-OXIDE FILM R """ 100hm ""RX1ANJ4R78 M·OXIDE FILM R. 'W 4_7 ohm '"SRW4020JH ROTARY SWITCH SW-lTRASCZ001M RFCOIL "TRASCZOO2M RF COIL "TRA5CZOOJM RF COIL "TR07LAOO4N I.F.T. noTR07LA02JN I.F,T. T111T12TR07MAOO6N RF COIL TO

TR10CAOO6T RF COIL "TR1OCB003T R,F.T, nTR1OCMOOJM RF COIL nTR1OCPOOSS RF TRANS TOTR100B003M RF COIL T'TRlOMA01BM RF COIL T'TR10MPOOJT RF COIL TSVS223RHOO2 SILICON SHEETVS311XXOOl BARRIERWUG007EEXX HI·WRAPWIRE '"WUG013EEXX HI·WRAP WIRE '0'WUG116EEXX HI·WRAP WIRE '0'WUG218EEXX HI·WRAP WIRE '0'WUG313EEXX HI·WRAP WIRE '0'WUG417EEXX HI·WRAP WIRE '0'WUG611EEXX HI-WRAPWIRE '0'WUG913EEXX HI-WRAP WIRE NOlOWUH004AAXX HI-WRAPWIRE N017XAS1C2006X XTALOCILLATOR XO

YFLOOOOOO1 FERRITE CORDMW401CXOOl SHORT JUMPER JW-l0

PTLOO10COX PRINTEDW BOARDOL'SL2221C L.E.O. SL2221C GREEN COM-A. ,<0ZZZ0000020 PC JOINT.CKOB103PEM CERAMIC CAP. O.Oll'F SOV -0. +100% E C251MW401CXOO4 SHORT JUMPER JW-5 nPTSWI54AOX PR-INTED W, BOARDQDSMAI50XN SILICON DIODE MAI50VF1,2V. VR 35V NO·RANK 0251/0252/0253/0254/0255/02561

24MIN 0257/025810259/0 260/0261/0 262OTC1383XAN TRANSISTOR 2SC1383 Q·RANK 0251RD25TJl02X CARBON FILM R. 0,25W 11( ohm R251/R 252/R 253/R 254/R 255/R256/

R257/R258/R 259/ R260/R 26 I/R2621R263/R264

RD25TJ22JX CARBON FILM R, 0.25W 22K ohm R265

11

EXPLODED VIEW

•;.;.

12

\--_.

Y·ISOA.a1122M1PRINTED IN JA~::