:L:'OR

:Sc<uipnent require C_ ,~n ",! ~ s i gn c.I gc nc r-c.tor- cove ri:flg 150 }\c/s to 1. 5 Lc/s 0

(oclulc.tGd 30,,; at 400 cps ,

If ['.n I"r1 gene r~,tor is not Clvcilnble an .JI gone r-r.t or- c..n be use d ,SCG flltornc'.tive [Lligllment instructions.

",,,vel1ve vol tr.ic t er- ,0 or 2. 20 s 000 ohrJs-per-vol t De te r.

Setting Up1. Set Controls ns follows:-

Vol UDe t o max.i.rium,I' re b le t 0 rri ruraum ,Bo.sC-5 to r.u n.lrium,Selector to mcdi um vuxvc ,Tuning to fully me s h tuning c ondc ns ere

~3o Cormec t n 15 011[,1 lo~.cl and o:.C vol traeter ae r-oac spco kc r- t errat nu I.s ,

3. Using 8. warm screw driver to mo Lt VJClx~unscrew a l l tuning cores untilthey ar e r.bout ':"If f'r-ori fully sc r-cwcd out posi tiona

_.,J[ II" Sto.gc s ,

4. Connect signnl generCltor output to fr0nt section of tuning gClng (023)a t the enme time using the e ar t.hy connectim of the generntor lead toshort out the renr section of the tuning gClng (C32).

5. PGec~ in 2. 430 =cc/s modu Lnt c d SigILlI n~1cl..2.('::'just cores L229 L210 1,14 andL13 in t hnt order for max imum output on Deter. It is importcmt t hn t DBthe circuits nre brought into line the output frOG the generator shouldbe c'..oc r-eas cr: so t.hc.t the r-ead i ng 'Jj1 the out put ),10 ter cloes not cxc oe d50 d~ ( r 2.5 VOlt).

jJ~ RF am" Oscillf'.tor Stf'.ges

6. Connc c t s i gneI go nc r-c t :r to the .jI clori2.1 and s oc kc t s , vt a a durnnyr.e r-r a l , :.::'00('. in 8. 430 EC/s s i gna L and ncljust core of Ll0 for md n.Lmumout ute

7. Check t: at tho cursor is in line w i th onci. of sco.le when the tuning g:',ngis . f .l l y ope n ,

8e \.-;ith .LhG receiver sw.i t.c hc d to LIcV'io and t unc d to 600 Kc/s (500 1:1)" feceLr t: :=oculn tad 600 KC/S signc.l and ~:.c1just corc of L20 for max.irnum out-~ut. ~~Gn r(just the position of 2erio.l coil (L12) on ferrite rod for:ill:.=-~-=i.E__ou t.pu t.

--- ---r:- •- "-_. =-'- is Ltrpo r-t an t to ko cp the output from the sLgriaL gencrc:.tor GS

_O~ 2S possiblc~ as in soctinn 5.s. ~-.c t~c receiver to 1.5 ~c/s (200 m) feocL in G 1.5 KC/S signnl c:.nd

['.(~jus t S31 for mr.xlraum out put., Thon c:.cljust C22 for -max.irnum output.

10. Repcf.t oue r-at i ona 8 C'.nC. 9 until no improvoDent in cn Lr br-a tLon or ou t.pu tcr.n be cb t.a Lncd ,

11. Swi tch receive r to L 0 F,i 0 C.ne"'. tunc t t) 200 Kc/s (150 m) 0 Feed in a 200KC/S s Lgna I rtnd ;::,~("just core of L18 for maxLmurn vout.pu t . l' hen rtc'.jus tp os i t i on 0 f c or-Lo.L c oi L Lll on fcrri to rJ( for maxLmum output.

::'-2. ..;'-~tC:1 r-cco i ve r to J.i', ;'.n RCE10ve QUtput met c r-, COn~1GCt v21 ve-vol t.mct.er'J~ 20p 00 or.lTIs-l)Or-v.::·l t me t o r- ocr-oc s 0.(19 ~L11(~ set it to t11\,.: 10 volt J)I) ~~c

rc.nge. lune receiver to 100 ~c/s (n)prox). Set 0..11 ~ther controls nsin setting up procedure.

13. CO~:1QCt :8'.f\i: s i gnc L Eone1"~.to1" to con t.r o.l (,Ticl. of \[3 (pin 2.) Peed in c.10.7 L:c/s si.z:n[~l c.:'eviitc~-~ by ± 25 l{C/s c,n('. nCjust cores of L24. L23for max ir.ium ron(~in::! on v)l tneter.

14. '1'1"211si'0r sis-ncel gellOI'r,tor to con t r o.I e;riC of V8 (?in 2). l:cc1just coresof 1.16" L1.5 for d2XLlUD re8.c"..inc>

15. 'rrc.nsfer s i.gnrL ge:.lCrntor to vl using c. cr.pc c it.y clip rouncl envelopeof vc I,vc ::-.11(:'c,djus t coros of I.J8 ~ L7 for n,~xir.1un roc. (ill!?>

16. 1'ifith gono r-r.t or- e t l Ll, c onne ct cd to Vl rcpe:.~t. :::~c"'..justl:lcnts o.s in 13,9 14o.m".. 15 urrt L'l no further Lnc r-er.s e in r-euda ng on voltmeter c on becb tn Lne d ,

~gust[:lGnt of I'Teutro.lizi~lg Conc1cFlscrC8

l'TO'l'E: This 2c1justmont mus t be ca r-cf'u l Ly cr.r r-i Ol'. out, us any e r-r o r' may rnc.kothe trucking of the RaF, coil Lmpos s LbLc ,

tc c".iClc:'eprobe such [~D t hr t suppliccl. w l t h c er t.c Ln typos of FI! gc n e r-nt or-e 0rvulve voltmeters is rcquireC for this 0C.justment. If 0. prClbc is notr.va i Lcb Lo 0. det.ec t or- circuit nus t be [1<'.c:eup as shown and i f3 used inc on j unc t i on with the va Lvc-cvo Ltmo t or- of' 20,0000 ohma-jic r=vo l t met or-,

iOOpF

41( Ir--",,-.•.--.--..---~TO VI ANODE OA8!

1S0pr 470Kfl70 VALVE V/METEROR MICRO AMMETER

4701<12

CHASSIS

17. Disconnect s i gna L e}Jl1cr[~t:Jro Connect va Lvc-evo'Lt.rnc t c r- em J.l.0 range (vi:::.(:'iode probe or DO rr.ngc and abovr. circuit) be two en the anode pin of VL:,.(Pin 1) and c ha s ei e , ~unc the recei vcr to 95 Ec/s r.nd ncLjust 08 f~)rr.ri.nirnum output.

If 8. vr.Lvc= vo.I tmc t cr- is not [,~vclil:::.b1e C'. niCrO-nDEloter c an be ue ed with r.~iodo probe C'.s ,,-bovc~

18. Di e c onncc t c.1iJcLepr-obe [met. ro conncc t Deter n cr-oas C4·9 2S in 12.

Connect s i gna I gcnero.t 'r to FI"aeric.l s oc ke t , TUllO receiver to 104I\'~c/s. Foe (1 in 2 104 iIc/s s i gno I r.nd adjust c or-e s ')f L6 and L4· formrxtmum r-eud i.ng on vol tooter.

19. Check cr.Lt b rrrt l on a t 90 Ec/s. If there is mor-e t hr.n ± 0.5 [,lC/s err')ro.c.'.just ap cc i.ng on tuning c Jnc"'..clJser va ne s C12 and 06. Re-che ckc aLi.b r-nt Lon n t 104 nc/s and r cpent ndjustli1C6nt until there is ~10 furthertmpr-ovemorrt in .cf'.librf'. ti ,)11.

}\:O'l'E: Only 0. very slight ad jus tmc n t t o C12 s hou l,r. be nec de d , Bent Jut ifreceiver tunes hi gh , bent Ln if receiver tunes Low0 Use the SC.r.1Cmct hod IJl1 the Rli' s cc t i on 0.6.

20 .. -, ne r-cc e i.vc r- to 96 :~c/s f'o en in:: _::- =-::_==--=-: ".~..L _ut

c.; 96 I\~C/S s l.gnc L and c.cjust cor-e s '")f

r

P2.ge 8

21. Connect DC vol tr.io t.c r ['.cross C49.

22, ::7ully unscrew core')f 1,240 'l'hcl1 using c 10.7 I:C/s unriodu Ir. t.o d e i.gnn.Ica r r-y out C'.liCDLlent [',S 'ill PI; c,licnl:1o::'lt with I:'E e;cl1erctor ae ct ion s 12s13~ 14" 15 <:1nc116. ~3Ui' DO :JOT ',WUC~-J:L24"Cl,urinE: this.

23. With n 10.7 ~c/s ul1Dodulnted sigunl fc~ in vin vl scrow in core ofL24 o.nC,nc1just for zero vo lt s with the DC voltncter connected be twccnthe junctin ~)l--' L25" R22 c"~n:l earth.

24. S:hcn co.rry')ut L',C:~justment of C8 r~s described undc r tli.djustIilentJfNeutralizing CJnc1enser C81t•

25. Cnrry out RI~ nnc:'Jscillc~tor o.lignmcnt c~s descri b cd und or- Fi': [1.1ignmcmtwith m~ gcnerntor pnrtsl 18B 19 2.nd 20.

l\ilc,in VJl t2.ge = 235 vvoltage nc1justing plug on 240 - 250 tnp.Fo Si£nnl input.Receiver switched ns inc1ic2.tG~.Vo Lumc 0 'l'rcblo anr' B2.sS controls set to mi ru.muri,,,',II r-ea (ings t.nlccn on '"va Vxldl 8 rooo v r-ange except where other-wise Lndl cn tee:'.'"

SELEO'l'ORSCREEN GRID

VlnVlbV2V2

:COC85 165 1. 4, !~l HitIt 170 -1. 0 If

EOH81 Hcptoc!.e 190 50(2) -OOC) MY\!=sOH81:rrioc1e 90 -7 II

}j;F89 190 85 -0.6 (i~ "BB91 II

EhI81 190 30 -0.6 ~l "E0085 170 -0.5 FI!:B0085 130 -0.6 f:/flilJ

BOL82 'I'ri ode 60 1.0 3 It

:IT;CL82'I' ri 0 Ge 198 170 -3.2 1) "IJCL82 'i'riocle 115 II

BOL82 Triode 198 170 -3.2 ( 1) II

EZ81 205 ( ,±) 240 \I

---------,---_ ..._ .._- ,..-------------,.- ..-,..~.•.-"" ..

V3

V5V60.V6b"\/70..V7bV8nV8b/9

o10 LeClsurec1 on 10v DO rringe 4

2. 74 volts when switched to FM.3. _! .r.sur-cd t'r om c a t ho dc to chns s i s ,So. _-C 1000 v rGne;c.

VBLf4 LfG@]@]

fc\fc\ @~~

l@;;;> ;;;;;;~~;;;;;;;;;;;;;;W;;;C3;;;;®;;;;L~C;:;;;;;;;;;' Ed;;>~I;;;> C;;;22;:;;;;;;;;;;:;;;;;J

Page 9

PLAN VIEW

. -, ',~':'.

II!

+ C=::J-C49

4MFD

@TI

LJOL24

o~2~-......~22.@47flG

L80 >GeeL60 Ll50 OLI3

G OL4

L30

@00ue L20

UNDERSIDE VIEW

!I

T2

wweye

@FMIE

Page 10

VALVE BASE DIAGRAMS - DRAWN AS SEEN Fl<OM UNDERSIDEo~ BASE

£89./

LENGTH OF CORD !2EGUI,t';ED. 4FT.

~-----------'--ollif4.;-1~----r'~

. CURSOR--1

~. ~. B

DRUM/ "A·7

21/2 TURNS ROUNDCONTROL SPINDLE

DRIVE CORD ASSEM8L Y'