O RADIO RETAILING'SrrSevuieAfRL|NE 62:2126Dead open secondary of an-terrna coil. f,oil rrust be renroved to6nd tr-ouble.AIRLINE 64. Inoperative
O RADIO RETAITING'S ,,,eh{ticell oAPEX 11, 42 Oscillation over entirescale. Try 2,000 ohm resistor in secondr.f. grid lead.APEX .16Distortion
? RADTO RETAtLtNG'S ",.ARVIN 35. Poor tone . . Replaceboth .01 mfd. audio coupling condensers'with mica moulded typel oisame value.ARV
O RADIO RETAILING'S ",ezZdmhpttuotl,tt iA.K. 46Distortion.5 mfdof firstoriginalAK 37-60. New, double-spring contactarms are available at th
O RADIO RETAILING'S ,,.a,ui@AK 55 (Early). lntermrtrenr opera-tion after a few minutes of use, recep-tion gradually fading out completelywith a
[]@ RADIO RETAITING'S"SquieA.K. 3r7, 337, 637No broadcast reception checkvoltage on oscillator section of 6A,8.This should be approxinrat
O RADIO RETAILING'5 ,,,q\deeBRUNSWICKBRUNSWICK ACIO. Weak signat,all voltages ok . Voice coils com-monly blow.BRUNSWTCK lt, t2, 15, 33Weak or
O RADIO RETAILING'S"SetuieBOP CHEVROLTT. Pronouncedvibntor bvzz . .. Removc 75 tube. Iftroise ltops rcplece tubc end rhort scrcw-driver
; RADIo RETAtLtNG's rr,eh.n@COLONIAL C-995. A hi-lo sensi-tivity switch, which will cut down'inter-station noise when tuning locals withthi
O RADIO RETAILING'5"SquireCROSLEY 58Dead. . Suspect metal cased con-denser containing r.f. plate, screen andcathode bypass (part #W7753). I
ntllltlIWESTON Modcl 787U.H.F. OscillotorWESTON Model 776diroct-rcoding OscillotorWESTOII li-odel 772Supcr-Sm:ilivc AnolyrerHER.E ARE THE ANSWER,S:t T
A RADIO RETAITING'S ",e)'decRosLEY A-r57..Set stops playing when jarredinstall new tube socket for the 6A8Gas original unit does not
o RADIO RETAILING'5 ."Se'zuie,CROSLEY 555Loss of volume . . . leaky condenserNo. 14 in schematic connected betweenanode grid of conve
O RADIO RETAILING'S ff,erdeCROSLEY Showbor. No r.f. platcvoltage. Shorted 5 mfd. condenser by-passing B-rupply lead is reported asmost com
O RADIO RETAI tI N G'i_J7,EMERSON MAC-7. Dead . . . look for open 2000 ohm1-rvatt cathode resistor on 5g.SYPBSOII. M-AC-7. r{unr, afterDerlg n s
O RADIO RETAITING'S ".eZdreFAIRBANKS MORSEFAIRBANKS MORSE 42Motorboats when volume is ad-vanced on strong stations sus-pect 8 nrfd condenser
O RADIO RETAILING'S ",enuieFORD PHILCO I937Ignition interference Male endof antenna lead making poor contactin set socket. Solder short
O RADIO RETAITING'S"Sq>uieG.E. F63Distortion on strong signals.Resistor (R3 in diagram) conducted towrong 'lug on terminal strip
@ RADIO RETAILING'S ,,,e&[email protected]. A-85I-orv volrrnre or no receptioncheck voltage across 3000 ohm 6rstaudio cathode resistor. If less tha
." RADIO RETAILING'S ,,.eh'[email protected]. Er55, rl26Noisy volurne control. Beforereplacing volume control, replac-e 6C5firit A.Ir. In models
O RADIO RETAITING'S ".ehuiaGRUNOW 8ALow volume, high plate current onoutput tube . Low resistance shortof the output tube's bias resis
RADIO ond Television RETAILING'SSenuire S/rr'nf errJr1940 Edition of "Tricks of the Trade"- - Enlargcd, Reviced, RenamedPractical
O RADIO RETAILING'S ,',e/rui@KADETTEKADETTE K634Present \\'a\-e trap is rrot sufficient tostop code irrterfercrrce. Disconnect wavetla
IiO RADIO RETAILING'5 ",e2deMAJESTIC 50. Set dead, no platevoltage on second detector but all othervoltages only about l5 volts below no
.O RADIO RETAITING'5 ,,,atui@MAJESTIC 66. Normal voltages, vi-brator ok but s€t don't play . . ' Try re-moving shield of i.f. coil, p
O RADIO RETAITING'S ",a,ui@MAJESTIC 908. Internuttent re-ception Sometimes defective chokein r.f. lead. To renredy, short out choke.Perfo
@ RADIO RETAITING'S ",qZuieMAJESTIC 3OOOverload with volume all on, still notenough volume . . . high resistance leakin coupling condenser c
lrERIquRRIERsTOR TH E ]IN EsTRRIIIO TUBESRUT HORIIRII U EIETHNItRltnI0RmRIl0ntIh.ough its achievements in thedevelopment and manufacture of the f
THBRB'S NBVBR BDBI{ AITYTHIITGTIKB TIIBM !Third, EditionR.ADIO SERVICEENCYCTOPEDIATHE SUPPLEMENTAIITYB MOI{TITIY TBCIIITICAT SBBVICB' "
RBAD WIIAT USBNS SAY !"I wich to compliment you on theexcellent work you are doing andthe service you are rendering theRadio Servicenran.&quo
;FdIz:)ooahu.lFzo!od.(Jf,ooVIzn9::r!oxo(J=Nulo;ooUJJrllFd=z=;zodFvld.tr|IItooo?Fttl:)[email protected] - 5OA1 E MATERIAI.S USED 'N RADIO TUAT
aIO RADIO RETAITING'S ","2deMIDWESTMTDWIST t6-t{.Poor selectivity and weak reception. . . This model does not hold its align-ment due
O RADIO RETAITING'S ,,,e/f/ui@MOTOROLA 77A. 'Loud whistleand distor.ted reception in early nrotlels. . Generally caused by breaking ofsolid
IRADIO RETAITING'S ","/ruifuPHILCO TI.Set blows fuses andvibrator is found to be ok . . . Checkfor short between speaker field hou
A RADIO RETAILING'S ,,,ehuiell gPHILCO 20. Bad tone, pitchcohigher than normal. Rcplace old coneusing solidified disc with new spidertyPe
? RADTO RETAtLtNG'S ",PHTLCO 39-307Oscillation as volunre control is ad-vanced replace .0002-5 nrfd platebvpass on 75 first audio with .0l t
O RADIO RETAILING'S fIeUioo?H[CO 60Intermittent or low volume . . . Checkfor high resistance opcn in secondaryof antenna coil.PHILCO 60.
YiO RADIO RETAILING'S ".ehdePHTLCO 80Wc:rk Clrcclr rrircl c;rtlrotlc r.c:i.t,n' [,,t' clt;rttgc itt rerirlrrrrc,'.PHILCO 80I
A RADIO RETAITING'S ff,ehui@ hptlcotll," dPHILCO 9lX. Hun.r, developing aftcrfew hours of use, accompanied by dis-tortion . . . Replace inp
@ RADIO RETAILING'S ",ehui@PHILCO 2Zt, 22t A, 2t, zt{Dead; sometimes distorted, tunessharply . replace Cathode bias re-sistor of 24A dete
O RADIO RETAILING'S"SqtcdePHILCO TRANSITONE. When in-stalling set in 1934 Chevrolet do notmount on right side near coil if this isavo
O RADIO RETAILING'S ,,,qr,ui@RCA T7.5Distortion, high plate current in 6F6output stage Increase bias resistorto its normal value and distortion r
ltUhat ttilill lt Cost to FIX lt .Don't ask a radio serviceman this question and demand an immediate anslver un-less you are willing to accept a
O RADIO RETAITING'S"SeutieRADIOLA I7No reception look for opensection in voltage divider located onchassis sub-base of socket power unit.Fr
@ RADIO RETAILING'S ",q'deVICTOR 32. Open speaker fields areoften easily repairable. Remove coverand look for burned or broken wire.U
O RADIO RETAITING'S"SauieRADIOLA {.t, 46Difficulty in aligning Probablydue to shorted turns on the small, uni-versal-wound plate coil. Rep
O RADIO RETAI tI N G'i_7',RADIOLA 64RADIOIA 80. Fading. intenrrittent reception, sta_tions rece'ivetl below trr"i, o.'ig.i;;f
l:O RADIO RETAILING'S"SqzuielloRCA 96T4. 96T5. 9616Pushbutton antenlla trinrruers rvillnot tune look for sholt to livetbetween back to &
T-.O RADIO RETAITING'S ff,ehun@RCA 281l)istortion on locals ntake sut'e76 and 6D6 tubes ir.r special a.v.c.circuit are O.K. I{um check42
O RADIO RETAILING'S ,,,ehui@SILVERTONESILVERTONE field-coil resistancedata:NumberKing-made Silvertone 909495100111lllB 75v750SILVERTONE I ]OUnst
O RADIO RETAILING'S ".eZuioe;,l;i''t$'{:lj''.i':i"1$str$q,itSILVERTONE 16,t{r. Blurping athigh volume t
O RADIO RETAILING'S ff,A/uieSPARTONSPARTON I. F.'TMODEL MODEL MODEL9-X t72.5 '5 172.5 75 {56| 0 t7 2.5 t6 t7 2.5 7rA 156t2 t72.5
O RADIO RETAILING'S"SezuireSPARTON 69, 79, 79A, E9. (Numberterminal strip posts I to 9, from frontto back.) Detector plate voltage, ter-
whv0000 sERt|tctl||El{ c]|ARGt tOR t]{SptcTt0il.It 0ftcn Tokes longer Io lind The Trouble In A Rodio lhon ll Does Io fix h@ACCURATE tSTll'llTtS?a
rriO RADIO RETAITING'5 ,,,"htti@'hnlslilhtt lSPARTON 600X{otorboating Check the biasresistor on the 183 output tubes. Theresistance s
O RADIO RETAILING'S ,,.ehube&. checkof this unitSTEWART.WARNERSTEWART-WARNER, Loss of vol-unle or sensitivity after defective by-ptrssconden
O RADIO RETAILING'S ,,,a,uhell oSTEWART WARNER RI8OAfnsensitive, dial off calibration, im-possible to align at lorv end of dial. . . . add .0
o RADIO RETAItlNG'S "SezuiuSlNOMBERGSTlOMltlG ro, n.FedinS, making it necessary to oper-rtc rolume control well up . . . Sevcnhundre
O RADIO RETAILING'5 ff,ehdeTRUETONE 5KCrackling, vibrator and ignition quiet.. . Antenna transformer shield canungrounded. This condition may
rO RADIO RETAILING'S ".qZdreWELLS GARDNER 5ENoisy replace con<lenser be-tu et'rr plate of 34 i.f. and grirl ofsecontl (letector. Th
O RADIO RETAILING'S ",e)'deZENITH BATTERY MODETS 1F227, EFa?I,5F25 |Complaints of short "B" battery lifeand poor tone qualit
O RADIO RETAILING'S ",e)dezENtTH 5s-t27, 5s-t50After a few minutes of operation allsignals but locals fade completely. Re-place the 6A8G ca
O RADIORETAILING?S rrSenuieZENITH 5528Dead or rveak on automatic tun-ittg check C2, a 50 ntmf. con-denser for open (part No.22-289)ZENITH 56,t7Blown
A RADIORETAItING'S "SeufiwZENITH I93' MODELSStrong motor-boating with switch indistance position . . . replace screen gridand plate b
A good rcdlo-icrrvdrlvrr" holdyno wlrl hrodqucelrrr "ln th.lr hst" netucelly orl l.rr brccutl tl.lr..ilrl.rlrf tt re*t teriYosr.deli
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E!!rHOW MUCH ELECTRICITY?SMALL AC-DC MIDCET| 4- 5 feber IAverage drain 55 WattsAverrge Cost 2,10-cent per hourSMALL AC CONSOLE( 5-9 tubcr IAvcragc dr
$TAII TRANSTORMTRSare standard equipment in millions ofteceivers, all ovcr thc world. Andthere is a complete line of Utah re-Ao placementtransforme
O RADIO RETAILING'5 ,,,eUieAC.DC SETSHUM IN AC,/DC SETS\\'lrt'rr :tlnornr:rlly high hum nrodula-tion is prr.rser-rt in a-c/cl-c rccciv
AIRLINE 62.89Insensitive Last i.f. transformerdefective. Replace with part #P5127;other transformers unsatisfactory.AIRLINE 62.99Iuoperative Poor 32 o
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