ORDER NO. AD9s0512902 Service Manual Radio FM-LW-MW-SW Portable Receiver R F-3500 Colour Europe | Briain | w | | | i hay @ Specifications Frequeney Range: Power Requirement: FM 875-1080 MHz ac (EB)..240 V, 50H ww 1485-288 bie (©)E)..290 V, 50 Hz maw 520-1810 KHz Battery BV (Four AYS/LALS, UM2 batoros) sw 59-180 MAE Power Consumption: 5 W(AC only) Intermediate Frequency: Spoaker: 10 emPM dynamic speaker, 272 FM 10.7 MHz ‘Output Power: 1.0 W (RMS...max.) AM (LWIMWIS¥) asgktiz ‘Output Jack EARPHONE: 0.35,3-80 Sensitivity Dimensions: 248 (W) 142 (H) x 92(0} mm FM 8.1 uV/ 50 mW HP. output Weight 95 g (without battones) (3.48 Limit Sens, ww 79 Vien) 50 mWHP. output (ax Mw Vion $0 mW HP. output (Max sw 6.3.u¥/'50 mW HP. output (Max) Notes: 1; Weight and dimensions shown are approximate 2. Design and specifications are subject to change without notice WARNING ris service information is designed for experienced repair technicians only and is nat designed for use by the general public. It does not contain warnings or cautions to advise nor-lechnicalindivisuals of potential dangars in altempting to service a product. Products powered by electricity should be serviced or repaired only by experianced protessional technicians, Any attempt tc products doakt with in this sen ‘else could resulln serious ijuty or death fepait the Panasonic‘Schematic Diagram Prinlod Circuit Board and Wiring Connection Diagram RF-3500 | @ Contents Page Page Lecatoe of Conttls Measurements and Adjustments 38 Operation Check and Ropaceren Pars Uist iowa Rian Component Replacement Procadues Packacina i Canine! Pats L2caion 3 @ Location of Controls @Operation switeh (OPERATION) @Tuning indieator (TUNING) @Tuning control (TUNING) @Tone selector (TONE) (@Volume control (VOLUME) @Volume indicator (VOLUME) (Band selector (BAND) (@Band indicators (FM, LW, MW, SW) @Earphone jack (EARPHONE) (0 9.5, 9-82) AC socket (AC IN) ‘How to use the earphone (not includes) Floduce the volume level, Connect he ‘earphone tothe earphone jack (2). ‘vod listaning for prolonged periods of time to prevent heanng damage, + Speaker is automaticaly cutoff when the fearphone is connected, Listening to the Radio Follow steps 1 ~ 4. pee sane When tuning into stator, tho turing nea Wit Oss cit vane uminate we To turn off he unit, press OPERATION. m Antennas FM: Pub out the toloscopic antonna and adjusts length and angle for optimum reception, LW ‘The buitsinferte core artonna will provide excelent LIN/ MW reception in mast areas, Turn the unin the erection which gives the bes reals since the fee core antenna 's directional. sw: Extend the telescopic antenna fuly, Keep it vertical__RF-350¢ | @ Operation Check and Main Component Replacement Procedures co 1, This section describes procedures for checking the operation of the major printed circuit boards and replacing the main components. 2. For reassembly after operation checks or replacement, reverse the respective procedures. Special reassembly procedures are described only when required. 3. Illustrated screws are equivalent to actual size. 4, Refer the parts No. on the page of “Main Component Replacement Procedures”, if necessary. 1. Checking for the main P.C.B. | Flelaase the 5 ribs, Pull out the Remove the tuning tol and then remove = | Flemove the front a ae the dial scale, fone knob cabinet ass'y cp ull out the volume knob, /Plemove the lever. ©mmmoe xTVa+166) | mp oo | PxTV3+106) @meo Remove the dial chassis. [xYN26+C8)_RF-3500 + Check the main P.C.B. as shown below. coe cp Fate the shaft | iyin the alrecton | Qmo farm XYN26+C8) Pointer Band knob ep BISHEA Align the lover with the band knob, [installation of dial rope | I eseeeetion a SeLices | cc op Tight the dial rope with spring, and ‘Align the pointer with the marking, than fx th adhesive agent and then instal the pointer guide Install the dial rope, and then apply the ‘Attach the dial rope, adhesive agent. inorder as shown right Rotate the dial drum fully inthe ditection of arrow.__RF-350 2. Replacement for the handle | oe Vv \\ ee) 3. Replacement for the speaker ‘Speaker EAS10P241JA3 r the speaker terminals.@ Schematic Diagram Divan incur Notes: esi ‘Operation ont swith to “ON" poston #'S2-1-S28 ! Band solet switch to "FM" postion (FFM, LoL MMW, SSW) os AGIDC selact swith ation. 36 “Tone select switch o HIGH" postion. yar ‘Volume contol VA ‘Battery current Vol in. mM (FM) Vol max...286 mA (FM) 31 mA (AM) 270mA (AM) Measurement instruction (AML iMWL WISH 78 Bim 20% Mo Lem 60 8, 20% Mod. “© 1C voltage measurements aro taken with olactonics voter. ‘The negative termina of he ballary provides negative meter connection point (Conn AM (MWRWISW) <2 ora FM ‘important safety notice Components identified by ZA mark have special charactorstcs important for safely. When replacing any of these components, use only manuiacturo's spactieg pars ‘This schematic diagram may be moditied at any time with the development of new technology. >: FM Signal Line ===: +8 Line sauna : AM Signal Line OPERATION circuitRF-3500 @ Printed Circuit Board and Wiring Connection Diagram Droemonrce, By wane (BBB ee) Bhexrcs ee (EE) Cerner one gan maybe realest any ten inthe avlpmentot ne eho ANT2208 ANT205 Baser |, 3 | | sos * a ' 28cs96FONPA ° 2scswoenra |RF-3500 - i @ Measurements and Adjustments ALIGNMENT INSTRUCTION - [ [READ CAREFULLY BEFORE ATTEMPTING ALIGNMENT "= Sor poner sours velago 06 VOO Gn voure cols maxinr | # Setoperaton swich a ON * Output of signal gonerator should bo no higher than necessary io | sSatband sae Sach to FUL, MW ar obtain an output Teasing. “The pars other han th ones Hated below are algned at he facory before they are) AM ALIGNMENT | Supplied, Therefore, aignment of hose pas Is unnecessary when usod for replacement. i aa - [SIGNAL GENERATORGr | INDICATOR SWEEP GENERATOR RADIODIAL | (ELECTRONG | ADJUSTMENT newanKs = SETTING | VOLTMETERor | (RefertoFig.*) CONNECTIONS | FREQUENCY | | oscutoscore) C "AMLIF ALIGNMENT | Teas - - Fashion a pop ot saverl | Slee on] times nareame | | pomstron [raemeptes Ye | trim cu ‘a signal into the loop ant. | || men connect te tad (AMET) a “ | Snes rahe BK | ee | | [ines insrmon, { LAF ALIGNMENT I Tuning f b (ByEB)138442 | . a : a (erar=sine | Sgter My . wwoseeen | . (ee) 207 wee) TUNING | 7 cts | a MEN:-297 = 5 kHz) mae | (LWOSC Trimmer) - / el ; ja for maximum alpat a , | rouse (ase va «| . 14suz | Tune to signal wnt ay ABest. i morgcos ie . cr ‘Adjust for maximum oubut Gl “ eae) alec {LWANT Trimmer) | Ropoat stops (2-15). (1) Ficantonna col wih wax attr comploting alignment. I NWARP ALIGNMENT cr =e Toning T 68): 511 wee a © a ie capacnor uy a | adjust for maxinam ouput | (ei: Stas ere wawosccon | \eore9): reson Tun } ocr | a ” capactoctuly | ” 4 | gust or maximum output | {€):1600 5H pon, | [01 086 Tne t | Tater [Adjust fr maximum output | ” ssoktiz | Tenetosgral » | eawravet con [AdustL6-1 by moving od | | along the fre core. / : > | Giva [Adjust tor maximum output | come “ | taw ant Trimmer) | Repeat steps (6)~(9). (72) Fic antonna cot with wax ator completing aig ‘SWAP ALIGNWENT i - Tuning ] ] 9 ” S75MH2 | capactor tly | ” 10 | Aust for maximum ouput | a | iswosccon | - Tung] aw a rate | capactor un * Aajus fr maximum ouput F . ur ‘Aust for maximum ouul te) “ ieee racer ISWANT com _| Ropoat sions (10)-(12.(Gio a SIGNAL GENERATOR | INDICATOR SENEATON RADIODIAL | ELECTRONIC | ADIUSTNENT | a t SETTING | VOLTMETER or | (RelertoFig. 1) Gowections | FRQuency| I foscatoscoreill “ AUGNMENT Connecttotestport | ] | Connect vert amp, TER trovgscorame Pomtotnon- | seope' test pont | (19) capactor @OOWF) | 107 Mie | inerorence. | HERD | THEM Stet) | wavetorm s shown in Fia9 Nogatweseetowest | Howabout 90 Mla) Nogatvo sige to sort i | | estront : ToL Te FW andiFt) | Wavetormis shownin Fg “ 1 FW-RF ALIGNMENT fig, C2npeetttat ont 191) EEE through FM gummy (een: 882) Tung Earphone Jack (82), abate he pig a8 u rien (E8795 MHz) capactortuly | omenrasans || 1S |adusttormaxirum ouput | Noga 25042 | Ghved Miecal ie pug wae | |_ pone BE | ‘measuring Webument | I 7 em waime| Tonng one | 03) Ver tonavre| capctrtay |» ay : | { [75 kez | open, | ‘ Z : | | | | | ua «) 7 | S00MH2 |) Tunetosgnal | ” ean cea ’ Lo | 8 ' TOT ate Yadpat ir manmum oa | 3) : rosowte | Tune sne (eMANT Timm [Roposttope a) 8) | ALIGNMENT POINTS: ihoe aa Pred Sel Board Digan eres pont cations renner sose PBeyes wee gue maar sone See WAT Bae fen em cay 2 i ssa i " erat er Si EER Sete | Ea ee 7 owose — | BSE even mgs _| PEO. cy Soe a a We igeheyen SOR / ae ke woe SS one, wa pa, mae eae Og ce Fig.1 . To arpone jack Tomesuing af ose Insurer ) nea Fig.2 Fig.3 Fig.4RF-3500_ @ Replacement Parts List ie ery mse Fartarnar spec gas wine Pave napeees ol eemrAre reser) gr eUtty S CRPNGIN 08-000 YEO) (iron stg ey cmporeresfoaot ae ony martes santas se own pa [Fupbatred nse racnenscar omnes amar 7 Be cosseae wae) fife near euros crate re pe by MESA ‘iw eran cenurtesaneoser on een fete | Porte | Port hme aDseritin | Raa fetto | ratte. | art te & ecrinton | tata T [are pari 1 [cca COTTE i APLC ER TNT EEDA ia ich wis (IGE FRONT OD ice a TIC AUa TF ae Bi ics TE FO Ma t i L lc ALreawoeT [cone FiLTER oS) [cee eros [ce FILTER 4 ie ‘SISGRAPA TRAGISTOR ‘eonsnenPaONSISTOR [annecrorer) [nme CaP ORS) Renae RACE CPACTOR ECALAGIOESSN VARIABLE CAPACITOR L TT ECALARROESDN TRUARLE aPACTTOR zeae [ rene i Sc aautin i avons (RUE ke [uno [I L_ ——t si Facts t (nai TOR] | vate esc | [oo t [a_i ia = t bie De ane (ce ait CL _ — —_| fegaisinn ni — RLDEYAW-X [OIL ane aonsiex oi ‘aomner-0 iL ~ TI is eremisea foil - leat — ae — Te fsa t ls anan-7 ioe 7 lian - ras 1 fai Ean ley Tal ear ames lz i iose-T [sone [ -10-7 (uF) unless specified othervise, 4 Resistance values are in olus, unless specified otherwise, Ik Pico-farads (gf) FFarads (F) | 800 Fa). 1H=1, 000k tOAM) Esl lelceesss ie _t T | Pete | eth | ae ts fete orto | Ye er ; ee a [__s 2 ern | 15 a TF - “Yen omnes | & W001 | fa es Tam [eo earns | sar | ~ | [@_iixasersn0 awa [cat fecoriniaaues | sav 1a Zz ae fasetieet_ |e) he |e earns |S [ets an an ——— les fica “asin eet |v ae ~ “Tees rpentsiser [iow sae ecritanas | 2 | eres | on ar : I earensai cot 30] Temosersart ‘ECEAIGUIOO 1 i eee rae (ecumen|ava tern [eae |v Toe insersezs enserseaaT ‘sami kt free nts [eeoronoenis [soar [ | ERos275333. 3a _ ‘emserveer | [eceanariong_| 63 fom _ 7 (poesia _| lcevomine | & wom C ase eons |v aor 7 t eave ie tea] I [ecewinze [kav coon —_ [ [rertaeson ae 9 oa 7 [rommeaers | sav oow | ki eas | a ar les tewrennas seve | ~ : lminwongs | sav aw fear Jeomicaoaes i600 ~ ~ a eterneon fs etrerrser (ia oe — fea exerananics | = IC ae fran | (i - a [ores | a [— 1 a eoarinenss |aW =| lcsruineas | av ion | — [cio esas cov coo | { ci otems [av - a [a2 annie [cis 8) [acorinzenaes : t [ecwriinenses wd - _ corciomes | av ow 7 = ecenicetm | ov o.0ari - | i - ernuceer [ava 0280 Tr 1 JeceriNa7OJs | SOV aTP — camo [ava ae reno | 25 aT Z 7 [rico | av oom ieee |e _ acer 0 (ae ee _ [es fcicseom [aoa i I anefone NE SS VIS T ‘Tew t cor i F [ee fv, wae 7 li0 ‘aoe |WOe, OUIME ii amen ce it ce a Inooou-K_[DiAL Scale [ar coe ince (a iva femme sane oes] ee ee sce ~ o_o reTroSweik GIFT wR ASSY woes cer a ae a CoC “ao =12- @ Packaging (EME! areas T T 1 7 Pete | fatte | fet eek eitin | bt Fett | Fartte | Part Nae & tescristion | Rs T T — eS a eT CTT SET ji AI) Ie isa05-k [an CART | feos Poe coe OeDs q pe SET e) [2 RPRSSIDEIN [REAR CABINET ASS'Y [xe rare aT [oar b5. RF-3500 @ Cabinet Parts Location a 95051 1O00HSIKHHH