1958-64 Motorola VWA64/VWM64 Radio - Service Manual
Contents
1. Servi INFORMATION following Motorola publications d Profitable Transistor Radio Automotive type all transistor Servicing Motorola Part Number superheterodyne AM radios for 68p60011A53 and A Discussion of standard broadcast reception oper Transistorized Car Radios ate from 6 volt negative ground Motorola Part No 68P64980A51 system Designed for custom in stallation in the 1958 1964 Volks 4 POWER TRANSISTOR CURRENT wagen These receivers contain 7 ADJUSTMENT After replacing a transistors and 2 diodes power transistor the collector cur rent should be checked and adjusted SERVICE NOTES for proper operation 1 Make certain the leadis con A Insert a low range 0 1 or 0 2 nected to the positive 4 side of the amp DC ammeter in the primary power source otherwise damage ground return lead of the output receiver may result If a battery transformer 4 Connect the eliminator is used as a power source negative terminal of the meter to MODEL VWM64 in place of a battery it must be well ground CAUTION Be sure the filtered and regulated speaker ground lead is connected in schematic diagram is for 7 volts in 2 When replacing a power output common with the M roce mal put to the radio lead transistor remember to use the ground lead to the positive terminal transistor specified inthe parts list see schematic diagram Speaker 5 REAR SPEAKER RS 4 m coa2. Je zl OST TIO 8 109 ASIA 108 vA ZA IA ASIA 109 NNOO ASIA 109 NNOO TL 23 lt 292 038131 23 0191 OL OFS JONVY ONINAL JOA 07 JOVLIOA LNNI 1 915 ON SOT HWALA SISSVHO 01 LNIOd WO34 S39VL10A JWW NI S33H10 JW NI S3NTWA TVWIO30 031312345 35 1MW3H10 5531 540112 4 2 5310 31 ZINS 24 52 21152 vA TA 1d3938 LNY Wv395VIG 25 11 130 NNOO 13 1 1 ZI T i 9 ASIA 21 11 130 23913 I z L I 2 EOM 236 92 OANA AI YIMOd 20 AL 23 0191 OL Obs JONVY ONINNL DINE ao 90A0 1 JOVLIOA TWNOIS ON OT WALA 5155 2 OL ONIGNIM 150083110 JHL S ONIGNIM P G3lV21ONI INIOd WOUd 539 1 0 ANVQNOO3S FHL 41415 Ts AWW NI TIY NI 3 IVWIO3Q JHL 1S38V3N 371 1102 30 WOL 131312345 3S IMYIHLO 5531 540112 4 2 108 0 31 01 5334 108 11 30 829 NOILO3NNOD 18 1 1 ZI NO LON XNOO NO cs 5 440 NO 1 7 awose 7 awos a 212 Sh 0 2 6 9069 EAS 001 224 d M 91 e s ep RF a SALON XOIANXS HAS VMOO9 uod 2 130 29V 81 XNSALSOCOV INAU E F 8 UND HOLOWTTIOO UOA
3. 9B542339 SOCKET trans INSTALLATION PARTS amp ACCESSORIES MISCELLANEOUS ELECTRICAL PARTS 7A543889 BRACKET rec mtg 8B538244 CAP generator E 1 480134587 DIODE 1N139 8B544383 CAP ignition coil E 2 48C134587 DIODE 1N139 29 64647 02 LUG terminal ignition coil E 3 50 543225 SPEAKER 5 3 20 VC 1V544036 MTG PARTS KIT 4 65810867 LAMP pilot 251376 NUT radio mtg E 5 65R122345 FUSE 5 amp 1 AG 6A4141 SUPPRESSOR noise 1V64961A22 TRIMPLATE incl tubing COILS amp CHOKES TUNER PARTS L 5 25B543338 CHOKE filter L 6 24B64785A03 CHOKE RF 43K471633 BEARING ball 1V564641 CLUTCH amp DISC ASSEM incl setscrew 1V41800A32 COILS amp MTG PLATE ASSEM incl 1 1 L 2 L 3 amp L 4 76K563288 CORE iron osc RESISTORS NOTE 11 resistors are insulated sition type unless otherwise specified R 1 6R125568 22K 10 1 2W 76K563286 CORE iron RF amp Ant R 2 6R125532 150K 10 1 2W 1B563899 GEAR BUSHING amp DISC ASSEM R 3 6R127632 33K 10 1 2W 5B562438 GROMMET core mtg R 4 6R125179 82K 10 1 2W 45A41254A01 LINK conn R 5 6R127541 56K 10 1 2W 1B40875A02 POINTER R 6 6R121847 4700 106 1 2W 38K565210 PUSHBUTTON R 7 6R127099 220 10 1 2W 494562480 ROLLER clutch release 8 8 12 18C64734A03 CONTROL vol t
4. C 13 215131999 005 mf 500V C 14 23K544697 6 4 mf 40V lytic C 15 23 544697 6 4 mf 40V lytic 16 8 131799 01 mf 100 mylar C 17 218132525 002 mf 100V 18 21D40339A53 03 mf 100 19 64 561877 PLATE spark 20 23 544707 125 mf 10 lytic 21 23 544540 25 0 mf lytic MECHANICAL PARTS 7K544769 BRACKET dial ret 43A64749A10 BUSHING tuner shaft 42B733793 CLIP IF 15C64626A02 COVER back 15D64751A09 COVER bottom USE 15064751405 13D64720A01 ESCUTCHEON dial 22 215132103 01 mf 50V 14A543810 INSULATOR transistor C 23 8K131769 005 mf 200V 36K544747 KNOB pendant C 24 8K131769 005 mf 200V 36K544748 KNOB tone C 25 20K544696 400 to 520 mmf trimmer 36K544760 KNOB vol amp tuning C 26 218132103 01 mf 50V 29810134A02 LUG term spkr C 27 23C64722A03 350 500 500 8 lytic 29 64647 01 LUG term A lead C 28 64K530177 PLATE spark 257087 NUT push on dial scale 257051 PALNUT control mtg MISCELLANEOUS ELECTRICAL PARTS 52A64748A01 POINTER dial 94472148 RECEPTACLE ant 1 48 134587 DIODE 1N139 9K544723 RECEPTACLE fuse USE 9K534968 E 2 48C134587 DIODE 1N139 34B64524A01 SCALE dial E 3 50 543225 SPEAKER 5 3K560695 SCREW trans mtg E 4 65R10867 LAMP pilot 25A 6 3V 9K543387 SOCKET pil 1t E 5 65R122345 FUSE 5 amp 1 AG 9B542339 SOCKET tra
5. LAN X3H u3HS VM 2 8 E 1 TNYd INIWNUISNI zd J1332V88 JW Oldva 1 083 13 NOILVTIVISNI Olava NO1123NNO9 0 31 8 0105 STIGOW 1961 01 9961 QV31 8 010 HOLIMS NOILIN9I OL 123 02 013 1 41415 ONY 9NI193NNO2 430 112 S 300W 7961 01 2961 ont 9N1193NNO2 HOLIMS NOILINSI 30 0 31 A3311V8 Olava CUN 8VL OVJ AH310V8 0180 TVNI9INO 9r 1d N3HL TYVNTWH3L NOILIN9I O1NO QY31 AN3LLV8 HOLIMS NOILIN9I O1GVY INId IVNIWXIL NOILLINSI 30 1VNI9130 3AOW3H NOILIVTYVISNI OI QV 30 MIIA 3015 M3TIO0H 3503 NOILVTIVISNI 333 v3dS 40 MIIA 3015 aval 0 M382S INI ddYL AMALLYE OIOVY 9N1123NNO2 8 X OL ON 1432384 INV f 5811 ISIMI 4345 9NITIVISNI 300338 MH 04 2510 ANY 0131 5 quvoaquvo a auos 9NI1SIX3 INV 30 19 M382S ADVE 91 Ol aya yvy 30 18 4 30 114 9 u3iV34s W3HSVM 1 13 TINVd 1312V38 91W YOLOW 8341 5 gt 618 4 9 NOILVIOT SLUVd VIOWMA 250 INdlNO dWv 41 Olanv 1684 4 52 21050 1NO2 SVI8 950 41 9TH 112 05 vSW 112 15 21052 N3XIW 1102 119110 4 OIGAV 4 52
6. nents have been replaced If necessary remove the escutcheon dial background and the pilot light socket to expose the core screws Before proceeding with Step 3 back the tuning cores as far as possible out of the coils to eliminate their effect on trimmer adjustments 35 Ant recept thru 1610 Kc Hi end stop 5 6 7 Adjust for maximum dummy see amp 8 figure 4 1200 Kc VW A64 Tuner carriage 9 70 11 Adjust for maximum 1020 Kc VWM64 285 VW A64 amp 12 298 VWM64 from Hi end stop 5 1610 end stop 5 6 Adjust for maximum amp 8 6 Repeat Steps 4 and 5 until further increase Step 5 should be last step Then cement core screws in place ANTENNA TRIMMER 7 Weak station 8 Adjust for maximum with around 1400 Kc radio installed in car and antenna fully extended PLUG TO FIT RECEIVER TO si ANTENNA RECEPTACLE 1 GENE TO RECEIVER gt ANTENNA RECEPTACLE 1 METAL SHIELD MUST BE ATTACHED mo TO PLUG DUMMY ANTENNA DETAIL R16 ADJUSTMENTS ARE ACCESSIBLE FROM FRONT SEE SERVICE OP RADIO SA 1581 R16 RECEPT SEE SERVICE BOT TOPBOT FROM BOT VWM64 ALIGNMENT LOCATION DETAIL VWA64 ALIGNMENT LOCATION DETAIL TINVd INIWNUISNI 1342V38 9NIINDOW O1 V3 1NO33 9NITIVISNI 30 QOHL3W 9NI MOHS 13 4 INIWNULSNI 30512 V8 WOY MIIA 1N38 SAVE I4 2 GON 2 8 UVIdWIYL 2
7. 4 52 5 16845 YSW TA cA 91 LN TiVI3d 9NIONIMIS TVIG P9OWMA 14VHS 0191 S1102 30 LNO 9 5 1 1 01 1N3W32 ANY NMOHS 33V 53402 OS 3 135 OL 04 135 0191 OL 135 YINNL HLIM 31NIOd 1N3W33 9 LON VW 4 QNnON932v8 31 95 W10 ISN LON 04 Wvauovid 25 9 1 9A BSA 130 813 ASIA 109 8 ATIA LOS 2 3 477 T NIONIM LSOWYSLNO ee 5 L 51 ONIGNIM ABVONOO3S JHL 41415 AMO 6297 avo JHL 1538 3 331 110230 2041 WOLLOS 1v 0 31 01 593339 108 1 130 ovi NOIL23NNOO 913 71 TINO ILON oldvy vis jw 006 Twos 822 QD Bu sz qn JOD AO S 001 124 AE v SALON HOLAURS AAS 009 LS rdav RL swose SF 4 2120 LNSKLG COV INAU 5 YOLIATION m WALIN LUXGNI Ej S 5 IT 8 were 8 691 3 a NUD o S a Now way 90 E 7 Xe 68 X ETA 70071912 awy olan 3NOL vsW SA 107142 5 INdLNO 16845 YSW LA 9 88 4017 4017 401 Znu NOLLO3NNOO 713 1 O ELVLLOFOGED DVIG S 75 5 38 130 29v m Toss Ti 9 sl ex n m USES
8. 5 215128634 005 500 C 6 20K541014 20 to 120 mmf trimmer MECHANICAL PARTS C 7 8K129455 05 mf 200V mylar 8 8 131769 005 mf 200 mylar 7 544712 BRACKET dial bkgnd 9 215131254 05 mf 100 USE 21A740805 42B733793 CLIP coil shield C 10 218131254 05 mf 100V USE 21A740805 15K544715 COVER back C 11 218121228 150 mmf 500V N750 15K543815 COVER bottom C 12 218122871 005 mf 500V USE 21R128634 13C543880 ESCUTCHEON dial C 13 23K544697 6 4 mf 40V lytic C 14 23K544697 6 4 mf 40V lytic 15 215132103 01 mf 100 C 16 218132525 002 mf 100V C 17 21D40339A53 03 mf 100 18 215132103 01 mf 100 C 19 64K530177 PLATE spark 144543810 INSULATOR trans 36K544747 KNOB pendant 36K544748 KNOB tone 36K544760 KNOB vol amp tuning 29 64647 01 LUG terminal lead 29810134A02 LUG terminal spkr 13K544668 MASK dial 20 23 544540 25 mf lytic 257051 NUT pal control mtg 21 8 131799 01 mf 100V mylar 257087 NUT speed dial scale C 22 8K131799 01 mf 100V mylar 9A472148 RECEPTACLE ant C 23 8K131799 01 mf 100V mylar 9K544713 RECEPTACLE fuse USE 9K534968 C 24 218410036 100 mmf 500V N750 34B64793A02 SCALE dial C 25 20K541700 310 to 390 mmf trimmer 3K560695 SCREW trans mtg C 26 218132103 01 mf 100V 94543879 SOCKET pilot light C 27 23C64722A03 350 500 500 mf 8V lytic C 28 23 544718 500 mf 8V lytic 29 64 530177 PLATE spark
9. R C manual shaft R 15 6K543800 10 10 1 2W 18C64735A08 CONTROL bias RS 4 amp RS 7 REAR SEAT SPEAKER KIT 6R124797 150 106 1 2W 6R121847 4700 10 1 2W 18B543088 CONTROL fader 150 20 1W WW 6R121847 4700 10 1 2W 13C543043 GRILLE spkr 6R127513 1500 106 1 2W 1V530175 KNOB control 6R119926 2700 10 1 2W 1V543186 LUG ground incl lead 6R128688 2700 106 1 4W 281376 NUT hex 3 8 32 control mtg 6R127633 470 10 1 2W 38128262 SCREW mach 8 32 x 1 spkr mtg 6R129829 22K 206 1 2W 50C533088 SPEAKER PM 6 x 9 3 20 VC RS 7 6R10053D43 330K 206 1 2W ONLY 6R127516 82 106 1 2W 314533215 STRIP terminal 6R129221 100 10 1 2W 29A76280 TERMINAL pin black spkr conn 6R129221 100 10 1 2W 29K76282 TERMINAL pin white spkr conn NEW ITEM APPEARS IN ANY LIST FOR FIRST TIME
10. d the repair then be Radio Service Station and you are Customer s Car Radio Guarantee sure to indicate both on your claim interested in handling this service and Service Booklet The installa tion and model information on the auto radio MANUAL 68 64988 6 MODELS VWA64 VWM64 form for both allowances After the form has been filled in mail the please contact your Motorola Dis tributor for complete details 9401 WEST GRAND AVENUE FRANKLIN PARK ILLINOIS PRICE 20 CENTS PRINTED IN U S A MOTOROLA INC PART 68P64988A61 12 63 ALIGNMENT Connect an output meter across the speaker voice coil Set volume to maximum and tone to treble Atten uate signal generator output to maintain 1 watt 1 79 volts across 3 2 ohm load on output meter at all times GENERATOR GEN FREQ STEP CONNECTION 400 cycle 30 mod TUNER SET TO ADJUST REMARKS IF ALIGNMENT Les To collector of 262 5 Ke Hi end stop ls 29 Adjust for maximum RF amp thru amp 4 lmf amp chassis RF ALIGNMENT 2 Ant recept thru 1610 Kc Hi end stop 6 7 Adjust for maximum dummy see amp 8 figure NOTE Do not perform Steps 3 4 5 amp 6 unless the tuner has been tampered with associated compo
11. let must the Service Station file show that the radio is within the 2 These models are guaranteedfor guarantee period to be repaired o s all parts and labor including re under the Motorola Auto Radio 5 Defective parts for guarantee re moval and re installation amp R Guarantee pairs made are to be sent to your 9 gt for a period of two years from the Motorola Distributor for free re date of purchase The following re 4 To obtain your labor allowance placement supported with the defec gt pairs are not covered under this for the servicing of the customers tive parts return tag Part Number 5 guarantee the elimination of motor in guarantee set fillinthe Motorola 54 591808 lt lt noise tire static electrical inter Guarantee Labor Claim Part No z z ference faulty installation 68P60016A30 If you perform a 6 Only those service stations auth gt Charges for these repairs are to be R amp R service you are entitled to orized by their Motorola Distributor a paid by the customer the R amp R allowance you only can perform within the repair the radio without R amp R ser guarantee period on a no charge 3 Before performing guarantee vice you are entitled to the labor basis to the customer If you are e repair on a Motorola Branded Auto allowance However if you perform not Authorized Motorola Auto Radio you must first receive the both R amp R an
12. n black spkr conn TERMINAL pin white spkr conn 24B64613A01 15 IF 262 5 Kc 24B64613A02 2nd IF 262 5 Kc 25B64610A05 DRIVER USE 25C64610A03 31A533215 29A76280 29K76282 NEW ITEM APPEARS IN ANY LIST FOR FIRST TIME VWM64 REPLACEMENT PARTS LIST Part Ref Part Number Description No Number Description ELECTRICAL PARTS R 29 6R124668 10 10 1 2W 6R127542 47 10 1 2W CAPACITORS NOTE The capacitors in this list are recommended replacement types for the original ment all are ceramic disc type unless otherwise specified TRANSFORMERS T 1 24864613 01 Ist IF 262 5 Kc T 2 24B64613A02 2nd IF 262 5 Ke C 1 20864616401 20 to 120 mmf trimmer T 3 25B64610A04 DRIVER USE 25B64610A03 C 2 8K131769 005 mf 200V T 4 25C64607A02 OUTPUT C 3 20K541014 20 to 120 mmf trimmer 4 218120157 6 8 mmf 500 TRANSISTORS C 5 8K131769 005 mf 200V 6 8 129455 05 200 V 1 48K134602 28A72 USE 48 134601 C 7 20K544594 20 to 120 mmf trimmer 48 134601 25 72 C 8 8K131769 005 mf 200V v 3 48R134635 5 217 9 8 131799 01 mf 100V mylar V 4 48K134600 28A72 USE 48K134601 C 10 218129480 05 mf 50V USE 214740805 5 488134654 54 C 11 218129480 05 mf 50V USE 214740805 6 486134673 M54 USE 48B134665 C 12 218121228 150 mmf 500V N750 V 7 48R134647 SP891 USE 48R134646
13. ns INSTALLATION PARTS amp ACCESSORIES COILS amp CHOKE L 1 24B64785A03 CHOKE RF 7A543889 BRKT rcvr mtg L 6 25B543338 CHOKE filter 8B544383 CAP ignition coil 8B538244 CAPACITOR generator RESISTORS NOTE 11 resistors are insulated compo 29464647402 LUG term ignition coil cap Sition type unless otherwise Specified 1V544036 MTG PARTS KIT 281376 NUT 3 8 32 radio mtg R 1 6R129829 22K 20 1 2W 644141 SUPPRESSOR noise R 2 6R125532 150K 106 1 2W 1V544037 TRIMPLATE incl tubing R 3 6R127632 33K 10 1 2W R 4 6R125179 82K 10 1 2W in some sets TUNER PARTS 6R125534 100K 10 1 2W in some sets R 5 6R127005 56K 106 1 2W 1V40800A77 COIL amp MTG PLATE ASSEM incl L 2 R 6 6R131667 4700 20 1 2W L 3 L 4 L 5 amp mtg plate R 7 6R127099 220 10 1 2W 76C40647A02 CORE iron oscillator R 8 12 18C64734A04 CONTROL vol tone sw 76C40647A04 CORE iron RF amp ant R 9 6R125179 82K 10 1 2W 38127896 SCREW tapping 4 40 x 1 4 coils R 10 6R129875 2200 106 1 2W mtg R 11 6R124507 68K 10 1 2W 47C40648A07 SHAFT manual tuning R 12 PART OF R 8 41B40560A01 SPRING ret manual shaft R 13 6R125568 22K 10 1 2W 77040632403 TUNER MT 425 complete R 14 6R124668 10 10 1 2W 4K721821 WASHE
14. one sw 1V562830 SCREW amp NUT ASSEM adj 9 68125179 82K 10 1 2W 3A563128 SCREW set 4 40 x 5 16 clutch amp R 10 6R129875 2200 10 1 2W disc assem R 11 6R124507 68K 106 1 2W 38127896 SCREW tpg 4 40 x 1 4 coils mtg R 12 PART OF R 8 44B563758 SHAFT manual tuning R 13 6R125568 22K 10 1 2W 414562449 SPRING anti rattle clutch rel R 14 6R124668 10 10 1 2W bar R 15 6K543800 10 10 1 2W 41A562447 SPRING clutch release R 16 18C64735A08 CONTROL bias 41A41255A01 SPRING conn link R 17 6R129221 100 10 1 2W 41B562503 SPRING pointer tension R 18 6R121847 4700 10 1 2W 77K565209 TUNER AT 430 complete R 19 6R121847 4700 10 1 2W 4K501364 WASHER manual shaft ret R 20 6R127513 1500 10 1 2W 4K692188 WASHER C pointer ret R 21 6R129875 2200 10 1 2W 44562431 WASHER cup clutch rel spring R 22 6R119926 2700 10 1 2W 4K564253 WASHER spring manual shaft R 23 6R127633 470 10 1 2W R 24 6R125568 22K 10 1 2W RS 4 amp RS 7 REAR SEAT SPEAKER KIT R 25 6R10053D43 330K 20 1 2W R 26 6R127516 82 10 1 2W 18B543088 CONTROL fader 150 20 1W WW R 27 6R129221 100 10 1 2W 13C543043 GRILLE spkr R 28 6R124668 10 10 1 2W 1V530175 KNOB control R 29 6R127542 47 106 1 2W 1V543186 LUG ground incl lead R 30 6R129221 100 106 1 2W 281376 NUT hex 3 8 32 control mtg 38128262 SCREW mach 8 32 x 1 spkr mtg TRANSFORMERS 50C533088 SPEAKER PM 6 x 9 3 20 VC RS 7 ONLY STRIP terminal TERMINAL pi
15. t both sides of the transistor in must be connected with fader control less speaker sulator with DC 4 grease Motorola Turn the radio on and allow it to or RS 7 6 x 9 3 2 ohm with fader Part 11M490487 and securely heat up for about 15 minutes control rear speaker kits can be tighten the transistor mounting used with these radios screws When replacing all other C Adjust the bias control R 16 for transistors use long nose pliersas a reading of 480 ma with 6 3 volts TO SET PUSHBUTTONS a heat sink i grasp transistor input to the radio lead VWA64 ONLY leads close to transistor base with NOTE Two values of radio input Unlock pushbutton by pulling it out pliers to dissipate heat while voltage are givenas aconvenience to about 1 2 forward of its normal soldering service personnel in order to ac position Tune in station and lock 3 Servicing techniques applicable commodate different power sources the pushbutton to the station by to these models can be found in the The current value stated on the pushing it in firmly MOTOROLA AUTO RADIO WARRANTY SERVICE STATION PROCEDURE 1 A Motorola Branded Modelis one booklet must be filled in by the pink and green copies to your that has the Motorola name and is selling dealer at the time of retail Motorola Distributor for payment distributed to dealers through the sale The Customer s Car Radio The yellow copy is to be retained in Motorola Distributors Guarantee and Service Book
16. w HXL3M LNSSNI 2 5 uL 5 d T D 649 5 EOS E 3 o Jon z QJ S 2 9 5679 n Tb 42 is tr qt Bx INE 3 E 2 5 z lt 8 877 12259 89 PL _ X 64 Wee eni of 7007712 0100 3NOL SA 2t 5 1ndino YMd 16845 vow LA 9A ASIA DAT NNOO TL 801231102 A3IA 109 AZLA 109 SOLIS ISNV3L MAIA 109 NNOO SA ANIA log 35 8 6 2 3 9 3 8 ZA IA 9A 9 SA E 5 WWD 190 ZSZ 2152 2A TA 1d3 38 1NV VWA64 REPLACEMENT PARTS LIST Ref Part Ref Part No Number Description No Number Description 25C64607A01 OUTPUT USE 25C64607A02 ELECTRICAL PARTS CAPACITORS NOTE The capacitors in this list are recommended replacement types for the original equipment all are ceramic disc TRANSISTORS V 1 48K134602 28A72 USE 48K134601 type unless otherwise specified 2 48 134601 28A72 3 48R134635 SM217 C 1 20B544017 40 to 430 mmf trimmer 4 48 134600 2SA72 USE 48K134601 2 8R10064A34 003 mf 200V mylar USE 8R10110A02 5 48 134654 54 20K541014 20 to 120 mmf trimmer 6 48R134673 M54 USE 48B134665 4 218120159 8 2 mmf 500V v 7 48R134647 SP891 USE 48R134646
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