RCA-Victor-Co-Inc-U102E 电路原理图.pdf

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1、PAGE 326-B MODELS 85E -I ADJ. 80 (-0.9V1)1460K .C. 255V 330V r-; -0:IV. 1 C.G. ILV CV 2I.F.TRANS. L6.4 Vj )I IA.C.A.0 (-33 it tt_ 1100y. -0.2V. ti CATHODE CURRENTS N 110MA. N4.91111. N 30.3251 440ma. N.502 Ma * CANNOT BE MEASURED. AT SOCKET T C.G. (3 9V*) II -0.2V IIr - I*6.4 V. L A.C. I -184V 255V

2、1STDET. OSC. 6A7- - 82V.- PRI. 46014.C. ADJ. 1.I.F TRANS. L4 2. DET., A.V.C4AUDIO l 75 BOTTOM VIEW- REAR OF CHASSIS -62 V. - - -Radio tron Socket Voltages, Coil, and Trimmer Locations Measured at 115 volts, 60 -cycle supply-Tuned to approximately 1,000 kc (Broadcast)- No signal being received-Volume

3、 control minimum Note: Two voltage values are shown for some read- ings. The value shown in parentheses with asterisk (5) indicates operating conditions without voltmeter loading. Alignment Procedure Calibrate the tuning dial by adjusting dial pointer to the center horizontal line with the gang tuni

4、ng -condenser plates in full -mesh position. This is a screw -driver adjustment. Order of Alignment Test Oscillator Range- Selector Receiver Dial Setting Circuit to Adjust Adjustment Symbols Adjust t6 Obtain Connection to Receiver Dummy Antenna Frequency Setting 1 6D6 I -F Grid Cap .001 Mfd.460 kc A

5、 Left No Signal 550-750 kc 2nd I -F Trans. L9Max. (peak) 2 6A7 Det. Grid Cap .001 Mfd .460 kc A Left No Signal 550-750 kc 1st I -F Trans. IA and L5Max. (peak) 3 An(bluet.Lead ) 300 Ohms15,000 kc Right 15,000 kcC Osc.CSMax. (peak)t 4 Ant. Lead (blue) 300 Ohms15,000 kc C Right Rock Through 15,000 kc C

6、 Ant. ClMax. (peak)*$ 5 Ant. Lead (blue) 200 Mmfd.600 kc A Left 600 kcA Osc.L8Max. (peak) t Use maximum capacity peak if two peaks can be obtained. * Use minimum capacity peak if two peaks can be obtained. After this adjustment, check for image signal by shiftingreceiver dial to 15,920 kc. 收音机爱 好者资料

7、库 RadioFans.CN PAGE 3 2.9 -13 REPLACEMENT PARTS 85E & U102E Insist on genuine .factory -tested parts, which are readily identified and may be purchased from authorized dealers. STOCK No. DESCRIPTION STOCK No. DESCRIPTION RECEIVER ASSEMBLIES MOTORBOARD ASSEMBLIES 30461Belt-Flat, endless drive belt (M

8、odel U -102E only) 30460Belt-Phosphor-bronze beltforindicator -pointerdrive 14803Brake-Turntable brake and switch 30473Cable -3 -conductor shielded compensation cable with fe- male connector and grid clip (Model U -102E only) 14805Connector-I-contactmaleconnectorformotorand switch leads 12118Cap-Gri

9、d contact cap 3261Rest-Pickup needle rest 12896Capacitor -15 Mmfd. (C25) 30248Screw-Motor mounting screw,washer,rubber washer 12405Capacitor -47 Mmfd. (C14) and clamp plate 14262Capacitor -120 Mmfd. (C11, C12)30100Springs-Tension springs for brake Stock No. 14803- 12724Capacitor -120 Mmfd. (C7) comp

10、rising one long and one short spring 12406Capacitor -180 Mmfd. (C16) 14804Switch-Motor switchlocated on turntable brake (S51) 30396Capacitor -470 Mmfd. (C8) 14724Capacitor-$60 Mmfd. (C17) MOTOR ASSEMBLIES 30245Capacitor-.0045 Mfd. (C3)(Model U -102E only) 4838Capacitor-.005 Mfd. (C22) (Model U -102E

11、 only) 4858Capacitor-.01 Mfd. (C20, C22) (Model 85E only)11703 Governor-Motor governor complete 14393Capacitor-.01 Mfd. (C9, C18)30475 Motor -105-125 volts, 50-60 cycle (M50) 4870Capacitor-.025 Mfd. (C54) (Model U -102E only)14800Motor -105-125 volts, 60 cycle (M50) 4839Capacitor -0.1 Mfd. (C4, CIS,

12、 C19, C21) 12484Capacitor -0.25 Mfd. (C15) PICKUP AND ARM ASSEMBLIES 14814Capacitor -10 Mfd. (C24)(Model U -102E only) 14813Capacitor Pack-Comprising 2sections each 16Mfd. (C10, C23)14291Armature-Pickup armature 14646Coil-Antenna coil (L1, L2, L3)11732Coil-Pickup coil (L50) 14647Coil-Oscillator coil

13、 (L6, L7, L8) 14292Damper-Pickup damper block complete with clamp and 14633Condenser -2 -gang variable tuning condenser (C1, C2,screw C5, C6)30476Pickup and Arm complete 14783Connector -2 -contact female connector for motor power cable (Model U -102E only) 3811Screw-Pickup needle screw 5119Connector

14、 -3 -contact female connector for speaker cable 30474Connector -3 -contact female connectdrfor cableStockREPRODUCER ASSEMBLIES 12006 No. 30473 (Model U -102E only) Core-Adjustable core and stud assembly for I.F. trans- formers (Model 85E only) (Speaker No. 84091-1) 14631Dial-Station-selector dial sc

15、ale and holder 14651Drive-Vernier drive and pinion gear for tuning condenser 14616Coil-Reproducer field coil (L12, L13) 14635Indicator-Station selector indicator pointer 14614Cone-Reproducer cone and voice coil (L11) 5226Lamp-Dial lamp 5118Plug -3 -contact male plug 30465Pulley-Drive-belt intermedia

16、te pulley-located on side 14613Reproducer-Complete of belt opposite idler pulley 14615Transformer-Output transformer (T2) 14639Pulley-Drive-beltpulley-fastens onvernierdriveof tuning condenser 14636Pulley-Idler pulley-less spring REPRODUCER ASSEMBLIES 30464Pulley-Indicator-belt pulley-fastens onroto

17、r shaftof tuning condenser (Model U -102E only) (Speaker No. RL-70E-1) 30459Pulley-Indicator-pointerpulleyandshaft-lessscrew to hold belt 13868Cap-Dust cap for cone center 14660Res.stor-18 ohms, insulated,* watt (R14) 14354Coil-Reproducer field coil (L13) 14653Resistor -50 ohms, flexible type, 1/10

18、watt (R18) 11469Cod-Hum neutralizing coil (L12) 13819Resistor -270 ohms,insulated,wire wound,1.1watt 12667Cone-Reproducer cone and voice coil (L11) (R15) 5118Plug -3 -contact male plug 5175Resistor -5,800 ohms, carbon type,I watt (R12) 14395Reproducer-Complete 14859Resistor -6,800 ohms, carbon type,

19、I watt (R3) 14358ScrewScrew and lockwasher to hold core in yoke 14559Resistor -10,000 ohms, insulated, * watt (R57) (Model 14355Transformer-Output transformer (T2) U -102E only) 14357Washer-Spring washer to hold field coil 11305Resistor -22,000 ohms,carbon type, * watt (R16) 13735Resistor -33,000 oh

20、ms, carbon type, * watt (R2) 5033Resistor -33,000 ohms, carbon type, 1 watt (R4) 5206Resistor -36,000 ohms, wire wound, 20 watt (R17) MISCELLANEOUS ASSEMBLIES 11646 11323 Resistor -47,000 ohms, carbon type,* watt (R9) Resistor -270,000 ohms, carbon type,* watt (R7, R8) (Model 85E only) 13733 13479 5

21、035 Resistor -330,000 ohms, carbon type, watt (R1) Resistor -390,000 ohms, carbon type, * watt (R10) Resistor -560,000 ohms, carbon type, * watt (R6) 14654 12673 Escutcheon-Station-selector escutcheon and crystal Knob-Tuning, volume control, or range switch knob 12679Resistor -2.2 Megohms, insulated

22、, * watt (R11) 4119Screw-No. 8-32, headless set screw for knob Stock No. 14661 30340 Resistor -6.8 Megohms, insulated,* watt (R13) Retainer-Indicatorpulleyordrive -beltintermediate - pulley retainer 30466 12673 Screw-Chassis mounting screw and washer assembly 5129Ring-Retaining ring for Radiotron sh

23、ield 30463Screw-No. 4-40 x 3/16 -in. binder -head screw to fasten indicator drive belt MISCELLANEOUS ASSEMBLIES 4389Screw-No. 8-32 x 3/16 -in. headless set screw for pulley(Model U -102E only) Stock No. 14639 5042Screw-No. 8-32 x 1/8 -in. headless set screw for pulley11762Box-Used-needle box Stock N

24、o. 3046430478 Cable -2 conductor shielded compensator cable complete with 3 -contact male connector14638 Shaft-Knob shaft and pulley 12008Shield-First I.F. transformer shield can14393Capacitor-.01 Mfd. (C30) 12408Shield-Second I.F. transformer shield can4839Capacitor -0.1 Mfd. (C50, C51) 11265Shield

25、-Radiotron shield complete14782Connector -3 -contact male connector for cable Stock No. 4794Socket -4 -contact 80 Radiotron socket30478 4786Socket -6 -contact 6D6, 75, or 42 Radiotron socket11704Damper-Turntable rubber damper and damper plate 4787Socket -7 -contact 6A7 Radiotron socket14654Escutcheo

26、n-Station-selector escutcheon and crystal 14858Socket-Dial-lamp socket12673Knob-Tuning,radio -volumecontrol,range switchor 30482Spring-Idler-pulley tension springphonograph -volume control knob 12007 Spring-Retaining spring for core Stock No. 12006 4119Screw-No. 8-32, headless set screw for knob Sto

27、ck No. 14640Switch-Range switch (S2, S3)12673 14376Transformer-First I.F. transformer (L4, L5, C11, C12)30477Screw-Chassis mounting screw, washer, lockwasher and 14642 Transformer-Second I.F. transformer (L9, L10, C14, nut-for rear of chassis C16)30535 Screw-Chassis mounting screw and washer-for fro

28、nt of chassis 30249Screw-Motorboardmountingscrew,spring,spacer, 30607Transformer -105-125/200-250 volts, 50-80 cycles (T1)washer, lockwasher and rubber washer assembly 14826Volume controland power switch(R5,S1) (Model 14499Resistor -1,500 ohms, insulated,* watt (R52) U -102E only) 12955Resistor -3,900 ohms, insulated, I watt (R53) 14645Volume controland power switch(R5,Si) (Model 12286Resistor -56,000 ohms, insulated,* watt (R56) 851 only)14801Turntable 14815Volume Control-Phonograph volume control and switch (R50, S50)