RCA-Victor-Co-Inc-8U 电路原理图.pdf

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1、MODEL 8T2 W PPSW 06C. W oac. la000c.,1500I5C.600PC. C6 .C20.-CIE MODELS 812, 8T11, 8K11sU and8U2B Eight -Tube, Three -Band, A -C, Superheterodyne Receivers andRadio-Phonographs MODEL 8111 TUNINGsr 6. 1.101CATOPI50015C a /. 8 P1 AMP./ 28233 PU010 OUTPUT Cy. I. 6K7 DaT COIL 6A8 .,-.-, / IP, num two OE

2、T. PVC. OFT. 05C. I.F. CPP. 6K) 6F5 / wilvIli.:PAP .3e 06C.P. O$C.C. AWE. .C. WIL- - - -k 06C. TRINMan 46 0 KC. C46 MODEL 8K11 17515C.3006C-16,00050. 15,0006C.1500015C. C51C60CaC15C I 9 -Radiotron, FREQUENCY RANGES Coil, and Trimmer Locations Electrical Specifications Long Wave (X) Medium Wave (A) S

3、hort Wave (C) Intermediate Frequency RADIOTRON COMPLEMENT (1)RCA -6K7Radio -Frequency Amplifier (2)RCA -6A8First Detector-Oscillator (3)RCA -6K7 Intermediate Amplifier (4)RCA -6H6Second Detector-A.V.C. Pilot Lamps (3) POWER SUPPLY RATING RatingA 105.125 RatingB 105.125 Rating C 100.130/140-160/195-2

4、50 POWER OUTPUT RATING Undistorted 21/4 watts Maximum 5watts PHONOGRAPH8044 80t Type Manual Turntable Speed (adjustable) 135-320 kc 530.1,500 kc 5,400.18,000 kc ALIGNMENT FREQUENCIES Long Wave (X) MODELS 8U RANK / allow InoTetrt.t. as O1 414. 25, 330.40, Mows N ACU It VIPs. - TOWER UAW. CONNECTIONS

5、5.340. SO,. 37A 3 4-NOWN. ANT COIL CONNECTIONS T1 CI 3CI8 R32 5.6 PANIC. 40I MMF. 580. IJ. . MP:. R4 -4E-. CIO - C21C eo MOO C MMF MFD. C12 .005 MFD. 2 / = PAW 561A000- CIS 2-10 MMF L7 A C49 . 3-30 9 Taff. 4431 1. 0000. 8 4-100 MMF. ,C17 120 MMF DET 40SC. SA 8 R5 too,000n., C19 -.,- 2-70 MMF F123C18

6、 ;120.II -450 MMFLI6 U7 C24., ICU ; /C47 135-140 s 12.5. I.1130 MA.10 MMF eg c.C. A L1O.Ss 71: .005RVumn twit X c 51 I.F. 6K7 - 85-140 LI8 LIS irS* 4 C20 3-30 MMF L14 no C50 75-225 MMF C25 0.25 MFD A C22 4006oF TAME LI2 L7. 0 LI 3 R17 33.000. 2545156 C2 MMF 11 DET. yap. C. 6148 RT 4t C29 56.000.g 17

7、5 Miff -s- R8 2400. R9 2.2 ME 23 a C30 .05 MFG L22 13450. 0 330.-60. R21 ELI) 3,500. RECT. C40 5Z4 c 39 .-0351F0 r3.o2t0.10 sum. R19 48,. 430k 25 TO FILAMENTS PILOT LAMPS C31 0.1 him b AUDIO 6F5 R 24 n. 85. C36 C00.07 m MOD. RIST 270,000 OUTPUT 8F8 4. .1 $1,116 T. 70542-P meDELs 80 A 802 T 0 HUM NEU

8、T C53 .0o s CO LzoIL MFD. L21. 111 MAX. MONS-MIN. LOWS 4713,000,S2 MAA.14113.11-MAX LOWS I sn., E1.00.40,-Miut. LOWS Lpoi:ENR LOrrrno, 74- POSITION TUNING TUBE ISES -/* 418 1 MEG KT COIL CONNECTIONS Schematic Circuit Diagram OX. COIL CONNECTIONS -4er NOTE:812. 8111 AND 8k11 Cathode of 647 I -F Ampco

9、nnected direct to chassis.Grid of 6F5 A -F Amp,connected direct to volume control.Phono. ter - SA. IK .-1 15.1orTI* ANN s-omimrs Las r IN RADIO POSITION ifIluToMRTE STOP SWITCH SERVICE HINTSPERKER RESISTRNCE VRLUES Excessive heating of the 6E5 tube may be due to high cathode current - in excess of 7

10、 ma. The tube should be replaced and the condition of the 524 rectifier checked. TIMING TUBE 11E8 1rre1 PO T2PP4TOSN- 0.22,41.0.9 TONDOS.1.13454 II, 43-41.90.15760.0 urinal board used, see schematic cut on next page. 收音机爱 好者资料库 RadioFans.CN PAGEi4i-B 8T2, 8T11, 8K11, 8U .-. % Ac. -0 AUTOMATIC STOP S

11、WITCH GREEN MACK 3 ML 80770M VIEW RECEIVER CABLE .01 MFG. C-41800 MM _ - CASE -R-33 33,000.n. 41000-A. G41. 0.1 MFD. INTERNAL CONNECTIONS OF INPUT TRANSFORMER PACK PHONO. CONNECT IONS - 8U 8 8 U 2 CORRECT KOMI a 10611/1 Mt 411111/1131 SOOT C/1.111111 I 61111.1 1 ICM VMS ADJUSTMENT PICK-UP CABLE INPU

12、T :TRANS. SLACK 7Intl IE LC 32?5I BROWN BUS SHIELD Model 8T2 uses speaker No. RL-63-4, RL-63E2, 78365-1 or 76385-3. Model 8T11 uses speaker No. RL-63-4. Models 8K11, 8U and 8U2 use speaker No. RL-70-1. PAGE4 3- B 8T2, 8T11, 8K11, 8U & 8U2 REPLACEMENT PARTS Insist on genuine factory tested parts, wh

13、ch are readily identified and may be purchased from authorized dealers Stock No. DESCRIPTION ListStock No. DESCRIPTION List RECEIVER ASSEMBLIES 12070Resistor -18,000 ohms -Carbon type - 12706 13098 5237 11625 11759 12511 11465 11256 Arm -Arm and hub assembly for op- erating shutter Board -Antenna an

14、d groundterminal board Bushing -Variable tuning condenser mounting bushing assembly -Package of 3 Cable-Radiotron tuning tube cable com- plete with socket Cable -2 -conductor shielded volume con- trol cable -complete with 4 -contact fe- male connector Cap -Contact cap -Package of 5 Capacitor -Adjust

15、able trimmer (C22) Capacitor -Adjustable trimmer (C50) 5033 11322 11365 3118 11453 11452 11397 1/10 watt -(R30, R31) -Package of 5 Resistor -33,000 ohms -Carbon type - 1watt -(R17) -Package of 5 Resistor -39,000 ohms -Carbon type -1/4 watt -(R12) -Package of5 Resistor -82,000 ohms -Carbon type -1/4

16、watt -(R14) -Package of 5 Resistor -100,000 ohms -Carbon type - 1/4 watt -(R5) -Package of 5 Resistor -270,000 ohms -Carbon type - 1/10 watt -(R15) -Package of 5. Resistor -470,000 ohms -Carbon type - 1/10 watt -(R16) -Package of 5 Resistor560,000 ohms -Carbon type - 1/10 watt -(R2, R4) -Package of

17、5 4955Capacitor -Adjustable trimmer (C45) 12013Resistor -1 megohm-Carbon type -1/10 12065Capacitor -Adjustable trimmer (C51) watt -(R18) -Package of 5 12814Capacitor -5.6 Mmfd.-(C13) 11626Resistor -2.2 megohms-Carbon type- 12974Capacitor -120 Mmfd.-(C17) % watt -(R9, R10, R13) -Package of 5116Capaci

18、tor -175 Mmfd.-C29) 5 13003Capacitor -180 Mmfd.-(C35, C47) 4669Screw -No. 8-32 set screw for arm Stk 11290Capacitor -400 Mmfd.-(C9, C16) No. 12706 -Package of 10 11621Capacitor -3,600 Mmfd.-(C10)12064Shield -Antenna or detector coil shield 4868Capacitor -.005 Mfd.-(C12, C33,C52, 11604Shield -Oscilla

19、tor coil shield C53) 11390Shield -Intermediatefrequencytrans- 11451Capacitor -.017 Mfd.-(C38) former shield 11395Capacitor -.01 Mfd.-(C32) 12735Shield -Dial lamp shield -Package of 5 4858 4839 4841 11414 5170 Capacitor -.01 Mfd.-(C36) Capacitor -0.l Mfd.-(C21) Capacitor -0.1 Mfd.-(C31) Capacitor -0.

20、1 Mfd.-(C42) Capacitor -0.25 Mfd.-(C25) 12971 11222 11195 Shutter -Dial scale holder and shutter assembly Socket -Dial lamp socket Socket -5 -contactrectifier Radiotron 4836Capacitor -.05 Mfd.-(C30) socket 11240Capacitor -10 Mfd.-(C39)11198 Socket -7 -contact6K7 -6F5 -or6H6 11387Capacitor -10 M fd.-

21、 (C2)Radiotron socket 5212Capacitor -18 Mfd.-(C40)11196Socket -8 contact 6A8 or 6F6 Radiotron 12061Coil -Antennacoil -Lessshield -(L2,socket L3, L4, L5, L23, C6, C55)12849Spring -Tension spring shutter -Pack- 12062Coil -Detectorcoil -Lessshield -(L6,age of 5 L7, L8, L9, L15, C48, C49)12966 Switch -R

22、ange switch -(S1) 12063Coil -Oscillator coil -Less shield -(L10, L11, L12, L13, L14, C20) 11392Switch -Tone control and power switch assembly -(S2, S3) 12965Condenser -Three -gang variable tuning condenser -(C7, C8,C14,C15,C18, C19) 11388Transformer -Firstintermediate fre- quency transformer -(L16,

23、L17, C24, C26) 4153 4573 Connector -4 -contactfemaleconnector for volume control cable Connector -2 -contactfemaleconnector 11389Transformer -Second intermediate fre- quency transformer -(L18, L19, C27, C28, C29, R7, R8) for motor cable11803Transformer -Powertransformer -105- 13094Dial -Station sele

24、ctor dial scale125 volts -50-60 cycles -(T1) 11394Foot -Chassis foot assembly -Package of 2 11805Transformer -Power transformer -l05- 130,140-160,195-250volts -40-60 12712Indicator -S t a t ion selector indicator cycles (T1) pointer11667 Trap -Wave trap -(L1, C45) 5226Lamp -Dial lamp -Package of 513

25、144 Volume control -(R11) 12718Mask -Dial Light Diffuser with colored screen MODELS 812, 8111 AND 8k11 11393Resistor -Voltage divider resistor -corn - prising one 3,500 ohm and one 13,000 Add Stock No. ohm sections -(R21, R22) 127 17Board - Phono. terminal board. 11329Resistor -Voltage divider resis

26、tor- com- prising one 148 ohm, one 32 ohm and one 85 ohm sections -(R19, R20, R24) 11804Transformer -Power trans.105/125 volt 25/50 cycle. 12075 12071 Resistor -56 ohms -Flexible type com- plete with contact cap -(R32) Resistor -120ohms -Carbontype -1/4 watt -(R23) -Package of 5 Stock No.11759 Cable

27、,11414 Capacitor (C42), 4153 Connector and 4573 Connector used with Models 80 and 8U2 only. PAGE 1 44- B 8T21 8T11, 8K11, 8U & 8U 2 REPLACEMENT PARTS (Continued) Stock No. DESCRIPTION ListStock No. DESCRIPTION List 8 U &8U 2 3389Rod-Eccentric automatic brake trip rod -Package of 5 MOTOR ASSEMBLIES 3

28、387Screwassembly-Pickup mounting 11703 11701 Governor-Governor complete for phon- ograph motor-Stock No. 11701 or No. 11702 Motor-Phonographturntab:e motor- 110 volts -50 to 60 cycles-(M1) 11549 11547 screw assembly-comprising one screw, one lockwasher and one nut-Package of 10 Screw-Pickup front co

29、ver screw-Pack- age of10 Screw-Pickup needle holding screw- MOTOR BOARD ASSEMBLIES Package of 10 4594Box-Used needle box (cup) 8US. 8U 2 4577Connector -2 -contact male connector for motor cable MISCELLANEOUS ASSEMBLIES 7084Cover-Turntable cover11996Bracket-Tuning tube mounting bracket 11704Damper-Tu

30、rntable rubber damper andand clamp damper plate11947Cable -2 -conductorshieldedcable,ap- 4596Escutcheon-Speed regulator escutcheon plate proximately 35 inches long-connects volume control to input transformer 4597Screw-Motor mounting screw assembly -comprising four screws, four lock- washers, four s

31、pacers, and four nuts 11948Cable-3-conducto- shielded volume con- trol cable (control end)-complete with 4 -contact male connector 11696Turntable-Complete6123Connector -4 -contact male connector for 11695Volumecontrol-Phonographvolumevolume control cable control-(R27, S5)12698Crystal-Station selecto

32、r escutcheon and crystal ECCENTRIC AUTOMATIC BRAKE 11276Escutcheon-Tuning tube escutcheon SWITCH ASSEMBLIES 11347Knob - Phonographvolumecontrol, 3994Cover-Eccentric automatic switch cover and screw radio volume control, range switch, or tone control and power switch knob - 10174Springs-Automatic bra

33、ke springs-com-Package of 5 prisingoneeachoffoursprings- Package of 2 sets 11610Knob-Station selector knob assembly, comprising one large and one small 6896Switch-Eccentric automatic brake andknob-Package of 5 switch assembly-less switch cover12556Receptacle-Needle holder 3322Switch-Eccentric automa

34、tic switch only -less cover-(S13) 11210Screw-Chassismountingscrewas- sembly-Package of 4 11349Spring-Retaining spring for knob Stk. PICKUP AND ARM ASSEMBLIES No. 11347, and small knob in Stk. No. 11944Arm-Pickup arm complete-less pickup 11610-Package of 5 unit 4982Spring-Retaining spring for large k

35、nob 13404Armature-Pickup armature in Stk. No. 11610-Package of 10 11548Back-Pickup housing back 3391Spring-Suspension spring and washer 11946Coil-Pickup coil-(L24) assembly for mounting motor board, 3521Cover-Pickup back cover comprising 1bolt,1top spring,1 bot- 11708Cover-Pickup front cover torn sp

36、ring, 2 cup washers, 1 C washer 12354Damper-Pickup damper and1cap nut 3516Damper-Pickup arm damper-compris- ing one upper and one lower damper, one upper bushing and one lower bear- ing 11949Transformer-Phonograph input trans- formerpack,comprisingone input transformer, one 1,800 Mmfd., one .01 Mfd.

37、 and one 0.1 Mfd. capacitors and 3390Escutcheon-Pickup arm escutcheon one1,000 -ohm, one33,000 -ohmre - 11945Pickup unit-Complete-(L24) sistors (T3, C41, C43, C44, R26, R33) Model 8U (Motor No. 56992-1) On Model 8U, two different motors are used which are readily identi- fied by the following number

38、s stamped on the motor nameplate: (1) 72444-1 and (2) 56992-1. No. 72444-1 is an induction motor with a gov- ernor -type speed regulator while No. 56992-1 is a synchronous motor. Re- placement parts for No. 72444-1 are listed in the Service Data for Model SU while the replacement parts for No. 56992

39、-1 are listed below: Stock No. Description 8989Motor complete, 105-125 volts, 60 cycles 8993Rotor and shaft for Stock No. 8989 3398Spring - Motor mounting spring assembly 3817Stud - Motor mounting stud PAGE 1.4 5- B 8T2, 8T11, 8K1 1, 8U & 8U2 REPLACEMENT PARTS (Continued) Stock No. DESCRIPTION ListS

40、tock No. DESCRIPTION List REPRODUCER ASSEMBLIES8T2 8T11 L8 K 11 Speaker No. RL63-4 or RL70-1MISCELLANEOUS ASSEMBLIES 11232Board-Terminal board with two lead wire clips 11996Bracket-Tuning tube mounting bracket and clamp 11231Bolt-Yoke and core assembly bolt and nut 12666Cover-Reproducercover-(Model

41、8K11) 8060Bracket-Output transformer mounting bracket 12698Crystal-Station selector escutcheon and crystal-(Model 8T2) 11257Clamp-Cone center suspension clamp- ing 5 nut and screw assembly-Package of 13303 11276 Crystal-Station selector escutcheon and crystal-(Model 8T11 or 8K11) Escutcheon-Tuning t

42、ube escutcheon - 11254Coil-Field coil-(L22) (Model ST2) 11233Coil-Neutralizing coil (L20) . 13275Escutcheon-Tuningtubeescutcheon 11235Cone-Reproducer c one - (L21) - (Model 8T11 or 8K11) (Speaker No. RL63-4)-Models 8T2 11258 or 8T11 Cone-Reproducer cone - (L21) - 11347Knob-Range switch,tone control

43、or volume control knob-Package ofS (Speaker No. RL70-1)-Model 8K11 (Model 8T2) 5119Connector -3 -contact femaleconnector for reproducer cable 11610Knob-Station selector knob-includes one large and one small knob-Package 5118Connector -3 contact maleconnector of 5-(Model 8T2) for reproducer 13304Knob

44、-Large stationselector knob - 9618Reproducer-Complete (SpeakerNo.Model 8T11 only-Package of 5 . RL63-4)-Models 8T2 or 8T11 13395Knob-Largestationselectorknob - 9619Reproducer-Complete (SpeakerNo. Model 8K11 only-Package of 5. RL70-1)-Model 8K11 13305Knob-Small (Vernier) Station selector 11253 11886

45、Transformer-Output transformer-(T2) Washer-Spring washer used to hold knob-Mcdel 8T11 only-Package of 5 field coil securely-Package of 5 . 13396Knob-Small (Vernier) Station selector knob-Model 8K11 only-Package of 5 Speaker No. 76365-1 13306Knob-Tone control, volume control or 11836 Cone-Reproducer

46、cone range switch knob-Model 8T11 only - 5118 Connector -3 -contact male connector forPackage of 5 reproducer 13278Knob-Tone control, volume control or 9634Reproducer-Complete range switch knob-Model 8K11 only - 11837Transformer-Output transformerPackage of 5 (Field and hum coils are not removable)

47、Speaker No. 76365-3 11210Screw-Chassismountingscrewas- embly for console model only-Package of 4 11377Screw-Chassismountingscrewas - 11844Coil-Field coil sembly for table model only-Package 11842Coil-Hum neutralizing coil of 4 11838Cone-Reproducer Cone 4982Spring-Retaining spring for large knob 5118

48、Connector -3 contact male connector for reproducer in Stk. No. 11610, 13304 and 13395- Package of10 9635Reproducer-Complete 11349Spring-Retaining spring for knob Stk. 11839Spring - Reproducer centersupport clamping spring-Package of 2 No. 11347, 13278, 13305, 13306, 13396 and small knob in Stk. No.

49、11610- 11843Transformer-Output transformer Package of 5 Stock No. Model 8T2 (Speaker No. RL-63E2) Description 12641Board - Reproducer terminal board 12640Bracket - Output transformer mounting bracket 11254Coil - Field coil 11233Coil - Hum neutralizing coil 12642Cone - Reproducer cone and dust cap 5118Connector - 3 -contact male connector for reproducer 9773Reproducer complete 11253Transformer - Output transformer 11886Washer - Spring washer to hold field coil securely