RCA-Victor-Co-Inc-263 电路原理图.pdf

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1、PAGE 540-B MODELS 262 AND 263 Ten -Tube, Five -Band A. C. Superheterodyne MODEL 262 MODEL 263 ELECTRICAL SPECIFICATIONS Voltage Rating 105-125 Volts Frequency Rating 25-60 and 50-60 Cycles Power Consumption 130 Watts (All Frequencies) Type and Number of Radiotrons. 1934 PRODUCTION1.2 RCA -6D6, 1 RCA

2、 -6A7, 4 RCA -76, 2 RCA -42, 1 RCA-5Z3-Total, 10 Number and Typc of Radiotrons 1935 PRODUCTION 2 RCA -6D6, 1 RCA -6A7, 2 RCA -76, 1 RCA -85, 2 RCA -42, 2 RCA -80 -Total, 10 Band X-140 KC -410 KC Band A- 540 KC -1720 KC Band B- 1720 KC -5400 KC Band C- 5400 KC - 18,000 KC Band D-18,000 KC - 36,000 KC

3、 175 KC, 410 KC, 460 KC, 600 KC, 1720 KC, 5160 KC, 18,000 KC 7 Watts Tuning Frequency Range Line-up Frequencies Maximum Undistorted Output Maximum Output 14 Watts VARIATIONS IN MODELS 262 AND 263 #1 - Early 1934- Uses Type )6 as 2nd Det. 111.1I 1,11i (LI RESISTOR BOARD MINE :T ION S N a) N 90 收音机爱 好

4、者资料库 RadioFans.CN 41( LASt R F PHI 6D6 laLo Rss a-lannto na Ls 3 rr. , . TI 5O2 66 10- 450 MVO .41100 Lil 10.G112,50,0 M Mm I I,1SDMID 5.20 Woo. (AT Cxe 10.40- =SW MVO t111,0 LITIts 61.9 84. CI I Inn 49 000a 050TYIS 24 Or I V BS Iu nmD614, s 606B5 . CbC4 Z.D DE1 loli3O.4010 ,r3 cos I10009155Ti ,C s

5、PIo 4 R14ntr Id 000 RI, sna,a, 1.11 2 slam/ cnro COS 5 ;40 Oro Po6o 560A C46 l4s coo RHO Rti 204 sato. DRIVER 16 Won RSn Oesnro 250. FIELD 008 .;-?; RECT C66 523 -tento 10 31 To HE AT EAs look. intips R29 400 Rte Mop. 53rD 41n SI 25133 C54 4.5 0I rirp LS, (JIPuT 42 U 471. k 30oro oos Mr1) 8 0 -410,

6、POWERTRANSFORnR CONNECTIONS FOR 2000 -Schematic Circuit Diagram-Models with fidelity change for band position (late 1931 production 262 and late 193-1 production 263) Changes in Late 1934 production: Radiotron Type 1-V used as 2nd Det. and itshould be con- nected to plus B (green lead) of the primar

7、y circuit. 1) a) 20 co PAGE 546-B 262 ,acE) 21.31.74.A. )SIriLdivrnt0.2 -) Mr R ONASY110 MT. 011(MMAIIT .01.11111 TM. -1Kadiotran Socket Voltages NOTE:1931Production.Two Type 8o Radiotrons used as rectifiers. Type 8q Radiotron used as 2nd Det. ,A.V.C. & ist A-F, Plate Voltage 107Volts- 1.4nullamPere

8、s. REPLACEMENT PARTS 1934 PRODUCTION Insist on genuine factory tested parts, which are readily dentified and may be purchased From authorized dealers Stock N DESCRIPTION o. 1 ListStock No. DESCRIPTION List RECEIVER ASSEMBLIES4604Mount-Fuse mountfor200-250volt 4372Bracket-Bass tone control mounting b

9、racket. operation 4683Bracket - Trebletonecontrolmounting 77.84Reactor-Tone control reactor (L34) bracket 6135Resistor -270 ohms-Carbon type-WI watt 4406Bracket-Volume control mounting bracket -Package of 5 (R3, R7, R11) 3794Capacitor -100 mmfd.-Located on first I. F. transformer (C33) 4622Resistor

10、-500 ohms-Carbon type -34 watt -Package of 10 (R12) 3981Capacitor -300 mmfd.-Located on second I. F. transformer (C42) 4370Resistor -1,000ohms-Carbon type-% watt-Package of 10 (R9, R10, R13, R25). 4668Capacitor -770 mmfd. (C60) 6243Resistor -6,000ohms-Carbontype -3i 4409Capacitor -1120 mmfd. (C39, C

11、45) watt-Package of 5 (R19) 3643Capacitor -0.005 mfd. (C51, C52) 3998Resistor -15,000 ohms-Carbon type -3 3787Capacitor -0.01 mfd. (C53) watt-Package of 5 (R34) 3639Capacitor -0.02 mfd. (C43) 6143Resistor -40,000 ohms-Carbon type -3 4652Capacitor -0.02 mfd. (C5Q) watt-Package of 5 (R23) 3888Capacito

12、r -0.05 mfd. (C35) 3602Resistor -60,000 ohms-Carbon type-( 4694Capacitor -0.05 mfd. (C44) watt-Package of 5 (R14) 3765Capacitor -0.025 mfd. (C49) 3118Resistor -100,000 ohms-Carbon type-X, 3877Capacitor -0.1 mfd. (C37) watt-Package of 5 (R1, R30) 4645Capacitor -0.1 mfd. (C34, C38) 3744Resistor -250,0

13、00 ohms-Carbon type -3d 3597Capacitor -0.25 mfd. (C47) watt-Package of 5 (R32) 3702Capacitor -0.25 mfd. (C48) 6186Resistor -500,000 ohms-Carbon type-u 7790Capacitor -10. mfd. (C58). watt-Package of 5 (R33) 7788 7833 Capacitor -18. mfd. (C57) Capacitor pack-Comprising two 10. mfd. and one 4. mfd. cap

14、acitor (C46, C55, C56). 3033 6242 Resistor -1 megohm-Carbon type-s watt -Package of 5 (R16) Resistor -2 megohms - Carbon type - 3.4 watt-Package of 5 (R15, R18) 4420Clamp-Antenna lead clamp and screw- Package of 10 3594Resistor -50,000 ohms-Carbon type -3 watt-Package of 5 (R20, R21) 4358Clamp-Mount

15、ing clampfor capacitor- Stock No. 7788 or No. 7790 2240Resistor - 30,000 ohms- Carbon type -1 watt (R26) 7806Coil-First audio plate choke (L33) 4649Resistor-Flat type-Total resistance 8820 4371Cover-Fuse mount cover ohms-Divided as follows: one 220 ohms, 10907Fuse -3 amperes-Package of 5one 3,900 oh

16、ms and one 4,700 ohms sec - 3376Mount-Fuse mount -105-125 volt opera-tion (R27, R28, R29) tion7804Rheostat-Sensitivity control rheostat (R4). . * R12 Resistor -500 ohms-Some Models PAGE 547-B 262 & 263 REPLACEMENT PARTS (Continued) 1PRODUCTION Insist on genuine factory tested parts, which are readil

17、y identified and may be purchased from authorized dealers Stock No. DESCRIPTION ListStock No. DESCRIPTION List 4656 Screw -Volume control mounting assembly4656Screw -Chassis mounting screw assembly- -Comprising one bushing, one washer, one shakeproof washer and one nut Comprising one bushing, one wa

18、sher, one shakeproof washer, and one nut (four sets 4452 Shield -First audio, second detector A.V.C. required to mount chassis) or driver Radiotron shield7800 Shield -Antenna, detector or oscillator coil 3683 Shield -Second detector-A.V.C. Radiotronshield shield top4452 Shield -Firstdetector -oscill

19、atorRadiotron 4453 Shield -I. F. Radiotron shieldshield 7800Shield -Intermediate frequency transformer 3683Shield-Radiotron shield top shield4454 Shield -R. F. amplifier Radiotron shield 3859 Socket -4 -contact rectifier Radiotron socket.3529Socket -Dial lamp socket . 7484 7485 Socket -5 -contact fi

20、rst audio, second detector A.V.C. or driver Radiotron socket Socket -6 -contact I. F. Radiotron socket 7485 3572 Socket -6 -contact R. F. amplifier Radiotron socket , Socket - 7 -contactfirstdetector -oscillator 6676Socket -6 -contact output Radiotron socket.Radiotron socket 4686Strip-ANT-GND termin

21、al strip -Two terminals and link 7836Switch -Range switch (S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11) 7796Switch -Operating switch (S12) 7795ToneDRIVE ASSEMBLIEScontrol -Bass tone control (R22) Tone control -Treble tone control (R24)46484362Arm -Band indicator operating arm 7841Transformer -Audio

22、 transformer pack corn- prising interstage transformer and reactor 10194Ball -Steel ball for variable condenser drive assembly -Package of 20 (T2, L35)4422 Clutch -Tuning condenser drive clutch as - 4431Transformer -Firstintermediatefrequency transformer (L29, L30, C32, C33, C36). sembly-Comprising

23、driveshafts,balls, ring, spring and washers -Assembled 4433Transformer -Second intermediate frequency4455Dial -Station selector dial transformer (L31, L32, C40, C41, C42).7799Drive -Variable tuning condenser drive as - 7832Transformer -Driver transformer (T3)sembly complete 9505Transformer -Power tr

24、ansformer -105-125 volts -50-60 cycles (T1) 4364Gear -Spring gear assembly complete with hub, pinion, gear cover and spring 9506Transformer -Power transformer -105-125 volts -25-40 cycles 4361Indicator -Band indicator -Celluloid lettered -D. C. B. A. X 9507Transformer -Power transformer -105-2504363

25、Pointer -Station selector main (large) pointer. 4367Pointer -Stationselectorvernier (small) volts -40-60 cycles Volume control (R17)4650pointer 3943Screen -Celluloidscreenfor diallight- R.Package F. UNIT ASSEMBLIES 3993 of 2 Screw -No. 6-32-5/32 square head. set 2747Cap -Contact cap -Package of 5scr

26、ew for band indicator operating arm or 4646Capacitor -4.5 mmfd. (C10) variable condenser drive -Package of 10. 4633Capacitor -50 mmfd. (C19)4377 Spring -Band indicatorand arm tension 3981Capacitor -300 mmfd. (C8)spring -Package of 5 4413Capacitor -360 mmfd. (C28)4378 Stud -Band indicator operating a

27、rm stud - 4412Capacitor -1,120 mmfd. (C25) Package of 5 4524 4615 Capacitor -2,850 mmfd. (C23) Capacitor -2,850 mmfd. (C20) CABLE ASSEMBLIES 4417Capacitor -0.05 mfd. (C5, C15) 4653Cable -Main cable 4415Capacitor -0.1 mfd. (C7, C16) 4654Cable -4 -conductor -Reproducer cable 4645Capacitor -0.1 mfd. (C

28、9, C31) 4655Cable -Shielded cable -From low -frequency 3861Capacitor -Adjustable capacitor (C27, C30) tone control to resistor boards 4420Clamp -Antenna lead clamp and screw- REPRODUCER ASSEMBLY Package of 10 D 4645Capacitor -0.1 mfd.-Located on output 4410Coil -Antenna coil -Band (L1, L2) transform

29、er (C54) 7803Coil -Antenna coil-B.-S.W. (L3, L4, L7, L8, Cl, C3) 7835Coil -Field coil, magnet and cone support (L37) 7810Coil -Antenna coil-P.B.-L.W. (L5,L6, 8969Cone -Reproducer cone (L36) -Package of 5. L9, L10, C2, C4) 9543Reproducer -Reproducer complete 7805Coil -Detector coil-B.-S.W. (L13, L14,

30、 6999Screen -Dust (cloth) screen -Package of 6 L17, L18, C11, C13) 7834Transformer -Output transformer and ca - 7808Coil -Detector co il-P. B. -L. W. (L15, L16, L19, L20, C12, C14) pacitor (T4, C54) 4421 Coil -Detector coil -Band D (L11, L12).MISCELLANEOUS PARTS 7807 Coil -Oscillator coil-B.-S.W. (L

31、21, L22, L25, L26, C22, C26) 4677 Bezel -Metal bezel (escutcheon) for station selector dial glass 7809 Coil -Oscillator coil-P.B.-L. W. (L23, L24, 6614Glass -Station dial glass L27, L28, C24, C29) 3829Knob -Bass or treble tone control, volume 7801 Condenser -3 -gang variable tuning condenser (C6, C1

32、7, C21) or sensitivity control range switch or oper- acing switch knob -Package of 5 4340Lamp -Dial lamp -Package of 5 4657Knob -Knob station selector knob -Package 4370Resistor -1,000 ohms -Carbontype -34 of 5 watt -Package of 10 (R5) 4678Ring -Retaining ring for dial glass-Pkg. of 5. 3602 Resistor

33、 -60,000 ohms -Carbon type -n watt -Package of 5 (R8) 4119Screw32headless for knob-834set screw -Stock No. 4657 -Package of 20 4418 Resistor -100 ohms -Flexible type -Package of 10 (R2, R6) 4393 Screw -8-32-5 /16 headless set screw for knob -Stock No. 3829 -Package of 10. . PAGE4 ES- s 262 & 263 REP

34、LACEMENT PARTS 1PRODUCTION Insist on genuine factory tested parts, which are readily chntiAed and may be purchased From authorized dealers Stock Dascarrrior4 No. ListStock No. DzsourrioN List RECEIVER ASSEMBLIES 4372Bracket-Bass tone control mounting bracket. 3744Resistor -250,000 ohms-Carbon type -

35、34 watt (R32)-Package of 5 4683Bracket - Trebletonecontrolmounting bracket 6186Resistor -500,000 ohms-Carbon type- watt (R33)-Package of 5 4406Bracket-Volume control mounting bracket. 4783Resistor -1,100,000 ohms-Carbon type- h watt (R16)-Package of 5 4416Capacitor -50 mmfd. (C62)-Package of 5. 6242

36、Resistor -2 megohms - Carbon type -g 3794Capacitor -100 mmfd.-Located on first I.F.watt (R15, R18)-Package of 5 transformer (C33) 3594Resistor -50,000 ohms-Carbon type- g 3981Capacitor -300 mmfd.-Located on secondwatt (R20, R21)-Package of 5 I. F. transformer (C42) 2240Resistor - 30,000 ohms - Carbo

37、n type - 1 4668Capacitor -770 mmfd. (C60)watt (R26) 4409Capacitor -1120 mmfd. (C39, C45)4649Resistor-Flat8820type-Total resistance ohms-Divided as follows: one 220 ohms, one 3,900 ohms and one 4,700 ohms sec- tion (R27, R28, R29) 4838 3787 Capacitor -0.005 mfd. (C51, C52) Capacitor -0.01 mfd. (C53)

38、3639Capacitor -0.02 mfd. (C43) 7804 Rheostat-Sensitivity control rheostat (R4). . 4652Capacitor -0.02 mfd. (C50) 4656 Screw-Volume control mounting assembly 4836Capacitor -0.05 mfd. (C35) -Comprising one bushing, one washer, 4694Capacitor -0.05 mfd. (C44) one shakeproof washer and one nut 3765Capaci

39、tor -0.025 mfd. (C49) 4452 Shield-Second detector A.V.C. Radiotron shield 4835Capacitor -0.1 mfd. (C38) 3683 Shield-Second detector-A.V.C. Radiotron 4841Capacitor -0.1 mfd. (C34, C37)shield cop 3597Capacitor -0.25 mfd. (C46, C47, C61) 4453Shield-I. F. Radiotron shield 3702Capacitor -0.2.5 mfd. (C48)

40、 4742 Shield-Intermediate frequency transformer 7790Capacitor -10. mfd. (C58) shield 7788Capacitor -18 mfd. (C57) 4784 Socket-I-contact rectifier Radiotron socket. 4831Capacitor pack-Coinprising one 10. mfd. 4814 Socket -5 -contact driver Radiotron socket. and one 4. mfd. capacitor (C55, C56) 4786 S

41、ocket -6 -contact I. F. amplifier-Second de- 4420Clamp-Antenna lead damp and screw- Package of 10 tector-A.V.C. or outputRadiotron socket 4358Clamp-Mounting damp for capacitor- Stock No. 7788 or No. 7790 4686 Strip-ANT-GND terminal strip-Two terminals and link 7806Coil-First audio plate choke (L33)

42、7796 Switch-Operating switch (S12) 4371Cover-Fuse mount cover 4829 Tone control-Bass tone control (R22). 10907Fuse -3 amperes-Package of 5 4830 Tone control-Treble tone control (R24). 3376Mount-Fuse mount -105-125 volt opera- tion 7841 Transformer-Audio transformer pack com- prising interstage trans

43、former and reactor 4604Mount-Fuse mountfor200-250volt (T2, L35) 7784 operation Reactor-Tone control reactor (L34) 4431Transformer-First intermediatefrequency transformer (L29, L30, C32, C33, C36). 6135Resistor -270 ohms-Carbon type-/ watt (R3, R7, R11) -Package of 5 4433 Transformer-Second intermedi

44、ate frequency transformer (L31, L32, C40, C41, C42). . 4687Resistor -1000 ohms-Carbon type-watt 7832 Transformer-Driver transformer (T3) 4834 (R25)-Package of 10 Resistor -1100 ohms-Carbon type3.4 watt 9505 Transformer-Power transformer -105-125 volts -50-60 cycles (T1) 4833 (R9, RIO. R13)-Package o

45、f 5 Resistor -490,000 ohms-Carbon type -3 - 9506 Transformer-Power transformer -105-125 volts -25-40 cycles 3998 watt (R19)-Package of 5 Resistor -15,000 ohms-Carbon type -34 watt (R34)-Package of 5 9507 4832 Transformer-Power transformer -105-250 volts -40-60 cycles Volume control (R17) 6143Resisto

46、r -40,000 ohms-Carbon type-X watt (R23)-Package of 5R. F. UNIT ASSEMBLIES 3114 3602 Resistor -50,000 ohms-Carbon type-X watt (R31)-Package of 5 Resistor -60,000 ohms-Carbon type- 34 watt (R14)-Package of 5 4244 4646 4633 Cap-Contact cap-Package of 5 Capacitor -4.5 mmfd. (C10) Capacitor -50 mmfd. (C1

47、9) 3118Resistor -100,000 ohms-Carbon type -34 4842Capacitor -400 mmfd. (C8) watt (R1, R30, R35)-Package of 54811 Capacitor -340 mmfd. (C28) PAGE 549-B 262 & 263 REPLACEMENT PARTS (Continued)P 19 35 RODUCTION Insist on genuine factory tested parts, which are readily identified and may be purchased fr

48、om authorized dealers Stock No. DESOO PTION ListStock No. DESCRIPTION List 4412Capacitor -1,120 mmfd. (C25) 7799Drive -Variable tuning condenser drive as - 4524Capacitor -2,850 mmfd. (C23) sembly complete 4615Capacitor -2,850 mmfd. (C20) 4827Gear -Spring gear assembly complete with hub, pinion, gear

49、 cover and spring 4836Capacitor -0.05 mfd. (C5, C15) 4704Indicator -Band indicator -Celluloid lettered 4841Capacitor -0.1 mfd. (C7, C16)-D. C. B. A. X 4835Capacitor -0.1 mfd. (C9, C31)4360Pinion -Vernier pointer pinion 3861Capacitor -Adjustable capacitor (C27, C30).4363Pointer -Station selector main (large) pointer. 4420Clamp -Antenna lead clamp and screw- Package of 10. 4367Pointer -Stationselectorvernier(small) pointer 4410Coil -Antenna coil -Band D (L1, L2).3943Screen -Celluloidscreenfordiallight - 7803Coil -Antenna coil -Band B -C (L3, L4, L7, P