RCA-Victor-Co-Inc-260 电路原理图.pdf

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1、PAGE 178-B MODELS R90, R9OP, 260 r0g 0 1200 800 WO-, 14o 320 -M.20.I 411420.C:a I C21 LaLi! 1211 DCT , I- 11. , 0.05 N,O. I.02.2 *OFD. 41.5. 41.5.1 RCA34 11, I 0 1 . . , 992 1,1. -.6 :.0442,0 0.1 MVO VAO. 0* C ry 4.402 1 -21110111-1 BlVt- 11.-7 2206.101U Sut 2100. t 1111013 GREEN .1111 11.112 INTERN

2、AL CONNECTIONS OF INTERSTAGE TRANSFORMER -Schematic Circuit Diagram Model R-90 is single range - 54o Kc to 150o Kc. Models R -9o, R-901) and 260 have a tuning meter in series with the R -F Amp B supply lead. A 0.1 mfd condenser is connected fromnega- tive side of the meter to chassis. R12may be 6o,0

3、00 ohms.R26 may he 4500 ohms. 1-1 -M01110m- 201104- 52244- 2 15, I1411 60- 3 15, 110 V:5., BIM BROWN 111., 60- 282.25- BROw11- BLUE - 11208 021100 -REDBUIE- INTERNAL CONNECTIONS OF POWER TRANSFORMER GREEN- lsMrO -K123- Ee -A-812B- li;5 ,D .BROWN- 511211 WIN 11113.1 IR t ,8 ITHTmt YELL3W- 011/1 4E5 I

4、R 1410 INTERNAL CONNECTIONS OF CAPACITOR PACK 2-14 IS -15 1111013 2-10 713 18020 4154 G-15 110 123 042$ INTERNAL CONNECTIONS OF lo. I. F. TRANSFORMER 1-171.17 C-21 140-2311 111120. INTERNAL CONNECTIONS OF 2o I. F. TRANSFORMER C. 0.11 Park 2531 R11 440006 TOTAL T2 7111, Poo.44 1000 / I CM I -BLUE C39

5、 4000 3.44 O. ROW- -BMA II -in MON 11-25 11-7112601 1.11 4011,11110. I -Is100 000. IS800.000. I 100.000. 1-7751. 1-42008. RESISTOR BOARD CONNECTIONS 241E0- -RED 0111.0111 - INTERNAL CONNECTIONS OF A.V.C.- I. F. TRANSFORMER 收音机爱 好者资料库 RadioFans.CN PAGE 380-B R90, R9OP, 260 S watt -Package reactor. of

6、 5 6437 Coil -Oscillator coil assembly 3076 3252 Resistor -1 megobm-Carbon type -s watt -Package of 5 Resistor -100,000 ohms -Carbon type -X watt -Package of 6439 6440 6441 Reactor -High frequency tone control reactor Transformer -Second intermediate frequency transformer Transformer -Third intermed

7、iate frequency transformer 3358 Resistor -3,000 ohms -Carbon type -s watt -Package 6442 Reactor -Volume control aeries reactor of S 6443 Capacitor -10 mfd 3435 Resistor -250 ohms -Carbon type -34 watt -Package 6444 Socket -Five contact Radiotron socket of S 6445 Socket -Sit contact Radiotron socket

8、3440 3455 3460 Resistor -4,500 ohm -Carbon type -5.4 watt -Package of 5 Capacitor -0.01 mfd. capacitor Capacitor -1,200 woad 6446 6447 6448 Socket -Four contact Radiotron socket Volume control -Complete with mounting nut Tone control -Low frequency tone control complete with mounting nut 3513Capacit

9、or -700 mmfd 6449 Tone control -High frequency tone control complete with 3526Resistor -2,000 ohms -Carbon type- X watt -Packagemounting nut of 5 6450Rheostat -Noise suppressor rheostat 3527 3528 Resistor -800 ohms -Carbon type -44 watt -Package of 5 Bracket -Volume control or noise suppressor indic

10、ator lamp bracket 6456 6457 6458 Escutcheon -Volume control escutcheon and color screen. Escutcheon -Noise suppressor escutcheon and color screen Escutcheon -High and low frequency escutcheon and color screen 3529Socket -Noiseoppressororvolumeindicatorlamp socket 6459Cable -Braid covered -Five condu

11、ctor reproducer cable. 3530Coil -Second detector plate choke coil 6461Meter -Tuning meter 3531Shutter -Volume control shutter 6537Switch -Range switch 3532Shutter -Noise suppressor shutter 6538Coil -Antenna coil assembly 3533Shutter -High frequency tone control shutter 6539Coil -Detector Coil 3534Sh

12、utter -Low frequency tone control shutter 6541Scale -Dial and dial scale 3535Socket -High or low frequency indicator lamp socket 6547Beael-Tuning Meter beael 3546Capacitor -150 mmfd 6786Condenser -3 gang variable tuning condenser assembly. 3548Knob -High or low frequency tone control knob 7062Capaci

13、tor -Adjustabletrimmingcapacitor -15to70 mmfd. 3551Screw assembly -Chassis mounting washer and screw assembly -Comprising 4 screws.4lockwashers,4 washers, 8 cushions and 4 spacers -One set 7065Screw driver -Non-metallic screw driver for oscillator and I. F. adjustments 3552Resistor -200 ohms -Porcel

14、ain type -20 watts 7439Drum -Dial drum with set screws and three dial mount- 3553Resistor -8,000 ohms -Porcelain type -20 watts 7487Shield-Radiotron tube shield 3554Resistor -1,200 ohms -Carbon type -44 watt -Package of 5 7488Shield -Tube shield top 3555Capacitor -0.1 mfd, capacitor -Tuning meter 89

15、78Transformer -Power transformer -105-120 volts -50-60 cycles 3556 3557 Capacitor -0.05 mfd. capacitor Capacitor -0.002 mfd. capacitor 8979Transformer -Power transformer -105-120 volts -25-40 cycles 3558Capacitor -50 mmfd. capacitor 8980Transformer -Power transformer -210-240 volts -50-60 3563Socket

16、 -Tuning meter lamp socket and bracketcycles 3564Bracket -Station selector dial lamp mounting bracket8982Capacitor pack -Comprising two 1.0 mfd. capacitors in 3565Socket -Dial lamp socket metal container 3598Capacitor -0.1 mfd 3615Knob -Range switch knob -Package of 5 RECEIVER ASSEMBLIES - R-90 3638

17、 3726 Scale -Tuning Meter scale -Package of 5 Arm -Range switch operating arm assembly -Comprising arm, link, studs and set screws Refer to Model R -90P 3727Shaft -Shaft and bushing assemblyfor range switch operating arm -Comprising two washers, shaft bushing Change the following Stock Nos. and nut

18、3747Capacitor -15 mmfdFromTo 3900Resistor -2,600 oh ms -Carbon type -s watt -Package of 5 6114Resistor -20,000 ohms -Carbon type -1 watt -Package of 5 32526185 Resistor - 100,000 ohms - 1/2 watt. 6142 6192 Resistor 84447484 Socket - 5 contact Radiotron socket. 64457485 Socket -6contact Radiotron soc

19、ket. -6,000 ohms -Carbon type -34 watt -Package of 5 Spring -Three gang tuning condenser drive cord tension spring -Package of 10 64468300 Socket - 4 contact Radiotron socket. 6279Resistor -15,000 ohms -Carbon type -34 watt -Package of 65388433 Coil - Antenna coil. 6280Resistor -400,000 ohms -Carbon

20、 type -f watt -Pack- age of S 65396438 Coil - Detector coil. 6282Resistor -60,000 ohms -Carbon type-watt -Package of 5 65413838Scale - Dial and dial scale. 6288!Comb -Volume control or noise suppressor knob- Package of 65478462 Bezel - Tuning meter bezel. 6298Cord -Three gang tuning condenser drive

21、cord -Package of 5 67867581 Condenser - 3 gang tuning condenser. 6314Capacitor -160 mmfd. -Package of 5 Stock Nos 3024Capacitor, 3546CaPacitOr,361510505, 6316 Resistor -2,500 ohms -Carbon type -4S watt -Package of S3726 Arm, 3727 Shaft, 3747 Capacitor, 6316Resistor 6323Shaft -Three gang variable tun

22、ing condenser drive shaft and 6537 Switch not used with Model R-90- -Comprising 1 shaft, 2 C washers and 2 flat washers -Package of 2 REPRODUCER ASSEMBLIES 6429Capacitor pack -Comprising one 0.11 lad. and one 0.7 mfd. capacitor in metal container 6184Board -Terminal board complete with tbres termina

23、ls - Package of 5 6430Capacitor pack -Comprising two 4.0 mfd., one 0.25 mfd., one 0.025 mfd., one 0.1 mfd. and one 0.5 mid. capacitors in metal container 6455 8920 Transformer -Output transformer Ring -Cone retaining ring 6431Reactor -Filter reactor 8969Cone -Reproducer cone -Package of 5 6432 Trans

24、former-Int * ge audio transformer 9425Coil assembly -Comprising fieldcoil, magnet and eons support 收音机爱 好者资料库 RadioFans.CN PAGE 381-B R90, R9OP, 260 & 261 REPLACEMENT PARTS MODEL 261 Insist on genuine factory tested parts, which are readily dentifiedand may be purchased from authorized dealers Stock

25、 No. DESCRIPTION I,istStock No. DESCRIPTION List RECEIVER ASSEMBLIES 6323Shaft -Three gang variable tuning condenser 3024 Capacitor -9 mmfd. (C40) -Package of 2 . . drive shaft -Comprising 1shaft, 2 C 3047 Resistor - 1,500 ohms - Carbon type -M washers and 2 flat washers -Package of 2 watt (R8, R10)

26、 -Package of 5 6429 Capacitor pack -Comprising one 0.11 mfd. 3076Resistor - 1 megohm - Carbon type -.1/2. watt (R4) -Package of 5 and one 0.7 mfd. capacitor in metal con - tainer (C30, C31) 3252 Resistor -100,000 ohms -Carbon type -M watt (R5, R6, R7) -Package of 5 6430 Capacitor pack -Comprising tw

27、o 4.0 mmfd., one 0.25, one 0.025, one 0.1, and one 0.5 3435Resistor -250 ohms -Carbon type-)watt, (112) -Package of 5 mfd. capacitors in metal container (C23, C26, C27, C28, C29, C35) 3455 Capacitor -0.01 mfd. capacitor (C32) 6431Reactor -Filter reactor (L21) 3460 Capacitor -1,200 mmfd. (C24) 6132 T

28、ransformer-Interstage audio transformer 3513Capacitor -700 mmfd. (Cf0) (T2) 3526 Resistor - 2,000 ohms - Carbon type -M watt (R4) -Package of 5 6434Reactor -Second detector plate coupling reactor (L15) 3527Resistor -800 ohms-Carbtin type -M watt (R18) -Package of 5 6435 Transformer -First intermedia

29、te frequency transformer (L8, L9, C14, C15, C16, R9) 3530 Coil -Second detector plate choke coil (L14). 6436 Reactor -High frequency tone control corn - 3551Screw assembly -Chassis mounting washer pcnsating reactor (L17) and screw assembly -Comprising 4 screws, 6437 Coil -Oscillator coil assembly (L

30、5, L6, L7). . 4 lock washers, 4 washers, 8 cushions and 4 spacers 6439 Reactor -High frequency tone control reac- tor (L16) 3552Resistor -200ohms -Porcelain type -20 watts (R22) 6440 Transformer -Second intermediate frequen- cy transformer (L2, L3, C21, C22) 3553Resistor -8,000 ohms -Porcelain type

31、-20 watts (1124) 6441Transformer -Third intermediate frequency transformer (LIO, L11) 3554Resistor - 1,200 ohms - Carbon type -M 6442 Reactor -Volume control series reactor (LI 8) watt (1127) -Package of 5 6443 Capacitor -I0 mmfd. (C34) 3556Capacitor -0.05 mfd. capacitor (CI, C5, C17, C20) 6447Volum

32、e control -Complete with mounting nut (1119) 3557Capacitor -0.002 mfd. capacitor (C33) 6448Tone control -Low frequency tone control 3558Capacitor -50 mmfd. capacitor (C13) complete with mounting nut (R17) 3564Bracket -Station selector dial lamp mount- ing bracket 6449 Tone control -High frequency to

33、ne control complete with mounting nut (R23) 3565Socket -Dial lamp socket 6450Rheostat -Noise suppressor rheostat (113). 3598Capacitor -0.1 mmfd. (C4, C8, C18, C19, (38) 6537 Switch -Range switch (S2, S3, S4, S5, S6, C41, C43, C44) 3726Arm -Range switch operating arm assembly 6538Coil -Antenna coil (

34、LI, L2, R I, Cl) -Comprising arm, link, studs and set 6539Coil -Detector coil (L3, L4) screws 6541Scale -Dial and dial scale 3747Capacitor -I5 mmfd. (C42) 6785Cable -Braid covered -Five conductor re - 3900Resistor - 2,600 ohms - Carbon type -M producer cable watt (R26) -Package of 5 6786Condenser -3

35、 -gang variable tuning conden- 4022Shaft -Shaft and bushing assembly for range ser assembly (C2, C3, C6, C7, C11, C12). switch operating arm -Comprising two washers, shaft, bushing and nut 7062 Capacitor -Adjustable trimming capacitor - 15 to 70 mmfd. (C9) 4023Escutcheon -Station selector escutcheon

36、 . . 7139 Drum -Dial drum with set screws and three 1080Knob -Range switch knob -Package of 5. dial mounting nuts 4081Knob -Volume control or noise suppressor 7484Socket -Five contact Radiotroq socket knob -Package of 5 7485Socket -Six contact Radiotron socket 4082Knob -High or low frequency tone co

37、ntrol 7487Shield-Radiotron tube shield knob -Package of 5 7488Shield -Tube shield top 4169 Trimmer adjustment wrench and screw -driver 8978Transformer -Power transformer -105-120 6114Resistor - 20.000 ohms - Carbon type -1 volts -50-60 cycles (T1) watt (R21, 1125) -Package of 5 8979 Transformer -Pow

38、er transformer -105-120 6142Resistor - 6,000 ohms - Carbon type -M volts -25-40 cycles watt (R6) -Package of 5 8980Transformer -Power transformer -210-240 6186Resistor -500,000 ohms -Carbon type-% volts -50-60 cycles watt (111) -Package of 5 8982 Capacitor pack -Comprising two 1.0 mfd. 6192Spring -T

39、hree gang tuning condenser drive capacitors in metal container cord tensionspring-Package of 10 9050 Oscillator -Test oscillator -150-25,000 K. C. 6242Resistor -2 megohm-Carbon type -u watt (R9) -Package of 5 6279Resistor -15,000 ohms -Carbon type -3 watt (R15) -Package of 5 REPRODUCER ASSEMBLIES 62

40、80Resistor -400.000 ohms -Carbon type -M watt (R11, R12, R13) -Package of 5 6184 Board -Terminal board complete with three terminals -Package of 5 6282Resistor -60,000 ohms -Carbon type -M 6455 Transformer -Output transformer (T3) watt (R20) -Package of 5 8920Ring -Cone retaining ring 6298Cord -Three gang tuning condenser drive 8969Cone -Reproducer cone (L19) -Package of 5. cord -Package of 5 9425 Coil assembly -Comprising field coil, snag - 6300Socket -Four contactRadiotron socket- net and cone support (L20) 6314Capacitor -160 mmfd. (C25) -Package of 5 9463Reproducer complete