RCA-Victor-Co-Inc-CRD-9 电路原理图.pdf

《RCA-Victor-Co-Inc-CRD-9 电路原理图.pdf》由会员分享，可在线阅读，更多相关《RCA-Victor-Co-Inc-CRD-9 电路原理图.pdf（6页珍藏版）》请在收音机爱好者资料库上搜索。

1、PAGE i 86 -13 MODEL CRD-9 (A. C. Operated) RECORD DEMONSTRATOR INTRODUCTION This electric phonograph model provides high quality reproduction of phonograph records for store demonstration purposes.It is arranged for manual operation from behind the counter. Jacks are provided for connecting to an ex

2、ternal source of audio input, such as an automatic record changer. A transfer switch permits quick change -over from the demon- strator pickup to the external source. The volume control is equipped with a locking device for limiting the loudspeaker output to the desired maximum. This adjustment is s

3、et at the factory in accordance with the customers specifications.The locking device can be re- adjusted by the customer to meet special conditions. 5.5 n- - 5 75n.- 55 RECORDIItxTINPUT 2.0n- 2.311- UX-280 -400n. Px EXTERNAL INPUT 44050n o 4-3250a 5-Li, C,R9% 0OZMFD.20000n Cu 10,MFD es MF9 RzCs 11S0

4、00n2.MFD 300a15a1300n LI L2 (5PNR.FLD) TO AMPL. FILAMENTS RiCs 250 aIC.MFD. Rio 200000 a TAPPED AT 100000 a 110000 wv- -Rn 100 000 rt. RECORD SWITCH PHONOGRAPH VOLUME CONTROL INTERNAL CONNECTIONS OF INPUT TRANSFORMER RsRiOUTPUTRe 80000a40000nRCA 29740000a Ct. 0 5MFD lT A.A. RCA 250 R4 760 60a -, Rs

5、Cs 1301 10.5 MFD. 400 Ce - MMFD. -Schematic Circuit Oo 0005 P1ED. (10 200,10. TAPPED Al 100,0016% 630 a T3 9.60.( c. O Ni Radiotron No. Filament to Control Grid Filament to Screen Grid Filament to Plate Plate Current M. A. Filament Volta RCA -230-A. F.4.5-2602.02.0 RCA-247-Pwr.17.026025030.02.5 RCA-

6、247-Pwr.1726025030.02.5 UX-280-Rect.375 volts each plate -80 M. A. total current /11 RCA VICTOR DIVISION OF RADIO CORPORATION OF AMERICA, CAMDEN N. J., U. S. A. 收音机爱 好者资料库 RadioFans.CN PAGE57-B CRD-9 INTERNAL CONNECTIONS OF CAPACITOR PACK INTERNAL CONNECTIONS OF INTERSTARE TRANSFORMER ITTERNAL CONNE

7、CTIONS OF OUTPUT TRANSFORMER TRIM 1.-atot INTERNAL CONNECTIONS OF POWER TRANSFORMER REPLACEMENT PARTS INTERNAL CONNECTIONS OF REACTOR RESISTOR IOW DMINITTIONS Insist on genuine factory tested parts, which are readily identified and may be purchased from authorized dealers Stoc No. DESCRIPTION ListSt

8、ock ok. DESCRIPTION Liet PICKUP, ARM AND TURNTABLE 3476Cable-Shieldedtwoconductorcable- Approximately 13y2 inches long ASSEMBLIES3479Capacitor - 0.005 mfd. - Located nearest 3385Coil-Pickup coil choke coil on resistor hoard 3386Cover-Pickup cover 3481Coil -Choke coil-Located on resistor board 3387 3

9、388 Screwassembly-Pickup mountingscrew assembly comprising one screw, one nut, and one washer-Package of 10. Screw-Pickup needle holding screw-Pack- age of 10 7270 7458 7568 Reactor-Filler reactor Resistor-Flat type440 atohms-Tapped 60, 130 and 250 ohms-Complete with mounting rivets Transformer asse

10、mbly-Comprisinginter - 3389 3390 Rod-Automatic brake trip rod with lock nut-Package of 5 Escutcheon-Pickuarm escutcheon corn- plete withmounting rivets 7569 stage and output transformer in metal container Capacitor pack-Comprising two 10.0 mfd., one 4.0 mfd., one 2.0 mfd. and two 0.5 3417 3418 Armat

11、ure-Pickup armature Cushions-Pickup rubber cushions-Com- prising one damper, two spacer cushions and one damper bushing-Package of 5 mfd8900 Transformer-Power transformer MOTOR ASSEMBLIES 3419 sets Screw-Pickupcovermountingscrew- Package of 10 3398Motor mounting assembly-Comprising 2 cup washers, 4

12、springs and 1 C washer 6335 6346 Pickup-Pickup unit complete Back-Pickup housing back 7389 -One set Rotor and shaft for 105-125 volts -60 cycle 7084 7530 Cover-Suede cover for turntable Arm-Pickup arm complete-Less escutch- eon, pickup, pickup mounting screw, nut and washer 8966 8967 motor Motor-Mot

13、or complete -105-125 volts - 60 cycles Spindle-Turntable spindle with fibre gear 8968Turntable complete for 60 cycle motor MISCELLANEOUS PARTS AMPLIFIER ASSEMBLIES 2761jack-Twin jack with mounting screws 3101Switch -Phonogra ph switch-Double pole, 2882Socket -5 contact Radiotron socket corn- plete w

14、ith insulator single throwToggle type-Located on upper left side of cabinet 2968Socket -4 contact Radiotron socket corn- plete with insulator-For Radiotron UX- 3118Resistor -100,000 ohms-Carbon type-h watt-Package of 5 2806288Knob-Volume control knob-Package of 5 3032Socket -4 contact Radiotron sock

15、et corn- plete with insulator-For Radiotron RCA- 6292Switch-Motor switch-Single pole, single throw-Toggle type 306384Volume control-Complete with mounting 3045Resistor -40,000ohms-Carbon type -1 washer and nut watt-Package of 57054 CordPower cord 3085 3099 Capacitor -400 mmfd.-Located on resistor bo

16、ard Capacitor -0.005 mfd.-Located on resistor REPRODUCER ASSEMBLIES board3483 Bolt-Reproducer mounting bolt assembly 3295Resistor -110,000 ohms-Carbon type -34 watt-Package of 5 -Comprising 2 hook bolts, 2 washers, 2 lock washers and 2 nuts 3297Resistor -80,000ohms-Carbontype -1 6382Transformer-Inpu

17、t transformer watt-Package of 58916 Cone-Reproducer cone-Package of 5 3475Switch-Phonograph and amplifier switch- Single pole, single throw-Toggle type. 9423 Coil assembly-Comprising field coil, mag- net and cone support 收音机爱 好者资料库 RadioFans.CN PAGE 188-B MODEL CRD-9 (Dc)(Direct Current Model) RECOR

18、D DEMONSTRATOR INTRODUCTION This electric phonograph model provides high quality reproduction of phonograph records for store demonstration purposes.It is arranged for manual operation from behind the counter. The volume control is equipped with a locking device for limiting the loudspeaker output t

19、o the desired maximum. This adjustment is set at the factory in accordance with the customers specifications.The locking device can be re- adjusted by the customer to meet special conditions. 52 Pt Li = L2 315ft /NT -1Z1/2 .-SECT 25 n SECT 31haSECT. R, 254n. TOTAL 6550n Li. -3250n. T3r C9 0.02MID. C

20、I 10 MFD. 10000.- _R2 200000 n TAPPED AT 100000 41. RCA -737 g 2300n 0-1 200,000 TAPPED AT 100,000.- 2 PHONOGRAPH VOLUME CONTROL BLACK 6550,. 3250 T 3 1-6 1-24 21,000 C-1 1011. 3 7 22 INTERNAL CONNECTIONS OF INPUT TRANSFORMER C4R5 400MP1F90000n. -4900nI0003MED Cb 4=6 400MMF. R4 60n.440a SECTTOTAL R3

21、 2500n 0.1 CIRCUIT NOT CONNECTED TO CHA55I5 EXCEPT A5 SHOWN. RCA 89 630e. I Tt Ce ,0 005 MU! R6 40000 Schematic Circuit Diagram Redlot ron No. Filament to Control (:rid, 1 ohs Filament to 4,-reen Grid, Volts Filament.to Plate, Volts Plate Current, M. A. FOarnent Vona RCA -237 A. F.6.0- 100 2.46.3 RC

22、A -89 Pwr. 17.093 87 17.06.3 RCA -89 Pwr. 17.093 - 8717.0 6.3 RCA VICTOR DIVISION OF RADIO CORPORATION OF AMERICA, CAMDEN N. J., U. S. A. 收音机爱 好者资料库 RadioFans.CN PAGE 1 8 9-B CRD-9 (Dc) RESISTOR MAIM CONNECTIONS 4 -a. MUM COMECTIONS OF IFMTM 14 WEEK COMMONS Of CMAC1TOR PACE NI1-1 -arm a Taus - in. R

23、EPLACEMENT PARTS INTERNAL COINIECTIONS OF OffElISTAK TIMSFORNER rR COMMCTIONS Of OUTPUT IILIIMORNEI Insist on genuine Factory tested parts, which are readily identified and may be purchased from authorized dealers Stock No DESCRIPTION List Stock No. DESCRIPTION Lilt PICKUP, ARM AND TURNTABLE7270 Rea

24、ctor -Filter reactor ASSEMBLIES7458 Resistor -Flat type -410 ohms -Tapped at 3385Coil -Pickup coil 60, 130 and 250 ohms -Complete with 3386 3387 3388 Cover -Pickup cover Screw assembly- Pickup mounting screw assembly -Comprising one screw, one nut, and one washer -Package of 10 Screw -Pickup needle

25、holding screw -Pack- age of 10 7485 7512 7568 mounting rivets Socket-Radiotron 6 contact socket Reactor-RCA-237di plate reactor Transformer -Audio transformer assembly -Comprising interstage and output trans - former in metal container 3389Rod -Automatic brake trip rod with lock 7573Resistor -Filame

26、nt regulating resistor nut- Packs e of 5g 7574Shield -Filament resistor shield complete. 3390Escutcheon-Piekup arm escutcheon com- plete with mounting rivets MOTOR ASSEMBLIES 3117Armature -Pickup armature 3486Motor mounting assembly -ComprisingI 31 18Cushions -Pickup rubber cushions -Corn- prising o

27、ne damp,r. two spacer cushions washer, 4 spacers, 4 screws, 4 lock washers and 4 nuts and one damper luiIting-Pkg. of 5 sets. 31.87Governor assembly - Comprising friction 3419Screw -Pickup covermountingscrew- Package of 10 disc, two springs, two balls -Assembled and mounted 6335Pickup - Pickup unit

28、complete 31118Pin -Governor (speed) regulating pin 6346Back -Pickup housing back 3481Indicator pointer -Speed indicator pointer 7084Cover -Suede cover for turntable completewithmountingscrewsand 7530 Arm -Pickup arm complete -Less escutch- washers eon, pickup, pickup mounting screw, nut 087Spindle -

29、Turntable spindle with fibre gear and washer6388RotorRotor and shaft 8968Turntable complete8970Motor -D. C. 110 volt motor complete AMPLIFIER ASSEMBLIES 2882Socket-Radiotron 5 contact socket REPRODUCER ASSEMBLIES 3045Resistor - 40,000 ohms - Carbon type - 1 watt -Package of 5 3483Bolt -Reproducer mo

30、unting bolt assembly -s - Comprising 2 hook bolts, 2 washers, 2 lock 3085Capacitor -400 mmfd.-Located on resistor washers and 2 nuts board 6382Transformer -Input transformer 3099Capacitor -0.005 mfd.-Located on resi,tor 8916Cone -Reproducer cone -Package of 5 board 9424Coil assembly -Comprising fiel

31、d coil, magnet 3295Resistor -11.0,000 ohms -Carbon type-% watt -Package of 5 and cone support 3476Cable -Shieldedtwoconductorcable- Approximately 131/2 long MISCELLANEOUS PARTS 34711Resistor -254 ohms -Porcelain type -Tap- ped at 12.5, 12.5, 12.5 and 216.5 ohms 3118Resistor -100,000 ohms -Carbon typ

32、e-% watt -Package of 5 3480Capacitor -0.1 mfd. 3184Switch -Power or motor switch -Double 3481Coil -Choke coil -Located on resistor board. pole, single throw -Toggle type. 3482Capacitor -0.003 mfd.-Located on resistor 6288Knob -Volume control knob -Package of 5. board 6384Volume control complete with mounting 6383Capacitor pack -Comprising two 10.0 mfd. and washer and nut one 0.5 mfd. capacitors in metal container7051Cord -Power cord