RCA-Victor-Co-Inc-R-92 电路原理图.pdf

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1、PAGE 383-B MODEL R-92 285v., G OVTPuG 5.0v. 0 IRECT. 0 100vr 3.8 I CG) -3.0V. Voltage Readings at Radiotron Sockets STORE RECORDER ELECTRICAL SPECIFICATIONS Voltage Rating 115 Volts Frequency Rating 60 Cycles Power Consumption 95 Watts Type and Number of Radiotrons2 RCA -56, 1 RCA -53, 1 RCA-80-Tota

2、l 4 Type of Microphone Two -Button, Carbon Type Microphone Impedance - 200 Ohms Each Button (Average) Pickup Impedance 7 Ohms at 1000 Cycles Turntable Speed 33X R.P.M. and 78 R.P.M. Tz /. i Au0.0 36 C30 RIVE P ale 56 /00K . R5 EZ er. 24. it( -2 CI 2t9 V. 1301 sad,c4 wi_rj.kirn St 1TI O a a a it RECT

3、. T3 OUTPUT a.3 C3 0000 2.3V RN 1000st 13 I. -Schematic Circuit Diagram 0 R4R12 20.000.,300 26000, 400s. R7 0-1/AwNs4,0 50.000. 51100.0. RI SOMAc, 0/ACK 50C2 BLACKI MrDBLOT RESISTOR BOARD CONNECTIONS K 2000. R5 100000n. RED - GREEN T2 INPUTTRA NS P .5.121.0 EXT. ROHN SHIELD EXT. 6530. INTERNAL CONNE

4、CTIONS OF -INPUT TRANSFORMER 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 384-B R92 MDmow- VELM- 5111WII- ummaum- umm- mot NUMMI- MO INTERNAL C NNECTIONS OF POWER TRANSFORMER 413 IHAVEILOW- INTERNAL CONNECTIONS -nuow OF DRIVER TRANSFORMER RE

5、PLACEMENT PARTS -MD -REDA R70. no INTERNAL CONNECTIONS OF OUTPUT TRANSFORMER 0 Insist on genuine factory tested parts, whichare readily identified and may be purchased from authorized dealers Stock No. DESCRIPTION ListStock No. AMPLIFIER ASSEMBLIES 3385 3787 Capacitor -0.01 mfd. (C.5) 4383 6648 Capa

6、citor -0.25 mfd. (C3) 3836 3772 Capacitor -0.5 mfd. (C2) 4497 4498 Capacitor -8.0 mfd. (C7) 4384 7590 Capacitor -10.0 mfd. (C6) 3387 6824 Capacitor pack-Comprising two 5.0 mfd. (C1, C4) 6552 Reactor-Filter reactor (L1) 3388 3114 Resistor -50,000 ohms-Carbon type- 4 watt (R8, R9, R10)-Package of 5 34

7、19 4396 Resistor -500 ohms-Carbon type- watt (R12)-Package of 10 3047 3526 6303 Resistor - 1500 ohms - Carbontype - 3/2 watt (R2)-Package of 5 Resistor - 2000 ohms - Carbon type- watt (R6)-Package of 5 Resistor -20,000 ohms-Carbon type -3,4 3346 3344 watt (R3, R4)-Package of 5 4394 3594Resistor -50,

8、000 ohms-Carbon type-)4 3341 watt (R7)-Package of 5. 3338 3252.Resistor -100,000 ohms-Carbon type -3,4 watt (R5)-Package of 5 3343 4398Resistor -10,000 ohms -6.5 watts (R13) 3347 4400Resistor -8800 ohms -10.5 watts (R11). 4399Socket -4 -contact socket 7668 6300Socket -4 -contact Radiotron socket 334

9、0 7484Socket -5 -contact Radiotron socket 3719 6551 Socket -7 -contact Radiotron socket Transformer-Driver transformer (T3) 4395 6556 Transformer-Output transformer (T4) 9026Transformer-Power transformer (T1) 9510 4401Volume control (R1) MICROPHONE ASSEMBLIES 8942 8945 4403Cord-Microphone cord 3216C

10、ushions-Microphonerubber cushions- Package of 6 4500 Housing-Microphone housing 4391 4499 Mechanism-Microphone mechanism 3261 4501Microphone complete 4402 Plug-Microphone cord plug4392 RECORDING INDICATOR 4385 ASSEMBLIES 4387 4381Escutcheon-Recorder indicator escutcheon 4388 4161)_amp-Neon lamp 4164

11、Screen-Recording indicator lamp screen 4389 4382Screw-Screen escutcheon and terminal board mountingscrew assembly-Comprising two screws, two spacers, two nuts and two 4390 lockwashers 4393 PICKUP AND ARM ASSEMBLIES 4496Arm-Pickup arm complete4386 3417Armature-Pickup armature6226 3733Back-Pickup hous

12、ing back DESCRIPTION List Coil-Pickup coil Cover-Pickup cover Cover-Pickup back cover Pickup-Magnetic pickup unit complete (L2) Plate-Pickup lifter adjustment plate, spring and screw-Located in arm Screw-Pickup mounting screw assembly- Comprising one screw, one nut andone washer-Package of 10 Screw-

13、Pickup needle holding screw-Pack- age of 10 Screw-Pickup cover holding screw-Pack- age of 10 TURNTABLE ASSEMBLIES Bushing-Speed shifter lever bushing-Pack- age of 4 Cover-Grease retainer cover-Package of 2 Lever-Speed shifter lever Pin-Groov-pin-Package of 2 Ring-Clamp ring assembly-Comprising sprin

14、g, latch lever and stud Sleeve-Sleeve complete with ball race Spring-Speed shifter lever spring-Package of 2 Turntable-Complete less shift lever Washer-Thrust washer-Package of 2 MOTOR ASSEMBLIES Mounting assembly-Motor mounting as- sembly-Comprising 3 studs, 9 washers, 3 cushions Motor -105-120 vol

15、t 60 -cycle motor com- plete Rotor and shaft for motor Spindle-Turntable spindle and fibre gear for motor MISCELLANEOUS ASSEMBLIES Box-Needle box Bushing-Record drivebushing-Package of 5 Knob-Volume control knob-Package of 5 Lifter-Pickup lifter mechanism complete Screw-No. 6-32- 4 headless setscrew

16、 for pickup lifter cam-Package of 10 Screw-No. 6-32-46 headless set screw for pickup lifter cam-Package of 10 Screw-No. 6-32-K headless setscrew for pickup lifter cam-Package of 10 Screw-No. 6-32-3,i headless setscrew for pickup lifter cam-Package of.10 Screw-No. 8-32-K headless set screw for volume control knob-Package of 10 Spring-Pickup lifter spring-Package of 10 Transformer-Input transformer (T2) 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN