RCA-Victor-Co-Inc-225 电路原理图.pdf

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1、PAGE4-A MODELS 2-19 ANT COIL OSC. SERIES t 4.5V.6.3Y. ISV. 2410ET. 4 345V. 345V. (Measured at 115 -volt A.C. Supply- -Maximum Volume Control-No Signal) *CANNOTBE MEASURED WITH ORDINARY VOLTMETER -Trimmer Locations and kadiotron Socket Voltages to Ground REPLACEMENT PARTS Insist ongenuine factory tes

2、ted parts, whichare eadily identified and may bepurchased from authorized dealers Stock No. DESCRIPTION ListStock No. 4841 RECEIVER ASSEMBLIES 4885 4880Bracket - Tone controlswitch mounting bracket3597 4427Bracket-Volume control mounting bracket 3796 4358Bracket-Electrolytic capacitor bracket for ca

3、- 7790 pacitor No. 7790 5101 4693Bracket-Electrolytic capacitor bracket for ca- pacitor No. 5101 5087 3861 Capacitor-Adjustable trimmer capacitor (C8). 5089 5094Capacitor -50 mmfd. (C5) 4504 3981Capacitor -300 mmfd. (C27) 5104 4811Capacitor -340 mmfd. (C9) 4210Capacitor -600 mmfd. (C28) 5106 5115Cap

4、acitor -1350 mmfd. (C31) 4439Capacitor -3400 mmfd. (C12) 5112 4881Capacitor -3400 mmfd. (C13, C26) 4812 5107Capacitor -0.0025 mfd. (C38) 4793Capacitor -0.005 mfd. (C29) 5113 4868Capacitor -0.005 mfd. (C35) 5109 4906Capacitor -0.017 mfd. (C34) 4883Capacitor -0.01 mfd. (C39) 5114 4836Capacitor -0.05 m

5、fd. (C4, C18, C24) 4886 Capacitor -0.05 mfd. (C22) 3602 DESCNEPTION List Capacitor -0.1 mfd. (C7, C19, C25, C33) Capacitor -0.1 mid. (C16) Capacitor -0.25 mfd. (C32) Capacitor -4.0 mfd. (C30) Capacitor -10.0 mfd. (C36) Capacitor pack-Comprising two 8. mfd. and one 4. mfd. sections (C14, C23, C37). .

6、 Coil-Antenna coil (L1, L2, L3, L4, C1, C2) Coil-Oscillator coil (L5, L6, L7, L8, C10, C11) Condenser -2 -gang tuning condenser (C3, C6) Lead - Shielded - Single conductor - From range switch to antenna terminal board. Lead-Shielded-2-conductor-From volume control to third I.F transformer and resist

7、or board Resistor -1000 ohmsCarbon type-Y, watt (R2, R10)-Package of 5 Resistor -2600 ohms-Carbon type-g watt (R4, R6, R9)-Package of 5 Resistor -3900 ohms-Carbon type-/ watt (R8)-Package of 5 Resistor -12,000 ohms-Carbon type-g watt (R15)-Package of 5 Resistor - 15,000 ohms - Carbon type -1 watt (R

8、5) Resistor -60,000 ohms-Carbon type -3,4 watt (R3, R19, R20)-Package of -5 PAGE 4 37 - REPLACEMENT PARTS (Continued) Insist on genuine Factory tested parts, which are readily identified and may be purchased From authorized dealers 1258 225 Stock No. DESCRIPTION ListStock No. DESCRIPTION List 4363In

9、dicator-Station selector (pointer) indicator 3118Resistor -100,000 ohms-Carbon type- 4 Console model watt (R1, R7)-Package of 5 4340.Lamp-Dial lamp-Package of 5 5027Resistor -150,000 ohms-Carbon type- watt (R17)-Package of 5 3943Screen-Translucent screen for dial light-Pack age of 2 5108Resistor -33

10、0,000 ohms-Carbon type -34 watt (R25)-Package of 5 3529Socket-Dial lamp socket REPRODUCER ASSEMBLIES 5110Resistor -680,000 ohms-Carbon type-s watt (R18)-Package of 5 4915 TABLE MODEL Cable -3 -conductor reproducer cable 4783Resistor -1,100,000 ohmsCarbon type- r4 watt (R11)-Package of 5 9587Coil-Fie

11、ld coil, magnet and cone support (L16) 6242Resistor -2 megohms-Carbon type- Y4 watt 9588Cone-Reproducer cone (L15)-Package of 5 (R12, R16)-Package of 5 5118Plug -3 -contact plug-Male section for re- 4721Resistor-Tapped-70ne 500, one 10,000 and producer cable two 5000 ohm sections (R21, R22, R23, R24

12、) 5119Plug -3 -contact plug-Female section for re- producer 4521Shield-Antenna, I.F. or oscillator coil shield. 9586Reproducer-Complete 4893Transformer-Output transformer (T2). . . 3942Shield-First detector and output Radiotron shield REPRODUCER ASSEMBLIES 3782Shield-Second detector Radiotron shield

13、 . CONSOLE MODEL 7487Shield-I.F. Radiotron shield 4915Cable -3 -conductor .eproducer cable 9590Coil-Field coil, magnet and cone support 4784Socket -4 -contact Radiotron socket(L16) 4785Socket -6 -contact Radiotron socket 8935Cone-Reproducer cone (L15)-Package of 5 4786Socket -6 -contact Radiotron so

14、cket 5118Plug -3 -contact plug-Male section for re- producer cable 4787Socket -7 -contact Radiotron socket 5119Plug -3 -contact plug-Female section for re- 4379Strip - Terminal strip - Engraved ANT- producer cable GND 9589Reproducer-Complete 5100Switch-Range switch (S2, S3, S4, S5, S7). . 4892 Trans

15、former-Output transformer (T2) 5052Switch-Tone control switch (S6) 9512Transformer -Power transformer -105-125 volts -25-40 cycles MISCELLANEOUS ASSEMBLIES 6755Bezel-Station selector dial escutcheon bezel 9513Transformer-Power transformer -105-125/-Table model 210-240 volts -40-60 cycles 6840Bezel-S

16、tation selector dial escutcheon bezel 9511Transformer-Power transformer -105-125 volts -50-60 cycles (T1) -Console model 6707Glass-Stationselectordialglass-Table 5102Transformer-Firstintermediatefrequency transformer (L9, L10, C15, C17) model 6614Glass-Station selector dial glass-Console 5103Transfo

17、rmer-Second intermediate frequency transformer (L11, L12, C20, C21) model 4449Knob-Station selector, volume control, band 5105Transformer-Third intermediate frequency transformer (L13, L14, R13) switch or tone control knob-Package of 5. 6708 Ring-Spring retaining ring for dial glass- 4429Volume cont

18、rol (R14, Si)Table model-Package of 5 6615Ring-Spring retaining ring for dial glass- CONDENSER DRIVEConsole model-Package of 5 ASSEMBLIES 4446Screw-Chassis mounting assembly-Com- 4450Dial-Station selector dial-Console model .prising four screws, four spacers, eight cush- ions, four washers and four

19、lockwashers- 4474Dial-Station selector dial-Table model. For table model 4434Drive-Tuning condenser drive assembly- Complete 5184Screw-Chassis mounting assembly-Com- prising one screw, one spacer, two cushions, 4475Indicator-Station selector (pointer) indicator -Table model one washer and one lockwasher-Package of 4-For console model