RCA-Victor-Co-Inc-5Q2X 电路原理图.pdf

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1、PAGE 56-C MODEL 5 Q 2X FREQUENCY RANGES Standard Broadcast (A) 540-1,550 kc (555.193 m) Medium Wave (B) 2.3.7.0 mc (130-42.8 m) Short Wave (C) 7.0-22.0 mc (42.8-13.6 m) INTERMEDIATE FREQUENCY 455 kc RADIOTRON COMPLEMENT (1) RCA -6K8 First Detector-Oscillator (2) RCA -6K7 I -F Amplifier (3) RCA -6Q7

2、-G. Second Detector, A.V.C., and A -F Amp. (4) RCA -25L6 -G Power Output (5) RCA -25Z6 -G Half -Wave Rectifier Alignment Pre-setting Dial.-With the gang condenser in full mesh, the dial pointer should be in line with the left-hand end of the dial scales. The pointer is soldered to the drive cable. L

3、6 (BOT TOM) LT (TOP) 455 KC- L8(BOTTOM) L9 (TOP) 455 KC PC -3250 SN- 893-0 Chassis No. RC -325-D Five -Tube, Three -Band, AC -DC, Superheterodyne Receiver C3 -ANT. C12-OSC. C14-OSC. C1I-OSC. 6000KC 6000 KC 1500 KG 20,000KC -t- I11sTDET. arm, 12714 Capacitor -Adjustable trimmer (medium) (C12, Stock N

4、o. 14380, and pulley, Stock No. 30587 C14) 14340 Shaft -Drive pulley and knob shaft -fastens on 12896 Capacitor -15 mmfd. (C15) range -switch shaft 12948 Capacitor -35 mmfd. (C5) 3882 Shield -Tube shield 14282 Capacitor -110 mmfd. (C8, C7) 12008 Shield -I -f transformer shield can 12404 Capacitor -1

5、20 mmfd. (C8, C9) 5119 Socket -3 -contact speaker cable socket 12488 Capacitor -270 mmfd. (C24) 31251 Socket -8 -contact tube socket 31954 Capacitor -450 mmfd. (C16) 31365 Socket -Dial lamp socket 30433 Capacitor -470 mmfd. (C4) 12007 Spring -Retaining spring for. core, Stock No. 30592 Capacitor -1,

6、800 mmfd. (C13) 12006 30303 Capacitor -.0035 mfd. (C20) 30585 Spring -Tension spring for pointer cord 4838 Capacitor -.005 mf d. (Cl) 30588 Spring -Tension spring for idler pulley 14393 Capacitor -.01 mfd. (C22, C23, C26) 30620 Switch -Range switch (SI, S2) 11315 Capacitor -.015 mfd. (C21, C35) 3057

7、4 Tone control and power switch (S3, R8) 4886 Capacitor -.05 mmfd. (C32) 14376 Transformer -First i -f transformer (L6, L7, 4839 Capacitor -0.1 mfd. (C10, C18, C28, C29) CO, C7) 30965 Capacitor -0.25 mfd. (C34, C27) 14308 Transformer -Second i -f transformer (L8, L9, 14377 Capacitor -16 mfd. (C31) C

8、8, C9, R4, R19) 32222 Capacitor Pack -Comprising two sections, each 32247 Tube -Ballast tube (R14, R1, R17) 15 mfd. (C17, C25) 30575 Volume Controls (R8) 14773 Capacitor -16 mfd. (covered can) (C30) 4358 Clamp -Mounting c 1 a m p for capacitor pack, SPEAKER ASSEMBLIES (RL -83F-1) Stock No. 30577 143

9、56 Board -3 -contact speaker terminal board 30621 Coil -Antenna coil (L1, L2, L3, L4) 13866 Cap -Cone center dust cap 30579 Coil -Oscillator coil (L10, Lll, L12, L13, 12012 Coil -Field coil (L17) 90573 L14,L15) Condenser -2 -gang variable tuning condenser 11489 Coil -Hum neutralizing coil (L5) (C2,

10、C3, C19) 31310 Cone -Speaker cone and dust cap (L18) 306a8 Cord -Station selector indicator pointer cord. 5118 Plug -3 -contact nfale plug for speaker 12800 Core -Adjustable core and stud for oscillator coil 32248 Speaker -Complete 12006 Core -Adjustable core and stud for i -f trans -14358 formers S

11、crew -Screw, washer, and lociwuher to hold core in yoke 31741 Dial -Station selector dial scale (glass) 14628 Transformer -Output transformer (Ti) 30581 Disc -Band indicator disc with celluloid window 14357 Washer -Spring washer to hold field coil 30572 Drive -Vernier drive shaft and pinion gear for

12、 variable condenser MISCELLANEOUS ASSEMBLIES 30584 Drum -Station -selector drive -cord drum with set screws 11823 Cord -Power cord complete with male and fe - male plugs 30583 Indicator -Station -selector indicator pointer and 31742 Escutcheon -Dial escutcheon and crystal holder assembly 31803 Knob

13、-Tone control, volume control or range 31480 Lamp -Dial lamp switch knob e 14028 Nut -Jamb nut. for adjustable capacitor, Stock 31743 Knob -Station selector knob Nos. 12807 and 12714 11979 Plug -2 -contact male for chassis power leads. 5119 Plug -3 -contact female for speaker cable 14267 Screw -Chas

14、sis mounting screw and washer as - 30587 Pulley -Drive -belt pulley for condenser shaft sembly . 14636 Pulley -Drive -belt idler pulley 12993 Screw -No. 8-32 x -inch set screw for knob, 32247 Resistor -Ballast tube (R14, R16, R17) Stock No. 31803 11585 Resistor -15 ohms, watt (R15) 11349 Spring -Retaining spring for knob, Stock No. 31215 Resistor -100 ohms, 1 watt (R18) 13907 11298 Resistor -5,800 ohms, 1 watt (R13) 4982 Spring -Retaining spring for knob, Stock No. 13714 Resistor -5,600 ohms, watt (R12) 31743 收音机爱 好者资料库 RadioFans.CN