Hallicrafters-Inc-5R14 电路原理图.pdf

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1、MANUAL OF 19S1 MOST-OFTEN-NEEDED RADIO DIAGRAMS CORONADO RADIO MODELS 05RA33-43-8I36A, 05RA33-43-8I37A HALLICRAFTER RADIO MODELS 5RI I, 5R12, 5RI3, 5RI4 ALIGNMENT PROCEDURE The alignment should bs mads with volums control fully on, and tha output from the signal gsnsrator as low as possible, to prev

2、ent AVC action from interfering with proper alignment. With the output meter connected across the voice coil of the speaker, the output meter reading for 50 milliwatts is 0.4 volts, using a signal which is modulated 400 c.p.s. Adjust all trimmers for maximum output. Repeat the alignment procedure gi

3、ven below as a final check. CAUTION: This is an AC/DC receiver, and when aligning the set it is necessary to isolate the signal generator or the receiver from the line by use of a transformer, or to place a .2 MFD condenser in each test lead of the signal generator. SIGNAL GENERATOR POSITION ADJUST

4、FOR Dummy OF MAXIMUM Frequency Antanna Connaction to Radio VARIABLE OUTPUT 455 KC .1 MFD I2BE6 Grid Stator VCA Fully Open Tl & T2 1625 KC I2BE6 Grid Stator VCA Fully Open VCB Oscillator 1400 KC .1 MFD Loosaly Couolad to Loop Tune in Signal Generator VCA Antenna Connect low side of signal ganarator t

5、o common nagativa. OSC COIL LO I2BE6 I2BA6 DESCRIPTION VALUE RATING SYMBOL VCA-VCB Condansar, 2 gang Cl Condansar, papar .05 MFD 200 volts C2 Condansar, papar .1 MFD 200 volts C3 Condansar, papar .02 MFD 600 volts C4-C6-C7 Condansar, papar .005 MFD 600 volts C5 Condansar, mica 250 MMFD 500 volts CB

6、Condansar, alectrolytic 20 MFD 150 volts C9 Condansar, elactrolytic 40 MFD 150 volts CIO Condansar, papar .05 MFD 400 volts Rl Rasistor 22K ohm x/l watt R2 Rasistor 390 ohm 1/2 watt R3 Rasistor 1 megohm 1/2 watt R4 Rasictor 10 megohm 1/2 watt R5-R9 Rasistor 470K ohm /2 watt R6 Rasistor 120 ohm Y2 watt R7 Rasistor I0K ohm 1 watt R8 Rasistor 1000 ohm watt El Dioda filtar unit 2X100 MMFD-47K ohm VR Voluma control 1 magohm I2AT6 OR I2AV6 50B5 /dix 1 1 vdS 1 | ct Ufeoofn A v /-r vT - Tl r* jLi_|-4-L.1 HI-T-fr II H pvwv4 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN