Crosley-Corp-74-U 电路原理图.pdf

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1、MANUAL OF 1942 MOST POPULAR SERVICE DIAGRAMS CROSLEY RADIO MODELS 52TG. 52TG-U.CHASSIS Mo. 74-74U Item No. Part No. 48858 L132109 -132099-2 -132097-5 2 -132117-2 L132131 -132119-4 51071 -132300-1 3 45738 LB132110 4 132102 23843 G26132002 5 G26632004 6 G26732004 7A -49736-1 7B 8 G63 39001 9 G65 39001

2、 10 G67 39001 11 G9 39004 12A 49664-B 12B 13 G10 39001 14 G63 39001 15 G65 39001 Description Bulb Dial Light 6.3V. Dial Light Socket Assra. Dial Face. Dial Pointer. Celluloid Dial Lens. Drive Cord Assm. Drive Shaft. Retaining RingDr. Shaft. Power Cord & Plug. Lock Plate Power Cord. Loop Assm. Antenn

3、a. SpacerLoop Mtg. (2) ScrewLoop Mtg. (2) Coil B. C. Osc. 1st I. F. Trans. 2nd I. F. Trans. 2 Gang Var. Cond. /Antenna Sec. Oscillator Sec. Cond. .022 Mfd., 200V. Cond. .05 Mfd., 200V. Cond. .1 Mfd., 200V. Cond. 200 Mmf., Mica. /Cond. 15 Mfd., 140V., Elect. Cond. 15 Mfd., 120V., Elect. Cond. .0033 M

4、fd., 160V. Cond. .022 Mfd., 200V. Cond. .05 Mfd., 200V Item No. Part No. 16 NONE * 17 NONE 18 NONE 19 50671 20 G15 39002 21 G28 39002 22 G21 39002 23 G18 39002 24 G29 39002 25 G23 39002 26 G33 39002 27 G23 39002 132138 28A 28B 49774 | Description Res. 15 Megohm K W. Res. 22,000 Ohms H W. Res. 3.3 Me

5、gohm % W. Res. 220,000 Ohms H W. Res. 68,000 Ohm M W. Res. 4.7 Megohm W. Res. 470,000 Ohm H W. Res. 150 Ohm H W. Res. 470,000 Ohm M W. BracketSpeaker Mtg. Vol. Control 1 Meg. Power Switch. 35Z5 RECTIFIER Alignment Dummy Frequency Input Connection Bend Turing Cond. TOmmer Sequence Antenna Setting to

6、Receiver Switch Setting Adjusted Remarks .0001 MF. .0001 MF. .0001 MF. 1650 KC. 1400 KC. Antenna Lead Antenna Lead Antenna Lead Fully Open 1st I-F(2) Adjuat for maximum signal. 2nd 1-F(2) Adjust for maximum signal._ Fully Open B.C.“Osc. Adjust for maximum output. Gang y _does not have to tune through signal 140 Dial B.C/Ant. Adjust for maximum output. Repeat the original alignment procedure for more accurate adjustments. Always keep signal generator output as low as possible to prevent action of the A.S.C. circuit. 收音机爱 好者资料库 RadioFans.CN