Westinghouse-Electric-Corp-H-300T5 电路原理图.pdf

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1、MANUAL OF 19S0 MOST-OFTEN-NEEDED RADIO DIAGRAMS W.stinfLus. aeMc H-300T5 AND H-301T5 CHASSIS NO. V-2148 ALIGNMENT It is recommended that the chassis be isolated from the power line by means of an isolation frsnsformer. Make certain that the dial pointer is c or re c t / y pos i t i one d w, t h resp

2、ect to the dial scale. While making the following adjustments, keep the volume control set for maximum output and the signal generator output attenuated to avoid AVC action. Connect Signal Generator to Stator of R-F tuning ca pacitor (C13) through a 200 mmf capacitor Signal Generator Radio Frequency

3、 Dial 455 kc. minimum capacity 1615 kc. minimum capacity 1400 kc. 1400 kc Top and bottom slugs in 2nd and 1st I-F trans. in order given * 2. Same as step 1 1615 kc. minimum Use. trimmer vv-ioj capacity _ i. Radiated Signal 1400 kc. 1400 kc. R-F trimmer (C15) . ft is recommended that a fiber aligning

4、 too/ that snugly fits the slot in the powdered iron core be used to prevent chipping of the slot. DIAL DRIVE /loCS /feAJ6 ZW IF /|2BA6 (output) (%,?) T1L U If) CONVERTER 88 V. I ST I F 1 TRANS. Bp i 5 ET I 2 ATS OET.-I SI AUDIO _85V. . . if TRANS. U1J d a e i cisl ci9 I C: c i4 cis in? 1 a.c, , NOTE POWER , I . ALL VOLTAGES MEASURED FROM COMMON NEGATIVE PLU0 USING A 20,000 OHM/VOLT METER. LINE VOLTAGE SET AT 117 V.A.C. VOLTAGES SH0UL0 BE AS SHOWN t 20 PER CENT. I2AT8 I2BE6 I2BA6 SOCS 17S 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