Westinghouse-Electric-Corp-H-398T5 电路原理图.pdf

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1、MANUAL OF 19S4 MOST-OFTEN-NEEDED RADIO DIAGRAMS Westinghouse CHASSIS V-2184-2 MODELS H-397T5 AND H-398T5 r.* I Jf. 161 1 I 2 g I l*l ,41 I2AV6 OCT. 8 ISI AUDIO Js.T mmfX Sok 050 PpS&.l 1 APPROX.| f -T MOTES: C 1. ALL VOLTAGES MEASURED PROM COMMON NEGATIVE USING A 20,000 OHM/VOLT METER. * LINE VOLTAG

2、E SET AT 117 V.A.C. READINGS SHOULO BE AS SHOWN t 20%. 2. ALL CAPACITANCE VALUES IN MFD. AMO ALL RESISTANCE VALUES IN OHMS UNLESS OTHERWISE SPECIFIED. CLOCK CONTROLLED OUTEET ,_CLOCK_ _MECHAHl$M_ DIAL STRINGING The contact pins and shields of the tube sockets are replaceable. To replace a contact pi

3、n, simply push the pin out through the top of the socket and insert a new pin. To replace a center shield, push it out through the bottom, and insert a new shield. 234 86 7 CONTROL CONTROL CONTROL OONTW * A* SLOT (SEE TEXT) /fe8E$ | rij /128A6 tjT OONVERTERj 0 j If ) TIMER TIME SET OUTLET OONTROL AL

4、IGNMENT It is recommended that the chassis be isolated from the power line by means of an isolation transformer. While making the following adjustments, keep the volume control set for maximum output and the signal generator output atteauated to avoid AVC action. Connect Signal Generator to Generato

5、r Freeuen cv Radio Dial Adjust for Maximum Output Stator of ant. tuning capacitor (A) through a 200 mmf capacitor 455 kc. Minimum capacity Bottom and top slugs of T2 and T1 in order given* Same as step 1 1625 kc. Minimum capacity Oscillator trimmer (D) Radiated signal 1400 kc. 1400 kc. Antenna trimmer (B) *lt is recommended that a fiber aligning 100I that snugly fits the slot in the powdered iron core be used to prevent chipping of the slot. 149 收音机爱 好者资料库 RadioFans.CN