Westinghouse-Electric-Corp-H-305C8 电路原理图.pdf

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1、MANUAL OF 19S0 MOST-OFTEN-NEEDED RADIO DIAGRAMS lAJeslincj.k ouie Electric (Corporation MODELS H-305C8 AND H-306C8 (MAHOGANY) (BLONDE) Chassis V-2137-4 Alignment on page 178. 收音机爱 好者资料库 RadioFans.CN MANUAL OF 19S0 MOST-OFTEN-NEEDED RADIO DIAGRAMS Westinghouse DAnin C7 tci ruicmki RADIO TELEVISION MO

2、DELS H-305C8 AND H-306C8 (Continued) See page 177 for schematic. n AM OSC FM ANT 2 !1P I- F i ST |.F TRANS. TRANS. ( 6 Same as step 4 10.7 me. maximum capacity Pri. of ratio det. trans. and pri. and sec. of 10.7 me. 1st and 2nd I-F trans. for max. NOl E: The pri. of the ratio det. trans. peaks in tw

3、o places. Use the peak with the slug farthest out. 7 1 Reconnect the V. T. V. M. between points “X” and “Y”, and increase the sienal streneth 10 timps 8 Same as step 4 10.7 me. maximum capacity Recheck sec. of ratio det. trans. for zero voltage 9 | Reconnect the V. T. V. M. between point “Z” and gro

4、und. 10 Same as step 4 10.7 me. maximum capacity Pri. of ratio det. trans. for maximum voltage 11 Remove the two 100,000 ohm resistors that were inserted in step 2. 12 FM ant. terminal through a 300 ohm non-inductive resistor 105 me. 105 me. FM osc. trimmer (C45) for maximum output 13 Same as step 12 105 me. 105 me. FM ant. trimmer (C47) for maximum outout 178 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN