Westinghouse-Electric-Corp-WR-165 电路原理图.pdf

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1、MANUAL OF 1939 MOST POPULAR SERVICE DIAGRAMS Westinghouse Radio Model WR-165 FiveTube, SingleBand, AC-DC, Superheterodyne Receiver Alignment Procedure Output Meter Alignment.Connect the meter across the voice coil, and turn the receiver volume control to maximum. fSr OET. t (6Sq7j - T6A8 OUIEUT I_I

2、(2 p osc. coit- !J/_ C4- C3 55-KC 455 KC 1ST t-r w tF. / RECT. Cl 455 KC 455KC TestOsciltator.Connect the low side ol the test-oscillator to the receiver chassis, through a .01 mfd. capacitor, and keep the output as low as possible. The antenna should be rolled up and kept at least one foot from cha

3、ssis dnring alignment. Connect the high Time Turn Steps side of test test-osc. radio dial oscillator to to to 6A8 IstDet. grid Quiet point 1 cap, in series with 455 kc at 1,600 kc .01 mfd. end of dial Adjust the follow* ing for max. peak output Cl, C2, CS, C4 (Ist and 2nd I-F transformers) Antenna t

4、erm, of ant. trana. in series with 100 mmfd. 7rimtJier Locations FuU 1,720 kc clockwise (out of mesh) Resonance 1,600 kc on 1,500 kc signal. C5 (oscillator) C6 (antenna) INTBRMBDIATH PrBQUBNCT. 466 kC PowBR Output (126 volt, 60 cycle supply) Undistorted. 1.5 watts Maximum. 2.0 watts Loudspeaker Type

5、. 4-inch Electrodynamic Power-Supply Pedarity.For operation on d-c, the power plug must be inserted in the outlet for correct polarity. If the set does not function, reverse the plug. On a-c, reversal of the plug- may reduce hum. Resistor in Power Cord.The. power cord contains a resistor which becom

6、es warm during operation. Antenna.The set is equipped with length of antenna wire. Do not connect the antenna to ground. If an outdoor antenna is used, it should not be longer than 100 feet, including lead-in. If it is longer, connect a 100 to 200 mmf. capacitor in series with the lead-in. DET.OSC.

7、6A6 BOTTOM VltWOF tsy r1 “JBe. sockcts TRANS. niy-T jJEB V_. , 45SKC I. F, AMP. 6SK7 20CT.,A.r.,A.V.C 6SQ7 20|.F TRANS, rj BLUE 455 K C VJ _ - OUTPUT E5L6 ANT. .05 : COIL t / i / 1 -300 47,000 L_ . 30jt 30a “Hr RE0-* T - -7 , -SRtEM 1 BLAC -W Vv- 250,000 =47,000 BLACK y - 01 B 60 Hh ?2?0.000470,000 FPi ) II (g) i TUBE LOCATIONS SPEAKER field RED-SLACK TR. .05 -p 20* = 450 = MFO. .UO -j DIALLAMP 2SZ6 SL6 6SK7 6A8 6SQ7 154.0. 25o. SWITCH ON VOL. CONTROL _ .X POWER CORD * COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 收音机爱 好者资料库 RadioFans.CN