Heathkit RA-1 - Valve Voltage Chart; Receiver Block Diagram

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VALVE VOLTAGE CHART
| ECH8i | V2 | 7Ov - | l.iv | 6. 3y* | - | l40v | a, 135y -
| EF 183 | V3 | 1. 8y : | Z | 2 | 6, 3v* ge 1356.4 70v ;
| ECF 82 | v4 | 20v; |] - | 90v | 6. 3v* | : | 125v | l.av : :
| EBS] — | V5 | 60v 58v | Aayi | - | Ov - 6lv - -
ECL&6 v6 & ly 2? 304 & | 3yytk 300. Tv - 11854
| EZ8l | VI | aa 2 | 300v | 6.3% : | 3 275y% : -
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Measurement pin 1 of V4 with BFO ON, vs PARE og PE SSL
Measurement taken for DC voltages with meter weasiabity of 20, 0008 per volt.
HT MEASUREMENTS AT POINTS INDICATED IN CIRCUIT DIAGRAM
HTi - 300 voit, HT2 - 235 voli, HT3 - 150 volt, HT4 - 220 voli, HTS - 156 voit
V1 V2A V3 V4A DI V5 V6A
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TRIODE TRIODE PENTODE
OSCILLATOR BFO STABILIZER RECTIFIER AUDIO | { 1
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