background image

Summary of Contents for S-40 B

Page 1: ...installation and operating instructions for model S 40 B radio receiver 94X586 750 the hallicrafters co MANUFACTURERS OF RADIO AND ELECTRONIC EQUIPMENT CHICAGO 21 U S A...

Page 2: ...Figure 1 Radio Receiver Model S 40B BU front view...

Page 3: ...ES SHOWN ARE NOMINAL is VARIATIONS MAY BE FOUND IT IS RECOMMENDED THAT THE VALUE OF ANY REPLACEMENT CORRESPOND TO THE NOMINAL VALUE OF THE PART BEING REPLACED V2 6SA7 pi4 0 0 U 7 0 Xi r 014 X V3 6SK7...

Page 4: ......

Page 5: ...BE FOUND IT IS RECOMMENDED THAT THE VALUE OF ANY REPLACEMENT CORRESPOND TO THE NOMINAL VALUE OF THE PART BEING REPLACED riioi4 P4 C ro I V 2 3 6SA7 65K7 Re 10 000 t 0 I1 1 7c1 R64 330 m 1 28 01 100 30...

Page 6: ......

Page 7: ...SHEET FOR S 40B After printing this manual a circuit improvement was made by adding Resistor R 68 to the Oscillator Circuit as illustrated below 26 z T7 IMO MO Tg R30 25 10 24 D t 017 01 1E 9281408 9...

Page 8: ......

Page 9: ...CHASS IS STAMP SI ANDSY RECEIVE SWITCH SAND TUNING VOLUME A V C CW AM NOISE BANDSPREPD TONE PITCH SELECTOR CONTROL CONTROL SWITCH SWITCH LIMITER TUNING CONTROL CONTROL SWITCH 92 1840 sockets may then...

Page 10: ...tch set at CW remove the pitch control knob and adjust Si for zero beat Replace the knobwith the dot in the cent er position 3 Std RMA Al on antenna strip dummy Jumper connected be tween A2 and G 4 St...

Page 11: ...NS MAY BE FOUND IT IS RECOMMENDED THAT THE VALUE OF ANY REPLACEMENT CORRESPOND TO THE NOMINAL VALUE OF THE PART BEING REPLACED 25 32 27 R8 0 W Nr 10000 E I i IC IS L _ _ J 100 000 4 R SI3 REPRESENTS T...

Page 12: ...1 111 o o o 6K6 GT 92 Bete 1 10 7 view Icration Qf tubes and flal lamps...

Page 13: ...O 0 0 o o eh S9 SLY 050C O o o o o So S13 0 0 0 o o o oo O 0 o O o o o A o o D 0 0 0 0 0 A O 0 0 S14 H G ANT MIXER PITCH CONTROL KNOB 11 tfnM iPb allesnment Doints 92 DI133 Fie 4 Ton view component l...

Page 14: ...33 CI R31 Rd C12 SI AB C10 C2 Cd C3 RI Cg R5 Ti 1 4 R65 1 2 T3 C53 J1 R62 C54 S6 C4 T15 R61 1 2 6 I ty RI5 R59 I I I C16 T7 C23 42 R25 S 4 AB C59 R14 53 RI2 R58 C32 S5 Rg C28 R64 52 R21 R20 R7 C17 C18...

Page 15: ...0B271K 46AY203J 46A104 47X20B471J 46AC1031 47X25B102M 46AT254J 47A160 4 45A121 23X20X105M 23X20X121K 25B590 23X20X220M 23X30X393K 23X30X682K 23X20X183K 23X40X103K 23X20X471K 23X65CE123K 23X20X102K 23X...

Page 16: ...5 LINE VOLTAGE Y AG ALL VOLTAGES ARE GO UNLESS CIRERA SE SKI FI D 5 oc VOLTAGES SHOWN A A7 MEASURED WITH AR LECTRONIC VOLTMETER 6 NC NO CONNECTION OJAGE SHOWN FOR THIS TERMINAL ONLY WHEN TERMINAL IS...

Page 17: ...cle source and requires 75 watts of power for operation A switch is located on top of the transformer for adjusting the transformer to the proper voltage source Connection to the power source is made...

Page 18: ...switch at the AM position The beat frequency oscillator stage operates in the CW position of the AM CW switch and provides an r fsignal at 455 kc kilocycles which is fed to the detector stage to beat...

Page 19: ...f antenna works well where the signal to noise ratio is relatively high and a more elaborate installation is not practical Refer to Fig 3 B Doublet Antenna This type of antenna is recommended where th...

Page 20: ...liar with radio terminology as an aid in setting the controls most used for the reception of standard broadcast stations Reference to Figure 6 will help the listener in becoming familiar with the use...

Page 21: ...udio frequencies providing good response for high audio frequency response 10 PITCH control This control is used to vary the pitch of the code signal when listening to amateur or commercial code stati...

Page 22: ...ning conditions Set at CW for code stations otherwise at At Set at ON if static or noise is excessive otherwise at OFF Set to desired level Set at OFF when lis tening to code sta tions otherwise set a...

Page 23: ...D SPREAD control IMPORTANT The calibrations on the main tuning dial scale are only correct when the BAND SPREAD dial pointer is set at 0 OWNER S MAINTENANCE PREVENTIVE MAINTENANCE Keep the various par...

Page 24: ...above the glass stem inside the envelope of the lamp PERIODIC ADJUSTMENTS This receiver has been carefully aligned at the factory and should not require realignment until it needs new tubes in the r...

Page 25: ...1...

Page 26: ...fective 0 This warranty does not extend to any of our radio products which have 0 0 been subjected to misuse neglect accident incorrect wiring not our own 0 improper installation or to use in violatio...

Reviews: