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Содержание 5X-117

Страница 1: ...OPERATING AND SERVICE INSTRUCTIONS FOR COMMUNICATION RECEIVER MODEL 5X 117...

Страница 2: ...fective This warranty does not extend to allY of Ollr radio products which have been subjected to misuse neglect accident illcorrect wiring IIOt our own improper installation or to use in violation of...

Страница 3: ...smitter type VFO Backlash free combination pinch and g ear drive Crystal controlled first and third conversion oscillators Less than 1 2 microvolt sensitivity on SSB CWo Excellent spurious and image r...

Страница 4: ...Antenna Input Impedance High Frequency 6 5 MC to 6 0 MC Variable 1650 KC and 50 75 KC AM CW and Single Sideband SSB Less than 1 microvolt for 10 DB signal to noise ratio 30 modulation Less than 1 2 mi...

Страница 5: ...CILLATOR BFO L ________ 1 6DC6 RF Amplifier Figure 2 Block Diagram of the Receiver TUBES AND FUNCTIONS FIRST AUDIO AMPLIFIER AUDIO OUTPUT 092 015642 6EA8 Third Mixer SSB Switching Crystal Oscillator 6...

Страница 6: ...uses an input circuit de signed for an unbalanced 50 ohm to 70 ohm input Any of the popular dipole or beam antennas using 50 ohm to 70 ohm coaxial transmission line will suffice It should be remember...

Страница 7: ...wired so that the 3 2 ohm speaker output is automatically disabled when the headphones are inserted The headphone impedance is not critical and any headphones ranging in impedance from 50 ohms to 200...

Страница 8: ...fully advanced to 10 AVC is automatically controlled by the RF GAIN control so that it is not necessary to dis able the AVC circuitry for any mode of reception 4 2 BAND SElECTOR CONTROL The BAND SELEC...

Страница 9: ...for typical IF selectivity curves The recommended positions for the various modes of operation are as follows CW 0 5 KC or 2 5 KC SSB 2 5 KC AM 2 5 KC or 5 0 KC 4 6 FUNCTION SWITCH The FUNCTION switch...

Страница 10: ...n three new lower frequencies S 4NC TRAP INCOMING SIGNAL NOTE LSB LOWER SIDEBAND USB UPPER SIDEBAND NOT TO SCALE ILLUSTRATION ONLY OUTPUT OF IST MIXER are produced the carrier frequency at 50 KC the l...

Страница 11: ...LSB position The control should always be at this point 4 9 TUNING CONTROL The TUNING control is used to vary the fre quency of the VFO to allow reception of the de sired signal It also rotates the d...

Страница 12: ...sive in these sockets see paragraph 5 7 SECTION V OPERATION 5 1 SINGLE SIDEBAND RECEPTION Set the front panel controls as outlined below RF GAIN Usually at 10 maybe reduced as noise and QRM dictate NO...

Страница 13: ...e of the Model SX 117 receiver operating in an exalted carrier mode i e the transmitted car rier is positioned out of the receiver s IF pass band along with one sideband producing a sup pressed carrie...

Страница 14: ...17 5 MC CR 18 U 11 5 MC to 12 MC 18 0 MC CR 18 U 12 MC to 12 5 MC 18 5 MC CR 18 U 5 7 GENERAL COVERAGE OPERATION The Model SX 117 Receiver may be used on most frequencies from 85 KC to 30 0 MC by ins...

Страница 15: ...21 19 5 MC to 20 MC 26 0 MC CR 23 U 3 or 4 7 1 2 Red 21 20 MC to 20 5 MC 26 5 MC CR 23 U 3 or 4 8 Black 21 20 5 MC to 21 MC 27 0 MC CR 23 U 3 or 4 8 Red 21 21 MC to 21 5 MC Normal Black 21 21 5 MC to...

Страница 16: ...age chart paragraph 5 7 The VFO dial should be set at approx imately 375 Slight frequency warping may be achieved by moving the dial slightly from this point Example 1 The desired signal frequency is...

Страница 17: ...Ii VI3 r Q 6EAS VI VI AUXILIARY VI OSC TUBE NOTE NOT SUPPLIED L10B VI V2 LIIB L13B L12B L7 L2 L6 L5 L10A 6DC6 6EAS TIO Ll4 LilA L13A L12A CII7 CI5E F 501 R21 METER ZERO R55 NOTCH DEPTH T6 V9 6BA6 T5...

Страница 18: ...Adjust top and bottom cores of T3 and T4 for maximum receiver output 3 High side directly 6 050 MC 400 80 Meters Output meter 5 0 KC to Pin 2 of V2 cycles 30 across appro mod priate speaker output te...

Страница 19: ...o 3 0 MC b Set receiver TUNING dial to O c Set BAND SELECTOR to 3 5 d Set PRESELECTOR to 0 Maximum capacity e Set XTAL SELECTOR to 1 f Connect generator to antenna input Adjust L5 antenna coil and L6...

Страница 20: ...XV4 XV5 R55 NOTCH DEPTH L22 BFO IQ c XVI3 VFO COIL LI6 T3 1650 KC IF 0 XVI2 0 3 XVIO SIC 00 I 0 XV3 XVII S5 10 SID S4A SIB XV8 r Q C3C S4B C3A XV9 LlA B SIA XVI XV2 XV CI07 T4 1650 KC IF 6 4MC TRAP 09...

Страница 21: ...uency error is less than 3000 CPS the calibration is within acceptable limits If the error is in excess of 3000 CPS at any of the mid points with the end limits at zero error the VFO capacitor should...

Страница 22: ...t FUNCTION to USB SELECTIVITY to 2 5 KC and tune in an unmodulated Signal strength approximately S9 to zero beat c Tune NOTCH control for minimum audio output d Adjust notch depth on top of chassis ri...

Страница 23: ...was purchased The Hallicrafters Company maintains an extensive system of Authorized Service Centers where any required service will be performed promptly and efficiently at no charge if this equipmen...

Страница 24: ...145 IF AMPLIFIER 6 MC TO 6 5MC V4 68A6 VI3 I I I I I I i D V IOO KC CRYSTAL CALIBRATOR SOCKET J3 AMATEUR BAND CRYSTAL OSCILLATOR L WWV 0 3 o V3 12AT7 ALL OTHERS 168 1 3 FIRST MIXER CATHODE FOLLOWER V...

Страница 25: ...ATEUR BAND CRYSTAL OSCILLATOR V3 12AT7 FIRST MIXER CATHODE FOLLOWER V2 SEAS INF o 0 180 2 MEG VI3 J3 RF AMPLIFIER VI 6DC6 I I I I I I I I I I I I I 5aOK 47 K VFO CATHODE FOLLOWER VS SEAS D V4 D L ____...

Страница 26: ...ING ANTENNA A five position switch is provided to select the following ranges OFF 85 KC to 200 KC 200 KC to 500 KC 500 KC to 1200 KC 1200 KC to 3 0 MC L J CHANGEOVER RELAY COAXIAL CABLE I LI HA IO ANT...

Страница 27: ...7 BAND SELEC TOR switch to LF d Set the Model HA 10 RANGE switch to desired range e Peak the Model HA 10 TUNING con trol for maximum signal output Detune on ex tremely strong signals SX 117 Heterodyni...

Страница 28: ...9 Figure 18 Internal View of the IF MF Tuner L202 500 1200KC f 5201 FRONT SWITCH CCW SHOWN IN OFF POSITION L 203 200 500K C f L 204 8 5 200KC S 201 REAR J202 TO SXI17 ANTENNA INPUT VIEWED FROM FRONT J...

Страница 29: ...MODEL HA 10 Assembly LF MF Tuner Model HA 10 Cabinet Bottom Cabinet Cover Cable and Plug Assembly Capacitor 4700 J 1 J 1 F 10 500V Ceramic Disc Capacitor Variable TUNING Clamp Cable Coil RF 1200 KC to...

Страница 30: ...NOTES...

Страница 31: ...7 UUF C 3 9 LI7 TL_ 0_ 0_ _ lTo02 1200 R26 R27 270 270 VSB L2S 112 6EAS 0 7 C60 S S B CRYSTAL MH 1 0 02 I C34 g i6K R33 C38 i JDF C 0 CI5F CI5E 0402 F RiC l 150 IK 2 3 14 2 N750 UUF TRIM MH UUF L ____...

Страница 32: ...N TUBES AND DIODE q Oscillator Output C34 1501111 F 5 300V Plastic 481 162151 RI8 30 38 1 megohm 451 252105 J5 Connector VFO Output 036 100041 Mica 42 56 63 J6 Connector PHONES 036 100002 C35 36 52 O...

Страница 33: ...094 903123C 1168 Printed in U S A...

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