Hallicrafters SX-100 MARK IA страница 1 Скачать руководство пользователя | Manualshive

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Содержание SX-100 MARK IA

Страница 1: ......

Страница 2: ...rong signals An antenna trimmer adjust able from the front panel permits peaking of the r f stage to compensate for loading effects of various antennas A notch filter circuit allows rejection of an ex...

Страница 3: ...3 ANTENNAS The r f input of the receiver is designed for operation form either a single wire antenna or a half wave doublet or other tuned antenna with transmission line impedances from 52 to 600 ohms...

Страница 4: ...smitting antenna are the same for receivin as for transmitting Switching of the antenna from the transmitter to the receiver may be accomplished with a double pole double throw antenna changeover rela...

Страница 5: ...match the impedance of the speaker voice coil Connect the primary of the transformer to the terminals marked 500 and G and the secondary to the speaker voice coil terminals The Hallicrafters R 46B an...

Страница 6: ...switch on the front panel must be left at STANDBY the hallierafters co MODEL SX IOO TRIMMER TUNING BAND SE LECTOR STANDBY PHONES ON CW SSB TM92C5017 Fig 7 Operating Controls SECTION 3 FUNCTION OF OPER...

Страница 7: ...he limiter diode normally acts as a conductor for the audio si gnal as long as the diode plate is positive with respect to its cathode When a noise peak is higher in amplitude than the Signal it insta...

Страница 8: ...effectiveness of this notch is many times greater than the notch of a quartz crystal filter at 400 kc t02 mc The NOTCH FREQUENCY control will move the band of suppressed frequencies represented by th...

Страница 9: ...nal at 7000 kc modulated 1 kc Since modulation of a carrier causes the generation of sideband frequencies numeri cally equal to the carrier frequency plus or minus the modulation frequency the incomin...

Страница 10: ...or the 80 40 20 15 and 11 10 meter amateur bands These five scales are calibrated to read receiver frequency directly when the main tuning dial has been set to the index dot of the desired amateur ban...

Страница 11: ...off but the heater and plate supplies remain operative for instant reception To resume reception simply return the switch to the RECEIVE position 10 An undesired Signal close in frequency to a desire...

Страница 12: ...tion 4 3 SINGLE SIDEBAND RECEPTION Single Sideband signals are transmitted with little or no carrier and it is necessary to reinsert the carrier in the receiver before proper reception is obtained In...

Страница 13: ...bove S 9 to 80 db The indications on the s meter will be correct only when the SENSITIVITY control is set at 10 maximum sensitivity and the AVC switch is set at ON The limitations of the microvolt sca...

Страница 14: ...Then tune the receiver for a minimum reading on the S meter between the two peaks Adjust R75 located on the side of the notch filter chaSSiS for a minimum reading on the S meter Refer to Fig 11 for t...

Страница 15: ...terminals 1650 KC to determine IF pass of main tuning gang VTVM to align band Then set generator to Low side to frame of ment point B if center of passband using suf gang it is des ire d to ficient g...

Страница 16: ...nal frequency on all bands Band Generator Selector Receiver Adjust for Step Setting Frequency Maximum 5 12 34 30 0 MC C66 osc trimmer MC C40 mixer trimmer and C110 antenna trimmer 14 0 MC Ll1 osc slug...

Страница 17: ...FIER 8 VOLTAGE REG 8 T60 50 5KC o 6BJ7 DET ANL a AVC Showing Location of Fig 11 Top View of C hassls Tubes and Dial Lamps Alignment Adjustments T7 o S o S3A PITCH CONTROL KNOB _ I LLs c I_ I I I I c I...

Страница 18: ...and front panel assembly are removable from the cabinet as a unit by removing two screws at each side of the front panel and the six screws on the under side of the cabinet When removing the chassis...

Страница 19: ...ews that secure the pulley on the bandspread gang shaft 2 Holding the Bandspread control fully clockwise set the gang in its fully closed position by turning the gang shaft and then tighten the set sc...

Страница 20: ...crews at the rear of the dial mounting collar 4 Same as Step 5 on page 19 5 Rotate the Tuning control fully clockwise and check the position of the index marks at the low frequency end If they are not...

Страница 21: ...10K ohms 500K ohms Variable Volume 15 megohms 390 ohms 1 watt 560 ohms 1 watt 12K ohms 33K ohms 1 watt lKohm 15K ohms Variable Notch Adj 5K ohms Variable Notch Depth WjSw 680K ohms 4 7K ohms 220K ohms...

Страница 22: ...15 038_100029 083 000502 083 000503 016 100007 071 100205 016 200929 026 200258 026 200514 Gear 99 Tooth 48 Pitch 026 200515 Loose Gear 55 Tooth 48 Pitch 026 200516 Insulator Bakelite 008 100723 156 i...

Страница 23: ...l positions the voltages of the two triode sections are reversed The grid voltage will vary with crystal activity b Voltages for pins 2 and 3 of V8 are taken with AM CW SSB switch at CW SSB Voltage va...

Страница 24: ...hus defective This warranty does not extend to any of our radio products which have been subjected to misuse neglect accident incorrect wiring not our own improper installation or to use in violation...

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