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Summary of Contents for sx-550

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Page 16: ... TO for rnurirnum indication on AC VM 6 Set AM SG and SX 550 dial indication to point C 1 400kH2 TC ffi ffi i EiX EiE cI 7 Adjust TC4 for maximum indication on AC VM 8 Again set AM SG and SX 550 dial indication to point A 9 Adjust bar antenna core for maximum indica tion on AC VM 10 Return AM SG and SX 550 dial indication to point C 11 Adjust TC5 for murimum indication on AC VM 12 Repeat steps A t...

Page 17: ... point C 106N Hz 9 Adjust TC3 then TC1 and TCz for maximum indication on AC VM 10 Again set FM SG and SX 550 dial indication to point A 11 Adjust T3 then T1 and T2 for maximum indi cation on AC VM 72 Repeat steps B 11 to eliminate variations in sensitivity at points A and C 13 Adjust T4 for maximum sensitivity 74 Detune to noise only and adjust T5 lower core for center of scale indication on Tunin...

Page 18: ... s 550 4 Set SX 550 dial indication to 98MHz and adjust FM SG for center of scale indication on Tuning meter 5 With FM SG unrnodulated adjust VR1 so that trissajous pattern on oscilloscope becomes sta tionary 6 With MPX SG modulation 1kHz L R 67 5kHz deviation and Pilot 7 lk Jz deviation adjust T4 for minimum distortion Oscilloscope M PX signal generator Probe AC voltmeter D istortion meter FM sig...

Page 19: ...d TREBLE controls to FLAT positions 2 Connect DC voltmeter to circuit board TP terminals L 34 33 O R 35 36 O and adjust VR3 L and VR4 R for 25mV 3 Readjust after approximately 15 minutes speci fication range is 15mV to 40mV ffi DC voltmeter E ro 20 ...

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Page 26: ...ype cannot be suppried rij i Capacitor co er AEC 279 Model KU iri ti Selectorfuitch sPEAK E R ASA 042 Variable resistor ACV 138 AKR 013 KC AKR O3O KU AKR O3O KU RT3x6 I nsu lato r Heat sin k AN H 277 Terminal SPEAKE RS AK E 029 Slide switch DE EMPHASIS ASF O15 Heat sin k AN H 117 RT3xG RT3x6 F ilt i Al AE K 1OO Fuse 0 8A AE K 111 F use cl ip AKR OI3 KC AKR O3O KU s c gv Variable r bsistor cg2 063 ...

Page 27: ...ied Variable rer istor Variable resistor ACV 1 61 Push switch ASG 093 Selector switch FU NCTI ON ASD 048 Phone jack M lC AKN O11 A PM 3xG Variable capacitor ACK 012 5P e on AKP O nector socket R EC P LAY 11 Term ina I 4P AKB 027 Terminal nTTENNA AK E O2B D ial pu lley assembly AXA 066 L RT3x6 ACV 126 o ot leulfr 34 ...

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Page 31: ...Circuit Diagrams of lCs HAl 137 FM tF tc HAl156 FM MPX tC HA 1 1 38 AM tC TA7 1 36P 1 t l1 39 ...

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Page 41: ...2 19V AWK 054 No 21 AC BV PL4 AWK 054 No 1 3 21 V WE O72 No 3 21V WK 054 No 1 WK 054 No 29 AWK 054 No 3 WK 054 No 28 J _l Cr 25K30AW a c f oa a3 2SC I45A 10P E CT C210P 5 c si ir Q3 an 2SA 33 1gV Rs CD 3 Dr rs24 3 c J c 6 16 0V Q2 25K3OAW I v tt v 6 LY 5 Re 22K HavV C C5 Luut o offi tr lo I glev rrri 444 ...

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