Sony ST-JX4L Скачать руководство пользователя страница 1 | Manualshive

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Содержание ST-JX4L

Страница 1: ...ohms balanced 75ohms unbalanced Intermediatefrequency 10 7MHz Sensitivityat 46 dB quieting 40kHz deviation 4 sV mono 43gV 30pV i stereo Usablesensitivity 1 4FV S N 26dB 40 kHz deviation 1 8sV 10 3 dBf lHF Limiting threshold l sV Signal to noise ratio 40kHz deviation 80 dB mono 75 dB stereo Harmonicdistortion 40kHz deviation 0 08 mono 0 12o o stereo at 100 Hz 0 08 mono 0 12o o stereo at 1 kHz 0 1 m...

Страница 2: ...d digitalsynthesizer system UKmodef 24OV ac lor22OY ac adjust able by authorizedSony personnel 50 60 Hz AEP modef 22OY ac lor 24OY ac adlust able by authorizedSony personnel 50 60 Hz 1 2 W Approx 430x 55x 330mm w h d 17x 2rltx 13inches including projecting partsandcontrols Approx 3 6kg 7lbs 15oz net Approx 4 1kg 9lbs 1 oz in shipping carfon MODELlDENTIFICATION SpecificationLabel AEP model MODEL NO...

Страница 3: ...type ceramic capacitors Use appropriate holes where applicable Silvering on inside of tube forming second electrode SERVICING NOTES Example ceramtc t st digit temperature characteilstic tolerance yellow 4 7 l 0 1 5 wh ite SL 47OpF 5 SL Silvering deposited on outside of tube forming one electrode multiplier 2nd digit COLOR CODE in PFI Color lst or 2nd Digit Multipliet Tolerance Temperatur charac te...

Страница 4: ...conductive unrethane polyeste r cushion Fis B aluminum foil Equalizeany potential differencebetweenthe clothes the tools in use the work bench the set being worked on and the packagedIC by touching them all in succession with the hancis or a conductivewire or tool The following are effective methods for handl ing ICs that remove the potential difference acrossthe oxide layer Use a paper clip nrodi...

Страница 5: ... valid for all the output sectionsthat are connected together by the interconnections Even the circuits that are physically separated and not on the same board can be destroyed simultaneously Example I partially conductive urethane polyester cushion or aluminum foil Fis G o When it is necessaryto handle the IC with the fingers do not touch any pin and hold the IC at the ends of its plastic package...

Страница 6: ...3 P t o 2 J 3 6 3 7 4 0 2 5 8 1 1 t 6 1 9 2 2 2 3 24 2 5 t 2 t 3 1 4 1 5 2 6 2 9 3 0 3 2 FM Muting ON OFF Signal Memory IC Data Input Level is always H at AM mode Seenext page FM AM Control Output FM I AM 0 MWLW Control Output MW I LW 0 Clock Output for PLL MEMORY IC eenext page PLL Latch Output Data Output for PLL MEMORY IC Address Output for Memory IC Mode Control Output for Memory IC 6 ...

Страница 7: ...ic filter is blôck or white this diode is used LW changeover OFF Lw 153 342 kHz ON LW 155 344 kHz kHz 19 6ttt Switch ing Matrix When identiTication colol ol ceramic filter is black this diode is used CAL TONE CONTROL SENS CONTROL M U T I N G C O N T R O L E N F O R C E D C O N T R O L 7 ...

Страница 8: ...ST JX4L 1 2 BLOCKDIAGRAM LEIErE L El l L v I F g Ëtr IJ àl l g FI E o F aÈ Èt t i frf r l I t _ t I I 8 ...

Страница 9: ...nals are weak or whose strength is variable tune with the SENS switch engaged To memorize weak FM sta tions tune with the SENS switch engaged and the ff f r l switch disengaged This will ensure the onetouch memory reception of those stations Follow the numbered seguence TO CHECK THE PRESET FREOUENCY After the memory procedure is completed con firm the prememorized frequency Pressthe TUNING button ...

Страница 10: ...and Front PanelRemoval o O O top cover o O frontpanel OevTT3x6 p BVTT P 3 x 6 EVTT P 3 x 6 y l o XU y j front panel avrrsxo avrrsxo SECTION2 DISASSEM BLY I Bottom Plate Removal l Loosen the eight screws BVTT 3 x 6 2 Remove in the direction of arrow og o 1s not loose these screws 1 0 ...

Страница 11: ... in each adjustment severaltimes and the frequency coverageand tracking adjustmentsshouldbe finally doneby tlle trimmer capacitors AM IF ALIGNMENT Procedure AM rt signal generator AM antenna OUTPUT terminal Carrier frequency 999 kHz 30 amplitttde modulation by 4OOHz signal Output level as low as possible Tune the set to 999 kHz and adjust IFT3OI for a maximumreadingon VOM 1 I MWLW FR I I o tvtw l ...

Страница 12: ...ST JX4L VOM dc range VOM dc range ry t 602kHz 522kHz 22V 1 5V cr304 T302 ry 344kHz 155kHz 18 5 V 2 3 V CT3O2 T301 t 2 ...

Страница 13: ...ts severaltimes I FM Discriminator Alignment z Setting STEREO MUTING switch OFF FM rf signal generator Procedure Adjust the white core IFT102 for minimum distortion Note Whenreplacingthe ceramic form this alignment Repeat the secondary_side mentsseveral times FM antenna OUTqU terminal Carrier frequency gg MHz uutput tevel I mV 60 dB Modulation 4O0 Hz 40 k Hz deviation lOO t OUTPUT tFTtol primary s...

Страница 14: ... mark iii with l iii ii li ii ii l l t 1 l j t une Ne les rméro i white core Tune the set to 98 MHz by pressing the MANUAL TUNING switches Adjust RV20l for lgkHz 1 l00Hz on the counter TP5 frequencycounter R206 e ation signal side of IFTl0l CF101 104 Per primarY sideadjust The FM front end is carefully adiusted at the factory and is supptied as one whole blæk for replacement CF101 104 Per primary ...

Страница 15: ...Hz 7 i kHz deviation tg Sub channel 16 25 kHz deviation 40 L CH Stereo separation R CH Stereoseparation The separations of equal both channels should be OUTPUT FM stereo signalgenerator output channel VTVM connection VTVM reading dBl L H L H R H L H a Adjust RV202 for minimum reading R H R H L H R H Adjust RV202 for minimum reading CAL TONE Level Adjustment Setting CAL TONE switch ON Procedure VTV...

Страница 16: ...ing STEREO MUTINGswitch ON Procedure FM rf signal generittor FM antenna OUTPUT terminal Carrier frequencY 98 MHz Ii e i it 4o0 Hz 4o kHz deviation t0o Output levet 10PV 20dB Tune the set to 98 MHz by pressing the MANUAL TUNING switches Adjust RV 101 for a 0 V reading on the VTVM VTVM 1 6 ...

Страница 17: ... be connected X to be removed Notes Color code of sleevingover the end of the jacket i F indicatesside identifiedwith part number B p a t t e r n o f signalpath rrr L CH signalpath rrr r R_CHsignalpath t 7 SemiconductorLeadLayouts 25D880 N ÊYl hil n l 2SK30A fi 1S1555 1082 EOA0l OsR EOA0l 06R HZ6B2L HZ16 2L HZ3G3L cat hode L t i â t l VP ll ànooe C L O C K GENERÂTOR BIÏS DATAREGISTER STATION MORY ...

Страница 18: ...c qç 8aJvu fi u t i x4ql 1_ F r I 6 t eé 3y o 9 9 ffiï xTsT I 3À3ôÀ PRESET BOARDI s803 E 302 30r tcl0l s806 L9J 406 r03104 502 501 303 rô5 106 503 s807 I r0l 308 tc502 1c503 302 l 301 I toz 404 403 302 2 30r 2 501 f Ë r i ffi J I Ë Y c305 l0os i tW ry m llffidi tËm S t æar î 5 ï iis l t ltËl 4 Ë1 E 1 i i t T r Ti ifi r iJ Tal cno g F oto cFro4qft tol 1 ô ...

Страница 19: ..._ g Ë ÈiJÈJÈJÈI i ËlÈi lsliilll v J I I lon r1 r TÊ lJe hhru4ffi 5 lo l f IÀl IEî f ffi geef Iw f f lïfii jjfl iffiJ a1âââ lltffii I I l z t Y t l 2 J I I lËlFrrr l t t t l llll 1lI IsTul ffil HïJllffi Y ffi fl R55B22t y D6t3 oso i J T a ï ouÔ4 lls lro I 1 1l I cl ô l I l l TliTlTTli t l t l t t i l l 6 ô ô ô 6 ô ô À rlhllllrr J rJr rlll CHANGE SWBOARDI 206 205 203204 20t 202 207 tc505 504 505 tc2...

Страница 20: ...T I N G O N p o s i t i o n t t I I Tuned in FM stereosignal o Voltage variations may be noted due to normal produc Les compasdrrl ruE r v Ju r sc utitc Ne les i marque I sont titigl t lr râhr rc numéro iïli i i pi i iè pôrunt renuméro ri sPécif ié i li l i1i il i i iii i i ii iiir Note Thecomponen J itirita bvshadins andt11 il ai titi t ioi satety ileplaceonly with lli ii frti b t spocified ir ii...

Страница 21: ...R F A M P fl rryld r L T l oonl L E T n û r rr t ROOAiII Lf Itu l l t l t l t l t l t l l l t l t l t l t l t l t l tl ll l l tl u Q 2 F M M I X Rl40 220r ï 03 BUFFER 04 osc R19 1 I I I I I I I l_ 30 6V r c402 _ o o22T R409 R42C 2 2k 2 2k 2 q c404 560 0405 i cLi ...

Страница 22: ...fi W t ù Rr06 330 3 1 Ril 330 ce3 l i 0 022 0 l0l 106 ZSCZIO F MI F 5 4 V 0306 307 25Cr8t5 ÂMB 0306 D STAIT CN 5V tOFF 0 6VJ 0304 2SCr8r5 Q305 2SCl815 Atv F LTÊR SWITCH D50trsl555 05022scl8l5 srv rlot 050 I 050r2scr815 CLOCKCONTROT ...

Страница 23: ...207 2SCt890 CAL TONE R232 561 e2l 0 0068 i r r olu lr r 0 r G l 1l lr 1ryryryryEFryry1 il 1 1 1 1 1 1 1 1 e e e e I FDsOI FLUORESCENT DI 1r reNonv l i l i i Ffl qiii t l t 1 L l 1 P P P G P P P P G P d A M o M H z r a MEM l HzuV7MWFM b I ...

Страница 24: ...I i O FF j 8 v l 0607 2SCr890 POWER IVUTE D612tSr555 t8t5 UFFER R238 t ii J T f rcso sos I PDzl0l3C J LATCH L hiri l TUBE i i i i i lcÂfror re iiilltZti rx jjorsranr iittii 4 J rr iirLTtrG i P G G P G P P P G P P G e 4 3 br 2 o o cr caLz o6 MUT I e 6 l t l F F HZ30 0605 t v R227 rk O V R2l9 rr Q602 2SCl8l5 TNVERTER ERROR DETECT ...

Страница 25: ...5T JX4L SECTION5 EXPLODED VIEWS B PARTS LIST c ffi ...

Страница 26: ...ST JX4L ...

Страница 27: ...SIS SUB CAST LABTL LI STLECÏION I NSULATOR SCREW P 2 6X5 TYPT2 NON SLIT SCREt l BVTP 3XB TYPE2 N S SCREl r BVTT 3X6 S SCREW BVTT 3X6 S SCREW BVTT 4X6 S CUSHION CUSH ION INSULATOR TRANSFORMER COVER EDGE PANEL ASSY FBONT MOUNTED PCB TUNTR KNOB ASSY POl jER FOOT ASSY 14 F KNOB ASSY PRTSET No 51 52 53 54 55 CAPAC I TORS All capacitors are in uF Comnon ca pacitors are omjtted Refer to the following lis...

Страница 28: ...e rrems Due to standardization parts w ith part numbers A AAA AAA XX or A AA A_AAA_X may be different from those used in the s e t CAPAC I TORS All capacitors are in uF Common ca_ pacrtors are omitted Refer to the following I jsts for their part numbers M F p F P F u u F RIS STORS All resistors are in ohms Common 1 4W 1 8Wand l l6W carbon resjstors are omitted Refer to the fo lowing l l s t s t o ...

Страница 29: ... 05 8 129 665 41 NOTE ltems wjth no part numberand no des cription are not stocked becausethey are sel domrequired for routi ne servl ce Items marked Ô are not stocked since they are seldomrequired for routine i ïi Some del ay should be antici pated whenordering these jterns Due to standardization parts with part numbers A aAA AAA XX or A AAAA AAA X may be different fro t those used in the s e t S...

Страница 30: ...ST JX4L I I 9 950 652 1 I ...

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