Kenwood-KT3050-tun-sch 维修电路原理图.pdf
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3、0-21 0 PQ 1o3,6Q4SYSTEM CONTROLQ90 1 0414,26,29,34 |Q21,28 | 1 ao36,38o39 :Q40 :D5-7,9 :D10-16,22-24,:D25,26 :D 3 1 , 4 1 :D35-38 |D47,50 :D48 :D32,49 :P v( M ) T Y P E( K ,P ) T Y P E(x05- 4340- il)(C/4-MUING CONROLFM AM CHANGE OVERr c 8| / 2 ):.= : o - I 0 9P-s | .: ;1: | n & . 1 l ! Aol, A qJ(xos
4、 -4340-2t ) (c/4)KT-3050 (Kt/21ro E s IiJNIT NAME105c l) 1 1 2t 1 6c137c1 39c147R1 8 32(05 43409 1 0 P t0PNO13021 33 05 0 22OOp?l YENONO:05-4340-2 1 0 PYES 330u31 330u632200u31NOYES YES2SA1 53442SC18452SC2003DC voltages ae as measured wrlh a high-impedancevoltmeler duing reception o the EM oroadcast
5、 srgnalwilh a signal stength of 60 dB al lhe ANT termrnalValues may vary slightly due to vafuatrons between rn-dividual instruments o/and unrls Values in oaren-lheses are as measued during rs6gs1;6n ol the AMboadcasl signal (wilh a signal srrength of 60 dB al lheANT terminall.Les tensions c.c. doive
6、nt tre mesurees avec un volt-mlre haute impdance pendant ia rception dunsignal de pogramme FM avec une orce de signalde 60 dB la borne ANTI Les vareus Deuvent differlgrement du fait des vara!,o.s rnhrenles auxappareils et aux instuments Ce mesue nd,vrduelsLes valeurs entre paenthses do,eil tre mesue
7、spendant la rception dun s g: je programme AMavec une orce de signal de 6C:9.:,: Jcne ANTrDie angegebenen Gleichspannungswerte wurden mileinem hochohmigen Spannungsmesser bei Empangeines UKW-Signals (mit erner Feldstake von 60 dB amAntennenanschluB) gemessen Dabei schwanken dieMeBwele augrund von Un
8、leschreden zwischenernzelnen Inslrumenten oder Gerten u U geringfugigDie eingeklammerten Gleichspannungswerte wurdenbei Empfang eines MW-Signals mrt erner Feldslarkevon 60 dB am AnlennenanschluB) oemessen,-/ NJM456sDW.,/u)l . - tl.tTtil i l : ,2S81375tc1tc2,6,8tc3tc4tc7tc9Q1 : 3SK226Q2 : 3SK1 51 (GR
9、): LA1 2664I NJM4a 65D: LM70C1: NJM2g01 N: 143401: pPCTe0SAHF or TA7805Sx 0 5 - B / 4 - C N I2SK3C2 ( GR)2 SK7C9 ( BL, V)2SA104825C2458DTCl 14TK2SA1037K25C2412K25C2714NJM29O1 N2SA13094. 2SC331141M7001CAUTION: For continued saety, replace saety citical com-pononts orily with rnanuactuos rscommended p
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