Sennheiser-SK1012-rft-sch 电路图 维修手册.pdf

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1、, - I I I I I I I I I I I 1 I I I I I I I I I I J I I I I I I L I I I I I I r I I I 1L 1- - - -,- - I L 301 L3l I IL -265 , 14 - I ( 14-2 66-10) t I I I, I C3 3 jiC314) BF2L O T 306 R31956p N075 lii7p N1 SOJ C306I (33p NP OI SV 00 I C ,11J I ) I I . , ( C315I 5 : 7.10 k .5 k on Iqk l0n I i5401 I 12n

2、 I:.Jlo. Bd J I I.:,;.-.L- 1 I I C 337 R. ln . I I .I.1Qn r-I I, II I 1-I K 302 1105 2NL 2B88 L 5V I I I I I I I I I I I RY.l R301 I 2:;C lOO k I I I I I I I IL I I J.C 30 1 sv R317 560 1 l I R316 i ,. ( + K,0 1 9V 0 101 KIO l :.-.-.1 ZPD i 2 1 OJJ n : I J . I l (-Kl02 ws CI03 , 33, 11 0 I R I04 8 2

3、1 Cl0 2 OrlOI - : Lmrter l 11 6 i L.:, -.- - -sKi 12 :B41 CI04 lOOp I I R202 1k P201 I 9g R 203 68 0 -i 010 3 lNLH.6 D201 BX55 CLVJ D202 1 n u n _J , , ,., , : : .- 2 1 0104 !Rl02 L 7k ZlJ 2, 7 R1D9 1M CI05-, C 08 12!./l O I :c.3J/l 0 RI03 11 R106 -S-el 8 lL5A , Bei Bestckung mi BC J08 B Nt ;: N 2N

4、08 + mit Ersatzam enne 1 kn/B pF. BC B B HSO553 ND .: 1 Jf Etu Bei Bestckung mi BC 558 B All vo ltages measured against ground: Tt. AB 6w 10nlol For 2 channel equ 1 . ;. j:, v DC-voltages with IJA-Mul tizet (Ri =10knN J. For 1 channel equ Af-volraqes with RV 55 (RE = 1 Mnl. RF-voltageswith RF-Multiz

5、et for dumm y antenna .- 8 RadioFans.CN 收音机爱 好者资料库 L302 L303 L3 04 14-266-1 IL-266-2 14-266-3 R323 C327 -,r 3,3. io 12.7p ) .LC325 -p C321 R321 1308 B2 LO :Op ) Q .52V 11 (l pl , ,p 33 J 1.0 19 I L , V 0.6 V I . 39p k I i?7 pi ,lf t-lc 326 R322 C 324 0121 023 27k 150 2120 22 ( I 3; P 212n It22 1. 2

6、,n :27 01 .i, .1 .J 1 9V R 304 33li T30 2 BC saes BC 55 a l R303 113 05 R.06 L K .I 1O Ok ;-i 2701 1OP) 1 R329 L .7 k. 33B I 33 /I O B Zur Phasendrehung 11311 Verbindung B - C ffnen, Verbindung A - C schl ieen, C 306 umpolen. To reverse phase open connect ion B C, c:J 39k C3 0L -,r 11 5 1 3.3V 0 11

7、312 connect A - C. reverse L.J7 k 7V-A 221 1 JT1 0 C 306. 051 QR309 0 r1IR313 OOk 1620P 22k 56pI y70 .=-.:-=-=-=-=-=-=-=-=-=-=-=-=-:*-=-=-=-=-=-=-=-=-=-=-=-=-= -= -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-i?-=-=- I C1 23 -j;r- I - n I 0. .J.:; -e-,- U / 10 J.lY 0. 62V I. - - -l I I, IC 103 NE 570 I, .22k 12

8、CIIB 11 11 9 . I I /,16 27 I 11 126 I lOk I I I .L(1 22 I II 1 2,2 f 1;I 1 I ; 7v 1 I C119 II 20 k I (11 li. ; V 1-+-c sc08 10f / 1 0- O .L J10 27k I JOk I . I P102Z , k RlIB I R 122 :,7 k Ii 11 124 nk l OOk 0 I L _ a; J I I1clI7 .L.11116 0, 78 V I 11125 Ik l ,OL SC ;) l SI O lR.: I o m J J O II Dy

9、n H, D.,.,. . limi ._ I m !l,Oyft H .O F . I I I I I I 5K 1012-B 2 .JI - _ .-U1 jJ% 21 jr iiI n .,.,-,.,. .,.,.,.,.-.,-,.,rrIlTIi5 L,.li6 . J:;.8.J :;3.:;C6-JC l ll! 11!L9 -nl.:T;ln, J :1 R 1L 115 13 liim J j.J J22 ) 2J J 2 Rl J05 329 !Y, s p . .,: .4 :-WErte in Klammern gelten fr den Frequenzbereic

10、h 38 45 MHz , arnponents in brackets are valid for frequency range 38 - 45 MHz, 9. STROMLAUFPLAN SK 1012, SK 1012 R ung mit 2 Kan len entfallen d ie Bauelemente C 336. C 310. CRICUrr DIAGRAM SK 1012, SK 1012 R ung mit 1 Kanal entfallen die Bauelemente C 336, C 310, C 309, C 308. SK 1010-B 5 (S 401).

11、 1el equipment C 336. C 310 are omitted. te l equipment C 336, C 310, C 309, C 30, SK 1010 B 5 (S 401) are omittsd. C 17 RadioFans.CN 收音机爱 好者资料库 OlOtI 10103 I _ Tuner Zf-Verstrker ZFI Drl02 Tuner If-amplifier IFan 39,u H p3 orlOJI 39 ( 121 Im n lBp C120 15 IOn IS 14 IJ ic 101 TDA 1 052 l,3 C 113 lnU

12、.1op2 L103 C103 C12 P,I3).1H I 160p 101 _ Cl.3 . -r Fl02 SFJ IJ,7 MB2 Z 13 R112 220 ll.l 2,u/ )6 . -= Rl11 220 C11L DlOS 10nI R108 330 F101 SFJ 10 ,7 M8 2Z R136 , I 0 IUZF! Cll.7 IOn 1NL005 5/12 Cl07 IOn .i. Rl02 1 ClOS _ J L1Dl .,62).1 H Stromversorgung Stabilisierung Fensterdiskriminator Power sup

13、pty Stabili zat ion Window discriminator Rausehsperre Squelch 1Jl 1021)03)104,105/105 107 R 131.,135 11. 101 102 ,1 03/rlL,105.1otl1D! 111,108 112 111 114 115,1 09 110 1. 4 .11.5 11.6 ,147 136 139 )1.0 11.1 Gleichspannungen gemessen mit Instrument Ri -100 k.l1 DC-voltages measured with instrument Ri

14、 100 k.l1 Wechselspannungen gemessen mit Instrument Ri 1 M.l1 AC-voltages measured with instrument Ri 1 M.l1 Werte in Klammern fr Frequenzbereich 35 -45 MHz Values in brackets for frequency range 35 - 45 MHz Werte ohne Klammern fr Frequenzbereich 30 - 40 MHz Values without bra ckets for frequency ra

15、nge 30 - 40 MHz TAA 765 A CA 3189 E, TDA 1062 TCA 965.5 55 I. 1 9 11. o:1 C 1Z31 81 cB D ; S U D EUC ;Regelung Eingang/Input Regulation Ausg ang J 175 BC238 B BC 308 B TDB 0117 T -;-;- / ll u efiS n 1-i / 1 6 I R125 3k -.- .l- EIJ() C3-B3 - ._ - -. R130 10 . ! 8v 13-9 St ift/pin 1 + 3 = , .55 V Stif

16、t/pin 4 + 5 = 20 mV :.Lf14 2 33jJ/ 63 re 122,123,1 2L,125 iT3 I S 22 nL ILf) lL7 12 9 25 lL2 116 1 17 126,127 118 119T2i 126 j Jl 129 130,3,132 133 13935 iW 130 136 15C l 13 1 132, 133 m R C 965, SO 42P Widerstnde I Resistors 6 1 % Toleranz , Fa. Beyschlag SBB 0207 1%tolerance, M ssrs. Beyschlag SBB 0207 feJ.e/J :J 7 :Fk ht:Uil Stromlaufplan EM 1003 Circuit diagram EM 1003