Pioneer-SX3700-rec-sup电路图 维修手册.pdf

《Pioneer-SX3700-rec-sup电路图 维修手册.pdf》由会员分享，可在线阅读，更多相关《Pioneer-SX3700-rec-sup电路图 维修手册.pdf（6页珍藏版）》请在收音机爱好者资料库上搜索。

1、SXrSTOOB,o (DrqoNeErt STEREO RECEIVER o This additional service manual is applicable to the SX-3700/S, S/G. o The basic performance of the SX-3700/S, S/G types are the same as the SX-3700/KU type. Please refer to the SX-3700/KU type service manual (ART-535) with exception of this supple- ments. 1. S

2、PECIFICATIONS The specifications for SX-3700/S and S/G types are the same as the SX-3700/KU type except for following section; Miscellaneous Power Requirements AC 11OVl120Vl22OV/240V (Switchable) 50/60H2 Powerconsumption. .150W Weight(withoutpackage) . . 12.4k9(27lb6ozl Furnished Parts F u s e . . .

3、 . . 2 J MODEL SX-3700 COMES IN FOUR VERSIONS DISTINGUISHED AS FOLLOWS: Type VoltageRemarks KU120V onlyU.S.A. model KC120V onlyCanada model s1 10V, 120V, 22OY and 240V (Switchable)General export model s/c110V, 120V,22OV and 240V Switchable)U.S. Militarv model PICINEEFI ELECTFICINIC CCIFIPCTFIATIC|N

4、4-1. Mesu.o 1-chome, rvlesuno-ku, Tokyo 1 s3, JEpBn fJ.a. FE|CINIIF| EIICTFICNIC- CCFIPCFATICTN 85 Oxfond c).rve, Moonechre, New Jensey O7O24, U.S.A. FrCtNtlFl ILIC?FICINIC (ClrFlCPE N.V. Lurchagen-Heven 9, 2O3O Antwenp. Elelgrum pfctNllFl tLfCTFtCtNlCa AIJIYFIALIA FTY. LTCI. 17e-18d4 Elound6ny Flos

5、d, El.sesrde. Victoni6 3195. Austn6li6 F U O APR. 1980 Printed in Japan RadioFans.CN 收音机爱 好者资料库 2. CONTRAST OF MISCELLANEOUS PARTS NO?ES: o Parts without part number cannot be supplied. o The I marh found on some component parts indicates the importance of the safety factor of the part. Therefore, w

6、henreplacing, be sure to use partsof identical designation. MISCELLANEOUS PARTS Symbol Description Part No. Remarks KUss/G A FU1 Art s9 A s1o a c l A n r ,A Fuse Power transformer Slde switch Line voltage selector Capacitor Resistor 2.2Mo Power cord AEK.lOO ATT-696 ACG-017 ACN429 ADG.O23 AEK-l03 ATT

7、.709 ASH16 AKR431 ACG01 ADG448 AEK-1OO ATT698 ASH16 AKR.O31 ACG-001 ADG-048 PACKING AND FURNISHED PARTS Symbol Description Part No. Remarks KUss/c A A Operati ng i nstructions Fuse Packing case Packing spacer Fuse ARB-360 AHD.765 ARB.374 AEK-lOO AHD-765 AE K-103 ARB.374 AEK.103 AHD-787 AHB.105 AEK-1

8、OO I RadioFans.CN 收音机爱 好者资料库 3. SCHEMATIC DIAGRAM (S,S /Gl I A U X I - tiso.vl I LR r_ 1PLAY 2 I lrsomvl I | - Lplav t I L C H I r R E C 2 | 5o;tl I L - L a E . t - REc 1 I ltsomvl I l - L n e c z I R C H l-.- rtuAYl I llsOmvl I l_- Lr.o, , r 300nBAL. FM I- r- 75rl UNBAL. GNO L A M itl iil ill l l i

9、tl xzol O2O1,2O2 Ass-or2 ?-lKZ6l -+;if ?e2 1.f l I I ffi I I L Qlo3,t05 2SC461 QrO4 2SKt68 READ OUT BUFFER 04 2SD880 REGULATOR cza t A ttof, Q4 Q3,4 HAt2Ot FM IF AMP VR3OI: VOLUME R3r5 ACT-,|25 lOOk VR3O2: BALANCE READ OUT Assy I F M A M RadioFans.CN 收音机爱 好者资料库 59: FM OE-MPHASIS v AsH -ot6 O 5Ors TU

10、NER / AF Assy GWM -160 1 1 -_l I I vRz -.4 8Xl*#F,; 40 nt tr PL5 (L0cKEol | 8v5Ona I AEL-O75 , *ixx#irt:,- - r- - -i - - - *, t 0_s_Ub i ! f- n-n- , - s cHrL ii li, i:!i, !:!i.er i .,-i i o5 PA3007-A FM IF 8 DET Qllry14 COUNTER MODE SELECTOR R94 R84 O23 430 (?wt Q5-9,tlr 24 2SC945A Q25- 34 2SA733A D

11、2-7 lSl555 or rs2473 345 Q3 HAr2oto COMPARATOR s5 f-I-ffrl I l|/.L ILi ll !iDi,;rir_ri ,_=, i l,., ln, hl, ln, |re, la,hu i+rirTtTlTii J iu iu iL i+ i If 1il IT-t-1-Tl- lfh ruNtNG ) Jt s7 sB ss sto ;5 Y cY cs c,2 Gr -t I I r53) , *- tt- I 4 EFEO) / 5OmA L-075 SIO: LINE Vq.TAGE SELE( AXR- oJ.I - r20v

12、 220v / f rov 2 I Qr5,t6 2SA985A Q21,22 2SCt9t4A Q23,24 2SC945A Q25 2SCr384 D5tlO 1S1555 Dlfrf 3 15?2472 Dt4,15 1s?2471 D6 rOEz D20 MZ-150 Qg.tO 2SC945A Q,l r,12 2SA949 ot3,f4 2scn75A I Ei)(-g7OO/Srg-/C 1 01 11 2 ON _ OFF ON _ OFF 53 : FM MUTING/MODE ON/STEREO-OFF/MoNo S4-1 : FUNCTION (FM) ON-OFF S4

13、-2: FUNCTIoN ( AM ) oN - qlf S4-3: FUNCTION (AUX) ON_OFF S4-4: FUNCTION ( PHONOI Oru - Oef S5-l: SPEAKERS (A) ON - OFF S5-2: SPEAKERS (B) ON - OFF 56 : TAPE MONITOR 1 ON - QLf 57 : TAPE MONITOR 2 oN - oFF S8 : LOW FILTER (t5Hz ) Oru - Orr 59 : FMOE-EMPHAS|S z5ts - S-ps sro: L|NE VOLTAGE Selecron- I tov - 120V - 220v - 240v The underlined indicates the $,vitch position. This is the basic schematic diagram, but the actual circuit may vary due to improvements in design. A B c D 1 01 11 2 6