Acoustic-Research-A-03-Service-Manual 电路图 维修手册.pdf

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1、 TABLE OF CONTENTS Specifications . oa 1 Bias Adjustment . : 1 Hints For Removing The PC Board . 2 Schematic Diagram . 3 Wiring Diagram . 5 Printed Circuit Boards . 6 Disassembly Digram . 7 PC Board Assy Parts List . 9 TELEDYNE RESEARCH 330 Turnpike Street, Canton, Machusetts 02021, USA High Street,

2、 Houghton Regis, Dunstable, Bedfordshire LU5 5QJ, England RadioFans.CN 收音机爱 好者资料库 - 0 - 0 - -. (DT;= Cl01II I I Specification Rated Continuous Power Output 20Hz-20kHz 8 ohms . 30W 4 ohms . 40W Maximum Continuous Power Output: 8 ohms . 35W 4 ohms . 45W IHF Dynamic Power Output: 8 ohms . SOW 4 ohms .

3、,. . 1o w Maximum Output Current: . 12A THO 20Hz-20kH rated power: 8 ohms . 0.07% IMO rated power: 8 ohms . 0.05.A: Damping factory: 1kHz . 120 Input sensitivites for rated output 8 ohms 1 kHz: CO, Tuner, Aux, Tape . 150mV Phono MM . 2.5mV Input Impedance: CO, Tuner, Aux, Tape (mlnimum) . 10k ohms P

4、hono MM . 47k ohms/100pf Signal-to-noise ratio IHF A Weighted, (refrated input) CO, Aux, Tape . 96dB Blas Adjustment Instruments: DC milll-vottmeter I Signal-to-noise ratio A weighted: Phono MM (ref 5mV) . 80dB Frequency response 15Hz-20kHz . 0 to -0.3dB Phono RIAA error 20H. z-20kHz . - 0.3dB Maxim

5、um input 1 kHz: CO, Tuner, Aux, Tape . 30V Phono MM . 160mV Crosstalk between sources CO, Tuner, Aux, Tape . 75dB Separation 1 kHz: Tuner, Aux, Tape . 75dB CD . 85dB Power Requirement. . 120V/60Hz, 220, 240V/ 50Hz or 120, 220, 24fN/ 50-60Hz (depending on destination Power Consumption . 150W Dimensio

6、ns (overall) . 430W x 93H x 3540 1615/;eN X 311/11 X 1315/,elt Weight (net) . 6.6 kg/14.52 lbs Specifications and design subject to possible modification without notice. Notu: Prior t.o Bias Adjustment, run about 5 minutes with rated output (8 ohm) and warm up Power Transistor and Heat Sink. Set Vol

7、ume Control to Minlnum. Coupling Step Adjust Adjust fot Plus Lead Minus Lead 1 TP1 TP3 VR601 DC milli-vohmeter 2 TP2 TP4 VR602 reads 4mV 1 RadioFans.CN 收音机爱 好者资料库 HINTS FOR REMOVING THE PC BOARD 1. To remove the main PC board, first remove screws G) and . 2. Then ture the unit upside down, remove sc

8、rews fr.om to . 3. Pull the back plate and the PC board assembly toward the back, then lift and flip the PC board to the Transformer side would allow one to reach the soldering side of the PC board. (Note: When removing the PC board, not separate the Heatsink from PC board) . Iii ! 0 (!) - - (!) 0 0

9、 G) 0 .0 . 0 - fol I - 0 I 0 2 RadioFans.CN 收音机爱 好者资料库 Schematic Diagram LEFT TUNER co RIGHT co TAPE OUT TUNER AUX 3 . . 1 . t-, LEFT i. ,a 1. JS.C:1K2 . , ;:; SPE4KE R U,N1 JiOl(IU I RIGHI NJMl$60 ; 4 c.n - - VOLTAGE SELECTOR / ii I i I a: - (BLU) fBRN l (IYHT ) .J T.:3EF 1 rre l.L_I .o) 117 AC, f!

10、J.J 1,-f t,-!-1 POWERIIOI : F -J r 1:1 i:l I I I,. AFBOl.331 ,- , _ d It if.111 -I r I I I I .;l II ) SPEAKERS v l r U ) ( U l ! - ,-_.Ju LJ LJ ITLJ Ul f o, (BAN) I iii uuu M r a: J 0 a ., ., - N JO!l5 J006 . . . fl I :Ill !I 1P3 1l !l. TPI JOOS J006 .t w u u . ,_ I ._ t t w T l (RED) J I l 81.K) !B

11、,I;. n TP4 TP2 AFBOl.321 K1A-, I I T:r JOOt. I IJOQ2 E t Pt)NE!i g I 1.rn . .r, UJ003 JOO AFBOl.311 :?02 ff_.:; OL ff Fl: 9 p K18 J003 J001 I I 11 I I I I i PRINTED CIRCUIT BOARDS . . I - I . f.i! ,f,OJJi . . -lhO. J113 - 1 6S _z . II l&: . 6 ., SVMROT, PART NO. 1 AA80001254 2 AA80001102 3 KB1000162

12、0 4 SR00000985 5 OM10000759 6 SG00000742 7 SG00000717 OM00002224 - 10 KB20002140 11 KB10000961 12 OH10000747 13 AF80000408 14 KB20001652 15 SN00000271 16 SP10005656 17 - 18 AM00001665 19 FT00000175 20 SP10005528 21 - 22 BC00000192 23 SP10005772 24 AH20000631 25 PT26305101 26 AR80000958 27 VC00000048

13、 28 SP10005309 29 CD00000048 CD00000085 CD00000115 30 AU00000889 a, -I Jc)c-c. . , e :Tif?:/ - DESCRIPTION FRONT PANEL 2TSC-lA PLAS, FRONT PANEL 2TTP-7A KNOB 4TTX-14 SOF KNOB SPACER 4TQ0-65t2 ALOMINOM DOOR 4TTX-8t3 SPONGE 4TSC-8 DOOR SPONGE 4TTX-2l AR BADGE C-4347A0l P,C,B, ASSY AF80432l POSH BOTTON

14、 4TR-1515t0 5xl4 KNOB C-318712-T 13F RED ORNAMENTAL PLATE 4TSC-5 FRONT CHASSIS 4TSC-2 POSH BOTTON 4TUQ-4 16. 9F BOTTON SPRING 4TTP-2l POWER SN SUPPORT 4TTP-l 7t2 P,C,B, ASSY AP80433l CHASSIS BODY 2TSC-4A e-, a PLASTIC FOOT 4TR-2593 20Fxl0 PANEL SOPPORT 4TTY- 13 P,C,B, ASSY AF804311 CYLINDER BOSH 4TR

15、-1989 BEAT SINIIER SOPPORT 4TSC- 6 HEAT SINKER BOARD 4TSC-7 POtlER TRANSFORMER TT-26 3EF PRINTED REAR CHASSIS 2TSC-3 VOLTAGE SELECTOR C-4304A01 FS907B V,S MASK 4TTP-24 AC POtlER CORD 4TR-1037 (El AC POtlER CORD C-2504A (Kl AC PONER CORD C-3763-T (G) UPPER COVER 2TTP-6At2 (:) J IJ - m m m m CD 3 D IJ

16、 ii CD 1 m 3 _p Parts List NOTE: THE COMPONENTS INDENTIFIED BYMARK ARE FOR SAFETY, REPLACE ONLY WITR ORIGINAL PARTS.DO NOT SUBSTITUTE, SYMBOL R401,402 R403,404 R405,406 R407-410 R4ll,412 R413,414 R415,416 R417,418 R419,420 R421,422 R423,424 R425,426 R427,428 R429,430 R431,432 C401,402 C403,404 C405,

17、406 C407,408 C409,410 C4ll,412 C413,414 C415,416 C417,418 C419,420 C421,422 C423 0401-406 Q401,402 Q403-406 Q407,408 Q409,410 VR502 R601,602 R603,604 R605,606 R607,608 R609-612 R613,614 R615,616 R617,618 lil . % R623,624 R625,626 R627,628 R629,630 R631,632 R633,634 R635,636 R637-640 R641,642 R643,64

18、4 R645,646 R647,648 R649,650 R651,652 R653,654 R655 R656 R657 R658,659 R660 R661 R662 R663,664 R665,666 R667,668 PARTS NO, DESCRIPTION AF8043ll PCB ASSEMBLY RM52212811 RM59092811 RM51003813 RM52210814 RM52212811 RD53301822 RM52210814 RM51002810 RM51213819 RM21820810 RD52200827 RD52202824 RD28209826

19、RD51003820 RD53300829 CT04707840 CS42211420 CE01006500 CM02210428 CE02205103 CP11008330 CM08210426 CM02709423 CE01006251 CS43310428 CE04706351 CC05009457 OD80000021 TR10000126 TR30000467 TR10000126 TR30000327 RV10001231 RD51000820 RD52203828 RD54702824 R051500827 RD51801827 RM25112813 RM54750812 R05

20、1001823 RD53300829 RD51002827 RM21500815 RM15601128 RD52209820 RD58201829 RD53301822 RM28259811 RM91000926 RM10228226 RM11009120 RD51001823 RD53901825 RD53903822 RD54702824 RD51501820 RD51002827 RD53301822 RD54703828 RD51501820 RD51002827 RD51003820 RDS.1002827 RD21004822 RD21500825 RD26803824 RD268

21、02820 R,METAL 22.1 F l/4W R,METAL 90.9K F l/4W R,METAL 100K F l /4W R,METAL 221 F l/4W R,METAL 22.lK F l/4W R,CARBON 3,3K J l/4W R,METAL 221 F l/4W R,METAL 10K F l/4W R,METAL 121K F 1/4W R,METAL 182 F l/4W R,CARBON 220 J 1/4W R,CARBON 22K J l /4W R,CARBON 82 J l/4W R,CARBON lOOK J l/4W R,CARBON 330

22、J 1 /4W CAP,TANTALUM 4.7uF 10V CAP,STYROL 220P 50V CAP,ELEC lOuF 50V CAP,MYLAR 222 J 50V CAP,ELEC 220uF lOV CAP,M,P. O,luF 100V CAP,MYLAR 822 J 50V CAP,MYLAR 273 J 50V CAP,ELEC lOuF 25V CAP,STYROL 3300P 50V CAP,ELEC 47uF 35V CAP,CBRAMIC 0 .047 50V DIODE 1N4148-86 TRANSISTOR 2SA608K TRANSISTOR 2SC260

23、2G TRANSISTOR 2SA608K TRANSISTOR 2SC536 R, VARIABL. E 4TR-2537 lOOKMN R,CARBON 100 J l /4W R,CARBON 220K J l/4W R,CARBON 47K J l/4W R,CARBON 150 J l /4W R,CARBON 1,8K J l/4W R,METAL 51.lK F 1/4W R,METAL 475 F l/4W R,CARBON lK J l/4W R,CARBON 330 J l/4W R,CARBON 10K J l/4W R,METAL 150 F l/4W R,METAL

24、5.6K J lW R,CARBON 22 J l/4W R,CARBON 8.2K J l/4W R,CARBON 3,3K J l /4W R,METAL 82,5 F 1/4W R,METAL 100 J l/2W R,METAL 0.22 2W R,METAL 10 J lW R,CARBON lK J 1/4W R,CARBON 3,9K J l/4W R,CARBON 390K J 1/4W R,CARBON 47K J l/4W R,CARBON 1,5K J l/4W R,CARBON lOK J l/4W R,CARBON 3 ,3K J l/4W R,CARBON 470K

25、 J 1/4W R,CARBON 1,5K J l/4W R,CARBON lOK J 1/4W R,CARBON 100K J l/4W R,CARBON 10K J l /4W R,CARBON lM J l /4W R,CARBON 150 J l/4W R,CARBON 680K J l/4W R,CARBON 68K J l/4W 9 SYMBOL R669,670 C601,602 C603,604 C605-608 C609,610 C613,614 C615,616 C617,618 C619,620 C621-624 C625 C627 C628,629 C630-639 C

26、640,641 C642 C643 D601-608 D609 Q601-606 Q607,608 Q609,610 Q611,612 Q613,614 Q615,616 Q617,618 Q619,620 Q621,622 Q623-625 Q626 Q627 IC60l L601,602 VR60l,602 R90l,902 8903,904 R905,906 R907 R908 R909 R912,913 R914,915 R916 C90l-904 C905,906 C907 C908,909 C910,911 C912,913 C915 C916-923 D90l,902 D903

27、D904-911 D912,913 Q901 Q902 Q903 Q904 F901-904 S2,S3 S4 RSOl,502 C503,504 VR501 Sl COl PARTS NO, DESCRIPTION RM51001816 R,MBTAL lK F l /4W CE04706259 CAP,ELEC 47uF 25V CS41011422 CE01007504 CC33310466 CE01004163 CE01006251 CE01005106 CC32212436 CM01008423 CM02208422 CE01006500 CM01009427 CC33311434

28、CC31011435 CC05009457 CC31009465 DD80000021 DD20000090 TR30000327 TR10000023 TR30000212 TR40000069 TR30000080 TR10000059 TR40000045 TR20000040 TR10000126 TR30000327 TR10000126 TR30000327 IC00001474 LC03550007 RV40000022 RD23900820 RD51502824 RD51001823 RD52702821 RD56801829 RD55601821 RD51001823 RD5

29、2201820 RD55601821 CE04706351 CE01007504 CE02205164 CC01008458 CE02205358 CE01004503 CE02205358 CE02204354 DD20000090 DD20000181 DD80000010 DD10000019 TR40000069 TR10000047 TR30000327 TR10000126 FU23000049 SH30000390 SHll 000306 CAP,STYROL 100P SOV CAP,ELEC luF 50V CAP,CERAMIC 0.0033uF SOV CAP,ELEC

30、lOOOuF 16V CAP,ELEC lOuP 25V CAP,ELEC lOOuF 10V CAP,CERAMIC 22P 50V CAP,MYLAR 104 J SOV CAP,MYLAR 224 J 50V CAP,ELEC lOuF 50V CAP,MYLAR 103 J SOV CAP,CERAMIC 330P 50V CAP,CERAMIC 100P SOV CAP,CERAMIC 0,047 50V CAP,CERAMIC 0,01 50V DIODE 1N4148 DIODE RD-15E TRANSISTOR 2SC536 TRANSISTOR 2SA1016 TRANSI

31、STOR 2SC2362 TRANSISTOR 2SD600K TRANSISTOR 2SD863 TRANSISTOR 2SB764 TRANSISTOR 2SD1047 .&, TRANSISTOR 2SB817 TRANSISTOR 2SA608K TRANSISTOR 2SC536 TRANSISTOR 2SA608K TRANSISTOR 2SC536 IC NJM4556D ANTI-PARASITIC TRL-355 R,SEMI-FIXED 2,2K R,CARBON 390 J l/4W R,CARBON 15K J l/4W R,CARBON lK J l /4W R,CA

32、RBON 27K J l/4W R,CARBON 6,8K J l/4W R,CARBON 5.6K J l/4W R,CARBON lK J l/4W R,CARBON 2.2K J l/4W R,CARBON 5,6K J l/4W CAP,ELEC 47uP 35V CAP,ELEC luF 50V CAP,ELEC 220uF 16V CAP,CERAMIC O.luF 50V CAP,ELEC 220uF 35V CAP,ELEC lOOOuF 50V .&, CAP,ELEC 220uF 35V CAP,ELEC 2200uF 35V t. DIODE RD-15E DIODE R

33、D-6,2E OIODE 1N4003 DIODE KBPC02 TRANSISTOR 2SD600K TRANSISTOR 2SB631 TRANSISTOR 2SC536 TRANSISTOR 2SA608K FUSE 250V 4A S FUNCTION SW 4TR-2398 1 KEY PUSH SUL 4TR-2601 AF804321 PCB ASSEMBLU RD22203826 CE04706259 RV10001383 R,CARBON 220K J l /4W CAP,ELEC 47uF 25V R,VARIABLE 4TR-2650 20KAx2 AF804331 PCB ASSEMBLYY SH40000155 CK00000035 POWER SW C-4176A01 & SPARK KILLER DE7150F472M&