Nad-C-320-BEE-Schematic 电路图 维修手册.pdf

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1、Preliminar y JK41 1 2 3 4 5 CZ44 PHONES SOCKET N8C320D03 AC POWER CORD C435 4n7/400V SW42 POWER SWITCH T401 1 2 3 CZ411 RED GRY BLK ORG VIO ! ! ! C41 10n/250V D41 KBU8D C42 10n/250V D45 KBU8D C417 15000uF/50V 10% C418 15000uF/50V 10% Q418 C1815 Q417 A1015 D431 TIC116D D432 TIC116D R458 1K R463 22K R

2、461 100 R462 1K R460 1K R459 1K R465 100 R464 22K R431 0.05/3W 5% CE R432 220 Q410 A1015 Q49 A1015 R434 2K2 R433 2M2 Q419 A1015 Q420 C1815 R466 4K7 D413 1N4002 R444 22K C423 3300u/50V C424 2200u/50V 1 2 3 4 CZ48 1 2 3 4 5 6 7 CZ46 D426 1N4002 D424 1N4002 D427 1N4002 D425 1N4002 1 2 3 CB410 ! ! ! ! !

3、 C5 10n TO CHASSIS F41 F42 F44 F43 ! ! ! ! ! ! H1 H2 L1 L2 G GND GND +46V -46V -37V +37V I-V AC DET. TRIG NAD C320 RECTIFIERS CIR. 10% 10% R12/2 22K C4 10n O/P RELAY L OUT R OUT D412 1N4148 BINDING POSTS R446 56K R445 56K C422 330u/16V C421 4u7/50V C432 0.22u R443 150 1/2W FS R441 15K R442 56KC420 1

4、00u/16V PROTECTION CIR. 0V 0V +3.25V +2.16V 0V 0V +2.0V +18V +46V R478 100K 1 2 3 IC43A TL082D R480 6K2 R482 4K7 R479 100K C428 10u/25V C425 10u/25V R470 10K R471 10K D418 1N4148 D417 1N4148 R477 47K R483 330K R473 47K R472 470K C426 10u/25V C429 10u/25V R488 39K R487 39K D420 1N4148 D419 1N4148 R48

5、6 560K R4741K C430 10u/25V R476 1K C431 10u/25V R490 100K R491 100K 4 5 6 7 8 IC43B TL082D +18V +18V-18V 1 2 3 4 5 6 7 CB47 5PIN -37V+37V 1 2 3 4 CB49 4PIN -46V+46V 1 2 3 4 5 CB45 5PIN R453 220/2W FP R452 220/2W FP R438 22K R439 T0=90 degree C Q412 C1815 POSISTOR +18V R45 33/0.5W FS R41 680 R43 680

6、R47 680 C43 220u/50V C413 220u/35V Q41 2SD669A C45 22p R49 680 R411 680 R413 680 D49 18V C47 47u/25V C49 47u/25V R414 2K2 R46 33 / 0.5W FS R42 680 R44 680 R48 680 C44 220u/50V C414 220u/35V Q43 C1815 C46 22p R410 680 C48 10u/25V C410 47u/25V R412 2K Q42 2SB649A Q44 A1015 C411 0.1u 10% C412 0.1u 10%

7、R428 2K2 R429 5K1 MF MF -37V +37V NAD C320 SUPPLY CIR. 63V 63V +18V -18V Q411 A1015 R436 56K R435 100K R489 100K R457 220K R451 330K D423 1N4148 R448 100K C434 22n/63V R427 22/1W FP Q413 D669 Q414 C1815 +37V +12V +18V +12V Protection Soft Ind +5.6V +18V -18V+5.6V +18V -18V +12V Remote Mute Pre Mute

8、5.6V Standby STANDBY R11 470 C11 10u/16V R15 22K R14 100 Q12 A970 Q13 C2240 C12 470p R19 39K R111 82 R112 82 R110 39k C14 10u/35V C13 10u/35V Q14 C2240 Q15 A970 R115 33 R116 33 Q16 A1015 Q17 C1815 R119 47 R120 82 C18 22p C19 22p C15 220uF/63V C16 220uF/63V Q110 B649 Q111 D669 R124 3.3/0.5W FP R125 3

9、.3/0.5W FP R128 330/0.5W FP R129 330/0.5W FP R123 47K C110 47u/25V C111 47u/25V R126 2K7/2W FP R127 2K7/2W R130 82/1W R131 82/1W R142 22 R143 22 R136 10 R137 10 Q112 D669 Q115 2SC5200 Q114 2SA1943 Q113 B649 R144 0.068/3W CE R145 0.068/3W CE R139 470 VR12 300 R153 1K2/2W 5% FP R149 150/1/4W 1% MF C11

10、62200u/6.3V C117 0.1u 10% 63V L11 1uH R150 1/1W R151 10/1W FS C118 0.1u 10% 63V C119 22n 10% 63V C115 0.1u 10% 63V C114 0.1u 10% Q19 D667 Q18 B647 D13 1N4148 D15 1N4148 D14 1N4148 D16 1N4148 R121 100K R122 100K R21 470 C21 10u/16V R25 22K R24 100 Q22 A970 Q23 C2240 C22 470p R29 39k R211 82 R212 82 R

11、210 39k C24 10u/35V C23 10u/35V Q24 C2240 Q25 A970 R215 33 R216 33 R203 82 Q26 A1015 Q27 C1815 R219 47 R220 82 C28 22p C29 22p C25 220uF/63V C26 220uF/63V Q210 B649 Q211 D669 R224 3.3/0.5W FP R225 3.3/0.5W R228 330/0.5W FP R229 330/0.5W R223 47K C210 47u/25V C211 47u/25V R226 2K7/2W R227 2K7/2W R230

12、 82/1W R231 82/1W R242 22 R243 22 R236 10 R237 10 Q212 D669 Q215 2SC5200 Q214 2SA1943 Q213 B649 R244 0.068/3W CE R245 0.068/3W CE R239 470 VR22 300 R253 1K2/2W 5% FP R249 150 1/4 1% MF C2162200u/6.3V C217 0.1u 10% 63V L211uH R250 1/1W FP R251 10/1W FS C218 0.1u 10% C219 22n 10% C215 0.1u 10% C214 0.

13、1u 10% TP1 Q29 D667 Q28 B647 D23 1N4148 D25 1N4148 D24 1N4148 D26 1N4148 R221 100K R222 100K R12 220K R22 220K C212 470p C213 470p C112 470p C113 470p R147 1K Q11 C1815 Q12/1 A1015 R152 22K R12/1 6K8 R148 15K C120 22n 10% D17 1N4148 R247 1K R248 15K R252 22K Q21 C1815 C220 22n 10% D27 1N4148 MAIN-IN

14、 L-CH MAIN-IN R-CH R146 2K7/1W 1% MF R246 2K7/1W 1% MF R154 10 R155 10 R254 10 R255 10 Q116 KSC2690 Q216 KSC2690 R138 390 R238 390 FP FP FP FS FS FS FS Q47 A1015 Q45 A1015 Q46 C1815 R417 100 R419 100 R418 100 R416 100 C415 10u/25V C416 10u/25V R422 1.3K R423 1.3K R424 1.3K R425 1.3K R420 36K R421 36

15、K D411 20V D410 20V 1 2 3 S41A 4 5 6 S41B ON OFF TP4 TP3 TP2 FS FS FP FP FP FS FS NAD C320BEE POWER AMP CIR. 63V 63V 63V 63V 63V 63V 63V MF MF MF Q203 C2240 C203 100uF/16V R201 39K R206 82 R205 39k C204 100uF/16V Q204 A970 -18V +18V +18V -18V +46V -46V +46V -46V +46V -46V R202 220k R204 220k D21 4.7

16、V D22 4.7V D11 4.7V D12 4.7V R103 82 Q103 C2240C103 100uF/16V R101 39k R106 82 Q104 A970 C104 100uF/16V R105 39k R104 220k R102 220k Q201 C2240 Q202 A970 R207 39 R208 39 Q101 C2240 Q102 A970 R108 39 R107 39 VR11 100 VR21 100 Q48 C1815 1 2 3 4 5 6 7 8 IC44 UPC1237HA 12 34 56 RL12/1 F1AA012V 1 2 3 4 S

17、PKOUT SPKOUT -46V R401 4K7 D403 1N4148 STANDBY D42 1N4148 D43 1N4148 R437 47K STANDBY 1 2 3 IC41 LM7805 D401 DB104 D429 1N4148 C433 2200uF C436 100uF C17 0.1uF/63V C27 0.1uF/63V C12/1 47uF/25V Q421 C1815 R469 10K R468 22K R467 T0=80 degree C D428 1N4148 +18V 1 2 3 4 5 6 7 CB41 CON7 1 2 3 4 5 6 7 CZ4

18、1 CON7 1 2 3 CB42 CON3 1 2 3 CZ42 CON3 1 2 3 CB411 CON3 1 2 3 CZ411 CON3 F45 500mA/250V R440 2K2 +18V 6.3A/250V X3 C320BEE ISC CIRCUIT BCE 2SC5200 2SA1943 E C B 2SA970 2SC2240 2SA1015 2SC1815 TEXT TEXT TEXT E C B 2SB649 2SD669 1 2 3 45 6 7 8 OUT A -IN A +IN A V- V+ OUT B -IN B +IN B TL082D INOUTGND

19、LM7805 UPC1237 1 2 3 4 5 6 7 8 TIC116D AKG RadioFans.CN 收音机爱 好者资料库 2SK369 GDS 1 2 3 4 5 6 7 81 2 3 4 5 6 7 8 9 1: GND +18V -18V LOUT ROUT RIN- RIN+ LIN+ LIN- 2: 3: 4: 5: 6: 7: 8: 9: PRE-AMP MODULE MAIN POT ALPS RK16812MG DISC CD VIDEO AUX TUNER TAPE2 REC1 TAPE1 REC2 R31 470 R33 470 R35 470 C31 100p

20、C33 100p C35 100p R37 470 R39 470 R311 470 C37 100p C39 100p C311 100p R313 470 R315 470 R317 470 C313 100p C315 100p C317 100p C319 0.1u 10% C324 47u/25 C323 47u/25 C325 47u/25 R321 3K3 MF R323 750 MF R319 N.I. R325 390 MF R327 180 MF RT31A 10KA RT32A 10KA C327 22n 5% C329 0.1u 5% R329 1K5 MF R331

21、390 MF C331 0.22u 5% C333 0.97u 5% C335 470P RT33A 20KB RT34A 20K MN 1 2 3 SW31A 4 5 6 SW31B L PRE-OUT Q31 K363 C343 220p D31 10M C339 1u/16 RL31A RL32A RL33A RL34A RL35A RL36A RL37A RL38A DISC CD VIDEO AUX TUNER TAPE2 REC1 TAPE1 REC2 R32 470 R34 470 R36 470 C32 100p C34 100p C36 100p R38 470 R310 4

22、70 R312 470 C38 100p C310 100p C312 100p R314 470 R316 470 R318 470 C314 100p C316 100p C318 100p RL31B RL32B RL33B RL34B RL35B RL36B RL37B RL38B TONE DEFEAT SW R333 4.7K R335 68 C341 47u/25 C320 0.1u 10% C326 47u/25 R322 3K3 MF R324 750 MF R320 N.I. R326 390 MF R328 180 MF RT31B 10KA RT32B 10KA C32

23、8 22n 5% C330 0.1u 5% R330 1K5 MF R332 390 MF C332 0.22u 5% C334 0.97u 5% C336 470P RT33B 20KB RT34B 20K MN R PRE-OUT Q32 K363 C344 220p D32 10M C340 1u/16 TONE DEFEAT SW R334 4.7K R336 68 C342 47u/25 R513 1K R58 10K R511 10K R59 1K R512 1K R510 1K C55 4u7/25V C56 4u7/25V Q56 C1815 Q55 A1015 Q58 C18

24、15 Q57 A1015 M RL31CRL32CRL33CRL34CRL35CRL36C RL37C RL38C D37 1N4148 D38 1N4148 D39 1N4148 D310 1N4148 D311 1N4148 D312 1N4148 D313 1N4148 VOLUME CONROL MOTOR BY MOTOR BY MOTOR R359 5K1 MF R360 5K1 MF R348 100K R347 100K R341 1M R342 1M R343 1M R339 1M R338 1M R337 1M R346 220K R345 220K R349 1M R35

25、1 1M R353 1M R355 1M R357 1M R350 1M R352 1M R354 1M R356 1M R358 1M 1 2 3 4 5 6 7 8 CB34 1 2 3 4 5 6 7 8 9 10 CB31 R493 0 1 2 3 4 5 6 7 8 9 CB32 LOW NOISE AMP MODULE 1 2 3 4 5 6 7 8 9 CB33 LOW NOISE AMP MODULE MF MF R1 100 C1 10n TO CHASSIS TO THE CHASSIS C6 10n R3 100 P8 ON OFF OFF ON TO CZ52 TO C

26、Z51 L-CH INPUTSR-CH INPUTS VOLUME POT VOLUME POT BALANCE POT BALANCE POT BASS POT BASS POT TREBLE POTTREBLE POT SOFT IND. CD VIDEO TUNER AUX TAP2 TAP1 DISC REMOTE MUTE PROTECTION +5V VOL- VOL+ +12V IRIN IROUT 63V 63V 63V 63V 63V 63V 63V 63V 63V 63V +5.6V DISC CD VIDEO AUX TUNER TAP2 TAP1 +12V Pre Mu

27、te -18V +18V +5.6V Soft Ind Remote Mute Protection -18V +18V +18V -18V +5.6V +18V -18V PHONE1B IR OUT PHONE1A IR IN C337 0.1U C345 0.1U C338 0.1UC346 0.1U C321 0.1U C322 0.1U PHONE2 +12V Trigger R2 10C3 0.1uF +12V Standby STANDBY C320BEE INPUT SELECT CIRCUIT ON THE MAIN BOARD C320BEE TONE CONTROL CI

28、RCUIT RI1 1K QI1 2SC1815 RI2 1K QI2 2SA1015 RI3 33 +5V J117 +5V C302 220p C301 10uF/50V RadioFans.CN 收音机爱 好者资料库 Preliminar y STR 1 D 2 CLK 3 OE 15 Q1 4 Q2 5 Q3 6 Q4 7 Q5 14 Q6 13 Q7 12 Q8 11 QS 9 QS 10 IC54 4094 STR 1 D 2 CLK 3 OE 15 Q1 4 Q2 5 Q3 6 Q4 7 Q5 14 Q6 13 Q7 12 Q8 11 QS 9 QS 10 IC55 4094 C

29、59 22p C510 22p Y51 12MHz C57 10n C58 0.1u 20% +5V C511 0.1u 20% +5V C VI TU AU T2 T1 P21 P22 P00 P01 P02 P20 DI S51 VIDEO S52 AUX S54 TAPE2 S53 CD S55 TAPE1 S57 DISC S56 TUNER D51 VIDEO D52 AUX D53 CD D54 TAPE2 D56 TUNER D55 TAPE1 D57 DISC R528 4K7 R529 10K R526 2K2 R527 2K2 SOFT IND. LD41 GREEN R4

30、26 910 Q516 C1815 R533 5K1 C51 100u/16V Q51 A1015 D59 6V8 P24 1 P25 2 P26 3 P27 4 VCC 5 X2 6 X1 7 P31 8 P32 9 P33 10 P00 11 P01 12 P02 13 GND 14 P20 15 P21 16 P22 17 P23 18 IC53 MICOM 2 3 1 IC52 IS1U60L 1 2 3 4 5 6 7 8 CZ51 1 2 3 4 5 6 7 8 9 10 CZ52 R530 15K Q52 C1815 R52 470 R51 680 Q59 C1815 Q510

31、C1815 Q511 C1815 Q512 C1815 Q513 C1815 Q514 C1815 Q515 C1815 R541 4K7 R542 4K7 R543 4K7 R544 4K7 R545 4K7 R546 4K7 R547 4K7 C514 10n C515 10n C516 10n C517 10n C518 10n C519 10n C520 10n CVITUAUT2T1DI CDVIDEOTUNERAUXTAP2TAP1DISC CD VIDEO TUNER AUX TAP2 TAP1 DISC R554 4K7 R553 4K7 R552 4K7 R551 4K7 R

32、550 4K7 R549 4K7 R548 4K7 NAD C 320BEE KEY BOARD LD42 REDGREEN R556 10K R557 10K R558 10K +5V IR RECEIVER V S G AMBER REMOTE MUTE PROTECTION GND VCC VOL- VOL+ +12V +5V +5V +5V REMOTE MUTE PROTECTION VOL+ VOL- SOFT IND. +12V VCC POWER/PROTECTION IND. SOFT CLPPING IND. TO CHASSIS TO CB31 TO CB34 MUTIN

33、G BLINK P9 SHIELDING VCCV S G 123 123 CZ43 CB53 Z86C0812PSC 513AW GREENGREENGREENGREENGREENGREEN W91 W53 W256 N8C320F08 N8C320F06 +5V Q54 C1815 R501 2K2 Q53 C1815 +12V Q517 2SC1815 R503 470 +5V R502 10K NC 1 NC 2 NC 3 Vss 4 SDA 5 SCL 6 NC 7 Vcc 8 IC51 24C01 IR IN IR OUT IR IN IR OUT C52 0.1uF +5V +1

34、2V +12V +12V R508 10K D514 1N4148 C8 220p BACKUP N.I. C61 220p R61 220 R63 1M Q61 2SK369 R65 560 2% R67 1K R69 430 2% Q63 A970 Q67 D667 C63 15p R611 1K Q64 B647 R613 10K D61 1N4148 D62 1N4148 R615 33 C65 0.1u 20% C66 0.1u 20% C69 100p R617 10 R619 10 C62 220p R62 220 R64 1M Q62 2SK369 R66 560 2% R68

35、 1K R610 430 2% Q65 A970 Q68 D667 C64 15p R612 1K Q66 B647 R614 10K D63 1N4148 D64 1N4148 R616 33 C67 0.1u 20% C68 0.1u 20% C610 100p R618 10 R620 10 1 2 3 4 5 6 7 8 9 J61 R621 120 C611 40P LINEIN MODULE GND +18V -18V LOUT ROUT RIN- RIN+ LIN+ LIN- PORT2/0 PORT2/1 PORT2/2 PORT2/3PORT2/4 PORT2/5 PORT2

36、/6 PORT2/7 VCC XTAL2 XTAL1 PORT3/1 PORT3/2PORT3/3 PORT0/0 PORT0/1 PORT0/2 GND 1 2 3 4 5 6 7 8 910 11 12 13 14 15 16 17 18 Z86C0812PSCIC53: D510 1N4148 D511 1N4148 D513 1N4148 D512 1N4148+5V +5V R53 10K R514 10 C550 0.1uF R515 10 C551 0.1uF R516 10 C552 0.1uF C512 0.1u 20% D515 1N4148 TO THE CHASISTO

37、 THE CHASIS TO THE CHASIS NOTE: R514 R515 R516 AND C550 C551 C552 ARE NOT INSERTED IN AH VERSION C320BEE PREAMP MODULE 15P LINEOUT MOULE STR D CLK Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 QS QS OE GND VCC IC54 IC55: CD4094 IC51: 24C01 NC NC NC NC VCC SCL SDAGND E C B 2SA1015 2SC1815TEXT2SK369 GDS 2SD667 2SB647 TEXT: 1: SIGNAL 2: GND 3: VCC IS1U60L513AW 1 2 3123 1: RED INDICATOR 2: COMMON CATHODE 3: GREEN INDICATOR RadioFans.CN 收音机爱 好者资料库