Accuphase-D9-riaa-sch维修电路原理图.pdf

《Accuphase-D9-riaa-sch维修电路原理图.pdf》由会员分享，可在线阅读，更多相关《Accuphase-D9-riaa-sch维修电路原理图.pdf（1页珍藏版）》请在收音机爱好者资料库上搜索。

1、Left Termal coupling S1 MM-MCS3 MC LoadS5 Subsonic On/Off 1,2 ON 3,4 ON All OFF 10 30 100 All ONMC All OFF MM MM 36dB / 47K MC 62dB / Load All ON All OFF ON OFF 25Hz / -12dB/Oct Allways set SW for both channel to same postition Same schematic for right channel Part naming left# + 1 R1 Left becomes R

2、2 Right 1% tolerance 5% tolerance 1% tolerance Mylar (Polyester) +/-5% Low ESR Low ESR KK160129-AD-9 0.0.1 Accuphase AD-9 Reengineering from PCB Left Out GNDA No official schematic! NO WARRANTY ! 2SK3712SK371 24K 47p 220 GND R1 GND 2sc25472sc2547 47 4n7 +V 750 750 95.3 GND 470 2sc3329 1M 2sc3329 1M

3、2SC2547 470 -V 21K +V 4.02 GND 1M5 11 43,2 100 15n GND -V 22u/25 22u/25 1n5 1n5 GND PSG015 GND NJM4580 220 10n GND 56n 4.22K 360K 18n 1n5 46.4K NJM4580 68K 15K 22u GND 0.68u 68K 15K GND GND 523 100K 220u/2522u/25 2SC2547 33 3k3 100 220u/25 GND 220u/25 22u/25 33 3k3 100 220u/25 GND 2SA1085 -V +V GNDA

4、 100n GND Con 32PolCon 32Pol GND Right Out Q1 D SG Q3 D SG D1 R15 C5 R5 75K Q11Q9 R17 C9 R11 R9 R31 R19 Q5 R21 Q7 R23 Q13 R27 R13 18 S1-1 27 S1-2 36 S1-3 45 S1-4 R29 R7 R25 R53 R3 C8 18 S3-1 36 S3-3 C3 C2 C31 C30 3 4 U$1 1 6 5 7 IC1B R45 C21 C15 R33 R35 C11 C13 R37 6 5 7 IC2B 27S5-2 36S5-3 45 S5-4 R

5、41 R49 C19 C17 R43 R51 R39 R47 C23 C27 Q15 R57 R59 D5 R55 C25 C24C28 R60 R58 D2 R56 C26 Q16 C33 RX RY CXCY X1-1X1-2 X1-3X1-4 X1-5X1-6 X1-7X1-8 X1-9X1-10 X1-11X1-12 X1-13X1-14 X1-15 X1-16 X1-17 X1-18 X1-19 X1-20 X1-21 X1-22 X1-23 X1-24 X1-25 X1-26 X1-27X1-28 X1-29X1-30 X1-31X1-32 D3 + + + + + + + + RadioFans.CN 收音机爱 好者资料库