Fostex-6301B-pwr-sch维修电路原理图.pdf

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1、6301B/BX/BE 9 6301B 5. CIRCUIT DIAGRAMS 6301-104 2 1 3 4 W41 1 2 3 VR1 50KA 6301-101 R1 1K 2 1 3 4 W14 R2 56K C8 0.1 C2 1/50 C3 220/35 +VCC1 1 2 5 3 4 U1 TDA2050 2 1 3 W13 6301-103 1 4 2 JK2 2 1 3 W31 EXT SP SP SP1 C10 0.01 R8 10 2 1 W10 PGND1 C1 470P R5 56K C9 0.1 C4 220/35 -VCC1 6301-102 2 1 3 4 W

2、21 1 4 2 JK1 2 1 3 4 W12 R6 15K C5 47/16 R4 1.2K C6 0.012 R7 1K C7 0.1 SGND1 6301-105 D2 POWER LED 2 1 W51 R10 2.2K 2 1 W15 +VCC1 PGND1 AC POWER IN P1 T1 S1 Z1 ORG BLK ORG 4 2 1 3 D1 W11 C11 4700/35 C12 4700/35 +VCC1 PGND1SGND1 -VCC1 RadioFans.CN 收音机爱 好者资料库 10 6301B/BX/BE 6301BX 1 ORG 2 1 3 W62 6301

3、-106 T2 1 BRN R31 5.1K R34 1K RED WHT GND BALANCE INPUT 3 21 J3 6301-102 1 RED R32 5.1K 1 2 3 CN1 2 1 3 WIPT 6301-1041 YEL 1 BLK 2 1 3 4 W41 1 2 3 VR1 50KA 6301-101 C3 220/35 +VCC1 EXT SP 6301-103 SP1 1 4 2 JK2 2 1 3 W13 2 1 3 W31 C10 0.01 C8 0.1 C9 0.1 R8 10 1 2 5 3 4 U1 TDA2050 R1 1K C1 470P R2 56

4、K C2 1/50 R27 3.9K C23 10/16 2 1 3 4 W14 SGND 6 5 7 U2B 4560 R23 3.9K R25 3.9K JP6 R22 1K +VCC -VCC 2 3 8 4 1 U2A 4560 R24 10K C21 NON 2 1 3 CN2/W26 R21 NON SGND JP7 UNBALANCE INPUT 1 4 2 JK1 ZD1 15B2 C22 NON +VCC SGND SGND SGND R28 1K R26 NON R4 1.2K R5 56K R6 15K C6 0.012 R7 1K C7 0.1 C4 220/35 -V

5、CC1 2 1 W10 PGND1 SP 6301-105+VCC1 SGND1 C5 47/16 2 1 3 4 W12 2 1 3 4 W21 R29 1K C24 47/25 C25 47/25 ZD2 15B2 SGND -VCC S1 Z1 P1 ORG T1 W11 4 2 1 3 D1 R10 2.2K +VCC1 D2 POWER LED 2 1 W15 PGND1 2 1 W51 C11 4700/35 C12 4700/35 -VCC1 SGND1PGND1 BLK ORG AC POWER IN RadioFans.CN 收音机爱 好者资料库 6301B/BX/BE 11

6、 6301BE 6301-104 6301-102 R23 3.9K 2 1 3 4 W41 1 2 3 VR1 50KA 6301-101 C8 0.1 C3 220/35 +VCC1 EXT SP SP 6301-103 SP1 1 4 2 JK2 2 1 W10 2 1 3 W31 2 1 3 W13 C10 0.01 C9 0.1 C4 220/35 R8 10 -VCC1 1 2 5 3 4 U1 TDA2050R1 1K C1 470P R2 56K C2 1/50 R27 3.9K C23 10/16 2 1 3 4 W14 SGND 6 5 7 U2B 4560 R25 3.9

7、K JP6 R26 10K R22 10K +VCC -VCC 2 3 8 4 1 U2A 4560 JP7 1 2 3 CN2/W26 R21 10K C21 10/16 C22 10/16 R24 NON SGND SGND SGND RED WHT GND BALANCE INPUT 3 21 J3 2 1 3 WIPT UNBALANCE INPUT 1 4 2 JK1 C24 47/25 ZD1 15B2 +VCC SGND R28 1K 2 1 3 4 W12 2 1 3 4 W21 C5 47/16 R4 1.2K R5 56K R6 15K C6 0.012 R7 1K C7 0.1 PGND1 6301-105 D2 POWER LED 2 1 W15 2 1 W51 R10 2.2K +VCC1 SGND1 R29 1K C25 47/25 ZD2 15B2 SGND -VCC AC POWER IN S1 Z1 P1 ORG BLK T1 W11 4 2 1 3 D1 C11 4700/35 +VCC1 PGND1 C12 4700/35 -VCC1 SGND1PGND1 ORG RadioFans.CN 收音机爱 好者资料库