Nobels_odrs_overdrivespecial 电路图 维修原理图.pdf

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1、123456 A B C D E F 654321 F E D C B A 1 12%(/6?(/(&7521,&6 Barnerstrasse 42, 22765 Hamburg, Germany - email: 1 OVERDRIVE - SPECIAL / ODR-S 5 4-Feb-2000 18:31:47 R:$PROPEDSDSGNODR-SODR-S_SM.SCH Title Size: Number: Date: File: Rev: Sheetof Time: A4 CIRCUIT DIAGRAM All unspecified capacitors in uF, res

2、istors carbon 5%All rights reserved - Copyright NOBELS Electronics OUTPUT LEVEL green DRIVE MID Power BYPASS INPUT low-curr XON XOFF XOFF PON PON XON XON 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 64 987 12 11 10 15 14 13 16 17 3 2 15 V-V- V- V- V+ V- V- V-V- V+ V- V- V- Vs V+ V-V-V-V- V+ V- V- V-V-

3、V+ V- V+ V- V- V- V- Vs V-V-V-V- V- V- V+ V+ V+ 500KA 50KB 30KC 50KB 50KA HI LO C101 1N C102 10N 5 4 1 J4 J7001 2 1 B1 SNAP R102 100K C20 3.3 R109 1M C23 1 C24 12N R104 1M C40 33N R40 3M3 R41 160K R42 10K R43 330K R44 330K C50 1 R50 200K C51 3.3 R51 2K2 R108 1M R203 100 C203 47 C202 220 C41 1 R107 1

4、M C103 47N R2 1M R1 33K C105 47N C104 47N R20 10K 3 21 Q1 BC264D C11 68N R103 100K R105 1K5 R110 2K2 R4 330K C1 0.22 R3 3K3 C10 0.1 R5 330K C30 1 C31 0.1 R31 5K6 C34 8N2 C35 1N8 C36 22N R35 4K7 C37 1N C12 2.2 R30 10K R34 5K6 R36 10K R37 15K C21 3N9 R21 47K R10 2K7 R11 10K R12 1K R13 1K8 R14 1K R23 2

5、2K R25 200K R26 3K3 C26 56N C27 2N7 3 4 2 15 U2A 4558S 7 6 8 9 U2B 4558S 3 4 2 15 U1A 4558S 7 6 8 9 U1B 4558S R24 1K5 C32 18N C33 33N C38 82N C42 1 C39 1 C13 10N C14 150P R33 10K 3 2 1 J3 J8004 12 D201 4001 12 D1 4148 12 D2 4148 12 D3 AA112 12 D4 AA112 12 D5 4148 12 D6 4148 12 D7 4148 3 21 Q2 C1571G

6、 3 21 Q4 C1571G 3 21 Q5 K222E 3 2 1 J1 J8004 3 2 1 J2 J8004 3 21 Q3 K222E 3 21Q6 K30A-Y 3 21 Q7 K30A-Y R22 12K C25 330P R32 2K4 R52 200K C201 470 R201 10K R202 10K R45 330K R101 470K 12 D101 4148 2 1 3 SW101A SW2204 5 4 6 SW101B SW2204 1A 3 2A 6 3A 10 1SP 2 1DP 1 1DN 5 1SN 4 VDD 14 2DP 13 2DN 8 VSS 7 3SP 11 3Y 12 3SN 9 U101 14007 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 17 16 JP1 Control PCB 收音机爱好者资料库 Ra d i o Fa n s .CN