Nobels_gc16r 电路图 维修原理图.pdf

《Nobels_gc16r 电路图 维修原理图.pdf》由会员分享，可在线阅读，更多相关《Nobels_gc16r 电路图 维修原理图.pdf（2页珍藏版）》请在收音机爱好者资料库上搜索。

1、123456 A B C D E F 654321 F E D C B A 1 =C?=ecYS?CUbfYSU?7R8 Barnerstrasse 42, 22765 Hamburg, Germany - email: 2 NOBELS: AMP GC-16/16R 4b 27-Jan-200017:51:28 R:$PROAMPSGC-16DSGNGC16R_4B.SCH Title Size: Number: Date: File: Rev: Sheetof Time: A4 Circuit Diagram (c) Copyright 1997 - ALL RIGHTS RESERVED

2、 All unspecified capacitors in uF, resistors carbon 5% SHIFT Drive BassMid Drive Volume Treble Clean Volume Power Transformer Hi Lo Input-PCB Main-PCB to Speaker Phones Reverb On-Off Reverb Rev-PCB (Power Amp) Y1 To PAFrom PA V+ V+ V+ VP- VP+ V- V- V+ V+ V- V+ V- V+ V- V+ V- V+ V+ V+ V- (wire) Rever

3、bCircuit R84: GC-16 only! GC-16R only! MT-15S (wire) ext. Speaker Note: J5 is an isolated jack! shielded cable! 2 Springs 600-2.2K Speaker ML080815 Changed:OldNewReason: R803K910Kmore reverb 22uH more volumeR3310K4K7 kill HFL81W9 R3 2K D3 4001 D4 4001 D1 4001 D2 4001 3 4 2 15 U3A 4558S 13 2 P3 10KB

4、D21 LED D22 LED 13 2 P2 50KA 3 4 2 15 U4A 4558S R21 2K7 C21 82N C13 120P C14 1 C16 3N3 C23 22N C24 82N R24 1K5 C26 2N2 R23 820 C27 1 R25 10K D23 4148 D24 4148 C33 1N C34 1N R33 4K7 13 2 P4 50KA D5 LED C31 10N R31 10K R32 10K C41 1 C42 22N R42 680 R44 33K 3 21 Q41 C2362G 3 21 Q42 C2362G 3 21 Q43 C236

5、2GC44 5N6 C46 3N3 R46 1K2 R49 220 R50 82K R48 33K R41 2K2 R52 10K R53 10K C45 22N C43 56N C48 1N C47 2N2 13 2 P1 100KA C32 4N7 C12 10N C25 3.3 7 6 8 9 U3B 4558S 2 1 3 SW1A SS22F32 5 4 6 SW1B SS22F32 I 3 O 1 - 2 U1 78L15 O 3 - 1 I 2 U2 79L15 C2 100N C1 100N C3 100N C4 100N C22 0.1 R13 10K R14 10K R16

6、 160K C15 2N7 R11 56K R12 56K C11 0.1 1 2 JP1 SIP2 1 2 JP2 SIP2 2 4 1 J2 AMJ200 2 4 1 J1 AMJ200 1 2 3 4 JP4 Sip4 R22 10K R26 680 R45 680 C5 2200 C6 2200 3 4 2 15 U5A 4558S 7 6 8 9 U5B 4558S R87 1K C81 22N C83 33 C86 47P R82 10K 7 6 8 9 U4B 4558S 13 2 P8 250KB 13 2 P5 50KB R81 56K 13 2 P6 50KB 13 2 P

7、7 50KB 1 2 JP6 SIP2 1 2 JP5 SIP2 5 4 3 2 7 8 1 J3J60 R84 1K C28 6N8 R18 36K R19 10K R17 1M C35 2.2 R83 18K R85 4K7 R86 4K7 C85 33 R75 220/2W 2 4 1 J5 J8003 2 4 1 J4 J8003 R51 33K C84 15N C82 33 + 6 - 4 IN- 2 IN+ 3 GN1 1 GN2 8 OUT 5 BYP 7 U6 LM386 R15 1M R43 120K R47 120K 1 2 3 4 H1 REVERB R80 10K L8

8、1 22uH List of Changes: X1 1 JP3A XSIP2 2 JP3B XSIP2 160Kmore gainR16120K 27Kmore gainR6618K 收音机爱好者资料库 Ra d i o Fa n s .CN 12345 A B C D E 54321 E D C B A 2 NOBELS ELECTRONICS Barnerstrasse 42, 22765 Hamburg, Germany - email: 2 NOBELS: POWER AMP GC-16R 4b 15-Apr-200300:05:56 GC16_PA_4B.sch Title Siz

9、e: No.: Date: File: Rev: Sheetof Time: A4 Circuit Diagram All unspecified capacitors in F, resistors carbon 5% All rights reserved - Copyright NOBELS Electronics e.K. 21V DC -21V DC Out PAout VP+ VP- Replacement: BD243 : TIP41C A1016G: A1268G C2362G: C3200G R68,69,74 = 1/2W R61 1K C61 0.1 3 21 Q61 C

10、2362G 12 D61 4148 12 D62 4148 R71 220 C64 100 R63 4K7 R70 220 C63 100P 3 21 Q62 C2362G 3 21 Q64 C2362G 3 21 Q65 A1016G 3 21 Q66 BD243B 3 21 Q67 BD243B 12 D41 4148 12 D42 4148 R62 27K R55 1K8 R64 68K R65 1K2 C62 10 R72 0.5/2W R73 0.5/2W C65 120PR67 51 3 21 Q63 A1016G C66 33P C66 33P C66 0.1 R74 10/0.5W R68 2K4/0.5W R69 2K4/0.5W R66 27K 收音机爱好者资料库 Ra d i o Fa n s .CN