Nobels_bc30_bassamp 电路图 维修原理图.pdf

《Nobels_bc30_bassamp 电路图 维修原理图.pdf》由会员分享，可在线阅读，更多相关《Nobels_bc30_bassamp 电路图 维修原理图.pdf（1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 ?25C?5USdb_YSc Barnerstrasse 42, 22765 Hamburg, Germany - email: 1 Nobels BC-30 Bass Amplifier 1 27-Jan-200017:50:01 R:$PROAMPSBC-30DSGNBC-30_3.SCH Title Size: Number: Date: File: Rev: Sheetof Time: A4 CIRCUIT DIAGRAM All unspecified capacitors in uF, resistor

2、s carbon 5%All rights reserved - Copyright NOBELS Electronics TREBLE INPUT VOLUME LINE OUT HEADPHONES V+ V- C11 10n C2 1/50 C3 1/50 R4 1M R1 2k2 R2 1M R0 2k2 2 4 1 J1 HTJ-064-D1C2 2 4 1 J2 HTJ-064-D1C2 R33 150k R5 47k R8 47K R7 220 R36 10k R28 47k R29 4k7 R25 10 1/2W C15 180p C16 3.3/50 C6 0.47/50 C

3、7 100n C24 10n C18 10n C19 1/50 13 2 P1 5KB 13 2 P3 100KA 13 2 P4 5KB 13 2 P2 100KA R68 220/2W R35 47k R27 1M 13 2 P6 100KA C14 47n LS1 HB100-30 6 5 4 3 2 7 8 9 1 J3 064-05A V+ 23?# ?2Qcc?1YVYUb R6 3k9 C5 1n 2 4 1 J4 HTJ-064-D1C2 EXT. SPEAKER 6 5 7 U1B KA4558 2 3 1 84 U1A KA4558 C4 180p 6 5 7 U2B KA

4、4558 R30 47k R31 6k8 C17 180p 2 3 1 84 U2A KA4558 13 2 P5 50KC 2 1 J3 064-05E C8 1/50 J5 AC 230V 50Hz Power Cord SW1 SW SPST F1 FUSE 250V T1A T1 HT-30S -+ D3-06 KBPC102 C23 3300/35 C22 3300/35 R37 2k2 R38 2k2 C20 47/50 C21 47/50 D1 15V D2 15V Primary: AC 230V 50Hz Secondary: AC 19V x2 1,5A V+ A+ V-

5、A- 3 21 Q1 C1815 3 21 Q2 C1815 R14 18k R13 820 R12 47k R16 22k R15 1k5 R18 390 R19 2k2 C9 4.7/50 C10 330p C12 22/25 3 21 Q4 C3198 3 21 Q3 A1015 R17 470 C11 100p 3 21 Q? C2235Y 3 21 Q7 D525Y R23 0.5/3W R24 0.5/3W R21 220 3 21 Q6 D525Y 3 21 Q6 A965Y R22 220 R20 2k2 C13 47n V- BASS MID PRESENCE MASTER A+ A- HI LO SPEAKER 收音机爱好者资料库 Ra d i o Fa n s .CN