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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 A/B-V Analog A/B Switcher 1 27-Jan-200018:00:50 R:$PROCMPCTAB-VDSGNABV1.SCH Title Size: Number: Date: File: Rev: Sheetof Time: A4 CIRCUIT DIAGRAM All unspecified capacitors in uF, resistors
2、 carbon 5%All rights reserved - Copyright NOBELS Electronics INPUT A INPUT B OUTPUT A OUTPUT B REMOTE SWITCH TEST POWER POWER ON XOFFXON YOFF YOFF XON YON YON XOFF AOX AOYBOY BOX AIY BIY AIX BIX AOY BOYBOX AOX AIYAIX BIYBIX V+ V+ V- V+ V- V-2V-2 V-2V-2 V+2 V+2 V-2 V-2V-2 V-2 V+2 V-2V-2 V-2V-2 V+2V+2
3、 V-2V-2V-2V-2V-2 V+2V+2V+2V+2V+2 V-2V-2 V-2V-2 V-2 R12 1M R82 1M 3 21 Q11 K222E C2 47 C1 100 13 2 P2 V9 30KB C82 2.2 13 2 P1 V9 30KB C51 47N R61 330K 3 21 Q51 K30A-Y 3 21 Q21 K30A-Y R5 10K R1 100 7 6 8 9 U1B 4558S C81 22N 3 4 2 15 U1A 4558S D1 LED 2 4 1 J5 J8003 2 4 1 J1 J8003 2 4 1 J2 J8003 2 4 1 J
4、3 J8003 2 4 1 J4 J8003 C61 2.2 12 D21 4148 R64 200K C62 3.3 C72 3.3 1 2 3 4 5 6 7 8 9 JP2 SIP9 1 2 3 4 5 6 7 8 9 JP1 SIP9 3 21 Q1 C1571G 5 4 6 SW1B SK22F02 2 1 3 SW1A SK22F02 R4 3K3 R2 1K5 R3 22K R7 10K R8 1K D4 LED R74 200K R75 2K2 R51 1M R71 330K 3 21 Q41 K30A-Y R31 1M C31 47N R15 330K C11 22N R11 33K R13 3K3 C12 2.2 R85 330K R83 3K3 R81 33K 3 21 Q81 K222E 12 D3 4001 R63 1K R65 2K2 3 21 Q31 K30A-Y 12 D31 4148 12 D41 4148 C71 2.2 12 D51 4148 R73 1K R6 8K2 R62 12K R72 12K 5 4 1 J6 J7001 收音机爱好者资料库 Ra d i o Fa n s .CN