BKComponents-AV1260-pwr-sch维修电路原理图.pdf

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1、$9?$9?$9?$9? SERVICE MANUAL B&K COMPONENTS, LTD. 2100 Old Union Road Buffalo, New York 14227-2725 U.S.A. RadioFans.CN 收音机爱好者资料库 3LFWXUHV3LFWXUHV B&K COMPONENTS, LTD. 2100 Old Union Road Buffalo, New York 14227-2725 U.S.A. RadioFans.CN 收音机爱好者资料库 POWER ON/OFF MULTI - ZONE AMPLIFIERAV1260B&K Componen

2、ts, Ltd. AV1260 Amplifier VOLTAGE A.C.LINE FUSE CAUTION: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH SAME TYPE AND VALUE. SERIAL NUMBER AV1260 Amplifier 7/8 1/2 9/10 3/4 11/12 5/6 OUT OUT OUT OUT OUT OUT CTRL 7/8 CTRL 1/2 CTRL9/10 CTRL 3/4 CTRL 11/12 CTRL 5/6 7 1 9 3 11 5 IN IN I

3、N IN IN IN OUT OUT OUT OUT OUT OUT IN IN IN IN IN IN 8 2 10 4 12 6 IN IN IN IN IN IN IN IN MASTER B CONTROL OUT MASTER A CONTROL OUT OUT OUT BUS B BUS A IN IN IN IN OUT OUT 1234 ON 1234 ON 1234 ON 1234 ON 1234 ON 1234 ON MIN MIN MIN MIN MIN MIN MAX MAX MAX MAX MAX MAX 1234 ON 1234 ON 1234 ON 1234 ON

4、 1234 ON 1234 ON LEVEL LEVEL LEVEL LEVEL LEVEL LEVEL OUT OUT OUT OUT OUT OUT OUT 12OUT 11OUT 10OUT 9OUT 8OUT 7OUT 6OUT 5OUT 4OUT 3OUT 2OUT 1 AMP ON L+R SENSE BUS AMP ON L+R SENSE BUS AMP ON L+R SENSE BUS AMP ON L+R SENSE BUS AMP ON L+R SENSE BUS AMP ON L+R SENSE BUS POWER ON/OFF MULTI - ZONE AMPLIFI

5、ER AV2600B&K Components, Ltd. AV2600 Amplifier VOLTAGE A.C.LINE FUSE CAUTION: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH SAME TYPE AND VALUE. OUT 6 PLUSPLUSPLUSPLUSPLUSMINUSMINUSMINUSMINUSMINUS OUT 5OUT 4OUT 3OUT 2OUT 1 SERIAL NUMBER PLUSMINUS AV2600 Amplifier 1/23/45/6OUTOUTOUT

6、 CTRL 1/2CTRL 3/4CTRL 5/6 135INININ OUTOUTOUTINININ246INININ IN MASTER CONTROL OUT OUT BUS ININOUT 1234 ON 1234 ON 1234 ON MINMINMINMAXMAXMAX AMP ON L+R SENSE BUS 1234 ON 1234 ON 1234 ON LEVELLEVELLEVEL OUTOUTOUT AMP ON L+R SENSE BUS AMP ON L+R SENSE BUS 6FKHPDWLFV6FKHPDWLFV B&K COMPONENTS, LTD. 210

7、0 Old Union Road Buffalo, New York 14227-2725 U.S.A. 1234 A B C D 4321 D C B A Title NumberRevisionSize A Date:20-Apr-2000Sheet of File:C:ShaneMulti_Zone6 Ch Amp6-12chDDB12926a00.ddbDrawn By: R69 1K R70 1K CH 2 IN 25 W R CON3 CH 1 OUT CH 2 OUT 1I/O_0 12 1I/O_1 13 2I/O_0 2 2I/O_1 1 3I/O_0 5 3I/O_1 3

8、1S 11 2S 10 3S 9 EN 6 1O/I 14 2O/I 15 3O/I 4 VCC 16 GND 8 VEE 7 U9 74HC4053 18 27 36 45 SW1 SW-DIP-4 +5 C6 .033uF 3 2 1 84 U3A 353 5 6 7 U3B 353 R10 221 R47 100K R48 100K R11 221 -5 +5 C7 .033uF C8 .033uF R23 10K +5 3 2 1 84 U4A 353 R81 5.62 R84 1M -5 +5 C9 .033uF C10 .033uF R85 1M R71 1K D3 1N4148

9、+ C28 100uF 25V R72 1K R86 1M R49 100K R50 100K CH 1 IN CHANNELS 1-2 12 34 JP4 12 34 JP5 PR1 DUALPOT CH 2 USE VOL NO VOL JUMPER CH 1 USE VOL NO VOL JUMPER BUS IN LEFT BUS IN RIGHT BUS IN RIGHT BUS IN LEFT CH 1 OUT CH 2 OUT 2600 / 1260 Channels 1-2 input 12926Rev A 1 of 5 B T CON7 D4 1N4148 R12 1K CH

10、 1-2 CONTROL ZD1 1N748 ZD2 1N748 CH 1-2 INPUTS CH 1-2 CTRL IN/OUT VOLUME USE/BYPASS SENSE CIRCUIT KEY - DIP SWITCH SETTINGS BUS - CHANNEL MONO - STEREO SENSE - CONTROL CH ON - CONTROL 1S/2S HIGH=CHANNEL 1S/2S LOW=BUS 3S HIGH=CONTROL 3S LOW=SENSE 74HC4053 KEY LEFT/RIGHT OUT BUFFERS R24 10K 5 6 7 U4B

11、353 D5 1N4148 R3 100 R25 10K +C29 1uF 25V C11 .033uF -5 ON MASTER ctrl R26 10K R53 100K R93 47.5K D6 1N4148 OFF AMP EN 1-2 1-2 SENSE 1-2 CTRL 1-2 BUS/CH 1-2 SENSE ON/OFF 1-2 ON 1-2 RIGHT OUT 1-2 LEFT OUT ON OFF - SBS R52 100K R58 100K R46 1K R51 1K R66 1K R97 1K R65 100 R59 100 C34 .12uF C35 .12uF R

12、96 10K 1234 A B C D 4321 D C B A Title NumberRevisionSize A Date:20-Apr-2000Sheet of File:C:ShaneMulti_Zone6 Ch Amp6-12chDDB12926a00.ddbDrawn By: R73 1K R74 1K CH 4 IN 25 W R CON4 CH 3 OUT CH 4 OUT 1I/O_0 12 1I/O_1 13 2I/O_0 2 2I/O_1 1 3I/O_0 5 3I/O_1 3 1S 11 2S 10 3S 9 EN 6 1O/I 14 2O/I 15 3O/I 4 V

13、CC 16 GND 8 VEE 7 U10 74HC4053 18 27 36 45 SW2 SW-DIP-4 +5 C12 .033uF 3 2 1 84 U5A 353 5 6 7 U5B 353 R13 221 R54 100K R55 100K R14 221 -5 +5 C13 .033uF C14 .033uF R27 10K +5 3 2 1 84 U6A 353 R82 5.62 R87 1M -5 +5 C15 .033uF C16 .033uF R88 1M R75 1K D7 1N4148 + C30 100uF 25V R76 1K R89 1M R56 100K R5

14、7 100K CH 3 IN CHANNELS 3-4 12 34 JP6 12 34 JP7 PR2 DUALPOT CH 4 USE VOL NO VOL JUMPER CH 3 USE VOL NO VOL JUMPER BUS IN LEFT BUS IN RIGHT BUS IN RIGHT BUS IN LEFT CH 3 OUT CH 4 OUT B T CON8 D8 1N4148 R15 1K CH 3-4 CONTROL ZD3 1N748 ZD4 1N748 CH 3-4 INPUTS CH 3-4 CTRL IN/OUT VOLUME USE/BYPASS SENSE

15、CIRCUIT KEY - DIP SWITCH SETTINGS BUS - CHANNEL MONO - STEREO SENSE - CONTROL CH ON - CONTROL 1S/2S HIGH=CHANNEL 1S/2S LOW=BUS 3S HIGH=CONTROL 3S LOW=SENSE 74HC4053 KEY LEFT/RIGHT OUT BUFFERS R28 10K 5 6 7 U6B 353 D9 1N4148 R4 100 R29 10K +C31 1uF 25V C17 .033uF -5 ON MASTER ctrl R30 10K R60 100K R9

16、4 47.5K D10 1N4148 OFF AMP EN 3-4 3-4 SENSE 3-4 CTRL 3-4 BUS/CH 3-4 SENSE ON/OFF 3-4 ON 3-4 RIGHT OUT 3-4 LEFT OUT ON OFF - 2600 / 1260 Channels 3-4 input 12926Rev A 2 of 5 SBS R100 100K R101 100K R98 1K R99 1K R104 1K R106 1K R103 100 R102 100 C36 .12uF C37 .12uF R105 10K 1234 A B C D 4321 D C B A

17、Title NumberRevisionSize A Date:20-Apr-2000Sheet of File:C:ShaneMulti_Zone6 Ch Amp6-12chDDB12926a00.ddbDrawn By: R77 1K R78 1K CH 6 IN 25 W R CON5 CH 5 OUT CH 6 OUT 1I/O_0 12 1I/O_1 13 2I/O_0 2 2I/O_1 1 3I/O_0 5 3I/O_1 3 1S 11 2S 10 3S 9 EN 6 1O/I 14 2O/I 15 3O/I 4 VCC 16 GND 8 VEE 7 U11 74HC4053 18

18、 27 36 45 SW3 SW-DIP-4 +5 C18 .033uF 3 2 1 84 U7A 353 5 6 7 U7B 353 R16 221 R61 100K R62 100K R17 221 -5 +5 C19 .033uF C20 .033uF R31 10K +5 3 2 1 84 U8A 353 R83 5.62 R90 1M -5 +5 C21 .033uF C22 .033uF R91 1M R79 1K D11 1N4148 + C32 100uF 25V R80 1K R92 1M R63 100K R64 100K CH 5 IN CHANNELS 5-6 12 3

19、4 JP8 12 34 JP9 PR3 DUALPOT CH 6 USE VOL NO VOL JUMPER CH 5 USE VOL NO VOL JUMPER BUS IN LEFT BUS IN RIGHT BUS IN RIGHT BUS IN LEFT CH 5 OUT CH 6 OUT B T CON9 D12 1N4148 R18 1K CH 5-6 CONTROL ZD5 1N748 ZD6 1N748 CH 5-6 INPUTS CH 5-6 CTRL IN/OUT VOLUME USE/BYPASS SENSE CIRCUIT KEY - DIP SWITCH SETTIN

20、GS BUS - CHANNEL MONO - STEREO SENSE - CONTROL CH ON - CONTROL 1S/2S HIGH=CHANNEL 1S/2S LOW=BUS 3S HIGH=CONTROL 3S LOW=SENSE 74HC4053 KEY LEFT/RIGHT OUT BUFFERS R32 10K 5 6 7 U8B 353 D13 1N4148 R5 100 R33 10K +C33 1uF 25V C23 .033uF -5 ON MASTER ctrl R34 10K R67 100K R95 47.5K D14 1N4148 OFF AMP EN

21、5-6 5-6 SENSE 5-6 CTRL 5-6 BUS/CH 5-6 SENSE ON/OFF 5-6 ON 5-6 RIGHT OUT 5-6 LEFT OUT ON OFF - 2600 / 1260 Channels 5-6 input 12926Rev A 3 of 5 SBS R109 100K R110 100K R107 1K R108 1K R113 1K R115 1K R112 100 R111 100 C38 .12uF C39 .12uF R114 10K 1234 A B C D 4321 D C B A Title NumberRevisionSize A D

22、ate:20-Apr-2000Sheet of File:C:ShaneMulti_Zone6 Ch Amp6-12chDDB12926a00.ddbDrawn By: B T CON1 CTRL I/O R1 100 +5 D1 1N4148 R6 1K MASTER R19 10K +C1 1uF 25V D2 1N4148 R2 100 3 2 1 84 U1A 353 5 6 7 U1B 353 R35 221 R39 100K R40 100K R36 221 -5 +5 C2 .033uF C3 .033uF L BUS OUT 25 W R CON2 3 2 1 84 U2A 3

23、53 5 6 7 U2B 353 R37 221 R41 100K R42 100K R38 221 -5 +5 C4 .033uF C5 .033uF R BUS OUT BUS L OUT BUS L IN BUS R OUT BUS R IN R7 1K R8 1K R9 1K MASTER ctrl LEFT AND RIGHT BUS 12 34 56 78 910 JP1 12 34 56 78 910 JP2 12 34 56 78 910 JP3 CH 2 OUT CH 4 OUT CH 3 OUT CH 1 OUT CH 6 OUT CH 5 OUT CHANNEL OUTP

24、UT CONNECTORS MASTER CONTROL I/O BUS IN LEFT BUS IN RIGHT -5+5 W1 +5 W2 GNDR W3 -5 -5+5 +5 W4 LED+ W5 LED- + C24 10uF 25V + C25 10uF 25V + C26 100uF 25V +C27 100uF 25V W6 GND R68 Jumper AMP EN 1-2 AMP EN 3-4 AMP EN 5-6 R20 10K R21 10K R22 10K CON6 CON10 CON11 2600 / 1260 Bus - Control 12926Rev A 4 o

25、f 5 SBS R43 1K R44 1K R45 221 1 2 3 4 5 CON12-5+5 123456 A B C D 654321 D C B A Title NumberRevisionSize B Date:20-Apr-2000Sheet of File:C:ShaneMulti_Zone6 Ch Amp6-12chDDB12927a00.ddbDrawn By: OUT 2 V- V+ R1 .1 5W R7 402 R13 6.34K R14 2.26K R25 33.2K R26 47.5K +C1 100uF 100V +C2 100uF 100V + C13 100

26、uF 25V + C19 10uF 25V C25 .12uF C26 .12uF VIN+ 10 VIN- 9 OUT 3 V+ 1 V+ 5 GND 7 V- 4 MUTE 8 U1 LM3886 OUT 1 V- V+ R2 .1 5W R8 402 R15 6.34K R16 2.26K R27 33.2K R28 47.5K +C3 100uF 100V +C4 100uF 100V + C14 100uF 25V + C20 10uF 25V C27 .12uF C28 .12uF VIN+ 10 VIN- 9 OUT 3 V+ 1 V+ 5 GND 7 V- 4 MUTE 8 U

27、2 LM3886 Q1 2N5401 Q7 2N5551 D1 1N4148 D2 OPEN D4 1N4148 D5 1N4148 R37 24.3K R38 10K R49 1K R67 OPEN R73 33.2K R79 133 R50 1K R85 JUMPER V- V+ 12 34 56 78 910 JP1 Q13 2N5210 2600 / 1260 Channel 1-2 output 12927Rev A 1 of 4 CON1 CON2 CON3 CON4 W1 V+ W2 V- W3 V+1 W4 V-1 V+V-V+1V-1 W5 GND W6 GND SBS ZD

28、4 Jumper ZD5 1N5250B ZD2 1N965 ZD1 Jumper ZD3 Jumper + C37 100uF 25V D3 11DQ09 W7 W8 D6 OPEN R39 3.01K D7 11DQ09 D8 OPEN W9 W10 R40 1K R43 1K Channels 1-2 123456 A B C D 654321 D C B A Title NumberRevisionSize B Date:20-Apr-2000Sheet of File:C:ShaneMulti_Zone6 Ch Amp6-12chDDB12927a00.ddbDrawn By: OU

29、T 4 V- V+ R3 .1 5W R9 402 R17 6.34K R18 2.26K R29 33.2K R30 47.5K +C5 100uF 100V +C6 100uF 100V + C15 100uF 25V + C21 10uF 25V C29 .12uF C30 .12uF VIN+ 10 VIN- 9 OUT 3 V+ 1 V+ 5 GND 7 V- 4 MUTE 8 U3 LM3886 OUT 3 V-1 V+1 R4 .1 5W R10 402 R19 6.34K R20 2.26K R31 33.2K R32 47.5K +C7 100uF 100V +C8 100u

30、F 100V + C16 100uF 25V C31 .12uF + C22 10uF 25V C32 .12uF VIN+ 10 VIN- 9 OUT 3 V+ 1 V+ 5 GND 7 V- 4 MUTE 8 U4 LM3886 Q3 2N5401 Q9 2N5551 D11 1N4148 D14 1N4148 D15 1N4148 R41 24.3K R42 10K R53 1K R69 OPEN R81 133 R54 1K R87 JUMPER V- 12 34 56 78 910 JP2 Q15 2N5210 R55 1K CON5 CON6 CON7 CON8 2600 / 12

31、60 Channel 3-4 output 12927Rev A 2 of 4 SBS D12 OPEN R47 33.2K V+1 ZD9 Jumper ZD10 1N5250B ZD7 1N965 ZD6 Jumper ZD8 Jumper + C38 100uF 25V R44 3.01K D9 11DQ09 W11 W12 D10 OPEN D13 11DQ09 D16 OPEN W13 W14 R48 1K Channels 3-4 123456 A B C D 654321 D C B A Title NumberRevisionSize B Date:20-Apr-2000She

32、et of File:C:ShaneMulti_Zone6 Ch Amp6-12chDDB12927a00.ddbDrawn By: OUT 6 V-1 V+1 R5 .1 5W R11 402 R21 6.34K R22 2.26K R33 33.2K R34 47.5K +C9 100uF 100V +C10 100uF 100V + C17 100uF 25V + C23 10uF 25V C33 .12uF C34 .12uF VIN+ 10 VIN- 9 OUT 3 V+ 1 V+ 5 GND 7 V- 4 MUTE 8 U5 LM3886 OUT 5 V-1 V+1 R6 .1 5

33、W R12 402 R23 6.34K R24 2.26K R35 33.2K R36 47.5K +C11 100uF 100V +C12 100uF 100V + C18 100uF 25V + C24 10uF 25V C35 .12uF C36 .12uF VIN+ 10 VIN- 9 OUT 3 V+ 1 V+ 5 GND 7 V- 4 MUTE 8 U6 LM3886 Q5 2N5401 Q11 2N5551 D21 1N4148 D24 1N4148 D25 1N4148 R45 24.3K R46 10K R57 1K R71 OPEN R83 133 R58 1K R89 J

34、UMPER V-1 12 34 56 78 910 JP3 Q17 2N5210 CON9 CON10 CON11 CON12 2600 / 1260 Channel 5-6 output 12927Rev A 3 of 4 SBS R56 1K R59 1K D17 11DQ09 W15 W16 D18 OPEN D20 11DQ09 D22 OPEN W17 W18 D19 OPEN R52 33.2K V+1 ZD14 Jumper ZD15 1N5250B ZD12 1N965 ZD11 Jumper ZD13 Jumper + C39 100uF 25V R51 3.01K Chan

35、nels 5-6 1234 A B C D 4321 D C B A Title NumberRevisionSize A Date:20-Apr-2000Sheet of File:C:ShaneMulti_Zone6 Ch Amp6-12chDDB12925a00.ddbDrawn By: BR1 40A F1 SLO BLO F2 SLO BLO D3 1N4002 D4 1N4002 + C1 10000uF 63V + C2 10000uF 63V + C3 10000uF 63V + C4 10000uF 63V + C9 100uF 25V + C10 100uF 25V CON

36、1 AC IN CON2 AC IN POWER SUPPLY +5V -5V +35V -35V V+ V- F3 SLO BLO W1V+ W2V+ F4 SLO BLO W5V- W6V- W7V- W8V- W3V+ W4V+ + C5 10000uF 63V + C6 10000uF 63V + C7 10000uF 63V + C8 10000uF 63V CON3 AC IN CON4 AC IN +5V-5V W9 GND W10 GND W11 GND W12 GND W13 GND W14 GND 2600 / 1260 Power Supply Bd 12925Rev A

37、 1 of 1 SBS W15 GNDA Q1TIP31C Q2TIP32C ZD1 1N5232B ZD2 1N5232B R2 6.34K R1 6.34K C11 .033uF C12 .033uF R4 6.34K R3 6.34K W16W18 3ULQWHG?&LUFXLW?%RDUGV3ULQWHG?&LUFXLW?%RDUGV 3&%V3&%V B&K COMPONENTS, LTD. 2100 Old Union Road Buffalo, New York 14227-2725 U.S.A. %LOO?RI?0DWHULDOV?%LOO?RI?0DWHULDOV? %20V

38、%20V B&K COMPONENTS, LTD. 2100 Old Union Road Buffalo, New York 14227-2725 U.S.A. Bill of Material for 12926a00.Bom Used Part Type Designator Footprint Description = = = = = 1 +5 W1 PC_PAD MOLEX 102 PC MOUNT CRIMP CONNECTOR 1 -5 W3 PC_PAD MOLEX 102 PC MOUNT CRIMP CONNECTOR 6 .12uF C34 C35 RAD200 CAP

39、ACITOR C36 C37 C38 C39 22 .033uF C2 C3 C4 RAD200 CAPACITOR C5 C6 C7 C8 C9 C10 C11 C12 C13 C14 C15 C16 C17 C18 C19 C20 C21 C22 C23 33 1K R6 R7 R8 RES500 RESISTOR R9 R12 R15 R18 R43 R44 R46 R51 R66 R69 R70 R71 R72 R73 R74 R75 R76 R77 R78 R79 R80 R97 R98 R99 R104 R106 R107 R108 R113 R115 7 1M R84 R85 R

40、ES500 RESISTOR R86 R87 R89 R90 R92 6 1N748 ZD1 ZD2 DIODE.4 ZENER DIODE ZD3 ZD4 ZD5 ZD6 14 1N4148 D1 D2 D3 DIODE.4 DIODE D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 4 1uF 25V C1 C29 C31 CAP200RP POLAR CAPACITOR C33 3 5.62 R81 R82 RES500 RESISTOR R83 19 10K R19 R20 RES500 RESISTOR R21 R22 R23 R24 R25 R26 R27 R28 R29 R30 R31 R32 R33 R34 R96 R105 R114 2 10uF 25V C24 C25 CAP200RP POLAR CAPACITOR 3 47.5K R93 R94 RES500 RESISTOR R95 3 74HC4053 U9 U10 U11 DIP16 Tr