BKComponents-Izone2-pwr-sch维修电路原理图.pdf

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1、B&K COMPONENTS LTD. Izone AMPLIFIERS 1/2/3 CHANNEL and 5/7 CHANNEL SERVICE MANUAL SBS - 011508 RadioFans.CN 收音机爱 好者资料库 1234 A B C D 4321 D C B A Title NumberRevisionSize A Date:15-Jan-2008Sheet of File:C:BK_DataB&K_iZoneiZone_PCBIZone_123_Channel_RCA_Bal14186-00.ddbDrawn By: SW1 SW-DPDT CH1- CH1+ CH

2、1_BAL- 2 1 3 F CON6 Channel_3 CH3_BAL- CH3_BAL+ 2 1 3 F CON3 Channel_1 2 1 3 F CON5 Channel_2 CH1_BAL- CH1_BAL+ CH2_BAL- CH2_BAL+ R12.26K R43.01K SW2 SW-DPDT CH2- CH2+ CH2_BAL- R22.26K R53.01K SW3 SW-DPDT CH3- CH3_BAL- R32.26K R63.01K W1 STAR_GND CH3+ CH3_BAL+ CH3_RCA+ CH2_BAL+ CH2_RCA+ CH1_BAL+ CH1

3、_RCA+ CH3_RCA+ CH2_RCA+ CH1_RCA+ IZone 1-2-3 Channel RCA/Balance Board 14186-00Rev - 1 of 1 SBS CON10 CON11 CON12 CON7 RCATIFF CON8 RCATIFF CON9 RCATIFF CH1- CH1+ CH2- CH2+ CH3- CH3+ 12 34 56 78 910 1112 1314 1516 1718 1920 JP1 HEADER_2X10 MUTEMUTE W2 MUTECON1 MUTE MUTE CH1- CH1+ CH2- CH2+ CH3- CH3+

4、 12 34 56 78 910 1112 1314 1516 1718 1920 JP2 HEADER_2X10 MUTEMUTE JS1JS2 RadioFans.CN 收音机爱 好者资料库 1234 A B C D 4321 D C B A Title NumberRevisionSize A Date:15-Jan-2008Sheet of File:C:BK_DataB&K_iZoneiZone_PCBIZone_Amp_5_7_Channel_Balance14064-00.ddbDrawn By: 12 34 56 78 910 1112 1314 1516 1718 1920

5、2122 2324 2526 2728 2930 3132 3334 3536 3738 3940 JP1 HEADER 2X20 CH1+ SW1 SW-DPDT CH1- CH2- CH1_BAL- 2 1 3 F CON6 Channel_5 2 1 3 F CON14 Channel_8 2 1 3 F CON8 Channel_6 2 1 3 F CON13 Channel_7 CH5_BAL- CH5+ CH7_BAL- CH7+CH8+ CH8_BAL- CH6+ 2 1 3 F CON1 Channel_1 2 1 3 F CON7 Channel_4 2 1 3 F CON2

6、 Channel_2 2 1 3 F CON5 Channel_3 CH1_BAL- CH1+ CH3_BAL- CH3+CH4+ CH4_BAL- CH2+ CH2_BAL- CH6_BAL- R12.26K R93.01K CH2_BAL- R22.26K R103.01K SW2 SW-DPDT CH3- CH4- CH3_BAL- R32.26K R113.01K CH4_BAL- R42.26K R123.01K SW3 SW-DPDT CH5- CH6- CH5_BAL- R52.26K R133.01K CH6_BAL- R62.26K R143.01K SW4 SW-DPDT

7、CH7- CH8- CH7_BAL- R72.26K R153.01K CH8_BAL- R82.26K R163.01K CH2+ CH3+ CH4+ CH5+ CH6+ CH7+ CH8+ CH1- CH1+ CH2- CH2+ CH3- CH3+ CH4- CH4+ CH5- CH5+ CH6- CH6+ CH7- CH7+ CH8- CH8+ W1 STAR_GND IZone 5-7 Channel Balance Board 14064-00Rev - 1 of 1 SBS 12 34 56 78 910 1112 1314 1516 1718 1920 JP2 HEADER_2X

8、10 MUTEMUTE 12 34 56 78 910 1112 1314 1516 1718 1920 JP5 HEADER_2X10 MUTEMUTE CH5- CH5+ CH6- CH6+ CH7- CH7+ CH8- CH8+ 12 34 56 78 910 1112 1314 1516 1718 1920 JP4 HEADER_2X10 MUTEMUTE CH1- CH1+ CH2- CH2+ CH3- CH3+ CH4- CH4+ 12 34 56 78 910 1112 1314 1516 1718 1920 JP3 HEADER_2X10 MUTEMUTE W2 MUTECON

9、3 MUTE MUTE 123456 A B C D 654321 D C B A Title NumberRevisionSize B Date:15-Jan-2008Sheet of File:C:BK_DataB&K_iZoneiZone_PCBIZone_Amp_8channel_Small_HS13990a00.ddbDrawn By: iZone Channel 1-2 Power Amp 3 5 SBS/ESM A13990A00CH1-2.sch CH1_IN+ PRE+ PRE- Fused_P- Fused_P+ + C5 10uF 25V R13 475 R31 100

10、P1 openR27 jumper R2 26.7K R4 26.7K R9 1.5K R17 1K QP1 2SJ162 QN1 2SK1058 CH1_OUT IN1+ 6 IN1- 5 Sink13 Comp2 10 Source12 1 IN2+ 8 IN2- 9 V+13 Source212 Sink211 GND 7 V- 15 Comp14 MUTE V+14 U1 LM4702 + C6 10uF 25V R14 475 R3 26.7K CH2_IN+ + C8 100uF 25V R151K + C13 100uF 25V R181K R1 26.7K C21 30pF R

11、35 47.5K R32 100 P2 openR28 jumper R10 1.5K R19 1K QP2 2SJ162 QN2 2SK1058 CH2_OUT R36 47.5K C22 30pF C3 .12uF C1 .12uF C4 .12uF C2 .12uF R39 1.5K R40 1.5K C7 .12uF C9 .12uF W5 J1 W14 J2 W18 J3 W16 J4 W10 J1-4 W20J2-3 CH1_IN- CH2_IN- R16 Jumper R23 Jumper MUTE R46 3.01K R45 3.01K C12 120pF C14 120pF

12、123456 A B C D 654321 D C B A Title NumberRevisionSize B Date:15-Jan-2008Sheet of File:C:BK_DataB&K_iZoneiZone_PCBIZone_Amp_8channel_Small_HS13990a00.ddbDrawn By: iZone Channel 3-4 Power Amp 3 5 SBS/ESM A13990A00CH3-4.sch CH3_IN+ PRE+ PRE- MUTE Fused_P- Fused_P+ + C15 10uF 25V R20 475 R33 100 P3 ope

13、nR29 jumper R6 26.7K R8 26.7K R11 1.5K R24 1K QP3 2SJ162 QN3 2SK1058 CH3_OUT IN1+ 6 IN1- 5 Sink13 Comp2 10 Source12 1 IN2+ 8 IN2- 9 V+13 Source212 Sink211 GND 7 V- 15 Comp14 MUTE V+14 U2 LM4702 + C16 10uF 25V R21 475 R7 26.7K CH4_IN+ + C17 100uF 25V R221K + C19 100uF 25V R251K R5 26.7K C23 30pF R37

14、47.5K R34 100 P4 openR30 jumper R12 1.5K R26 1K QP4 2SJ162 QN4 2SK1058 CH4_OUT R38 47.5K C24 30pF R48 3.01K C10 .12uF C11 .12uF R41 1.5K R42 1.5K C31 .12uF C29 .12uF C32 .12uF C30 .12uF W6 J1 W15 J2 W19 J3 W17 J4 W13 J1-4 W21J2-3 CH3_IN- CH4_IN- R43 Jumper R44 Jumper R47 3.01K C18 120pF C20 120pF 12

15、34 A B C D 4321 D C B A Title NumberRevisionSize A Date:15-Jan-2008Sheet of File:C:BK_DataB&K_iZoneiZone_PCBIZone_Amp_8channel_Small_HS13990a00.ddbDrawn By: PRE- iZone Power/Mute Control 5 5 SBS/ESM A W8 PRE+ W9 GND + C25 100uF 100V + C27 100uF 100V 13990A00_Power_Mute.sch PRE+ PRE- + C26 100uF 100V

16、 + C28 100uF 100V Fused_P- Fused_P+ PRE+ W7 Fuse_V+ W12 Fuse_V- W11 PRE- CH1_OUT CH2_OUT CH3_OUT CH4_OUT W3CH2 W2CH3 W1CH4 W4CH1 MUTE CH3_IN+ CH2_IN+ CH1_IN+ CH4_IN+ 12 34 56 78 910 1112 1314 1516 1718 1920 JP1 HEADER_2X10 CH3_IN- CH2_IN- CH1_IN- CH4_IN- 123456 A B C D 654321 D C B A Title NumberRev

17、isionSize B Date:2-Dec-2008 Sheet of File:C:BK_DataSeries_4SeriesIV_125.3.5.7_Pwr_Supply14416-00.ddbDrawn By: BR1 BR2 V-V+V- + C2 15KuF 75V + C1 15KuF 75V + C4 15KuF 75V Series IV 125.5.7 POWER SUPPLY 14416-00Rev - 11 SBS/ESM W1 GND- W4 GND+ W7 V+ W13 V- W8 V+ W14 V- W9 V+ W15 V- W10 V+ W16 V- AON A

18、ON AON AON W19AON W20AON W21AON W22AON GND-GND+ AC_BLUE AC_YELLOW V+ + C3 15KuF 75V W2 V+ V+ W3 V+ V+ W5 V- V- W6 V- V- CON6NC CON7NC W28V+ W30V- W31V+ W33V- W34V+ W36V- W37V+ W39V- AON AON AON AON W29AON W32AON W35AON W38AON W46 V+ V+ W47 V+ V+ W48 V- V- W49 V- V- W52 GND- W53 GND- W50 GND+ W51 GND

19、+ F1 FUSE F2 FUSE F3 FUSE F7 FUSE F8 FUSE F9 FUSE F10 FUSE F11 FUSE F16 FUSE F15 FUSE F14 FUSE F13 FUSE F12 FUSE F6 FUSE F5 FUSE F4 FUSE V+V+ V-V- R5 10K R14 1K D6 1N4148 ZD1 1N965B C7 .033uF Q2 2N5551 1 2 3 4 5 CON3 R17 JUMPER AON W25 GND CTRL-OUT CTRL-IN W26 LED+ DEFEAT BR4 1 2 3 4 5 CON5 +C8 470u

20、F/35V +24+12 +C10 100uF/25V Vin 1 GND 2 +12V3 U2 LM7812CTB D2 1N4002 R18 OPEN W27 GNDR In 11 In 22 In 33 In 44 In 55 In 66 In 77 In 88Out 8 13Out 7 14Out 6 15Out 5 16Out 4 17Out 3 18Out 2 19Out 1 20 Fault9Gnd 12 OE/R10Vs 11 U1 UDN2987A +12 R20100 R7 1KQ3 2N5087 D4 1N4148 R2 10K R6 1K R3 10K +12 LD1

21、LED C11 .12uF W12 GND R25 10K CON1 High_1 CON2 High_2 CON4 Low_2 CON8 Low_1 R10 .1 5W R11 .1 5W R9 .1 5W R8 .1 5W CON9 PRE+ CON17 PRE- CON10 PRE+ CON18 PRE- CON11 PRE+ CON19 PRE- CON12 PRE+ CON20 PRE- V+V- CON25 GND W11 GND + C5 470uF/35V 1 + 2 - CON14 1 + 2 - CON15 1 + 2 - CON16 1 + 2 - CON21 1 + 2

22、 GND 3 - CON13 CONN_3PIN_ICE V+V- W18V+ W40V+ W42V+ W23V+ W41V+ W43V+ W57 V- W55V- W45V-W44V- W54V- W58V- W56V- W59V- W17V+ W24V+ 1 + 2 - CON22 1 + 2 - CON23 +12 D1 1N4148 ZD2 1N748A R1 10K 1234 A B C D 4321 D C B A Title NumberRevisionSize A Date:2-Dec-2008 Sheet of File:C:BK_DataSeries_4SeriesIV_AMP_CTRL_IO14418-00.ddbDrawn By: B T CON2 1 2 3 4 5 CON1 Control I/O Board Series IV CONTROL I/O BOARD non-push button 14418-00REV - SBS R1 5.62 W1 GND CON3 GND W2 CTRL CON4 CTRL