BKComponents-Izone1-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
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