BK ST1200 free download

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ST1200 Series II SERVICE MANUAL B&K COMPONENTS, LTD. 2100 Old Union Road Buffalo, New York 14227-2725 U.S.A. Schematics B&K COMPONENTS, LTD. 2100 Old Union Road Buffalo, New York 14227-2725 U.S.A. A B C D E F G H 1 V+ R1 10K R3 L BUS 1 +15V R2 100 L OUT L BUS 33nF C4 100 2 8 - 6 - 1N4148 D1 U1:B R6 221 LF353 5 + 7 R5 221 U1:A 475 R8 3 + 4 1 10K R7 OPEN 33nF C7 1N4148 OPEN 100K D2 LF353 2 24.3K R21 R24 Q1 2N5401 R18 R22 1K 10K R BUS 5mA 100K R13 R15 R14 R16 -15V +15V R20 R23 33nF C9 100 2 8 R BUS 2 24.3K R OUT 6 100 - Q2 2N5551 1N4148 3 U3:B R26 221 LF353 5 + 7 R25 221 U3:A + 4 1 D3 C13 OPEN OPEN 100K OPEN 1N4148 1N4148 LF353 D4 D5 -15V +15V R39 R40 33nF C17 100 2 8 L+R BUS 100K 100 6 - R28 33nF R29 R30 R31 R32 R33 R34 133 1K 3 V- L+R BUS L+R OUT 3 7 U5:B R44 221 LF353 5 + R43 221 V+ U5:A IN1 1 R98 OPEN IN2 3 + 4 33nF C19 OPEN 11 12 100K 100K R48 R46 R47 C20 1K CON3 R100 1K R101 1K LF353 R49 10uF NP NO VOL 9 10 1 C21 R IN .12uF LM3886 5 100uF 100V BUS IN L IN 1K R99 UES VOL C18 R45 1.5K R105 .1 5W OUT 3 10 R OUT V IN+ V + V + M U OUT T E 8 3 L BUS -15V +15V CH 3 7 8 C W 9 U6 V INGV N D 7 4 L+R BUS .12uF C22 50K W 33.2K 2.26K R53 R54 R BUS IN5 NC C24 R102 L+R 33nF 100 2 8 - 100 6 3 4 1K CH 3 - C C W 1 2 R52 R55 R50 R51 2.26K 4 BUS OUT L+R 3 L OUT U7:A + 4 1 R56 221 33nF C26 OPEN 5 U7:B + 7 R57 221 CH 4 C25 CON4 100uF 25V R58 1K R59 33.2K V- C23 5 6 100uF 100V 4 LOT ROT OPEN R OUT LF353 100K R63 1 2 100K R60 R61 R62 CON5 CTRL CTRL IN LF353 V+ JUMPER CTRL OUT CON15 +LBUS CH 5 10uF NP NO VOL 9 10 1 C28 C29 -15V R65 10K R66 CON6 +15V R67 R79 10K 33nF C30 100 2 8 - .12uF -LBUS USE VOL 11 12 LM3886 5 100uF 100V 3 4 C27 R64 1.5K R106 .1 5W OUT 4 10 L OUT V IN+ V + V + M U OUT T E 8 3 R68 10K 1 2 3 L BUS * 7 8 C W 9 U8 V INGV N D 7 4 C31 50K 6 1 33.2K 2.26K R72 R73 U9:A 3 + 4 U9:B 5 + 7 L BUS* 6 5 4 1N4148 R75 D6 1K 221 33nF C33 221 LF353 R BUS 3 4 C C W OPEN 100K 1N4002 LF353 100K R77 R78 R80 D7 5 C35 CH 4 1 2 R71 R74 R69 R70 2.26K DEFEAT Q3 2N5551 - W C34 CON7 100uF 25V R76 1K R81 33.2K V- C32 CTRL L+R BUS .12uF 5 6 100uF 100V SW1 5 D8 1N4002 Q4 R82 R84 3.01K 100uF 25V 100uF 25V 33nF C39 C40 TIP31C +15V 1N965B 33nF D9 F1 -15V 1N4002 8A SB V+ 10000uF 63V D10 D21 1N4002 V+ R83 5.62 D11 1N4148 R87 10K 1N4148 24.3K D15 R89 Q5 TIP32C 2.2K 5W R86 D12 1N4148 10000uF 63V 33nF C48 C47 1N965B 1N4002 D16 D17 6 D18 1N4148 R96 133 D19 1N4148 Q7 2N5551 > R93 3.01K R94 3.01K C45 C46 SEC IN D14 40A 10000uF 63V 10000uF 63V 1N965B AC - C51 > BR1 100uF 100V C50 + 100uF 100V 1N965B D13 Q6 TIP31C C41 C42 3.01K Title Size Number ST1200 CH 60W AMP 6 Rev ESM 1 F2 8A SB V- 1N4002 D22 Q8 D20 TIP32C -15V 7/7/97 * 4.7K 2W IF V+ >60V D Date Filename 1/20/95 P/N 10854/1