Laney_HCM15B_Schematic电路图.pdf

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1、12345678 A B C D 87654321 D C B A Title NumberRevisionSize A3 Date:10-Apr-2002Sheet of File:E:PCBProtel PCBS9359_2.ddbDrawn By: HCM15B 93592 119359_2.sch Rich Thompson BLT Industries Input SK1 MJACK Hi G R1 1K C1 100P 100V D1 1N4148 D2 1N4148 C4 10N 100V R4 1M G G +15V -15V U1B TL072 U1A TL072 U2B T

2、L072 U3A TL072 U2A TL072 U3B TL072 R5 10K C6 2U2 63V C8 270P 250V R6 10K +15V -15V G R14 4K7 R19 3K3 R15 4K7 VR1 22KB6S C2 100P 100V +15V -15V2 R11 10K R24 22K R17 4K7 R41 100R R40 100R +15V -15V2 G Comp Drive Program Sink OP Diff U4 CA3094 +15V -15V +15V R22 22K C3 100P 100V G G G GG R27 2K2 R16 4K

3、7 R29 2K2 R31 470R R7 10K R8 10K VR2 22KB6S VR4 22KB6S C13 47N 100V C14 47N 100V C10 470P 250V G R23 22K R33 100K -15V R9 10K R2 1K R10 10K R39 470K D3 1N4148 SW1B 2P2WPS SW1A 2P2WPS TS1 BC237 TS2 BC307 R20 3K3 D6 LED3MMG G G -15V G C7 2U2 63V G G Compressor On Compressor On Limiter On R45 820R R46

4、820R R37 100K R35 100K R36 100K R34 100K C15 22N 100V D8 15V ZD1.3W D7 15V ZD1.3W +VCC -VCC2 GG D5 1N4148 D4 1N4148 R43 33K C22 47P 50V R44 68K Gain Treble Bass R21 22K C9 470P 250V LN3 LN2 LN1 G VR5 10KA6S SK2 SJACK U5 TDA2030 SK3 SJACK 1 2 HD1 HD2WL R25 22K R26 22K R12 10K R13 10K R3 1K R42 100R R

5、49 47R R52 0R47 2W5 R47 4R7 2W5 R48 47R R32 470R C12 1U 63V C25 220N 63V C26 220N 63V C24 470P 250V C21 10U 50V C27 220N 63V G G +VCC -VCC2 C16 22N 100V G G G G C18 47N 100V G G G 1 2 3 HD2 HD3WL C5 10N 100V D14 1N4007 D12 1N4007 D11 1N4007 D13 1N4007 D15 LED3MMR R18 4K7 C30 2200U 25V C31 2200U 25V

6、R50 100R 2W5 R51 100R 2W5 D9 15V ZD1.3W D10 15V ZD1.3W C28 47U 50V C29 47U 50V G G G +15V -15V +VCC -VCC R28 2K2 R30 2K2 VR3 22KB6S Mid C23 22N 100V C19 22N 100V C17 47N 100V C20 10U 50V G R38 100K VOLUME CD INPUT SPEAKER + - PHONES PSU Mains Switch Mains In Black(Brown) Green/Yellow White (Blue) Ch

7、assis Transformer Primary AC Line(Live) AC Input (Neutral) These items not on pcb, except Fuse and Spades IEC Inlet 115V = T500mA L 230V = T250mA L MAINS TRANSFORMER F1 SP1 SPADE4.8 SP2 SPADE4.8 FP Flame proof resister Must only be replaced with same type and rating Indicates safety critical component Must only be replaced with approved type C11 1U 63V -15V2 LN5 LN6 -VCC2 -VCC LN7 LN9 R100 10K D100 1N4148 G RadioFans.CN 收音机爱 好者资料库