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1、8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 DD CC BB AA CUT EQ1 GND GND R70 GND D14 GND GNDGND FUNCTION SW PCB 1/2 (LEVEL) (DRIVE) BOTTOM PCB VR PCB (TONE) GND (TO FUNCTION SW PCB 1/2 J101) D13 GND D15 (TO OUTPUT PCB J401) 123456 OUTPUT PCB 123456123456 VCC VCC 1/2VCC 1/2VCC 1/2VCC VCC 1/2VCC VCC DS7 SCHEMAITIC
2、 DS7 INPUT PCB JP8 JP JP7 JP JP1 JP SW3 FOOTSW 12 D9 LED 12 R2 9.1K R3 22K R4 510K TR1 2SC1815 GR 12 3 C3 1U(NP) 50V 12 TR2 2SC1815 G R 12 3 R13 10K R65 510K Q5 2SK118O R81 510K D15 1SS133T 12 R6 510K J3 DC9V IN 2 3 1 D7 1N4003 R59 10K R60 10K C15 104 R25 220 R26 10K R91 300 R27 5.6K C18 68P U2B NJM
3、4558D 6 5 7 R29 1K C19 104 R61 10K R31 1M D6 1SS133T 12 D5 1SS133T 12 C30 100P U2A NJM4558D 2 3 1 84 R49 39K C28 222 C29 102 TR9 2SC1815 GR 12 3 R46 10K R45 180K R52 6.2K R56 15K R51 5.6K R57 15K R48 2K R63 18K C23 473 C24 333 C26 123 C27 122 C25 123 TR7 2SC1815 GR 12 3 TR8 2SC1815 GR 12 3 R43 10K R
4、42 100K R40 10K R39 100K R37 10K R36 100K R50 220 R35 1KR38 1K R41 1KR44 470 VR1 500K(A) 1 2 3 R62 10K C47 473 TR13 2SC1815 GR 12 3 R72 1M TR12 2SC1815 G R 12 3 R74 100K C42 102 R90 22 C41 102 R89 56K TR11 2SC1815 GR 12 3 R71 1M R87 330K C40 473 R69 1M R68 22K C481000P R73 100K C491000P R80 100K R88
5、 56K R70 1M Q6 2SK118O R75 510K Q1 2SK118O C35 1U(NP) 50V 12 R53 510K TR10 2SC1815 G R 12 3 R55 470 R54 10K D13 1SS133T 12 D14 1SS133T 12 C36 10U 25V R58 100K J2 OUTPU T 1 2 3 J1 INPU T 1 2 3 R1 1K C2 10U 25V A1 006P 9V C37 100U 25V C38 47U 25V C44 1U(NP) 50V 12 C32 1U 50V C16 1U 50V C33 223 P502 1
6、2 3 4 5 6 P501 1 2 3 4 5 6 J301 6P WIRE 1 2 3 4 5 6 C22 0.47U 63V C39 4.7U 35V VR4 50K (B) 1 2 3 VR2 20K (B) 1 2 3 C50 2000P R47 10K C1 223 P401 2P PLUG 1 2 J502J501 TR6 2SC1815 G R 12 3 R5 10K P101 3P PLUG 1 2 3 P102 3P PLUG 1 2 3 J101 3P WIRE 1 2 3 J102 3P WIRE 1 2 3 J401 2P WIRE 1 2 P301 6P PLUG RadioFans.CN 收音机爱 好者资料库