Symetrix SX208_sch_Rev1B03 电路图.pdf

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1、 APRIL 13, 1994 208_1B3.SCH 1 14926 35TH AVE W LYNNWOOD WA, 98037 SX-208 SCHEMATIC Title B3B REVDocument NumberSize 3ofSheetDate: BYPASS 5K1 R49 -15 -15 61.9 R84 300K R47 51 R50 100K TRIM R48 +15 13K0 R54 13K0 R53 LOGAMP IN INPUT GAIN 150 pF C46 15K0 R40 .001 C13 J2 2K10 R45 RIGHT INPUT 2K00 R42 13K

2、0 R41 .001 C12 43K2 R44 RC4560 U6B 7 6 5 -20 dB+20 dB 4K99 R39 RC4560 U1B 7 6 5 4.7 NP C14 13K R46 61.9 R51 2150A U11 8 OUT 7 C C V 3 1 C E 6 D N G 2 2 C E 5 E E V 4 M Y S 1 INRIGHTOUT +15 2K00R87 -15 RIGHTCLIP 50KA R71B 5 46 510R43 22 pF C45 47 pFC47 45K3R97 2K00 R4 150 pF C42 15K0 R1 13K0 R3 .001

3、C2 INPUT GAIN 61.9 R32 2K00 R86 5K1 R35 100K TRIM R34 300K R33 +15 -15 61.9 R83 51 R36 LEFTOUT 4.7 NP C10 13K R31 3.3/25T C27 4K99 R108 RC4560 U1A 8 4 1 2 3 -15 .001 C1 43K2 R6 RC4560 U6A 8 4 1 2 3 .1 C29-15 J1 2K10 R69 LEFT INPUT 47 pF C43 45K3 R2 .1 C28 +15-20 dB+20 dB 3.3/25T C26 22 pF C44 50KA R

4、71A2 13 510 R5 +15 LEFTCLIP 2150A U10 8 OUT 7 C C V 3 1 C E 6 D N G 2 2 C E 5 E E V 4 M Y S 1 IN +15 RadioFans.CN 收音机爱 好者资料库 1N4148 D26 1N4148 D27 REV 3 B3 of 14926 35TH AVE W LYNNWOOD WA 98037 Sheet Size Title Date: B SX-208 SCHEMATIC Document Number 1M0 R26 T.H. TRIM 1K00 R25 -15 -15 1/35T C7 SW1A

5、 31 2 3M3 R19 1/35T C11 510K R89 1N4148 D2 +15 15K0 R17 .1 C30 390K R112 +15 RATIO 10 pF C201 357KR85 .1 C33 +15 .75 AMP F1 1N4003 D22 J5 10/35V C49 -15 .01 C22 7915 U14 3 VO 1 D N G 2 VI 1000/35V C24 10 R98 .01 C25 RC4560 U9A 8 4 1 2 3 .1 C32 -15 22 pF C200 20K0 R16 50KB R15 .1 C31 SW1B 4 6 5 SLOW

6、FAST RC4560 U4A 8 4 1 2 3 -15 .1 MY C6 4.7/50V C300 100K R38 2K0 R23 IN=FAST 50K TRIM R28 30K1 R24 1N4148 D7 CW 137K R27 +15 10K R22 1N4148 D3 1M0 R20 1N4148 D6 1N4148 D5 FAST-SLOW LEDs 4PDT SW3D 10 12 11 bypassed 1N4003 D21 1N4148 D20 7815 U13 3 VO 2 D N G 1 VI 1000/35V C23 .01 C21 -15 10/35V C48 +

7、15 J6 3 2 14 3K0 R76 YEL D16 71K5 R81 3M3 R78 BELOW-15 .056 MY C20 shown10K R37 4PDT SW3A 3 1 2 BYPASS -15 Q1E 4 1 3 1 12 Q1B 53 4 10K0R109 RC4560 U3A 8 4 1 2 3 -15 RC4560 U4B 7 6 5 -15 100 R10 82K R9 +15 10K0 R7 1/35T C5 10/35V C4 110K R13 -15 4PDT SW3C 7 9 8 SW3B 6 4 5 1M0 R12 -15 10KR18 RC4560 U9

8、B 7 6 5 50KB R110 -20 dB -15 3M3R79 9K09 R80 -15 RC4560 U7B 7 6 5 THRESHOLD J7 3 2 14 GRN D17 J8 3 2 14 3K0R77 YEL D18 59K0 R82 +15 RC4560 U7A 8 4 1 2 3 ABOVE +20 dB 200KR99 +15 33K R100 BYPASS 22 pF C3 RC4560 U3B 7 6 5 2K2 R8 1N4148 D1 Q1D 1110 9 Q1A 13 2 100K TRIM R14 200K R11 +15 LOGAMP IN Q1C 8

9、7 6 1N4148 D23 +15 3K0 R101 208_1B3.SCH 2 APRIL 13, 1994 RadioFans.CN 收音机爱 好者资料库 APRIL 13, 1994 208_1B3.SCH REV 3 B3 14926 35TH AVE W LYNNWOOD WA, 98037 of 3Sheet Size Title Date: B SX-208 SCHEMATIC Document Number OUTPUT RIGHT J4 100K R64 100/35V C18 100K R60 82 pF C40 RC4560 U5B 7 6 5 300 R63 10K0

10、 R61 10K0 R114 .1 C39 RC4560 U5A 8 4 1 2 3 .1 C38 -15 RIGHTOUT +15 13K R52 1N4148 D9 300 R62 100/35V C17 +15 2K00 R90 2K67 R91 1M0 R300 RC4560 U8B 7 6 5 +15 6K2 R96J11A 312 1 32 RED D15 -5 -2 J11B 294 3 30 RED D14 RED D13 -8 3K3 R72 RED D10 2K67 R92 LM339 U12D 13 10 11 J9 32 1 4 CLIP 3K3 R67 -15 56K

11、 R66 1M0 R68 100K R65 100K R106 1N4148 D25 2.2/25T C19 82 pF C15 RIGHTCLIP LEFTCLIP .1 C36-15 1N4148 D24 1N4148 D8 150 R70 +15 RC4560 U8A 8 4 1 2 3 LM339 U12B 1 6 7 3K65 R95 LM339 U12C 14 8 9 3K3 R74 3K3 R73J11C 276 5 28 J11D 258 7 26 RED D12 -12 CONN LED 1 J10 32 1 4 RED D11 -20 .1 C35 -15 3K3 R75 LEDs LM339 U12A 2 1 3 2 4 5 7K32 R94 OUTPUT LEFT 100K R59 100/35V C16 RC4560 U2B 7 6 5 300 R58 10K0 R55 .1 C37 RC4560 U2A 8 4 1 2 3 10K0 R56 LEFTOUT +15 82 pF C8 13K R30 82 pFC41 100/35V C9 300 R57 100K R29 J3 45K3 R93 +15 .1 C34 +15 RadioFans.CN 收音机爱 好者资料库