Symetrix 306_sch 电路图.pdf

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1、OF REVISIONS DONE OR ECO NUMBER: DRAWN: REV: DRAWING NO: COMPANY: TITLE: DATED: REV C B A C D 654321 DATE: D B A RELEASED:DATED: REVISION RECORD Lynnwood, WA 98037-2303 USA 14926 35th Avenue West SYMETRIX INC. SHEET: LEFT MUSIC INPUT RIGHT MUSIC INPUT 1 A LEFT UNBAL INPUT RIGHT UNBAL INPUT 306 DUCKE

2、R - MUSIC IN & VCA 5 SH2 D6 SH2 C6 SH3 B2 SH1 A3, SH1 C3, SH3 B2 ba11-11-98 + - GND + - GND 1 GND 3 SIG2 2 SIG1 J2 RCA_TWIN_LP J3-1 J3-2 J3-3 J3-4 J3-5 J3-6 2 - 3 + 1 U1A NJM2068M 6 - 5 + 7 U1B NJM2068M 8 4 U1C NJM2068M R1 1K00 R2 1K00 R16 1K00 R17 1K00 C1 100pF C2 100pF C3 100pF C4 100pF R3 9K09 R4

3、 9K09 R18 9K09 R19 9K09 R5 10K0 R6 10K0 R20 10K0 R21 10K0 C5 47pF C6 47pF C8 47pF C9 47pF IN OUT VCCEC1 M Y S E E V 2 C E D N G 18 37 6254 U2 2150A IN OUT VCCEC1 M Y S E E V 2 C E D N G 18 37 6254 U3 2150A C7 4.7/NP C10 4.7/NP C12 4.7/NP C14 4.7/NP R7 20K0 R22 20K0 R8 61.9 R23 61.9 R13 61.9 R28 61.9

4、 R12 4K99 R27 4K99 R10 499K R25 499K CW 31 2 R9 50K CW 31 2 R24 50K R11 51.1 R26 51.1 R14 2K00 R29 2K00 2 - 3 + 1 U4A NJM2068M 6 - 5 + 7 U4B NJM2068M 8 4 U4C NJM2068M R15 13K0 C11 100pF R30 13K0 C13 100pF C15 .1uF C16 .1uF C17 .1uF C18 .1uF L L R R +15V +15V -15V-15V +15V -15V +15V -15V CV CV L_MUSI

5、C R_MUSIC +15V -15V CHG5 CHG5 RadioFans.CN 收音机爱 好者资料库 A B C D 1 SEE SHEET 1 FOR REVISIONS 23456 D C B A DRAWING NO: TITLE: COMPANY: 14926 35th Avenue West SYMETRIX INC. Lynnwood, WA 98037-2303 USA REV: OF2SHEET: MAX PAGEMAX MUSIC LEFT OUT + LEFT OUT - GROUND RIGHT OUT + RIGHT OUT - GROUND UNBAL OUT

6、LEFT RIGHT A 5 SH1 C2 SH1 B2 SH3 D6, SH4 B1 306 MIX & OUTPUT MASTER GAIN CLIP 2 - 3 + 1 U5A NJM2068M 6 - 5 + 7 U5B NJM2068M 8 4 U5C NJM2068M 2 - 3 + 1 U6A 4580_SMD 2 - 3 + 1 U7A 4580_SMD 8 4 U6C 4580_SMD R31 4K99 R35 20K0 R50 20K0 R32 4K99 R46 4K99 R47 4K99 CW 61 4 R33A 50K CW 52 3 R33B 50K R34 4K99

7、 R48 4K99 R49 4K99 C21 47/NP C22 47/NP C19 22pF C20 22pF R38 3K01 CW 6 1 4 R37A 50K C23 22pF R40 4K99 R41 4K99 C24 22pF R42 402 R43 402 R44 402 R45 402 L1 L2 C25 100pF C26 100pF 6 - 5 + 7 U6B 4580_SMD 6 - 5 + 7 U7B 4580_SMD R52 3K01 CW 5 2 3 R37B 50K C27 22pF R54 4K99 R55 4K99 C28 22pF R56 402 R57 4

8、02 R58 402 R59 402 L3 L4 C29 100pF C30 100pF 8 4 U7C 4580_SMD 1 GND 3 SIG2 2 SIG1 J4 RCA_TWIN_LP C32 .1uF C33 .1uF C34 .1uF C35 .1uF C36 .1uF C37 .1uF D2 1N4148 D3 1N4148 R60 10K0 C31 .1uF R65 2K00 D4 LED_T1_R_FORM Q2 2N4403 Q1 2N4401 R64 4K99 R62 3K48 R61 200K D1 1N4148 J5-2 J5-1 J5-3 J 5 - 5 J 5 -

9、 4 J5-6 R36 24K9 R51 24K9 R39 24K9 R53 24K9 R63 200K R134 10K0 R135 10K0 R136 10K0 R137 10K0 L_MUSIC R_MUSIC PAGE +15V -15V +15V P_CLIP P_CLIP CHG6 CHG6 CHG6 CHG6 CHG6 CHG6 RadioFans.CN 收音机爱 好者资料库 A B C D 1 SEE SHEET 1 FOR REVISIONS 23456 D C B A DRAWING NO: TITLE: COMPANY: 14926 35th Avenue West SY

10、METRIX INC. Lynnwood, WA 98037-2303 USA REV: OFSHEET:35 THRESHOLD DUCK RELEASE DEPTH HOLD HOLD GATE SIDECHAIN A SH2 B6, SH4 B1 SH1 A3, 306 SIDECHAIN SH1 C3 HIGH WHEN ABOVE THRESHOLD -15V WHEN PAGING SIGNAL PRESENT UNUSED SECTION Bandpass 170-3500 Hz R133 TRIMS FOR UNITY LINE GAIN 1 IN 7 OUT 4 SYM 5

11、VEE 2 BIAS 3 GND 6 CAP 8 VCC U9 THAT2252 C43 4.7/NP C40 4.7/NP C42 .1uF R68 10K0 R69 22M R72 2 M R73 1K00 R71 10 R74 499K C39 .0022uF R66 20K0 R67 20K0 2 - 3 + 1 U8A NJM2068M R75 1K00 R76 2 M R78 124K R77 1K00 R80 49K9 Q5 2N4403 R82 1K00 21 D17 LED_T1_Y_FORM D5 1N4148 C45 4.7/NP D6 1N4148 D7 1N4148

12、R84 10K0 Q3 2N4401 C51 .1uF R83 402 Q4 2N4401 D11 1N4148 C46 4.7/NP R92 10K0 R93 2K00 R94 2 M D10 1N4148 R89 402 D12 1N4148 D13 1N4148 D8 1N4148 D9 1N4148 R86 6K49 R91 3K01 D14 1N4148 D15 1N4148 R88 20K0 R98 49K9 R97 49K9 6 - 5 + 7 U8B NJM2068M 8 4 U8C NJM2068M C47 .1uF C48 .1uF C49 .1uF C50 .1uF R8

13、1 10K0 C44 .1uF 2 - 3 + 1 U10A LM324_SMD 6 - 5 + 7 U10B LM324_SMD 9 - 10 + 8 U10C LM324_SMD 13 - 12 + 14 U10D LM324_SMD 4 11 U10E LM324_SMD R87 20K0 C41 .47uF C38 .047uF CW 3 1 2 R85A 50KB CW 3 1 2 R90A 50KB CW 31 2 R79A 50KB CW 3 1 2 R96A 50KB R70 10 R138 499K R95 61.9 R133 9K09 PAGE -15V -15V +15V

14、 -15V +15V -15V CV +15V -15V +15V -15V +15V -15V +15V D_LED D_LED RadioFans.CN 收音机爱 好者资料库 A B C D 1 SEE SHEET 1 FOR REVISIONS 23456 D C B A DRAWING NO: TITLE: COMPANY: 14926 35th Avenue West SYMETRIX INC. Lynnwood, WA 98037-2303 USA REV: OFSHEET:45 A PHANTOM POWER PAGE MIC IN PAGE GAIN TRIM PAGE LIN

15、E OUT SH2 B6 SH3 D6 306 PAGE AUDIO PATH MIKE/LINE + - GND NC NC 1 2 3 4 J1 L5 L6 C54 100pF C52 100pF R99 10 R100 10 R101 4K99 R102 4K99 R120 100 C68 4.7/NP + C56 100/35 + C58 100/35 R106 2K49 R107 2K49 Q6 2N4403 Q9 2N4403 R108 4K64 R112 4K64 C57 100pF C59 100pF R110 1K69 R114 1K69 2 - 3 + 1 U11A NJM

16、2068M R115 4K64 R116 4K64 C60 47pF C61 47pF C62 4.7/NP 6 - 5 + 7 U11B NJM2068M 8 4 U11C NJM2068M R118 4K99 CW 31 2 R119 50K C63 22pF R117 10K0 R121 4K99 C64 47/NP 2 - 3 + 1 U12A 4580_SMD 6 - 5 + 7 U12B 4580_SMD 8 4 U12C 4580_SMD R122 4K99 R123 4K99 C66 22pF R124 402 R125 402 R126 402 R127 402 C65 10

17、0pF C67 100pF L7 L8 C69 .1uF C70 .1uF C71 .1uF C72 .1uF R111 86.6 Q7 2N4401Q8 2N4401 R109 649 R113 649 R103 2K49 R105 2K49 2 1 3 S1A 11 12 10 S1D 8 9 7 S1C 5 4 6 S1B R104 51.1 J5-7 J5-8 J5-9 C53 470pF +15V +15V -15V +15V -15V PAGE CHG5 CHG6 CHG6CHG6 A B C D 1 SEE SHEET 1 FOR REVISIONS 23456 D C B A

18、DRAWING NO: TITLE: COMPANY: 14926 35th Avenue West SYMETRIX INC. Lynnwood, WA 98037-2303 USA REV: OFSHEET:55 NC NC A AC POWER IN 306 POWER SUPPLY & APPENDIX POWER NC NC 1 2 3 4 5 6 7 8 9 J6 CONDIN7_RA_PCB L9 L10 L11 D18 1N4003 SMD D19 1N4003 SMD D20 1N4003 SMD D21 1N4003 SMD D22 1N4003 SMD D23 1N400

19、3 SMD + C76 1000/35 + C77 1000/35 C78 4.7/NP C79 4.7/NP 1 VIN 3 VOUT 2 GND U13 78M15 2 VIN 3 VOUT 1 GND U14 79M15 H1 HOLE_SMD_PASTE H2 HOLE_SMD_PASTE P1 HOLE_CUT_CLINCH P2 HOLE_CUT_CLINCH F1 FIDUCIAL F2 FIDUCIAL 1H5 MH156 1H6 MH156 1H7 MH156 1H8 MH156 C73 .01 C74 .01 C75 .01 R131 1K00 R132 1K00 2 1 D24 LED_T1_R_FORM BKT 56 R85B 50KB BKT 56 R90B 50KB BKT 56 R79B 50KB BKT 56 R96B 50KB R130 0 OHM BKT 89 R33C 50K BKT 89 R37C 50K TP1-1 +15V -15V CHG5 CHG6 CHG6 AA