Symetrix 425_1C04_sch 电路图.pdf

《Symetrix 425_1C04_sch 电路图.pdf》由会员分享，可在线阅读，更多相关《Symetrix 425_1C04_sch 电路图.pdf（7页珍藏版）》请在收音机爱好者资料库上搜索。

1、DATE:LTR A B C D 654321 D C B A SYMETRIX, INC. 14926 35th Avenue West Lynnwood, WA 98037-2303 USA DRAWING NO: TITLE: COMPANY: DATED: DATED: DRAWN: RELEASED: REV: OFSHEET: REVISION RECORD REVISIONS DONE OR ECO NUMBER: DO-7 to DO-41. A B S S BA 425 DUAL COMP/LIMITER/EXPANDER CHANNEL 1 INPUT CHANNEL 1

2、CHANNEL 1 OUTPUT LEVEL CHANNEL 1 (SHOWN IN) 022425 C.4 17 SIDECHAIN SEND/RETURN BAL/UNBAL BALANCED UNBALANCED IN/OUT LINK (SHOWN IN STEREO LINK)MASTER DISTORTION CHANNEL 1 BALANCED (FRONT PANEL) TO LOGAMP INPUT OUTPUT TRIM C2 C1 C0 B1 B0 A1 A0 E3RESISTORS AS PER ECO 425-12 R79, R172 to 250K. R80, R1

3、73 to 137K0. R39, R146 to 4K87. Added HS1, HS2. C7, 17, 28, 44, 52, 57, 60, 65 to 4.7uF/35VNP, per ECO. Changed to A Series Neutrik, added Molex to power supply. Added LIM SYM test points. CHANGED GROUNDING - PCB ONLY Changed pcb decals of 1N4003 diodes from Chgd 5% resistors to 1%: 150 to 158, 510K

4、 to 2 / 2 2 / 9 6 9/19/95 8/11/95 8 / 2 / 9 5 6/13/95 3 / 2 0 / 9 5 4 / 6 / 9 4 3 / 2 7 / 9 6 499K, 560K to 536K (no changes to pcb art). CW C3Chgd R161 from 18 ohms/5% to 10 ohms/1%.05/09/96 C4ADDED RESISTOR TO EACH LOGAMP OUTPUT.9/26/97RB R3 15K0 R4 13K0 R5 13K0 R6 15K0 R1 2K00 R2 2K00 C3 100PF C4

5、 100PF C2 470pF C1 470pF R26 30K1 2150A IN OUT VCCEC1 M Y S E E V 2 C E D N G 18 37 6254 U5 2150A R27 61.9 R30 51.1 R31 61.9 R29 499K0 R28 5K11 J3 1/4 TRS C10 4.7NP R23 6K98 3 + 2 - 1 U1A 4560 5 + 6 - 7 U1B 4560 3 1 2 R50 100K C12 4.7NP C11 4.7NP R24 100.0 R25 15K0 C14 82pF R33 158.0 C26 47NP 5 + 6

6、- 7 U2B 4560 R35 13K0 C15 82pF R34 158.0 C27 47NP R36 13K0 5 + 6 - 7 U12B 4560 R95 357K0 R93 49K9 C35 .001uF R94 100K0 R96 301K 3 1 2 R99 50KB 8 9 7 SW2C 5 4 6 SW2B R45 6K98 C13 4.7NP R46 100K0 R61 100K0 R60 100K0 R32 1K00 2 1 3 SW1A 2 1 3 SW2A R128 2K10 J2 1/4 TRS J51/4 TRS 11 12 10 SW2D J13A J13B

7、J13C J13D J13E J13F J13G J13H J13I J13J J13K J13L J13M J13N J13O J13P C69 470pF C70 470pF C71 470pF C72 470pF C73 470pF 1 2 3 4 J4XLR-MALE C74 470pF C75 470pF 1 2 3 4 J1XLR-FEM -15VA +15VA +15VA -15VA -15VA +15VA -15VA CH1_CTRL CV_IN_CH2 S/C_IN_CH1 CH2INOUT.2 O/PLEDS_CH1 S/C_JACK_CH2 EXPLEDS_CH1 COM

8、PLEDS_CH1 LIMLEDS_CH1 EXPLEDS_CH2 COMPLEDS_CH2 LIMLEDS_CH2 O/PLEDS_CH2 RadioFans.CN 收音机爱 好者资料库 REV: OFSHEET: DRAWING NO: TITLE: COMPANY: SYMETRIX INC. 14926 35th Ave. W. Lynnwood, WA 98037-2303 DRAWN: RELEASED: DATED: DATED: A B D 123456 D C A B C CH1 EXPANDER SIDE CHAIN EXPANDER THRESHOLD (FRONT PA

9、NEL) COMPRESSOR THRESHOLD CH1 COMPRESSOR (BYPASS) CHANNEL 1 RELEASE RELEASE RATIO SIDECHAIN IN/OUT CHAN 1 LOG CONV TRIM (FRONT PANEL) (FRONT PANEL) (FRONT PANEL) (FRONT PANEL) CHANNEL 1 IN/OUT (SHOWN IN) (SHOWN IN) 425 DUAL COMP/LIMITER/EXPANDER 022425 C.4 27 NOTE: R188 ADDED TO CORRECT OVERACTIVE H

10、ARRIS 3046 PART MAY BE OMITTED OR CHANGED IN VALUE IF NECESSARY. 7 6 8 U9B MC3346P 3 2 1 5 4 U9A MC3346P 3 + 2 - 1 U6A 4560 R47 10K0 R62 2K10 5 + 6 - 7 U6B 4560 R48 10K0 C19 22pF R65 100.0 R64 200K0 CW 3 1 2 R49 100K 10 9 11 U9C MC3346P D8 1N4148 R63 200K0 13 12 14 U9D MC3346P R66 1M R67 2K67 + C21

11、10uF + C22 3.3 3 + 2 - 1 U3A 4560 D2 1N4148 R10 200K0 R11 6K98 R14 536K R13 1M5 CW3 1 2 R22 50KB 3 + 2 - 1 U8A 4560 R56 30K1 R57 1K00 R55 158K0 CW3 1 2 R59 50KB 5 + 6 - 7 U8B 4560 C28 4.7NP + C23 10uF R75 2K10 R77 10M R73 10K0 R74 10K0 D10 1N4148 CW3 1 2 R85 50KB D16 1N4148 R21 73K2 5 + 6 - 7 U3B 45

12、60 R39 4K87 R37 10M R38 2M0 D7 1N4148 R53 10K0 3 + 2 - 1 U4A 4560 R18 20K0 R17 2K67 C9 .22uF R15 1M C8 22pF D3 1N4148 R16 1K00 Q1 2N4401 D6 1N4148 D5 1N4148 R20 10K0 CW 31 2 R44 500KA D4 1N4148 + C16 3.3 C17 4.7NP R42 2K10 R43 10M 5 + 6 - 7 U4B 4560 3 + 2 - 1 U7A 4560 R51 10K0 R52 10K0 C20 22pF 5 4

13、6 SW1B R19 100.0 D15 1N4148 8 9 7 SW1C R41 10K0 R40 150K0 CW 31 2 R78 500KA R72 30K1 R58 2K00 R12 13K0 C7 4.7NP 3 + 2 - 1 U2A 4560 R7 1M C5 22pF D1 1N4148 R76 191 D11 1N4148 R9 2K10 C6 .22uF R54 3K48 + C18 33uF R8 6K04 3 2 15 4 U10A MC3346P 13 12 14 U10D MC3346P TP1 R188 13K0 +15VA -15VA -15VA -15VA

14、 +15VA -15VA -15VA -15VA +15VA +15VA -15VA -15VA -15VA -15VA -15VA -15VA +15VA S/C_IN_CH1 CH1_CTRL EXPLEDS_CH1 COMPLEDS_CH1 PEAK_DET_CH1 RadioFans.CN 收音机爱 好者资料库 C B A C D 654321 D B A Lynnwood, WA 98037-2303 14926 35th Ave. W. SYMETRIX INC. DATED: DATED: RELEASED: DRAWN: TITLE: COMPANY: DRAWING NO:

15、REV: OF SYSTEM IN/OUT (SHOWN IN) LIMITER THRESHOLD (FRONT PANEL) CH1 LIMITER SIDE CHAIN LIMITER THRESHOLD TRIM 425 DUAL COMP/LIMITER/EXPANDER 022425 C.4 37 BYPASS SHEET: D12 1N4148 R71 2M0 C25 .039 5 + 6 - 7 U7B 4560 R68 15K8 D9 1N4148 C24 10pF R70 10K0 R69 191 D14 1N4148 R84 1M 3 + 2 - 1 U12A 4560

16、R81 301K R83 24K3 D13 1N4148 R82 1K00 CW 3 1 2 R98 50KB C29 .047 R92 49K9 C34 .01 CW 3 1 2 R79 100K 11 12 10 SW1D R80 301K R97 536K TP3 LIM SYM -15VA -15VA +15VA +15VA PEAK_DET_CH1 CH1_CTRL LIMLEDS_CH1 RadioFans.CN 收音机爱 好者资料库 A B D 123456 D C A B C Lynnwood, WA 98037-2303 USA 14926 35th Avenue West

17、SYMETRIX INC. COMPANY: TITLE: DRAWING NO: REV: OFSHEET: DRAWN: RELEASED: DATED: DATED: CHANNEL 2 INPUTS CHANNEL 2 OUTPUTS CHANNEL 2 (SLAVE) OUTPUT LEVEL CHANNEL 2 (SHOWN IN) 425 DUAL COMP/LIMITER/EXPANDER 022425 C.4 47 BALANCED BALANCED/ UNBALANCED SIDECHAIN SEND/RETURN IN/OUT BALANCED OUTPUT UNBALA

18、NCED OUTPUT CHANNEL 2 DISTORTION TRIM (FRONT PANEL) R88 15K0 R89 13K0 R90 13K0 R91 15K0 R86 2K00 R87 2K00 C32 100PF C33 100PF C31 470pF C30 470pF R103 30K1 G N D E C 2 V E E S Y M EC1VCC OUT IN 2150A 18 37 6254 U13 2150A R104 61.9 R107 51.1 R108 61.9 R106 499K0 R105 5K11 1 2 3 4 J9 XLR-MALE J8 1/4 T

19、RS C36 4.7NP R100 6K98 3 + 2 - 1 U11A 4560 5 + 6 - 7 U11B 4560 3 1 2 R111 100K C38 4.7NP C37 4.7NP R101 100.0 R102 15K0 C39 82pF R140 158.0 C48 47NP 5 + 6 - 7 U17B 4560 R142 13K0 C50 82pF R141 158.0 C49 47NP R143 13K0 5 + 6 - 7 U25B 4560 R183 357K0 R181 49K9 C68 .001uF R182 100K0 R184 301K 3 1 2 R18

20、7 50KB R110 100K0 R109 1K00 R116 100K0 R115 100K0 11 12 10 SW3D J101/4 TRS J7 1/4 TRS C76 470pF C77 470pF C78 470pF C79 470pF C80 470pF C81 470pF C82 470pF 1 2 3 4 J6 XLR-FEM -15VA +15VA -15VA +15VA -15VA CH2_CTRL S/C_JACK_CH2 S/C_IN_CH2 CV_IN_CH2 O/PLEDS_CH2 CH2INOUT.2 C B A C D 654321 D B A OF REV

21、: DRAWING NO: COMPANY: TITLE: DRAWN: RELEASED: DATED: DATED: SYMETRIX INC. 14926 35th Ave. W. Lynnwood, WA 98037-2303 CH2 EXPANDER SIDE CHAIN EXPANDER THRESHOLD COMPRESSOR THRESHOLD (FRONT PANEL) CH2 COMPRESSOR (BYPASS) CHANNEL 2 5 RATIO RELEASE SIDECHAIN IN/OUT RELEASE CHANNEL 2 LOG CONVERTER TRIM

22、(SHOWN IN) (FRONT PANEL) (FRONT PANEL) (FRONT PANEL) (SHOWN IN) (FRONT PANEL) CHANNEL 2 IN/OUT 425 DUAL COMP/LIMITER/EXPANDER 022425 C.4 7SHEET: SEE NOTE PAGE 2 7 6 8 U15B MC3346P 3 2 15 4U15A MC3346P 3 + 2 - 1 U14A 4560 R112 10K0 R117 2K10 5 + 6 - 7 U14B 4560 R113 10K0 C40 22pF R120 100.0 R119 200K

23、0 CW3 1 2 R114 100K 10 9 11 U15C MC3346P D17 1N4148 R118 200K0 13 12 14 U15D MC3346P R121 1M R122 2K67 + C41 10uF + C42 3.3 3 + 2 - 1 U18A 4560 D19 1N4148 R126 200K0 R127 6K98 R131 536K R130 1M5 CW 3 1 2R139 50KB 3 + 2 - 1 U23A 4560 R157 30K1 R158 1K00 R156 158K0 CW 3 1 2 R160 50KB 5 + 6 - 7 U23B 45

24、60 C65 4.7NP + C55 10uF R168 2K10 R170 10M R166 10K0 R167 10K0 D26 1N4148 D32 1N4148 R138 73K2 5 + 6 - 7 U18B 4560 R146 4K87 R144 10M R145 2M0 D24 1N4148 R154 10K0 3 + 2 - 1 U19A 4560 R135 20K0 R134 2K67 C45 .22uF R132 1M C47 22pF D20 1N4148 R133 1K00 Q2 2N4401 D23 1N4148 D22 1N4148 R137 10K0 CW 31

25、2 R151 500KA D21 1N4148 + C51 3.3C52 4.7NP R149 2K10 R150 10M 5 + 6 - 7 U19B 4560 3 + 2 - 1 U22A 4560 R152 10K0 R153 10K0 C54 22pF 8 9 7 SW3C R136 100.0 D31 1N4148 2 1 3 SW3A R148 10K0 R147 150K0 CW 31 2 R171 500KA CW 3 1 2 R178 50KB R165 30K1 R129 13K0 C44 4.7NP R159 2K00 3 + 2 - 1 U17A 4560 R123 1

26、M C46 22pF D18 1N4148 R169 191 D27 1N4148 R125 2K10 C43 .22uF R155 3K48 + C53 33uF R124 6K04 3 2 15 4 U16A MC3346P 13 12 14 U16D MC3346P TP2 R189 13K0 +15VA -15VA -15VA -15VA -15VA -15VA -15VA +15VA +15VA -15VA -15VA -15VA -15VA -15VA -15VA +15VA +15VA S/C_IN_CH2 CH2_CTRL EXPLEDS_CH2 COMPLEDS_CH2 PE

27、AK_DET_CH2 C B A C D 654321 D B A RELEASED: DRAWN: DATED: DATED: COMPANY: TITLE: DRAWING NO: REV: Lynnwood, WA 98037-2303 14926 35th Ave. W. SYMETRIX INC. SHEET:OF SYSTEM (SHOWN IN) LIMITER THRESHOLD (FRONT PANEL) CH2 LIMITER SIDE CHAIN LIMITER THRESHOLD TRIM 425 DUAL COMP/LIMITER/EXPANDER 022425 C.

28、4 67 IN/OUT D28 1N4148 R164 2M0 C64 .039 5 + 6 - 7 U22B 4560 R162 15K8 D25 1N4148 C63 10pF R163 10K0 R179 191 D30 1N4148 R177 1M 3 + 2 - 1 U25A 4560 R174 301K R176 24K3 D29 1N4148 R175 1K00 CW 3 1 2 R186 50KB C66 .047 R180 49K9 C67 .01 CW 3 1 2 R172 100K 5 4 6 SW3B R173 536K R185 301K TP4 LIM SYM -1

29、5VA +15VA +15VA PEAK_DET_CH2 CH2_CTRL LIMLEDS_CH2 -15VA A C B A C D 654321 D B REV: DRAWN: RELEASED: DATED: DATED: COMPANY: DRAWING NO: TITLE: Lynnwood, WA 98037-2303 14926 35th Ave. W. SYMETRIX INC. SHEET:OF IS INSTALLED CUT IF SW5 425 DUAL COMP/LIMITER/EXPANDER 022425 C.4 77 OPTIONAL MAINS POWER (

30、INTERNAL PC MOUNTED) IEC POWER JACK A.C.RANGE SELECT SWITCH (INTERNAL) MAINS FUSE 1/4 AMP FUSE FOR 117V 1/8 AMP FUSE FOR 230V FOR EXTERNAL POWER (OMIT T1, SW4-5 J14, & J12) R161 10.0 OHM C58 .01uF 1 3 2 J12 IEC A.C. JACK 2 1 3SW5A 5 6 4SW5B + C59 1000/35 + C62 1000/35 1 VIN 3 VOUT 2 GND U20 78M15 2

31、VIN 3 VOUT 1 GND U21 79M15 C57 4.7NP C60 4.7NP C56 .01uF C61 .01uF 8 4 U1C 4560 8 4 U3C 4560 8 4 U6C 4560 8 4 U4C 4560 8 4 U8C 4560 8 4 U18C 4560 8 4 U7C 4560 8 4 U11C 4560 8 4 U22C 4560 BP1 .1uF/50V BP2 .1uF/50V BP3 .1uF/50V BP4 .1uF/50V BP5 .1uF/50V BP6 .1uF/50V BP7 .1uF/50V BP8 .1uF/50V BP9 .1uF/

32、50V BP10 .1uF/50V BP11 .1uF/50V BP12 .1uF/50V BP13 .1uF/50V BP14 .1uF/50V BP15 .1uF/50V BP16 .1uF/50V BP17 .1uF/50V BP18 .1uF/50V BP19 .1uF/50V BP20 .1uF/50V 8 4 U25C 4560 8 4 U2C 4560 8 4 U12C 4560 8 4 U23C 4560 8 4 U17C 4560 8 4 U14C 4560 8 4 U19C 4560 1 6 2 5 7 11 8 10 12 T1 120028 JP2 0 OHM JP1 0 OHM 12 J14 230 VAC115 VAC 46 13 2 5 SW4 HS2 HS_6021 HS1 HS_6021 D33 1N4003 D34D35 D36 123456 J11 +15VA -15VA +15VA -15VA