Symetrix 425_2A00_sch 电路图.pdf

《Symetrix 425_2A00_sch 电路图.pdf》由会员分享，可在线阅读，更多相关《Symetrix 425_2A00_sch 电路图.pdf（4页珍藏版）》请在收音机爱好者资料库上搜索。

1、REVISIONS DONE OR ECO NUMBER: Lynnwood, WA 98037 14926 35th Ave. W. OF DRAWN: REV: DRAWING NO: COMPANY: TITLE: DATED: LTR C B A C D 654321 DATE: D B A RELEASED:DATED: REVISION RECORD SHEET: SYMETRIX INC. CH1 EXPANDER LEDS CH1 COMPRESSOR LEDS CH1 OUTPUT LEDS CH1 LIMITER LEDS -2dB -6dB -12dB -18dB -2d

2、B -4dB -6dB -8dB -10dB -12dB -25dB -3dB -6dB -9dB -12dB - 2 0 -10 0VU CLIP -15dB STEREO DUAL FROM MOTHERBOARD 4 425 LED DAUGHTERBOARD A0 0234251 BVALUE CHANGES IN OUTPUT LED STRING12/19/91 CC4 & C5 ADDED AS PER ECO 1692/13/92 CHANGES AS PER ECO 425-0017 / 9 / 9 2D (RED) (GREEN) (RED) (RED) (GREEN) (

3、GREEN) (RED) (RED) (RED) (RED) (RED) (RED) (RED) (RED) (RED) (RED) (RED) (RED) (RED) (RED) (RED) (RED) E ECO 425-8 SWAPPING LED REF DES. D40-D43 & D60-D63 8 / 2 4 / 9 3 B.G. A0 CHGD REV TO CONFORM TO NEW CONVENTION. 3 / 2 0 / 9 5 CORRECTED P/N AND DWG ERRORS, 9 + 8 - 14 U1D LM339 11 + 10 - 13 U1C LM

4、339 5 + 4 - 2 U1B LM339 7 + 6 - 1 U1A LM339 R2 2K67 R3 3K01 R4 4K22 R5 4K22 R6 35K7 R1 1M 1 2 3 Q1 2N4403 R7 120 OHM R8 10K D5 1N4148 D6 1N4148 9 + 8 - 14 U3D LM339 11 + 10 - 13 U3C LM339 5 + 4 - 2 U3B LM339 7 + 6 - 1 U3A LM339 R14 10K5 R15 6K49 R16 5K76 R17 5K62 R9 5K62 9 + 8 - 14 U2D LM339 5 + 4 -

5、 2 U2B LM339 7 + 6 - 1 U2A LM339 R10 5K62 R11 8K45 R18 28K0 R12 124K R13 1M 1 2 3 Q2 2N4403 D15 1N4148 D16 1N4148 R19 120 OHM R20 10K 9 + 8 - 14 U4D LM339 11 + 10 - 13 U4C LM339 5 + 4 - 2 U4B LM339 7 + 6 - 1 U4A LM339 R22 8K45 R23 5K90 R24 5K49 R25 5K76 R26 100K0 1 2 3 Q3 2N4403 R27 120 OHM R28 10K

6、D17 1N4148 D18 1N4148 9 + 8 - 14 U5D LM339 11 + 10 - 13 U5C LM339 5 + 4 - 2 U5B LM339 7 + 6 - 1 U5A LM339 R29 549 OHM R30 1K21 R33 3K83 R34 12K1 R35 30K1 1 2 3 Q4 2N4403 R31 120 OHM R32 10K D23 1N4148 D24 1N4148 R21 1M 1 J1A 2 J1B 3 J1C 4 J1D 5 J1E 6 J1F 7 J1G 8 J1H 11 + 10 - 13 U2C LM339 C3 .01uF/2

7、5V D1 D2 D3 D4 D7 D8 D9 D10 D11 D12 D13 D14 D19 D20 D21 D22 D28 D27 D26 D25 D32 D33 1 2 JP1 0 OHM 12 JP2 0 OHM 1 2 JP10 0 OHM 12 JP6 0 OHM 1 2 JP16 0 OHM 12 JP15 0 OHM 12 JP20 0 OHM 12 JP19 0 OHM 12 JP13 0 OHM 12 JP14 0 OHM +15VA +15VA +15VA -15VA -15VA -15VA -15VA -15VA -15VA -15VA +15VA +15VA EXPL

8、EDS_CH1 EXPLEDS_CH1 COMPLEDS_CH1 O/PLEDS_CH1 LIMLEDS_CH1 COMPLEDS_CH1 +15VA DETECT_CH1 DETECT_CH1 LIMLEDS_CH1 RadioFans.CN 收音机爱 好者资料库 C B A C D 654321 D B A Lynnwood, WA 98037 14926 35th Ave. W. COMPANY: SYMETRIX INC. TITLE: DRAWING NO: REV: SHEET:OF DATED: DATED: DRAWN: RELEASED: CH2 EXPANDER LEDS

9、CH2 COMPRESSOR LEDS -2dB -6dB -12dB -18dB -2dB -4dB -6dB -8dB -10dB -12dB -15dB -25dB CH2 OUTPUT LEDS CH2 LIMITER LEDS -3dB -6dB -9dB -12dB - 2 0 -10 0VU CLIP 425 LED DAUGHTERBOARD 24 A0 023425 (RED) (GREEN) (GREEN) (GREEN) (RED) (RED) (RED) (RED) (RED) (RED) (RED) (RED) (RED) (RED) (RED) (RED) (RED

10、) 9 + 8 - 14 U7D LM339 11 + 10 - 13 U7C LM339 5 + 4 - 2 U7B LM339 7 + 6 - 1 U7A LM339 R39 2K67 R40 3K01 R43 4K22 R44 4K22 R45 35K7 R38 1M 1 2 3 Q5 2N4403 R41 120 OHM R42 10K D38 1N4148 D39 1N4148 9 + 8 - 14 U9D LM339 11 + 10 - 13 U9C LM339 5 + 4 - 2 U9B LM339 7 + 6 - 1 U9A LM339 R51 10K5 R52 6K49 R5

11、3 5K76 R54 5K62 R47 5K62 9 + 8 - 14 U8D LM339 11 + 10 - 13 U8C LM339 5 + 4 - 2 U8B LM339 7 + 6 - 1 U8A LM339 R48 5K62 R49 8K45 R55 28K0 R46 124K R50 1M 1 2 3 Q6 2N4403 D49 1N4148 D50 1N4148 R56 120 OHM R57 20K0 9 + 8 - 14 U11D LM339 11 + 10 - 13 U11C LM339 5 + 4 - 2 U11B LM339 7 + 6 - 1 U11A LM339 R

12、62 8K45 R64 5K90 R65 5K49 R66 5K76 R67 100K0 1 2 3 Q7 2N4403 R60 120 OHM R61 10K D54 1N4148 D55 1N4148 9 + 8 - 14 U12D LM339 11 + 10 - 13 U12C LM339 5 + 4 - 2 U12B LM339 7 + 6 - 1 U12A LM339 R68 549 OHM R69 1K21 R72 3K83 R73 12K1 R74 30K1 1 2 3 Q8 2N4403 R70 120 OHM R71 10K D64 1N4148 D65 1N4148 R63

13、 1M 9 J1I 10 J1J 11 J1K 12 J1L 13 J1M 14 J1N 15 J1O 16 J1P D31 1N4148 D48 1N4148 D53 1N4148 C13 .01uF/25V D34 D35 D36 D37 D40 D41 D42 D43 D44 D45 D46 D47 D56 D57 D58 D59 D63 D62 D61 D60 1 2 JP31 0 OHM 12 JP32 0 OHM 12 JP41 0 OHM 12 JP54 0 OHM 12 JP46 0 OHM 12 JP24 0 OHM 12 JP23 0 OHM 12 JP22 0 OHM 1

14、2 JP25 0 OHM 1 2 JP37 0 OHM 12 JP38 0 OHM 12 JP43 0 OHM +15VA +15VA +15VA +15VA +15VA -15VA -15VA -15VA -15VA -15VA -15VA +15VA EXPLEDS_CH2 LIMLEDS_CH2 DETECT_CH2 EXPLEDS_CH2 LEDBUSS LEDBUSS LEDBUSS LEDBUSS COMPLEDS_2 COMPLEDS_CH2 O/PLEDS_CH2 LIMLEDS_CH2 COMPLEDS_CH2 RadioFans.CN 收音机爱 好者资料库 C B A C

15、D 654321 D B A Lynnwood, WA 98037 14926 35th Ave. W. COMPANY: SYMETRIX INC. TITLE: DRAWING NO: REV: SHEET:OF DATED: DATED: DRAWN: RELEASED: 425 LED DAUGHTERBOARD 34 A0 023425 3 12 U1E LM339 3 12 U3E LM339 3 12 U2E LM339 3 12 U4E LM339 3 12 U5E LM339 3 12 U7E LM339 3 12 U9E LM339 3 12 U8E LM339 3 12

16、U11E LM339 3 12 U12E LM339 3 + 2 - 1 U6A RC4560 5 + 6 - 7 U6B RC4560 D30 1N4148 D29 1N4148 1 2 R37 20K0+ C4 3.3/25t 3 + 2 - 1 U10A RC4560 5 + 6 - 7 U10B RC4560 D52 1N4148 D51 1N4148 + C9 3.3/25t C1 .1uF/50V C2 .1uF/50V C7 .1uF/50V C14 .1uF/50V C8 .1uF/50V C12 .1uF/50V 8 4 U6C RC4560 8 4 U10C RC4560

17、C5 .1uF/50V C6 .1uF/50V C11 .1uF/50V C10 .1uF/50V 1 2 R36 20K0 R59 20K0 R58 20K0 1 2 JP51 0 OHM 12 JP21 0 OHM +15VA -15VA +15VA +15VA -15VA -15VA AGND O/PLEDS_CH1 AGND DETECT_CH1 AGND O/PLEDS_CH2 AGND DETECT_CH2 AGND AGND AGND AGND AGND AGND RadioFans.CN 收音机爱 好者资料库 Lynnwood, WA 98037 14926 35th Ave.

18、 W. SYMETRIX INC. SHEET: DATED:RELEASED: A B D 123456 D C A B C DATED: TITLE: COMPANY: DRAWING NO: REV: DRAWN: OF023425 425 LED DAUGHTERBOARD A0 44 12 JP3 0 OHM 12 JP7 0 OHM 12 JP27 0 OHM 12 JP4 0 OHM 12 JP11 0 OHM 12 JP12 0 OHM 12 JP17 0 OHM 12 JP28 0 OHM 12 JP5 0 OHM 12 JP9 0 OHM 12 JP8 0 OHM 12 J

19、P30 0 OHM 12 JP29 0 OHM 12 JP45 0 OHM 12 JP42 0 OHM 12 JP44 0 OHM 12 JP49 0 OHM 12 JP48 0 OHM 12 JP47 0 OHM 12 JP50 0 OHM 12 JP55 0 OHM 12 JP57 0 OHM 12 JP39 0 OHM 12 JP34 0 OHM 12 JP26 0 OHM 12 JP33 0 OHM 12 JP36 0 OHM 12 JP40 0 OHM 12 JP35 0 OHM 12 JP52 0 OHM 12 JP53 0 OHM 12 JP56 0 OHM 12 JP18 0 OHM -15VA -15VA +15VA+15VA LEDBUSSLEDBUSS