Crate_CSM8_Mixer_Schematics电路图.pdf

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1、Date: November 22, 2000Sheet 1of 9 SizeDocument NumberREV CBLOCK.SCHa Title CSM8. BLOCK DIAGRAM CRATE PCB-R REC_L G_BUS REC_R V+ REC_IN_R G_BUS REC_IN_L V- 6. 6. 8. PCB-O G_RTN RTN_2 RTN_1 AX4_SEND G_AUX AX3_SEND G_AUX AX2_SEND MON_R G_BUS MON_LG_AUX1 AX1_SEND L_OUT G_LR BAL_L+ G_LR BAL_L- G_LR BAL_

2、R- G_LR BAL_R+ G_LR R_OUT G_LR G_LR MIX_SEND MIX_BAL- MIX_BAL+ 10. MODULE_1 (CHANNEL) PCB-A(CHANNEL_1) FADER1 IN1_ G1 IN1 IN2_ G1 IN2 GND FADER2 +48V AUX2 G1 AUX3 G1 AUX4 G1 CUE G1 AUX1 V- V+ L G2 R PCB-A(CHANNEL_2) FADER1 IN1_ G1 IN1 IN2_ G1 IN2 GND FADER2 +48V AUX2 G1 AUX3 G1 AUX4 G1 CUE G1 AUX1 V

3、- V+ L G2 R PCB-A(CHANNEL_3) FADER1 IN1_ G1 IN1 IN2_ G1 IN2 GND FADER2 +48V AUX2 G1 AUX3 G1 AUX4 G1 CUE G1 AUX1 V- V+ L G2 R 1. PCB-A(CHANNEL_4) FADER1 IN1_ G1 IN1 IN2_ G1 IN2 GND FADER2 +48V AUX2 G1 AUX3 G1 AUX4 G1 CUE G1 AUX1 V- V+ L G2 R 1.1. 1. 7. 11. PCB-C +48V AUX2 G_BUS AUX3 G_BUS AUX4 G_BUS

4、CUE G_BUS AUX1 V- V+ L G_BUS R V+ G_BUS G_BUS V- G_GND RTN_1L RTN_1R RTN_2L G_GND RTN_2R REC_R G_BUS REC_L 5. 6. 9. 5. 8. 1. 4. 7. 1. PCB-A FADER1 GND FADER2 2. PCB-A FADER1 GND FADER2 PCB-A FADER1 GND FADER2 2.2. MODULE_2 (CHANNEL) PCB-A FADER1 GND FADER2 2. PCB-A(CHANNEL_5) FADER1 IN1_ G1 IN1 IN2_

5、 G1 IN2 GND FADER2 +48V AUX2 G1 AUX3 G1 AUX4 G1 CUE G1 AUX1 V- V+ L G2 R PCB-A(CHANNEL_6) FADER1 IN1_ G1 IN1 IN2_ G1 IN2 GND FADER2 +48V AUX2 G1 AUX3 G1 AUX4 G1 CUE G1 AUX1 V- V+ L G2 R PCB-A(CHANNEL_7) FADER1 IN1_ G1 IN1 IN2_ G1 IN2 GND FADER2 +48V AUX2 G1 AUX3 G1 AUX4 G1 CUE G1 AUX1 V- V+ L G2 R 1

6、. PCB-A(CHANNEL_8) FADER1 IN1_ G1 IN1 IN2_ G1 IN2 GND FADER2 +48V AUX2 G1 AUX3 G1 AUX4 G1 CUE G1 AUX1 V- V+ L G2 R 1.1. 11. LED DISPLAY AX4_SEND G_AUX AX3_SEND G_AUX AX2_SEND G_EAR +48V_C +48V V+_UNR DC_IN LED+ G_MUTE MON_R MON_L G_BUS V+ REC_IN_R G_BUS REC_IN_L V- G_AUX1 AX1_SEND V- V+ HP_L G_BUS H

7、P_R G_EAR 3. 9. 3. 6. L_OUT G_LR BAL_L+ G_LR BAL_L- G_LR G_LR MIX_SEND R_OUT G_LR BAL_R+ G_LR BAL_R- G_LR MIX_BAL- MIX_BAL+ 10. 12. 1. PCB-H V- V+ HP_L G_BUS HP_R G_EAR 12. PCB-A FADER1 GND FADER2 2. PCB-A FADER1 GND FADER2 PCB-A FADER1 GND FADER2 2.2. MODULE_3 (CHANNEL) PCB-A FADER1 GND FADER2 2. P

8、CB-A(CHANNEL_9) FADER1 IN1_ G1 IN1 IN2_ G1 IN2 GND FADER2 +48V AUX2 G1 AUX3 G1 AUX4 G1 CUE G1 AUX1 V- V+ L G2 R PCB-A(CHANNEL_10) FADER1 IN1_ G1 IN1 IN2_ G1 IN2 GND FADER2 +48V AUX2 G1 AUX3 G1 AUX4 G1 CUE G1 AUX1 V- V+ L G2 R PCB-A(CHANNEL_11) FADER1 IN1_ G1 IN1 IN2_ G1 IN2 GND FADER2 +48V AUX2 G1 A

9、UX3 G1 AUX4 G1 CUE G1 AUX1 V- V+ L G2 R 1. PCB-A(CHANNEL_12) FADER1 IN1_ G1 IN1 IN2_ G1 IN2 GND FADER2 +48V AUX2 G1 AUX3 G1 AUX4 G1 CUE G1 AUX1 V- V+ L G2 R 1.1. T10A/250V 13. 115 AC1 AC2 4. PCB-E G_BUS V-AC1 AC2 AC3 AC4 AC5 AC6 AC7 G_BUS V+ G_EAR +48V_C +48V V+_UNR DC_IN LED+ G_MUTE 7. 7. 9. = CSM8

10、 3. 3. 4. 0 100 115 0 100 AC3 AC4 AC5 AC6 PCB-A FADER1 GND FADER2 2. PCB-A FADER1 GND FADER2 PCB-A FADER1 GND FADER2 2.2. PCB-A FADER1 GND FADER2 2. AC7 Date: November 22, 2000Sheet 2of 9 SizeDocument NumberREV BCHANNEL.SCH(PCB-A)E Title CSM8 CHANNEL 1_8 CRATE PEAK = SIGNAL = V+V+ R147 1K R149 1K D1

11、01BLED*2 D101ALED*2 B+ C122 100pF GAIN = C105 2200pF C103 470uF/10V* VR101 10KC 05C TAPER R122 5.6K 1% C104 2200pF R120 27* C124 22uF/63V* R121 5.6K 1% IN1_ R103 100 3 L101 1uH R157 100K JK101 XLR JACK 2 1 +48V R158 100* R129 100K R159 6.8K R160 6.8K C136 47uF/63V* IN1 R104 100 L102 1uH C127 22uF/63

12、V* R134 10K 1% Q101 2SA970 C101 0.001uF Q102 2SC2240 R124 680* R130 5.11K 1% C125 22uF/63V* C106 220pF R123 680* Q104 2SA970 Q103 2SC2240 C123 100pF R127 15K* R128 15K* 5 6 7 IC101B 2068 R105 100 C109 22uF/25V Q106 2SC1815 Q107 2SC1815 R148 10K Q105 2SC1815 C135B 10uF/16V G_LED G_LED R151 4.7K R152

13、22K R150 3.9K C135A 2.2uF/25V D102A 1N4148 R154A 10K G_LED G_LED R153 33K R154B 150K 5 6 7 IC102AB 4558 R153A 10K R153B 390K R106 100K C109A 10uF/16V INST_S D102 IN4148 D103 IN4148 D106 1N4148 D105 1N4148 R125 680 1% C102 0.001uF R131 5.11K 1% R126 680 1% R133 20K C128 22uF/63V* R135 10K 1% IN2_ IN2

14、 R132 20K R136 560 HI_Z JK103 INSERT JK102 C111 0.033uFM VR104 50KB C.C LOW C112 0.033uFM B- 1 2 3 SW102A CUE VR107 25KA J105 JUMP_O AUX3 CUE R145 27K R146 39K B+ B- 3 2 1 8 4 IC102AA 4558 G_LED AUX2 AUX2 = AUX1 AUX2 AUX3 AUX1 AUX2 AUX3 R144 27K VR106 25KA J101 JUMP J104 JUMP_O J103 JUMP AUX4 R162 2

15、7K AUX4 = PRE_EQ AUX3 = VR108 25KA J107 JUMP_O J106 JUMP J108 JUMP BUSS BUSS 3 2 1 8 4 IC102A 4558 R113 10K C11547pF B- C120 0.01uF R112 10K C137 150pF C139 22uF/25VR108 33K R107 10K C114 10pF C107 0.01uF B- INST_S C110 22uF/25V R109 10K R111 4K7 G2HIGH R110 4K7 C113 0.0012uFM VR102 50KB C.C B+ C108

16、 0.01uF 3 2 1 8 4 IC101A 2068 C117 0.0027uFM C116 0.0068uFM R114 18K R115 18K C129 22uF/25V B+ C119 0.01uF C138 47pF R116 47K C130 22uF/25V 5 6 7 IC102B 4558 POST AUX1 = R139 8.2K VR105 25KA J102 JUMP_O BUSS BUSS L AUX1 R141 18K R143 27K R R142 18K PAN = R138 100K R140 8.2K SW101 MUTE VR109 50KB BUS

17、S C12147pF BUSS R118 24K R117 13K C118 22uF/25V 1 2 3 CN101 1 2 3 JP101 VR110 50KA LEVEL V+B+ MID R10222 VR103 50KB C.C C131 10uF/25VV+ V- G2 AUX1 AUX2 AUX3 G2 CUE +48V AUX4 G2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 CN102 HEADER 15 G_LED C126 0.1uF R161 100K 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 JP102 HE

18、ADER 15 +48VL G2 R V-B- R10122 C132 10uF/25V BUSS Date: November 22, 2000Sheet 3of 9 SizeDocument NumberREV BMIX.SCH (PCB_C)B Title CSM8 L,R,RTN,CUE_SW,REC SECTION CRATE REC_L 1 2 3 JP307 HEADER 3 L R343 22K1/8 RTN VR332 100KB R341 22K PAN 5 6 7 IC331B 4558 C339 22uF/16V RTN C337100pF C345 0.01uF R3

19、3739K1/8 RTN C333 100pF C30122uF/25V V+ RTN R339 1.8K VR331A 50KB*2 RTN1_LEVEL R331 22K1/8 C331 22uF/16V BUS V+ V- V+ V- 1 2 3 4 JP309 HEADER 4 RTN_1_L 1 2 3 4 5 6 JP311 HEADER 6 C332 22uF/16V RTN R340 1.8K VR331B 50KB*2 RTN1_LEVEL R332 22K1/8 RTN C334 100pF C30222uF/25V V- C346 0.01uF 3 2 1 8 4 IC3

20、31A 4558 C340 22uF/16V RTN C338100pF R33839K1/8 R345 22K R R347 22K1/8 G_BUS REC_R LED GND 1 2 JP504 HEADER 2 L RTN PAN VR334 100KB R343A 22K1/8 R341A 22K1/8 RTN C339A 22uF/16V V+ C301A 22uF/25V C337A 100pF C345A 0.01uF 5 6 7 IC332B 4558 R337A39K1/8 RTN RTN C333A 100pF R339A 1.8K1/8 VR335A 50KB*2 RT

21、N2_LEVEL C331A 22uF/16V R331A 22K1/8 RTN RTN_1_R RTN_2_L RTN_2_R V- V+ AUX1 G_BUS AUX2 G_BUS AUX3 G_LED CUE +48V AUX4 G_BUS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 JP301 HEADER 15 C332A 22uF/16V R332A 22K1/8 RTN RTN C334A 100pF R340A 1.8K1/8 VR335B 50KB*2 RTN2_LEVELV- C346A 0.01uF C338A100pF C302A 22uF/

22、25V 3 2 1 8 4 IC332A 4558 R338A39K1/8 C35510pF V- C340A 22uF/16V RTN R353 20K1/8 C3570.01uF R345A 22K1/8 R347A 22K1/8 R REC_L MUTE_C BUS Q306 2SC2878 R364 1K1/8 R365 10K1/8 BUS C356 0.01uF BUS C358 22uF/16V BUS R362 1K1/8 R363 100K1/8 BUS V+ 3 2 1 8 4 IC302A 4558 C34933pF 5 6 7 IC302B 4558 R352100K1

23、/8 R388 68K C359 22uF/25V C390 22uF/16V VR325 50KA L LEVEL R350 39K1/8 LL MIX C348 22uF/25V R349 33K1/8 5 6 7 IC301B 4558 BUS C32033pF R32922K1/8 L L G_BUS R C318 22uF/16V CUE_L V- CUE_L C3190.01uF R336 10K C34333pF R33022K1/8 SW301 SW SPDT CUE_L BUS LR BUS R389 68K MIX R368 39K1/8 V- C350 22uF/16V

24、3 2 1 8 4 IC304A 4558 C391 22uF/16V R37020K1/8 LL_LED C367 10pF BUS C370 0.01uF C376 22uF/16V LL_LED L_LED L_LED Q310 2SC2878 R3021K LL_LED R385 1K1/8 R386 1K1/8 R384 100K1/8 R387 10K1/8 REC_R MUTE_C R_LED R_LED BUSBUS R3041K RR_LED C369 0.01uF BUS RR_LED V+ BUS 5 6 7 IC304B 4558 C36633pF C368 22uF/

25、16V R369100K1/8 LR C365 22uF/16V VR326 50KA R LEVEL BUS BUS C364 22uF/25V RR SW302 SW SPDT CUE_R R367 33K1/8 V+ 3 2 1 8 4 IC301A 4558 BUS C330 0.01uF R366 10K R C344 22uF/16V CUE_R CUE_R BUS BUS 1 2 RESERVE BUS RTN C306 0.1uF BUSLR 1 2 RESERVE C353 0.1uF Date: November 22, 2000Sheet 4of 9 SizeDocume

26、nt NumberREV BAUX1.SCH (PCB-C)B Title CSM8 AUX1,2,3,4 MUTE CONTROL SECTION CRATE 1 2 3 4 5 6 7 JP305 HEADER 7 DC_IN V+_UNR G_EAR LED+ G_MUTE +48V +48V_C AX1_SEND AX1_SEND AUX1_LED AUX1_LED R334 1K1/8 C317 22uF/16V R301 1K R328 100K1/8 R327 1K1/8 BUS V- C314 0.01uF 3 2 1 8 4 IC322A 4558 C31622pF VR32

27、4 50KA AUX1_LEVEL R326 68K1/8 C315 22uF/16V R325 22K1/8 BUS 5 6 7 IC322B 4558 C31222pF R32027K1/8 V+ V- V+ V- MUTE_C MUTE_C AUX1 AUX1 C342 22uF/16V C3280.01uF C35233pF R35115K1/8 BUS AUX1 V+ C313 0.01uF BUS R305 68K C30322pF AUX1 MUTE_C DC_IN Q304 2SC2878 AUX1 R335 10K1/8 R373 47K R371 10K Q307 2SC1

28、740 R374 5.6K V+_UNR R372 47K Q308 2SA970 R375 8.2K MUTE_C MUTE C374 47uF/50V C347 0.1uFM D373 1N4148 MUTEMUTE MUTE_C AX2_SEND AX2_SEND AUX R311 1K R31210K Q301 2SC2878 AUX C305 22uF/16V R307 100K R308 1K AUX V+ AUX V- AUX BUS VR321 50KB AUX2_LEVEL C325 0.01uF C323 0.01uF 3 2 1 8 4 IC351A 4558 C354

29、22uF/16V BUS R322 22K 3 2 1 8 4 IC321A 4558 V- V+ C329 0.01uF BUS BUS C32233pF C351 22uF/16V AUX2 AUX2 C321 22uF/16V AUX3 AUX3 5 6 7 IC321B 4558 BUS R32115K C324 22uF/16V R323 22K AUXBUS VR322 50KB AUX3_LEVEL 5 6 7 IC351B 4558 R306 68K C30422pF C307 22uF/16V R310 1K R309 100K MUTE_C MUTE_C AX3_SEND

30、AX3_SEND R313 1K R31410K Q302 2SC2878 BUS BUS C691 0.1uFM AUX 1 2 AUX1 1 2 AUX 1 2 3 4 5 JP302 HEADER 5 AX4_SEND AX3_SEND AX2_SEND AUX R318 1K AUX AUX C309 22uF/16V R316 1K VR323 50KB AUX4_LEVEL V- C310 0.01uF 3 2 1 8 4 IC352A 4558 R315 68K C30822pF BUS C341 22uF/16V R324 22K 3 2 1 8 4 IC332A 4558 V

31、- C3260.01uF R33315K C33633pF AUX4 AUX4 C335 22uF/16V BUS V+ C3270.01uF BUS AUX BUS V+ AUX AUX R317 100K C311 0.01uF MUTE_C MUTE_C AX4_SEND AX4_SEND AUX R31910K Q303 2SC2878 MIX_LED C385 22uF/16V MIX_OUT MIX_OUT R303 1K1/8 V+ BUS 3 2 1 8 4 IC306A 4558 C379 0.01uF C380 0.01uF C382 100pF VR327 50KA MI

32、X_LEVEL C381 22uF/16V R391 10K1/8 BUS 5 6 7 IC306B 4558 C37822pF R39033K1/8 MIX MIX C377 22uF/16V CUE_MIX CUE_MIX SW303 SW SPDT BUS LR LR C383 22uF/16V R392 4.3K1/8 V- BUS C38433pF R39312K1/8 Date: November 22, 2000Sheet 5of 9 SizeDocument NumberREV BDISPLAY.SCH (PCB-C)B Title CSM8 DISPLAY SECTION C

33、RATE +5V Q703 2SA1015 R704 2.2K 1/4W +5V C706 100uF/10V R719 330 1/4W C708 10uF/25V Q702 2SC1815 R718 22K LED703 PEAK 2 +5V R716 330 1/4W LED702 PEAK 1 C707 10uF/25V Q701 2SC1815 R715 22K R714 68K IN_L/A1 C702 10uF/16V R703 47K C701 1uF/50V C703 10uF/16V C704 1uF/50V R702 47K CH1 IN 1 CR1 2 CH2 IN 3

34、 CR2 4 DC IN 5 AC/DC 6 MUTE 7 PEAK 8 OSC 9 GND 10 LED GND 11 D4-2 12 D3-2 13 D2-1 14 D1-1 15 O6 16 O5 17 O4 18 O3 19 O2 20 O1 21 VCC 22 IC701 BA6822S R717 68K +5V R705 22 1/4W R706 22 1/4W R707 22 1/4W LED704 GR LED705 GR LED706 GR LED707 GR LED708 YL LED709 YL LED714 GR LED715 GR LED716 GR LED717 G

35、R LED718 YL LED719 YL LED710 YL LED711 RED LED712 RED LED713 RED LED720 YL LED721 RED LED722 RED LED723 RED +5V +5V Q704 2SA1015 R710 2.2K 1/4W +5V Q705 2SA1015 Q706 2SA1015 R711 2.2K 1/4W R712 2.2K 1/4W R70822 1/4W R709 22 1/4W +5V +5V C705 0.01uF R701 39K +5V IN_R/A2 L_LED L_LED AUX1_LED AUX1_LED

36、VU_L 1 2 3 SW701A 1RSW2-2 VU_L SVR701 10K IN_L/A1 G_MUTE VU_RVU_R 4 5 6 SW701B 1RSW2-2 R_LED R_LED MIX_LED MIX_LED G_MUTE SVR702 10K IN_R/2 POWER_LED = G_MUTE D701 LED R713 1K V- V+ V- MUTE_GND LED+ V+ V- MUTE_GND +5V Date: November 22, 2000Sheet 6of 9 SizeDocument NumberREV BEAR.SCH(PCB-C)B Title C

37、SM8 HEADPHONE CRATE BUS MON_R MON_L 1 2 3 JP801 HEADER 3 V+ +48V_C D801 LED R822 1.3K OFF = SW801 SW DPDT PHANTOM POWER SW. G_MUTE L L REC_IN_L R820 22K1/8 REC_IN_R R821 22K1/8 R R ON = C807100pF PHANTOM POWER INDICATOR BUS AUX1 V+ REC_IN_R REC_IN_L V- AX1_SEND 1 2 3 4 5 6 7 JP303 HEADER 7 MUTE_C MO

38、N_R R806 100K R802 1K Q317 2SC2878 R815 1K R814 10K HP_RR C802 22uF/16V G_BUS R811 10K 5 6 7 IC801B 4558 R809 33K CUE_R CUE_R C803 10pF R80468K1/8 CUE CUE R406 0 R803 01/8 C811 22uF/25V C812 22uF/25V BUS R813 68K1/8 C804 22uF/16V CUEE 5 6 7 IC332B 4558 C808100pF R812 10K V- 3 2 1 8 4 IC801A 4558 R81

39、033K G_BUS HP_LL C821 0.01uF C801 22uF/16V BUS BUS R801 1K R807 1K MON_L HP_L G_EAR V- V+ G_BUS HP_R 1 2 3 4 5 6 JP802 HEADER 6 MUTE_C BUS BUS R805 100K Q318 2SC2878 R808 10K G_BUS C820 0.01uF G_BUS V+ CUE_L CUE_L CUE_MIX CUE_MIX HP_RR VR801A 25KA C805 10uF/25V HP_R EAR = R604 100K R606 9.1K 5 6 7 I

40、C601B 4556 R60824K R609 120 C606 330uF/16V HP_L G_EAR V- V+ G_BUS HP_R VP+ 1 2 3 4 5 6 CN601 HEADER 6V+ R601 100 V- G_BUS R602 100 VP- C601 10uF/50V C602 10uF/50V JK601 PHONEJACK STEREO R610 120 C605 330uF/16V VP+ 3 2 1 8 4 IC601A 4556 C604 100pF G_BUS G_BUS R603 100K G_BUS VR801B 25KA C806 10uF/25V

41、 HP_L HP_LL G_BUS G_BUS G_BUS R607 9.1K VP- C603 100pF R60524K Date: November 22, 2000Sheet 7of 9 SizeDocument NumberREV BREAR.SCH (PCB-I)B Title CSM8 REAR OUTPUT CRATE MIX_BAL- MIX_BAL+ MIX_SEND REAR_BOARD BAL_L+ BAL_L- BAL_R- 1 2 3 4 5 CN2 HEADER 5 1 2 3 4 5 6 7 8 9 CN1 HEADER 9 BALANCE OUTPUT L R

42、3 75 R4 100K LR 3 2 1 JK1 XLR MALE BAL_L- 1 2 3 4 JP304 HEADER 4 C361 0.01uF C363 0.01uF LRLR BAL_L+ BAL_L- R354 1K1/8 V- V+ V- C36268pF 3 2 1 8 4 IC303A 4558 C392 22uF/25V R361 33K1/8 PCB-C LL_LED R358 33K1/8 V+ LR 5 6 7 IC303B 4558 MUTE_C MUTE_C C391 22uF/25V LR BAL_L- BAL_L+ Q313 2SC2878 Q312 2SC

43、2878 R402 10K1/8 R359 1K1/8 R356 10K1/8 BAL_L+ R1 75R2 100K LR BALANCE OUTPUT RRTN_1_R LR 1 2 3 4 5 6 CN3 HEADER 6 BAL_R+ RTN_2_R RTN_2_L JK9 STEREO JACK LR RTN2 = J10 STEREO JACK JK12 PHONEJACK AUX1_SEND RTN1 = AUX1 AX1_SEND RTN 1 2 CN5 HEADER 2 RTN_1_L LR R5 75 R7 75 R6 100K R8 100K 3 2 1 JK2 XLR

44、MALE BAL_R- BAL_R+ 1 2 3 4 5 JP306 HEADER 5 BAL_R+ C372 0.01uF LR V+ C37568pF R383 33K1/8 LRLR C360 100pF R360 100K1/8 RR_LED R376 33K1/8 V- V+ V- LR 3 2 1 8 4 IC305A 4558 MUTE_C C395 22uF/25V LR LR BAL_R-C373 0.01uF LR BAL_R- Q315 2SC2878 R378 1K1/8 R403 10K1/8 MIX_BAL- LR BALANCE OUTPUT MIX R11 75

45、 R12 100K 3 2 1 JK3 XLR MALE 1 2 3 4 5 CN6 HEADER 5 AUX AX4_SEND AX3_SEND AX2_SEND = AUX4_SEND = JK13 PHONEJACK JK8 PHONEJACK AUX3_SEND = AUX2_SEND = JK7 PHONEJACK JK4 PHONEJACK STEREO SW R14 1K BAL_L- LR LR R9 75R10 100K MIX_BAL+ LR BAL_R+ Q314 2SC2878 R377 1K1/8 R382 10K1/8 5 6 7 IC305B 4558 MUTE_

46、C C394 22uF/25V LRLR C371 100pF R381 100K1/8 R400 33K1/8 V+ V- 5 6 7 IC307B 4558 C38968pF R401 33K1/8 LRLR C386 0.01uF C388 0.01uF MIX_BAL+ MIX_SEND MIX_BAL- 1 2 3 4 JP308 HEADER 4 LR R19 1KR18 100K R25 100K MIX_SEND = BAL_L+ BAL_R- JK6 PHONEJACK STEREO SW R13 100K R17 1K LR R20 1K R21 100K LR L_OUT

47、 = JK5 PHONEJACK STEREO SW R_OUT =LR LR R16 100K R22 1K R23 100K JK11 PHONEJACK STEREO BAL_R+ MON_R R24 1K 1 2 3 CN4 HEADER 3 MIX_BAL+ LR MIX_BAL- MIX_BAL+ Q350 2SC2878 Q316 2SC2878 R405 1K1/8 R394 10K1/8 R395 1K1/8 R396 10K1/8 V+ LR 3 2 1 8 4 IC307A 4558 MUTE_C MUTE_C C398 22uF/25V C397 22uF/25V MI

48、X_OUT LRLR C387 100pF R399 100K1/8 V- LR BUS MON_L MON_OUTPUT = Date: November 22, 2000Sheet 8of 9 SizeDocument NumberREV BREC.SCH (PCB-R) Title CSM8 REC INPUT/OUTPUT CRATE V+ C817 0.01uF BUS 1 2 3 4 5 CN802 HEADER 5 V+ REC_IN_R REC_IN_L V- REC_IN_L V- 3 2 1 8 4 IC803A 4558 C818 0.01uF BUS R818 47K

49、BUSBUS C815 220pF C813 22uF/25V R816 1K L = 1 2 JK801A RCA2*2 R = 3 4 JK801B RCA2*2C814 22uF/25V R817 1K R819 47K BUSBUS C816 220pF 5 6 7 IC803B 4558 REC_IN_R BUS 5 6 JK801C RCA2*2 REC_L 1 2 3 CN803 HEADER 3 TAPE_IN FUNCTION BUS REC_R 7 8 JK801D RCA2*2 Date: November 22, 2000Sheet 9of 9 SizeDocument NumberREV BPOWER.SCH (PCB-E)a Title CS