Rane-Empath preamp 电路图.pdf

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1、RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 H:TTM55E1106774-1.SCH13-Feb-2003 CHECKED BY:DRAWN BY: SHEET: 10802 47th Avenue West Mukilteo WA 98275-5098 113 INPUT 1 EMPATH 106774 of ACTION: GNDGNDGND GND GND GND PHONO 1 LEFT PGM 1 LEFT 5 BOT L J2C 4-STA R38 47.5K R58 162 R64 90.9K R83 7.5K R89 20K

2、 C1 150PF C16 47PF C74 0.033 C83 0.01 L1 BEAD 5 6 7 Z1B 4580 +15 -15 GND GND LINE 1 LEFT LINE 1 RIGHT 6 BOT R J2D 4-STA 1 2 TOP L J2A 4-STA 3 4 TOP R J2B 4-STA R39 47.5K GND GNDGND GND GND R59 162 R65 90.9K R84 7.5K R90 20K C2 150PF C17 47PF C75 0.033 C84 0.01 L2 BEAD 3 2 1 84 Z1A 4580 GND R91 20K G

3、ND R92 20K GND R93 20K GND R94 20K 4 5 6 S1B 2P2T 1 2 3 S1A 2P2T PGM 1 RIGHT R149 30.1K R150 30.1K C18 47PF GND GND C126 4.7/50V R95 20K GND R96 20K GND 5 6 7 Z3B MC33078 GAIN TRIM PGM 15 6 7 Z2B MC33078 C19 47PF GND R201 100K R202 100K R241 5.11K R242 5.11K +/- 12 dB 8 3 2 1 4 Z2A MC33078 C20 47PF

4、GND R203 100K R204 100K R243 5.11K R244 5.11K R151 30.1K R152 30.1K C21 47PF GNDGND C127 4.7/50V R97 20K GND R98 20K GND 8 3 2 1 4 Z3A MC33078 +15 -15 CW 5 6 7 Z10B MC33078 +15 -15 R260 4.02K R261 4.02K GND 5 6 7 Z11B MC33078 GND 5 6 7 Z13B MC33078 GND R273 5.36K R274 5.36K R275 5.36K R276 5.36K R29

5、7 1.91K R298 1.91K R309 19.1K 5 6 7 Z14B MC33078 GNDGND C85 0.01 C86 0.01 C199 0.001 C200 0.001 C211 0.1 C212 0.1 C213 0.1 C214 0.1 C235 0.022 3 2 1 84 Z10A MC33078 +15 -15 R262 4.02K R263 4.02K GND 3 2 1 84 Z11A MC33078 GND 3 2 1 84 Z13A MC33078 GND R277 5.36K R278 5.36K R279 5.36K R280 5.36K R299

6、1.91K R300 1.91K R310 19.1K 8 3 2 1 4 Z14A MC33078 GNDGND C87 0.01 C88 0.01 C201 0.001 C202 0.001 C215 0.1 C216 0.1 C217 0.1 C218 0.1 C236 0.022 GND R315 10KR316 10K R99 20K GND R317 10KR318 10K GND R319 10KR320 10K 5 6 7 Z12B MC33078 +15 -15 GND GND R321 10KR322 10K R100 20K GND R323 10KR324 10K GN

7、D R325 10KR326 10K 8 3 2 1 4 Z12A MC33078 +15 -15 GND R101 20K 5 6 7 Z15B MC33078 C3 150PF GND R102 20K R103 20K 8 3 2 1 4 Z15A MC33078 C4 150PF GND R104 20K LOW LOW HIGH HIGH MID MID C128 4.7/50V C129 4.7/50V PGM1_L PGM1_R UP CW CCW UP UP UP CW C130 4.7/50V C131 4.7/50V C132 4.7/50V C133 4.7/50V C1

8、35 4.7/50V C136 4.7/50V C137 4.7/50V C138 4.7/50V TONE TONE INPUT 2 106774-2.SCH INPUT 3 106774-3.SCH VCA 106774-4.SCH VCA 2 106774-5.SCH VCA 3 106774-6.SCH SUM 106774-8.SCH CUE 106774-9.SCH METER 10677410.SCH OUTPUT 10677411.SCH MIC 106774-7.SCH +15 -15 +15 -15 +15 -15 TOP SH. 4 & 9 1 J25A 1 J26A 2

9、 J25B 2 J26B 3 J25C 3 J26C 4 J25D 4 J26D 6 J25F 6 J26F GNDGND 5 J25E 5 J26E GNDGND 1 J33A J34-1 SH. 12 SH. 4 & 9 3 J33C J34-3 SH. 12 L14 BEAD L15 BEAD C110 220PF GND L16 BEAD L17 BEAD C111 220PF 2 13 R2A 20KB 5 46 R2B 20KB 2 13 R1A 20KB 5 46 R1B 20KB 2 13 R7A 20KB 5 46 R7B 20KB 2 13 R8A 20KB 5 46 R8

10、B 20KB 2 13 R9A 20KB 5 46 R9B 20KB 1A 1B 1A 1B PHONO 1 RIGHT SOURCE SOURCE 4 5 6 S2B 2P2T 1 2 3 S2A 2P2T RJ + C105 100/10V + C104 100/10V R200 150K R205 150K C134 22/25V C139 22/25V C134 & C139 WERE 4.7/25V, 4.7/50V WERE 4.7/25V, WAS DOC 105695 SKH 29AUG02 RadioFans.CN 收音机爱 好者资料库 H:TTM55E1106774-2.S

11、CH13-Feb-2003 CHECKED BY:DRAWN BY: SHEET: 10802 47th Avenue West Mukilteo WA 98275-5098 213 INPUT 2 EMPATH 106774 of ACTION: GNDGNDGND GND GND PHONO 2 LEFT PGM 2 LEFT 5 BOT L J3C 4-STA R40 47.5K R60 162 R66 90.9K R85 7.5K R105 20K C5 150PF C22 47PF C76 0.033 C89 0.01 L3 BEAD 5 6 7 Z4B 4580 +15 -15 G

12、ND LINE 2 LEFT LINE 2 RIGHT 6 BOT R J3D 4-STA 1 2 TOP L J3A 4-STA 3 4 TOP R J3B 4-STA R41 47.5K GNDGND GND GND R61 162 R67 90.9K R86 7.5K R106 20K C6 150PF C23 47PF C77 0.033 C90 0.01 L4 BEAD 3 2 1 84 Z4A 4580 GND R107 20K GND R108 20K GND R109 20K GND R110 20K 4 5 6 S3B 2P2T 1 2 3 S3A 2P2T PGM 2 RI

13、GHT R153 30.1K R154 30.1K C24 47PF GND GND C140 4.7/50V 5 6 7 Z6B MC33078 GAIN TRIM PGM 25 6 7 Z5B MC33078 C25 47PF GND R207 100K R208 100K R245 5.11K R246 5.11K +/- 12 dB 8 3 2 1 4 Z5A MC33078 C26 47PF GND R209 100K R210 100K R247 5.11K R248 5.11K R155 30.1K R156 30.1K C27 47PF GND GND C141 4.7/50V

14、 8 3 2 1 4 Z6A MC33078 +15 -15 CW 5 6 7 Z16B MC33078 R264 4.02K R265 4.02K GND 5 6 7 Z17B MC33078 GND 5 6 7 Z19B MC33078 GND R281 5.36K R282 5.36K R283 5.36K R284 5.36K R301 1.91K R302 1.91K R311 19.1K 5 6 7 Z20B MC33078 GNDGND C91 0.01 C92 0.01 C203 0.001 C204 0.001 C219 0.1 C220 0.1 C221 0.1 C222

15、0.1 C237 0.022 3 2 1 84 Z16A MC33078 R266 4.02K R267 4.02K GND 3 2 1 84 Z17A MC33078 GND 3 2 1 84 Z19A MC33078 GND R285 5.36K R286 5.36K R287 5.36K R288 5.36K R303 1.91K R304 1.91K R312 19.1K 8 3 2 1 4 Z20A MC33078 GNDGND C93 0.01 C94 0.01 C205 0.001 C206 0.001 C223 0.1 C224 0.1 C225 0.1 C226 0.1 C2

16、38 0.022 GND R327 10KR328 10K R115 20K GND R329 10KR330 10K GND R331 10KR332 10K 5 6 7 Z18B MC33078 GND GND R333 10KR334 10K R116 20K GND R335 10KR336 10K GND R337 10KR338 10K 8 3 2 1 4 Z18A MC33078 +15 -15 GND R117 20K 5 6 7 Z21B MC33078 C7 150PF GND R118 20K R119 20K 8 3 2 1 4 Z21A MC33078 C8 150P

17、F GND R120 20K LOW LOW HIGH HIGH MID MID C142 4.7/50V C143 4.7/50V UP CW CCW UP CW C144 4.7/50V C145 4.7/50V C149 4.7/50V C150 4.7/50V PHONO 2 RIGHT +15 -15 +15 -15 +15 -15 R111 20K GND R112 20K GND R113 20K GND R114 20K GND PGM2_L PGM2_R UP UP C146 4.7/50V C147 4.7/50V C151 4.7/50V C152 4.7/50V TON

18、E TONE TOP 10 J25J 10 J26J 8 J25H 8 J26H 9 J25I 9 J26I 7 J25G 7 J26G SH. 4 & 9 12 J33L J34-12 SH. 12 SH. 4 & 9 10 J33J J34-10 SH. 12 GND GND GND L18 BEAD L19 BEAD C112 220PF GND L20 BEAD L21 BEAD C113 220PF +15 -15 +15 -15 +15 -15 2 13 R4A 20KB 5 46 R4B 20KB 2 13 R3A 20KB 5 46 R3B 20KB 2 13 R10A 20K

19、B 5 46 R10B 20KB 2 13 R11A 20KB 5 46 R11B 20KB 2 13 R12A 20KB 5 46 R12B 20KB 2A 2B 2A 2B SOURCE SOURCE 1 2 3 S4A 2P2T 4 5 6 S4B 2P2T RJ + C106 100/10V + C107 100/10V R206 150K R211 150K C148 22/25V C153 22/25V C148 & C153 WERE 4.7/25V, 4.7/50V WERE 4.7/25V, WAS DOC 105695 SKH 29AUG02 H:TTM55E1106774

20、-3.SCH13-Feb-2003 CHECKED BY:DRAWN BY: SHEET: 10802 47th Avenue West Mukilteo WA 98275-5098 313 INPUT 3 EMPATH 106774 of ACTION: GNDGNDGND GND GND GND PHONO 3 LEFT PGM 3 LEFT 5 BOT L J4C 4-STA R42 47.5K R62 162 R68 90.9K R87 7.5K R121 20K C9 150PF C28 47PF C78 0.033 C95 0.01 L5 BEAD 5 6 7 Z7B 4580 +

21、15 -15 GND GND LINE 3 LEFT LINE 3 RIGHT 6 BOT R J4D 4-STA 1 2 TOP L J4A 4-STA 3 4 TOP R J4B 4-STA R43 47.5K GNDGND GND GND R63 162 R69 90.9K R88 7.5K R122 20K C10 150PF C29 47PF C79 0.033 C96 0.01 L6 BEAD 3 2 1 84 Z7A 4580 GND R123 20K GND R124 20K GND R125 20K GND R126 20K 4 5 6 S5B 2P2T 1 2 3 S5A

22、2P2T PGM 3 RIGHT R157 30.1K R158 30.1K C30 47PF GND GND C154 4.7/50V 5 6 7 Z9B MC33078 GAIN TRIM PGM 35 6 7 Z8B MC33078 C31 47PF GND R213 100K R214 100K R249 5.11K R250 5.11K +/- 12 dB 8 3 2 1 4 Z8A MC33078 C32 47PF GND R215 100K R216 100K R251 5.11K R252 5.11K R159 30.1K R160 30.1K C33 47PF GND GND

23、 C155 4.7/50V 8 3 2 1 4 Z9A MC33078 +15 -15 CW 5 6 7 Z23B MC33078 R268 4.02K R269 4.02K GND 5 6 7 Z24B MC33078 GND 5 6 7 Z26B MC33078 GND R289 5.36K R290 5.36K R291 5.36K R292 5.36K R305 1.91K R306 1.91K R313 19.1K 5 6 7 Z28B MC33078 GNDGND C97 0.01 C98 0.01 C207 0.001 C208 0.001 C227 0.1 C228 0.1 C

24、229 0.1 C230 0.1 C239 0.022 3 2 1 84 Z23A MC33078 R270 4.02K R271 4.02K GND 3 2 1 84 Z24A MC33078 GND 3 2 1 84 Z26A MC33078 GND R293 5.36K R294 5.36K R295 5.36K R296 5.36K R307 1.91K R308 1.91K R314 19.1K 8 3 2 1 4 Z28A MC33078 GNDGND C99 0.01 C100 0.01 C209 0.001 C210 0.001 C231 0.1 C232 0.1 C233 0

25、.1 C234 0.1 C240 0.022 GND R339 10KR340 10K R131 20K GND R341 10KR342 10K GND R343 10KR344 10K 5 6 7 Z25B MC33078 GND GND R345 10KR346 10K R132 20K GND R347 10KR348 10K GND R349 10KR350 10K 8 3 2 1 4 Z25A MC33078 +15 -15 GND R133 20K 5 6 7 Z30B MC33078 C11 150PF GND R134 20K R135 20K 8 3 2 1 4 Z30A

26、MC33078 C12 150PF GND R136 20K LOW LOW HIGH HIGH MID MID C156 4.7/50V C157 4.7/50V UP CW CCW UP CW C158 4.7/50V C159 4.7/50V C163 4.7/50V C164 4.7/50V PHONO 3 RIGHT +15 -15 +15 -15 +15 -15 4 5 6 S6B 2P2T R127 20K GND R128 20K GND R129 20K GND R130 20K GND PGM3_L PGM3_R UP UP C160 4.7/50V C161 4.7/50

27、V C165 4.7/50V C166 4.7/50V TONE TONE TOP 1 J27A 1 J28A 3 J27C 3 J28C 4 J27D 4 J28D 2 J27B 2 J28B 5 J27E5J28E GNDGND 6 J27F6J28F GNDGND 10J27J10 J28J -15-15 8 J27H 8 J28H +15+15 9 J27I 9 J28I 7 J27G 7 J28G +15+15 -15-15 SH. 4 & 9 9 J35I J36-9 SH. 12 SH. 4 & 9 7 J35G J36-7 SH. 12 GND L22 BEAD L23 BEA

28、D C114 220PF GND L24 BEAD L25 BEAD C115 220PF +15 -15 +15 -15 +15 -15 C345 0.1 C306 0.1 C247 0.1 C248 0.1 C347 0.1 C346 0.1 C250 0.1 C249 0.1 GND +15 -15 GND +15 -15 GND GND 2 13 R5A 20KB 5 46 R5B 20KB 2 13 R6A 20KB 5 46 R6B 20KB 2 13 R15A 20KB 5 46 R15B 20KB 2 13 R13A 20KB 5 46 R13B 20KB 2 13 R14A

29、20KB 5 46 R14B 20KB 3A 3B 3A 3B SOURCE SOURCE 1 2 3 S6A 2P2T RJ + C108 100/10V + C109 100/10V R212 150K R217 150K C162 22/25V C167 22/25V C162 & C167 WERE 4.7/25V, 4.7/50V WERE 4.7/25V, WAS DOC 105695 SKH 29AUG02 H:TTM55E1106774-4.SCH13-Feb-2003 CHECKED BY:DRAWN BY: SHEET: 10802 47th Avenue West Muk

30、ilteo WA 98275-5098 413 VCA 1 EMPATH 106774 of ACTION: 5 6 7 Z22B MC33078 GND C251 22/25V R137 20K R253 5.11K GND-15 +15 GND 8 3 2 1 4 Z33A MC33078 R138 20K GND PGM1_L C101 0.01 C252 22/25V R139 20K +15 GND 5 6 7 Z33B MC33078 R140 20K GND PGM1_R R218 100K *R402 51.1 R254 5.11K GND-15 *R403 51.1 (*OM

31、IT R403 IF Z37=2180LC) (*OMIT R402 IF Z36=2180LC) -15 +15 R220 100K R162 30.1K R163 30.1K R164 30.1K R165 30.1K GND GND 8 3 2 1 4 Z34A MC33078 2 13 R16A 20KB R221 100K GND 5 6 7 Z34B MC33078 -15 +15 R222 100K R166 30.1K R167 30.1K R168 30.1K R169 30.1K GND GND 8 3 2 1 4 Z35A MC33078 5 46 R16B 20KB R

32、223 100K GND 5 6 7 Z35B MC33078 PGM1_L_DRY PGM1_L_WET PGM1_R_WET PGM1_R_DRY 1 2 8 3 6 4 75 Z36 2180LC 1 2 8 3 6 4 75 Z37 2180LC C34 47PF C35 47PF C36 47PF C37 47PF LEFT LEFT R424 1.10M R427 402K R428 402K C168 4.7/50V D1 LS4148 GNDGND -15 R434 12.4K RANGE = 103 dB (-91, +12 dB) +12 dB OFFSET (71.5mv

33、) PWM OFFSET = 77 HEX (119 DEC) FOR UNITY GAIN TOP +15 -15 SH. 1 & 9 SH. 1 & 9 +15 -15 8 3 2 1 4 Z22A MC33078 SH. 8 SH. 8 SH. 8 SH. 8GND 7 J33G J34-7 SH. 12 PWM1 C262 0.1 C261 0.1 C260 0.1 C263 0.1 C274 22PF C275 22PF RJ WRONG Z #S WERE ON OMIT NOTE, 4.7/50V WAS 4.7/25V, WAS DOC 105695 SKH 29AUG02 H

34、:TTM55E1106774-5.SCH13-Feb-2003 CHECKED BY:DRAWN BY: SHEET: 10802 47th Avenue West Mukilteo WA 98275-5098 513 VCA 2 EMPATH 106774 of ACTION: C253 22/25V R141 20K R255 5.11K GND-15 +15 GND 8 3 2 1 4 Z39A MC33078 R142 20K GND PGM2_L C254 22/25V R143 20K +15 GND 5 6 7 Z39B MC33078 R144 20K GND PGM2_R *

35、R404 51.1 R256 5.11K GND-15 *R405 51.1 (*OMIT R405 IF Z43=2180LC) (*OMIT R404 IF Z42=2180LC) -15 +15 R224 100K R170 30.1K R171 30.1K R172 30.1K R173 30.1K GND GND 8 3 2 1 4 Z40A MC33078 2 13 R17A 20KB R225 100K GND 5 6 7 Z40B MC33078 -15 +15 R226 100K R174 30.1K R175 30.1K R176 30.1K R177 30.1K GND

36、GND 8 3 2 1 4 Z41A MC33078 5 46 R17B 20KB R227 100K GND 5 6 7 Z41B MC33078 PGM2_L_DRY PGM2_L_WET PGM2_R_WET PGM2_R_DRY 1 2 8 3 6 4 75 Z42 2180LC 1 2 8 3 6 4 75 Z43 2180LC C38 47PF C39 47PF C40 47PF C41 47PF LEFT LEFT 5 6 7 Z27B MC33078 GND C102 0.01 R228 100K R425 1.10M R429 402K R430 402K C169 4.7/

37、50V D2 LS4148 GNDGND -15 R435 12.4K RANGE = 103 dB (-91, +12 dB) +12 dB OFFSET +15 -15 SH. 2 & 9 SH. 2 & 9 +15 -15 8 3 2 1 4 Z27A MC33078 SH. 8 SH. 8 SH. 8 GND TOP 9 J33I J34-9 SH. 12 PWM2 C267 0.1 C265 0.1 C266 0.1 C264 0.1 C276 22PF C277 22PF RJ WRONG Z #S WERE ON OMIT NOTE, 4.7/50V WAS 4.7/25V, W

38、AS DOC 105695 SKH 29AUG02 H:TTM55E1106774-6.SCH13-Feb-2003 CHECKED BY:DRAWN BY: SHEET: 10802 47th Avenue West Mukilteo WA 98275-5098 613 VCA 3 EMPATH 106774 of ACTION: C255 22/25V R145 20K R257 5.11K GND-15 +15 GND 8 3 2 1 4 Z45A MC33078 R146 20K GND PGM3_L C256 22/25V R147 20K +15 GND 5 6 7 Z45B MC

39、33078 R148 20K GND PGM3_R *R406 51.1 R258 5.11K GND-15 *R407 51.1 (*OMIT R407 IF Z49=2180LC) (*OMIT R406 IF Z48=2180LC) -15 +15 R230 100K R179 30.1K R180 30.1K R181 30.1K R182 30.1K GND GND 8 3 2 1 4 Z46A MC33078 2 13 R18A 20KB R231 100K GND 5 6 7 Z46B MC33078 -15 +15 R232 100K R183 30.1K R184 30.1K

40、 R185 30.1K R186 30.1K GND GND 8 3 2 1 4 Z47A MC33078 5 46 R18B 20KB R233 100K GND 5 6 7 Z47B MC33078 PGM3_L_DRY PGM3_L_WET PGM3_R_WET PGM3_R_DRY 1 2 8 3 6 4 75 Z48 2180LC 1 2 8 3 6 4 75 Z49 2180LC C42 47PF C43 47PF C44 47PF C45 47PF LEFT LEFT 5 6 7 Z29B MC33078 GND C103 0.01 R234 100K R426 1.10MR43

41、1 402K R432 402K C170 4.7/50V D3 LS4148 GNDGND -15 R436 12.4K RANGE = 103 dB (-91, +12 dB) +12 dB OFFSET +15 -15 SH. 3 & 9 SH. 3 & 9 +15 -15 8 3 2 1 4 Z29A MC33078 SH. 8 SH. 8 SH. 8 SH. 8 GND TOP 3 J35C J36-3 SH. 12 PWM3 C268 0.1 C271 0.1 C269 0.1 C270 0.1 C278 22PF C279 22PF RJ WRONG Z #S WERE ON O

42、MIT NOTE, 4.7/50V WAS 4.7/25V, WAS DOC 105695 SKH 29AUG02 H:TTM55E1106774-7.SCH13-Feb-2003 CHECKED BY:DRAWN BY: SHEET: 10802 47th Avenue West Mukilteo WA 98275-5098 713 MIC EMPATH 106774 of ACTION: D16 LS4148 R394 10K R395 10K R582 26.7K R560 22.1K R238 100K R272 4.02K 8 3 2 1 4 Z51A TL072 +15 -15 G

43、ND GND MIC OL C15 150PF GND C294 0.0047 C297 0.047 R527 3.01K R528 3.01K R535 6.81K R536 6.81K R537 6.81K HIGH LOW D17 LS4148 8 3 2 1 4 Z50A MC33078 5 6 7 Z50B MC33078 GND +15 -15 5 6 7 Z51B TL072 MIC LEVEL R583 511 R584 511 R585 511 R586 511 GND GND C197 4.7/50V C259 22/25VR571 1K R587 1.5K GND R43

44、3 402K C71 47PF R572 1K MIC - MIC + J1 1/4 SW GND -15 +15 R239 100K R196 30.1K R197 30.1K R198 30.1K R199 30.1K GND GND 8 3 2 1 4 Z52A MC33078 5 46 R22B 20KB R240 100K GND 5 6 7 Z52B MC33078 MIC DRY C72 47PF C73 47PF LEFT MIC WET 1 2 3 S7A 2P2T 4 5 6 S7B 2P2T OUT +15 R259 5.11K GND MIC ENGAGE C198 4

45、.7/50V R503 10K GND 2 13 R22A 20KB SH. 8 SH. 8 TOP C273 0.1 GND L30 BEAD L31 BEAD C125 220PF GND L32 BEAD L33 BEAD C124 220PF 2 13 R19A 20KB 5 46 R19B 20KB 2 13 R20A 20KB 5 46 R20B 20KB 2 13 R21A 20KB 5 46 R21B 20KB RJ D39 R D42 G 4.7/50V WERE 4.7/25V, WAS DOC 105695 SKH 29AUG02 H:TTM55E1106774-8.SC

46、H13-Feb-2003 CHECKED BY:DRAWN BY: SHEET: 10802 47th Avenue West Mukilteo WA 98275-5098 813 SUM EMPATH 106774 of ACTION: 8 3 2 1 4 Z53A MC33078 R351 10K R352 10K C46 47PF GND +15 -15 R353 10K R354 10K R355 10K DRY LEFT MIC DRY PGM1_L_DRY PGM2_L_DRY PGM3_L_DRY 5 6 7 Z53B MC33078 R356 10K R357 10K C47

47、47PF GND R358 10K R359 10K R360 10K DRY RIGHT MIC DRY PGM1_R_DRY PGM2_R_DRY PGM3_R_DRY 8 3 2 1 4 Z56A MC33078 R361 10K R362 10K C48 47PF GND +15 -15 R363 10K R364 10K R365 10K WET LEFT MIC WET PGM1_L_WET PGM2_L_WET PGM3_L_WET 5 6 7 Z56B MC33078 R366 10K R367 10K C49 47PF GND R368 10K R369 10K R370 1

48、0K WET RIGHT MIC WET PGM1_R_WET PGM2_R_WET PGM3_R_WET GND 3 2 1 84 Z57A MC33078 R437 10K GND GND 5 6 7 Z57B MC33078 R438 10K GND GND 8 3 2 1 4 Z54A MC33078 R371 10K R372 10K C50 47PF GND +15 -15 MASTER LEFT 5 6 7 Z54B MC33078 R374 10K R375 10K C51 47PF GND MASTER RIGHT AUX LEFT AUX RIGHT GND GND 3 2

49、 1 84 Z55A MC33078 GND GND 5 6 7 Z55B MC33078 GND 5 BOT L J5C 4-S 1 2 TOP L J5A 4-S MASTER LEFT MASTER RIGHT R513 3.16K R514 3.16K 2 13 R23A 20KB BTM 5 46 R23B 20KB BTM 5 46 R24B 20KB BTM AUX_L AUX_R R515 20K R516 20K GND GND R517 20K R518 20K EFF_L C171 4.7/50V C172 4.7/50V C173 4.7/50V C174 4.7/50V C177 4.7/50V C178 4.7/50V C179 4.7/50V C180 4.7/50V +15 -15 +15 -15 GND 2 13 R24A 20KB SH. 9 BTM SH. 7 SH. 4 SH. 5 SH. 6 SH. 7 SH. 4 SH. 5 SH. 6 SH. 7 SH. 4 SH. 5 SH. 6 SH. 7 SH. 4 SH. 5 SH. 6 SH. 9 SH. 9 SH. 11 SH. 11 TOP 12 J29L J30-12 SH. 13 10 J29J J30-10 SH. 13 9 J29I J30-9 SH. 13 EF