Rane TTM 54i Mixer Schematics 电路图.pdf

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1、RadioFans.CN 收音机爱 好者资料库 CHECKED BY:DRAWN BY: SHEET: 10802 47th Avenue West Mukilteo WA 98275-509819 PGM 1 INPUT TTM 54i 103778 H:TTM54I103778-1.SCH23-Mar-2000 of ACTION: 3 4 J3B R26 47.5k GND C21 150pF GND L4 3T C25 47pF GND 10 9 8 Z1C 2059 C34 0.1 +15 -15 R30 162 R34 90.9k R38 7.5k C38 .036 C42 0.0

2、1 + C70 100/10 GND GND R63 100 GNDGND 1 2 J3A R79 20k R100 1k C86 330pF GNDGND 3 2 1 411 Z1A 2059 R80 20k R81 20k GND GND 6 J3D R27 47.5k GND C22 150pF GND L5 3T C26 47pF GND 14 13 12 Z1D 2059 R31 162 R35 90.9k R40 7.5k C39 .036 C43 0.01 + C71 100/10 GND GND R64 100 10 9 8 Z2C 2059 GNDGND 5 J3C R82

3、20k R101 1k C87 330pF GNDGND 5 6 7 Z1B 2059 R83 20k R84 20k GND GND 2 13 5 6 R1A 50KA GND 10 9 8 Z4C 2059 R85 20k GND R106 44.2k R110 9.53k C27 47pF GND 14 13 12 Z4D 2059 R86 20k GND R107 44.2k R111 9.53k C28 47pF GND PGM 1 INPUT PHONO 1 LEFT LINE 1 LEFT PGM 1 LEFT PGM 1 RIGHT PHONO 1 RIGHT LINE 1 R

4、IGHT PGM 1 LEFT PGM 1 RIGHT PGM1L PGM1R PGM 2 INPUT 103778-2.SCH PGM 1 TONE 103778-3.SCH PGM 2 TONE 103778-4.SCH CH. FADERS / XFADER 103778-6.SCH MIC/HEADPHONE 103778-7.SCH EFFECTS LOOP 103778-5.SCH MASTER/SUPPLY 103778-8.SCH 5 6 7 Z5B TL072 3 2 1 84 Z5A TL072 GND -15 +15 METER 103778-9.SCH C93 22/2

5、5 C94 22/25 C95 22/25 C96 22/25 C121 4.7/25 C122 4.7/25 RJRJ GAIN TRIM CW LEFT BALANCE CONTROL SOURCE SELECT PGM 1 PHONO/LINE TO SHEET 3 TO SHEET 3 PHONO LINE UP PHONO LINE UP NOTES: (UNLESS OTHERWISE SPECIFIED) 1. ALL RESISTORS METAL FILM 1/4W 1%. 2. ALL SWITCHES SHOWN IN THEIR OUT OR OFF POSITIONS

6、. 14 13 12 Z2D 2059 PGM1 SW PCB TOP PCB BOTTOM REAR PCB 2 13 4 R2A 100KW 6 57 8 R2B 100KW RIGHT 3 1 4 5 6 2 33 44 10 9 +15 -15 1 GND 2 29 30 J13 J13 J13 J13 J13 J13 J23J1 J1J23 J23J1 J19 J20J13J14 J23J1 J23 J23 J19J20J13J14 BTM REAR PCB TONE PCB TONE PCBBTM REAR PCB R75 6.81k R39 17.8k C76 0.33 C75

7、0.33 C74 0.33 R76 6.81k R41 17.8k C79 0.33 C78 0.33 C77 0.33 R118 124k R117 124k 6 5 4 S1 3 2 1 3 2 1 4 J1 S1 J1 6 5 66 77 U.S. PATENT PENDING RadioFans.CN 收音机爱 好者资料库 CHECKED BY:DRAWN BY: SHEET: 10802 47th Avenue West Mukilteo WA 98275-509829 PGM 2 INPUT TTM 54i 103778 H:TTM54I103778-2.SCH23-Mar-200

8、0 of ACTION: 3 4 J4B R28 47.5k GND C23 150pF GND L6 3T C29 47pF GND 10 9 8 Z3C 2059 C36 0.1 +15 -15 R32 162 R36 90.9k R42 7.5k C40 .036 C44 0.01 + C72 100/10 GND GND R65 100 5 6 7 Z2B 2059 GNDGND 1 2 J4A R87 20k R102 1k C88 330pF GNDGND 3 2 1 411 Z3A 2059 R88 20k R89 20k GND GND 6 J4D R29 47.5k GND

9、C24 150pF GND L7 3T C30 47pF GND 14 13 12 Z3D 2059 R33 162 R37 90.9k R44 7.5k C41 .036 C45 0.01 + C73 100/10 GND GND R66 100 3 2 1 411 Z2A 2059 GNDGND 5 J4C R90 20k R103 1k C89 330pF GNDGND 5 6 7 Z3B 2059 R91 20k R92 20k GND GND 2 13 5 6 R3A 50KA GND 3 2 1 411 Z4A 2059 R93 20k GND R108 44.2k R112 9.

10、53k C31 47pF GND 5 6 7 Z4B 2059 R94 20k GND R109 44.2k R113 9.53k C32 47pF GND PGM 2 INPUT PHONO 2 LEFT LINE 2 LEFT PGM 2 LEFT PGM 2 RIGHT PHONO 2 RIGHT LINE 2 RIGHT PGM 2 LEFT PGM 2 RIGHT PGM2L PGM2R 5 6 7 Z6B TL072 3 2 1 84 Z6A TL072 -15 +15 C97 22/25 C98 22/25 C99 22/25 C100 22/25 C123 4.7/25 C12

11、4 4.7/25 RJRJ GAIN TRIM CW TO SHEET 4 TO SHEET 4 C35 0.1 +15 -15 C37 0.1 +15 -15 PGM2 SW PCB TOP PCB BOTTOM REAR PCB GND LEFT BALANCE CONTROL 2 13 4 R4A 100KW 6 57 8 R4B 100KW RIGHT 3 1 4 5 6 2 2626 2525 J25 J25 J25 J19J20J13J14 J25 J25 J19J20 J13 J14 J25 BTM REAR PCB TONE PCB TONE PCBBTM REAR PCB R

12、77 6.81k R43 17.8k C82 0.33 C81 0.33 C80 0.33 R78 6.81k R45 17.8k C85 0.33 C84 0.33 C83 0.33 R120 124k R119 124k SOURCE SELECT PGM 2 PHONO/LINE PHONO LINE UP PHONO LINE UP J1 J1 J1 J1 6 5 4 S1 3 2 1 3 2 1 4 J1 S1 J1 6 5 1212 1313 RadioFans.CN 收音机爱 好者资料库 CHECKED BY:DRAWN BY: SHEET: 10802 47th Avenue

13、West Mukilteo WA 98275-509839 PGM 1 TONE TTM 54i 103778 H:TTM54I103778-3.SCH23-Mar-2000 of ACTION: PGM1L C46 0.01 C47 0.01 3 2 1 411 Z9A 2059 C135 0.1 GND +15 -15 C48 0.01 C49 0.01 5 6 7 Z9B 2059 GND C150 .0047 10 9 8 Z10C 2059 C50 0.01 GND C151 .0047 14 13 12 Z10D 2059 C51 0.01 GND 3 2 1 411 Z8A 20

14、59 GND 5 6 7 Z8B 2059 GND R121 3.74k R125 3.74k R46 7.5k R47 7.5k R129 10k R137 6.04k 5 6 7 Z7B 2059 GND R130 10k R138 6.04k 3 2 1 411 Z7A 2059 GND C182 .047C183 .047 C162 0.1 C163 0.1 2 13 R5A 20KB GND 2 13 R6A 20KB GND 8 3 2 1 4 Z11A TL072 GND C134 0.1 +15 -15 PGM1L_S PGM1R C52 0.01 C53 0.01 10 9

15、8 Z9C 2059 C132 0.1 GND +15 -15 C54 0.01 C55 0.01 14 13 12 Z9D 2059 GND C152 .0047 5 6 7 Z10B 2059 C56 0.01 GND C153 .0047 3 2 1 411 Z10A 2059 C57 0.01 GND 14 13 12 Z8D 2059 C133 0.1 GND +15 -15 10 9 8 Z8C 2059 GND R122 3.74k R126 3.74k R48 7.5k R49 7.5k R131 10k R139 6.04k 10 9 8 Z7C 2059 GND R132

16、10k R140 6.04k 14 13 12 Z7D 2059 GND C184 .047 C185 .047 C168 0.1 C169 0.1 5 46 R5B 20KB GND 5 46 R6B 20KB GND 5 6 7 Z11B TL072 GND PGM1R_S C190 82pF C191 82pF C101 22/25 C102 22/25 RJRJ CW CW PGM1 RIGHT BASS PGM 1 RIGHT TREBLE PGM 1 LEFT BASS PGM 1 LEFT TREBLE CWCW TO SHEET 5 TO SHEET 5 FROM SHEET

17、1 FROM SHEET 1 R145 2.87k R146 2.87k R147 2.87k R148 2.87k R153 5.62k R154 5.62k R155 5.62k R156 5.62k R50 7.5k R51 7.5k R52 7.5k R53 7.5k R161 4.42k R162 4.42k R163 4.42k R164 4.42k R170 9.53k R171 9.53k R172 9.53k R173 9.53k R178 30.1k R179 30.1k R180 30.1k R181 30.1k C136 0.1 +15 -15 TONE PCB TOP

18、 PCB 1515 J13J14 1616 J13J14 1313 J13J14 1212 J13J14 77 J13J14 1111 J13J14 88 J13J14 66 J13J14 55 J13J14 1414 J13J14 +15 -15 GND J14 J20 1 J14 2 J14 29 J14 30 J14 10 J14 9 J20 J20 TOP PCB TONE PCB TONE PCB C158 0.1 C159 0.1 C160 0.1 C161 0.1 C164 0.1 C165 0.1 C166 0.1 C167 0.1 3 4 5 14 15 J20 J20 J2

19、0 J20 2 1 CHECKED BY:DRAWN BY: SHEET: 10802 47th Avenue West Mukilteo WA 98275-509849 PGM 2 TONE TTM 54i 103778 H:TTM54I103778-4.SCH23-Mar-2000 of ACTION: PGM2L C58 0.01 C59 0.01 14 13 12 Z14D 2059 C137 0.1 GND +15 -15 C60 0.01 C61 0.01 10 9 8 Z14C 2059 GND C154 .0047 5 6 7 Z15B 2059 C62 0.01 GND C1

20、55 .0047 3 2 1 411 Z15A 2059 C63 0.01 GND 3 2 1 411 Z13A 2059 C138 0.1 GND +15 -15 5 6 7 Z13B 2059 GND R123 3.74k R127 3.74k R54 7.5k R55 7.5k R133 10k R141 6.04k 10 9 8 Z12C 2059 GND R134 10k R142 6.04k 14 13 12 Z12D 2059 GND C186 .047C187 .047 C174 0.1 C175 0.1 2 13 R7A 20KB GND 2 13 R8A 20KB GND

21、8 3 2 1 4 Z16A TL072 GND C139 0.1 +15 -15 PGM2L_S PGM2R C64 0.01 C65 0.01 5 6 7 Z14B 2059 C140 0.1 GND +15 -15 C66 0.01 C67 0.01 3 2 1 411 Z14A 2059 GND C156 .0047 10 9 8 Z15C 2059 C68 0.01 GND C157 .0047 14 13 12 Z15D 2059 C69 0.01 GND 14 13 12 Z13D 2059 C141 0.1 GND +15 -15 10 9 8 Z13C 2059 GND R1

22、24 3.74k R128 3.74k R56 7.5k R57 7.5k R135 10k R143 6.04k 5 6 7 Z12B 2059 GND R136 10k R144 6.04k 3 2 1 411 Z12A 2059 GND C188 .047C189 .047 C180 0.1 C181 0.1 5 46 R7B 20KB GND 5 46 R8B 20KB GND 5 6 7 Z16B TL072 GND PGM2R_S C192 82pF C193 82pF C103 22/25 C104 22/25 RJRJ CW CW PGM2 RIGHT BASS PGM 2 R

23、IGHT TREBLE PGM 2 LEFT BASS PGM 2 LEFT TREBLE CWCW TO SHEET 5 TO SHEET 5 FROM SHEET 2 FROM SHEET 2 TONE PCB TOP PCB R149 2.87k R150 2.87k R151 2.87k R152 2.87k R157 5.62kR158 5.62k R159 5.62k R160 5.62k R58 7.5k R59 7.5k R60 7.5k R61 7.5k R165 4.42k R166 4.42k R167 4.42k R168 4.42k R174 9.53k R175 9

24、.53k R176 9.53k R177 9.53k R182 30.1k R183 30.1k R184 30.1k R185 30.1k 2727 J13J14 2828 J13J14 2121 J13J14 2323 J13J14 1818 J13J14 2020 J13J14 1919 J13J14 2222 J13J14 1717 J13J14 2424 J13J14 TOP PCB TONE PCB TONE PCB C170 0.1 C171 0.1 C172 0.1 C173 0.1 C176 0.1 C177 0.1 C178 0.1 C179 0.1 CHECKED BY:

25、DRAWN BY: SHEET: 10802 47th Avenue West Mukilteo WA 98275-509859 EFFECTS LOOP TTM 54i 103778 H:TTM54I103778-5.SCH23-Mar-2000 of ACTION: 67 8 Z19D ADG212 32 1 Z19A ADG212 67 8 Z18D ADG212 32 1 Z18A ADG212 67 8 Z20D ADG212 32 1 Z20A ADG212 1110 9 Z19C ADG212 1415 16 Z19B ADG212 1110 9 Z18C ADG212 1415

26、 16 Z18B ADG212 1110 9 Z20C ADG212 1415 16 Z20B ADG212 PGM1L_R PGM2L_R MSTL_R PGM1R_R PGM2R_R MSTR_R PGM1L_S R256 100k GND PGM2L_S R257 100k GND MSTL_S R258 100k GND PGM1R_S R259 100k GND PGM2R_S R260 100k GND MSTR_S R261 100k GND R307 10k R308 10k R309 10k GND R310 10k C223 0.1 GND R279 301 +15 -15

27、 LEFT EFFECTS SEND R311 10k R312 10k R313 10k GND R314 10k GND R280 301 C227 47pF C228 47pF PGM1PGM2 +5P1D P2D M D M S P2S P1S P1D P1D P1S P2D P2S M D P2D P2S P1S M D M S M S EN 2 N01A 4 N02A 5 N03A 6 N04A 7 A0 1 N01B 13 COMB 9 N04B 10 N03B 11 N02B 12 V+ 14 GND 15 V- 3 A1 16 COMA 8 Z23 ADG409 PGM1L_

28、R PGM2L_R PGM2R_R MSTL_R MSTR_R PGM1R_R A0 A1 GND GND +5 R96 20k R104 1k C91 330pF GNDGND 10 9 8 Z17C 2059 R97 20k GND R98 20k R105 1k C92 330pF GNDGND 14 13 12 Z17D 2059 R99 20k GND RETURN GND +15-15 R315 10k R316 10k R239 511 R240 511 8 9 10 Z22C 4011 6 5 4 Z21B 4011 1 2 3 147 Z21A 4011 8 9 10 Z21

29、C 4011 13 12 11 Z21D 4011 1 2 3 147 Z22A 4011 6 5 4 Z22B 4011 13 12 11 Z22D 4011 GND GND +5 +5 EFFECTSEFFECTS C107 22/25 C108 22/25 C109 22/25 C110 22/25 C111 22/25 C112 22/25 C113 22/25 C114 22/25 FROM SHEET 3 FROM SHEET 4 FROM SHEET 6 FROM SHEET 3 FROM SHEET 4 FROM SHEET 6 RJRJ TO SHEET 6,7,8 TO S

30、HEET 6,7,8 TO SHEET 6,7,8 TO SHEET 6,7,8 TO SHEET 9 TO SHEET 9 GND BOTTOM REAR PCB 3 2 1 411 Z17A 2059 5 6 7 Z17B 2059 V+ 13 V- 4 VL 12 GND 5 Z18E ADG212 GND +15 -15 V+ 13 V- 4 VL 12 GND 5 Z19E ADG212 GND +15 -15 V+ 13 V- 4 VL 12 GND 5 Z20E ADG212 GND +15 -15 +5+5 +5 J8AJ9A GND RIGHT EFFECTS SENDRET

31、URN GND J8BJ9B GND +5 LEFT SIDERIGHT SIDE 1 2 3 S3A 2P2T 1 2 3 S4A 2P2T J19J20 J19J20 J19J20 J19J20 J15J16 J17J18 PCBPCB TONE PCB TONE PCB D22 G D21 G A0 A1 99 1111 88 1010 55 22 CHECKED BY:DRAWN BY: SHEET: 10802 47th Avenue West Mukilteo WA 98275-509869 CH. FDRS / XFDR TTM 54i 103778 H:TTM54I103778

32、-6.SCH23-Mar-2000 of ACTION: 2 3 9 8 4 1 16 Z26A SSM2164 7 6 5 Z26B SSM2164 10 11 12 Z26C SSM2164 15 14 13 Z26D SSM2164 GND C142 0.1 +15 -15 C143 0.1 +15 -15 GND GND MSTL_S MSTR_S 8 3 2 1 4 Z27A TL072 5 6 7 Z27B TL072 C144 0.1 +15 8 3 2 1 4 Z25A TL072 -15 GND 2 3 41 S7 R209 7.5k GNDGND 1 2 3 S5A 4 5

33、 6 S5B R210 243 GND GND PGM 1 CH. FADER 2 3 41 S8 R62 7.5k GNDGND 1 2 3 S6A 4 5 6 S6B R211 243 GND GND-3.2 PGM 2 CH. FADER HAMSTER R212 6.34k D10 1N4148 D11 1N4148 R213 6.34k R214 6.34k GND C145 0.1 +15 -15 3 2 1 411 Z24A TL074 GND 5 6 7 Z24B TL074 R215 6.34k D12 1N4148 D13 1N4148 R216 6.34k R217 6.

34、34k GND 12 13 14 Z24D TL074 R95 23.7k GND -15 GND -15 10 9 8 Z24C TL074 ACTIVE Vr Vo CONTOUR XFADER CH. FADER CONTOUR CH. FADER CONTOUR R218 200k R219 200k R223 200 R116 26.7k R220 200k R221 200k 2 31 Q2 2907 R225 15k R226 5.11k GND -15 UP -30-20-6 -6-20-30 R231 511 C204 470pF GND R232 511 C205 470p

35、F GND R233 511 C206 470pF GND R234 511 C207 470pF GND R186 30.1k R187 30.1k R188 30.1k R189 30.1k R190 30.1k R191 30.1k PGM1L_R PGM2L_R PGM1R_R PGM2R_R R245 100k R246 100k 5 6 7 Z25B TL072 GND R247 100k R248 100k Vc1 Vc2 Vc2 Vc2 Vc1 Vc1 R262 1.10M R263 1.10M R264 1.10M R265 1.10M GND GND LM_LVL RM_L

36、VL NORM NORM REV REV CROSS FADER HAMSTER PGM 2 2 13 R9A 100KA PGM 1 CH. FADER HAMSTER TO SHEET 5 TO SHEET 5 FROM SHEET 5 FROM SHEET 5 FROM SHEET 5 FROM SHEET 5 TO SHEET 8 TO SHEET 8 RJRJ REVERSENORM REVERSENORM -3.2BOTTOM REAR PCB R192 30.1k 1 2 3 S9A 4P2T 4 5 6 S9B 4P2T 7 8 9 S9C 4P2T NORM REV R270

37、 8.45k +5 GND CW R337 1k GND FADER PCB R338 1k GND -3.2 -3.2 -3.2 GND GND LEFT SIDE PCB RIGHT SIDE PCB BOTTOM FRONT PCB FADER PCB METER PCB C194 47pF C195 47pF J18 J18 J18 J18 J18 GND -15 -3.2 +15 +5 J27 J1 J27J1 J27J1 J17J18 J16 J16 J16 GND -15 +15 J16+5 J16-3.2 J29 J29 J29 J15J16 J21J22J21J22 J33J

38、33 J33 J22 J22 J22 GND -15 +15 BTM FRT PCB J21J22 1 J31 1 J32 BTM REAR PCB R169 750 R1 200KB 1 2 3 1 4 5 PGM 2 CH. FADER UP FADER PCB J1 J1 J1 R1 200KB 1 2 315 4 J1 J1 J1 R1 200KB 3 2 16 2 4 D9 R HAMSTER D7 R D8 R XFADER 11 9 1 8 12 4 8 1 9 2 1010 33 16161515 2 12 10 1414 2 1 4 3 6 5 1 2 4 3 5 6 1 2

39、 4 3 5 6 13 J22 R114 37.4k R249 90.9k R115 37.4k R250 90.9k 2 3 6 1 3 5 2 3 6 C212 .0027 C213 .0027 R224 3.16k CHECKED BY:DRAWN BY: SHEET: 10802 47th Avenue West Mukilteo WA 98275-509879 MIC & HEADPHONE TTM 54i 103778 H:TTM54I103778-7.SCH23-Mar-2000 of ACTION: GND L8 3T L9 3T C90 330pF 3 2 1 411 Z28

40、A 45745 6 7 Z28B 4574 R235 511 C33 47pF C202 4.7/25 R236 511 R237 511 R238 511 C146 0.1 +15 -15 GND GND GND 10 9 8 Z28C 4574 R227 5.11k R272 5.11k R273 5.11k R274 1.33k R275 1.33k C214 0.1 C215 0.1 C216 150pF C217 0.01 5 46 R15B 20KB 5 46 R14B 20KB R276 1k 12 13 14 Z28D 4574 GND R251 100k R278 301 G

41、ND GND GND R277 1k C218 330pF GND MIC R193 30.1k R194 30.1k R195 30.1k R196 30.1k R281 100k C221 0.1 +15 -15 GND GND GND 5 6 7 Z29B TL072 3 2 1 84 Z30A 4580 R252 100k R282 100k C125 4.7/25 R228 5.11k R67 100 R68 100 GND C126 4.7/25 C127 4.7/25 R197 30.1k R198 30.1k R199 30.1k R200 30.1k R283 100k GN

42、D GND GND 8 3 2 1 4 Z29A TL072 5 6 7 Z30B 4580 R253 100k R284 100k C128 4.7/25 R229 5.11k R69 100 R70 100 GND C129 4.7/25 C130 4.7/25 GND HEADPHONE LEVEL CUE PAN R285 20k R286 20k GND GND PGM1L_R PGM2L_R PGM1R_R PGM2R_R MSTL_MN MSTR_MN CUE/MST MIC SEND EFFECTS RETURN HEADPHONE OUTPUT C203 4.7/25 D14

43、 1N4148 D15 1N4148 D20 R GNDGND +15 -15 MIC OL MIC INPUT 2 31 Q3 2222 2 31 Q4 2222 R230 5.11k R317 15k C131 4.7/25 C105 22/25 R287 20k GND C106 22/25 R288 20k GND CW LEVEL CWCW FROM SHEET 9 FROM SHEET 9 CWCW MSTR CUE MSTR CUE CW CW TREBLE BASS TO SHEET 9 J6 EFFECTS MIC RIGHT SIDE PCB LEFT SIDE PCB R

44、JRJ C222 0.1 +15 -15 FROM SHEET 5 FROM SHEET 5 FROM SHEET 5 FROM SHEET 5 C219 47pF C220 47pF J10 J5 J2 R222 20k R255 10k R305 5.11k R306 5.11k 2 13 R13A 100KA 2 13 R17A 100KA 5 46 R17B 100KA 4 5 6 S10B 2P2T 1 2 3 S10A 2P2T 2 13 R16A 20KB 5 46 R16B 20KB R271 100k GND BTM FRT PCB J15J16 J15J16 J15J16

45、J15J16 J15J16 J15J16 J15J16 J15J16 J21J22 J21J22 BTM REAR PCB BTM REAR PCB BTM REAR PCB BTM REAR PCB GND C226 0.33 R254 200k 1212 1111 1313 1010 66 77 1414 151588 66 C200 4.7/25 CHECKED BY:DRAWN BY: SHEET: 10802 47th Avenue West Mukilteo WA 98275-509889 METER TTM 54i 103778 H:TTM54I103778-8.SCH23-Ma

46、r-2000 of ACTION: 15 14 13 Z34D SSM2164 10 11 12 Z34C SSM2164 7 6 5 Z34B SSM2164 2 3 9 8 4 1 16 Z34A SSM2164 R241 511 C208 470pF GND GND C147 0.1 +15 -15 R242 511 C209 470pF GND PGM1L_R PGM2L_R PGM1R_R PGM2R_RGND R207 30.1k GND R208 30.1k C148 0.1 +15 -15 GND R266 1.10M R267 1.10M GND R268 1.10M R26

47、9 1.10M D16 1N4148 D17 1N4148 LM_LVL RM_LVL FROM SHEET 6 FROM SHEET 6 FROM SHEET 5 FROM SHEET 5 RJRJ R324 30.1k R201 60.4k R202 60.4k R203 60.4k R204 60.4k C235 1/50 C236 1/50 R333 2.67k R334 2.67k 2 13 R335 25k 2 13 R336 25k BOTTOM REAR PCB 3 2 1 411 Z33A TL074 5 6 7 Z33B TL074 12 13 14 Z33D TL074

48、10 9 8 Z33C TL074 C196 .027 C197 .027 GND GND GND GND GND GND C198 47pF C199 47pF J31J32 J31J32 J32+5 J32 J32 GND J19 J21 J15 J17 J15 J15 J17 J19 J21 +15 J15 J17 -3.2 J15 J17 J19 J21 -15 CW CW J17 METER BOARD CH1 IN 1 CR1 2 CH2 IN 3 CR2 4 DC IN 5 AC/DC 6 MUTE 7 P.H. 8 9 D2 14 D1 15 O6 16 O5 17 O4 18

49、 O3 19 O2 20 O1 21 VCC 22 GND 10 GND 11 D4 12 D3 13 Z35 BA6822S D27 G 2 31 Q8 2907A R243 2.21k R325 40.2k R332 316 D28 G D26 G D25 G D24 G D39 Y D38 Y D42 R D34 G D35 G D33 G D32 G D31 G D41 Y D40 Y D43 R R331 316 R330 316 R329 316 R328 316 2 31 Q6 2907A 2 31 Q7 2907A 2 31 Q5 2907A R244 2.21k R205 2.21k R206 2.21k +5 GND GND GND +5 GNDGND C149 0.1 GND C238 22/25 C239 22/25 GND -20-10-7-4-2024710 -20-10 -7 -4-2024710 R326 47.5k R327 47.5k J31 J31 J31 GND +5 PGM 2 PGM 1 +5 C211 4.7/25 C210 4.7/25 C237 0.01 4 8 1 9 2 12 9 11 8 1 1 2 3 4 5 14 15 J19 J19 J19 J19 10 12 2 J21 13 6 2 4 3 5 6 2