DDA fmr-schematics电路图.pdf

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1、 FMR Schematics Klark Teknik Building Walter Nash Road Kidderminster Worcestershire DY11 7HJ Tel: +44 (0) 1562 741515 Fax: +44 (0) 1562 745371 Email: Website: FMR Schematics Telex Communications (UK) Limited In line with the companys policy of continual improvement, specifications and function maybe

2、 subject to change without notice. This Operator Manual was correct at the time of writing. E&OE. RadioFans.CN 收音机爱 好者资料库 Date: July 11, 1994Sheet 1of 1 SizeDocument NumberREV DCD1209-1A Title FORUM STANDARD INPUT TEL:(0)81-570-7161 FAX:(0)81-577-3677 DDA LTD., HOUNSLOW, MIDDX., TW3 2EB, ENGLAND EQ

3、R35 47K R36 75R C17 33P R33 1K2 C20 100/16 SW4 SW SPDT R28 10K R29 10K R34 47K C15 15N C18 470N R32 1K2 12 13 14 IC2D TL074 4 5 6 VR6B 100KC 1 2 3 VR6A 100KC 10 9 8 IC2C TL074 VR7 10KA C19 470N C16 33P R20 1K5 R21 1K5 R22 47K R23 47K R24 10K R25 10K C10 3N3 C13 2N2 5 6 7 IC2B TL074 VR2 10KB 3 2 1 4

4、1 1 IC2A TL074 1 2 3 VR4A 100KC 4 5 6 VR4B 100KC C11 33P HIGH PASS R16 15K R17 30K R19 10K C8 100N C9 100/16 R18 75R 5 6 7 IC3B TL072 SW3 C7 100N R13 10K C5 33P R15 10K PHASE C6 100/16 SW2 R102 10K R9 1K5 R8 1K5 R14 75R R103 220K R12 10K 3 2 1 8 4 IC1A TL072 1 2 3 VR1A 5K RD C48 100/16 R7 10K C4 10P

5、 MIC/LINE R4 7K5 R5 10K R6 10K C2 33P C3 100/16 5 6 7 IC1B TL072 SW1 TIP RING LINE R1 15K R2 15K R3 7K5 C1 33P 2 1 3 4 5 JS1 1/4JACK IN+ +48V IN- XLR2 R87 6K8 1% R88 6K8 1% R89 470 R90 1K5 C44 2.2/63 SW6 SUJ2 +48V R92 10K C36 47/63 D1 12V R11 75R LK1 V+ C39 22/25C41 1000UR104 22R R10 330R R96 10R R9

6、7 10R 4 5 6 VR1B 5K RD 3 2 1 8 4 IC3A TL072 R146 100K R145 100K R112 150K R26 3K3 R27 3K3 C12 4N7 R149 100K R148 100K R147 100K V+ R107 100K D9 18V Q5 BC550 R30 3K3 R31 3K3 C14 33N -13 TO SOLO LED VR3 10KB VR5 10KB D10 GRN R37 10K GRP 1 GRP 2 R55 10K R56 10K +17 +10 0 -7 V- D14 RED D13 GRN D12 GRN D

7、11 GRN R54 10K SW8 SW9 V-LED V- V- C46 2U2 63V C47 22U 25V R109 100K R108 100K R105 100K R106 100K Q4 BC550 Q3 BC550 Q2 BC550 Q1 BC550 V-V- C45 2U2 63V R114 47K 123469 57 8 IC7 BA6144 R113 9K1 V- R98 10K C38 220P C40 22/25 C42 100/16 R95 10R 3 2 6 5 1 8 7 4 IC4 SSM2017 R93 10K R94 24K C37 47/63 D2 1

8、2V D3 12V D4 12V T1 NTM1 LK2 R100 2K2 (OPT) IN- -20dB MIC XLR3 R91 1K5 C43 10N R99 10R R101 330R SW5 SCREEN -17V R116 30K Q6 BC560 R115 62R +17V+17V D8 1N4148 D7 1N4148 V+ C21 220N 5 6 7 IC5B NE5532 R41 75 C23 220 R45 43R R44 22K R42 10K 1 2 3 VR8A 10K R48 4K7 R49 3K3 R50 100K R52 3K3 C24 33P C25 10

9、0/16 3 2 1 8 4 IC6A TL072 R57 10K R58 10K R59 10K R60 10K R61 10K SW10 SW11 GRP 3 GRP 4 GRP 5 GRP 6 GRP 7 GRP 8 L MIX R MIX R62 10K R63 10K SW12 R51 4K7 R53 100K C26 33P C27 100/16 5 6 7 IC6B TL072 R40 10K R46 22K R47 27R 4 5 6 VR8B 10K R43 10K V- 1 2 3 POT610KALPS R39 4K7 C22 33P R38 560K TO SOLO S

10、W ON D5 LED LK5 SW7 LK4 TIP RING INSERT RINGNORMAL 2 1 3 4 5 JS2 1/4JACK CHASSIS EARTH PRE FADER 3 2 4 1 -17V +17V 5 6 7 8LK7 LK6PRE FDR PRE EQ PRE VR9 20K SW13 SW SPDT R64 100K R65 10K R66 10K C28 100/16 3 2 1 8 4 IC5A NE5532 C29 33P SW14 DIRECT TIP RING R67 75 R68 10K C31 100/16 C30 33P R69 10K R7

11、1 75R DIRECT R70 10K 2 1 3 4 5 JS3 1/4JACK AUX 1 AUX 2 AUX 1 AUX 2 R72 10K R73 10K R74 10K R75 10K 3-4 5-6 SW15 VR10 20K VR11 20K VR12 20K -POST FDR PRE FDR LK4 LK3 LK2PRE EQ EARTH TERMINAL V+ MIC AMP V+ R83 10 C34 22/25 C35 22/25 9 10 +18V +48V 0V +48V +18V 0V 0V +18V R81 10 C32 220/25 C33 220/25 A

12、UX EARTH REF MIX EARTH REF AUX POT EARTH PAN BUFFER EARTH -18V -18V -18V R82 10 R85 10K R86 10K V- MIC AMP V- R84 10 LAST R LAST C R99 C43 NOTES LED METERING NOT SHOWN FROM CUT LED LK1 LK5 PFL AFL SOLO V- R78 47K R79 10K D6 LED R SW16 SOLO ENABLE SOLO AUDIO AUX 1 AUX 2 R76 10K R77 10K RadioFans.CN 收

13、音机爱 好者资料库 Date: October 18, 1994Sheet 1of 1 SizeDocument NumberREV DCD1233-2A Title FMR BUS/TAPE MONITOR TEL:(0)81-570-7161 FAX:(0)81-577-3677 DDA, HOUNSLOW, MIDDX, TW3 2EB, ENGLAND. C20 33P C21 33P C19 470N C18 470N R36 47K S6 2PSUJ R34 1K2 C22 100U 16V 5 6 7 IC4B TL072 C26 15N R35 47K R42 10K R43

14、10K 1 2 3 VR3 10KBR33 1K2 3 2 1 8 4 IC4A TL072 1 2 3 7 VR6A 100KC 4 5 6 VR6B 100KC V- V+ C17 33P C16 3N3 C24 2N2 R29 1K5 R31 47K R30 1K5 R32 47K R38 10K R39 10K 1 2 3 VR2 10KB 3 2 1 8 4 IC3A TL072 5 6 7 IC3B TL072 1 2 3 7 VR4A 100KC 4 5 6 VR4B 100KC V- C10 100U16V R18 75R C9 33P 5 6 7 IC2B TL072 R17

15、 10K R19 10K BUS/TAPE LED1 GRN S2 2PSUJ 1 2 3 VR1 10KB CD R14 10K R15 1K R16 1K LED1LED3 3 2 1 8 4 IC2A TL072 C38 33P C39 100U 16V R69 75R R66 3K R68 3K R70 3K R64 12K R65 12K R72 10K V+ V- TAPE XLR EDAC 1 2 3 CON15 3WAY WIR 1 2 3 CON16 3WAY MH 12 34 56 78 910 1112 1314 1516 CON17 16WAY IDCRM 12 34

16、56 78 910 1112 1314 1516 1718 1920 LK1A 20WAY IDCVM BUS1+ BUS2+ BUS3+ BUS4+ BUS5+ OUTPUT BUSOUTPUT BUS ASSIGN LINKCONNECTOR LINK FOR -10dBV TAPE INPUT R71 1K C37 33P R67 3K 12 LK3 LINK-OPT LED11 LED1 BUS/TAPE GAIN BUS ON +/-15dB LED11 GRN C67 100U 16V 12 LK31 LINK-OPT 12 LK30 LINK EXTERNAL METER LED

17、 VU 0V R139 10K R140 22K R141 3K6 PR1 5K 3 2 1 8 4IC14A TL072 1 2 3 CON7 3WAY MHLR/A V- V+ INSERT HF EQ HI MID EQ R40 3K3 R41 3K3 C23 4N7 2 1 3 4 5 CON3 1/4JACK V+ LF EQ LO MID EQ C25 33N R44 3K3 R45 3K3 1 2 3 VR5 10KB 1 2 3 VR7 10KB R37 10K R98 10K S15 2PSUJ METERINPUT BUS1 R99 10K R100 10K R101 10

18、K R102 10K R103 10K S16 2PSUJ S17 2PSUJ S18 2PSUJ BUS6 BUS5 BUS4 BUS3 BUS2 C46 33P C47 100U 16V R90 4K7 R91 3K3 R92 75R R93 100K 3 2 1 8 4 IC8A NE5532 V- V+ R84 22K R88 10K R85 22R BUS XLR EDAC C7 100U16V C8 100U 16V 1 2 3 CON13 3WAY WIR 1 2 3 CON14 3WAY MH PR2 5K 5 6 SIL1C 4K7 1 2 SIL1A 4K7 78 SIL1

19、D 4K7 3 4 SIL1B 4K7 7 8 SIL2D 10K C5 33P 3 4 SIL2B 10K 1 2 SIL2A 10K 5 6 SIL2C 10K R11 75R R12 75R 3 2 1 8 4 IC15A NE5532 5 6 7 IC15B NE5532 C72 100U 16V R179 10K VA- VA+ S22 2PSUJ TRACK ON BUS TRIM +/-15dB R176 75R R178 10K C69 33P 5 6 7 IC14B TL072 C70 100U 16V R174 10K R171 2K2 PR3 50K 1 2 3 VR13

20、 10KB CD BUS6+ BUS7+ BUS8+ C79 100U 16V LINK 19-20 FITTED ONLY ON MODULES 1-8 R170 9K1 3 2 8 5 6 7 4 IC1 NE5534 12 3 5 7 9 11 13 15 4 6 8 10 12 14 16 LK2A 16WAY IDCVM R183 10K R184 75R C73 33P L1 0H BUS1 BUS2 BUS3 V1- MIXEARTH MIX BUS ASSIGN LINK BUS INPUT C75 100U 16V SUB S3 2PSUJ R180 10K R181 10K

21、 MIXL MIXR FIT R180 FOR ODD NUMBERED MODULES FIT R181 FOR EVEN NUMBERED MODULES C6 33P V+ V- R160 10R R161 10R C62 22U 25V C63 22U 25V VA+ VA- R89 10K R86 22K R87 33R 1 2 3 7 VR8A 10KB 4 5 6 VR8B 10KB PAN BUFFER C48 33P C49 100U 16V R95 3K3 R97 100K R96 75R R94 4K7 5 6 7 IC8B NE5532 MIX R104 10K R10

22、5 10K R110 10K R111 10K S21 2PSUJ MIXL MIXR BUS8 BUS7 DIRECT C35 33P 5 6 7 IC5B NE5532 C36 100U 16V R59 75R R60 10K R62 10K 2 1 3 4 5 CON4 1/4JACK C33 100U 16V R56 10K R58 10K R57 10K FADER BUFFER C44 33P C45 220U 25V C43 220N R80 680K R82 75R 3 2 1 8 4 IC5A NE5532 R83 10K V+ V-ON R79 220K LED3 GRN

23、LED3LED4 V+ V- 1 2 3 4 5 6 7 8 9 10 CON5 10WAY MHL R185 10KR182 100K R186 75R R187 75R C74 22P C77 22U 25V C78 22U 25V C76 100N BUS4 BUS5 BUS6 BUS7 BUS8 V+V1+ V-V1- V1+ C60 220U 25V R158 10R R156 10R C64 22U 25V +18V 0V MAIN GROUND SPADE 1 PL1 V+LED V+ S25 2PSUJMOM RLK1 0R RLK2 0R RLK3 0R GROUND WIP

24、ER TOP R81 4K7 1 2 3 CON8 3WAY MH PRE POST PRE EQ PRE PRE EQ POST PRE POST PRE AUX1/2 AUX1/2 AUX3/4 AUX3/4 AUX3/4 SOLO SOLO * * * NORMAL FACTORY POSITION * S8 2PSUJ 12 3 5 7 9 11 13 15 4 6 8 10 12 14 16 LK4 16WAY IDCVM DIRECT AUX2 AUX1 C34 33P S7 2PSUJ 1 2 3 VR9 20KA 1 2 3 VR10 20KA DIRECT OUT R63 7

25、5R R61 10K R114 10K R115 10K AUX1 5-6 SW12 4PSUJ R116 10K R117 10K R118 10K R119 10K AUX2 AUX3 AUX4 AUX5 AUX6 AUX3 AUX4 1 2 3 VR11 20KA 1 2 3 VR12 20KATR6 BC182 R150 100K LED6 GRN LED6 V+LED R149 100K R145 100K R142 15K D7 18V METERINPUT V-LED V- PAN BUFFER EARTH AUX POT EARTH C61 220U 25V C65 22U 2

26、5V R157 10R R159 10R R163 10K R162 10K -18V MWKEARTH MIXEARTH AUXREF AUX POT EARTH PAN BUFFER EARTH C66 10N R169 0R R166 33RR168 0R 12 34 56 78 910 1112 1314 1516 1718 1920 2122 2324 2526 2728 2930 3132 3334 CON1 34WAY IDCMH 0V BUS8 BUS7 BUS6 BUS5 BUS4 BUS3 BUS2 BUS1 MIXR MIXL AUX6 AUX5 AUX2 AUX1 AU

27、X4 AUX3 SOLOAUDIO SOLOENABLE MWKEARTH 0V 0V 0V 0V 0V MIXEARTH -18V -18V -18V +18V +18V +18V AUXREF TR5 BC212 R137 33K R138 75R D5 D6 LED11 V+LEDV+LED V-LED 123469 57 8 IC10 BA6144 C54 2U2 63V R144 47K R143 910R C53 22U 25V V-LEDV-LEDV-LED SIG PEAK TR10 BC182 C55 22U 25V R154 100K LED10 RED V-LED V-L

28、ED V-LED SOLO S10 2PSUJ LED4 YEL LED4 SOLO R164 47K R165 10K LED6 SOLOAUDIO SOLOENABLE LAST R LAST C NOTES R187 C78 RadioFans.CN 收音机爱 好者资料库 Date: June 30, 1993Sheet 1of 1 SizeDocument NumberREV DCD1191-AA Title FORUM STEREO INPUT Tel: (0)81-570-7161 Fax: (0)81-577-3677 DDA, HOUNSLOW, MIDDX, TW3 2EB,

29、 ENGLAND. R39 1K2 C22 33P R41 47K R32 10K R33 10K 12 13 14 IC4D TL074 C18 47N R37 470 C20 470N 1 2 3 VR7A 10KB R38 1K2 C21 470N R40 47K 90Hz to 1.3kHz C16 6N8 R26 10K R27 10K 12 13 14 IC13D TL074 R31 470 600Hz TO 8.8kHz R22 1K5 1 2 3 VR2A 10KB R23 1K5 C15 33P C14 3N3 L CUT L CUT AND R CUT = MONO R13

30、 75 C9 100U 16V SW3 2PSUJ 1000U 4 5 6 VR1B 5KRD R100 75R R9 75R R10 100R H1B 4K7 H1A 4K7 C8 33P 5 6 7 IC2B TL072 +48V +48V INPUT B SW1 SW DPDT R11 470 SW2 SW 6PDT R5 10k C1 47/63 D1 12V D2 12V +IN -IN INPUT B RIAA LEFT JR1 JR2 C7 2.2/63 R101 6K8 R102 6K8 R2 6K8 R1 6K8 R4 16K2 R3 16K2 XL2 XL3 -IN +IN

31、 RIAA INPUT B RIGHT R103 16K2 R104 16K2 JR3 JR4 R12 10 XL2 XL3 D3 12V D4 12V R7 2K2 R6 10K C2 47/63 R8 24K C3 220P L+R-3dB 3 2 6 5 1 8 7 4 IC1 SSM2017 R118 10R C6 100U 16V H1C 4K7 R15 3K3 C10 33P 3 2 1 8 4 IC12A TL072 H1D 4K7 H101A 4K7 R115 3K3 R CUT R14 10K C11 75 C11 100U 16V R17 10K SW5 2PSUJ + -

32、 R24 47K R25 47K 5 6 7 IC3B TL074 4 5 6 VR4B 10KB R28 220K 3 2 1 4 1 1 IC3A TL074 R29 10K + - C17 10N 4 5 6 VR3B 100KC 10 9 8 IC3C TL074 R30 6K8 3 2 1 4 1 1 IC4A TL074 4 5 6 VR6B 10KB R34 220K R35 10K C19 68N 4 5 6 VR5B 100KC R36 6K8 10 9 8 IC4C TL074 5 6 7 IC4B TL074 EQ R42 75 C24 100u R43 10K SW6

33、SW DPDT C23 33P R143 10K C124 100u R142 75 R141 47K C122 33P R139 1K2 C123 33P 10 9 8 IC15C TL074 R140 47K C121 470N 4 5 6 VR7B 10KB C120 470N R138 1K2 R132 10K R133 10K 12 13 14 IC15D TL074 C119 68N 10 9 8 IC15C TL074 1 2 3 VR5A100KC R137 470 C118 47N - 90Hz to 1.3kHz R135 10K 3 2 1 4 1 1 IC15A TL0

34、74 1 2 3 VR6A 10KB R127 10K R126 10K 12 13 14 IC14D TL074 C117 10N 10 9 8 IC14C TL074 R131 470 1 2 3 VR3A100KC C116 6N8 600Hz TO 8.8kHz - R129 10K 3 2 1 4 1 1 IC14A TL074 1 2 3 VR4A 10KB R123 1K5 4 5 6 VR2B 10KB R122 1K5 C115 33P C114 3N3R124 47K R125 47K 5 6 7 IC14B TL074 R116 75 C111 100U 16V R117

35、 10K H101D 4K7 C108 33P 3 2 1 8 4 IC12A TL072 H101C 4K7 SW4 SW DPDT C110 33P 5 6 7 IC12B TL072 H101B 4K7 3 2 1 8 4 IC13A TL072 C12 33P R19 4K7 R18 4K7 C106 100U 16V C105 1000U 1 2 3 VR1A 5KRD R110 100R 3 2 6 5 1 8 7 4 IC11 SSM2017 R109 7R5 D102 12V D101 12V R105 10K R107 2K2 C101 47/63 R111 18 XLR1

36、C51 10N C103 220P R108 24K D104 12V D103 12V R106 10K C102 47/63 R20 75 1 2 3 A R49 220K R50 680K C29 220N 5 6 7 IC6B NE5532 0 REV R113 75R R21 10K C13 100U 16V R53 75 C31 220U 16V LM + BALANCE +3dB,-6dB R114 10K C109 100U 16V R128 220K 1 2 3 VR12A 10KB R60 5 6 7 IC8B NE5532 + R134 220K R130 6K8 1%

37、RESISTOR R136 6K8 SW11 SW DPDT R METER_R_INPUT METER_L_INPUT CN6-15 CN6-13 CN6-11 CN6-9 CN6-7 CN6-5 1-2 3-4 5-6 R165 10K R65 10K R66 10K R166 10K R67 10K R167 10K SW12 SW DPDT SW13 SW DPDT R63 75 C36 220U 16V R64 10K R163 75 C136 220U 16V R164 10K R58 10K R59 3K3 R158 10K 4 5 6 VR12B 10KB R159 3K3 R

38、160 C35 33P R62 3K3 R61 8K2 3 2 1 8 4 IC8A NE5532 C135 33P R52 10K H3A 4K7 H3B 4K7 R54 3K3 C32 33P 3 2 1 8 4 IC7A TL072 H3C 4K7 JR12 JR11 R51 4K7 C30 33P ON SW15 SW 4PDT JR9 JR10 PRE FADE MONO L+R-3dB H2A 4K7 H2A 4K7 R46 3K3 C25 33P 3 2 1 8 4 IC5A TL072 CN4-1 CN4-2 CN4-3 CN4-8 CN4-9 CN4-10 CN5-1 CN5

39、-2 CN5-3 CN5-4 JR13 D5 GREEN 1 2 3 A R149 220K R150 680K C129 220N 3 2 1 8 4 IC6A NE5532 C130 33P R151 4K7 L+R-3dB POST FADE MONO R152 10K R153 75 C131 220U 16V RM LL1LL2 R162 3K3 R161 8K2 H3D 4K7 C33 33P 5 6 7 IC7B TL072 R55 75 C34 100U 16V D8 RED SW16 SW DPDT J2 R56 10K PFL PFL CN6-3 CN6-1 7-8 CN6

40、-19 CN6-17 MIX R68 10K R168 10K R69 10K R169 10K SW14 SW DPDT SW10 SW DPDT LL2 R85 100K R84 100K R83 100K Q2 BC550 D12 GREEN D13 GREENQ3 BC550 Q4 BC550 D14 GREEN +17V D11 18U D10 1N4148 R79 10K D9 1N4148 6x100KH4 CN6-2 CN6-4 SOLO ENABLE SOLO AUDIO METER_R_INPUT METER_L_INPUT C37 100u R78 10K 5 6 7 I

41、C9B TL072 R70 10K R71 47K SW7 SW DPDT SW8 SW DPDT J3 J4 VR9 20A VR8 20KA PRE LM RM H2D 4K7 C26 33PH2C 4K7 5 6 7 IC5B TL072 R47 75 C27 100U 16V R48 10K LL1 CN6-26 EARTH SENSING RESISTOR AUX EARTH R88 10K -17V +17V +17V R44 62 Q1 BC560 R94 10R R96 10R R98 10R 1N4148 1N4148 CN4-4 +17V -17V CN4-6 CN4-7

42、CN4-5 CN6-32 CN6-30 CN6-28 R45 30K R90 10R R92 10R CN6-16 CN6-14 CN6-12 CN6-10 CN6-8 CN6-6 CN6-24 CN6-22 CN6-20 C41 220U 25V C42 220U 25V R91 10R R93 10R C43 22U 25V C44 22U 25V +V1+V2+V3+V4 -V1-V2-V3-V4 -17V R95 10R R97 10R R99 10R C45 22U 25V C47 22U 25V C49 22U 25V C46 22U 25V C48 22U 25V C50 22U

43、 25V C4 22U 25V C104 22U 25V CN6-18 BALANCE POT EARTH SENSING RESISTOR MAIN GROUND SPADE CN7 CN2-34 CN2-33 +48V R89 10K NOTEMETER NOT SHOWN SEE PRO INPUT SCHEMATIC J1 VR10 20KA VR11 20KA SW9 SW 4PDT PRE 5-6 CN6-27 CN6-25 CN6-23 CN6-21 CN6-29 CN6-31 AUX1 AUX2 AUX3 AUX4 AUX5 AUX6 R178 10K C137 100u 3

44、2 1 8 4 IC9A TL072 R72 10K R73 10K R7710K R7610K R7510K R7410K D109 1N4148 R179 10K D110 1N4148 R80 91K C40 1U0 R81 18K R57 18K R82 47KC38 2U2 123469 57 8 IC10 BA6144 -17V-17V -17V-17V C39 C22U R87 100K R86 100K Q5 BC550 Q6 BC550 D16 RED D15 GREEN -17V-17V -17V Date: May 10, 1993Sheet 1of 2 SizeDocu

45、ment NumberREV DCD1211-1A Title FORUM MASTER TEL:(0)81-570-7161 FAX:(0)81-577-3677 DDA, HOUNSLOW, MIDDX, TW3 2EB, ENGLAND. OUT+ 3 2 1 8 4 IC13A NE5532 R121 75 C72 100/16 OUT+ OUT- LEFT MONITOR R93 10K R94 75 R92 75 R91 10KR90 10K 5 6 7 IC13B NE5532 R89 10K C56 100/16 C54 33P C53 33P XLR3 LEFT LK3 R8

46、8 10K R87 10K R17 10K RL1 R18 10K C52 100/16 V+ V- 3 4 SIL2B 10K 1 2 SIL2A 10K 7 8 SIL2D 10K 1 2 SIL1A 4K7 C9 33 C11 100/16 R14 75 3 2 1 8 4 IC3A NE5532 R16 4K7 OPTIONAL O/P TRANSFORMER REMOVE FOR -10dBV C7 100/16 C8 100/16 R12 2K R10 0R R11 75R LK1 LK R13 910R C5 220N R8 680K R9 NOT FITTED POT? 10K

47、 C6 33P 5 6 7 IC2B NE5532 SENDRETURN RING NORMAL SLEEVE C4 100/16 R7 10K R3 10K R4 10K R5 10K R6 75R C3 33P C2 22P C1 33P 3 2 8 5 6 7 4 IC1 NE5534 3 2 1 8 4 IC2A NE5532 AUX EARTH REF AUX BUS 1 R2 100K MIX LEFT R1 75R L1 0.22UH PRE CENTRE DETENT SW1 SW DPDT R42 47K R43 47K MONO LEVEL C32 33P R46 4K7

48、R45 1K C31 220N R25 10K C18 33P C17 22P 5 6 7 IC7B NE5532 R44 680K 1 2 3 VR1 10KB REMOVE FOR -10dBV C33 100/16 R48 910R LK9 LK R48 2K R41 75R V+ V- V+ 1 2 SIL5A 4K7 78 SIL5D 4K7 1 2 SIL6A 10K C34 33 3 2 1 8 4 IC8A NE5532 5 6 7 IC8B NE5532 XLR3 MONO 7 8 SIL6D 10K 3 4 SIL6B 10K R49 75 R50 75 C36 100/1

49、6 C37 100/16 R51 4K7 RL2 R53 10K LK10 LK11 OPTIONAL O/P TRANSFORMER R52 10K V+ V- 78 SIL1D 4K7 3 4 SIL1B 4K7 5 6 SIL1C 4K7 5 6 SIL2C 10K C10 33 C12 100/16 V+ V- R15 75 5 6 7 IC3B NE5532 -C25 100/16 1 2 SIL3A 4K7 C26 33 1 2 SIL4A 10K 3 2 1 8 4 IC6A NE5532 R36 75 C28 100/16 R116 10K XLR2 XLR1 OPTIONAL O/P TRANSFORMER LK6 LK4 R117 10K