Summary of Contents for ACM120

Page 1: ...tralian Monitor 1 Clyde Street Silverwater NSW 2128 Australia 61 2 9647 1411 www australianmonitor com au SERVICE INFORMATION AUDIO TELEX ACM120 MIXER AMPLIFIER CONTENTS OPERATION MANUAL SCHEMATIC DIAGRAMS ...

Page 2: ... QLD 4006 Ph 07 38521312 Fax 07 32521237 221277 Middleborough Road Box HillVlC 3128 PO Box 151 Blackburn South VIC 3130 Ph 03 98907477 Fax 03 9890 7977 WA SA TAS 299 Fitzgerald Street West Perth WA 6005 PO Box 404 North Perth WA 6906 Ph 08 92284222 Fax 08 92284233 Electronic Concepts Pty Ltd 76 George Street Thebarton SA 5031 PO Box 7034 Hutt Street Adelaide SA 5000 Ph 08 82349444 Fax 08 823494 1 ...

Page 3: ...ll flat treble response Adjusting the treble control in a clockwise direction will provide up to 9 dB of treble boost 10kHz Adjusting the treble control in a counter clockwise direction will provide up to 9 dB of treble cut l0kJtz Master Output Control This controls the overall output level of the amplifier depending on the levels set for rhe individual input channels as detailed above Start with ...

Page 4: ... the left hand side of the strip allow access to the direct speaker outputs of the amplifier The screw terminals on the right hand side are for activation of the in built 4 tone generator Reading from left to right the terminals are o Low Impedance Common use with 4 or 8 ohms o 4 Ohms not available on ACM60 o 8 Ohms r Constant Voltage Common use with 70v or l00v t 70 Volt Line r 100 Volt Line Spar...

Page 5: ...Tone generator common and the Bell terminal to an external switch Activating the switch or closing the pair of wires will activate the bell When any tone is activated all inputs except for inputs one and two will automatically mute To adjust the level of the tone generator disconnect the power lead remove the amplifier lid and locate the pot labeled R6 located behind the Bass adjustment pot This p...

Page 6: ...u7 C14 4u7 C13 4u7 C12 4u7 C11 4u7 C10 4u7 C9 4u7 C8 150P C7 150P C6 150P C5 150P C4 4u7 C3 4u7 C2 4u7 C1 4u7 R22 680R R21 680R R20 22K R19 22K R18 22K R12 22K R4 220K R17 47K R16 680R R15 680R R14 680R R13 680R R11 47K R10 22K R9 22K R6 22K R5 22K R3 47K R2 680R R1 680R IC2B LM1458 IC2A LM1458 IC1B LM1458 IC1A LM1458 1 XLR 2 XLR 3 XLR 4 XLR R7 4K7 R8 4K7 R23 4K7 R24 4K7 R25 4K7 R26 4K7 R27 0R R28...

Page 7: ...58 100K C34 C35 2u2 C36 2u2 R52 1K R59 1K 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 IC7 16C54 IC8 M5222 R60 R61 R65 R66 C37 2u2 R67 R68 R69 R70 R71 S1 C41 22P C42 22P XT1 VDD D6 D7 D8 R72 1K8 R73 220R R74 100R R75 100k C43 47u C45 47u C47 22u IC9 7805 C48 10u VCC VDD VCC VCC IC1A 1458 IC1B 1458 IC4 M5222 R1 10K R2 100k R3 10K R11 1M R12 47k R17 100k D5 D9 C4 4u7 C5 4u7 C8 4u7 C13 47u C14 33p C1...

Page 8: ... C8 47u C7 47u C6 10u C5 10u C4 150p C3 22uF C2 22uF C1 1200p R25 15R R24 15R R23 15R R22 15R R21 22K R20 22K R19 100R R18 1k R17 1k R26 100R R15 100R R14 1k R13 1k R12 100R R11 22K R10 1K R9 560R R8 22K R7 10K R6 100K R5 2K7 R4 2K7 R3 1K R2 560R R1 22k 17 18 19 4 14 13 12 7 11 1 10 6 16 20 2 9 15 8 3 5 IC1 TDA7250 T2 C28 2200u C29 2200u C30 4u7 C31 4u7 S1 F1 F2 F3 BR1 N1 C11 1uF C10 1uF V5 TIP36C...

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