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    AustralianMonitor-AMCplus120P-pwr-sm维修电路图 手册.pdf

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    AustralianMonitor-AMCplus120P-pwr-sm维修电路图 手册.pdf

    Australian Monitor 1 Clyde Street, Silverwater NSW 2128 Australia +61 2 9647 1411 .au SERVICE INFORMATION AMC+120P POWER AMPLIFIER CONTENTS: OPERATION MANUAL SCHEMATIC DIAGRAM COMPONENT OVERLAY TEST PROCEDURE REPLACEMENT PARTS LIST SERVICE BULLETIN RadioFans.CN AMC+ SERIES 120W / 250W POWER AMPLIFIERS INSTALLATION AND OPERATION MANUAL RadioFans.CN 1. Save the carton and packing material even if the equipment has arrived in good condition. Should you ever need to ship the unit, use only the original factory packing. 2. Read all documentation before operating your equipment. Retain all documentation for future reference. 3. Follow all instructions printed on unit chassis for proper operation. 4. Do not spill water or other liquids into or on the unit, or operate the unit while standing in liquid. 5. Make sure power outlets conform to the power requirements listed on the back of the unit. 6. Do not use the unit if the electrical power cord is frayed or broken. The power supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them, paying particular attention to cords and plugs, convenience receptacles, and the point where they exit from the appliance. 7. Always operate the unit with the AC ground wire connected to the electrical system ground. Precautions should be taken so that the means of grounding of a piece of equipment is not defeated. 8. Mains voltage must be correct and the same as that printed on the rear of the unit. Damage caused by connection to improper AC voltage is not covered by any warranty. 9. Have gain controls on amplifi ers turned down during power-up to prevent speaker damage if there are high signal levels at the inputs. 10 Power down and disconnect units from mains voltage before making connections. 11. Never hold a power switch in the “ON” position if it wont stay there itself! 12. Do not use the unit near stoves, heat registers, radiators, or other heat producing devices. 13. Do not block fan intake or exhaust ports. Do not operate equipment on a surface or in an environment which may impede the normal fl ow of air around the unit, such as a bed, rug, weathersheet, carpet, or completely enclosed rack. If the unit is used in an extremely dusty or smoky environment, the unit should be periodically “blown free” of foreign matter. 14. Do not remove the cover. Removing the cover will expose you to potentially dangerous voltages. There are no user serviceable parts inside. 15. Do not drive the inputs with a signal level greater than that required to drive equipment to full output. 16. Do not connect the inputs / outputs of amplifi ers or consoles to any other voltage source, such as a battery, mains source, or power supply, regardless of whether the amplifi er or console is turned on or off. 17. Do not run the output of any amplifi er channel back into another channels input. Do not parallel- or series-connect an amplifi er output with any other amplifi er output. Australian Monitor is not responsible for damage to loudspeakers for any reason. 18. Do not ground any red (“hot”) terminal. Never connect a “hot” (red) output to ground or to another “hot” (red) output! 19. Non-use periods. The power cord of equipment should be unplugged from the outlet when left unused for a long period of time. 20. Service Information Equipment should be serviced by qualifi ed service personnel when: A. The power supply cord or the plug has been damaged. B. Objects have fallen, or liquid has been spilled into the equipment C. The equipment has been exposed to rain D. The equipment does not appear to operate normally, or exhibits a marked change in performance E. The equipment has been dropped, or the enclosure damaged. THIS SAFETY INFORMATION IS OF A GENERAL NATURE AND MAY BE SUPERSEDED BY INSTRUCTIONS CONTAINED WITHIN THIS MANUAL IMPORTANT SAFETY INFORMATION RadioFans.CN PAGE 3AMC+ SERIES INSTALLATION AND OPERATION MANUAL The Australian Monitor Installation Series AMC+ range of booster amplifi ers take the rugged reliability of the famous AMIS range and deliver the same high quality audio reinforcement, in a low cost, 2 rack unit package. The AMC+ booster amplifi ers are available in 120 & 250 watts & offer 100 volt or 4 ohm outputs. The AMC+ series booster amplifi ers give the audio contractor a reliable, low cost booster amplifi er for applications that are price sensitive but still require high quality commercial sound reinforcement. AUS, EUR, USA Rev A: 10th Nov 2008 This symbol is intended to alert the user to the presence of uninsulated “dangerous voltage” within the products enclosure that may be of suffi cient magnitude to constitute a risk of electric shock to persons. This symbol is intended to alert the user to the presence of important operational and maintenance (servicing) instructions in the literature accompanying the appliance. To prevent electric shock do not use this (polarised) plug with an extension cord, receptacle or other outlet unless the blades can be fully inserted to prevent blade exposure. To prevent electric shock, match wide blade of plug to wide slot, fully insert. Caution: CAUTION CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK), NO USER SERVICEABLE PARTS INSIDE, REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. WARNING! TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. RISK OF ELECTRIC SHOCK DO NOT OPEN INTRODUCTION AND CONTENTS INTRODUCTION 3 FRONT PANEL 4 REAR PANEL 5 INSTALLATION 6 TROUBLESHOOTING AND BLOCK DIAGRAM 7 DIMENSIONS 8 SPECIFICATIONS 9 NOTES 10 RadioFans.CN PAGE 4AMC+ SERIES INSTALLATION AND OPERATION MANUAL FRONT PANEL 1 On This LED indicates the unit is powered “on”. 2 Power This switch switches power on or off the mains. The up position is on. 3 Vents Air intake for fan cooling on AMC+250P only. 6 1233 12 RadioFans.CN PAGE 5AMC+ SERIES INSTALLATION AND OPERATION MANUAL REAR PANEL 132 1 Input These 3 pin XLR sockets accept the source input for each channel. One input is a male XLR, the other is a female XLR. The male XLR is normally used as a thru output. When wiring from unbalanced sources, pins 1 and 3 should be shorted together (see Installation section). The input sensitivity (voltage required to drive amplifi er to maximum power) of the amplifi er is 150mV (-14dBu) with the Input Level Control set at maximum. 2 Level This pot controls the level of the signal through the amplifi er channel. Minimum position is Off and maximum gives a sensitivity of 150mV (-14dBu). The maximum input voltage before the input stage clips is 2.45V (+10.0dBu). Depending on the input source, the input level control should be run above the 12 oclock position (half way) to avoid clipping the input stage. 3 Direct Out The speaker connections are on the 12 pole terminal strip. There is a low impedance output (OHM) and a distributed line voltage output (LINE). 70V out is available on 115V models. 100V out is available on 230V models. There are 6 unused terminals. These do not connect to anything. 4 Note: Only connect one output either Distributed Line or Low Impedance per channel. Do not connect LowZ and 70/100V at the same time. The output strip comes fi tted with a touch-proof cover held in place by two M3 machine screws with fl at and spring washers. 4 IEC Mains Input Socket This is a standard IEC 3 pin socket. It accepts a standard IEC mains cable, provided. The fuse draw at 5 contains the mains fuse and a spare. The mains fuse is a time lag (slow blow) HRC 20mm x 5mm ceramic type fuse. Always replace the fuse with one of the same value and type. Note: Always disconnect power to the amplifi er before replacing fuses. 3 Direct Out continued Minimum Impedance AMC+120P AMC+250P Distributed Line Output 70V (115V version) 41ohm 20ohm 100V (230V version) 83ohm 40ohm Low Impedance Output (both versions) 4ohm 4ohm The ratings are: AMC+120P AMC+250P 230V model 2A 2.15A 115V model 4A 6.3A RadioFans.CN PAGE 6AMC+ SERIES INSTALLATION AND OPERATION MANUAL INSTALLATION Mounting When rack mounting, it is advisable to allow 1 rack space above and below the amplifi er. When multiple amplifi ers are mounted in a rack, exhaust fans should be used on the rack. Airfl ow for cooling the AMC+120P is by convection from bottom to top. Airfl ow for cooling the AMC+250P is by fan from front to side. Direct Output The output terminal strip accepts wire sizes from 16-22AWG (1.5mm2 0.35mm2) or spade lugs. The following table should be used as a guideline for cable sizes. Regulations in your area may require different gauged wire and should be checked before using. Output Distance Wire Size AMC+120P AMC+250P 100V Up to 50m AWG24(0.2mm2) AWG22(0.35mm2) 50m200m AWG18(0.75mm2) AWG16(1.5mm2) Over 200m AWG16(1.5mm2) AWG13(2.5mm2) 70V Up to 50m AWG22(0.35mm2) AWG18(0.75mm2) 50m200m AWG16(1.5mm2) AWG13(2.5mm2) Over 200m AWG13(2.5mm2) AWG10(6.0mm2) 4 ohm Up to 10m AWG18(0.75mm2) AWG18(0.75mm2) 10m30m AWG13(2.5mm2) AWG13(2.5mm2) Over 30m Not Recommended Not Recommended Note: Only connect one output either Distributed Line or Low Impedance. Input Connections For wiring balanced in, pin 2 is hot. Balanced input wiring (shielded pair cable) is recommended. When wiring unbalanced in. pin2 is hot and pin 1 and pin 3 should be shorted together to the shield. RadioFans.CN PAGE 7AMC+ SERIES INSTALLATION AND OPERATION MANUAL TROUBLESHOOTING AND BLOCK DIAGRAM Troubleshooting Guide TroubleLikely CauseRemedy Power LED not on Power not reaching amplifi erCheck power switch is on Check mains connection Check mains fuse Distorted soundOutput is short circuited Input is overloaded Output is being over driven Check speaker loads for shorts Reduce input level at source Reduce volume levels No sound but amp is onVolume controls down Amplifi er has overheated DC fuse(s) blown Check volume controls Check for obstructions above and below Make sure the amplifi er is well ventilated Refer product to local Australian Monitor dealer RadioFans.CN PAGE 8AMC+ SERIES INSTALLATION AND OPERATION MANUAL DIMENSIONS Dimensions the same for both the AMC+120P and the AMC+250P RadioFans.CN PAGE 9AMC+ SERIES INSTALLATION AND OPERATION MANUAL SPECIFICATIONS AMC+ 120P AMC+ 250P POWER OUTPUT (0.5%THD, 1KHZ) 120W 250W S/N RATIO 88dB 88dB FREQ RESPONSE (-3dB +1dB) 50Hz-20kHz 40Hz-20kHz THD (1KHz, -1dB) Better than 0.5% Better than 0.5% INPUT SENSITIVITY 150mV 150mV (pot full) IMPEDANCE 20k 20k HEADROOM 10dB 10dB FUSES MAINS (115V) 4A 6.3A MAINS (230V) 2A 3.15A DC 8A 10A (x2) SIZE (WXHXD) 482 x 88 x 281mm 482 x 88 x 384mm 19” x 3.5” x 11.1” 19” x 3.5” 15.1” NET WEIGHT 10.5kg 11.5kg 23.1lb 25.3lb SHIPPING WEIGHT 12.5kg 14kg 27.6lb 30.8lb SHIPPING DIMENSIONS (WXHXD) 525 x 175 x 385mm 525 x 185 x 470mm 20.7” x 6.9” x 15.2” 20.7” x 7.3” x 18.5” MAINS CURRENT DRAW (230V) FULL POWER 1.20A 2.53A 1/3 POWER 0.80A 1.61A 1/8 POWER 0.55A 1.10 IDLE 0.15A 0.15A MAINS CURRENT DRAW (115V) FULL POWER 2.50A 5.28A 1/3 POWER 1.67A 3.36A 1/8 POWER 1.15A 2.30A IDLE 0.31A 0.31A THERMAL OUTPUT (W) FULL POWER 128W 259W 1/3 POWER 118W 231W 1/8 POWER 91W 168W IDLE 26W 26W THERMAL OUTPUT (BTU/HR) FULL POWER 437 884 1/3 POWER 403 788 1/8 POWER 311 573 IDLE 89 8 *1/3 and 1/8 power levels relate to voltage changes, not load changes. RadioFans.CN SYDNEY (NSW SALES) 1 Clyde Street Silverwater NSW 2128 Private Bag 149 Silverwater NSW 1811 Phone: (02) 9647 1411 Fax: (02) 9648 3698 Email: .au CANBERRA (ACT SALES) 1st Floor, Campion Street Deakin ACT 2600 PO Box 109 Deakin West ACT 2600 Phone: (02) 6260 4544 Fax: (02) 6260 4744 Email: gordon.anderson .au MELBOURNE (VIC & TAS SALES) 22/277 Middleborough Road Box Hill VIC 3128 PO Box 151 Blackburn South VIC 3130 Phone: (03) 9890 7477 Fax: (03) 9890 7977 Email: .au BRISBANE (QLD SALES) 42 Commercial Road Fortitude Valley QLD 4006 PO Box 2578 Fortitude Valley BC QLD 4006 Phone: (07) 3852 1312 Fax: (07) 3252 1237 Email: .au ADELAIDE (SA & NT SALES) 31 Walsh Street Thebarton SA 5031 PO Box 157 Hindmarsh SA 5007 Phone: (08) 8352 4444 Fax: (08) 8352 4488 Email: .au PERTH (WA SALES) 3/11 Howe Street Osborne Park WA 6017 PO Box 1281 Osborne Park BC WA 6916 Phone: (08) 9204 0200 Fax: (08) 9244 3783 Email: .au AUCKLAND (NZ SALES) 9C Piermark Drive Albany 0752 New Zealand PO Box 300-512 Albany 0752 Phone: (09) 415 9426 Fax: (09) 415 9864 Email: salesaudiotelex.co.nz AUSTRALIA AND NEW ZEALAND .au EUROPE / ASIA / MIDDLE EAST .au INTERNATIONAL SALES 1 Clyde Street Silverwater NSW 2128 Australia Private Bag 149 Silverwater NSW 1811 Phone: + 61 2 9647 1411 Fax: + 61 2 9748 2537 Email: .au RadioFans.CN 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 DD CC BB AA 11 DESCRIPTION: DRAWN BY: DRAWING No: DATE: REVISION NOTE: SHEETof AUSTRALIAN MONITOR DATEDRNREV F E D C B A AMC 60/120 Amp AMC60_120Amp 2009-5-5 TF2 Driver TXFR 1:1 T15 BC546B 10k R42 1k R43 1k PR1 680E/2W R41 220R R25 470R R320.39R/5W R34 * R38 T8 TIP41C T10 TIP35C T14 * VcVcVc O/P TXFR1 470R R19 100R R20 10k R16 47k R15 1k R12 2k2 R9 100R R10 330k R5 22k R6 1k5 R2 220n C2 4.7u/25 C4 T4 BD139T2 C1815 10k R45 220R R24 470R R31 0.39R/5W R33 * R37 T7 TIP41CT9 TIP35C T13 * VcVcVc 470R R18 100R R17 10k R13 47k R14 1k R11 2k2 R8 100R R7 330k R4 22k R3 1k5 R1 220n C1 4.7u/25 C3 T3 BD139 T1 C1815 10k R44 24V BIAS BIAS 24V Driven by balanced signal 1k R21 1k R22 BIAS 0R R23 0R R26 D2 1N4007 D1 1N4007 T5 BC639 T6 BC639 * R28 56R R27 * R29 56R R30 C5 * C6 2200u/63V F1 8 A (150R/5W) X 2 R39 230V PRIM1(39.5V) F2 HRC 120W-2A/60W-1.6A D3 6A04 D4 * D5 6A04 D6 * VC Mains 230/240 V 0.39R/5W R36 T12 TIP35C Vc 0.39R/5W R35 T11 TIP35C Vc PRIM2(39.5V) T16 BD139 R40 2k2 C13 47u/50 C14 47u/50 D7 24V Com 4Ohm Com 100V 1 2 3 4 5 6 CN1 CON6 VCC TH1 THERMISTOR 10K C17 1n C16 1n C8 N/C C7 N/C 24V C9 N/C C10 N/C Increased gain, removed 230/240V switch, removed zobelCKW22/05/08 Model Variations * AMC+60 / AMC+120 D4, D6 AMC60 - N/C AMC120 - 6A04 T13, T14 AMC60 - N/C AMC120 - TIP35C R37, R38 AMC60 - N/C AMC120 - 0.39R/5W C5 AMC60 - N/C AMC120 - 2200uF/63V R28, R29 AMC60 - 150R AMC120 - 56R RadioFans.CN 1 1 2 2 3 3 4 4 5 5 6 6 DD CC BB AA Title NumberRevisionSize B Date:4/29/2012Sheet of File:.AMC+120.SCHDrawn By: TF2 Driver TXFR 1:1 T15 BC546B 10k R42 1k R43 1k PR1 680E/2W R41 220R R25 470R R320.39R/5W R34 0.39R/5W R38 T8 TIP41C T10 TIP35C T14 TIP35C VcVcVc O/P TXFR1 470R R19 100R R20 10k R16 47k R15 1k R12 2k2 R9 100R R10 330k R5 22k R6 1k5 R2 220n C2 4.7u/25 C4 T4 BD139T2 C1815 10k R45 220R R24 470R R31 0.39R/5W R33 0.39R/5W R37 T7 TIP41CT9 TIP35C T13 TIP35C VcVcVc 470R R18 100R R17 10k R13 47k R14 1k R11 2k2 R8 100R R7 330k R4 22k R3 1k5 R1 220n C1 4.7u/25 C3 T3 BD139 T1 C1815 10k R44 24V BIAS BIAS 24V Driven by balanced signal 1k R21 1k R22 BIAS 0R R23 0R R26 D2 1N4007 D1 1N4007 T5 BC639 T6 BC639 56R R28 56R R27 56R R29 56R R30 C5 2200u/

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