AustralianMonitor-AMIS1202P-pwr-sm维修电路原理图.pdf

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1、 Australian Monitor 1 Clyde Street, Silverwater NSW 2128 Australia +61 2 9647 1411 .au SERVICE INFORMATION AMIS1202P POWER AMPLIFIER CONTENTS: OPERATION MANUAL SCHEMATIC DIAGRAMS BOARD LAYOUT SERVICE BULLETINS * Over the years there have been a number of revisions to this model RadioFans.CN 收音机爱 好者资

2、料库 Clever Features, Contractor Friendly AMIS1202P 2 x 120w Power Amplifier Operating Manual AMIS1202P, 2 x 120 Watt Power Amplifier Product Description The AMIS1202P is a dual 120 watt power amplifier designed for commercial installations. The one unit contains two independent 120 watt amplifiers fo

3、r either stereo or dual zone applications. The AMIS1202P can be used for either low impedance (4 or 8 ohm) or 70/100v line speaker systems per channel. The amplifier can be mounted in a standard 19” equipment rack (rack ears supplied) or it can be used on a shelf or table. The AMIS1202P features a l

4、ine level input (with parallel output) per channel and is normally used with mixers, mixer amplifiers or other power amplifiers. RadioFans.CN 收音机爱 好者资料库 Front Panel Features Power Switch The black rocker switch on the right hand side of the front panel is used to switch the amplifier on and off. The

5、 up position is on. When the amplifier is connected to an appropriate AC power source and is switched on, the blue power LED will illuminate. This switch will not switch DC power on or off in DC operation. In DC operation mode, the amplifier is always on and the blue power LED will always be illumin

6、ated. On LED The blue “On” LED above the power switch will illuminate when the amplifier is connected to mains power and is switched on. In 24vdc operation the LED will always be on. Signal LED The green “Signal” LEDs located next to the On LED indicate that the AMIS1202P is receiving audio signal v

7、ia its line level inputs. One LED is provided per channel. The signal LEDs are a simple way of trouble-shooting installations especially in multi amplifier projects. At a glance the signal LEDs will indicate that audio is reaching the amplifier. Rack Mounting The AMIS1202P is supplied with rack ears

8、 attached to allow mounting within a standard 19” equipment rack. As is the case with almost all audio products, adequate ventilation and air flow is required. When installing multiple AMIS amplifiers within the one rack, it is recommended that at least one rack unit of ventilation space is left bet

9、ween every two amplifiers. For table or shelf mounting, the rack ears can be removed using a screwdriver. Once the rack ears are removed, please reinstall the screws. Rear Panel Features AC Power Inlet The operating voltage is 230/240 VAC 50 Hz. The 3 pin IEC power inlet is located on the bottom lef

10、t of the rear panel and accepts a standard mains power lead fitted with an IEC connector. Before plugging in a power lead, please check the rear panel of the amplifier to ensure that the voltage switch is set correctly for your part of the world. The inlet is equipped with an in-built AC fuse holder

11、 fitted with an 4 Amp slow blow fuse plus a spare fuse. Please ensure that the mains power cord is disconnected before attempting to check or replace this fuse. Power consumption is 400 VA (max). 230V/240V Slide Switch The operating voltage of the amplifier is user selectable between 230V and 240V v

12、ia a slide switch located on the right of the AC inlet. This switch should be set to match the AC voltage of your country 24 Volt DC Power Inlet The AMIS1202P feature optional 24VDC power to run off a battery back-up if required. This is connected via the rear terminal strip. The front panel Power S

13、witch will not switch DC power on or off in DC operation. In this mode the amplifier is always on. Speaker Output Terminal Strip Located on the top left of the rear panel are the speaker output terminal strips. A terminal strip is provided for each of the two amplifiers. Reading from left to right,

14、the connections per terminal strip are: COM Common or “-” for low impedance speaker loads (4 or 8 ohms). 4 The “+” for 4 ohm speaker loads (use with common) 8 The “+” for 8 ohm speaker loads (use with common) COM Common or “-” for 70v or 100v speaker loads (maximum load of 80 ohms at 100v) 70 The “+

15、” for 70v line speaker loads (use with common) 100 The “+” for 100v line speaker loads (use with common) Please ensure that the correct “Common” is used. Low impedance and 70/100v loads can be used simultaneously but please pay careful attention to the overall speaker load. When used individually, t

16、he low impedance load should be 4 ohms or higher while the 100v line load should not fall below 80 ohms per amplifier. When both low impedance and 70/100v outputs are used simultaneously on the one amplifier, ensure that neither output is loaded to maximum. Level Control Located next to the XLR inpu

17、t/output is a recessed screwdriver adjustable level control. One is provided per amplifier channel. The level control is an input attenuation control normally used to match the amplifier to a wide variety of input signals. In essence, the amplifier is designed to receive a 700mv input signal however

18、 the level control can be used to increase the level for lower signals or decrease the level for higher input signals. In normal use, the level control is used as a set and forget master level control for the amplifier. XLR Audio Input and Parallel Output The AMIS1202P includes both male and female

19、3 pin XLR connectors per channel. While the female is normally used as the input to the amplifier, both XLRs are connected in parallel so either will work. When signal is connected to one XLR, the other XLR becomes a line level output allowing the input signal to be distributed (split) to other ampl

20、ifiers. In some projects, the same input may be looped through to multiple amplifiers using this method. Up to 6 amplifiers can be looped together without any noticeable loss in level. A distribution amplifier should be used when more than 6 amplifiers need to be looped. The XLRs are wired as follow

21、s: Pin 1: Shield. Pin 2: Hot, +, Positive. Pin 3: Cold, -, Negative Fuse Sizes Mains, 230VAC: 4 Amperes Slow Blow. Notes: The DC fuse is located on the circuit board. This is a feature of the AMIS series amplifier, which is equipped with a current limiting circuit preventing excessive DC current, th

22、us eliminating the risk of blowing high tensions fuses. In the unlikely event that the DC fuse actuates, the output transistors should be checked, as it is probable that the amplifier has been subjected to very extreme conditions. Important Safety Information 1. Save the carton and packing material

23、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 o

24、peration. 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 c

25、ords 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 t

26、o 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

27、. 9. Have gain controls on amplifiers turned down during power-up to prevent speaker damage if there are high signal levels at the inputs. 10. Power down & disconnect units from mains voltage before making connections. 11. Never hold a power switch in the “ON” position if it wont stay there itself!

28、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 flow of air around the unit, such as a bed, rug, weathersheet, carpet,

29、 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.

30、 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 amplifiers or consoles to any other voltage source, such as a battery, mains source, or power supply, regardless of whether the amplifier or conso

31、le is turned on or off. 17. Do not run the output of any amplifier channel back into another channels input. Do not parallel- or series-connect an amplifier output with any other amplifier output. Australian Monitor is not responsible for damage to loudspeakers for any reason. 18. Do not ground any

32、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 qualified serv

33、ice 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

34、 has been dropped, or the enclosure damaged. Engineered in Sydney, Australia .au International Sales & Corporate Head Office Private Bag 149, Silverwater NSW 1811 149 Beaconsfield Street, Silverwater NSW 2128 Australia Ph: 61-2- 9647 1411 Fax: 61-2-9748 2537 E-mail: A B C DD C B A Title NumberRevisi

35、onSize A3 Date:13-Feb-2006Sheet of File:C:Protel FilesCDTRAXCD6262-21.DDBDrawn By: D5 1N4004 VCC C16 470u C15 47u IC4 LM7815 R18 47R VCC VCC C14 10u C13 4u7 C12 4u7 D3 D2 D1 IC2B IC2A R17 10K R16 100R R15 5K6 R14 1K R13 22R R12 100K R11 82K R10 2M2 R9 33K C11 2u2 C10 2u2 C92u2 C8 4u7 1 2 3 5 6 7 8 4

36、 9 10 11 12 14 15 16 13 IC3A NE570 R8 22K R7 50K IC1A C5 100P C4 100P C3 4u7 C2 4u7 C1 4u7 R4 10K R3 10K R2 10K R1 10K C17 330P R19 100K R20 100K C18 330P R21 10K R22 10K R23 10K R24 10K C19 4u7 C20 4u7 C21 4u7 C22 100P C23 100P IC2 R26 50K R27 22K 1 2 3 5 6 7 8 4 9 10 11 12 14 15 16 13 IC5A NE570 C

37、24 4u7 C252u2 C26 2u2 C27 2u2 R28 33K R29 2M2 R30 82K R31 100K R32 22R R33 1K R34 5K6 R35 100R R36 10K IC6 IC7 D4 D6 D7 C28 4u7 C29 4u7 C30 10u VCC VCC V1 R5 4K7 R6 4K7 R25 3K9 R37 100R C6 47u C7 4u7 C31 4u7 RS 11 INPUT 15VDC 33VDC OUTPUT X3/1 X2/1 X1/1 JP1 3 3 2 2 1 1 XLR-M XLR-F XLR-F XLR-M 1 1 2

38、2 3 3 JP1 INPUT AG AG X4/1 OUTPUT AG 7.5VDC AMIS1202 INPUT CD6262-1 12345678 A B C D 87654321 D C B A Title NumberRevisionSize A3 Date:18-Jan-2007Sheet of File:C:ATCAMIS1202PAMIS1202P.ddbDrawn By: R20 10K R19 33K R17 10K R16 10K R15 10K R14 10K C12 47P C11 100P IC2B IC3B IC3A IC1B C10 100P C9 47P R1

39、3 10K R12 10K R11 10K R10 10K R9 33K D5 1N4004 VCC C16 470u C15 470u IC4 LM7815 R18 47R C8 4u7 R8 10K R7 50K IC1A C5 100P C4 100P C3 4u7 C2 4u7 C1 4u7 R4 10K R3 10K R2 10K R1 10K R21 10K R22 10K R23 10K R24 10K C19 4u7 C20 4u7 C21 4u7 C22 100P C23 100P IC2A R26 50K C24 4u7 V1 BC546 R5 4K7 R6 4K7 R25

40、 3K9 R27 100R C6 47u C14 .1u C7 .1u C13 .1u C17 47u VCC VCC VCC B 11 INPUT 15VDC 33VDC X2/1 X1/1 3 3 2 2 1 1 XLR-M XLR-F XLR-F XLR-M 1 1 2 2 3 3 INPUT AG AG AG 7.5VDC AMIS1202P INPUT CD6262-1 X1 3 4 X3 1 2 RS - I-l 3 & z tu ( s ( a r1 f I CI o ( o A O C o o t 12345678 A B C D 87654321 D C B A Title

41、NumberRevisionSize A3 Date:5-Feb-2003 Sheet of File:C:AMIS60-120 ManualCD6289-22.DDB Drawn By: C28 1nF C27 1nF VCC V17 BC546 D12 BAV21 D11 2V7 R49 2K7 R48 10K R47 10K R32 1K C16 .1u C19 .1u VCC R46 4K7 R45 4K7 C3 4u7 R44 1K C18 330P C17 330P R43 1K C8 4700u V16 TIP36C R42 0R22 R41 0R22 V15 TIP36C LK

42、1 X1 X2 R40 15R/2W D5 1N4004 C2 120p C4 120p VCC R31 10R C10 47u F1 C7 4700u IC2 LM7818 C11 100n R2 0R22 R1 0R22 R25 0R22 R26 0R22 V6 TIP36C V2 TIP36C R10 1k R13 1M R5 10k R9 47k R33 100R R4 3k3 R7 1k R6 10k R3 470R R30 0R1 IC1A LM1458 C1 470n V7 BC639 V3 BD140 V9 TIP42C V1 TIP36C R11 1k R22 1k V5 T

43、IP36C V10 TIP42C V8 BC639 C6 470n C5 4u7 IC1B LM1458 R17 470R R20 10k R19 1k R16 3k3 R34 100R R14 47k R15 10k R21 1M R24 1k V4 BD140 V11 BC639 R8 330R R18 330R R29 100K R27 1k D1 BAV21 D4 BAV21 V12 BC640 C9 10n R28 560R D3 BAV21 D2 BAV21 R12 2k2 R23 2k2 C12 22P C13 22P V13 BC639 R35 22K R36 470k D6

44、1N4004 D7 1N4004 C14 47u C15 47u RY1 R37 560R V14 BC640 R38 1k R39 0R1 LK2 B1 B2 T1 S1 CX1 22n/400VCX2 220n F2 4amp GNDCH TEMP CUTOUT AMIS120 POWER AMP C BATTERY TERM 24VAC 35VDC CT OUTPUT TR 4 8 FROM MIXER PCB BP BP PW5 10A S/B 4 PRE AMP 6 5 3 X1/8 X1/7 PW5PW5 PW5 PW5PW5 BAT NEG BAT POS +35VDC -IN

45、+IN 35VDC CD6289-2 1 2 3 5 6 7 PW5 2 RS 2 1 2 35VDC POWER GND POWER GND X1/10 X1/9 240VAC 24VDC -T 12345678 A B C D 87654321 D C B A Title NumberRevisionSize A3 Date:15-Mar-2006Sheet of File:C:ATCAMIS120AMIS120-60.DDBDrawn By: VCC V13 TIP36C R26 1K1 V8 BC640 R27 1K RY1 C16 47u C17 47u D8 1N4004 D6 1

46、N4004 R35 470k R34 22K V5 BC639 C15 22P R25 1K V6 BC640 R24 1K1 R21 150R R15 150R R12 470R R11 100K R17 4K7 R18 4K7 VR1 2K R20 1K R22 6K8 R23 100R IC2B NE5532 C8 470pF V15 BC639V16 TIP42C R13 1K R10 1K V11 TIP42C V10 BC639 IC2A NE5532 R19 100R R16 6K8 R14 1K VR2 2K R8 100K R9 470R C28 100n IC3 LM781

47、2 C18 4700uF C21 220u R37 22RVCC C5 100P C3 100P D7 1N4004X2 V12 TIP36C R41 0R22 R42 0R22 C19 4700uF C10 470pF C20 220u VCC V14 TIP36C V19 TIP36C R43 0R22 R45 0R22 R46 0R22 V17 TIP36C V18 TIP36C R47 0R22 IC1A LM1458 IC1B LM1458 R7 10K R2 4K7 R5 10K R6 10K VCC R4 4K7 C4 100P R38 82R C29 .1u V7 BC639

48、C11 .01u V9 BC639 C13 .01u D10 1N5818 CH1 C25 220u C26 47uF C24 .1u V3 BC639 R29 4K7 R28 4K7 D4 IN4004 D3 IN4004 X1 LK1 R30 2K2 LK2 F1 10 S/B R36 22R 2W B1 B2 T1 CX2 .22u CX1 22N/400V S1F2 3.15 A S/B C22 .1u RS 7 6 5 3 2 1 35VDC 8 4 AMIS 120 POWER AMP CD6338-2 2 of2 TO 24VAC X1/16 +BAT TERMINAL POWE

49、R TR X1/15 -12V4 1 2 3 5 6 7 8 -12V 1 2 3 4 5 67 8 -12VDC IC4 MAX765 TEMP CUTOUT X1/14 X1/13 +35VDC PRE AMP INPUT 240VAC 24VDC NOT ON PCB D9 6V8 LK6 LK7 LK6 LK7 R39 10R C27 47uF V2BD139 V1 BD139 D1 IN4004 D2IN4004 C9 .1uF C14 22P R1 10K R3 10K -12V 35VDC V4 BD139 R40 2K2 R49 470R 2W D15 20V C23 100u 24V FAN +35V CX3 .1u RX1 10R 5W X1/7 X1/8 X1/9 X1/10 X1/11 X1/12 X1/12 100 V to Barrier strip X1/11 100 V in from XF X1/9 Com from XF 4/8 ohm X1/10