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R55

Not Required

R56

Not Required

R57

470R

Resistor, metal film 1/2 watt

9111590470

R58

10K

Resistor, metal film 1/2 watt

9111590103

R59

10K

Resistor, metal film 1/2 watt

9111590103

10K

Cermet Horizontal

2002211103

R60

47k

Resistor, metal film 1/2 watt

9111590473

R61

10K

Resistor, metal film 1/2 watt

9111590103

R62

100k

Resistor, metal film 1/2 watt

9111590104

R63

2k2

Resistor, metal film 1/2 watt

9111590222

R64

100R

Resistor, metal film 1/2 watt

9111590101

R65

220R

Resistor, metal film 1/2 watt

9111590221

R66

1K8

Resistor, metal film 1/2 watt

9111590182

R67

100R

Resistor, metal film 1/2 watt

9111590101

R68

Resistor, metal film 1/2 watt

9111590102

R69

Resistor, metal film 1/2 watt

9111590102

10K

Resistor, metal film 1/2 watt

9111590103

R70

1k RN

Resistor network

9111590100

R71

100R

Resistor, metal film 1/2 watt

9111590101

R72

100k

Resistor, metal film 1/2 watt

9111590104

R73

15k

Resistor, metal film 1/2 watt

9111590153

R74

4k7

Resistor, metal film 1/2 watt

9111590473

R75

47k

Resistor, metal film 1/2 watt

9111590473

R76

100R

Resistor, metal film 1/2 watt

9111590101

10K

Resistor, metal film 1/2 watt

9111590103

R86

47k

Resistor, metal film 1/2 watt

9111590473

33k

Resistor, metal film 1/2 watt

9111590333

BC546

Transistor

2144200546

BC546

Transistor

2144200546

BC546

Transistor

2144200546

XT1

Resonator 4.00 MZ

2171400000

Содержание AMIS250 Series

Страница 1: ...50 Series Service Manual Product Description Set Up Test Procedures Component Lists Full Schematics PCB Overlays Australian Monitor Private Bag 149 Silverwater NSW 1811 Australia www australianmonitor com au ...

Страница 2: ...start once it s internal temperature has fallen below the fan switch on temperature The fan switch on temp is preset at 60degC by the trimmer on the power amp board R58 10k and the NTC R25 10k 25degC The high temperature trip point is set at the factory by trimmer R58 Turning the trim pot clockwise will cause the amplifier to trip and mute at a lower temperature AC Power Inlet The operating voltag...

Страница 3: ...eaker loads use with common COM Common or for 70v or100v speaker loads maximum load of 40 ohms at 100v 70 Positive for 70v line speaker loads use with common 100 Positive 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 Note The minimum im...

Страница 4: ...nsitivity is 1mV 200 ohms Pin connections are pin 1 earth pin 2 signal hot pin 3 signal cold Phantom power of 15 volts is available on all microphone inputs Reading from left to right across the rear panel the inputs are 6 5 4 3 2 1 Line Inputs Line inputs 1 2 3 4 5 have an input sensitivity of 150mV 100K ohms Input 6 has an input sensitivity of 300mV 220K ohms making it suitable for high level in...

Страница 5: ...ive The amplifier ships with the VOX muting function enabled To disable the VOX muting move the jumper labeled JP2 located just to the left and behind the level pot for channel 1 to the middle and rear pins Factory setting is with VOX enabled with the jumper on the middle and front pins Channels 3 4 5 6 are summed through IC1A LM1458 or equivalent to the VCA IC4 M5222P which does the muting The VC...

Страница 6: ...DC 10 Amperes Slow Blow 115V version Mains 230 VAC 8 Amperes Slow Blow DC 10 Amperes Slow Blow ...

Страница 7: ...ntrols Volume controls to minimum Bass treble control to center R33 R34 Bias adjust pots Amplifier PCB fully anticlockwise 3 Power up 3 1 Turn on the power switch and adjust the variac voltage to 115VAC Watch current meter for excess current draw Current should not exceed 0 5A 3 2 Check DC power supply at the fuses the measurement should be approximately 40V 1 5V 3 3 Check DC voltage on the mixer ...

Страница 8: ...ng external signal of different frequency the out put should cut off and switch over to applied insert signal check signal on inset plugs ring terminal with respective ground should be 300mV Remove insert plug 5 3 Check Phantom Switch for on off operation Measure Phantom voltage on an XLR inputs the measurement should be 14 5VDC Reset the phantom switch 5 4 Switch off the set connect battery 24V c...

Страница 9: ...re then reduce the voltage to 35V out and then short output Release the shorting and check for the return of output waveform 11 Remove input signal and check for Hum Noise 20mVrms 12 Reset volumes to minimum THERMAL CHECK 13 Connect load to the amplifier apply signal such that you get 42Vat out put Set for thermal shut off at 110 C 5 C LISTENING TEST Requirements for Listening Test Setup a CD Play...

Страница 10: ...C X2 D5 1N4004 C2 120p C4 120p VCC R31 10R C10 47u C7 15000u IC2 LM7818 C11 100n R10 1k R13 1M R5 10k R9 47k R33 100R R4 3k3 R7 1k R6 10k R3 470R IC1A LM1458 C1 470n V7 BC639 V3 BD140 V9 TIP42C R11 1k R22 1k 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 ...

Страница 11: ...7 C39 100u R40 50K IC8 M5222 R61 10K C41 22P C42 22P XT1 VDD D6 D7 D8 R66 1K8 R65 220R R64 100R R62 100k C43 47u C45 47u C40 22u IC9 7805 C36 10u VDD VCC IC1A 1458 IC1B 1458 IC4 M5222 R1 10K R2 100k R3 10K R11 1M R17 100k D5 D9 C4 4u7 C5 4u7 C8 4u7 C13 47u C14 82p C15 33p C16 4u7 VCC R21 120k VCC R37 4K7 R43 1M R4 6K8 R18 6K8 R19 50K C1 5N6 C2 03u IC3A LM1458 IC3B LM1458 R46 10K R47 10K R48 10K R4...

Страница 12: ...4u7 C12 4u7 C8 150P C7 150P C6 150P C5 150P C4 4u7 R22 680R R21 680R R20 22K R19 22K R18 22K R12 22K R4 100K R17 100K R16 680R R15 680R R14 680R R13 680R R11 100K R10 22K R9 22K R6 22K R5 22K R3 100K 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 10R R29 4k7 R30 4k7 R38 100K R39 100K R40 100K R41 100K 1L 2L ...

Страница 13: ......

Страница 14: ......

Страница 15: ......

Страница 16: ...0121 C5 4u7 Electrolytic 35V 2121230479 C6 470n Metalised Poly 100V 2124262472 C7 15000u Electrolytic 50V 2121250153 C8 15000u Electrolytic 50V 2121250153 C9 10n Metalised Poly 100V 2124182100 D1 BAV21 Small Signal Diode 2133400201 D10 24V Zener Diode 1Watt 2136010240 D2 BAV21 Small Signal Diode 2133400201 D3 BAV21 Small Signal Diode 2133400201 D4 BAV21 Small Signal Diode 2133400201 D5 1N4004 Rect...

Страница 17: ...etal film 1 2 watt 9111590103 R41 0R22 Wire wound 5 watt resistor 2111450228 R42 0R22 Wire wound 5 watt resistor 2111450228 R43 0R22 Wire wound 5 watt resistor 2111450228 R44 0R22 Wire wound 5 watt resistor 2111450228 R45 0R22 Wire wound 5 watt resistor 2111450228 R46 0R22 Wire wound 5 watt resistor 2111450228 R47 0 047 Wire wound 5 watt resistor 2111450177 R48 0 047 Wire wound 5 watt resistor 211...

Страница 18: ...ansistor TOP 3 2141600036 V18 TIP36C Transistor TOP 3 2141600036 V19 TIP36C Transistor TOP 3 2141600036 V2 BC546 Transistor 2144200546 V20 TIP36C Transistor TOP 3 2141600036 V21 TIP36C Transistor TOP 3 2141600036 V22 TIP36C Transistor TOP 3 2141600036 V23 TIP36C Transistor TOP 3 2141600036 V24 TIP36C Transistor TOP 3 2141600036 V3 BD140 Transistor 2141400140 V4 BD140 Transistor 2141400140 V5 BC639...

Страница 19: ...C34 47P Multi Layer Ceramic 100V 2127181470 C35 470u Electrolytic 35V 2121230471 C36 10u Electrolytic 35V 2121220100 C37 4u7 Electrolytic 35V 2121230479 C38 4u7 Electrolytic 35V 2121230479 C39 100u Electrolytic 35V 2121220101 C4 4u7 Electrolytic 35V 2121230479 C40 22u electrolytic 35V 2121250220 C41 22P Multi Layer Ceramic 100V 2127181220 C42 22P Multi Layer Ceramic 100V 2127181220 C43 47u Metalis...

Страница 20: ... R29 22K Resistor metal film 1 2 watt 9111590223 R3 10K Resistor metal film 1 2 watt 9111590103 R30 22K Resistor metal film 1 2 watt 9111590223 R31 100K Resistor metal film 1 2 watt 9111590104 R32 1K Resistor metal film 1 2 watt 9111590102 R33 100R Resistor metal film 1 2 watt 9111590101 R34 6K8 Resistor metal film 1 2 watt 9111590682 R35 6K8 Resistor metal film 1 2 watt 9111590682 R36 10K Resisto...

Страница 21: ...or metal film 1 2 watt 9111590101 R68 1K Resistor metal film 1 2 watt 9111590102 R69 1K Resistor metal film 1 2 watt 9111590102 R7 10K Resistor metal film 1 2 watt 9111590103 R70 1k RN Resistor network 9111590100 R71 100R Resistor metal film 1 2 watt 9111590101 R72 100k Resistor metal film 1 2 watt 9111590104 R73 15k Resistor metal film 1 2 watt 9111590153 R74 4k7 Resistor metal film 1 2 watt 9111...

Страница 22: ...C14 4u7 NP Non Polar Electrolytic 50V 2120250479 C15 4u7 NP Non Polar Electrolytic 50V 2120250479 C16 4u7 Electrolytic 35V 2121230479 C17 150P Multi Layer Ceramic 100v 2127180155 C18 150P Multi Layer Ceramic 100v 2127180155 C19 150P Multi Layer Ceramic 100v 2127180155 C2 4u7 NP Non Polar Electrolytic 50V 2120250479 C20 150P Multi Layer Ceramic 100v 2127180155 C21 4u7 Electrolytic 35V 2121230479 C2...

Страница 23: ...istor metal film 1 2 watt 9111590104 R18 22K Resistor metal film 1 2 watt 9111590223 R19 22K Resistor metal film 1 2 watt 9111590223 R2 680R Resistor metal film 1 2 watt 9111590681 R20 22K Resistor metal film 1 2 watt 9111590223 R21 680R Resistor metal film 1 2 watt 9111590681 R22 680R Resistor metal film 1 2 watt 9111590681 R23 4K7 Resistor metal film 1 2 watt 9111590472 R24 4K7 Resistor metal fi...

Страница 24: ...or metal film 1 2 watt 9111590100 R51 4k7 Resistor metal film 1 2 watt 9111590472 R52 4k7 Resistor metal film 1 2 watt 9111590472 R53 100K Resistor metal film 1 2 watt 9111590104 R54 220K Resistor metal film 1 2 watt 9111590224 R55 100K Resistor metal film 1 2 watt 9111590104 R56 100R Resistor metal film 1 2 watt 9111590101 R57 100R Resistor metal film 1 2 watt 9111590101 R6 22K Resistor metal fil...

Страница 25: ...C639 NPN TO92 2144200639 S7007 0 16 BC640 PNP TO92 2144200640 S7008 0 16 BD140 PNP TO92 2141400140 0 22 BD139 NPN TO92 2141400139 S7009 0 22 LM1458 IC Dual Op amp 2152801048 LM1458 0 26 LM833N IC Dual Op amp 2157800833 LM833 1 05 LM358 IC Dual Op amp 2152800358 LM358 1 05 LM78L05 IC Regulator 2151270805 LM7805 0 17 LM7815 IC Regulator 2151370815 LM7815 0 52 LM7818 IC Regulator 2151370818 LM7818 0 ...

Страница 26: ...Phono connector 1 4 socket 2582110645 0 86 XLRF 2587210266 1 34 XLMR 2587110227 1 08 Screw washer Black screw w star 2316420308 0 04 Screw Black screw wo star 2316421306 0 04 Knob volume master 9346110015 0 12 Acrylic cover for 9347560006 0 31 6 way terminal ...

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