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AUSTRALIAN MONITOR AMIS120XL Series, Service Manual

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AUSTRALIAN MONITOR AMIS120XL Series Service Manual Download Page 25

R47

47K

Potentiometer linear

2021000503

R48

68K

Resistor Metal film 1/2W

2021000503

R5

5K6

Resistor Metal film 1/2W

9111590562

R52

39K

Resistor Metal film 1/2W

9111590393

R53

10K

Resistor Metal film 1/2W

9111590103

R54

100K

Cermet Horizontal

2002211104

R6

10K

Resistor Metal film 1/2W

9111590103

R67

10K

Resistor Metal film 1/2W

9111590103

R69

100K

Resistor Metal film 1/2W

9111590104

R7

6K8

Resistor Metal film 1/2W

9111590682

R70

1M

Resistor Metal film 1/2W

9111590105

R71

10K

Resistor Metal film 1/2W

9111590103

R72

33K

Resistor Metal film 1/2W

9111590332

R73

22K

Resistor Metal film 1/2W

9111590223

R74

10K

Resistor Metal film 1/2W

9111590103

R75

10K

Resistor Metal film 1/2W

9111590103

R76

22K

Resistor Metal film 1/2W

9111590223

R77

120K

Resistor Metal film 1/2W

9111590124

R78

100K

Resistor Metal film 1/2W

9111590104

R79

47K

Potentiometer linear

2021000503

R8

47K

Potentiometer linear

2021000503

R80

10K

Resistor Metal film 1/2W

9111590103

R81

100K

Resistor Metal film 1/2W

9111590104

R82

1M

Resistor Metal film 1/2W

9111590105

R83

10K

Resistor Metal film 1/2W

9111590103

R84

10K

Resistor Metal film 1/2W

9111590103

R85

47K

Potentiometer linear

2021000503

R86

22K

Resistor Metal film 1/2W

9111590223

R87

10K

Resistor Metal film 1/2W

9111590103

R88

10K

Resistor Metal film 1/2W

9111590103

R89

22K

Resistor Metal film 1/2W

9111590223

R9

47K

Potentiometer linear

2021000503

R90

33K

Resistor Metal film 1/2W

9111590333

R91

10K

Resistor Metal film 1/2W

9111590103

R92

2K2

Resistor Metal film 1/2W

9111590222

R93

2K2

Resistor Metal film 1/2W

9111590222

R94

2K2

Resistor Metal film 1/2W

9111590222

R96

10K

Resistor Metal film 1/2W

9111590103

R97

10K

Resistor Metal film 1/2W

9111590103

R98

10K

Resistor Metal film 1/2W

9111590103

RN2A

1K

Resistor Network

2111888102

RN2B

1K

Resistor Network

2111888102

RN2C

1K

Resistor Network

2111888102

RN2D

1K

Resistor Network

2111888102

Summary of Contents for AMIS120XL Series

Page 1: ...0XL 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 ...

Page 2: ...is equipped with an in built AC fuse holder fitted with a 3 15 amp 240V version 4 amp 115V version fuse plus a spare within the holder Power consumption is 250 VA 24 Volt DC Power Inlet The AMIS250 features optional 24VDC power to run off a battery supply if required This is connected via the rear terminal strip The front panel Power Switch will not switch DC power on or off in DC operation In thi...

Page 3: ...ote The minimum impedance or maximum load at 100 volt line should be no less than 80 Ohms 115V version The screw terminals on the left hand side of the strip allow access to the direct speaker outputs of the amplifier Reading from left to right the terminals are COM Common or for low impedance speaker loads 4 ohms 4 Positive for 4 ohm speaker loads use with common 8 Positive for 8 ohm speaker load...

Page 4: ...nnector per channel The mic input sensitivity is 1mV 200 ohms Pin connections are pin 1 earth pin 2 signal hot pin 3 signal cold Phantom power of 15 volts is switchable on all microphone inputs Reading from left to right across the rear panel the connections are for inputs 8 7 6 5 on the bottom and 4 3 2 1 on the top Line Inputs Line inputs 1 2 3 4 5 6 7 8 have an input sensitivity of 180mV 100K o...

Page 5: ...ant The on time is determined by the charge time of C19 22uF through R33 22k This is approximately 2 seconds It must be remember that the relay circuit is designed to be fail safe so that when power is on the relay is on and therefore the relay must turn off quickly when priority is on and on slowly when priority is off This is to avoid chatter of the relay VCA Control An external pot 500K can be ...

Page 6: ...A number of muting options are available and can be altered via a series of internal links located on the front mixer board behind inputs 1and 2 Muting for any of the first three inputs can be disabled The jumpers are located on the front mixer PCB behind input 1 and 2 s level controls To disable muting from input 1 move jumper JP1 towards the back of the chassis To disable muting from input 2 mov...

Page 7: ...7 2V to 7 5V The charging of the capacitor occurs from approximately 1V to 8 1V VCA M5222P pin out 1 Output1 2 Input1 3 Reference voltage Vcc 4 Gnd 5 Control 6 Input2 7 Output2 Note The M5222P is a current in current out device Voltage conversion is done through resistors The maximum input current is 50uA rms Current gain is 0 5 Fuse Sizes 240V version Mains 230 VAC 3 15 Amperes Slow Blow DC 10 Am...

Page 8: ... 3 2 Check DC power supply at fuses Should be approx 34V 1 5V 3 4 Check DC voltage on mixer board Should be approx 15V 0 5V 3 5 Check 1 2 VCC on mixer board should be 8 VDC 0 5 3 6 Measure DC voltages on IC of mixer input PCB s p8 15V 5 p4 0V 100mV pl 8V 5 but on power it should be P8 18V 5 other remain same 3 7 Put a multimeter across R30 the meter should read 1 0mV 5 then slowly adjust the prese...

Page 9: ...for rated out put power out put signal will clip up to 2 FINAL TESTING Requirements for final testing a Load 40Ω b Multimeter c Oscilloscope d Microphone e Variac 6 Check sensitivity of all channel Optional 6 1 Mic input CH1 CH4 1mV out put 70V 5V 6 2 AUX input CH1 CH3 150mV out put 70V 5V 6 3 AUX input CH4 150mV out put 32 5V 1 5V 6 4 Check the Power bandwidth 68Hz 5Hz 15KHz 2KHz 6 5 Check Bass c...

Page 10: ... a A CD Player b Speaker c Microphone 15 Connect amplifier to the signal source and the speaker 15 1Set all tone pots at center position switch on the amplifier and check for any turn on thump 15 2 Connect the CD Player to an Auxiliary input channel 4 15 3 Set all Channel Pots at the minimum fully counter clockwise position 15 4 Increase the level on the channel that has the program source connect...

Page 11: ...IC1A LM1458 R30 0R1 R3 470R R6 10k R7 1k R4 3k3 R33 100R R9 47k R5 10k R13 1M R10 1k V2 TIP36C V6 TIP36C R26 0R22 R25 0R22 R1 0R22 R2 0R22 C11 100n IC2 LM7818 C7 4700u F1 C10 47u R31 10R VCC C4 120p C2 120p D5 1N4004 R40 15R 2W X2 X1 LK1 V15 TIP36C R41 0R22 R42 0R22 V16 TIP36C C8 4700u R43 1K C17 330P C18 330P R44 1K C3 4u7 R45 4K7 R46 4K7 VCC C16 1u R32 1K R47 10K R48 10K R49 2K7 D11 2V7 D12 BAV2...

Page 12: ...1458 IC2B LM1458 R1 680R R2 680R R5 22K R6 22K R9 22K R10 22K R13 680R R14 680R R15 680R R16 680R R12 22K R18 22K R19 22K R20 22K R21 680R R22 680R C1 4u7 C2 4u7 C3 4u7 C4 4u7 C5 150P C6 150P C7 150P C8 150P C9 4u7 C10 4u7 C11 4u7 C12 4u7 C13 4u7 C14 4u7 C15 4u7 C16 4u7 C17 150P C18 150P C19 150P C20 150P C21 4u7 C22 4u7 C23 4u7 C24 4u7 5R 6R 7R 8R C25 4u7 C26 4u7 D1 R46 1K R47 1K R48 47K R49 47K ...

Page 13: ...K7 R24 4K7 R23 4K7 R8 4K7 R7 4K7 4 XLR 3 XLR 2 XLR 1 XLR IC1A LM1458 IC1B LM1458 IC2A LM1458 IC2B LM1458 R1 680R R2 680R R5 22K R6 22K R9 22K R10 22K R13 680R R14 680R R15 680R R16 680R R12 22K R18 22K R19 22K R20 22K R21 680R R22 680R C1 4u7 C2 4u7 C3 4u7 C4 4u7 C5 150P C6 150P C7 150P C8 150P C9 4u7 C10 4u7 C11 4u7 C12 4u7 C13 4u7 C14 4u7 C15 4u7 C16 4u7 C17 150P C18 150P C19 150P C20 150P C21 4...

Page 14: ...8 68K R47 47K VCC VCC C4 47u R15 120K IC1A C29 4u7 R69 100K R70 1M R71 10K C30 4u7 C31 4u7 VCC R72 33K R73 22K R74 10K IC5 C32 4u7 R75 10K IC3B C33 4u7 C34 100P R76 22K C35 47u R77 120K IC3A C37 4u7 D10 R79 47K R80 10K R81 100K R82 1M R83 10K VCC VCC R84 10K R85 47K R86 22K C38 100P C39 4u7 IC7B R87 10K C40 4u7 IC13 R88 10K R89 22K R90 33K C41 4u7 D1 D11 D12 D13 D14 D15 D16 R20 47K R7 6K8 R18 6K8 ...

Page 15: ... C150 1u D18 R66 100R D9 10V V3 BC546 R65 4K7 D8 R62 100K R55 47K R63 10K C27 47u R56 47K C26 47u R61 2K2 IC18 C22 22u R60 100R XT1 C21 22P C18 22P D7 D6 D5 RN1D 10K RN1C 10K RN1B 10K RN1A 10K R59 1M R49 100K R34 220R R68 1K8 V2 BC546 IC8A LM358 IC8B LM358 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 IC6 16C54 C47 47u R57 15K VCC VCC VCC X7 1 NC NO COM 3 4 5 X6 4 2 X1 2 1 X5 AG 7 5VDC 33VDC 1 X2 2...

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Page 17: ......

Page 18: ......

Page 19: ......

Page 20: ...101 CX1 22n 400V metalised Polyproplyene 275V 2124192022 CX2 220n metalised Polypropylene 275v D1 BAV21 Small signal diode 2133400201 D11 2V7 Diode zener 1 2w 2V7 2136090279 D12 BAV21 Small signal diode 2133400201 D2 BAV21 Small signal diode 2133400201 D3 BAV21 Small signal diode 2133400201 D4 BAV21 Small signal diode 2133400201 D5 1N4004 Rectifier Diode 400V 1A 2133440004 D6 1N4004 Rectifier Diod...

Page 21: ...und resistor 2111450228 PW5 R22 R42 0R22 PW5 5W wire wound resistor 2111450228 PW5 R22 R43 1K 1 2 W Metal film resistor 9111590102 R44 1K 1 2 W Metal film resistor 9111590102 R45 4K7 1 2 W Metal film resistor 9111590472 R46 4K7 1 2 W Metal film resistor 9111590472 R47 10K 1 2 W Metal film resistor 9111590103 R48 10K 10k NTC thermistor 2111911103 R49 2K7 1 2 W Metal film resistor 9111590272 R5 10k ...

Page 22: ...V9 TIP42C Transistor 2141300042 TIP42C X1 SIL6 X2 SIL2 ...

Page 23: ...layer ceramic 100V 2127181101 C35 47u Electrolytic capacitor 35V 2121230470 C37 4u7 Electrolytic capacitor 35V 2121230470 C38 100P Multi layer ceramic 100V 2127181101 C39 4u7 Electrolytic capacitor 35V 2121230479 C4 47u Electrolytic capacitor 35V 2121230479 C40 4u7 Electrolytic capacitor 35V 2121230479 C41 4u7 Electrolytic capacitor 35V 2121230479 C42 5N6 Metalised Poly Capacitor 100V 2124180562 C...

Page 24: ...2W 9111590682 R19 10K Resistor Metal film 1 2W 9111590103 R2 10K Resistor Metal film 1 2W 9111590103 R20 47K Potentiometer linear 2021000503 R21 330R Resistor Metal film 1 2W 9111590331 R22 100K Resistor Metal film 1 2W 9111590104 R23 47K Potentiometer linear 2021000503 R24 10K Resistor Metal film 1 2W 9111590103 R25 47K Potentiometer linear 2021000503 R26 10K Resistor Metal film 1 2W 9111590103 R...

Page 25: ...entiometer linear 2021000503 R8 47K Potentiometer linear 2021000503 R80 10K Resistor Metal film 1 2W 9111590103 R81 100K Resistor Metal film 1 2W 9111590104 R82 1M Resistor Metal film 1 2W 9111590105 R83 10K Resistor Metal film 1 2W 9111590103 R84 10K Resistor Metal film 1 2W 9111590103 R85 47K Potentiometer linear 2021000503 R86 22K Resistor Metal film 1 2W 9111590223 R87 10K Resistor Metal film ...

Page 26: ... Capacitor 35V 2120250479 C20 120P Multi layer ceramic capacitor 2127180121 C21 4u7 NPE Capacitor 35V 2121230479 C22 4u7 NPE Capacitor 35V 2120250479 C23 4u7 NPE Capacitor 35V 2120250479 C24 4u7 NPE Capacitor 35V 2120250479 C25 4u7 Electrolytic Capacitor 35V 2121230479 C26 4u7 Electrolytic Capacitor 35V 2121230479 C27 47u Electrolytic Capacitor 35V 2121230479 C28 47u Electrolytic Capacitor 35V 212...

Page 27: ...1 10K Metal film resistor 1 2w 9111590103 R32 10K Metal film resistor 1 2w 9111590103 R33 6K8 Metal film resistor 1 2w 9111590682 R34 12K Metal film resistor 1 2w 9111590123 R35 47K Metal film resistor 1 2w 9111590473 R36 47K Metal film resistor 1 2w 9111590473 R37 47K Metal film resistor 1 2w 9111590473 R38 47K Metal film resistor 1 2w 9111590473 R39 6K8 Metal film resistor 1 2w 9111590683 R4 47K...

Page 28: ...SW4 1 Dip Switch 3 position 2510315003 SW4 2 Dip Switch 3 position 2510315003 SW4 4 Dip Switch 3 position 2510315003 T2 600 600Ω Telephone isolation transformer 2651280253 ...

Page 29: ... Capacitor 35V 2120250479 C20 120P Multi layer ceramic capacitor 2127180121 C21 4u7 NPE Capacitor 35V 2121230479 C22 4u7 NPE Capacitor 35V 2120250479 C23 4u7 NPE Capacitor 35V 2120250479 C24 4u7 NPE Capacitor 35V 2120250479 C25 4u7 Electrolytic Capacitor 35V 2121230479 C26 4u7 Electrolytic Capacitor 35V 2121230479 C27 47u Electrolytic Capacitor 35V 2121230479 C28 47u Electrolytic Capacitor 35V 212...

Page 30: ...1 10K Metal film resistor 1 2w 9111590103 R32 10K Metal film resistor 1 2w 9111590103 R33 6K8 Metal film resistor 1 2w 9111590682 R34 12K Metal film resistor 1 2w 9111590123 R35 47K Metal film resistor 1 2w 9111590473 R36 47K Metal film resistor 1 2w 9111590473 R37 47K Metal film resistor 1 2w 9111590473 R38 47K Metal film resistor 1 2w 9111590473 R39 6K8 Metal film resistor 1 2w 9111590683 R4 47K...

Page 31: ...SW4 1 Dip Switch 3 position 2510315003 SW4 2 Dip Switch 3 position 2510315003 SW4 4 Dip Switch 3 position 2510315003 T2 600 600Ω Telephone isolation transformer 2651280253 ...

Page 32: ...de 2133400201 D7 BAV21 Small signal diode 2133400201 D8 BAV21 Small signal diode 2133400201 D9 10V Zener diode 9V1 IN5239BTR 2136090919 IC14 LM7815 I C Regulator TO220 2151370815 IC15 LM7815 I C Regulator TO220 2151370815 IC17 LM78L05 I C Regulator TO92 2151270805 IC18 M5222 VCA 2153850222 IC6 16C54 PIC 16C54 XT P 18 pin DIP 2159601654 IC8A LM358 Dual op amp 8 pin DIP 2152800358 IC8B LM358 Dual op...

Page 33: ...590103 RN1B 10K Resistor Metal film 1 2w 9111590103 RN1C 10K Resistor Metal film 1 2w 9111590103 RN1D 10K Resistor Metal film 1 2w 9111590103 RY1 Relay single pole double throw 2522240842 V1 BC546 Transistor TO92 2144200546 V2 BC546 Transistor TO92 2144200546 V3 BC546 Transistor TO92 2144200546 XT1 Resonator 4 0mHz 2171400000 ...

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