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Alto AMX-140, Service Manual, Page: 11 / 26

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Alto AMX-140 Service Manual Download Page 11

Summary of Contents for AMX-140

Page 1: ...Service Manual www altoproaudio com Version 2 Model AMX 140 AMX 140FX...

Page 2: ...CONTENTS 1 Specification 2 Block Diagram 3 Schematic Diagram 4 Printed Circuit Board 5 Wiring Diagram 6 Test Procedure 7 Electrical Parts List 8 Exploded Views Mechanical Parts List 9 Notes...

Page 3: ...5Hz 18dB oct DSP Section For AMX 140FX Model A D and D A converters 24 bit DSP resolution 24 bit Type of effects Hall Room Vocal Plate REVERBS Mono Stereo DELAY max DELAY TIME 650ms Chorus Flanger Rev...

Page 4: ...ETER 75Hz 15db 3 BAND EQ 12K 2 5K 80 15db 3c 5e 1a 4d 2b LEFT 3c 5e 1a 4d 2b RIGHT MAIN MIX AUX SEND1 T R S AUX SEND2 T R S MAIN MIX LEFT T R S MAIN MIX RIGHT T R S CONTROL ROOM OUTPUT LEFT T R S RIGH...

Page 5: ...580M R223 1M C185 22P R215 1K1 VR27 B50K R143 1K3 MID R202 910R C158 12n M R203 910R C145 33n M C146 33n M C174 12n M C166 18n M C104 47u 25V R298 8K06 VR30 W50K AUX 1 R231 47K R251 4K7 C198 2 2u 50V...

Page 6: ...50K R147 1K3 MID R208 910R C161 12n M R209 910R C151 33n M C152 33n M C177 12n M C169 18n M C127 47u 25V R317 2K7 VR45 W50K AUX 1 R235 47K R255 4K7 C200 2 2u 50V R173 6K8 TR12 BR TR11 BR R269 1K5 VCC...

Page 7: ...7 U28B BA15218N R336 120R R335 120R R383 10K0 C261 22P 8 U28C BA15218N 8 U29C BA15218N R347 47R R346 47R C253 47u 25V C254 47u 25V AUX RETURN 1 L METER R METER R340 10K0 R341 10K0 3c 5e 1a d 2b X22 J...

Page 8: ...GR LD29 GR VCC LEFT METER 30 20 10 7 4 2 0 2 3 2 1 U30A NJM4580M R367 100K R369 100K C283 47u 25V PGND 10 11 13 U37D LM339 5 4 2 U37A LM339 5 4 2 U40A LM339 10 11 13 U40D LM339 LD30 GR LD31 GR LD32 YE...

Page 9: ...351G 02 250 FOOTSWITCH 1 2 3 SW11A PS 22E85L 10K CHANGE TO 3K3 NetU49_1 NetTR16_C NetLD54 2 NetC342_1 NetC344 1 NetC343_1 NetR400_2 NetR408_2 NetC332 2 NetCN6_16 D40 1N4002 D41 1N4002 ZD1 1N5261 C401...

Page 10: ...09 10K TR16 BR DGND DGND R426 220R R419 7K5 8 4 U44C 4580M 8 4 U46C 4580M 8 4 U45C 4580M C336 100N C337 100N C338 100N C339 100N VCC VCC 3 4 U49B 74HC14 5 6 U49C 74HC14 8 9 U49D 74HC14 2 13 U49F 74HC1...

Page 11: ......

Page 12: ...PCB 313123 2 Top Overlay...

Page 13: ...PCB AMX 140FX Top Overlay...

Page 14: ...PCB AMX 140FX Top Layer...

Page 15: ...PCB AMX 140FX Bottom Overlay...

Page 16: ...PCB AMX 140FX Bottom Layer...

Page 17: ...PCB FX DSP Top Overlay PCB FX DSP Bottom Overlay PCB AMX 100FX Bottom Layer PCB FX DSP Top Layer PCB FX DSP Top Overlay PCB FX DSP Bottom Overlay...

Page 18: ...4 3 2 1 D C B A Title Number Revision Size A3 Date 4 Dec 2004 Sheet of File D AMX 140FX AMX 140FX AMX 140FX ddb Drawn By AMX 140FX AC 230V TG00040 Voltage transform PHANTOM SW POWER SW AMX 140FX Wirin...

Page 19: ...0015 color nut 3m m 7 0033 NF00061 assurance card ALTO 1 0034 NE05004 label ALTO 4 0035 HA01388 row wire connector wiring 2P 100 1 0036 HA01442 row wire connector wiring 2P 200 1 0037 NF01658 instruct...

Page 20: ...0025 NI01782 LED spacer support LEDS 11 11mm 32 0026 NI01776 LED spacer support LED 3 3mm 1 LD7 0027 RA00159 fixed resistor 1 4W 10 Mr type 1 R443 0028 RA00174 fixed resistor 1 4W 47 M type 2 R346 R34...

Page 21: ...212 J214 J215 J216 J218 J221 J2 22 J223 J224 J225 J226 J227 J228 J229 J23 0 J231 J232 J233 J234 J235 J236 J237 J238 J241 J242 J243 J244 J248 J254 J265 J276 J2 88 0002 HA01922 jump 8mm 30 J24 J26 J57 J...

Page 22: ...18 RD00076 SMD fixed resistor 1 10W 330 5 0603 2 R359 R360 0019 RD00078 SMD fixed resistor 1 10W 470 5 0603 5 R351 R352 R356 R357 R358 0020 RD00347 SMD fixed resistor 1 10W 510 5 0603 1 R361 0021 RD00...

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Page 25: ...knob 35 11mm 534C 1 15 MG00041 screw M3 6 24 16 MG00061 screw M3 10 18 17 NI02836 LED lens 10 7 3mm AMX 140 1 18 ME00060 nut JY 6351G 02 250 24 19 MF00061 washer JY 6351G 02 250 24 20 MI01905 heat si...

Page 26: ...081 knob 10 5 18mm 15 11 NI02714 knob 10 13 5mm 5 12 NI00826 knob 12 18mm double color 6 13 HK00821 PC board P AMX 140FX DIP 1 14 NI02837 knob 35 11mm 534C 1 15 MG00041 screw M3 6 24 16 MG00061 screw...

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