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powersoft M-Drive, Service Manual

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16

M-Drive | SERVICE MANUAL

INDEX

9. Main Board Disassembly:

By means of a PH1 Phillips Head screwdriver, screw all 19 screws highlighted in purple.
Remove the nut marked orange with a M5 socketed hex screwdriver.
Gently lift the board.

10. SilPad Replacement:

IS000036 38x23mm

IS000060 52x30mm

IS000060 IS000060

IS000060

IS000060

IS000036

IS000036

IS000036

IS000036

IS000040

IS000040

Always replace all silpads once the service procedure has been ultimated.
Cut the IS000040 SilPad with a pair of sharp scissors.

IS000040 18x30mm

Summary of Contents for M-Drive

Page 1: ...M Drive Service Manual Keep this manual for future reference 2016 Powersoft powersoft_MDrive_servman_en_v0 6...

Page 2: ...Intentionally left blank...

Page 3: ...to change without notice For the latest release please refer to the online version available on www powersoft audio com INDEX Tools 1 Testing Equipment 4 2 Removing the Module s Cover 5 3 Main Board...

Page 4: ...NOT INCLUDED IpalMod Pressure Sensor CB000589 R DigiMod Mains DC Cable CB000684 R DigiMod PFC2 PFC4 MDRIVE PSU AUX Voltage Cable 1 Testing Equipment KT000291 Interface Board KT000193 IpalMod Interface...

Page 5: ...unclipping it from the retaining brackets Fig 1 Fig 2 Using a PH1 Phillips Head Screwdriver unscrew all 8 screws highlighted on Fig 2 Note that one of the screws could be hidden underneath the label G...

Page 6: ...PL2 connector on the module and replicate the connections on the portrayed External Power Supply Slowly increase the output voltage on the power supply to 12Vdc and 12Vdc Fig 5 Check the absorption f...

Page 7: ...7 M Drive SERVICE MANUAL INDEX 5 00 V 10us 5 00 V 10us 5 00 V 10us 5 00 V 10us Channel 1 Channel 2 5 00 V 10us 5 00 V 10us 40Vpp 48KHz 10Vpp 48KHz 1Vpp 48KHz 40Vpp 48KHz 10Vpp 48KHz 1Vpp 48KHz...

Page 8: ...tween the two points Fig 6 Fig 7 Unplug one end of both fuses and check for continuity on the points highlighted on Fig 7 by probing with a multimeter set to Ohm There should be continuity between the...

Page 9: ...SOLID ON No pressure sensor connected BLINKING RED LIMIT Limiter active SOLID ON GREEN SIGNAL Input signal present SOLID ON GREEN E SAVE SOLID OFF YELLOW TEMP Thermal protection active SOLID ON GREEN...

Page 10: ...should fall to 217 mA CAUTION the inrush current may rise up to 3 15 Apeak A Function generator is needed in order to test the module s Output Stage since the module is DC powered and operates without...

Page 11: ...on the module s DSP Board Complete the rest of the connection between the DPC Board and the module s DSP Board Connect the module to the KT000291 Interface Setup PAY EXTRA ATTENTION WHEN USING THE KT0...

Page 12: ...hted on Fig 12 12Vdc 12Vdc 10 12Vdc 12Vdc 10 5Vdc 5Vdc 5 With a multimeter set to V check the tensions on the KT000291 Interface board by probing on the points highlighted on Fig 13 TEMPMON 1 2 1 75Vd...

Page 13: ...Voltages in AC With Load Connect the Function Generator to the module s DPC Board Fig 15 Turn the potentiometer completely clockwise Feed the module with a 50Hz 8 32 Burst Sine Wave 1 Vrms 0 dBV 2 21...

Page 14: ...tage to 120 VAC Genate a signal 0 1 Vrms 100 Hz Connect an oscilloscope to the CH1 output and confront the resulting wave Repeat the operation with the remaining Channel Once this tests are carried ou...

Page 15: ...CT OFF LED Configuration at Startup Color Label LED Status Green PRESET OFF Green ON SOLID ON Green READY SOLID ON Yellow TEMP OFF Green ESAVE OFF Green SIGNAL OFF Red LIMIT OFF Red PROTECT OFF LED Co...

Page 16: ...screwdriver Gently lift the board 10 SilPad Replacement IS000036 38x23mm IS000060 52x30mm I S 0 0 0 0 6 0 I S 0 0 0 0 6 0 I S 0 0 0 0 6 0 I S 0 0 0 0 6 0 I S 0 0 0 0 3 6 I S 0 0 0 0 3 6 I S 0 0 0 0 3...

Page 17: ...AL INDEX 11 Known Issues Excessive Gain on the Output stage Symptom low input signals yelding to 6dB gain on the output stage Check R1011 R2011 marked blue in the picture below with a multimeter the r...

Page 18: ...order to obtain the latest firmware version Install the RS485 driver Connect the DPC Interface to the module Connect the module to the PC by means of the PC000096 adapter and the CB000214 cable Set th...

Page 19: ...are Update Procedure is completed Select the bin file available on the restricted area Select the module to be updated Click on the right arrow Wait for the Red Text to disappear approx 3 minutes Once...

Page 20: ...set pop up disappears Click on the EQ Window Click on Load Click on Find Amplifiers Verify that the RED LED on the RS485 is blinking Set up the working area in the same manner described in the FirmWar...

Page 21: ...00851 R KIT M DRIVE PSU __FOR REPAIR KT000852 R KIT M DRIVE AMP 1CH __FOR REPAIR Part Number Description Quantity IS000036 GAP PAD 3000S30 38x23mm 4 IS000040 GAP PAD Ultra Soft 18x30mm 1 IS000060 GAP...

Page 22: ...t be Worn Observe precaution for handling Electrostatic Discharge sensitive devices Safety precautions We recommend to follow all precautions stated by the law while handling sensitive electrical comp...

Page 23: ...Intentionally left blank...

Page 24: ...le on www powersoft audio com Powersoft S p A Via Enrico Conti 5 50018 Scandicci FI Italy Tel 39 055 735 0230 Fax 39 055 735 6235 General inquiries info powersoft it Sales sales powersoft it Applicati...

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