powersoft DigiMod 500 Service Manual
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powersoft DigiMod 500 Service Manual

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6/24/02
DigiMod 500
DigiMod 1000
DigiMod 1500
DigiMod 2000HV
DigiMod 1000NPS
Service Manual
COD: MAN-DGM-SERVICE_MAN_V 1.3-EN
MAR 2007
1

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Summary of Contents for powersoft DigiMod 500

  • Page 1 6/24/02 DigiMod 500 DigiMod 1000 DigiMod 1500 DigiMod 2000HV DigiMod 1000NPS Service Manual COD: MAN-DGM-SERVICE_MAN_V 1.3-EN MAR 2007...

  • Page 2: Table Of Contents

    WE RECOMMEND THAT THE SERVICE OPERATIONS ARE DONE BY A TECHNICIAN.IN THE CORRECT WAY DESCRIBED IN THIS GUIDE. CAUTION RISK OF ELECTRIC SHOCK Powersoft S.r.l. P.I.04644200489 Via Conti 5, 50018 Scandicci (FI) Tel. 055 7350230 Fax 055 7356235 Web: www.powersoft-audio.com Email: support.audio@powersoft.it...

  • Page 3: Troubleshooting

    Troubleshooting DigiMod 500/1000/1500/2000HV Powersoft S.r.l. P.I.04644200489 Via Conti 5, 50018 Scandicci (FI) Tel. 055 7350230 Fax 055 7356235 Web: www.powersoft-audio.com Email: support.audio@powersoft.it...
  • Page 4 Troubleshooting DigiMod 1000NPS Powersoft S.r.l. P.I.04644200489 Via Conti 5, 50018 Scandicci (FI) Tel. 055 7350230 Fax 055 7356235 Web: www.powersoft-audio.com Email: support.audio@powersoft.it...

  • Page 5: Removal Of The Main Pcb

    1- Unscrew and remove the 2 spacers of the Control Board. 2- Unscrew the 6 screws of both the upper lateral sides of the DigiMod. Powersoft S.r.l. P.I.04644200489 Via Conti 5, 50018 Scandicci (FI) Tel. 055 7350230 Fax 055 7356235 Web: www.powersoft-audio.com...
  • Page 6 3- Remove the upper cover and unplug the fan connector inserted in the main PCB. 4- Remove all the lateral screws and then remove the spring clips. Powersoft S.r.l. P.I.04644200489 Via Conti 5, 50018 Scandicci (FI) Tel. 055 7350230 Fax 055 7356235 Web: www.powersoft-audio.com...
  • Page 7 After having repaired the DigiMod it is recommended to replace the silpads with new ones. This instructions are similar for the DigiMod 1000NPS. Powersoft S.r.l. P.I.04644200489 Via Conti 5, 50018 Scandicci (FI) Tel. 055 7350230 Fax 055 7356235 Web: www.powersoft-audio.com...

  • Page 8: Assembly Outlines

    Assembly outlines DigiMod 500/1000/1500/2000HV Assembly outline DGMMAIN17 Powersoft S.r.l. P.I.04644200489 Via Conti 5, 50018 Scandicci (FI) Tel. 055 7350230 Fax 055 7356235 Web: www.powersoft-audio.com Email: support.audio@powersoft.it...
  • Page 9 Assembly outlines DigiMod 500/1000/1500/2000HV Assembly outline DGMMAIN19 Powersoft S.r.l. P.I.04644200489 Via Conti 5, 50018 Scandicci (FI) Tel. 055 7350230 Fax 055 7356235 Web: www.powersoft-audio.com Email: support.audio@powersoft.it...
  • Page 10 Assembly outlines DigiMod 1000NPS Assembly outline DGMNPSMAIN11 Powersoft S.r.l. P.I.04644200489 Via Conti 5, 50018 Scandicci (FI) Tel. 055 7350230 Fax 055 7356235 Web: www.powersoft-audio.com Email: support.audio@powersoft.it...

  • Page 11: Replacement Of The Control Board (Cb)

    2- Move the two clasps that block the Control Board. 3- Replace the Control Board with a new one. 4- Reinsert and screw the two spacers. Powersoft S.r.l. P.I.04644200489 Via Conti 5, 50018 Scandicci (FI) Tel. 055 7350230 Fax 055 7356235 Web: www.powersoft-audio.com Email: support.audio@powersoft.it...

  • Page 12: Check Of The Mosfets Short Circuit

    +Vcc or -Vcc. Then check which of the two channels has at least one mosfet with the drain- source junction in short circuit. Powersoft S.r.l. P.I.04644200489 Via Conti 5, 50018 Scandicci (FI) Tel. 055 7350230 Fax 055 7356235 Web: www.powersoft-audio.com...
  • Page 13 OUT-2 of the output phoenix connector, and the other ones on +Vcc or -Vcc. Then check which of the two channels has at least one mosfet with the drain-source junction in short circuit. Powersoft S.r.l. P.I.04644200489 Via Conti 5, 50018 Scandicci (FI) Tel. 055 7350230 Fax 055 7356235 Web: www.powersoft-audio.com Email: support.audio@powersoft.it...

  • Page 14: Failure Of The Ntc R10

    Component to be replaced Resistor NTC R10 After having replaced the resistor R10, put some silicon between R10, C137 and T1. Powersoft S.r.l. P.I.04644200489 Via Conti 5, 50018 Scandicci (FI) Tel. 055 7350230 Fax 055 7356235 Web: www.powersoft-audio.com Email: support.audio@powersoft.it...

  • Page 15: Failure Of The Ic U1

    Zener diodes D29, D30 (From DGMMAIN Version 19) Bipolar transistor Q8 (From DGMMAIN Version 19) Component to be checked Bridge rectifier D1 Powersoft S.r.l. P.I.04644200489 Via Conti 5, 50018 Scandicci (FI) Tel. 055 7350230 Fax 055 7356235 Web: www.powersoft-audio.com Email: support.audio@powersoft.it...

  • Page 16: Failure Of The Varistor Rv1

    Check if the capacitor from C24 to C29 are swells on the top IGBTs Q1 and Q2 (Ref. “Failure of IGBTs Q1 and Q2) Powersoft S.r.l. P.I.04644200489 Via Conti 5, 50018 Scandicci (FI) Tel. 055 7350230 Fax 055 7356235 Web: www.powersoft-audio.com...

  • Page 17: Failure Of The Igbts

    Zener diodes D29, D30 (From DGMMAIN Version 19) Bipolar transistor Q8 (From DGMMAIN Version 19) Diode D3 Fuse F1 Bridge rectifier D1 Powersoft S.r.l. P.I.04644200489 Via Conti 5, 50018 Scandicci (FI) Tel. 055 7350230 Fax 055 7356235 Web: www.powersoft-audio.com Email: support.audio@powersoft.it...

  • Page 18: Failure Of The Ch1 Output Mosfets

    Mosfet Q5 and Q6 Resistor R60 and R61 Integrated circuits U9 and U10 Components to be checked Diode D24 and D25 Powersoft S.r.l. P.I.04644200489 Via Conti 5, 50018 Scandicci (FI) Tel. 055 7350230 Fax 055 7356235 Web: www.powersoft-audio.com Email: support.audio@powersoft.it...

  • Page 19: Failure Of The Resistor R73

    Components to be checked Capacitor C67 Failure of the resistor R79 Components to be replaced Resistor R79 Components to be checked Capacitor C68 Powersoft S.r.l. P.I.04644200489 Via Conti 5, 50018 Scandicci (FI) Tel. 055 7350230 Fax 055 7356235 Web: www.powersoft-audio.com Email: support.audio@powersoft.it...

  • Page 20: Failure Of The Capacitors C51, C52, C53 And\Or C54

    Check if the capacitor from C51 to C54 are swells on the top. Change the capacitors if they are swells and check if the load impedance is inferior respect to the minimum nominal load. Powersoft S.r.l. P.I.04644200489 Via Conti 5, 50018 Scandicci (FI) Tel. 055 7350230 Fax 055 7356235 Web: www.powersoft-audio.com...

  • Page 21: Failure Of The Resistor R22

    Failure of the resistor R23 Due to an excessive current draw from -12Volt external circuits Component to be replaced Resistor R23 Powersoft S.r.l. P.I.04644200489 Via Conti 5, 50018 Scandicci (FI) Tel. 055 7350230 Fax 055 7356235 Web: www.powersoft-audio.com Email: support.audio@powersoft.it...

This manual is also suitable for:

Digimod 1000Digimod 1500Digimod 2000hvDigimod 1000nps

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