Classe Audio CAV-500 Service Manual Download Page 17 | Manualshive

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B1D3XR02.sch-1 - Thu Jul 26 16:27:07 2007

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Summary of Contents for CAV-500

Page 1: ...PRO SVR_LEGACY Page 1 of 13 Date August 20 2007 Model Number CAV 500 Class Audio Inc Subject Service manual Class Audio Inc 5070 Fran ois Cusson Lachine Qu bec Canada H8T1B3 www classeaudio com...

Page 2: ...ustments 9 Parts List 10 Updates 11 Fuses 12 Voltage Change 12 IR Interface Information 13 Schematics 14 The contents of this document as well as the files associated with it contain confidential info...

Page 3: ...t parts please contact your nearest service center always quoting the unit serial number North America Phone 978 664 2870 E mail classe bwgroupusa com Europe Phone 44 0 1903 221 700 E mail classe bwgr...

Page 4: ...PRO SVR_LEGACY Page 4 of 13 Block diagrams...

Page 5: ...within specifications return to the troubleshooting guide 7 Slowly raise voltage until you hear relays click this point is around 55Vac Recheck every supply 8 If one or more supply are not within spe...

Page 6: ...the technician will first need to identify and cure the cause of failure please report to troubleshooting guide When the cause has been identified disconnect the unit from the system including the AC...

Page 7: ...ail negative rail No output Check connexions Check output relays Check power supply circuits positive rail negative rail Check output transistors Unit turn into protection Check for smoked and or burn...

Page 8: ...ase Blown output transistors should be replaced by kits not individually These kits contains matched transistors for both rails of one channel When replacing blown output transistors you must also rep...

Page 9: ...t warm up for 15 minutes on idle 4 Adjust trimpot R104 to get a 5mV reading 5 Let the amplifier warm up for a 24 hours period with signal and load 6 Remove signal and load and reconnect the multimeter...

Page 10: ...n the board Parts Description Classe part number B1D9X Complete PCB negative sensor B1D9XR x B1DBX Complete PCB positive sensor B1DBXR x B02AX Complete PCB amplifier B02AXR x B1D1X Complete PCB heatsi...

Page 11: ...number A211 1308 6 On board B1D1X and B1D7X 5 PCBs replace R104 with Classe part number 3299X 1 202 7 On chassis install capacitors Classe part number A201 1162 on AC poles of the bridge rectifiers bo...

Page 12: ...the control board B1D5X Voltage Change EXTRA PRECAUTIONS SHOULD BE TAKEN WHEN REPAIRING MODIFYING OR TROUBLESHOOTING IN THE POWER SUPPLY AREA UNIT MUST BE DISCONNECT FROM MAIN SOURCE AND CAPACITORS MU...

Page 13: ...3 Turns on Amplifier 6 J3 J2 J1 J0 ADDRESS RC Button Auto ON Note X X X X 0 Amp1 No QC setting X X X Out 1 Amp2 No X X Out X 2 Amp3 No X X Out Out 3 Amp4 No X Out X X 4 Amp5 No X Out X Out 5 Amp6 No X...

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Page 17: ...B1D3XR02 sch 1 Thu Jul 26 16 27 07 2007...

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Page 23: ...B1D6XR01 sch 1 Thu Jul 26 16 35 18 2007...

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Page 26: ...B1D9XR02 sch 1 Thu Jul 26 16 25 14 2007...

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Page 28: ...B1DBXR02 sch 1 Thu Jul 26 16 24 55 2007...

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