PRO-SVR_LEGACY Page 1 of 13 Date:July 17, 2007 Model Number: CAV-180Classé Audio Inc.Subject:Service manual Classé Audio, Inc. 5070 François C
PRO-SVR_LEGACY Page 10 of 13 Parts ListThis is not a detailed part list. It is a list of major chassis parts and PCBs. If you need to order a
PRO-SVR_LEGACY Page 11 of 13 Updates1. On board B2E2X, replace R1 with Classe part number 3299X-1-202 (5 PCBs). 2. On board B02AX, replace R11
PRO-SVR_LEGACY Page 12 of 13 FusesEXTRA PRECAUTIONS SHOULD BE TAKEN WHEN REPAIRING, MODIFYING, ORTROUBLESHOOTING IN THE POWER SUPPLY AREA. UNI
PRO-SVR_LEGACY Page 13 of 13 IR Interface InformationPress and hold: AMP + LINE 1 = Turns on Amplifier # 1 AMP + LINE 2 = Turns
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B2E3XR01.sch-1 - Tue Jul 17 12:00:38 2007
PRO-SVR_LEGACY Page 2 of 13 Table of ContentsIntroduction 3Important Notes on Servicing 3Ordering Replacement Parts 3Block Diagrams 4Start up Pr
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PRO-SVR_LEGACY Page 3 of 13 IntroductionPlease read this manual carefully before commencing servicing! Only qualified and authorized personnel
PRO-SVR_LEGACY Page 4 of 13 Block diagrams
PRO-SVR_LEGACY Page 5 of 13 Start Up ProcedureWhen receiving a unit, an assiduous visual inspection must be performed. Do not connect the unit
PRO-SVR_LEGACY Page 6 of 13 Protection Modes and IndicatorsThe front LED shows the status of the amplifier. When starting up normally, the CAV
PRO-SVR_LEGACY Page 7 of 13 Troubleshooting GuideSymptom Possible cause Unit won’t turn on Check connections; Check fuses; Check soft-start c
PRO-SVR_LEGACY Page 8 of 13 Output Transistors Testing and ReplacementPLEASE NOTE THAT THESE TESTS ARE ONLY EFFECTIVE ON BIPOLAR TRANSISTORS.
PRO-SVR_LEGACY Page 9 of 13 Calibrations and AdjustmentsBias adjustment: Note: Bias adjustment should be made without any load connected to th
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