Classe Audio CAV-500, Руководство по обслуживанию

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PRO-SVR_LEGACY Page 11 of 13
Updates
1. On board B1D5X, replace R108 with Classe part number A211-1344.
2. On board B1D5X, replace R203 with Classe part number A211-1360.
3. On board B1D5X, replace R202 with Classe part number A214-1011
4. On board B02AX (5 PCBs), replace R140 and R141 with Classe part number A211-1455
5. On board B1D4X, replace R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14 and R15 with
Classe part 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 (both).
8. On board B02AX, check C115 and C117 for damage and replace them if necessary with Classe part
number A201-1018.
9. On board B1D5X, replace PO11XR02 program with 040AR3 and drop rail sensor voltage from 500mV to
275mV
10. Replace shield wires with newer type.
11. Add jumper between ground point BR102 and ground point R112 on the solder side of board B1D5X.
Make it as short as possible to avoid hum and noise.