Classe Audio CAV-180, Service Manual

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PRO-SVR_LEGACY Page 11 of 13
Updates
1. On board B2E2X, replace R1 with Classe part number 3299X-1-202 (5 PCBs).
2. On board B02AX, replace R113 and R103 with following assembly. Use Classe part number A307-1078.
Connect the resistor assembly to the exterior pads of R113 and R103.
3. On board B2E7X, disconnect the ground wire and connect it to position GND7 on B2E3X PCB.
4. On board B2E2X (5 PCBs), make sure that Q1 and Q2 are part number 2SK79 and 2SK216. They
should be mounted on a small aluminium block, which is mounted to the chassis (see following pics). If
they are printed as ECX10N20 and ECX10P20, replace them, using the following guide.
Parts needed: G213-1029, Mosfet, x5; G213-1031, Mosfet, x5; G307-1078, Silpad, x10; 385-288, Screw,
x10; A306-1048, Lock washer, x10; MS-15795-803, Washer, x20; A306-1020, Shoulder washer, x10;
L252XR00, aluminium spacer, x10