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AKÂI SERUicEmnnuni MIDI PRODUCTION CENTER MODEL 2000 MPC ★ SAFETY INSTRUCTIONS PRECAUTIONS DURING SERVICING SAFETY CHECK AFTER SERVICING 1 „ Parts identified by the A (*) symbol are critical for After servicing, make measurements of leakage-current safety. Replace them only with the parts number specified. or resistance in order to determine that exposed parts 2. In addition to safety, other parts and assemblies are are acceptably insulated from the supply circuit. specified for conformance with such regulations as The leakage-current measurement should be done be^ those applying to spurious radiation. These must also tween accessible metal parís (such as chassis, ground be replaced oniy with the specified replacements. terminal, microphone Jacks, signal input/output connectors, Examples; RF converters, tuner units, antenna selector etc.) and the earth ground through a resistor of 1500 switches, RF cables, noise blocking capacitors, ohms paralleled with a 0.15 \iF capacitor, under the unit's noise blocking filters, etc. normal working conditions. The leakage-current should 3. Use specified internal wiring. Note especially: be less than 0,5 mA rms AC. 1} Wires covered with PVC…