BANG&OLUFSEN TYPE 8480
Service Manual

8.1

Test after repair

#8 Test after repair
Mount the cover. Fasten all screws. - Mount the cover. Fasten all screws. See 9.1 Removing and mounting the cover for further information. Check line cable condition - Check the line cable and antenna cable(s) for cracks and abrasions. Recommend the replacement of any such cable to the customer. Perform an AC leakage test Check the antenna terminals and other exposed metal parts for AC leakage. - Remove the line cable from the AC source (the wall outlet). - Place a jumper across the two AC plug prongs. - Use a multi-meter, set for measurements in the Ohm-area. - Place one lead from the multi-meter on the AC plug and place the other lead on each of the exposed metal parts, that is antenna connections and other exposed metal parts on the rear panel of the BeoSystem 1. - The resistance during these measurements must be of 1 Mega Ohm or more. If resistance is below 1 Mega Ohm, this indicates an abnormal situation and corrective actions must be taken. Please note: Avoid any skin contact either with the AC plug nor the metal parts while performing the test, as it may in�uence the measurement. Reconnect all leads - Reconnect all leads to BeoSystem 1, in the same way as before. Place BeoSystem 1 on its original place. Switch on the TV - Press TV to switch on the BeoSystem 1. Check all sources - Check that all sources, such as TV A, TV C, V. TAPE etc. works properly.