BANG&OLUFSEN BeoVision 4-50USMKIII
Manual de Servicio

1.4

How to service, English

Troubleshooting
Before troubleshooting is started Please ask the customer to demonstrate or explain the fault. Check that The product is set for the correct option All leads are connected correctly Mains voltage is applied All external sources are connected correctly and the product setup is correct Set up for test Connect the following products to establish the setup for test, The BeoVision 4, a BeoSystem 1 and a DVD player.

BeoVision 4

DVD player BeoSystem 1

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Default settings when using the Fault flow chart - Press TV on Beo4 - Select a TV channel with picture and sound Service mode on PDP If BeoVision 4 is connected to BeoSystem 1 please unplug the SERIAL connector (RS232). Otherwise it is not possible to enter the service mode. Switch off the PDP by pressing the A button. Be sure that there is no light coming from the LED. Wait 10 seconds. Switch on the PDP. The LED should be green.