Fault Flow Chart - Bang & Olufsen BeoSound 4 2851 Service Manual

Fault flow chart

Instructions
Instructions before trouble shooting in the fault flow chart:
• In the following fault flow chart BeoSound 4 is named BS4.
• Never connect or disconnect a socket, when the power is turned on.
Disconnect the mains supply and wait minimum 30 seconds for the electrolytic
capacitors to discharge.
• When measuring voltages BS4 must be in CD mode,
When fault finding in CD use Bang & Olufsens test CD 363403 (SBC444A).
Fault flow chart 2.