3.8 Fault flow chart
Fault symptom:
No sound from BeoMaster 5
Possible causes, defective:
W2, SPDIF cable
PCB51, ML-PL
PCB01, Motherboard
PCB04, Power Supply
On PCB51, ML-PL
confirm by LED*:
+3V3_ATX,
+5V_ATX,
OK?
Disconnect BM5 from the mains.
Connect a pair of B&O speakers to BM5 and
reconnect to the mains. Await for the start-up
procedure to finish, and activate N.Music.
Does the connected speaker turn on?
Replace PCB51,
ML-PL
Replace PCB51,
ML-PL
Check W2, SPDIF
cable
OK?
Replace W2, SPDIF
cable
Replace PCB51,
ML-PL
OK?
Replace PCB01,
Motherboard
No
Yes
*Measuring points
PCB51
GND
+3.3V
+12V
+5V
+5V
Voltage
Содержание BeoSound 5
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Страница 82: ...Bang Olufsen DK 7600 Struer Denmark Phone 45 96 84 11 22 Fax 45 97 85 39 11 10 08 ...