Connections; Headphone - Bang & Olufsen BeoSound 9000 MKIII Service Manual

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Connections

Master Link
Power Link
Audio Aux Link
Headphones
Digital output CD
Mains
Power frequency
Power consumption Stand.by
Power consumption
Specifi cation guidelines for service use
Pin 1
Data-, -0.5 V ±0.2 V in relation to Data+
Pin 2
Data+, +0.5 V ±0.2 V in relation to Data-
Pin 3
ML connect > 3 V
Pin 4-6
+supply voltage, +7 V to +15 V
(in stand-by +3 V to +15 V)
Pin 7-10
Not used
Pin 11
-supply voltage, -7 V to -15 V
(in stand-by -2 V to -15 V)
Pin 12
+supply voltage, +7 V to +15 V
(in stand-by +3 V to +15 V)
Pin 13
Audio L- in/out, 2 V Bal, in relation to Audio L+,
Rin 4.4 MW, Rout 150 Ω
Pin 14
Audio L+ in/out, 2 V Bal, in relation to Audio L-,
Rin 4.4 MW, Rout 150 Ω
Pin 15
Audio R- in/out, 2 V Bal, in relation to Audio R+,
Rin 4.4 MW, Rout 150 Ω
Pin 16
Audio R+ in/out, 2 V Bal, in relation to Audio R-,
Rin 4.4 MW, Rout 150 Ω
Shield
GND
Pin 1
Power up (ON = >2.7 V -1mA)
Pin 2
Signal GND
Pin 3
Audio L out 0 V to 2 V RMS
Pin 4
Speaker ON (ON = >2.7 V -1 mA)
Pin 5
Audio R out 0 V to 2 V RMS
Pin 6
Datalink out (High = >4 V, Low = <0.2 V)
Pin 7
Data GND
Pin 8
PL+ ON
Pin 1
Audio L out 1 V RMS, Rout 1 kΩ
Pin 2
GND
Pin 3
Audio L in 0.25 V RMS to 2 V RMS, Rin 47 kΩ
Pin 4
Audio R out 1 V RMS, Rout 1 kΩ
Pin 5
Audio R in 0.25 V RMS to 2 V RMS, Rin 47 kΩ
Pin 6-7
Not used
Ø 3.5 mm, 220 W
AES / EBU
IEC 958
0.5Vpp, 75W, 1%
Cable included
Type 2571, 2572, 2577, 2580 – 230V AC
Type 2573, 2576 – 120V AC
Type 2574 – 100V AC
Type 2575 – 240V AC
50-60 Hz
Typical 1.0W
Typical 15W
1.3

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