7.
Block diagram – Wiring diagram 7.
7. Block diagram – Wiring diagram
P301
4/5pins
Plug
>
>
>
>
P300
Plug
>
>
>
>
<
>
>
8/8pins
AMPLIFIER
01
Plug
P300
>
>
<
>
>
>
>
8/8pins
W03
P103
Plug
>
>
3/3pins
Plug
P104
>
>
3/3pins
W04
04
LED
MAIN PCB
03
SMPS
02
P100
Plug
>
>
>
>
>
<
8/8pins
P2
Plug
>
>
>
>
>
<
8/8pins
W02
2/3pins
P1
Plug
>
>
W01
W05
Tweeter level
Woofer level
Power Link 1
Power Link 2
Line R/L
AC Inlet
Neutral
Live
Tweeter
Black
Red
Woofer
White
Purple
G
R
GND
R302
R312
PCB04, LED
PCB03, Main
PCB02,
SMPS
PCB01,
Amplifier
Autostart
HT On
1
2
Tweeter gain adjust
EQ
notch
4 kHz
EQ
notch
7 kHz
H. P. F
fc
3200 Hz
Tweeter
Protection
Limiter
H. P. F
fc
3200 Hz
Differential
Output
Tweeter
Tweeter
amp.
gain
20dB
ICE power
Woofer
amp.
gain
20dB
Woofer
MUTUAL EQ
750Hz
notch
1.35kHz
notch
2.4kHz
peak
ABL
L. P. F
fc
3560Hz
Filter PWB
L. P. F
fc
3560Hz
Differential
Output
Gain 12dB
Woofer
Gain adjust
1
2
Input amp.
DIN input
Input
select
AC in
+12V stby.
+/-12V
HT on
Block diagram
Wiring diagram
Summary of Contents for Beolab 4000 MKII 6642
Page 8: ...4 2 ...
Page 11: ...5 BeoLab 4000 MKII in service position Remove cables for speaker units ...
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Page 26: ...Bang Olufsen DK 7600 Struer Denmark Phone 45 96 84 11 22 Fax 45 97 85 39 11 3538061 03 07 ...