Loewe REFERENCE 52 SL FHD+ 200 NMP Service Manual page 78

Steckerbelegung / Pin description Basicboard 70418.xxx
W1002
Netzspannung vom Schalter / Main power from switch
W1023 / W1027
Lautsprecher links / Loudspeaker left
W1018
1-1
U-5V
1-2
GND
1-3
GND
1-4
Uabst ~33V
1-5
7V
1-6
GND
2-1
5V (U5SB)
2-2 Basicboard -
ein / on 0V, aus / off 5V
2-3
GND
2-4 n.c.
2-5
3,3V
2-6
3,3V
2-7
5V (U5SB)
2-8
5V (U5SB)
2-9
GND
2-10
GND
2-11
24V
2-12
24V
2-13
12V
2-14
12V
2-15
GND
2-16 GND
2-17 Backlight -
ein/on High(3-5V), aus/off Low(0V)
2-18
GND
2-19
Dimming
2-20
Lüfter / Fan on / off
2-21
GND
2-22
GND
2-23
SPDIF
2-24
SPDIF
2-25
SDA
2-26
MUTE
2-27
SCL
2-28 RESET
2-29 GND
2-30
GND
W1025 / W1029
Lautsprecher rechts / Loudspeaker right
W1013
1
GND
2
GND
3
GND
4
GND
5
24V
6
24V
7
24V
8
24V
9
24V
W1017
1
Dimming
2
Backlight -
ein/on High(3-5V), aus/off Low(0V)
3
GND
4
GND
5
GND
6
GND
7
GND
8
24V
9
24V
10
24V
11 24V
12
24V
W1009
1
24V
2
24V
3
GND
4
GND
78