KEF KIT100 Service Manual page 53

PSW PRE AMP PCB
U9: TDA7448
IN1
IN2
IN3
IN4
IN5
IN6
GND
CREF
V 1
S
IN1 2
IN3 3
IN5 4
OUT5 5
OUT3 6
OUT1 7
N.C. 8
SDA 9
SCL 10
2
VOLUME
50K
19
VOLUME
50K
3
VOLUME
50K
18
VOLUME
50K
4
VOLUME
50K
17
VOLUME
50K
11
SUPPLY
20
V
20 CREF
19 IN2
18 IN4
17 IN6
16 OUT6
15 OUT4
14 OUT2
13 N.C.
12 ADDR
11 GND
14
15
16
10
2
I C BUS
DECODER
12
1
S
- 53 -
7
OUT1
OUT2
6
OUT3
OUT4
5
OUT5
OUT6
SCL
9
SDA
ADDR