Sony XAV-7W Service Manual page 47

• IC Block Diagrams
– MAIN Board –
IC1 MC74LCX16244DTR2
48 47 46 45 44
1 2 3 4 5
IC7 TC74VHCT244AFT (EL)
20 19 18 17
1 2 3 4
IC8 NJM2246M
VIN1 1
CTL1 2
VIN2 3
CTL2 4
BIAS
43 42 41 40 39 38 37 36
6 7 8 9 10 11 12
16 15 14 13 12
5 6 7 8 9
8 GND
7 VOUT
6dB
6 V+
AMP
5 VIN3
35 34 33 32 31 30
13 14 15 16 17 18 19
11
10
IC11 TC74HC4538AFT (EL)
16 15 14
T2
T1
T1
T2
R
1 2 3
29 28 27 26 25
20 21 22 23 24
13 12 11 10 9
R A B
Q
Q
Q
Q
A B
4 5 6 7 8
XAV-7W
47