Bose Powered Acoustimass 30 Service Manual page 48

INTEGRATED CIRCUITS
Audio Power Amplifier
P/N 170156 (TDA7294)
Amplifier PCB Assembly
U175, U275, U475, U575
EEPROM, 1KB
P/N 147536 (59C11)
Main PCB Assembly
U602
Pin Function
15 -Vs (Power)
14 Out
13 +Vs (Power)
12 N.C.
11 N.C.
10 Mute
9 Stand-by
8 -Vs (Signal)
7 +Vs (Signal)
6 Bootstrap
5 N.C.
4 SUR
3 Non-Inverting Input
2 Inverting Input
1 Stand-by GND
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