BOSE SD278591 00 2 Schematic
REF DES SA2 120V SA2 230V SA3 120V SA3 230V
C11 Not Used .15 uF Not Used .18 uF
C27 .39 Not Used .82 Not Used
R10 220 470 220 470
D6 12V 12V Not Used Not Used
D7 12V 12V Not Used Not Used
JP1 Used Used Not Used Not Used
JP2 Used Used Not Used Not Used
JP3 Used Used Not Used Not Used
JP4 Used Used Not Used Not Used
D152 Not Used Not Used Used Used
D153 Not Used Not Used Used Used
D252 Not Used Not Used Used Used
D253 Not Used Not Used Used Used
J4 Not Used Not Used Used Used
U2 Not Used Not Used Used Used
S1 5 Position 5 Position 7 Position 7 Position
Transformer PT271727 PT271790 PT271728 PT271792
R21 Not Used Not Used Used Used
COMPONENT VARIATION TABLE
Lifestyle® Stereo Amplifier
SA2/ SA3
PCB P/N: 278591 Rev. 00
Sheet 2 of 3
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