Bose ACOUSTIMASS 3 Service Manual page 38

Reference
Designator
J1
J2
J4
W1,4,12,34,35,47
W2,3,5-11,14-27,
29-33,36-42,45,
46,48,49
W1,3-46
Reference
Designator
K1
Z1
Z2
1. This part is critical for safety purposes. Failure to use a substitute replacement with the
same safety characteristics as the recommended replacement part might create
shock,fire,and/or other hazards.
2. These jumpers are used on the latest version of the Amplifier PCB,P/N 149374.
3. These jumpers are used on the original version of the Amplifier PCB,P/N 143627.
Connectors and Jumpers
Description
Connector-
Header,5 pole,
Med.Current
Connector-
Header,Rt.Angle,
15 pin
Connector-
Header,2 pole,
Med.Current,.156
Jumper-Chip,0805
Jumper-Chip
Jumper-Chip
Relays and Rectifiers
Description
Relay-DPST,TV-3
rated
Rectifier-Bridge,
Cut
Rectifier-Bridge,
Formed
NOTES
37
Part Number
133220-05
145305-15
133220-02
133627
124896
124896
Part Number
143622
112027
148950
See Note
2
2
3
See Note