Bose Companion 3 - Revision History

29
Date Revision
Level
Description of Change Change Driven By Pages
Affected
10/03 00 Document released at revision
00
Service Manual
Release
All
5/05 01 Later version part numbers
added to Manual
Change to Main
Board, Power board
and Am
p
lifier board
.
All
5/05 02 Part number change to F1 on
Power board.
Bill of Material
chan
g
e at the factor
y
18,28,29
6/05 03 Deletion of part numbers:
277574-001 Main Board US
later version
280109-001 Main Board
EURO
.
Part number 271861-
1 should be used for
the main board for all
Regions
6
6/05 04 Part numbers for C7 and J5
added to include Overseas
p
art numbers.
17
9/05 05 Bass Module part number
changed because of
manufacturin
g
location.
17
11/05 06 Added part numbers for the
Japan and Euro rear labels
Part numbers
became available
5
3/06 07 Changed part list notes on
page 4. Note number 6 now
refers to – part is for
informational use onl
y
.
4,6
4/07
6/07
08
08
Main board part number
271861-1 replaced by 280109-
01.
New part number for power
supply board –
307872-011 – 120V
307872-022 – 100V
307872-033 – 240V
Part number change
271861-1 replaced
by 280109-01
Power supply
redesigned.
6
6
8/07 09 Part number changes
Mod Assembly
307876-011- 120V
307876-022- 100V
307876-033- 240V
Control Pod
307874-001
Improved power
supply and Control
pod.
5, 7
3/12/08 10 Added fuse part number
298780-3150
Two versions of the
Power PCB, need
two versions of the
fuse.
18
6/15/09 11 Added transformer part
number
Service Center
re
q
uest
6
1/7/10 11 Changed part number 178321-
08 to 178321-04
ECN 46966 8
SERVICE MANUAL REVISION HISTORY