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