Part List Notes; Amplifier (See Figures 1, 2 And 3) - Bose BUILT-INvisible TA-1 Service Manual

1. This part is not normally available from Customer Service. Approval from the Field Service
Manager is required before ordering.
2. The individual parts located on the PCBs are listed in the Electrical Part List.
3. 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.
Digital BUILT-INvisible
Item
Number
1 SCREW, MACH, PH, X-REC, 8-32, .4375
2 SCREW, MACH, PH, X-REC, 10-32, 1.75L
3 WASHER, AN970-3, OD=.875, ID=.203, T=.062
4 XFMR, TOROID, 120V, 60Hz
5 PCB ASSY, DSP
6 PCB ASSY, INPUT/OUTPUT
7 SCREW, MACH, FH, X-REC, BLACK, 4-40, .375
8 CHASSIS, BACKPLATE, DBIS
9 CABLE ASSY, J701 AMP TO J22 I/O, 15 WIRE
10 CABLE ASSY, J700 AMP TO J8 DSP, 18 WIRE
11 SCREW, MACH, PH, X-REC, 8-32,.375
12 CLAMP, TENSION, HEATSINK
13 STANDOFF, .375 HEX, .375 HIGH, M-F, 8-32
14 PCB ASSY, AMPLIFIER
15 TAPE, INSUL, THERM COND, 6.625 L X1.0 W X
.010 T, T500
16 HEATSINK, ENCLOSURE
17 PLUG, LOCKING, 180D, .200, P0S=3,
SERIAL I/O, TV SENSE
18 PLUG, LOCKING, 180D, .200, P0S=4,
MUS CNTR IN, FRONT OUT, SURR OUT
19 PLUG, LOCKING, 180D, .200, P0S=5,
MUS AUD IN, VID AUD IN, IR IN
20 SCREW, MACH, FH, X-REC, BLACK, M4X12
21 PAD, SUPPORT, FOAM
22 PLUG, LOCKING, 180D, .200, P0S=2,
CENTER, BASS OUTPUT

PART LIST NOTES

MAIN PART LIST
®

Amplifier (see Figures 1, 2 and 3)

Description
31
Part Number Qty
256439-07 9
189265-028 1
256436 1
256454 1
256432 1
256442 1
256438-06 1
256452 1
256461 1
256463 1
256439-06 2
256455 1
256456-06 2
256422 1
256457 2
256453 1
172930-3 2
172930-4 3
172930-5 3
256437-12 4
256440 1
172930-2 2
Note
3
3