7
Item Description Part
Number
Qty.
Note
1
PCB ASSY, MAIN
280109-01
1
6
2 BRACKET,
METAL,
IC
271859
1 6
3
HEATSINK, EXTRUDED, COMP 3
271856
1
6
4 CLIP,
THERMAL,
THERMISTOR
272964-001 1 6
5
HEAT SPREADER, ALUM
279844-001
1
6
6
SCREW, TAPP, 6-13x.625, PAN, XRC/S
172783-10
4
7
CONN, SWITCH, POWER, 3P
273115-001
1
6
8
PCB ASSY, PS, 120V, US
PCB ASSY, PS, 100V, JAPAN
PCB ASSY, PS, 240V, EURO
307872-011
307872-022
307872-033
1
1
1
4
4
4
*Capacitor C7 on the new power supply board may need to be replaced, see Service Bulletin 271885-B4
Figure 2. Amplifier Module Assembly
1
2
3
4
5
6
8
7
