Bose L1 Pro8

32
POWER-AMP PCB PARTS LIST
Integrated Circuit (continued)
Reference Designator Description Material Number Note
U3 IC, VREG, SW, FLYBACK CNTRLR, HF500-30,
7PDIP
855588-0010
U4, U10 IC, LIN REG, ADJ, SHUNT, TL431, 1%, SOT23-
3
330361-1030
U7 IC, SW, CNTRLR, HALF-BRIDGE, HR1001A,
16SOIC
855754-0010
U9 IC, OP AMP, DUAL, LM358, 8SOIC 856447-0010
Miscellaneous
Reference Designator Description Material Number Note
CN1 CONN, HDR, 3.96mm C, 2P, 1R, P, TH, ST,
WHITE
847743-0020
F1 FUSE, 8A, 250V, SLO-BLO, 5x20mm, AXIAL 317834-083B 3
J1 CONN, HDR, 2.54mm C, 28P, 2R, P, TH, ST,
45.8H
847836-0028
J3 CONN, HDR, 2mm C, 2P, 1R, P, SMT, ST 847747-0020
J5, J7 CONN, HDR, 1.25mm C, 4P, 1R, P, SMT, ST 845374-0401
J6 CONN, HDR, 3.96mm C, 2P, 1R, P, TH, RA,
WHITE
847740-0020
J8 CONN, HDR, 3.96mm C, 4P, 1R, P, TH, RA,
WHITE
847740-0040
L1, L4 TRANSFORMER, CUSTOM, HTS-PQ26F 856524-0010 3
RT1 THERMISTOR, NTC, ICL, BULK, 20%, 10 ohm 856032-100MB 3
RT2 VARISTOR, METAL OXIDE, DIA 14mm,
300Vrms
856832-3000D 3
RT3-RT4 THERMISTOR, NTC, 0603, 3380K, 1%, 10K 855644-103F
T1 TRANSFORMER, CUSTOM, HTS-EEL25A 852657-0010 3
T2
TRANSFORMER, SWITCH, CUSTOM, HTS-
ER40F
852655-0010 3