Bose L1 Pro32 Service Manual

25
MAIN-I/O PCB PARTS LIST
Integrated Circuit
Reference Designator Description Material Number Note
U1 IC, ADC, AUDIO, 4CH, TLV320ADC5140,
24WQFN
855431-0010
U10 IC, DAC, 24bit, 4CH, PCM4104, 48TQFP 855451-0010
U12 IC, SCHMITT TRIGGER, BUFR, SINGLE INPT,
5.5V
727321-0010
U13 IC, uC, CORTEX-M0, 256KB, 32F091,
100LQFP
852528-VCT6
U14 IC, V-DETECT, 2.93V, APX809S-29, SOT-23 856551-0010
U15A, U15B IC, ANALOG SWITCH, SPST, 16TSSOP,
DG411
852384-0010
U16 IC, VREG, SW, BUCK, 2AD, ADJ, 62084,
WSON8
791774-0020
U17 IC, VOLT REG CTRL, SW, N-CH, LM3486,
10VSSOP
855905-0010
U18 IC, DCDC CONV, BUCK, PWM, 1A, TSOT,
LV2843
842705-0010
U20,U23 IC,DCDC CONV,STEP DOWN,2A,28V,T-
PS54202H
842669-0010
U21 IC,VREG,LIN,POS,0.5A,15V,78M15C,DPAK 856494-0010
U22 IC,VREG,LIN,NEG,0.5A,15V,79M15C,DPAK 856495-0010
U26 IC,LOGIC,UHS BUFFER,DUAL,5V,SC70 763299-0010
U28 IC, RCVR, RS485/RS422, MAX3283E, SOT23-
6
855915-0083
U2A, U2B IC, OP AMP, DUAL, TL072 187619-001
U6 IC, LED DRIVER, RGB, 12BIT, 18-CH,
VQFN32
852362-0018
U7-U8, U11 IC, OP AMP, DUAL, LOW-NOI, NJM2068M-
TE2, DMP8
855835-01A2
U9, U25C, U25D, U3A,
U3B, U4A, U4B, U5A, U5B
IC, OP AMP, DUAL, NJM4580E-TE2, SOP8,
90DEG
855786-01A2

Bose L1 Pro32 Specifications

General

Coverage Pattern	180° H x 0° V
Bluetooth	Yes
Battery Life	Not applicable
Type	Portable Line Array System
Maximum SPL	126dB
System Power	2000W peak
Inputs	2 x XLR-1/4" combo
Outputs	XLR line output