Bose L1 Pro16 Service Manual

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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
U13 IC, uC, CORTEX-M0, 256KB, 32F091,
100LQFP
852528-VCT6
U14 IC, V-DETECT, 2.93V, APX809S-29, SOT-23 856551-0010
3
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,1 A, TSOT,
LV2843
842705-0010
U20, U23 IC, DCDC CONV, STEP DOWN, 2A, 28V,
TPS54202H
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 Pro16 Specifications

General

Amplifier class	D
Frequency range	- Hz
RMS rated power	1250 W
Subwoofer peak power	1000 W
Sound pressure level (max)	124 dB
Amplifier	Built-in
Speaker type	-
Number of drivers	16
Built-in subwoofer	Yes
Subwoofer driver diameter (imperial)	18 \
Type	Freestanding Public Address (PA) system
Mounting type	Floor
Product color	Black
Volume control	Rotary
Number of mixer channels	3 channels
Connectivity technology	Wired & Wireless
6.35 mm (1⁄4-inch) input	1
Power source type	AC

Weight and Dimensions

Depth	456 mm
Width	355 mm
Height	2012 mm
Weight	24800 g