Harman Kardon ONYX - Page 13

HK Onyx Block Diagram 3.0
AUX IN
L/R
AMP TPA3116
2X15W@THD=1%
4ohm
ADC+DAC+DSP
AK7742
15W 4
AMP TPA3116
2X15W@THD=1%
4ohm
SWITCH
I2S-2
15W
x
4
4ohm
THD+N 1%
A
di
ADC检测
4ohm
CP 2 0C
I2C
I2S_BT
I2C
I2S
SN74CBTLV3257PWR
TOUCH
Cy8c20334
A
u
di
o
Detect
CP
2
.
0C
MCU
Bluetooth
BM153
I2C
POWER
VOL+/-
SOURCE
AP I2S
I2S_BT
I2C
I2C
13*LED
PWM
UART
MCU
STM32F105
BM153
LED DRIVE
BU26507
Airplay
CX870-3IB
SPI
USB
D+,D-
I2S
USB SWITCH
D+,D-
I2C
CP 2.0C
5V FOR USB 2.1A
EUP3484S
I2C
19V For AMP
19V 3A
Battery
Ch
G5725A
SWITCH
1.2V FOR AIRPLAY 267mA
Ch
arger
BQ24617
DC-DC
boost
LM3478+
MOS
G5725A
LDO
AS1117
1.9V FOR AIRPLAY 167mA
3.3V FOR
AIRPLAY 167mA
switch
I/O
AS1117
DC-DC
EUP3482A
Rechargea
ble
Battery Li-Ion
11.1V/2500mAH
DSP_3V3 140mA
SW
AP2305
MCU_3V3 &BT_3V3 80mA
Touch_3V3
3mA
SW
AP2305
6-1 6-1
Harman Kardon
ONYX Service Manual
Page 13 of 34