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1
J6
XX
RF_CON_SMA
0R
1 RF
C308
GND
2
GND
3
TP5
$$$12699
D
I2C CON TO: DAC1,DAC2,ADC,DSP
R299 4.7K
DAC_3.3V
R297 4.7K
1 GPIO4/UART0_CTS
I2C_SCL
R294 10R
2 GPIO1/UAR0_TX
I2C_SDA
R318 10K
PLAY_KEY
3 GPIO2/UART0_RTS
R293 10R
4 GND
VDD_FEM
5 VDD_FEM
R331
6 BOOT_SEL
BOOST_SEL
10R
7 GPIO7/PROM_SCL
8 GPIO8/PROM_SDA
9 GND1
10 GPIO16/I2S0_LR
LINK_KEY
R314 10K
VOL-_KEY
11 GPIO17/I2S0_DI
R315 10K
C
12 GPIO15/I2S0_SCLK
BT_KEY
R316 10K
VOL+_KEY
13 GPIO18/I2S0_DO
FB45
BT_3.3V
R317 10K
14 VBAT
FB600
15 VCHG
FB44
16 GND2
NC
17 VDD33
VREG_EN
R290
1K
18 PWR
1K
R283
RST
19 RST
TP19
20 NC
21 GPIO_L_4/LCD_CSB
DSP_PD
1K
R304
22 AIO
POWER_OFF_READY
1K
R289
23 GPIO_L_14/LCD_D6
$$$3384
24 GPIO_L_11/LCD_D3
B
J9
$$$12699
1
$$$3384
2
$$$3217
3
$$$31154
4
TP4
$$$2793
$$$3217
5
CON_DIP_05
J7
R242
BT_3.3V
4.7K
CON_DIP_05
R241 4.7K
TP12
BT_3.3V
1
TP11
BOOST_SEL
2
TP10
GPIO14
3
TP8
GPIO13
4
TP9
5
I2C CON TO: BAT,AW9523,BQ24773
A
V5
V4
V3
V2
V1
PROTOTYPE-A3
YMJ
2017.3.14
ISS
CHANGE RECORDS
DATE
REVISER
1
CONFIDENTIAL UNDER NDA
2
VREG_EN
J8
CON_DIP_05
1K
R295
AUX_DET
BT_3.3V
R296
0R
ADC_EN
Change TO 0R
63
GND4
R284
10R
62
I2S1_LR
R286
61
10R
I2S1_DI
R287
10R
60
I2S1_DO
R288
59
10R
I2S1_SCLK
58
GPIO_L_2/SD_DETECT
U6
57
USB_VBUS
56
BT_MODULE_JX268_V1.0
USB_DN
55
USB_DP
54
USB_ID
53
USBVCCA33
52
GND3
51
NC6
50
NC5
49
MICLN
48
MICLP
47
MBIAS
46
AGND
45
NC4
44
NC3
43
NC2
42
NC1
R308
1K
GPIO11/SPI_DO
41
R301
GPIO12/SPI_CLK
40
R300
$$$2793
TP2
24VIN
$$$31154
TP3
2
3
LRCK46
LRCK45
LRCK
ADC_DOUT
BT_SDIN2
BCLK
R281
10R
USB5V
R279
10R
D-
R280
10R
D+
LRCK43
U25
1
3
VOUT
VIN
LP3986
POWER_ON_OFF
1K
AMP_MUTE
1K
AMP_SDZ
R224
VREG_EN
R226
BT_STATUS
POW_ON
STB_3V3
SC1
FB600
5
1 GND
NC
FB35
2
VBAT
IN
3
4
NC
OUT
STB_3V3
TLV70433DBV
3
4
FB37
U10
SYS_5V
FB600
1 VIN
5
VOUT
2
GND
3
4
FB
EN
DAC_POW_EN
LP3981
U19
FB38
3
VIN
VOUT
SYS_5V
FB600
LP3986
FB43
U26
SYS_5V
FB600
1 VIN
5
VOUT
2
GND
3
4
FB
EN
FEM_LDO_EN
LP3981
24VIN
FB34
12 GPIO
1
VDD
U3
33R
11 GPIO
2
GPI
SLG4V4826V
1K
10 GPIO
3
GPIO
IC_STQFN-14
R215 1K
9 GPIO
4
R220
GPIO
8 GND
5
GPIO
R172
2.2K1%
R61
33K1%
10K1%
0
R55
NC
R210
R197
MODEL:XXX
BoomBox II
TITLE:Schematic
BT
REV: V1.0
Part NO:NA
APPROVAL
4
5
LRCK42
DAC_3.3V
D
LRCK41
1
BT_3.3V
VDD_FEM
C
• • ••
LRCK19
LRCK44
B
FB600
STB_3V3
1K
R217
POW_KEY
R246
1K
DC_BIAS
1.5K
POWER_ON_OFF
R218
1K
POWER_OFF_READY
D38
NC
A
A
SCALE: FREE
SHEET: 1/4
CHECKED
DESIGN
Luosj
YangMJ
2019.6.14
5
From No.:FM-QMP005-13
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