资料介绍
BC358239A 双声道耳机电路GND_OUT FEED_IN
VUSB 2u2 C15
GND
RUFA
ANTENNA
D+ DVBUS ID GND
USB_mini
+1V8 1 3
P3 P2 P1 P4 P5
GND GND TP40 TP38
VIN
U1
CE
R19 27R R20 27R
GND
GND
2
GND
R3
TP39
2R2
VOUT
GND TP24 47n C10
5
TP44
GND
R41
100n C5
L9 L8 F9 K7 B1
C31
4u7
R21 150k R22 220k
GND
C1
2u2
GND
150k
4
VBAT U4
BAT
GND
10n
C16
3 GND
GND
VDD_USB AIO[2] RF_ANT
L10
+1V8
2
RESET
VCCCHRG
USB_D+ USB_D-
GND
PROG
TP1
GND
C4
10n
1
TP33 5
R23
VBAT
10k 56 R24 1k 1% R27
TP32 CHG_B GND MIC-INPUT TP34 R+ R15n L+ LTP29
K2
VDD_RADIO RF_BAL VDD_LO VDD_ANA VDD_PADS VDD_PIO REG_IN
E3 F1 J2 L5 E11 A3 L7
GND
VBAT
C7
GND GND 2u2
4u7
C17 +1V8 C2
SW1
ON
P1
1
1
U2
P2
A1 K1 J1 D2 E2 F3 G1 G2 G3 H3 C9 C6 F10 A2 D9 E10 K10 C5 K4 BAL_MATCH VSS_RF1 VSS_RF2 RF_IN VSS_RADIO1 VSS_RADIO2 VSS_