Philips HTL4111B/12 Service Manual page 32

7-3
Front Control Board Circuit Diagram: Bluetooth
5
D
SYS_3V3
BT_3V3
FB22 FB22 500/200mA 500/200mA BT_3V3
FB24 FB24 500/200mA 500/200mA
STB_3V3
C
AMP_VCC
FB23 FB23 500/200mA 500/200mA BT _12V R229 R229 4.7K 4.7K
CE29 CE29
+ +
220uF/16V 220uF/16V
A A
B
D
A
5
4
BT_3V3
R218 R218 0 0
BT_RST
R219 R219 0 0
PIO9
R223 R223 0 0
PIO11
R224 R224 0 0
PIO12
R225 R225 0 0
PIO13
BT_3V3
TP2 TP2
D
BT_REFM
TM1 TM1
TM2 TM2
D
D
A A
C202 100pF/50V/NP0 C202 100pF/50V/NP0
C201 100pF/50V/NP0 C201 100pF/50V/NP0
A
4
3
TP1 TP1
R211 R211 0 0
BT_AUDIO_EN
BT_STATUS
D
BT_BM160 BT_BM160
U19 U19
1 48
AIO1 GND
2 47
AIO0 MIC_A_N R221 R221
3 46
NC/0 NC/0
RESET MIC_A_P
4 45
GND MIC_B_N
5 44
PIO9 MIC_B_P
6 43
PIO1 0 MIC_BIAS
7 42
PIO11 GND_S
8 41
PIO12 SPK_R_P
9 40
PIO13 SPK_R_N
10 39
PIO14 SPK_L_P
11 38
PIO15 SPK_L_N
12 37
GND GND
13 36
VDD LED0
14 35
VDD_USB LED1
15 34 BT_3V3
+1V8 VDD_CHG
16 33
GND GND
17 32
USB_DP VDD_BAT
18 31
USB_DN VRE_IN
D
BT_3V3
BT_3V1 BT_3V1
GND
GND1 GND1
MOSI
MOSI1 MOSI1
BT_CLK
BT_CLK1 BT_CLK1
MISO
MISO1 MISO1
CSB
CSB1 CSB1
D
3
7-3
2 1
R214 R214 47K 47K
2
2
U20A U20A
AS4558M AS4558M
C183 4.7uF/10V/Y5V C183 4.7uF/10V/Y5V R217 R217 15K 15K 3
+ +
1 C185 4.7uF/10V/Y5V C185 4.7uF/10V/Y5V
2
- -
C184 4.7uF/10V/Y5V C184 4.7uF/10V/Y5V R216 R216 15K 15K
R220 R220 47K 47K
BT_REFM R222 R222 47K 47K
BT _12V
5
C187 4.7uF/10V/Y5V C187 4.7uF/10V/Y5V R226 R226 15K 15K
+ +
7 C188 4.7uF/10V/Y5V C188 4.7uF/10V/Y5V
6
- -
C189 4.7uF/10V/Y5V C189 4.7uF/10V/Y5V R228 R228 15K 15K U20B U20B
AS4558M AS4558M
A
R231 R231 47K 47K
2 1
D
C
BT_R
BT_R
2
BT_L
BT_L 2
B
A