Philips BT2500B/W-00 - Circuit Diagram

4-1
Circuit Diagram
BT speaker
Firmware update
VR PCB
1
NC
2
GND
3
CE
4
FB
5
VDD
6
VDD.
7
LX
8
LX.
U3
ME2149S
L1
4.7UH
R10
180K
R11
75K
R12
27K_1%
R13
6.2k_1%
C11
104
C12
104
1
NC.
2
PROG
3
GND.
4
VCC
5
BAT
6
CHRG2
7
CHRG1
8
NC
9
GND
U4
ATD6009
C13
106
C14
106
+6V8
LED1
R14
1.2K
R15
2.7K
3
AUX
2
BT
1
4
OFF
SW2-A
7
AUX
6
BT
5
8
OFF
SW2-B
BT+
BT-
R19
1K
R20
1K
R21
22K
C18
102
IN
+
-
21
MIC
E
B
C
Q3
8050
R33
680R
LED2
SD
G
Q5
2302
R38
1K
R39
22K
R40
1K
C27
102
R42
1K
E
B
C
Q7
8050
R43
100K
R34
NC
E
B
C
Q9
8050
E
B
C
Q10
8050
R48
100K
R50
100K
C28
104
R49
100K
R51
100K
E
B
C
Q12
8050
R52
100K
R53
100K
R54
1K
R55
1K
D9
4148
D10
SS24
D4
SS24
12
FUSE
1
GND
2
ID
3
DP
4
DM
5
POWER
USB1
DC IN:5V/1.2A
BAT1
3.7V/750mA
L
R
GND
+5V
C42
104
C31
106
R68
2K
R30
2K
C24
334
C26
473
C29
473
R28
1K
R29
1K
C22
475
C33
220P
R27
2K
C23
475
C21
106
R31
10K
R32
NC
R37
100K
R47
100K
C34
225
MIC+
MIC-
G
S
D
Q15
ST2341
G
S D
Q8
2301
G
S D
Q6
2301
R44
0R
R70
1M
R75
100K
C54
470uF/10V
C55
104
C17
104
C64
226
C65
226
E
B
C
Q11
8050
E
B
C
Q13
8050
D1
SS24
1
2
3
4
5
6
PHONE1
EJ325D6U0BB3-69T
outin
2
1
3
U6
IT7536
D2
4148
IN''
0UT'
GND1
C25
106
RX
TX
P20
ADAP
GND3
E
B
C
Q16
8550
R35
1K
R81
10K
USB_VDD
USB_GND
1
2
3
CON1
NPC3
1
2
3
VR1
IN'
OUT
GND2
1
2
3
CON2
NPC3
12 34
SW1
TC-1312I
VCC
C66
106
C68
106
C69
106
C70
106
E
B
C
Q17
8050
R90
1K
R83
10K
E
B
C
Q18
8050
R85
100K
R86
1.2K
R87
1K
R36
47K
D6
4148
C72
105
1 2
3
Q20
BAT54C
FB1
0R
FB2
0R
FB3
0R
FB4
FB120
FB5
FB120
R89
1K
1
CODEC_VIN
2
VDD_IO
3
SCL
4
SDA
5
ADAP_IN
6
GND1
7
BAT_IN
8
SYS_PWR
9
BK
10
SK1
11
ON/OFF
12
LED1
13
LED2
14
P24
15
PA_EN
16
P02
17
FWD
18
REV
19
TXD
20
RXD
21
V-
22
V+
23
P03
24
GND2
25
RF
26
GND3
27
LINE_IN-DET
28
USB_ID
29
SLIDE_DET
30
NFC
31
BUZZER
32
EAN
33
AOHPM
34
SPKR
35
SPKL
36
MIC_P
37
MIC_N
38
MIC_BIAS
39
AIR
40
AIL
41
GND4
42
RSTN
BT1
FW3717
MONO_ANT
R95
47K
E
B
C
Q4
8550
R41
10R
R88
100K
C75
104
R97
0R
BK-OUT
BAT_BT
inout
3
1
2
U7
LN6206
R45
10K
E
B
C
Q2
8050
R46
10K
R78
5K1
R79
15K
R2
100K
R16
15K
C44
105
E
B
C
Q14
8050
R17
10K
R57
10R
R61
10K
C76
NC
R64
100K
C84
22P
C85
22P
C86
22P
C87
22P
C88
22P
C67
100uF/16V
12
C91
100UF
C92
22P
C93
22P
D3
4148
C94
226
R69
NC
R76
NC
BT_AUDIO
BT_AUDIO
P02
P16
RST-N
BK-0UT
MFB
RST-N
VDD-IO
P00
MFB
+5V
+5V
USB_VDD
AUDIO
P20
UART-TX
UART-RX
ADAP-IN-IC
BK-0UT
BAT_IN
SYS-POWER
POWER
VCC
SYS-POWER
VDD-IO
ADAP-IN-IC
BAT_IN
BAT_IN
SYS-POWER
P16
UART-TX
UART-RX
P20 P00
P02
VDD-IO
BT/AUX
BT/AUX
STBY
MUTE
AUX
AUX
DET
DET
AUX_IN
AUX_INA