MEX-BT31PW/BT3100P/BT3100U/BT3150U/BT3153U
MEX-BT31PW/BT3100P/BT3100U/BT3150U/BT3153U
35
35
5-6. SCHEMATIC DIAGRAM - MAIN Section (3/5) -
• See page 42 for Waveforms. • See page 42 for IC Block Diagrams. • See page 44 for IC Pin Function Description.
Note 1:
When the BT board is defective, exchange
the complete mounted board.
Note 2:
When IC501 is replaced, the destination setting is necessary. Refer to “NOTE THE
MAIN BOARD OR SYSTEM CONTROLLER (IC501) REPLACING” on page 4.
2.9
0
3.3
3.3
<0>
<3.3>
3.3
3.3
<3.3>
<3.3>
3.3
3.3
3.3
3.3
0
0
3.3
3.3
0
3.3
0
3.3
0
1.3
1.4
3.3
1.6
1.4
3.3
3.3
<3.3>
3.3
3.3
3.3
3.3
0.8
3.3
2.3
2.5
3.3
<0>
<0>
0
3.3
3.3
0
0
0
0
0
3.3
3.3
0
6
1.5
0
3.3
0
0.9
3.3
10.3
5
14.4
3.3
5
0.9
5
0.8
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
100k
R545
0
R543
100k
R536
10M
R541
220k
R542
1000p
C502
100
R525
100
R524
100
R523
1000p
C512
1000p
C514
0.01
C523
0.01
C522
100k
R576
1k
R517
1k
R518
0
R561
0
R562
2.2k
R556
2.2k
R557
47p
C521
47p
C520
R584
100k
CL003
CL004
0
R548
R544
1M
100k
R560
FB501
JL001
100k
R577
JL008
0
R555
0
R864
1
C1301
100
R1301
0
R1314
0.1
C1310
22p
C507
R506
220k
100k
R1302
39k
R1311
0.01
C1307
32.768kHz
X502
2.2
C1308
0.01
C1312
0.01
C1309
0.01
C513
22
C1305
IC1300
OZ539IGN-A1-0-TR
22
C1315
16V
C1311
100
82k
R1307
82k
R1308
680p
C1306
0.047
C518
10k
R1312
100
R552
100k
R550
100k
R567
0.022
C1325
0.1
C1320
DC_DC
100k
R531
470
R535
100
R563
USB1_ON
0
R587
CL005
100
R510
100
R511
0
R790
G_HOST_GND
JL500
0
FB1301
33k
R522
33k
R521
0
R590
USB_OVER
R101
0
33k
R582
30k
R583
4.7k
R505
100k
R580
100k
R581
100k
R554
100k
R575
100k
R502
10k
R579
10k
R578
0.1
C504
CL002
R507
100k
100k
R540
JL501
JL502
100
R595
100
R573
RB751V40,1
15
D530
DB2X41400L
D1300
0
R553
R1315
10k
150k
R1313
10k
R1305
C1318
1000p
47uH
L1301
0.1
C106
X501
7.92MHz
1
2
1
C510
R1300
1k
1k
R1320
C509
8p
C511
8p
47
C1304
10k
R514
100k
R588
10k
R515
10k
R516
47p
C1326
22p
C508
1
C1316
100k
R1316
JL007
JL006
JL005
JL004
JL003
JL002
BEEP
KEY0
EN_SYS
BU_IN
MC_TX
A_A
TT
CD_XRST
DSP_1_5V
SSTBY
DSP_RST
EJECT
LOAD
XM_PWREN
XM_RX
XM_TX
GHOST_ON
MC_RX
SYNC
RESET
RCIN1
RE1
RE0
GHOST_RST
IN_SW
DOWNLD_DET
D_SW
I2C_SDA
EN_SYS
RCIN0
KEY1
SIRCS
NOSE_SW
SYNC
SELF
BU_IN
I2C_SCL
STB
DIAG
ACC
DC/DC CONVERTER
IC1300
MAIN BOARD (3/5)
14
11
15
13
16
12
18
20
21
22
23
24
25
27
26
89
BUS3
BUS4
BUS2
(BT31PW/BT3100U/BT3150U/BT3153U)
I
6
H
15
1
C
12
K
13
5
F
16
8
2
B
D
G
11
10
E
17
J
9
A
4
3
7
14
22 GND
21 GND
20 GND
19 GND
18 MUTE
17 RESET
16 BT_MIC_PWR
15 AUDIO_GND
14 RCH_N
13 RCH_P
12 LCH_P
11 LCH_N
RCH_N
RCH_P
LCH_P
LCH_N
10 NC
9
BT_RX
8
BT_TX
7
BT_RTS
6
BT_CTS
5
BT_POWER
BT_RST
BT_RX
BT_TX
BT_RTS
BT_CTS
BT_POWER
4
D_GND
3
VCC
2
D_GND
1
MIC_DET
BT_MIC_DET
0
R200
BT
BOARD
R107
0
88
0
R201
0
R203
R100
0
MIC1
MIC IN
MJ1
BT31PW/BT3100U/
BT3150U/BT3153U