MEX-BT3700U, MEX-BT3750U - Sony Car Audio Service Manual (repair manual). Page 8

Read Sony MEX-BT3700U / MEX-BT3750U Service Manual online

MEX-BT3700U/BT3750U
MEX-BT3700U/BT3750U
8
8
MAIN
8
BOARD
(3/4)
MAIN
BOARD
MAIN
BOARD
6
4
(2/4)
(2/4)
2
(1/4)
BOARD
MAIN
0
0
3.3
0
0
0
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
1.6
3.3
3.3
3.3
1.6
0
0
0
0
3.3
0
0.2
3.3
3.3
3.3
3.3
3.3
0
0
0
0
1.6
1.7
1.5
3.2
3.1
0.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
0
0
0
0
0
3.2
0
0
0
0
0
0
0
1.5
1.7
3.3
1.8
0
0
0
3.3
3.3
3.3
3.3
3.3
0
0
0
0.8
0.9
3.2
3.2
3.2
0
1.6
3.2
3.2
2.5
3.2
0.7
1.6
2.5
3.1
3.2
43
29
470
R104
100k
R590
100k
R520
JL051
MA2J1110GLS0
D114
I2C_SCK
1000p
C110
470
R536
R58
10k
470
R534
100k
R552
48
1
C101
JL045
4.7k
R519
C60
0.01
0.01
C515
FB566
470
R103
33
100k
R539
0
R60
100k
R571
10k
R59
100k
R522
16V
220
C112
100k
R578
1000p
C514
R543
100k
0
R412
100
R529
44
10k
R528
100
R533
R541
100k
1
C102
ISA1235AC1TP-1EF
Q52
C54
0.1
4700p
C104
470
R535
JL055
C52
15p
21
C59
0.1
JL054
0
R570
10uH
L110
27p
C505
R54
10
0
R567
4.7
C111
BAT54ALT1G
D400
C55
0.1
32.768kHz
X502
10k
R530
32
JL046
R50
0
31
R56
100k
46
0.01
C506
1
C507
100k
R551
38
100k
R521
100k
R504
100
R547
10k
R514
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
20P
CN101
GND
USB_VBUS
GND
USB_GND
KEY_GND
USB_D+
AUX_LCH
USB_D-
KEY1
AUX_RCH
RE1
AUX_GND
RE0
KEY0
LCD_CE
SIRCS
LCD_CLK
LCD_DATA
ILL+9V
PANEL(NOSE_SW)
18
MA2J1110GLS0
D111
JL050
100k
R558
4700p
C103
S101
RESET
53
R546
100k
100
R540
100
R557
7.92MHz
X501
100k
R565
23
C50
100p
R51
0
0.01
C510
FB105
0.01
C508
R55
10
MA2J1110GLS0
D112
100
R525
RDS_OUT
8.664MHz
X50
JL057
R542
100k
4.7k
R560
1000p
C512
0
R100
12k
R101
JL047
20
100k
R502
100
R515
R112
10
16V
C61
47
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
TDA7333013TR
IC50
VDDA
REF3
REF2
REF1
VSS
TM
VDDD
RESET
XTI
XTO
I2C_SCK
I2C_SIO
SA
CSN
INTN
MPX
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
IC501
MB90F883AHPF-G-102E1
BT_PLAY
BT_FR
BT_FF
BT_POWER_CTRL
BT_STATUS0
BT_STATUS1
BT_STATUS2
BT_STATUS3
XBT_RESET
BT_MFUNC
BT_OPRPOW
BT_STATUS_POW
X_OUT
X_IN
VCC
VSS
C
BT_TEST2
BT_TEST1
XNOSE_SW
XDOOR_SW
I2C_SIO
I2C_SCK
DOOR_IND
CYRIL_SEL
RE_IN0
RE_IN1
AREA_SEL2
AREA_SEL1
AREA_SEL0
B_OUT
_SEL
AVCC
AVRH
XRC_IN1
AVSS
SA_IN
VSM
TU_ATT
KEY_IN1
KEY_IN0
RC_IN0
XEXT_ATT_XEN
WAKE_UP
VSS
XKEY_ACK0
XKEY_ACK1
DAVN
LCD_CE
LCD_SO
LCD_SCK
XMD2
MD1
MD0
XRESET
UNISI
UNISO
UNSCK
RDS_ON
MC_RX
MC_TX
XTEST_IN
Z_MUTE
XILL_IN
ATT
VCC
VSS
BU_CHECK
AMP_STB
XDIAG
EJECT_OK
SA_OUT
SA_CLK
F_AUX
BT_ATT_XEN
VBUS_ON
XUSB_OVR
FLASH_EN0
FLASH_EN1
USB_ON
DD_ON
TEL_ATT
XACC_IN
XBUS_ON
CD_ON
CDM_ON
XSYS_RST
BT_MIC_POW
XBT_MIC_SEL
BT_MIC_DET
VCC
VSS
OSC_OUT
OSC_IN
BT_MUTE
SIRCS
BT_INT_HF
BT_CVC
ZAPPIN_BEEP
SYNC_OUT
BEEP
40
1000p
C509
1
2
3
3P
CN110
D+(USB)
D-(USB)
GND(USB)
42
100k
R517
100k
R537
C57
0.1
22
52
0
R568
100
R505
MAZ8180GMLS0
D102
17
30
37
C51
100p
41
470
R579
100k
R511
FB50
100
R513
100k
R526
330
R110
R57
1k
FB53
27p
C504
100k
R553
12k
R102
19
LRB751V-40T1G
D505
VSM
JL053
1000p
C511
100k
R538
4.7k
R556
MA2J1110GLS0
D113
10
R111
S502
I2C_SIO
D117
UDZS-TE17-6.8B
4.7k
R518
4.7k
R555
C58
0.1
100k
R550
0.01
C513
C53
15p
1000p
C105
FB52
C56
0.1
FB51
MAZ8068GMLS0
D120
100
R527
100p
C62
51
34
R503
100k
100k
R572
220k
R561
100
R531
10k
R532
0
R569
100k
R585
49
54
10k
R516
R544
100k
R559
100k
47
45
BT_MUTE
BT_INT
ACC_IN
BT_CVC
NOSE_SW
CDM_ON
MC_RX
UNISI
MC_TX
NOSE_SW
RE0
VSM
UNISCK
I2C_SIO
SIRCS
RE1
I2C_SCK
ILL_IN
SYN_OUT
CD_ON
TEL_ATT
UNISO
BT_ON
I2C_SCK
I2C_SIO
DAVN
DAVN
VSM
RDS_ON
USB_ON
DD_ON
USB_OVR
VBUS_ON
EJECT_OK
BU_CHECK
Z_MUTE
LCD_DATA
LCD_CE
LCD_CLK
WAKE_UP
RC0
RC1
KEY0
KEY1
BT_TE1
BT_FR
BT_ST2
BT_TE2
BT_POW
BT_RST
BT_ST1
BT_PLAY
BT_FF
BT_ST3
BT_ST0
BT_OP
BT_MF
SYS_RST
RE1
LCD_CLK
KEY1
SIRCS
LCD_CE
LCD_DATA
KEY0
RE0
LCD_+9V
BUS_ON
SYS_RST
LCD_+9V
RDS_ON
BT3750U
RDS DECODER
IC50
SYSTEM CONTROLLER
IC501
(4/4)
MAIN BOARD
B+ SWITCH
(CHASSIS)
(BT3700U: AEP, UK)
(BT3750U: E, MX, IND)
(BT3700U: US, CND)
BT3700U: US, CND/
BT3750U
BT3700U/
BT3750U: EA
(BT3750U)
(BT3700U)
(BT3700U: AEP, UK)
J
4
B
16
6
9
11
D
N
15
H
L
10
K
17
3
5
12
C
F
18
M
1
19
E
8
G
20
14
A
2
13
I
7
FREQUENCY
BT3700U: AEP, UK/
SELECT
9k
10k
Refer to page
31 on original
service manual
Refer to page
33 on original
service manual
A
BOARD
KEY
BOARD
(2/2)
SERVO
TO
CN901
2-6.  SCHEMATIC  DIAGRAM  - MAIN Board (4/4) -
(Page 
5)
(Page 
6)
(Page 7)
(Page 6)
Page of 16
Display

Click on the first or last page to see other MEX-BT3700U / MEX-BT3750U service manuals if exist.