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Sony MEX-BT38UW - Bt Slot Usb 1wire サービスマニュアル
MEX-BT38UW/BT3800U/BT3807U/BT3850U
4-9.

SCHEMATIC DIAGRAM - MAIN Section (4/4) -

1
2
3
A
MAIN BOARD
(4/4)
B
17
18
19
C
2
MAIN
BOARD
(1/4)
20
(Page
27)
D
21
22
23
R412
0
SYS_RST
E
D400
LBAT54ALT1G
F
29
TEL_ATT
R521
100k
ACC_IN
G
BUS_ON
CD_ON
CDM_ON
R572
100k
R571
100k
SYS_RST
30
31
R590
100k
32
H
R579
470
X501
7.92MHz
R567
0
D505
LRB751V-40T1G
I
FB566
2
J
4
MAIN
BOARD
(2/4)
(Page
28)
K
33
L
M
C515
0.01
L110
10uH
N
34
MEX-BT38UW/BT3800U/BT3807U/BT3850U
• See page 24 for Waveforms.
4
5
6
7
C514
1000p
R556
R555
4.7k
4.7k
R558
100k
R585
100k
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
R520
100k
0
81
TEL_ATT
0
82
XACC_IN
0
83
XBUS_ON
0
84
CD_ON
3.3
85
CDM_ON
3.3
86
XSYS_RST
0
87
BT_MIC_POW
3.3
88
XBT_MIC_SEL
IC501
0.2
89
BT_MIC_DET
3.3
SYSTEM CONTROLLER
90
VCC
IC501
MB90F058PF-G-111-JNE1
91
VSS
1.7
92
OSC_OUT
1.5
93
OSC_IN
3.3
94
BT_MUTE
3.3
95
SIRCS
R565
0
96
BT_INT_HF
100k
0
97
BT_CVC
0
98
ZAPPIN_BEEP
1.6
99
SYNC_OUT
0
100
BEEP
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
(BT3807U)
1
R545
100k
X502
R501
32.768kHz
100k
BT38UW/
R578
C504
C505
BT3800U/
100k
27p
27p
BT3850U
C506
C507
0.01
1
• See page 37 for IC Pin Function Description.
8
9
10
11
12
R549
C513
0.01
100
S101
R540
100
RESET
R539
100k
R538
100k
R548
100
R537
100k
59
58
57
56
55
54
53
52
51
R536
R570
470
0
3.2
LCD_SCK
50
R535
470
R569
0
3.1
LCD_SO
49
0.3
R534
470
R568
0
LCD_CE
48
DAVN
47
3.3
C512
1000p
XKEY_ACK1
46
3.3
C511
1000p
XKEY_ACK0
45
R533
VSS
44
100
3.3
WAKE_UP
WAKE_UP
43
3.3
XEXT_ATT_XEN
42
R531
100
3.3
RC0
RC_IN0
41
3.3
R532
10k
R529
100
KEY_IN0
40
R530
10k
R527
100
3.3
KEY_IN1
39
R528
10k
TU_ATT
38
3.3
VSM
37
SA_IN
36
C510
AVSS
35
0.01
3.3
RC1
XRC_IN1
34
3.3
R525
R526
AVRH
33
100
100k
3.3
AVCC
32
0
B_OUT
31
BT38UW/
_SEL
R504
BT3800U/
100k
BT3807U
C509
1000p
R503
C508
100k
0.01
(BT3850U)
(BT3800U: AEP, UK/BT3807U)
R541
100k
S502
FREQUENCY
SELECT
9k
10k
R559
100k
(BT3850U: E)
BT38UW/BT3800U:
R543
US, CND/BT3807U
100k
BT3800U: AEP, UK/
R544
BT3850U
100k
R502
R546
R542
100k
100k
100k
BT38UW/
BT38UW/BT3800U:
BT3800U/
US, CND/BT3850U
BT3850U: EA
30
30
13
14
15
16
MAIN
(Page 29)
6
BOARD
(3/4)
I2C_SIO
I2C_SCK
C101
C102
1
1
R101
R102
12k
12k
FB105
R103
R104
470
470
C103
C104
4700p
4700p
0
3.3
Q597
RT1P141C-TP-1
3.3
INVERTER
D117
C105
UDZS-TE17-6.8B
1000p
LCD_+9V
LCD_CLK
LCD_DATA
LCD_CE
KEY0
KEY1
3.3
0
Q598
RT1N141C-TP-1
D112
D114
MA2J1110GLS0
RESET SWITCH
MA2J1110GLS0
R100
3.3
0
0
Q599
RT1N141C-TP-1
INVERTER
D113
MA2J1110GLS0
KEY1
RE1
RE0
R110
KEY0
330
LCD_CE
C112
SIRCS
220
16V
LCD_CLK
LCD_DATA
LCD_+9V
C111
4.7
NOSE_SW
D120
C110
MAZ8068GMLS0
1000p
17
18
19
8
I2C_SIO
I2C_SCK
MAIN
BOARD
VSM
(2/4)
(Page 28)
CN501
8P
JL050
1
RESET
JL051
2
CLK
JL052
3
NCO
JL053
4
RX
JL054
(NC)
5
TX
JL055
6
3.3V
JL056
7
F_WRITE
JL057
8
GND
D111
CN110
MA2J1110GLS0
3P
1
D+(USB)
SERVO
2
D-(USB)
BOARD
(2/2)
3
GND(USB)
CN101
20P
1
GND
JL047
2
USB_VBUS
JL046
3
GND
JL045
4
USB_GND
5
KEY_GND
R111
10
6
USB_D+
7
AUX_LCH
R112
10
8
USB_D-
A
9
KEY1
10
AUX_RCH
KEY
BOARD
11
RE1
CN901
12
AUX_GND
(Page
13
RE0
32)
14
KEY0
15
LCD_CE
16
SIRCS
17
LCD_CLK
18
LCD_DATA
19
ILL+9V
20
PANEL(NOSE_SW)
C122
D115
D116
0.1
(CHASSIS)