Sony MEX-BT3800U - Bluetooth Audio System Manual de servicio - Página 32

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Sony MEX-BT3800U - Bluetooth Audio System Manual de servicio
MEX-BT38UW/BT3800U/BT3807U/BT3850U

4-11. SCHEMATIC DIAGRAM - KEY Section -

1
A
GND
1
USB_VBUS
2
GND
3
USB_GND
4
KEY_GND
5
B
USB_D+
6
AUX_LCH
7
USB_D-
8
KEY1
9
MAIN
BOARD
A
AUX_RCH
10
(4/4)
RE1
11
CN101
AUX_GND
12
(Page 30)
RE0
13
KEY0
14
LCD_CE
15
C
SIRCS
16
LCD_CLK
17
LCD_DATA
18
ILL_+B
19
PANEL(NOSE_SW)
20
D
E
VBUS-USB
CN902
D–
D+
GND-USB
F
JACK BOARD
FB902
G
FB901
J901
AUX
FB903
H
I
J
MEX-BT38UW/BT3800U/BT3807U/BT3850U
• See page 33 for IC Block Diagrams.
2
3
4
KEY BOARD
CN901
20P
C912
0.1
AUX_LCH
AUX_RCH
AUX_GND
CE
D910
MAZ8068GMLS0
CLK
D906
DATA
MAZ8180GMLS0
VDR907
VDR901
VDR900
R945
R946
L901
10
10
3
4
CN902
6P
1
2
5
6
R948
470
CL-197HB1E-D-T
W003
W005
AUX_RCH
R949
470
W001
W004
AUX_LCH
CL-197HB1E-D-T
W002
W006
AUX_GND
5
6
7
5
3
1
SCRL
DSPL
6
4
2
R962
R928
180
820
5
3
1
R920
PAUSE
S901
820
6
4
2
R929
1k
5
3
1
LED905
LED903
CL-197HB1E-D-T
CL-197HB1E-D-T
R921
MIC
(DISC SLOT INDICATOR)
S902
1k
SOURCE
OFF
6
4
2
R983
R989
R963
R930
680
560
180
1k
R922
S903
1k
R984
R990
680
560
SEEK +
R985
R991
1k
680
5
3
1
R923
S904
SHUF
1.2k
R899
MODE
470
6
4
2
LED907
R931
CL-197HB1E-D-T
1.2k
R900
(ILLUMINATION)
470
R924
S905
1.5k
SEEK –
5
3
1
REP
LED932
LED909
CL-197HB1E-D-T
CL-197HB1E-D-T
(ILLUMINATION)
(ILLUMINATION)
6
4
2
R925
S906
1.8k
R966
R932
180
1.5k
R942
LED934
470
CL-197HB1E-D-T
5
3
1
(ILLUMINATION)
R943
470
R926
ALBM +
S907
2.2k
ZAP
6
4
2
R967
R933
180
1.8k
LED914
LED919
LED910
CL-197HB1E-D-T
CL-197HB1E-D-T
SOURCE
OFF
SEEK +
MODE
5
3
1
R952
R958
470
470
ALBM -
R953
R959
6
4
2
470
470
R970
R934
LED912
LED921
180
2.2k
CL-197HB1E-D-T
LED916
BTM
SEEK –
CL-197HB1E-D-T
5
3
1
ZAP
AF/TA
1
6
4
2
5
R918
BTM
0
4
(BT3850U)
3
R971
R935
2
180
3.3k
RE901
R919
ROTARY
0
ENCODER
5
3
1
PUSH ENTER/
BLUETOOTH
R999
SELECT/
10
(VOLUME)
6
4
2
32
32
8
9
10
R907
150
IC902
R905
R906
100
S[4]
150
2.6
REMOTE CONTROL
49
RECEIVER
S[3]
2.6
50
IC902
COM[4]
2.6
RS-470
51
5.1
1
2
COM[3]
2.6
VCC
GND1
52
5
3
4
COM[2]
2.6
GND2
OUT
53
COM[1]
2.6
54
S[2]
2.6
55
5.1
56
C902
0.1
3.4
57
R904
C903
1.8
1M
0.1
58
C901
0.1
6
59
S[1]
2.6
60
2.6
61
CE
R915
100
0.3
D902
62
MAZ8051GMLS0
CLK
R916
100
3.2
63
C906
C904
DATA
R917
100
3.1
0.1
0.47
5
64
C911
C909
100p
100p
C910
100p
LED901
NESW505CT-AST
(LCD BACK LIGHT)
R908
220
R909
220
4
R910
220
Q901
RT1N140C-TP-1
0.3
LED DRIVE
R911
5.1
1.2k
3
R998
0
2
R914
0
1
R974
1.5k
LED924, 925, 928, 929
(RING ILLUMINATION)
R975
1.2k
CAT
(BT3800U: AEP, UK/BT3807U)
R976
PTY
1.5k
R977
1.8k
0.3
5.1
Q907
RT1N140C-TP-1
LED DRIVE
BT
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
LCD901 LIQUID CRYSTAL DISPLAY
Note: Refer to the servicing notes "NOTE FOR REPLACEMENT OF THE USB CONNECTOR
(CN902)" (See page 5), if replacing the Ref. No. CN902.
11
12
13
IC B/D
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
S[21]
2.6
32
SEG4
SEG21
S[22]
2.6
31
SEG3
SEG22
2.6
S[23]
COM4
SEG23
30
2.6
S[24]
COM3
SEG24
29
2.6
S[25]
COM2
SEG25
28
2.6
S[26]
COM1
SEG26
27
IC901
2.6
S[27]
SEG2
SEG27
26
2.6
S[28]
VDD
LIQUID CRYSTAL DISPLAY DRIVER
SEG28
25
2.6
S[29]
IC901
24
VDD1
SEG29
LC75829PWH-US-H
2.6
S[30]
23
VDD2
SEG30
S[31]
2.6
22
VSS
SEG31
S[32]
2.6
21
SEG52
SEG32
S[33]
2.6
20
INH
SEG33
2.6
S[34]
LCD_CE
SEG34
19
BACK-LIGHT
2.6
S[35]
LCD_CLK
SEG35
18
2.6
S[36]
LCD_DATA
SEG36
17
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1