Read Sony HCD-LX50WMR Service Manual online
HCD-LX50WMR
HCD-LX50WMR
3
3
2-2. SCHEMATIC DIAGRAM - WM/USB Board (2/2) -
CD
K
CN202
BOARD
BOARD
CNS413
PANEL
A
BOARD
(3/3)
MAIN
L
BOARD
(1/2)
WM/USB
81
CNA283
(Refer to page
27 on original
service manual)
27 on original
service manual)
(Refer to page
25 on original
service manual)
25 on original
service manual)
(Refer to page
17 on original
service manual)
17 on original
service manual)
0
3.3
0
0
0
0
0
3.1
0.2
0.2
0.2
3.3
0.2
0.2
0.2
0.2
3.3
0
0
0
0
0
0
0
0
0.2
0.2
0.2
0.2
3.3
0.2
0.2
0.2
0.2
3.3
3.3
3.3
0
0
0
0
0
0
0
0
3.3
0
0
0
0
0
0
0
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
3.3
1.4
1.6
3.3
0
3.1
0
3.3
3.3
3.3
3.3
3.3
3.3
3.3
2.9
2.9
2.9
2.9
0
0
0
0
3.3
3.3
3.3
0
0
3.3
3.3
0
1.6
3.3
3.3
3.3
0
0
3.3
0
0
3.3
3.3
3.3
3.3
3.3
3.3
0
3.3
0
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
2.9
0
0
2.9
2.9
2.9
2.9
2.9
2.9
2.9
0
0
3.3
2.9
2.9
2.9
2.9
2.9
2.9
3.3
2.9
2.9
3.3
3.3
3.3
3.3
3.3
3.3
3.3
0
0
0
0
3.3
3.3
3.3
3.3
3.3
20.1
5.2
1
3.1
0.2
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
TC74VHC157FT(EKJ)
IC914
SELECT
1A
1B
1Y
2A
2B
2Y
GND
3Y
3B
3A
4Y
4B
4A
ST
VCC
14
13
12
11
10
9
8
7
123456
TC74HC4066AFT(EL)
IC912
1I/O
1O/I
2O/I
2I/O
2C
3C
GND
3I/O
3O/I
4O/I
4I/O
4C
1C
VCC
10k
R990
14
13
12
11
10
9
8
7
123456
TC74HC4066AFT(EL)
IC909
1I/O
1O/I
2O/I
2I/O
2C
3C
GND
3I/O
3O/I
4O/I
4I/O
4C
1C
VCC
10k
R989
0.1
C950
0.1
C941
0.1
C928
22p
C934
0
R956
16V
10
C947
16V
10
C940
100
R948
0.1
C951
0.1
C952
4.7k
R982
16V
10
C944
0.1
C956
10k
R949
0.1
C937
0
R938
0.1
C942
4.7k
R973
4.7k
R985
0.1
C948
4.7k
R979
4.7k
R976
0
R946
1
44
43
42
41
40
39
38
2
3
4
5
6
7
37
36
35
34
33
8
9
10
11
12
32
31
30
29
28
27
13
14
15
16
17
18
19
26
25
24
23
20
21
22
IS61LV6416-10TLT
IC915
A15
A14
A13
A12
A11
CE
I/O0
I/O1
I/O2
I/O3
VDD
GND
I/O4
I/O5
I/O6
I/O7
WE
A10
A9
A8
A7
NC
NC
A6
A5
A4
A3
NC
I/O8
I/O9
I/O10
I/O11
VDD
GND
I/O12
I/O13
I/O14
I/O15
LB
UB
OE
A2
A1
A0
0.1
C930
0.1
C931
0
R955
100
R932
100
R933
100
R952
100
R934
100
R935
100
R951
R958
10k
R942
4.7k
R944
4.7k
R943
22p
C933
100k
R975
100k
R978
100k
R981
100k
R984
10k
R954
10k
R953
2SC3052EF-T1-LEF
Q901
100
R974
100
R980
100
R977
100
R972
100
R983
100
R970
TP916
TP917
TP919
TP921
TP922
TP923
TP924
TP925
TP927
TP926
TP928
TP929
TP930
TP918
TP933
TP934
TP935
TP936
TP937
TP938
TP939
TP940
TP941
TP942
TP949
TP950
TP951
TP952
TP953
TP954
TP955
TP963
TP966
TP965
TP964
TP968
JL906
JL907
JL908
JL909
JL905
R959
10k
100k
R961
C935
10p
9MHz
X900
0.1
C929
0.1
C954
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
IC911
USB-RST
I-USB-DI
INT1
INT2
INT3
DVCC3B
XT1
XT2
PWE
DVSS1B
DVCC1B
RVOUT1
RVIN
RVIN
RVOUT2
DVCC1A
DVSS1A
D0
D1
D2
D3
D4
D5
D6
D7
DVSS
DVCC3A
D8
D9
D10
D11
D12
D13
D14
D15
A0
A1
A2
A3
A4
A5
A6
A7
DVSS
DVCC3A
A8
A9
A10
A11
A12
A13
A14
A15
A16
BUS0-U
BUS1-U
BUS2-U
BUS3-U
BUCK-U
CCE-U
A23
DVSS
DVCC3A
RD
SRWR
SRLLB
SRLUB
TA0IN
BOOT
SRAM-CS
LRCK
AM1
X2
DVSS
X1
DVCC3A
USBOC
USBPON
D+
D-
AM0
X1USB
DVSS
O-USB-DO
DATA
CLK
O-USB-SO
I-USB-SI
SPCLK
SO0
SI0
BCK
A-IN
GATE
DVCC3A
REQ-U
ST-REQ
PG1
PG0
DVSS
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
27P
CN906
AVDD(3.3V)
ROUT
DAC_GND
LOUT
AGND
RST
BUS0
BUS1
BUS2
BUS2
BUCK
CCE
REQ
SBSY
DGND
D_OUT
DVDD (3.3V)
VM (7V)
MGND
M_MUTE
LRCK-IN
BCK-IN
A-IN
ST_REQ
GATE
CLK
DATA
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
27P
CN907
SEL1
USB-DO
USB-DI
USB-SO
USB-SI
NC
USB-RST
M_MUTE
MGND
VM (7V)
DVDD (3.3V)
D_OUT
DGND
SBSY
REQ
CCE
BUCK
BUS3
BUS2
BUS1
BUS0
RST
AGND
LOUT
DAC_GND
ROUT
AVDD (3.3V)
TP967
TP969
FB911
FB912
0.1
C963
100k
R931
10k
R930
R1030
10k
L902
100uH
R1028
4.7k
R1029
39k
C960
35V
100
R1027
1k
1
2 FIN 4
5
BD9703FP-E2
IC916
VCC
OUT
GND
INV
STBY
FB913
FB910
15k
R926
15k
R927
27
R929
27
R928
0
R1014
0
R921
C959
1
10V
C964
100
L903
47uH
C958
1
100k
R1034
1
2
CN911
2P
DGND
+VH
CL919
CL920
RB160M-30TR
D908
4.7k
R971
47
R994
47
R995
47
R996
47
R997
47
R998
47
R999
47
R1000
47
R1001
47
R1006
47
R1007
47
R1008
47
R1009
47
R1010
47
R1011
47
R1012
47
R1013
100
R1015
100
R1016
100
R1017
100
R1018
100
R1019
100
R1020
100
R1021
100
R1022
100
R1023
100
R1024
100
R1025
100
R1026
100
R1032
100
R1033
100k
R1031
10k
R945
A1
3.3V
A2
A3
A4
A5
A6
WM_VBUSON
3.3V
A7
A8
BUS2-Z
BUS1
BUS0
CCE-U
BUS0-U
BUS1-U
BUS2-U
CCE-Z
BUS3-U
REQ
D7
A7
D6
LB
A8
UB
A1
OE
A13
A9
A4
A5
A14
A5
A8
WR
SRAM-CS
A4
A12
A13
BCK
A3
REQ-U
A14
A15
D5
A16
GATE
A2
D4
A9
D3
A12
A10
A1
D2
A11
SIGN516
A7
D1
A11
D0
A15
A6
A3
A2
DATA
A10
A6
LRCK
CLK
I-USB-DI
I-USB-SI-RXD
ST-REQ
USB-RST
A-IN
O-USB-DO
A16
D8
D9
D10
D11
D12
D13
D15
D14
BUS3
BUS2
BUCK-Z
LRCK
BUS0-Z
BUS1-Z
BUS2-Z
BUS3-Z
BUCK-Z
CCE-Z
REQ-Z
BUS3-U
BUS0-U
BUS2-U
BUS1-U
BUCK-U
CCE-U
BUS0
BUS1
BUS2
BUS3
BUCK
CCE
UB
LB
WR
USB-RST
REQ-U
BUS3-Z
BUCK-U
D8
D9
D10
D11
D12
D13
D14
D15
D7
D6
D5
D4
D3
D2
D1
D0
I-USB-DI
GATE
CLK
DATA
BCK
A-IN
ST-REQ
O-USB-DO
REQ
I-USB-SI-RXD
BUS1-Z
BUS0-Z
REQ-Z
SEL-U
BUCK
CCE
O-USB-SO-TXD
SRAM-CS
RD
O-USB-SO-TXD
SEL-U
C965
10
92CD28AFG-7AC9(M
IC916
+5V REGULATOR
IC914
DATA SELECTOR
IC912
BUS SWITCH
IC909
BUS SWITCH
IC911
USB CONTROLLER
IC915
S-RAM
(2/2)
WM/USB BOARD
INVERTER
4.7k
12
10
F
4
3
D
8
5
7
G
9
K
J
11
E
17
I
6
H
L
18
M
A
2
16
15
C
14
1
B
13
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