Sony HCD-LX50WMR Service Manual ▷ View online
SERVICE MANUAL
HCD-LX50WMR
HCD-LX50WMR
1
HCD-LX50WMR
Ver. 1.1 2009.11
SUPPLEMENT-1
File this supplement with the service manual.
For Schematic Diagrams.
Note:
• All capacitors are in
• All capacitors are in
μF unless otherwise noted. (p: pF) 50
WV or less are not indicated except for electrolytics and
tantalums.
tantalums.
• All resistors are in
Ω and 1/4 W or less unless otherwise
specifi ed.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
•
A : B+ Line.
• Voltages are dc with respect to ground under no-signal
(detuned) conditions.
no mark : USB
• Voltages are taken with VOM (Input impedance 10 M
• Voltages are taken with VOM (Input impedance 10 M
Ω).
Voltage variations may be noted due to normal production
tolerances.
• Signal path.
J
: CD PLAY
i : WM-PORT
d :
USB
For Printed Wiring Boards.
Note:
•
•
X : Parts extracted from the component side.
•
Y : Parts extracted from the conductor side.
•
: Pattern from the side which enables seeing.
(The other layers’ patterns are not indicated.)
• Indication of transistor.
C
B
These are omitted.
E
Q
Caution:
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Parts on the pattern face side seen
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
2. DIAGRAMS
AEP Model
UK Model
E Model
File this supplement with the service manual.
Subject: Change of WM/USB board (Suffi x-12)
In this set, WM/USB board has been changed in the midway of produc-
tion.
Printed wiring board, schematic diagram and electrical parts list of new
type are described in this supplement-1.
Refer to original service manual for other information
tion.
Printed wiring board, schematic diagram and electrical parts list of new
type are described in this supplement-1.
Refer to original service manual for other information
1. NEW/FORMER DISCRIMINATION
– WM/USB Board (Side A) –
Former : 1-880-000-11
New :
New :
1-880-000-12
9-889-508-81
HCD-LX50WMR
HCD-LX50WMR
2
2
2-1. SCHEMATIC DIAGRAM - WM/USB Board (1/2) -
PANEL
C
CNS482
BOARD
BOARD
CN802
WMJ
P
BOARD
(2/2)
WM/USB
81
BOARD
CNS971
USB-JACK
Q
(Refer to page
19 on original
service manual)
19 on original
service manual)
(Refer to page
19 on original
service manual)
19 on original
service manual)
(Refer to page
27 on original
service manual)
27 on original
service manual)
0
1.6
2.8
0
0
0
0
3.3
0
3.3
3.3
2.8
1.3
3.3
0
5.2
5.2
5.2
3.3
5.2
5.2
3.3
0
0
3.3
0
0
0
0
0
0
3.3
0
5.2
3.3
5.2
5.2
3.1
3.3
0
3.3
0
3.3
0
3.3
3.3
3.3
3.3
1.6
1.7
3.3
3.3
3.3
10k
R962
0
R987
R1003
10k
10
C945
CL908
CL904
C955
1000p
CL913
CL905
33k
R986
CL910
CL909
CL903
R1002
10k
CL912
20MHz
X901
CL906
CL918
100
R924
CL917
CL914
CL907
0.1
C938
10k
R993
100
R992
CL916
CL911
CL900
100
R923
10k
R1040
1000p
C949
CL915
1
2
3
4
5
6
7
8
9
10
11
12
13
15
16
17
18
19
20
21
22
23
24
25
26
29 30 31 32 33 34 35 36 37 38 39
43
44
45
46
47
48
49
50
51
52
14
28
41
42
40
27
R5F21246SN061FP
IC913
NC
P35
P33
P34
MODE
P34
P44
RESET
XOUT
VSS
XIN
VCC
LED
LED
LED
P23
P22
P21
P20
P17
P16
RXD_DEVICE
TXD_DEVICE
P13
NC
AC CUT
RXD_DMPORT
P12
P11
P10
P31
P30
P65
VIDEO_MUTE
AUDIO_MUTE
P07
NC
NC
P04
VREF
P60
DETECT
P61
MODEL
DEST
KEY1
KEY0
P37
LED
TXD_DMPORT
P06
P05
CL901
10k
R914
JL902
0.1
C915
1
2
3
4
5
6
7
7P
CN901
GND
GND
GND
D+
D-
VBUS
VBUS
XX
R918
0
R905
10
1
5
9
2
8
3
4
67
TS3USB221RSER
IC903
GND
1D+ VCC S
1D-
D+
2D+
2D-
2D-
OE
D-
C905
0.1
0
R916
0.01
C909
6.3V
C923
100
1
C904
0.1
C922
0
R901
0
R903
220k
R907
C906
0.1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
15P
CN900
GND
GND
D+
D-
GND
VBUS
VBUS
RXD_WAKE
TXD_SLEEP
USBDET
USBDET
WMDET
AU_LOUT
AU_GND
AU_ROUT
1000p
C911
6.3V
C913
100
5
4
321
TK11128CSCL-G
IC901
cont
GND
Np
OUT
Vin
0
R902
1
C900
0.1
C920
0.1
C924
0.1
C925
0
R908
0
R900
0.1
C916
8
7
6
5
4
3
2
1
TPS2051BDRG4
IC906
GND
IN
IN
EN
OC
OUT
OUT
OUT
100k
R910
1
C902
1
C910
JL903
0
R904
0
R915
10k
R912
1
C901
0
R911
0
R917
6.3V
C912
100
0.1
C918
6.3V
C926
100
0.1
C917
1
C903
220k
R909
6.3V
C921
100
8
7
6
5
4321
TPS2051BDRG4
IC904
GND
IN
IN
EN
OC
OUT
OUT
OUT
5
4
321
S-80928CNMC-G8YT2G
IC910
OUT
VDD
GND
NC
CD
1000p
C939
10k
R988
100
R991
100
R1005
100
R1004
0
R947
1
2
3
4
5
6
7
8
9
10
11
12
13
13P
CN902
WM_USB-ANA
WM_OC
PGND
VBUS_5V
ACC CONT
WM TXD
WM RXD
WM DET
DGND
ENA_VBUS
AU_L
AU_GND
AU_R
0
R920
8
7
6
5
4
3
2
1
TPS2051BDRG4
IC905
GND
IN
IN
EN
OC
OUT
OUT
OUT
JL904
JL900
JL901
0
R919
5
4
3
2
1
TC7SG125FU
IC900
G
IN A
GND
OUT Y
VCC
5
4
3
2
1
TC7SG125FU
IC902
G
IN A
GND
OUT Y
VCC
220
R906
2SC3052EF-T1-LEF
Q900
CL902
E
ET1001
2SC3052EF-T1-LEF
Q903
100k
R1037
47k
R1038
0
R1039
47k
R913
MAZ8051GMLS0
D905
MAZ8051GMLS0
D907
MAZ8051GMLS0
D903
MAZ8051GMLS0
D906
CL921
CL922
CL923
CL925
CL926
CL927
CL928
CL929
CL930
CL932
CL936
CL938
CL939
CL940
CL941
CL942
CL943
10
C936
10k
R940
A1
3.3V
A2
A3
A4
A5
A6
WM_VBUSON
3.3V
A7
A8
IC900
DATA
+2.8V REGULATOR
IC901
IC913
IC910
IC904
POWER CONTROL
USB SIGNAL SELECT
IC903
IC906
IC905
WM/USB BOARD (1/2)
IC902
(CHASSIS)
SWITCH
SWITCH
DATA
CONTROL
POWER
INVERTER
CONTROL
POWER
INVERTER
GENERATOR
RESET SIGNAL
CONTROLLER
WM-PORT
G
10
J
13
E
1
2
4
15
11
C
M
H
B
D
14
K
6
5
3
7
8
I
L
A
9
F
12
16
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
HCD-LX50WMR
HCD-LX50WMR
4
4
2-3. PRINTED WIRING BOARD
1
2
14
15
1
7
2
6
13
12
2
1
1
2
27
26
1
2
27
26
1
2
1
14
8
7
B
E
1
14
8
7
1
8
9
16
ET1001
CL925
CL926
CL928
Q901
L902
L903
R1004
R1005
FB910
R900
FB911
FB912
R902
R903
R904
R907
R1022
R1023
R1024
R1025
R911
R1026
R1027
R1028
R1029
R919
R1030
CN900
CN901
CN902
R921
CN906
CN907
CN911
R932
R933
R935
C902
C903
R942
C906
X900
X901
C912
C913
C916
R953
C917
R954
C920
C921
C923
C924
C925
R962
C926
C928
C929 C931
R970
R971
R972
R973
R974
R976
R977
R979
C940
C941
C942
R980
C944
R982
R983
C947
C948
R985
R986
R987
R989
C950
C951
C952
R990
C954
C956
C958
C959
C960
C963
D903
C964
C965
D905
D906
D907
D908
IC903
IC909
IC912
IC914
IC916
1
22
23
44
1
100
76
75
26
25
50
51
1
13
27
14
26
39
40
52
1
4
5
8
1
4
5
8
1
4
5
8
B
E
B
E
E
CL900
CL901
CL902 CL903
CL904
CL905
CL906
CL907
CL908
CL909
CL910
CL911
TP916
CL912
TP917
CL913
TP918
CL914
TP919
CL915
CL916
CL917
CL918
CL919
TP921
TP922
TP923
TP924
CL920
CL921
TP925
CL922
TP926
CL923
TP927
TP928
TP929
CL927
CL929
TP930
TP933
CL930
TP934
TP935
CL932
TP936
TP937
TP938
TP939
CL936
CL938
CL939
TP940
TP941
TP942
CL940
CL941
CL942
CL943
Q900
TP949
Q903
TP950
TP951
TP952
TP953
TP954
TP955
TP963
TP964
TP965
TP966
TP967
TP968
TP969
R1000
R1001
R1002 R1003
R1006 R1007
R1008
R1009
R1010
R1011
R1012 R1013
R1014
R1015
R901
R1016
R1017
FB913
R1018 R1019
R905
R906
R908
R909
R1020 R1021
R910
R912
R913
R914
R915
R916
R917
R1031
R1032
R1033
R1034
R920
R1037
R923
R1040
R1038
R924
R1039
R926
R927
R928
R929
R930
R931
R934
R938
C900
C901
R940
C904
C905
R943
R944
R944
R945
C909
R946
R947
R948
R949
C910
C911
R951
C915
R952
C918
R955
R956
R958
JL900
R959
JL901
JL902 JL903
JL904
JL905
C922
JL906
JL907
JL908
R961
JL909
C930
C933
C934
C935
C936
C937
C938
R975
C939
R978
R981
C945
R984
C949
R988
R991
C955
R992
R993
R994
R995
R996
R997
R998
R999
IC900
IC901
IC902
IC904
IC905
IC906
IC910
IC911
IC913
IC915
A
B
C
D
1
2
3
4
5
6
7
8
9
10
K
CD BOARD
CN202
A
PANEL BOARD
CNS413
L
MAIN BOARD
CNA283
C
PANEL BOARD
CNS482
1-880-000-
12
(12)
WM/USB BOARD
(SIDE A)
(CHASSIS)
1
4
10
5
9
6
1
3
4 5
1
3
4 5
1
3
4
5
1
3
4
5
5
1-880-000-
12
(12)
WM/USB BOARD
(SIDE B)
1
5
(Refer to page
18 on original
service manual)
18 on original
service manual)
TO
USB-JACK BOARD
USB-JACK BOARD
(Refer to page
18 on original
service manual)
18 on original
service manual)
(Refer to page
16 on original
service manual)
16 on original
service manual)
(Refer to page
26 on original
service manual)
26 on original
service manual)
(Refer to page
26 on original
service manual)
26 on original
service manual)
(Refer to page
22 on original
service manual)
22 on original
service manual)
TO
WMJ BOARD
WMJ BOARD
•
: Uses unleaded solder.
Display
