Read Sony HCD-LX50WMR Service Manual online
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
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