Read Sony XR-CA440 / XR-CA440X / XRS-CA500 Service Manual online
XR-CA440/CA440X
21
21
R919
R929
R939
R985
R984
R983
R921
R901
R902
R922
R923
R903
R904
R924
R925
R905
R906
R926
R927
R907
R908
R909
R910
R911
R912
R913
R914
R951
R941
R931
R954
R944
R934
R955
R945
R935
R957
R947
R937
R956
R946
R936
R987
R977
R967
R992
R991
R990
LED902
LED903
LED922
LED923
LED906
LED950
C994
D991
C991
C993
C992
R995
C995
R996
R998
R997
CN901
PL902
PL901
LSW920(1/2)
LSW900(1/2)
LSW900(2/2)
LSW920(2/2)
LED940
LSW925(1/2)
LSW901(1/2)
LSW901(2/2)
LSW925(2/2)
LSW923(1/2)
LSW927(1/2)
LSW911(1/2)
LSW907(1/2)
LSW905(1/2)
LSW921(1/2)
LSW924(1/2)
LSW921(2/2)
LSW905(2/2)
LSW907(2/2)
LSW911(2/2)
LSW927(2/2)
LSW923(2/2)
LSW903(1/2)
LSW904(1/2)
LSW913(1/2)
LSW914(1/2)
LSW912(1/2)
LSW909(1/2)
LSW910(1/2)
LSW909(2/2)
LSW910(2/2)
LSW914(2/2)
LSW913(2/2)
LSW903(2/2)
R981
R980
R994
R999
S922
S902
D901
S906
R932
R942
R952
R933
R943
R953
R962
R972
R963
R973
LSW904(2/2)
LSW912(2/2)
LSW924(2/2)
1k
1k
1k
680
680
680
680
680
680
1k
1k
1.5k
1.5k
1.5k
1.5k
2.2k
2.2k
3.3k
4.7k
6.8k
10k
15k
22k
47k
1.5k
1.5k
1.5k
680
680
680
680
680
680
680
680
680
680
680
680
680
680
680
2.2k
2.2k
2.2k
100p
0.022
0.1
0.1
1M
0.22
1k
1k
1k
12P
470
1k
330k
0
UMZ6.8ENTR
1k
1.5k
1k
1k
1.5k
1k
220
220
220
220
CE
CL
DI
CE
DI
CL
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
SEG32
SEG33
SEG34
SEG35
SEG36
SEG37
SEG38
SEG39
SEG40
SEG41
SEG42
SEG43
SEG44
SEG45
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
COM1
COM2
COM3
COM4
SEG15
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
SEG32
SEG33
SEG34
SEG35
SEG36
SEG37
SEG40
SEG41
SEG42
SEG43
SEG44
SEG45
SEG46
SEG47
SEG48
SEG49
SEG38
SEG39
SEG46
SEG47
SEG48
SEG49
COM1
COM
2
COM3
COM4
GND
KEY-1
KEY-0
+B
+B
GND
D
IM
M
ER
S47
S48
S49
COM1
COM2
COM3
COM4
VDD
VDD1
VDD2
VSS
OSC
CE
CL
DI
INH
S1
S2
S3
S
4
S
5
S6
S7
S
8
S9
S10
S1
1
S1
2
S
13
S1
4
S1
5
(LCD BACK LIGHT)
(LCD BACK LIGHT)
(CA440)
(CA440)
CL-190SR
CL-190PG
LED902,903
∗
D991
(CA440)
CL-190SR
LED906
CL-190FG
MODE
(CA440)
LED950
(CA440)
R919,929,939
10
22
FLASH-W
GND(COLOR)
LCD-CE
LCD-DATA
LCD-CLK
PANEL-SW
(CA440X)
(CA440X)
SEEK AMS
-
SEEK AMS
+
MTL
BTM
DISC +
2
1
DISC -
REP
3
SHUF
4
+
VOL
VOL
-
ALBM -
5
BL SKIP
ALBM +
ATA
6
(CA440X)
(CA440X)
(CA440X)
(CA440X)
(C
A44
0
X
)
MM3Z4V7ST1
MM3Z5V1ST1
OFF
SOURCE
+
VOL
VOL
-
ATT
MODE
ALBM +
ATA
6
DISC +
2
1
DISC -
ALBM -
BL SKIP
5
REP
3
SHUF
4
SENS
MBP
D-BASS
SEL
DSPL
MTL
SEEK AMS
+
SEEK AMS
-
BTM
SOURCE
D-BASS
DSPL
OFF
SENS
ATT
SEL
MBP
NC
S
1
S
2
S
3
S
4
S
5
S
6
S
7
S
8
S
9
S
10
S1
1
S
1
2
S
13
S
1
4
S
15
S
16
S1
7
S
18
S1
9
S
2
0
S
2
1
S
22
S
23
S
24
S
2
5
S
2
6
S
2
7
S2
8
S
29
S3
0
S31
S
3
2
S
33
S
3
4
S35
S3
6
S37
S
3
8
S39
S4
0
S4
1
S4
2
S4
3
S44
S4
5
S
46
S47
S4
8
S
49
C
O
M
1
CO
M
2
CO
M
3
CO
M
4
LCD901
LIQUID CRYSTAL DISPLAY
IC901
LC75824W
LCD DRIVER
N
C
S46
S
45
S4
4
S43
S4
2
S
41
S39
S
38
S
40
S3
7
S
36
S35
S
34
S3
3
S32
S16
S17
S18
S19
S20
S21
S22
S23
S24
S25
S26
S27
S28
S29
S30
S31
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
(CA440)
(CA440X)
CL-190SR
CL-190PG
LED922,923
∗
(CA440)
(CA440X)
CL-190FG
CL-190SR
(ILLUMINATION)
∗
∗
∗
∗
CL-190FG
CL-190SR
(ILLUMINATION)
(3/3)
6-7.
SCHEMATIC DIAGRAM – KEY Board –
•
See page 22 for Waveform.
(Page 19)
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