Sony CA440 - Schematic Diagram - KEY Board

XR-CA430X/CA440
2323
R919 R929 R939
R985
R984
R983
R921R901
R902
R922
R923
R903
R904
R924
R925R905
R906 R926
R927
R907
R908
R909
R910
R911
R912
R913
R914
R951R941R931 R954R944R934 R955R945R935 R957R947R937R956R946R936
R987R977R967
R992R991R990
LED902
LED903
LED922
LED923LED906LED950
C994
D991
C991 C993
C992
R995
C995
R996
R998
R997
CN901
PL901
LSW920(1/2)
LSW900(1/2)
LSW900(2/2)
LSW920(2/2)
LSW926(1/2)
LSW926(2/2)
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)
LSW924(2/2)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)
LSW908(1/2)
LSW909(1/2)
LSW910(1/2)
LSW908(2/2)
LSW909(2/2)
LSW910(2/2) LSW912(2/2)
LSW914(2/2)
LSW913(2/2) LSW903(2/2)
LSW904(2/2)
R932 R942 R952 R933 R943 R953
R981
R980
R994
R999
S922S902
D901
S906
1k
1k
1k
680680
680
680
680
680
1k
1k
1.5k1.5k
1.5k 1.5k
2.2k
2.2k
3.3k
4.7k
6.8k
10k
15k
22k
47k
1.5k1.5k1.5k 680680680 680680680 680680680680680680
680680680
2.2k2.2k2.2k
100p
0.022 0.1
0.1
1M
0.22
1k
1k
1k
12P
680 680 680 680 680 680
470
1k
330k
0
UMZ6.8ENTR
CE
CL
DI
CE
DI
CL
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
SEG31SEG47
SEG48
SEG49
∗∗∗
∗
∗
∗
∗∗∗
∗
GND
KEY-1
KEY-0
CE-LCD
DATA-LCD
CLK-LCD
+B
PANEL
+B
GND
GND
NC
D
IM
M
E
R
S47
S48
S49
COM1
COM2
COM3
COM4
VDD
VDD1
VDD2
VSS
OSC
CE
CL
DI
INH
S
1
S
2
S
3
S
4
S
5
S
6
S
7
S
8
S
9
S
10
S
11
S
12
S
13
S
14
S
15
(LCD BACK LIGHT)
LED902,903
∗
SOURCE
∗
D991
∗
LED922,923
D-BASS
∗
LED906
MODE
∗
LED950
OFF
SOURCE
MBP
TA
+
VOL
VOL
-
ATT
MODE
AE
BTM
SENS
REP
3
SHUF
4
SEEK AMS
SEEK AMS
D-BASS
SEL
DSPL
MTL
PTY
∗
R919,929,939
10 (CA440)
22 (CA430X)
LCD901
LIQUID CRYSTAL DISPLAY
N
C
S
1
S2
S
3
S4
S
5
S6
S
7
S8
S
9
S
10
S
11
S
12
S
13
S
14
S
15
S16
S
17
S18
S
19
S20
S21
S22
S23
S2
4
S2
5
S
26
S
27
S28
S
29
S
30
S
31
S
32
S33
S
34
S
3
5
S3
6
S3
7
S38
S
3
9
S4
0
S4
1
S4
2
S43
S4
4
S
4
5
S4
6
S47
S4
8
S4
9
CO
M
1
CO
M
2
CO
M
3
CO
M
4
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
SEG46
SEG47
SEG48
SEG49
COM1
COM2
COM3
COM4
IC901
LC75824W
LCD DRIVER
S16
S17
S18
S19
S20
S21
S22
S23
S24
S25
S26
S27
S28
S29
S30
S31
N
C
S
46
S
45
S
44
S
43
S
42
S
41
S
39
S
38
S
40
S
37
S
36
S
35
S
34
S
33
S
32
SEG32
SEG33
SEG34
SEG35
SEG36
SEG37
SEG40
SEG41
SEG42
SEG43
SEG44
SEG45
SEG46
SEG38
SEG39
ALBM +
ATA
6
1
DISC -
DISC +
2
ALBM -
BL SKIP
5
CL-190SR (CA430X)
CL-190PG (CA440)
CL-190SR (CA430X)
CL-190FG (CA440)
CL-190FG (CA440)
CL-190SR (CA430X)
(ILLUMINATION)
CL-190SR (CA430X)
CL-190PG (CA440)
UDZ-TE-17-4.7B (CA440)
UDZ-TE-17-5.1B (CA430X)
PL902
(LCD BACK LIGHT)
LED940
CL-190FG (CA440)
CL-190SR (CA430X)
(ILLUMINATION)
6-7. SCHEMATIC DIAGRAM – KEY Board –• See page 14 for Waveform.
(Page 21)