Schematic Diagram - Key Board - Sony XR-CA630X Service Manual

6-9. SCHEMATIC DIAGRAM – KEY Board – •
RE901
ROTARY
ENCODER
VOLUME
CONTROL
C958 C959
0.022 0.022
R958 R959
CN901
100 100
14P
SIRCS
+B
KEY-0
KEY-1
RE-0
NC
GND
GND
R926
RE-1
(Page 21)
100
DATA-LCD
R927 100
CE-LCD
R928 100
CLK-LCD
+B
DOOR-SW
See page 16 for Waveform.
R930
LSW906(2/2)
150
LSW902(2/2) LSW919(2/2) LSW911(2/2)
R940
R931 100
100
R941
150
R932
R942
150
150
LED917 LED901
LSW904(2/2)
CL-190SR CL-190SR
LIST OFF
R921
100
DI
CE
R922
150
CL
LED912
LSW905(2/2) LSW907(2/2)
CL-190SR
ENTER
R950
470
R951
470
R910
0
S901
R911 R901
LSW911(1/2)
680 680
SOUND OFF
S912
R912 R902
LSW902(1/2)
680 680
ENTER SOURCE
S903
R913 R903
LSW913(1/2)
DISC/
680 680
PRESET MBP
- S914
R914 R904
LSW904(1/2)
1k 1k
EQ7
MODE
R915 R905
LSW915(1/2) LSW905(1/2)
1.5k 1.5k
SEEK + DISPLAY
R916 R906
LSW916(1/2) LSW906(1/2)
DISC/ 1.5k 1.5k
PRESET AF
+ S917
R917 R907
LSW907(1/2)
2.2k 2.2k
LIST SCRL
R918
LSW918(1/2)
3.3k
SEEK -
R919
LSW919(1/2)
4.7k
MENU
LED914 R995
CL-190UB 470
EQ7
R976
LSW913(2/2)
100 R996
R982 470
REMOTE CONTROL
100
R983
100
R984 R985 R986
R987 2.2k 2.2k 2.2k
100
LED941
LSW915(2/2)
NSSW440-B3456RS
LED903
CL-190UB
C971
MBP 0.1
D972
LED931,941
MM3Z5V1ST1
(LCD BACK LIGHT)
R999
0
LED931
LSW916(2/2)
NSSW440-B3456RS
R990
1M
R970
68
LSW918(2/2)
D901
MMDL914T1
R971
68
C956
0.22
CE
CL
DI
23 23
R998
100
R997
1k
RECEIVER
IC971
RS-670
VCC OUT
SEG74
SEG74
GND
SEG75
GND
SEG75
SEG76
SEG76
SEG77
SEG77
SEG78
SEG78
SEG79
SEG79
SEG80
SEG80
SEG81
SEG81
SEG82
SEG82
SEG83
SEG83
C952
SEG84
0.022
SEG84
COM4
C961
COM4
0.1
COM3
COM3
LCD DRIVER
COM2
C962
COM2
IC901
0.1
COM1 LC75813T-E
COM1
R991
VDD
39k
VLCD
R992 1k
C953 VLCD1
1000p
R993 1k
VLCD2
R994 1k
VSS
OSC
LCD-INH
R937 1k
LCD-CE
R936 1k
LCD-CLK
R938 1k
LCD-DATA
LCD901
LIQUID CRYSTAL DISPLAY
XR-CA630X
SEG48
SEG48
SEG47
SEG47
SEG46
SEG46
SEG45
SEG45
SEG44
SEG44
SEG43
SEG43
SEG42
SEG42
SEG41
SEG41
SEG40
SEG40
SEG39
SEG39
SEG38
SEG38
SEG37
SEG37
SEG36
SEG36
SEG35
SEG35
SEG34
SEG34
SEG33
SEG33
SEG32
SEG32
SEG31
SEG31
SEG30
SEG30
SEG29
SEG29
SEG28
SEG28
SEG27
SEG27
SEG26
SEG26
SEG25
SEG25
SEG24
SEG24