Schematic Diagram - Key Board - Sony MDX-F5800 Service Manual

5-15. SCHEMATIC DIAGRAM − KEY Board − •
LED961
NSCW505T-ARS
CN901
R971 LED961,962
14P
1k
(LCD BACK LIGHT)
SIRCS
+B
KEY-0
LED962
KEY-1
NSCW505T-ARS
NC
NC
GND
GND
NC
(Page 29)
R975 470 DI
DATA-LCD
R976 470 CE
CE-LCD
R977 470 CL
CLK-LCD
+B
DOOR-SW
•
See page 29 for Waveform. See page 32 for IC Block Diagram.
LED901-907,910-923
(KEY ILLUMINATION)
LED923 LED907 LED922 LED919
CL-195SR CL-195SR CL-195SR CL-195SR
R921
100 R927 R933
100 100
R922 LED901 LED920
68 R928 R934 CL-195SR CL-195SR
100 100
R923
47
LED906 LED904 LED903 LED921
CL-195SR CL-195SR CL-195SR CL-195SR
R939 R945
100 100
LED905 LED902
CL-195SR CL-195SR
R940 R946
100 100
R929 R935 R941 R947
100 100 100 100
Q961
R970
DTC143ZKA
0
-T146
R969
470 LED DRIVE
S910
R908 S911
680
R909 S912
680
R910 S913
S901 R901 680
680
OFF
R911 S914
S902 R902 1k
680
SOURCE
R912 S915
S903 R903 1.5k
680
MODE
R913 S916
S904 R904 1.5k
1k
- (VOLUME)
R914 S917
S905 R905 2.2k
1.5k
ATT
R915 S918
S906 R906 3.3k
1.5k
+ (VOLUME)
R916 S919
S907 R907 4.7k
2.2k
SEL
R917 S920
6.8k
R918 S921
10k
R919 S922
15k
R920 S923
22k
R981
150
+3.3V REGULATOR
IN OUT
R982
150
GND CTL
IC981
R983 MM3033D
150
LED916 LED913 LED912
CL-195SR CL-195SR CL-195SR
C974
2.2
LED917 LED914 LED911
CL-195SR CL-195SR CL-195SR
C972
1
LED918 LED915 LED910
CL-195SR CL-195SR CL-195SR
R951 R957 R963
100 100 100
R952 R958 R964
100 100 100
R953 R959 R965
100 100 100
EQ3
DSO
SEEK +
SEEK -
(US) (AEP,UK)
S914 S914
LIST PTY
CAT LIST
S915
S915
SENS
SENS
BTM
S916
S916
AF
BTM
TA
GP/ALBM +
6
GP/ALBM -
5
SHUF
4
REP
3
DISC +
2
DISC -
1
DSPL
31 31
R972
100
REMOTE CONTROL R995
33
RECEIVER
SEG52
IC971
R996 RS-770
0
SEG53
SEG53
SEG54
SEG54
SEG55
SEG55
SEG56
C971 C996
SEG56
2.2 1
COM1
COM1
COM2
COM2
COM3
COM3
COM4
R990 R985
COM4
1M 0
VDD
VLCD
C982
R986 1k
0.022
VLCD2
R987 1k
R989 C985 C983
VLCD3
39k 1000p 0.1
R988 1k
VSS
C984 0.1
C986
OSC
0.47
INH
CE R979 470
CE
CL R980 470
CL
DI R978 470
DI
LCD901
LIQUID CRYSTAL DISPLAY
MDX-F5800
SEG33
SEG32
SEG32
SEG31
SEG31
SEG30
SEG30
SEG29
SEG29
SEG28
SEG28
SEG27
SEG27
SEG26
SEG26
SEG25
SEG25
S24
SEG24
S23
SEG23
LCD DRIVER S22
SEG22
IC901
S21
LC75874W
SEG21
S20
SEG20
S19
SEG19
S18
SEG18
S17
SEG17
S16
SEG16
S15
SEG15
S14
SEG14