Printed Wiring Board - Key Board - Sony MDX-F5800 Service Manual

MDX-F5800
5-14. PRINTED WIRING BOARD − KEY Board − •
1 2 3
KEY BOARD
(COMPONENT SIDE)
A
K
A
S906
S905
+ (VOLUME)
ATT
K
R906
A
R905 A
LED923
B
K
S923
DSPL
R933
A
LED962
LED907
R934
K LCD
BACK
A LIGHT
C
S907
LED904
K
SEL
R903
S904
S904
–
IC971
(VOLUME)
4 1
S902
A
D
3 2
K
S902
SOURCE
KEY BOARD (CONDUCTOR SIDE)
E
R972
C971
F
R907
R935
R928
R929
G
R920
R927
H
• Semiconductor Location
Ref. No. Location Ref. No. Location
D901 G-10 LED904 C-2
D902 F-11 LED905 A-1
D981 G-5 LED906 B-2
D983 G-5 LED907 C-2
LED910 C-13
IC901 G-8 LED911 B-13
IC971 D-2 LED912 B-13
IC981 G-5 LED913 C-13
LED914 D-12
LED901 D-4 LED915 D-11
LED902 D-3 LED916 D-10
LED903 D-4 LED917 D-10
See page 21 for Circuit Boards Location.
4 5 6
1
64
S903 S901 S922
A A A A
K K K K
S903 S901 S922
MODE OFF
DISC –
1
R919
R904
R902
R996
R939 R940 R941
R969
Q961
R995
D981
C974 C996
E 4 3
IC981
C986
C981
R970
1 2
R990
D983
R981
Ref. No. Location
LED918 D-9
LED919 D-8
LED920 D-7
LED921 D-6
LED922 D-5
LED923 B-2
LED961 B-12
LED962 B-3
Q961 G-4
:Uses unleaded solder.
7 8 9
32
LCD901
LIQUID CRYSTAL DISPLAY
33
S920 S919
S921 S918
A A A
K K K
S921 S920 S919 S918
DISC + REP SHUF GP/ALBUM –
2 3 4 5
LED901 – 907, 910 – 923
(KEY ILLUMINATION)
R918 R917
60 41
61 40
IC901
R951
R953
80 21
R952
1 20
30 30
10 11 12
R909
LED911
A
LED961
LCD
BACK
LIGHT
R908
S917 S916 S915
A A A A
K K K K
S917 S916 S915
(US) (US)
GP/ALBUM +
BTM SENS
6
(AEP,UK) (AEP,UK)
AF SENS
TA BTM
R913
R914
R912
R901
D902
R922
14
R923
R957
CN901
R959 R958
D901
R979 R963
R965 R964 1
R975
R977
R976
C
13 14
S912
SEEK +
A
LED912
K
K
S911
DSO
LED910
A S910
EQ3
11
K
1-860-818- (11)
A
LED913
K
S913
SEEK – LED901 – 907,
LED910 – 923
A K
S914
S901 – 907,
S910 – 923
S914
(US)
LIST
CAT
(AEP,UK)
PTY
LIST
R911
R910
8
7 11
1-860-818- (11)
SUB BOARD
CN801
(Page 29)