Schematic Diagram -Key Section - Sony CDX-CA900 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
3-15. SCHEMATIC DIAGRAM — KEY SECTION — • Refer to page 18 for Waveform.
CN901
(Page 28)
T E
L 1 3 9 4 2 2 9 6 5 1 3
C901 D902
D901
w w w
.
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C906
IC903
IC902
LED900
C910
C904
C905
FB902
FB901
C909 C911
R901 D920 C900 C902
R904
LSW921(2/2) R933
R971
LSW922(1/2)
R921
LED910
LSW922(2/2)
R922 LSW923(1/2)
LED911
R923
LSW923(2/2)
R972
LSW924(1/2)
D900 R924
LSW924(2/2)
LSW921(1/2)
R979
R980
R934
x a o
y
i
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8
R919 R918
R911 C912
R912
R910
X910
R913
D910
R981
R990
R982
R988
R973 R975
D974
Q Q
3 7 6 3 1
LED912 LED914
C982 R983
R991
C991
C990
R992
LED913 LED915 C992
R993
C993
C986
R994
R974 R976
R987 C983
R984
R985
R986
Q901
u 1 6 3
.
33 33
2 4
9 9 8
IC901
5 1 5 0 8 9 2 4 9
LCD901
m
c o
Note:
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
CDX-CA900/CA900X
2
9 9
8 2 9 9