Block Diagram - Aiwa xc-rw700 Service Manual

BLOCK DIAGRAM - 1/4 (POWER SECTION)
Q Q
3 7 6 3 1 5 1 5 0
POWER C.B
BD901
R901
C903
R902
LINE FILTER
BLOCK
C901,L901
C902
T E
L 1 3 9 4 2 2 9 6 5 1 3
F901
PW901
AC120V
60Hz
C913
C914
w w w
T901
TRANS
SNUBBER
BLOCK
D901, R904
C905, C906
DRIVE & S/W BLOCK
OVER CURRENT LIMIT
BLOCK
IC901, C900, R911, C904
D902, R912, C909
1
4
3
IC902
TV-817B
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y
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8
FDCH(-) S/W
Rectifier &
Block
Smothing
Q911, Q910, R941
D902, C915,
R942, R943, Q904
ZD901
Rectifier &
Smothing
D907, C921, R905
L908, C930
Rectifier
& Smothing
D908, C919, L905, C931
Rectifier
& Smothing
D910, C926
L909, C927
Q Q
3 7 6 3
Rectifier & Smothing
D909, C923, C924,
L903, L904, C917
C925, C933
13 Rectifier &
Smothing
D906, C916
L910, C917
Feedback
Block
R924, R925, R927,
R928, C928, R926
IC904
KA431AZ
u 1 6 3
.
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9 2 4 9 8
Regulation
IC906, C935
Regulation
IC907, C938
D911
1 5 1 5 0 8 9 2 4
5V S/W Block
Q902, R933, C929
C936, R931, Q901,
R929, R919
5V S/W Block
Q907, R921, C934
R922, C932, L911
C937, Q908, R920
R923
Low Dropout
Voltage Reg.
IC925, R930, C918
m
c o
2 9 9
TO Front(L)
F +
TO Front(L)
F -
From CD-P
( -COM)
PWRCTL
TO Front(L)
-34V
TO I/O
-12 V
TO I/O
V+12V
TO I/O
+15V
9 8 2 9 9
R903
TO CD-P
5V ( -COM)
TO Front(L)
5V
TO CD-P
A-5V
TO CD-P
D-5VA
TO CD-P
MI2V
TO I/O
5VD(CDR)
TO I/O
5VA
TO I/O
MI2V