Sony CDX-RA550 / CDX-RA650 Service Manual ▷ View online
29
29
CDX-RA550/RA650
CDX-RA550/RA650
3-12. SCHEMATIC DIAGRAM — MAIN SECTION (4/4) —
POWER CONTROL
R714
R103
R101
R102
C30
C40
R32
R33
R34
R38
R39
Q23
R26
Q22
R41
R42
R36
R37
R35
IC20
L21
IC21
R20
R43
R40
R44
R45
R50
R66
D101
D102
L23
CN40
R21
R22
R23
R25
R24
R27
C24
R28
D20
C25
R30
R29
R31
C29
Q21
R65
R49
R48
C20
C27
C32
C41
C42
C43
C44
C35
C36
C33
C34
C31
C28
C23
C22
C26
C39
C191
C193
C192
L20
R46
C21
R47
R64
JC22
Q29
Q27
C37
Q41
M904
R191
CN370
Q20
D22
D26
D25
D21
Q24
D24
Q26
IC22
Q40
D106
D103
IC40
Q25
Q28
(Page 28)
(Page 26)
(Page 33)
30
30
CDX-RA550/RA650
CDX-RA550/RA650
3-13. PRINTED WIRING BOARD — BASE SECTION — • Refer to page 20 for Circuit Boards Location.
: Uses unleaded solder.
(Page 32)
1
A
B
C
D
E
F
G
H
2
3
4
5
6
7
8
9
10
11
12
13
14
CN903
1-868-481-
(11)
11
1-868-481-
(11)
11
LSW916
S917
Z
S917
OFF
+
(SEEK)
LSW918
ATT
(VOLUME)
B
MAIN BOARD
CN370
D
PRESET BOARD
CN905
C
DISPLAY BOARD
CN904
–
LED918
S918
S918
(OPEN/CLOSE)
S961
S915
S915
S916
S916
+
–
R948
R949
R954
R955
R956
R914
R915
R916
R917
CN902
LSW916
LSW917
LSW918
S961
R901
LMA3
LMA4
LMA5
D904
D902
D906
R980
R981
JP901
D903
D962
D963
R902
R947
R953
D905
CN901
(Page 31)
(Page 25)
Ref. No.
Location
• Semiconductor
Location
D902
F-7
D903
F-12
D904
F-8
D905
F-10
D906
F-11
D962
F-12
D963
F-13
31
31
CDX-RA550/RA650
CDX-RA550/RA650
3-14. PRINTED WIRING BOARD — DISPLAY SECTION — • Refer to page 20 for Circuit Boards Location.
: Uses unleaded solder.
(Page 30)
1
A
B
C
D
E
F
G
H
2
3
4
5
6
7
8
9
10
11
12
13
14
48
47
39
38
37
36
35
34
33
32
31
15
14
13
12
11
10
9
8
7
6
5
2
1
LSW923
DSO
LSW920
DSPL
LSW921
SEL
LSW919
IC972
EQ3
1-868-480-
(11)
11
1-868-480-
(11)
11
C
BASE BOARD
CN902
2
1
3
4
R962
IC972
R960
R961
LSW919
LSW923
LSW920
LSW921
R957
R958
R959
R918
R919
R920
R921
C986
C984
C995
C987
CN904
LMB6
LMB5
R889
D981
R887
C983
R989
R987
IC971
C996
D991
R995
R996
C998
R991
R992
LED961
LED961
(CD SLOT)
R963
R964
R965
R990
R993
R966
C997
Q893
R888
R984
C982
R983
R982
Q891
R885
Q892
R883
R882
R881
R884
R986
R972
R973
R886
F901
FLUORESCENT INDICATOR TUBE
Ref. No.
Location
• Semiconductor
Location
D981
F-10
D991
G-5
IC971
G-4
IC972
D-13
LED961
G-7
Q891
G-10
Q892
G-10
Q893
F-9
32
32
CDX-RA550/RA650
CDX-RA550/RA650
3-15. PRINTED WIRING BOARD — PRESET SECTION — • Refer to page 20 for Circuit Boards Location.
: Uses unleaded solder.
(Page 30)
1
A
B
C
D
2
3
4
5
6
7
8
9
10
11
12
13
14
D
BASE BOARD
CN903
1-868-482-
1-868-482-
AF/TA
5/BBE MP
MODE
SOURCE
(11)
11
3/REP
4/SHUF
6/PAUSE
1/GP/ALBM–
2/GP/ALBM+
PTY
SCRL
BTM/SENS
(11)
11
LSW914
LSW913
LSW912
LSW911
LSW910
LSW909
LSW908
LSW907
LSW906
LSW905
LSW904
LSW903
LSW914
LSW913
LSW912
LSW911
LSW910
LSW909
LSW908
LSW907
LSW906
LSW905
LSW904
LSW903
R931
R942
R940
R941
R939
R932
R933
R934
R936
R937
R938
CN905
CP901
R913
R912
R911
R910
R909
R908
R907
R935
R906
R905
R904
R903
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