Printed Wiring Boards - Key Section - Sony CDX-A251C Service Manual

3-13. PRINTED WIRING BOARDS — KEY SECTION — • Refer to page 16 for Circuit Boards Location.
1 2
A
LED902
LED952
S902
B
LSW918
R955
LSW915
C
LSW915
D
E
F
G
H
I
J
CDX-A251C
3 4 5
LSW911
(US,CND)
LSW910
(AEP,UK)
(US,CND,E,MX)
LSW916
(E,MX)
(AEP,UK)
LED904
LSW910
LSW916
LSW917
S904
R959
R960
LED909
R957
LSW911
LSW914
R958
S909
R964
LSW913
LSW914
LED903
IC971
LSW912
S903
LSW913 LSW912 LED903,S903
(US,CND,E,MX)
(AEP,UK)
• Semiconductor Location
Ref. No. Location Ref. No. Location
(D901) H-11 LED901 A-13
(D902) H-11 LED902 A-2
(D903) H-10 LED903 D-6
(D981) H-8 LED904 B-6
(D982) H-8 LED906 B-8
LED907 D-9
(IC901) H-9 LED908 C-9
IC971 D-4 LED909 C-6
( ): SIDE B
: Uses unleaded solder.
6 7 8
LED906
R996
R994
LED946 LED941
S906
R989
LED908
R970
LED945
LED942
S908
LED907
LED944 LED943
R992
R991
S907
R990
LED909,S909 LED941-946 LED907,S907
(RING ILLUMINATION)
Ref. No. Location Ref. No. Location
LED931 C-13 LED951 A-12
LED932 B-13 LED952 A-2
LED941 B-8
LED942 C-8 (Q902) H-6
LED943 D-8 (Q903) H-6
LED944 D-7 (Q931) H-13
LED945 C-6
LED946 B-7
29 29
9 10 11 12
1
LCD901
LIQUID CRYSTAL DISPLAY PANEL
56
LED908,S908
(Page 24)
MAIN BOARD
CN701
B
CDX-A251C
13 14
LED901
LED951
S901
28
29