Printed Wiring Board -Key Section - Sony CDX-GT55UIW Service Manual

CDX-GT55UIW/GT550UI/GT600UI
4-7. PRINTED WIRING BOARD – KEY Section –
1 2
LED906,907,931,932,935,936
A (ILLUMINATOR)
LED914,915,
SOURCE/OFF
LED910,911,
S903
R920
SEEK+
S903
>
R942 LED915
M
LED914
B
LED906 LED907
LED939,940,
S904
/MODE
S904
LED939
LED918-921,
S906
LED940
LED912,913,
LED908 LED909
S905
C LED916
LED917
m
R927
. S905
SEEK–
S907
LED916,917,
S907
ZAP
D
LED908,909,933,934,937,938
(ILLUMINATOR)
E
1
2
F
3
R923
R903
G
R952
VDR908
H
CDX-GT55UIW/GT550UI/GT600UI
• : Uses unleaded solder.
3 4 5
S902
S902
LED932
LED931
R983
R984
D921
LED933
R956
LED934
LED923 LED929
LED928 LED926
LSW912
LED924 LED925
LED923-926,928,929 LSW912
(RING ILLUMINATOR)
PTY/CAT
(US,CND)
AF/TA/PTY
(AEP,UK,RU)
PTY
(E,EA,MX)
R969
IC902
R975
1 2 3
R926 R999
R944
6 RE901 7
R953
R918
VDR906
R919
4 5
RE901
PUSH ENTER/
SELECT
(VOLUME)
6 7 8
LED904,905
DISC SLOT
INDICATOR
LED904 LED905
1
LCD901
LIQUID CRYSTAL DISPLAY PANEL
LSW911 LSW910 LSW909 LSW908
R966
LSW911 LSW910 LSW909 LSW908
1/ALBUM – 2/ALBUM + 3/REP 4/SHUF
R931
R932
C904
C901 C903 C902
R917
R998 C911
64 49
R908
1
48
IC901
Q904
R909
E C B
16
33
17 32
R982
22 22
9 10 11
52
LSW906
LSW907
LSW905
R961 R960
LSW907 LSW906 LSW905
5 6/PAUSE DSPL/SCRL
(Page 18)
MAIN BOARD
CN102
A
R930 R929
19 1
CN901
20 2
R906
D902
R940
R946
C912
12 13
LED902,903,
S901
Z
R979
R996
LED901
LCD BACK
LIGHT
11
1-882-750- (11)
J901
AUX
R945
CN902
(USB)
FB901
FB902
11
1-882-750- (11)