Printed Wiring Board -Key Section - Sony CDX-GT21W Service Manual

4-7. PRINTED WIRING BOARD — KEY SECTION —
1 2
A
LED943
GT260/GT260S
LED943,
LED863
LED863, GT21W/GT210
S902
OFF
S902
R902
B
GT21W/GT210
LSW901
LSW901
EQ
(VOLUME ILLMINATE)
LSW904
LSW904
C
.m/
SEEK-
R905
R944
LSW902
D
LSW902
DSPL/DIM
(VOLUME ILLMINATE)
E
F
G
H
I
CDX-GT21W/GT210/GT260/GT260S
: Uses unleaded solder.
3 4 5
LED944, GT260/GT260S
LED864, GT21W/GT210
S903
SOURDE
GT260/GT260S
LED951
LED944
S903
R961
LED871
LED864
R962
LED871–874
LSW903
R907
M>/
LED873
SEEK+
R908
S904
LED874
LSW905
LED951–953
LED865, GT21W/GT210
LED945, GT260/GT260S
1
S904
MODE
RE901
PUSH SELECT
(VOLUME)
6 7 8
LED862, GT21W/GT210
LED942 GT260/GT260S
(DISC–SLOT)
LED862
GT21W/GT210
LED942
GT260/GT260S
LCD901
LIQUID CRYSTAL DISPLAY PANEL
37
LSW906 LSW907
2 3/REP
25 25
CDX-GT21W/GT210/GT260/GT260S
9 10 11 12
1
LSW908 LSW909 LSW910
4/SHUF 5 6/PAUSE
(Page 21)
MAIN BOARD
CN701
A
• Semiconductor Location
Ref. No. Location Ref. No. Location Ref. No.
D903 G-11 IC901 G-8 LED871
D981 H-10 IC971 D-13 LED872
D982 H-10 LED873
D991 G-9 LED861 A-14 LED874
D992 G-9 LED862 B-8 LED931
D993 G-9 LED863 A-2 LED941
D994 G-13 LED864 B-5 LED942
LED865 C-5 LED943
13 14
LED941, GT260/GT260S
LED861
LED941 LED861, GT21W/GT210
S901
Z
R942
S901
R862
GT21W/GT210
LED931
(LCD BACKLIGHT)
C971
IC971
11
R914
(11)
GT260/GT260S
11
(11)
Location Ref. No. Location
B-3 LED944 B-4
C-2 LED945 C-4
C-4 LED951 B-3
D-3 LED952 C-4
C-13 LED953 C-3
A-14
B-8 Q931 G-7
A-1 Q932 G-6