Read Sony CDX-GT170 / CDX-GT170S / CDX-GT270 / CDX-GT270S (serv.man2) Service Manual online
10
10
CDX-GT170/GT170S/GT270/GT270S
CDX-GT170/GT170S/GT270/GT270S
1-6. PRINTED WIRING BOARD — KEY SECTION —
: Uses unleaded solder.
1
A
B
C
D
E
F
G
H
2
3
4
5
6
7
8
9
10
11
12
13
14
A
MAIN BOARD CN701
1
37
LIQUID CRYSTAL DISPLAY PANEL
IC971
GT270/GT270S
OFF
EQ3
LSW901
LSW904
.m
SEEK–
M >
SEEK+
LSW903
DSPL/SCRL
LED951–953
(RING ILLUMINATION)
3/REP
4/SHUF
LSW909
LSW908
LSW907
LSW905
BTM
2/ALBUM+
LSW906
(GT270/GT270S)
(GT270/GT270S)
1/ALBUM–
1
(GT170/GT170S)
(GT170/GT170S)
2
5
6/PAUSE
LSW911
LSW910
1-874-378-
1-874-378-
(21)
21
(21)
21
PUSH SELECT
(VOLUME)
RE901
LED941,
S901
AUX
J901
Z
LED942,
S902
LED943
S902
LED931
S903
S901
LED942
LED953
LED951
LED952
LED944
LED945
R975
C971
1
2
4
3
R943
R948
R944
R905
R946
LCD901
R945
R902
R901
IC971
LSW910
LSW909
LSW908
LSW907
LSW906
LSW905
LSW903
LSW902
LSW902
DSPL
(GT270/GT270S)
(GT170/GT170S)
SOURCE
LED944,
S903
LSW904
LSW901
S904
LED941
LSW911
LED931
(LCD BACK LIGHT)
R979
R978
R977
R982
C986
R974
C983
D982
C984
R986
R985
R984
D981
R981
R987
C981
FB903
D993
R933
R931
GT270/GT270S
GT270/GT270S
R932
R903
Q932
R972
R904
R907
R947 R908
R909
D998
R913
R949
R912
R911
R914
R952
R950
D991
D994
R951
IC901
R910
CN901
R971
C987
R988
Q931
R934
R942
R941
R992
R953
R954
R915
D903
D992
RE901
1
2
3
4
5
MODE
LED945,
S904
(Page 5)
IC901
G-8
IC971
D-14
LED931
C-13
LED941
B-13
LED942
A-1
LED944
B-4
Ref. No.
Location
D903
G-11
D981
H-10
D982
H-10
D991
G-11
D992
G-11
D993
G-11
D994
F-14
• Semiconductor Location
Ref. No.
Location
LED945
C-4
LED951
B-3
LED952
C-4
LED953
C-3
Q931
G-10
Q932
G-10
Ref. No.
Location
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