Sony CDX-GT81UW / CDX-GT860U Service Manual ▷ View online
29
29
CDX-GT81UW/GT860U
CDX-GT81UW/GT860U
5-7. SCHEMATIC DIAGRAM — MAIN SECTION (4/4) —
• Refer to page 34 for IC Block Diagrams.
IC B/D
IC B/D
IC B/D
IC B/D
(2/2)
CN101
D622
C621
D621
C622
R633
D626
R622
R623
C101
R319
R318
LED990
L601
C601
R400
IC602
L603
R113
D104
D105
D102
D101
R115
R630
R629
D103
R127
R126
R117
R118
JR601
CN605
CN604
D128
R991
R990
R639
CN802
R651
R650
C111
C110
C625
R625
FB601
C607
C605
L502
L304
R620
R634
R621
R101
R102
L303
Q642
IC620
Q622
Q621
CNP102
R619
CN801
D831
D830
D829
D828
D827
D836
D826
D825
D824
D823
D815
D814
C512
C632
C429
C430
JR602
JR610
R348
R264
R114
C342
C620
R635
D620
R624
R640
C626
R636
R637
R644
R645
R647
C628
C629
L620
FB603
D625
C630
R632
R631
R628
R626
R627
C623
C624
Q623
R656
R653
R652
C650
C609
C603
R603
L602
C602
R601
R602
C612
R604
C604
D601
C611
C610
R606
R607
Q302
T620
Q652
Q651
Q101
TH100
Q134
Q303
Q624
R605
IC601
IC621
Q301
C340
D623
Q620
D640
Q641
R801
R802
VD801
VD802
D303
IC110
(Page 26)
(Page 28)
(Page 27)
(Page 32)
30
30
CDX-GT81UW/GT860U
CDX-GT81UW/GT860U
5-8. PRINTED WIRING BOARDS — DISPLAY SECTION —
: Uses unleaded solder.
(Page 31)
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
14
B
BASE PANEL BOARD CN904
1
4
17
18
20
X901
LSW902
LSW903
LSW904
LSW905
LSW906
LSW907
LSW908
LSW901
LSW909
LSW910
LSW911
LSW912
LSW913
LSW914
LSW915
LSW915
IC903
IC903
S903
S904
R909
R910
LED920
LED922
LED923
LED924
LED927
LED926
JR925
JR921
R932
R934
C904
C914
C925
C981
D951
CN902
C901
C903
C915
C919
C956
FB901
FB902
FB903
FB904
FB905
FB908
FB911
FB912
FB913
FB914
FB916
FB917
FB918
FB919
FB920
FB921
R949
R948
R936
JC902
JC907
D933
D931
D932
Q920
Q921
Q922
R901
R902
R903
R904
R905
R906
R907
R908
R911
R912
R913
R914
R915
R916
R917
R918
R919
R920
R921
R922
R923
R924
R925
R926
R927
R928
R929
R931
R933
R938
R939
R940
R946
R945
R944
R942
R941
R950
R951
R952
R953
R954
R955
R956
R958
R959
R960
R961
R962
R963
R964
R965
R981
R982
X901
D934
D935
D936
D937
D938
IC901
C957
C958
BRN
RED
ORG
YEL
GRN
BRN
RED
ORG
YEL
GRN
C910
D952
FB923
FB922
D954
D953
D956
D955
C916
C923
C909
CN903
CN903
(USB)
1
4
C906
C907
R972 L901
R971
D912
VD902
VD901
R937
FB915
FL900
VACUUM FLUORECSENT DISPLAYS
S906
E
A
D
B
C
1
2
4
3
R2
R1
R3
AUX
J991
MODE
S904
SEEK+ >
LSW901
SEEK– .
LSW902
SOURCE
S903
LED920,922–924,926,927
(RING ILLUMINATION)
4/GP/ALBM+
3/GP/ALBM–
5/BBE MP
LSW908
LSW909
LSW910
LSW911
LSW912
LSW903
DSPL
1/REP
LSW906
MENU
LSW905
IMAGE
LSW904
LIST/CAT
2/SHUF
6/PAUSE
SCRL
OFF
LSW914
LSW913
LSW907
1-872-393-
(11)
11
Z/
ANGLE
1-872-393-
(11)
11
PUSH SOUND/ENTER
(VOLUME)
S906
1-872-395-
(11)
11
D951
G-12
D955
H-6
D956
H-6
IC901
H-7
IC903
A-6
LED920
C-5
LED922
B-5
Ref. No.
Location
D912
H-12
D931
G-10
D932
G-10
D933
G-10
D934
G-10
D935
G-10
D936
G-10
D937
G-9
D938
G-9
• Semiconductor Location
Ref. No.
Location
Ref. No.
Location
LED923
C-4
LED924
C-3
LED926
B-4
LED927
B-3
Q920
I-5
Q921
H-5
Q922
I-5
31
31
CDX-GT81UW/GT860U
CDX-GT81UW/GT860U
5-9. PRINTED WIRING BOARD — BASE PANEL SECTION —
: Uses unleaded solder.
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
B
DISPLAY BOARD CN902
A
MAIN BOARD CN801
S902
CN904
24
23
2
1
S901
RESET
(NOSE DET)
CN905
FMB3
FMB4
1-872-394-
(11)
11
1-872-394-
(11)
11
(Page 24)
(Page 30)
32
32
CDX-GT81UW/GT860U
CDX-GT81UW/GT860U
FB904
FB917
FB918
R951
R953
R955
R962
FB902
FB912
FB913
R950
R956
R958
R982
TP901
TP902
TP903
TP904
TP905
TP911
TP912
TP913
TP914
TP915
FB915
FB914
FB916
R952
R916
Q920
Q921
Q922
R944
R945
R946
R917
R918
R902
R910
R921
R901
R909
R920
R919
R965
R903
R904
R905
R906
R907
R908
R915
R914
R913
R912
R911
FB919
FB922
FB923
C914
C925
D951
R922
R924
R926
R928
R923
R925
R927
R929
R936
R937
R938
R939
R940
R941
R931
R933
R932
R934
R981
C909
L901
VD902
VD901
LSW906(1/2)
LSW903(1/2)
LSW905(1/2)
LSW912(1/2)
LSW904(1/2)
LSW911(1/2)
LSW910(1/2)
LSW909(1/2)
LSW902(1/2)
LSW908(1/2)
LSW901(1/2)
LSW907(1/2)
LSW913(1/2)
S904
LSW915(1/2)
LSW914(1/2)
S903
IC903
C981
C910
C956
R963
R964
C915
C919
R949
D955
R948
D956
C916
FB908
FB905
R959
R954
FB903
FB921
FB920
FB901
C958
C957
JC902
C901
JC907
C923
C906
C907
R971
R972
D931
D932
D933
D934
D935
D936
C903
D937
D938
C904
R942
JR925
JR921
LSW913(2/2)
LSW907(2/2)
LSW909(2/2)
LSW910(2/2)
LSW915(2/2)
LSW914(2/2)
LSW908(2/2)
LSW903(2/2)
LSW912(2/2)
LSW911(2/2)
LSW906(2/2)
LSW905(2/2)
LSW904(2/2)
LSW902(2/2)
LSW901(2/2)
LED920
LED923
LED922
LED926
LED927
LED924
CN902
CN903
CN905
CN904
S906
R3
R1
R2
S902
S901
R960
R961
J991
X901
IC901
D952
D954
D953
FL900
FB911
D912
(Page 29)
5-10. SCHEMATIC DIAGRAM — DISPLAY SECTION —
• Refer to page 23 for Waveforms.
• Refer to page 40 for IC Pin Description of IC901.
• Refer to page 40 for IC Pin Description of IC901.
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