Sony CDX-GT25 Service Manual ▷ View online
CDX-GT25
CDX-GT25
17
17
IC B/D
IC B/D
C406
C407
C407
CN701
R151
R152
R155
L1
C6
L7
L8
X1
C8
JC151
JW104
C431
C451
C441
C461
R431
R451
R441
R461
R432
R452
R442
R462
R401
C481
C471
R482
R472
R1
R11
C28
R13
R14
R14
R10
R4
R5
C464
C454
Q461
Q451
Q441
Q431
C708
C707
C706
C705
C551
FB401
FB402
C17
C16
C13
C12
C5
L6
C1
C19
C20
C21
C22
C23
C24
C25
C24
C25
R12
C27
C26
L151
C154
C155
C157
C452
C462
C465
C455
R2
C18
R6
C405
C412
C413
R153
R154
C719
C709
J1
R481
R471
Q481
Q471
IC402
D703
D704
D719
D153
D155
C408
C409
C404
C9
IC1
FB1
R3
FB2
L4
L3
L2
C3
VDR1
JW105
C2
J330
D156
C152
C151
C153
JC498
C401
JC499
R499
• See page 14 for waveform. • See page 22 for IC Block Diagrams.
4-5. SCHEMATIC DIAGRAM – MAIN Section (2/3) –
(Page 16)
(Page 18)
(Page 20)
CDX-GT25
CDX-GT25
18
18
R671
R672
R673
R512
R511
C305
C302
R570
X502
R513
R514
R532
R550
R505
R504
R522
R521
R567
R565
R578
R661
R662
R663
R664
R542
JC301
JC303
R516
R530
R501
R500
R756
R301
R302
R509
R503
R502
R533
R519
R539
R543
R675
R676
R677
R526
R529
FB311
C312
FB308
FB312
C306
FB304
C308
JW83
JW67
S502
C514
C512
C512
C501
C513
C509
C510
C504
C521
C520
JW69
R507
R556
R636
R531
R534
R563
R517
R561
R508
D502
R510
JC501
C309
C310
JC302
C343
C301
R528
X501
CNP301
FB309
D510
D512
R679
JC533
R535
R547
R536
C508
C507
JC521
R674
R506
C523
C522
R546
R574
R537
R690
IC501
• See page 14 for waveforms. • See page 24 for IC Pin Function Description of IC501.
4-6. SCHEMATIC DIAGRAM – MAIN Section (3/3) –
(Page 16)
(Page 17)
CDX-GT25
CDX-GT25
19
19
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
LED944
3
4
5
2
1
LIQUID CRYSTAL DISPLAY PANEL
IC971
OFF
EQ3
LED941,
S901
LSW913
SEEK+
SEEK–
LSW903
DSPL
/SCRL
3/REP
4/SHUF
LSW909
LSW908
LSW907
LSW905
2/ALBUM+
LSW906
1/ALBUM–
BTM
LSW904
LSW914
MODE
5
6/PAUSE
LSW911
LSW910
1-877-026-
1-877-026-
(21)
21
(21)
21
PUSH SELECT
(VOLUME)
RE901
LSW901
AUX
J901
LSW902
LCD901
LSW912
SOURCE
LSW903
LED931
LSW902
LSW906
S901
LSW901
LSW904
LED941
R975
C971
LSW912
R944
R905
R904
R907
R908
LSW908
R902
LSW909
LSW910
R942
LSW911
LSW905
LSW907
R915
R954
R953
LSW913
R947
R941
LSW914
37
C990
R946
C921
C922
R922
R921
R921
R982
R974
D981
R981
FB903
D993
R933
R931
R932
R909
D992
R913
R949
R914
R952
R950
D991
D994
R910
CN901
R901
R992
D903
R948
R943
R903
R945
D985
D986
C999
R979
R978
R977
C986
D982
R984
R987
Q931
R934
C983
C984
R912
R951
C987
R988
R986
R911
R985
C981
J901
RE901
>
M
m
.
Z
LED931
(LCD BACK LIGHT)
1
2
3
4
R935
IC971
IC901
•
: Uses unleaded solder.
4-7. PRINTED WIRING BOARD – KEY Section –
(Page 15)
CDX-GT25
CDX-GT25
20
20
R901
R902
R903
R904
R907
R908
R909
R911
R910
R912
R913
R914
R915
R981
R982
D982
CN901
R943
R944
R932
R933
R931
R949
R950
R954
R945
R953
R948
R947
R975
R974
D903
D981
D991
D992
D993
D986
D985
R977
R979
R978
R988
R992
FB903
C999
C922
C921
R922
R921
LSW901(1/2)
LSW902(1/2)
LSW903(1/2)
S901
LSW913(1/2)
LSW914(1/2)
LSW904(1/2)
LSW905(1/2)
LSW906(1/2)
LSW907(1/2)
LSW908(1/2)
LSW909(1/2)
LSW910(1/2)
LSW911(1/2)
LSW912(1/2)
R905
R946
C971
C981
C987
C986
C983
C984
C984
R984
R985
R986
R985
R986
R987
C990
LSW902(2/2)
LSW901(2/2)
LSW912(2/2)
LSW913(2/2)
LSW903(2/2)
LSW914(2/2)
LSW904(2/2)
LSW905(2/2)
LSW906(2/2)
LSW909(2/2)
LSW908(2/2)
LSW907(2/2)
LSW910(2/2)
LSW911(2/2)
IC971
LCD901
J901
LED931
R934
Q931
IC901
RE901
R935
LED944
R941
R942
LED941
R951
R952
D994
4-8. SCHEMATIC DIAGRAM – KEY Section –
(Page 17)
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