Sony CDX-GT23 Service Manual ▷ View online
CDX-GT23
CDX-GT23
21
21
IC B/D
C631
C754
R752
C753
C601
R634
R633
R632
R631
D751
D752
D753
D754
D755
D756
D757
D758
D617
C624
D609
C751
C750
JC754
JC755
C775
C765
JC753
C755
C756
C776
C771
C770
C769
C764
C774
C617
C602
C763
IC750
C622
JC625
R609
D760
D601
CN601
D762
Q631
FU601
JC795
JC796
JC681
JW52
L601
5-5. SCHEMATIC DIAGRAM – MAIN Section (2/3) –
• See page 26 for IC Block Diagrams.
(Page 20)
(Page 22)
CDX-GT23
CDX-GT23
22
22
FB303
C511
FB606
FB302
R57
0
C305
R508
JC533
CN701
R518
FB309
C503
R671
R757
FB307
R542
FB310
FB605
D511
R547
R681
R677
R50
6
R537
R531
R674
R636
R578
JC527
R302
R301
R539
R676
R675
R566
R563
R533
R519
R557
R534
R544
R575
R512
R510
R662
R664
R53
2
R661
R663
R521
R502
R503
R505
R673
R504
R565
R567
R561
R543
R517
R535
R601
R585
R584
R582
R583
D503
D512
JW125
R524
R525
R550
R551
R573
R69
4
X502
JC501
C343
C312
C306
FB305
L301
C510
L501
C504
FB501
C509
C501
C513
C523
C519
JC20
Q580
D581
Q581
Q582
D510
IC501
C720
D719
IC602
C758
R540
R541
R679
R692
R556
C522
C516
C514
C512
JC504
R522
R509
R527
R756
R577
R513
R514
R511
R672
R559
JW86
R536
R691
FB308
R528
C308 C302
C309
C310
C301
CNP301
X501
Q664
C508
C507
FB604
FB304
FB20
D580
5-6. SCHEMATIC DIAGRAM – MAIN Section (3/3) –
• See page 18 for waveforms. • See page 27 for IC Pin Function Description of IC501.
(Page 20)
(Page 21)
(Page24)
CDX-GT23
CDX-GT23
23
23
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
9
10
11
12
13
14
R903
R902
S902
LED943
R948
R943
R944
R905
S903
S904
R907
R909
R910
LED944
LED945
R908
R945
R946
R947
R916
R953
R955
S901
LED941
LED931
R942
LSW901
LSW904
LSW902
LSW903
LSW905
LSW906
LSW907
LSW908
LSW909
LSW910
LSW911
LSW912
CN901
R911
R91
2
R913
R914
R91
5
D903
R931
R932
R933
FB903
FB902
FB901
C987
R981
R982
D981
C985
C986
R987
R984
R985
R98
6
C983
C984
R93
4
R935
R921
R922
IC901
C98
1
R954
R901
R904
R949
R950
R951
R952
R977
R978
R979
R988
R941
D982
D991
D992
D993
J901
AUX
R976
R983
R980
R989
D990
RE901
J901
LED941,
S901
LED945,
S904
LSW906
LSW905
LSW907
LSW908
LSW909
LSW910
LSW911
LSW912
RE901
A
MAIN BOARD CN701
LIQUID CRYSTAL DISPLAY PANEL
OFF
EQ
LSW901
PTY
LSW902
LSW904
LSW903
3/REP
4/SHUF
1/ALBM–
2/ALBM+
5
6/PAUSE
AF/TA
1-871-017-
1-871-017-
(31)
31
(31)
31
PUSH SELECT
(VOLUME)
LED943,
S902
LCD901
SOURCE
LED944,
S903
LED931
(LCD BACK LIGHT)
DSPL
MODE
N
SEEK–
.
SEEK+
;
(Page 19)
5-7. PRINTED WIRING BOARD – KEY Section –
•
: Uses unleaded solder.
D903
G-11
D981
H-10
D982
H-10
D990
G-11
D991
G-9
D992
G-9
D993
G-9
IC901
G-8
LED931 C-13
LED941 A-14
LED943 A-1
LED941 A-14
LED943 A-1
LED944 B-4
LED945 C-5
Ref. No. Location
• Semiconductor Location
Ref. No. Location
CDX-GT23
CDX-GT23
24
24
R979
R978
R977
R982
R986
R985
R984
R981
FB901
R933
R931
R932
R943
R948
R944
R903
R904
R907
R947
R908
R909
D993
R913
R949
R912
R915
R911
R914
R952
R950
R954
R951
R953
R910
CN901
R946
R945
R902
R916
R935
R934
D992
R901
R942
R941
D991
R955
D903
FB902
R976
R980
R983
R980
R983
D990
S901
S902
S903
LSW901(1/2)
LSW903(1/2)
LSW904(1/2)
S904
LSW905(1/2)
LSW906(1/2)
LSW907(1/2)
LSW908(1/2)
LSW909(1/2)
LSW910(1/2)
LSW911(1/2)
LSW912(1/2)
LSW902(1/2)
R922
R921
FB903
C981
C983
C984
C984
R989
R988
C987
C986
C985
R987
D98
2
D98
1
J901
LCD901
R905
LSW902(2/2)
LSW901(2/2)
LSW904(2/2)
LSW903(2/2)
LSW905(2/2)
LSW906(2/2)
LSW907(2/2)
LSW910(2/2)
LSW909(2/2)
LSW908(2/2)
LSW912(2/2)
LSW911(2/2)
RE901
LED931
LED941
LED943
LED944
LED945
IC901
(Page 22)
5-8. SCHEMATIC DIAGRAM – KEY Section –
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