Sony CDX-GT225C Service Manual ▷ View online
21
21
CDX-GT225C
CDX-GT225C
IC B/D
C479
C602
C618
C617
C432
C452
C442
C462
C755
C751
JC753
C771
C769
C764
C765
C750
JC754
JC755
C775
C774
C435
C455
C445
C465
JW111
C601
R479
C753
R752
C758
C754
R652
C756
Q478
Q479
R651
D601
C776
CN601
FU601
C763
C770
D479
D751
D752
D753
D754
D755
D756
D757
D758
D759
D760
D761
D762
D651
D617
L601
IC750
(Page 20)
(Page 23)
(Page 22)
5-5. SCHEMATIC DIAGRAM – MAIN Section (2/4) –
• Refer to page 26 for IC Block Diagram.
22
22
CDX-GT225C
CDX-GT225C
R636
R673
R510
C343
R674
R570
C306
C310
C309
C312
C508
C507
R513
R514
C504
R534
R557
R532
R550
R551
C510
D511
C513
R505
R504
C509
R563
R544
C516
C501
R565
C550
R506
JC510
JW86
JW125
R578
R679
C522
R690
R542
R547
R756
R503
R502
R533
R531
R517
R519
R566
R539
R675
R676
R677
R575
R692
R535
R536
R564
C305
C308
C302
C301
R528
R559
R572
R527
C511
R509
R573
R537
R694
C503
R512
R511
C512
R567
R561
R543
JC504
C523
R663
R661
R522
R521
R662
R664
Q664
R302
R301
CNP301
X501
D510
X502
D512
R529
R672
D502
C514
R671
JC533
IC501
R525
R523
D501
C502
(Page 20)
(Page 21)
(Page 23)
5-6. SCHEMATIC DIAGRAM – MAIN Section (3/4) –
• Refer to page 18 for Waveforms.
• Refer to page 27 for IC Pin Description of IC501.
• Refer to page 27 for IC Pin Description of IC501.
23
23
CDX-GT225C
CDX-GT225C
R633
R632
R631
R634
R583
C623
JW53
CN701
R153
R151
R152
C155
C154
R155
JW140
C622
R584
C631
C519
R601
C151
C152
C153
R540
R541
JC681
R654
R653
Q582
R585
Q581
L151
R154
IC602
Q631
Q580
FB604
D580
D581
D719
Q651
R582
C157
D704
D153
J561
(Page 20)
(Page 21)
(Page 22)
(Page 25)
5-7. SCHEMATIC DIAGRAM – MAIN Section (4/4) –
24
24
CDX-GT225C
CDX-GT225C
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
9
10
11
12
13
14
A
MAIN BOARD CN701
1
37
LIQUID CRYSTAL DISPLAY PANEL
IC971
OFF
EQ3
LSW901
LSW904
.m
SEEK–
M >
SEEK+
LSW903
LED871–873,951–953
(RING ILLUMINATION)
3/REP
4/SHUF
LSW909
LSW908
LSW907
LSW905
AF/TA
/PTY
2
1
LSW906
5
6/PAUSE
LSW911
LSW910
1-874-378-
1-874-378-
(21)
21
(21)
21
PUSH SELECT
(VOLUME)
RE901
LED861,941,
S901
AUX
J901
Z
LED862,942,
S902
LED943
S902
LED931
S903
S901
LED942
LED862
LED953
LED872
LED951
LED871
LED952
LED873
LED944
LED864
LED865
LED945
R975
C971
R943
R863
R863
R948
R944
R905
R881
R864
R946
R866
LCD901
R945
R865
R902
R901
IC971
1
2
4
3
LSW910
LSW909
LSW908
LSW907
LSW906
LSW905
LSW903
LSW902
LSW902
DSPL
SOURCE
LED864,944,
S903
LSW904
LSW901
S904
LED941
LSW911
LED931
(LCD BACK LIGHT)
R979
R978
D997
R977
R982
C986
R974
C983
D982
C984
R986
R985
R984
D981
R981
R987
C981
FB903
D993
R933
R931
R932
R903
R868
Q932
R972
R882
R904
R907
Q991
Q992
R867
R947 R908
R909
D998
R913
R872
R949
R869
R912
R911
R914
R952
R950
D991
D994
R951
R870
R871
IC901
R910
CN901
R971
C987
R988
R934
R942
R941
R862 R861
R953
R874
R873
R954
R915
D903
D992
J901
RE901
MODE
LED865,945,
S904
3
4
5
2
1
LED861
(Page 19)
D997
G-10
D998
G-10
IC901
G-8
IC971
D-14
LED861
B-13
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
LED862
A-2
LED864
B-5
LED865
C-5
LED871
B-3
LED872
C-3
LED873
C-4
LED931
C-13
Ref. No.
Location
LED941
B-13
LED942
A-1
LED944
B-4
LED945
C-4
LED951
B-3
LED952
C-4
LED953
C-3
Q932
G-10
Q991
G-5
Q992
G-5
Ref. No.
Location
Ref. No.
Location
5-8. PRINTED WIRING BOARD – KEY Section –
: Uses unleaded solder.
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