Sony CDX-S2050C / CDX-S2050V Service Manual ▷ View online
21
21
CDX-S2050C/S2050V
CDX-S2050C/S2050V
3-8. SCHEMATIC DIAGRAM – MAIN BOARD (2/4) –
•
See page 29 for IC Block Diagram.
IC B/D
L601
D651
JC756
D617
D751
D752
D753
D754
D755
D756
D757
D758
C753
R752
C758
C760
C752
C754
C776
C751
JC754
JC753
C763
C775
C765
C764
C774
C617
C618
C602
C601
IC750
C750
JC755
D601
CN601
C755
FU601
C770
C769
D763
D764
D759
D760
D761
D762
R651
R609
(Page 20)
(Page 23)
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22
CDX-S2050C/S2050V
CDX-S2050C/S2050V
3-9. SCHEMATIC DIAGRAM – MAIN BOARD (3/4) –
•
See page 16 for Waveforms.
•
See page 32 for
IC Pin Descriptions.
R636
R673
C305
C302
R674
R535
R536
FB301
FB302
X502
JC536
R551
R537
R573
R571
R560
R528
JC534
R505
R504
R563
R544
R522
R521
JW
46
R565
JW55
R575
JW107
JW86
JW125
R680
R503
R533
C503
R572
R531
R517
R518
R519
C307
C306
R515
R516
C308
FB304
C507
C510
L501
C504
C502
C509
JC501
C514
C501
C513
C516
R559
R530
C511
R564
R543
R567
D501
R561
JC503
R671
C512
JC504
R534
R513
R514
R577
C531
C303
CNP301
D502
Q664
C508
X501
FB501
IC501
L301
R508
R509
R566
R562
JC505
R548
R550
C756
R756
FB303
FB305
FB306
C301
C343
FB310
FB311
R302
FB307
FB307
R301
R525
R524
R539
R675
R676
R527
R526
R677
R681
R523
R570
R557
R532
JW34
JW
35
JW
38
R511
R
512
R510
R502
R501
R672
R529
(Page 23)
(Page 20)
(Page 18)
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CDX-S2050C/S2050V
CDX-S2050C/S2050V
3-10. SCHEMATIC DIAGRAM – MAIN BOARD (4/4) –
R633
R632
R634
R654
R652
R583
R582
C623
JC681
JW98
JW53
C622
R585
CN701
R584
C631
FB605
D701
D702
FB606
R601
C519
FB604
R631
JC581
FB603
Q581
Q582
Q580
D581
D580
D609
R653
JC506
R540
R541
R703
D719
S702
IC602
Q651
C759
J561
Q631
C761
C771
FB563
FB562
FB561
R706
R707
R705
(Page 21)
(Page 22)
(Page 25)
(Page 27)
24
24
CDX-S2050C/S2050V
CDX-S2050C/S2050V
1
A
B
C
D
E
F
G
H
2
3
4
5
6
7
8
9
10
11
12
13
14
R907
R909
R910
IC971
1-864-521-
11
1-864-521-
11
LSW911,
LED942
LSW910,
LED941
SEEK
LSW910
LSW911
LED942
LSW906
LSW905
LSW906
VOL
SOURCE
MODE
DSPL/DIM
SENS/BTM
1
2
3/REP
4/SHUF
5
6
PTY
AF/TA
OFF
ATT
EQ3
LSW904
LED952
(DISC-L)
LSW904
LSW903
LSW907
LSW921
LSW920
LSW919
LSW918
LSW917
LSW916
LSW915
LSW914
LSW913
LSW912
LSW902
IC971
LSW909
LED941
LSW908
R908
R924
R957
R960
R951
R953
R953
R954
R949
R952
R943
R944
R950
52
40
30
10
1
20
50
R939
R940
R935
R937
JP936
R936
R938
JP935
R925
R926
R927
R928
R929
R930
R931
LSW905
LSW901
LSW901
LED951
(DISC-R)
LCD901
LIQUID CRYSTAL DISPLAY PANEL
LED931
LED932
(LCD BACK LIGHT)
(LCD BACK LIGHT)
R956
R973
R955
R921
R923
R922
R933
R911
R912
R913
R914
R915
R942
R916
R946
R945
R917
R918
R919
R901
R902
R934
R903
R904
R906
IC901
R972
C971
R974
R932
R976
R977
R978
R979
D901
R981
R982
D981
C981
C982
R983
R984
R985
R986
R941
R987
C983
C984
C985
D902
D982
Q921
Q991
Q992
R947
R948
R905
R967
R961
CN901
B1
MAIN
BOARD
CN701
R962
R963
FMB4
FMB3
C986
JP961
R959
R958
3-11. PRINTED WIRING BOARD – KEY BOARD (S2050C) –
•
See page 15 for Circuit Boards Location.
: Uses unleaded solder.
(Page 19)
Ref. No.
Location
• Semiconductor Location
Ref. No.
Location
D901
G-11
D902
G-11
D981
G-6
D982
G-10
IC901
G-8
IC971
D-14
LED931
C-12
LED932
C-4
LED941
B-14
LED942
C-14
LED951
A-12
LED952
A-3
Q921
G-4
Q991
G-5
Q992
G-5
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