Sony CDX-GT250 / CXS-G2516F Service Manual ▷ View online
17
17
CDX-GT250
CDX-GT250
3-5. PRINTED WIRING BOARDS — CD MECHANISM SECTION — • Refer to page 15 for Circuit Boards Location.
: Uses unleaded solder.
1
A
B
C
D
E
F
G
H
2
3
4
5
6
7
8
9
10
11
12
13
14
X1
X2
SW3
SW2
1-864-903-
FMA4
FMA6
FMA3
FMA5
TP67
TP68
TP70
TP69
TP47
TP48
TP45
TP46
IC6
R6
R43
R35
C16
C70
C14
C29
C30
C68
C133
R10
C132
R16
R14
R15
C17
C72
R20
R5
R26
R147
Q3
R8
R133
R132
Q21
SW1
C66
C67
C48
C10
R27
R17
R81
C46
R33
R44
R23
R22
R58
R9
R62
R61
IC3
R2
R60
C7
R87
R86
R85
R144
R82
R141
R79
R25
R78
R77
R97
R98
R34
FB3
R55
FB2
C56
R24
Q2
IC1
C13
C80
C69
FB4
C18
R12
C71
C55
C54
R7
C31
C24
C15
R30
TP4
TP3
TP5
TP64
FMB3
FMB4
TP11
TP10
TP1
TP6
TP7
TP8
TP9
TP75
TP76
TP77
TP78
TP79
TP80
TP81
TP82
TP83
TP85
TP90
TP89
TP88
TP91
TP92
TP95
TP97
TP99
TP2
FMB5
IC2
TP86
TP87
TP84
TP98
TP14
TP15
TP65
TP61
TP62
TP51
TP71
TP72
TP74
TP63
TP28
TP22
TP21
TP96
TP42
TP43
TP44
TP29
TP34
TP35
TP30
TP12
TP24
TP25
TP31
TP13
TP38
TP41
TP49
TP50
TP53
TP32
TP33
TP36
TP37
TP39
TP52
BP60
TP23
TP26
TP27
BP10
R37
R36
R31
R32
R65
C40
C50
C23
R64
C60
R39
R63
X2
R54
C47
R53
R38
C43
R42
R52
C36
R28
CN2
R96
R41
C20
R84
R40
R83
R80
R75
R74
R69
R70
R73
R72
R71
R67
R68
C22
R57
C26
R21
C39
C62
C58
R13
CN1
R11
C11
C12
C53
C52
C49
C45
C44
C42
C41
C33
C32
C25
C19
R1
R18
R19
R29
C51
X1
16
(Page 20)
Ref. No.
Location
• Semiconductor
Location
IC1
G-2
IC2
B-11
IC3
D-2
IC6
D-2
Q2
C-1
Q3
C-2
Q21
B-4
18
18
CDX-GT250
CDX-GT250
(Page 19)
3-6. SCHEMATIC DIAGRAM — CD MECHANISM SECTION (1/2) — • Refer to page 16 for Waveforms.
R14
R15
IC6
R132
R133
C10
TP21
TP22
TP28
TP29
TP30
TP42
TP45
TP46
C39
R41
R40
R39
R38
R27
R25
R26
R24
R23
R22
TP33
TP32
TP37
TP36
R58
TP39
TP38
TP47
TP48
TP41
TP35
TP34
R42
TP50
TP49
TP23
TP24
TP25
TP26
TP27
TP52
TP31
R7
R10
R17
R18
C14
TP51
R57
R55
TP53
IC2
C12
C13
C17
C56
C54
C24
C55
C51
C50
C53
C47
C49
C46
C22
C20
R28
FB2
FB3
C31
C30
R36
R30
C42
C41
C72
C60
C43
C58
R29 R19
C132
C80
C133
C26
C25
C32
C33
R33
R31
R32
R34
C36
TP43
TP44
C29
C23
C40
R37
Q2
Q3
C15
R43
C44
R44
C45
R53
R52
R54
C18
C48
C52
C19
R13
R12
C16
R16
R11
C11
FB4
CN1
X2
Q21
R35
R20
19
19
CDX-GT250
CDX-GT250
• Refer to page 16 for Waveforms.
• Refer to page 26 for IC Block Diagrams.
• Refer to page 26 for IC Block Diagrams.
3-7. SCHEMATIC DIAGRAM — CD MECHANISM SECTION (2/2) — • Refer to page 28 for IC Pin Descriptions.
IC B/D
R73
R72
R71
R83
TP67
TP68
TP69
TP72
TP63
TP64
TP65
R85
R77
R68
R67
R69
R60
R61
R62
R79
R80
R81
R82
R84
R70
R9
TP15
TP14
TP1
TP2
TP3
TP4
TP5
TP6
TP7
TP8
TP9
TP10
TP11
TP71
TP61
TP62
R63
R64
R65
R21
TP12
TP13
TP13
R141
R147
TP74
TP75
TP75
TP76
TP77
TP77
TP78
TP79
TP80
TP81
TP82
TP83
TP84
TP82
TP83
TP84
TP85
TP86
TP86
TP87
TP88
TP89
TP89
TP90
TP91
TP91
TP92
TP97
TP98
TP98
TP99
BP60
BP10
C69
C70
C68
C66
C62
C71
SW3
SW2
SW4
SW1
M901
M902
M903
C7
IC1
R96
R74
R87
TP70
R75
R97
R98
R8
R5
R6
R2
R1
C67
R78
X1
R86
R144
IC3
CN2
(Page 23)
(Page 18)
20
20
CDX-GT250
CDX-GT250
3-8. PRINTED WIRING BOARD — MAIN SECTION — • Refer to page 15 for Circuit Boards Location.
: Uses unleaded solder.
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
14
S702
RESET
X501
J330
AUDIO OUT
REAR
L
R
J1
(ANTENNA)
9K
10K
FREQUENCY
SELECT
Q478
Q479
Q582
C502
R508
R509
R513
R514
C504
C508
C507
R510
R511
R512
Q664
R517
R528
C413
R405
R406
R407
R409
R408
D1
C6
R2
R3
C501
R503
R582
D580
R609
D609
R632
R634
R633
Q631
R636
Q580
R521
R522
R585
R584
D581
R583
R532
R531
JC753
C343
R674
R671
R672
R534
R756
C755
R752
C7
R479
D479
C770
C769
R1
R536
R535
C404
C405
C756
Q1
R537
FMB3
FMB4
C509
R504
R505
R673
L1
R540
R541
IC401
C510
C512
C513
C514
C516
R544
R507
R545
R546
JC681
R550
R471
R472
Q471
R481
R482
Q481
R461
R451
C763
D719
R4
R5
R556
R518
R557
R558
R563
C617
C618
C764
C765
C751
C750
C602
R568
C12
C13
R410
R411
R301
R302
C306
C308
C309
C310
FB603
FB605
FB604
C771
FB1
FB309
FB305
FB303
FB307
FB308
JC527
C484
C474
JC754
JC755
R533
D512
IC602
D510
D511
R431
Q431
R432
R441
Q441
R442
FB302
FB304
C312
R561
R565
R567
R529
R570
R12
R13
C519
R502
Q461
Q451
R462
R452
JC1
FB310
R401
JC533
R601
D502
R519
D503
JC504
L301
C442
C432
C452
C462
C774
C775
R575
R577
R566
L501
R542
R543
R547
R578
JC756
R539
FB501
FB606
R675
R676
R677
R679
R681
D617
R661
R662
R663
R664
JC501
R757
Q581
R506
R691
R692
IC901
R901
R902
D704
R903
R904
R905
R906
R907
R910
C901
C902
C905
R911
JC795
C917
C918
D903
R912
R913
R914
C776
C410
C411
C435
C455
C465
C445
IC501
FB410
FB411
JW10
JW11
JW12
JW13
JW29
JW101
R631
JW104
JW105
C431
C461
C451
C401
S702
C301
C302
C601
TU1
X502
C758
C441
D757
D759
D760
YEL
D601
C631
JW9
D758
C754
D754
C407
C406
JW1
JW2
JW95
JW96
JW97
C305
JW91
JW115
C471
C481
JW
131
JW
132
D755
D756
C753
C479
C412
C4
C5
C511
C503
D761
D762
S502
JW3
JW109
JW144
JW145
JW146
L601
CNP301
JW142
JW143
JW93
JW16
JW14
JW17
JW56
JW50
CN601
FU601
YEL
JW120
JW
22
JW
118
C622
C623
JW18
JW82
JW
75
JW149
JW45
X501
JW6
JW8
JW137
JW7
JW30
JW99
JW28
JW117
JW62
JW100
JW
66
JW20
JW44
JW88
JW
42
JW5
D753
D752
D751
IC750
JW139
JW
26
JW
71
JW
76
JW80
JW108
JW54
JW89
JW
103
JW
69
JW
40
JW
67
JW
68
JW
74
JW
133
JW154
JW155
JW70
JW83
JW121
JW122
JW21
JW164
JW148
JW15
JW
24
JW
23
JW
25
JW153
JW106
JW156
JW32
JW31
JW
49
JW
48
JW
51
JW
52
JW
127
JW119
JW65
JW87
JW
58
JW
63
JW
163
JW
141
JW140
JW
160
JW161
JW
162
JW81
JW129
JW130
JW150
JW72
JW124
JW
166
JW
167
JW123
JW
165
JW168
JW
94
JW
169
JW111
JW39
JW92
JW138
JW27
CN701
C903
JW90
1-868-117-
31
(31)
(Page 17)
(Page 24)
Ref. No.
Location
• Semiconductor Location
D1
F-3
D479
E-6
D502
I-7
D503
I-5
D510
H-8
D511
F-6
D512
H-8
D580
F-11
D581
F-11
D601
C-10
D609
D-8
D617
C-9
D719
I-4
D751
D-7
D752
D-7
D753
D-7
D754
D-7
D755
C-5
D756
C-6
D757
C-6
D758
C-6
D759
D-8
D760
D-8
D761
C-9
D762
D-9
D903
I-3
IC401
E-3
IC501
H-6
IC602
I-9
IC750
B-6
IC901
H-2
Q1
F-2
Q431
B-4
Q441
B-4
Q451
C-4
Q461
D-4
Q471
B-3
Q478
E-6
Q479
E-5
Q481
C-3
Q580
F-11
Q581
I-10
Q582
I-10
Q631
H-10
Q664
I-7
Ref. No.
Location
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