Sony CDX-L380X (serv.man2) Service Manual ▷ View online
1
AEP Model
UK Model
SERVICE MANUAL
Ver 1.1 2003. 06
SUPPLEMENT-1
File this supplement with the service manual.
Subject : Change of Main Board
CDX-L380X
9-874-229-81
(ENG-03006)
When performing service and inspection, check the suffix of the part number of
the main board.
the main board.
1. DISCRIMINATION
MAIN Board Part No.
Former :1-680-857-31
New :1-688-051-11
Former :1-680-857-31
New :1-688-051-11
– MAIN BOARD (COMPONENT SIDE) –
2
CDX-L380X
TABLE OF CONTENTS
1. Printed Wiring Board –Main Section– .................................... 3
2. Schematic Diagram –Main Section (1/2)– .............................. 4
3. Schematic Diagram –Main Section (2/2)– .............................. 5
4. Electrical Parts List .................................................................. 6
2. Schematic Diagram –Main Section (1/2)– .............................. 4
3. Schematic Diagram –Main Section (2/2)– .............................. 5
4. Electrical Parts List .................................................................. 6
• (
) : Refer to page of Supplement-1.
• (( )) : Refer to page of Service Manual.
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
for schematic diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
%
: indicates tolerance.
•
f
: internal component.
•
C
: panel designation.
•
A
: B+ Line.
• Power voltage is dc 14.4V and fed with regulated dc power
supply from ACC and BATT cords.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
f
: MW
J
: CD
for printed wiring boards:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
•
a
: Through hole.
•
: Pattern from the side which enables seeing.
(The other layer’s patterns are not indicated.)
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)
Pattern face side: Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side: Parts on the parts face side seen from the
(Side A)
(Side A)
parts face are indicated.
32.768kHz
IC501
qh
(XOUT)
• Waveforms
— Main Board —
— Main Board —
1
2
3
18.432MHz
IC501
qs
(OSCOUT)
5.2Vp-p
4.332MHz
IC51
4
(OSCO)
5.2Vp-p
3.6Vp-p
3
3
CDX-L380X
1. PRINTED WIRING BOARD — MAIN SECTION — • Refer to page 2 for Common Note on Printed Wiring Boards.
((Page 24))
((Page 19))
D718
I-2
IC20
H-2
IC51
H-4
IC401
E-3
IC404
B-6
IC501
H-7
IC601
F-10
IC602
H-9
Q21
H-1
Q22
H-3
Q331
E-10
Q332
I-10
Q333
H-6
Q341
D-10
Q431
C-4
Q441
C-4
Q451
C-3
Q461
C-3
Q478
D-5
Q479
D-5
Q551
G-10
Q556
D-10
Q557
H-7
Q631
D-8
Q651
D-7
Q661
H-10
Q662
I-10
Q664
I-9
Ref. No.
Location
D21
H-2
D22
H-2
D23
H-2
D331
I-10
D332
H-6
D341
F-7
D471
C-6
D472
C-7
D473
C-6
D474
C-6
D475
C-6
D476
C-7
D477
D-6
D478
D-8
D479
D-6
D551
D-10
D556
D-10
D601
C-9
D609
D-9
D611
E-9
D612
G-10
D613
G-10
D614
D-9
D621
G-10
D701
I-3
D710
J-2
D711
I-2
D715
I-3
D716
I-2
D717
I-2
• Semiconductor Location
Ref. No.
Location
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
14
IC501
Q631
D479
IC20
IC51
Q431
Q441
IC401
D21
D22
Q21
Q22
D716
D717
D718
D715
Q332
D332
D23
D710
D341
D331
Q478
Q479
D551
D556
D701
Q664
D609
Q651
Q662
Q333
R609
R632
R672
R673
R551
R556
R661
R503
R502
R504
R505
R506
R524
R511
R510
R512
R514
R517
R516
R515
R508
R529
R530
R501
R52
R702
R701
R710
R711
R26
R25
R24
R28
R29
R22
R21
R60
R53
R54
R57
R56
R403
R41
R32
R31
R444
R454
R434
R464
R463
R453
R441
R461
R451
R431
R432
R442
R472
R653
R479
R654
R652
R651
R633
R634
R525
R527
C602
C617
C331
C506
C504
C505
C511
C501
C55
C54
C57
C53
C52
C61
C62
C58
C63
C25
C27
C28
C29
C23
C22
C21
C59
C56
C404
C17
C42
C41
C33
C32
C31
C15
C11
C406
C402
C471
C463
C453
C332
R27
R507
R636
Q
341
R520
R521
R443
C433
C442
R660
R433
C64
C803
R519
R474
C529
Q551
Q557
R555
R557
R471
R674
C805
C403
C477
R522
R452
R462
Q451
Q461
C618
C465
C455
JC601
JC801
C806
C407
C342
C343
C464
C454
C512
C513
C802
JC471
C434
C444
JC472
C621
JC473
JC602
C26
C24
R23
C344
Q556
R671
R528
R526
R473
D621
R509
JC474
IC602
1
2
3
Q661
R301
R302
JC301
JC475
C661
D711
IC404
CNP601
L500
C601
Q331
C302
CNP301
TU10
C51
C401
C510
X501
X502
X51
C14
C303
J10
C16
C631
S702
C412
C431
C441
C451
D601
C305
CN701
IC601
C461
C411
JW
22
JW
21
JW
20
JW
58
JW
79
JW
78
JW95
JW85
JW
83
JW
46
JW
47
JW
133
JW
134
JW
135
JW
136
JW7
JW158
JW
35
JW59
JW61
JW60
JW143
JW52
JW51
JW50
JW49
JW
1
JW140
JW
116
JW
115
JW
108
JW109
JW99
JW
82
JW
106
JW
70
JW
65
JW
45
JW
18
JW
17
JW
13
JW
38
JW40
JW39
JW29
JW28
JW6
JW
10
JW
9
JW24
JW26
JW25
JW
131
JW
55
JW
80
JW
81
JW107
JW
110
JW
67
JW
66
JW
44
JW
43
JW
34
JW
36
JW102
JW103
JW
69
JW
63
JW
64
JW8
JW27
JW
2
JW
132
JW23
JW
124
JW
123
JW
122
JW84
JW90
JW77
JW118
JW117
JW
125
JW
130
JW16
JW
33
JW
32
JW41
JW
42
JW53
JW54
JW
68
JW
105
JW11
C405
JW126
JW127
F901
JW
160
JW141
JW
62
C612
C613
C614
C611
J401
JW
73
JW
74
JW5
JW142
C473
R665
R664
R663
R662
D471
D472
D473
D474
D612
D613
D611
D614
R342
R331
R638
JW15
JW14
C474
C479
D478
D476
JW76
JW92
JW30
JW
162
C622
JW
112
JW
113
JW
114
JW100
JW
128
JW86
JW
163
JW
164
JW
165
JW119
JW
129
D477
D475
JW120
JW87
JW75
JW144
JW89
JW97
JW98
JW91
JW94
JW93
JW104
JW101
C301
C475
JW
137
4
4
CDX-L380X
IC B/D
IC B/D
R530
C529
R529
R503
C11
C14
C15
C16
C63
R52
C331
C332
C305
C302
X51
R53
C56
R56
R57
C57
R60
C62
C51
C64
CNP301
C303
Q331
C42
R41
C41
R31
R24
C31
C32
R32
R25
C22
R21
C21
C25
R27
C27
C26
R29
C28
R28
R528
R525
R527
R526
R512
R514
R515
R516
R517
C412
C411
C406
C405
IC401
C403
C404
R511
R501
C501
C504
X502
R504
R505
R506
R510
R507
C401
C402
R520
R508
R521
C53
C52
C61
C59
C58
R22
C33
J10
C17
C506
Q332
R403
C24
R23
R26
IC20
JC801
C802
R54
C54
C55
C803
C407
R434
R454
R444
R464
JC301
C301
R471
C513
C505
R522
TU10
C29
C806
R502
C512
R519
IC501
C23
Q21
D22
D21
IC51
Q22
C344
R302
R301
C343
C342
D341
R342
D331
D332
Q333
R331
Q341
C511
C510
X501
R509
Q664
D23
R524
2. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) — • Refer to page 2 for Waveforms and Common Note on Schematic Diagram.
Note:
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
(
no mark : FM
(
) : MW
<
> : CD PLAY
((Page 20))
(Page 5)
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