DOWNLOAD Sony DAV-EA20 / HCD-EA20 Service Manual ↓ Size: 9.72 MB | Pages: 101 in PDF or view online for FREE

Model
DAV-EA20 HCD-EA20
Pages
101
Size
9.72 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
dav-ea20-hcd-ea20.pdf
Date
PREV: Sony DAV-EA20 Service Manual

Sony DAV-EA20 / HCD-EA20 Service Manual ▷ View online

49
49
HCD-EA20
6-19. PRINTED WIRING BOARD  – I/O SECTION –   • See page 27 for Circuit Boards Location.
• 
 : Uses unleaded solder.
• Semiconductor
Location
Ref. No.
Location
D291
B-4
IC101
C-3
IC106
C-8
IC111
B-3
IC121
E-2
IC151
B-8
IC251
C-2
IC252
D-8
IC291
B-3
Q103
D-3
Q112
C-3
Q121
E-3
Q122
D-3
Q123
D-2
Q203
D-3
Q212
C-3
Q221
E-2
Q251
E-1
Q252
E-2
Q291
B-4
IC151
IC106
IC252
IC291
IC111
IC101
IC251
IC121
E
E
E
1
3
4
6
E
E
E
E
E
E
E
E
TUNER
UNIT
T O
D M B 0 3
B O A R D
C N 1 0 5
( P a g e   3 7 )
T O
A M P
B O A R D
C N 3 0 3
( P a g e   5 2 )
T O
U C O M
B O A R D
C N 6 3 1
( P a g e   4 7 )
VIDEO
S VIDEO
(DVD ONLY)
VIDEO
1
2
A
B
C
D
E
F
G
H
3
4
5
6
7
8
9
50
50
HCD-EA20
6-20. SCHEMATIC DIAGRAM  – I/O SECTION (1/2) –
C215
C101
C102
C105
C111
C112
C113
C114
C121
C122
C123
C124
C126
C129
C131
C202
C211
C212
C213
C214
C221
C222
C223
C224
C227
C292
C294
C295
C296
C297
C298
CN102
CN104
FB121
FB221
IC291
Q103
Q203
Q291
R113
R141
R142
R213
C135
C128
C228
C132
C133
C103
C104
C136
C293
R149
C225
C125
J101
J102
Q112
Q221
Q121
Q212
IC111(2/2)
IC111(1/2)
IC121
Q122
Q123
IC101
C226
R122
R124
R224
R226
R126
R222
R127
R227
R225
R125
R240
R239
R223
R140
R139
R121
R221
R111
R109
R209
R114
R214
R116
R216
R117
R217
R118
R218
R119
R219
R120
R220
R107
R207
R206
R105
R106
R205
R204
R104
R103
R102
R131
R229 R231
R146
R145
R144
R143
R236
R235
R234
R134
R135
R232
R233
R133
R132
R237
R238
R137
R138
R295
R296
R294
R297
C299
D291
R293
R292
R291
C115
R123
R192
C192
C191
R150
R147
R203
R202
C201
C216
C116
R211
R215
R115
C229
CN101
R136
C127
R228
R230
R130
R128
R129
X291
10
50V
22
25V
22
25V
10
50V
10
50V
0.0012
50V
0.0022
50V
10
50V
0.001
50V
220p
50V
22
25V
0.015
16V
3300p
50V
22
25V
22
25V
10 50V
0.0012
50V
0.0022
50V
10
50V
0.001
50V
220p
50V
22
25V
22
25V
9P
11P
4.7UH
4.7UH
2SC2412K-T
-146-QR
2SC2412K-T
-146-QR
100k
100k
10000p
1 10V B
1 10V B
0.1
25V
F
0.1
25V F
0.1
25V
F
0.1
25V
F
10000p
0
22 25V
22 25V
DTC343TK
-T-146
2SC2412K
-T-146-QR
2SC2412K
-T-146-QR
DTC343TK
-T-146
NJM4580E(TE2)
NJM4580E(TE2)
MC14052BDR2
DTC124EKA
-T146
DTC124EKA
-T146
NJM4580E(TE2)
0.015
3.3k
100k
100k
100k
100k
3.3k
100k
100k
100k
100k
3.3k
10k
47k
3.3k
10k
100k
100k
1k
1k
1k
2.2k
2.2k
10k
10k
2.2k
2.2k
560
560
6.8k
6.8k
2.2k
2.2k
1k
1k
100k
47k
100k
47k
4.7k
4.7k
2.2k
470
10k
33k
10k
100
100
100
100
2.2k
470k
330
330
470k
33k
6.8k
6.8k
33k
10k
10k
100
100
22
25V
47k
75
220p
220p
0
0
2.2k
470
22 25V
0.1
25V
F
0.1
25V
F
1k
3.3k
3.3k
(GND)
(GND)
3300p
50V
2.2k
22
25V
33k
10k
10k
33k
33k
0
0
22 25V
22 25V
4.7
50V
0.01
25V
51p
50V
56p
50V
47
16V
330p
50V
BU1924F-E2
2SC2412K-T
-146-QR
560p 50V
4.7k
470k
100k
270
0.1
UDZSTE-174.3B
4.332MHz
1k
47k
68k
17P
51
51
HCD-EA20
6-21. SCHEMATIC DIAGRAM  – I/O SECTION (2/2) –
C153
C258
R251
R171
R172
R173
C169
R191
C273
JW251
JW254
JW253
C170
C142
C143
C144
C160
C161
C159
C157
L251
C154
C152
C256
C164
L152
C257
C252
C151
CN103
C141
FB151
C145
C155
J251
J171
C171
C272
C269
R261
R262
Q251
Q252
R263
C162
IC252
IC251
IC106
IC151
C156
R151
R153
C254
C255
C168
R255
R256
R257
C266
C268
C163
C158
0.1
25V
F
0.01
25V
0
10
50V
75
1/10W
0.1
25V
F
0.1
F
22p
22p
22p
10
50V
0.1
25V
F
0.1
25V
F
0.1
25V
F
100
16V
10
50V
10 50V
10 50V
22 25V
1000 6.3V
10
50V
15P
0.1
F
0UH
0.1
F
100 16V
220p
220p
0.1
10k
10k
DTA114EKA
-T146
DTC114EKA
-T146
1k
0.1
MM1568AJBE
MM1510XNRE
NJM2285V-TE2
NJM2235V(TE2)
0.1
10k
10k
100
16V
0.1
25V
F
0.1
25V
F
75
75
75
1000 6.3V
1000 6.3V
10 50V
0.1
25V F
1k
1k
0
52
52
HCD-EA20
IC401
IC953
IC952
IC951
IC911
IC301
IC521
IC522
IC502
IC552
IC501
IC551
T O
U C O M
B O A R D
C N 6 5 2
( P a g e   4 7 )
T O
U C O M
B O A R D
C N 6 5 1
( P a g e   4 7 )
T O
U C O M
B O A R D
C N 6 2 1
( P a g e   4 7 )
T O
I / O
B O A R D
C N 1 0 2
( P a g e   4 9 )
T O
D M B 0 3
B O A R D
C N 1 0 7
( P a g e   3 7 )
T O
PA N E L   B O A R D
C N P 8 8 1
( P a g e   5 5 )
( 1 )
( 2 )
( 5 )
( 3 )
( 4 )
( 6 )
( 7 )
( 1 0 )
( 9 )
( 1 2 )
( 8 )
( 8 )
( 1 1 )
( 1 1 )
S P E A K E R
F R O N T   R
-
+
( 2 )
( 5 )
F R O N T   L
-
+
( 7 )
( 9 )
C E N T E R
-
+
( 1 )
( 3 )
W O O F E R
-
+
( 1 0 )
( 1 2 )
S U R R     R
-
+
( 4 )
( 6 )
S U R R   L
-
+
POWER TRANSFORMER
(MAIN)
(1/2)
T 9 0 2
POWER TRANSFORMER
(MAIN)
(2/2)
POWER TRANSFORMER
(SUB)
T 9 0 2
FAN
1
5
1
10
E
E
E
1
3
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
AC
IN
1
1
1
1
2
2
2
3
5
E
H
1
2
A
B
C
D
E
F
G
H
I
3
4
5
6
7
8
9
10
11
12
13
14
15
*
*
6-22. PRINTED WIRING BOARD  – AMP/SUB TRANSFORMER SECTION –   • See page 27 for Circuit Boards Location.
• 
 : Uses unleaded solder.
Ref. No.
Location
• Semiconductor Location
Ref. No.
Location
D321
D-12
D322
F-12
D323
F-12
D331
E-11
D371
E-12
D372
E-12
D381
F-11
D382
G-11
D401
C-13
D411
C-12
D430
C-10
D461
B-12
D462
C-10
D471
B-11
D472
C-11
D473
C-10
D901
G-5
D911
E-4
D912
D-4
Ref. No.
Location
• Semiconductor Location
D913
E-4
D914
E-4
D915
F-4
D951
F-7
D952
E-10
D954
C-9
D955
C-9
D956
B-9
D957
D-8
D958
D-8
IC301
E-12
IC401
C-12
IC501
E-15
IC502
E-14
IC521
C-15
IC522
D-14
IC551
G-15
IC552
H-14
IC911
F-5
IC951
D-10
IC952
C-9
IC953
C-9
Q321
D-11
Q322
F-12
Q323
F-12
Q331
D-11
Q332
D-11
Q371
E-12
Q372
E-12
Q381
F-10
Q382
F-10
Q383
G-10
Q401
B-13
Q411
C-11
Q424
E-8
Q425
D-8
Q426
D-8
Q461
C-12
Q462
C-10
Q463
C-10
Q472
B-11
Q473
B-10
Q474
B-10
Q476
C-10
Q477
B-10
Q478
B-11
Q479
C-10
Q511
E-13
Q512
F-13
Q521
C-13
Q522
D-13
Q551
F-13
Q552
G-13
Q901
G-5
Q972
B-14
Ref. No.
Location
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