Sony CX-LDB30 / CX-LDB50 / XR-DB30 / XR-DB50 Service Manual ▷ View online
29
29
CX-LDB30/LDB50
CX-LDB30/LDB50
7-5. PRINTED WIRING BOARD — DRIVER BOARD, JACK BOARD —
•
See page 24 for Circuit Boards Location.
:Uses unleaded solder.
• Semiconductor
Location
Ref. No.
Location
D701
C-2
IC701
C-1
IC701
1-865-434-
(11)
11
1-865-434-
(11)
11
MAIN BOARD
CN201
(Page 31)
D
B
MAIN BOARD
CNA702
(Page 31)
M701
(LOADING)
(TRIGGER) (DISC IN/OUT)
(CHUKING)
1
9
M
JACK BOARD
DRIVER BOARD
1
2
9
8
W291
CN203
C293
C294
R191
R292
J291
AUDIO IN
PHONES
J292
C295
R289
R285
R286
C292
C291
C299
R294
R293
R295
R296
R290
30
30
CX-LDB30/LDB50
CX-LDB30/LDB50
7-6. SCHEMATIC DIAGRAM — DRIVER BOARD, JACK BOARD —
•
See page 44 for IC Block Diagram.
No mark : FM
No mark : FM
D
MAIN BOARD
(2/5)
CN201
(Page 34)
MAIN BOARD
(5/5)
CNA702
(Page 37)
+7V
B
IC B/D
1
2
3
4
5
6
7
8
9
R2
9
5
R191
R2
9
6
R292
C2
9
1
C2
9
2
C2
9
5
R2
9
4
R2
9
3
C2
9
9
CN203
C294
C293
C296
0.01
25V
0.01
25V
C290
0.01
25V
0.01
25V
J291
J292
R289
R290
R285
R286
2.
2k
470
1W
2.
2
k
470
1W
100
p
5
0V
100
p
5
0V
1
00
p
5
0V
2.
2
k
2.
2k
10
0
p
50
V
CH
9P
1 50V
1
50V
100
100
2.2k
2.2k
PHONES
AUDIO IN
L-IN (AUDIO-IN)
GND (AUDIO-IN)
R-IN (AUDIO-IN)
SW (AUIDIO-IN)
SW (HP)
HP-L
HP-R
GND
HP-GND
JACK BOARD
DRIVER BOARD
W291 1P
MAIN CHASSIS
IC701
CN701
R
702
R701
C711
C705
D701
S703
S701
S702
M701
BA6956AN
7P
CT-L
100
680
10
50V
0.01
M
TZJ-T-77-4.7C
(TRIGGER)
(DISC IN/OUT)
(CHUKING)
(LOADING)
31
31
CX-LDB30/LDB50
CX-LDB30/LDB50
7-7. PRINTED WIRING BOARD — MAIN SECTION (1/2) —
•
See page 24 for Circuit Boards Location.
:Uses unleaded solder.
• Semiconductor
Location
Ref. No.
Location
D101
E-1
D102
D-1
D120
B-5
D121
A-5
D122
A-6
D201
E-4
D202
E-4
D211
E-3
D212
E-4
D302
D-6
D405
E-3
IC101
F-7
IC102
F-7
IC401
F-4
Q102
F-7
Q104
F-8
Q106
F-8
Q115
G-4
Q307
D-7
Q308
D-7
Q309
C-7
Q310
C-5
Q311
D-6
Q904
A-6
Q905
A-6
IC401
IC101 IC102
1
26
7
1
2
8
7
1
2
9
8
1
15
1
2
15
14
CNA702
C N A101
D211
D212
JW810
CLP303
W701
W702
C LP 302
C N901
JW142
JW153
JW106
JW 186
R155
JW121
E P 101
JW109
JW 182
C 109
R425
D201
D120
C
1
0
2
R156
JW149
JW128
JW118
JW 125
JW 124
JW103
JW139
C 114
JW123
JW122
C412
Q 115
JW133
JW138
C 1
03
C 106
JW 141
JW184
JW 102
C426
C 108
JW177
JW 144
C1
2
2
9
JW189
R426
C 1
04
J201
JW 170
JW156
JW 155
JW119
JW 131
JW 154
JW 137
JW127
JW150
C408
JW 171
JW192
D121
L201
D101
C135
D102
JW290
JW152
JW 126
C133
L202
JW112
JW101
JW120
C201
JW129
JW105
C202
C424
JW132
JW 117
JW107
C101
RY201
C407
JW114
JW 113
C1
3
3
0
JW108
C105
JW172
C 110
C 107
C N291
JW135
CN201
R157
JW110
R158
D122
JW164
JW115
JW143
JW 116
JW111
JW140
C 128
JW 130
JW223
C601
JW291
C 411
JW157
JW146
JW 134
D202
JW218
C 314
Q309
Q 308
C 689
Q 307
JW176
JW 200
L301
C 312
C 313
JW191
JW224
D302
C 690
C302
Q 310
JW 244
Q 311
JW222
JW268
JW211
C605
C 315
JW 220
19P
CN904
27P
CN902
JW271
Q 104
C 425
C 325
C640
JW179
JW221
JW217
JW 219
JW213
JW214
JW215
JW169
C639
JW 212
1
7
C 606
C614
JW216
C309
JW210
C613
C LP301
C628
C 317
JW257
EP401
C LP602
C117
Q102
C 123
C 120
C 122
JW201
CN302
EP601
JW282
JW 270
JW285
JW284
JW273
JW276
JW277
JW 286
JW295
JW279
C 121
Q106
JW259
JW296
C126
JW250
JW275
1
JW274
JW278
JW283
JW 269
C 125
JW266
JW 265
JW226
JW 264
J
27
W267
JW258
JW209
JW 256
JW 247
C903
JW254
JW253
JW252
C311
JW208
JW251
JW294
15P
CN602
JW261
JW249
JW245
19
JW255
JW145
JW239
JW272
JW246
C924
JW243
JW196
JW202
C933
C
928
JW158
JW159
JW195
JW198
JW199
JW203
JW204
JW 207
Q905
Q904
X902
JW263
JW240
X901
1
7
JW242
JW 241
JW238
JW229
JW190
JW237
JW236
JW197
JW288
JW188
JW231
JW281
7P
CN905
JW228
JW230
JW234
JW233
JW104
JW
LDB30
LDB30
LDB50
LDB50
136
JW160
JW161
JW162
JW163
JW165
JW166
JW167
JW187
C 417
JW193
JW151
JW147
JW180
JW175
C602
JW148
JW178
JW 181
JW232
CLP601
JW 260
JW248
1
JW 262
JW293
JW225
JW168
JW185
JW173
JW174
JW183
C 418
JW289
D405
JW297
JW194
JW298
JW235
JW227
JW28
RU, E51,AUS,KR
0
JW 292
8 P
*
Not used
TAPE MECHANISM DECK
FUN
SPEAKER
(L)
(R)
MAIN BOARD
W2
9
3
REG IC BOARD
TUNER
R CH
L CH
EH
HEAD
ERASE
–REC/PB–
+
+
+
–
–
–
1
2
3
4
5
6
7
+
+
(SIDE A)
JACK BOARD
CN203
(Page 29)
D
DRIVER BOARD
CN701
(Page 29)
B
PANEL BOARD
CN502
(Page 38)
A
BD BOARD
CN201
(Page 27)
C
PT BOARD
CN002
(Page 40)
E
1-866-367-
E51
(11)
11
1-865-430-
(11)
11
Ver. 1.2
32
32
CX-LDB30/LDB50
CX-LDB30/LDB50
7-8. PRINTED WIRING BOARD — MAIN SECTION (2/2) —
•
See page 24 for Circuit Boards Location.
:Uses unleaded solder.
IC601
IC902
IC904
1
5
10
15
20
25
30
31
35
40
45
50
51
55
60
65
70
75
80
81
85
90
95
10
0
B
E
C
B
E
C
B
E
C
B
E
C
1
20
21
40
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
R723
R7
29
R993
R1
01
D116
R1
35
R1
03
R4
42
C4
04
D210
R1
25
R140
R139
R457
R138
R229
R137
R153
Q110
C9
43
R4
53
R4
51
R435
C6
26
R456
R1
41
R231
R452
C1
32
C4
13
Q2
06
C4
16
R223
R4
11
R4
12
C4
03
JR6
07
Q108
R428
Q111
R1
52
R224
R417
D115
D114
R1
10
R232
R427
C230
R647
R648
R1
42
Q109
C1
31
R127
R1
28
R4
19
JR103
R4
34
R2
14
R439
R4
32
D117
Q207
C4
06
R438
JR1
02
R150
Q403
R450
Q407
R454
TH401
Q406
R416
R657
Q113
D111
C4
05
R151
R207
R219
R227
R201
R2
03
R2
20
R2
13
Q2
05
D2
07
C414
R206
R202
R204
R2
08
Q201
R2
12
R2
11
Q208
Q2
04
R4
24
R4
22
R4
49
R4
21
R225
R154
R4
23
R1
45
R4
13
R146
R148
R147
R1
30
R1
26
R4
20
R149
Q404
Q112
R228
Q114
R430
R4
33
R4
31
D204
R4
44
R4
09
C4
15
R109
D209
R230
D118
R4
40
C229
R4
29
C4
09
R443
JR1
01
R2
21
C203
R455
C231
D110
R460
R402
R436
R458
D205
D206
R459
D4
02
R658
R437
R462
R461
R463
Q101
D4
01
R4 41
Q2
02
R205
R4
18
R2
10
R1
43
R133
R226
C4
23
R1
29
R132
D4
03
R1
24
R1
44
R131
R123
R1
22
R1
02
R1
04
R1
07
R1
08
R1
06
R1
05
R222
Q203
R217
R215
R216
R218
D2
03
R4
07
R134
R405
R406
R6
42
R641
R639
R4
10
R2
09
R4
01
R121
R414
470
R4
15
JR1
04
D112
D113
C4
10
R6
35
R6
36
C6
37
C670
C638
R637
R638
R634
C629
C630
R6
31
R632
C6
31
R6
25
R630
R629
R628
R6
27
R305
C319
C6
34
C6
35
R314
R313
C625
R615
C322
C3
21
C3
24
C304
C303
C3
01
R304
C3
20
C3
23
C3
64
R303
C674
C3
10
C363
D3
03
R678
R617
R614
R613
R624
R623
D304
R622
R621
R659
R312
C308
C6
49
R651
C632
JR602
R616
R6
56
R6
54
R618
R664
R6
33
R320
D105
R321
Q312
R322
R620
R310
R319
R3
17
R619
R318
R6
77
Q313
R3
24
C318
R408
C616
C618
R6
01
R611
R6
02
R6
43
R644
R6
03
R674
C609
C610
D601
R605
R606
R607
R608
C650
R709
C611
R7
1
0
R750
C612
C619
C6
52
C6
08
R711
C620
JR601
C675
C6
36
C3
07
R316
R646
R626
R604
R6
10
R6
45
C6
21
C6
44
C643
C672
C622
D301
C604
C603
C624
C6
23
C671
R649
C617
R668
R6
73
C676
C615
R6
50
C673
R307
R306
R653
R655
R675
R309
R609
C6
27
R612
R669
D602
R6
67
R665
R308
R323
R708
R676
JR
30
1
R652
R9
94
C118
R7
49
R301
R302
Q306
C607
C1
19
R315
R311
C677
Q305
R7
1
RU, E51,AUS,KR
RU, E51,AUS,KR
5
D108
C6
48
D1
23
C116
C115
R112
C421
R111
R113
R7
53
Q103
JR9
01
R114
D107
R7
56
R9
20
JR801
R965
R966
R1
60
R117
R119
R161
R1
59
C938
R898
R897
C8
83
C8
82
R887
R880
R885
R8
84
JR606
JR6
05
C124
R115
JR603
C9
09
C8
68
JR604
R1
16
R9
44
R9
43
R9
46
R9
45
R764
R733
C941
C9
12
R7
70
R713
R772
R954
R767
C906
R769
R9
55
R771
R714
R950
R9
49
C919
R9
62
R948
R781
R951
R7
80
R7
76
D911
JR
90
3
R788
R787
R952
R958
R703
R705
R706
R754
C9
31
R956
C9
18
C917
R9
80
D9
04
R9
42
R941
D9
08
C9
42
C953
R724
D905
JR905
R986
R9
88
C937
R914
R913
D9
07
R987
R985
R9
89
C913
C9
21
R791
R763
R991
R990
R793
C916
R9
59
R794
C915
C905
R7
48
R7
82
Q903
C950
R953
Q906
R7
73
R7
68
R792
C930
R979
R9
78
D901
C926
R9
10
R738
R7
36
R779
R9
77
R740
Q901
R7
86
R7
77
C920
C922
R7
31
Q902
Q105
R741
R726
R7
30
R7
84
R7
83
R785
C9
14
R739
R746
R924
R923
R7
57
R707
C929
R947
C923
R912
C910
R9
11
R963
JR902
C9
27
R9
95
C911
R6
40
C4
22
R789
R795
R680
R679
C6
55
C6
56
R4
03
C
70
1
C867
JR802
RU, E51,AUS,KR
AEP
E51,AUS,KR
LDB30
LDB30
IC901
MAIN BOARD
(SIDE B)
1-865-430-
(11)
11
• Semiconductor
Location
Ref. No.
Location
D105
F-3
D107
F-3
D108
F-2
D110
B-8
D111
B-8
D112
B-8
D113
B-8
D114
B-8
D115
B-8
D116
B-8
D117
D-8
D118
G-7
D123
F-2
D203
E-6
D204
D-6
D205
D-6
D206
D-6
D207
F-8
D209
E-6
D210
D-6
D301
C-3
D303
D-4
D304
C-3
D401
E-7
D402
F-7
D403
E-7
D601
E-3
D602
E-3
D901
C-2
D904
B-4
D905
C-2
D907
B-4
D908
B-4
D911
B-4
IC601
D-3
IC901
B-2
IC902
B-4
IC904
B-3
Q101
B-8
Q103
F-3
Q105
F-2
Q108
B-8
Q109
B-8
Q110
A-8
Q111
B-8
Q112
G-7
Q113
G-6
Q114
G-6
Q201
E-6
Q202
E-6
Q203
E-6
Q204
D-6
Q205
E-6
Q206
D-6
Q207
F-8
Q208
F-8
Q305
D-4
Q306
C-3
Q312
D-4
Q313
C-4
Q403
F-6
Q404
F-6
Q406
G-5
Q407
G-5
Q901
C-2
Q902
B-3
Q903
B-4
Q906
B-4
Ver. 1.2
Click on the first or last page to see other CX-LDB30 / CX-LDB50 / XR-DB30 / XR-DB50 service manuals if exist.