DOWNLOAD Sony CX-LDB30 / CX-LDB50 / XR-DB30 / XR-DB50 Service Manual ↓ Size: 5.23 MB | Pages: 64 in PDF or view online for FREE

Model
CX-LDB30 CX-LDB50 XR-DB30 XR-DB50
Pages
64
Size
5.23 MB
Type
PDF
Document
Service Manual
Brand
Device
Car Audio
File
cx-ldb30-cx-ldb50-xr-db30-xr-db50.pdf
Date
PREV: Sony SSX-LDB30 / SSX-LDB50 / XR-DB30 / XR-DB50 Service Manual

Sony CX-LDB30 / CX-LDB50 / XR-DB30 / XR-DB50 Service Manual ▷ View online

33
33
CX-LDB30/LDB50
CX-LDB30/LDB50
7-9. SCHEMATIC DIAGRAM  — MAIN SECTION (1/5) —
•
 See page 44 for IC Block Diagram.
0
0
0
0
0
0
0
0
0
0
0
0
0
4.6
0.1
-4.6
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
NO MARK: FM
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
E
E
C4
0
3
C4
0
4
C4
0
5
C4
0
6
C601
C603
C605
C606
C6
0
7
C6
0
8
C609
C610
C611
C612
C614
C621
C622
C623
C624
C627
C628
C6
3
0
C
631
C6
3
2
C638
C639
C640
C643
C644
C649
D601
EP401
IC601
R401
R402
R4
0
5
R4
0
6
R4
0
7
R4
0
8
R
409
R4
1
0
R
4
1
1
R4
1
2
R601
R602
R603
R604
R605
R606
R607
R608
R609
R610
R611
R612
R6
2
5
R6
26
R6
2
7
R6
2
8
R629
R630
R6
3
1
R6
3
2
R6
3
3
R6
3
4
R6
3
5
R6
3
6
R6
3
7
R6
3
8
R643
R644
R646
R6
51
R
652
R653
R654
R659
R664
R665
R667
R668
R669
R673
R674
R6
75
R
676
R6
7
7
R8
8
0
R884
R885
R8
8
7
C625
C674
C676
C677
R656
R655
R6
7
8
R645
C620
C619
R641
R639
R640
R642
R
619
R
620
C6
8
9
C6
9
0
R624
R623
C626
EP601
C4
2
2
C675
C868
C421
C867
AEP
CN602
AEP
C670
C671
C672
C673
R615
R658
R657
R621
R622
R679
R680
C635
C634
C636
C6
2
9
C637
C650
C652
FUNCTION
C616
C615
R616
C618
C613
C408
C407
C411
C412
R649
R650
C655
R897
R898
R6
1
7
R6
1
8
R6
1
3
R6
1
4
R6
4
7
R6
4
8
C656
CLP601
CLP602
C617
C882
C883
470p
5
0
V
47
0p
50V
220
p
50V
B
22
0p
50V
220
16V
0.1
16V
100
16V
100
16V
47p
50V
47
p
50
V
0.022
25V
0.022
25V
470p
50V
470p
50V
4.7
50V
0.001
25V
0.001
25V
0.001
25V
0.001
25V
0.01
25V
100
16V
0.
0
0
47
50V
0.
0
022
50V
0.
0022
50
V
0.022
25V
47
25V
47
25V
220p
50V
220p 50V
0.022
25V
UDZSTE-174.7B
TERMINAL,EARTH
BD3882FV
10k
10k
10k
10
k
2
.
2
k
2.
2k
47k
47
k
1
0
k
10k
10
47
2.2M
2.2M
1k
1k
22k
22k
47
10
220
220
10k
10
k
2.
2
k
2.
2k
22k
22k
2.
2k
2.
2
k
2.
2k
2.
2
k
1k
1k
1k
1k
100k
100k
4.7k
22
0
220
4.7k
4.7k
47k
47k
1k
1k
100k
100k
470k
470k
10
0
100
1
00k
47k
2.2k
2.2k
47k
0.01
25V
0.01
25V
0.01
25V
0.01
25V
470
470
10
0k
4.7k
10K
10K
10k
2.2k
2.2k
10k
4.
7
k
4.
7
k
15
0
V
15
0
V
4.7k
4.7k
0.01
25V
TERMINAL,EARTH
0.
1
2
5
V
0.01
25V
0.1
16V
0.01
25V
0.047
16V
0.047
16V
0.047
16V
0.047
16V
47k
100k
100k
10k
10k
1k
1k
0
0
100p
50V
0.
0
0
4
7
50
V
0.0047
50V
0.0047
50V
100p
50V
0.1
16V
0.1
16V
47k
0.22
16V
4.7
50V
4.7
50V
4.7
50V
4.7
50V
4.7
50V
4.7k
4.7k
0.01
25V
100k
100k
22
k
22k
22k
22k
10
0k
100k
0.01
25V
PIN,LEAD
38MM
PIN,LEAD
38MM
0.22
16V
0.22
16V
0.22
16V
CD
-
A
-
G
N
D
CD
-D
-G
N
D
CD
-
P
-
G
N
D
FR-VDD
FR
-
V
D
D
FR-VDD
FUNC-GND
M
P3
G
N
D
F
UNC
-
G
ND
FU
N
C
-
G
N
D
RE
C
 R
RE
C
 L
TU
9V
TU
9V
TU
-
G
N
D
TU-L
TU-R
F-OUT-L
F-OUT-R
O-POWER
V-STBY
O-BIAS
CE
TUNED
VM
FR-VDD(3.3V)
RDS-DATA
RDS-CLK
CD-ON
I-PROTECT
PB2
PLL-CLK
FUNC-CLK
I-PULDAT/I-STE
DO
O-STK-POWER
STEREO
TU-MUTE
O-POWER
V-STBY
CE
TUNED
O-BIAS
VM
CD-ON
CD
-
L
CD
-
R
PB2
CL1
CL2
CL2
I-PRO
CL1
CE
RDS-CLK
RDS-DATA
DO
DO
DO
DI
AU-IN R
AU-IN L
DC-DET
DI
TUNED
O-STK-PO
O-STK-PO
STEREO
TU-MUTE
RDS-DATA
RDS-CLK
STEREO
TU-MUTE
PBN-L
PBP-L
PBP-R
PBN-R
F-GND
PBO-R
PBO-L
VOLIN-L
VOLIN-R
M-GND
TRE1-L
TRE2-L
TRE1-R
TRE2-R
VDD
SI
SC
VEE
OUT-R
OUT-L
RVFIL-L
RVFIL-R
CD-L
CD-R
TUNER-L
TUNER-R
RECOUT-R
RECIN-R
RECIN-L
RECOUT-L
I-BAS2-L
I-BAS1-L
I-BAS2-R
I-BAS1-R
BAS2-R
BAS1-R
BAS2-L
BAS1-L
AU-R
AU-L
TUNER-R
TUNER-L
GND
DO
CL
DI
CE
TUNED
STEREO
TU-MUTE
+9V
+3V(RDS)
RDS INT
RDS DATA
NO USE
15P:
11P: RU, E51,AUS,KR
0.01
25V
1
2
3
4
5
6
7
8
9 10 11 12
13
14 15 16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
MAIN BOARD
(2/5)
(Page 34)
MAIN BOARD (1/5)
IC601
3
MAIN BOARD
(5/5)
(Page 37)
4
MAIN BOARD
(5/5)
(Page 37)
2
MAIN BOARD
(3/5)
(Page 35)
1
IC B/D
TUNER
Ver. 1.2
34
34
CX-LDB30/LDB50
CX-LDB30/LDB50
7-10. SCHEMATIC DIAGRAM  — MAIN SECTION (2/5) —
0
0
0.6
0
0
0
47
0
0
0
0
20
-20
-47
0
2.1
2.3
0
22
2.3
0
0
0
0
0
0
0.9
0
0.3
0
3.3
NO MARK: FM
1
2
3
4
5
6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
SUB
1
2
3
4
5
6
7
8
9
R4
2
6
C409
C413
C414
C415
C416
C4
2
3
C
426
CN201
D2
0
7
D401
D4
02
D4
0
3
Q2
0
7
R219
R
225
R4
1
3
R4
1
4
R419
R420
R421
R422
R423
R424
R427
R428
R4
2
9
R4
3
0
R4
3
1
R4
3
2
R
433
R
434
R436
R437
R438
R439
R440
R441
R442
R444
R
449
R450
R451
R452
R
453
R4
5
4
R455
C424,C425
50V:LDB30
63V:LDB50
RY201
C417
C418
L201
L202
TH
40
1
R443
Q407
Q406
THERMAL
DET
MUTE
CONT
C
424
R403
C4
2
5
Q208
R2
2
6
R227
Q404
Q403
R426, R425
2W:LDB30
3W:LDB50
R457
R459
R461
R463
R462
R460
R458
R456
R435
C410
D405
IC401
R415
R416
R417
R418
R4
2
5
100p
50V
10p
10p
10p
10p
0.
1
2
5V
22
25V
9P
JST 1.25MM
1S
S
3
55TE-
1
1SS355TE-17
1S
S
3
55TE
-
1
7
1
SS3
5
5
TE-
1
7
2
SC3
0
52F
-
T1-LF
4.7k
10k
1k
1k
22k
22k
22k
22k
10k
10k
1k
1k
*
7
*
6
*
6
*
7
4.
7k
4.
7k
10
k
10
k
10k
22
22
22
22
22
22
22
4.
7
k
10k
1k
22k
220k
10
k
10k
OSA-SS-212DM3
12V
0.1
50V
0.1
50V
TH
E
R
M
I
S
T
O
R
100K
22
2SC3052F-T1-LF
2SA1235TP-1EF
4.7k
2SC3052F-T1-LF1
4.
7
1k
2SA1579T106-RR
2SA1579T106-RR
10
10
10
10
10
10
10
10
10k
100p
50V
1N4002B
CD-P-GND
CD-D-GND
CD-A-GND
R CH
L CH
L-
C
H
R-
C
H
A-GND
+V
P
MP3GND
FUNC-GND
FUNC-GND
-V
H
+V
H
-V
P
P-GND
-VP
+VP
D-GND
CD-R
CD-L
DVDD(3.3V)
AVDD(3.3V)
CD VM(7V)
MGND
MP3(3.3V)
MP3GND
HP SW
AUDIO-IN SW
CD-AGND
MGND
SP ON
AU-IN L
AU-IN R
RELAY ON
AU-IN SW
AU-IN SW
HP SW
HP SW
RELAY ON
OVER-LOAD
CD-L
CD-R
7V
MP3VD
D-VDD
A-VDD
I-PRO
L-IN (AUDIO-IN)
GND (AUDIO-IN)
R-IN (AUDIO-IN)
SW (AUIDIO-IN)
SW (HP)
HP-L
HP-R
IN
-
C
H
2
NF
-
C
H2
ST
-
B
Y
NF
-
C
H1
IN
-
C
H
1
GN
D
SU
B
+P
R
E
OUT
-
C
H
2
OUT
-
C
H
2
OUT
-
C
H
1
OUT
-
C
H
1
+V
C
C
-V
C
C
-P
RE
(L
-I
N
)
(R
-I
N
)
(L
-
O
U
T
)
(R
-
O
U
T
)
GND
HP-GND
SHASSIS GND
0.
2
2
0.
2
2
100
470
STK403-120(LDB50)
STK403-090(LDB30)
*
3
*
3
*3
R417,R418
470:LDB50
1k:LDB30
*4
R415,R416
100:LDB30
470:LDB50
*5
*5
*5
*4
*4
30
29
28
27
26
25
24
23
22
21
20
19
18
32 33
34 35 36 37 38 39 40 41
42 43
44 45
MAIN BOARD (2/5)
31
IC401
POWER AMP
DC DET
OVERLOAD
DET
PROTECT
DET
SWITCH
*6
R429, R430
470:LDB50
1k:LDB30
*7
D
JACK BOARD
CN203
(Page 30)
5
1
MAIN BOARD
(1/5)
(Page 33)
10
MAIN BOARD(3/5)
(Page 35)
11
MAIN BOARD(4/5)
(Page 36)
7
6
MAIN BOARD
(5/5)
(Page 37)
MAIN BOARD
(5/5)
(Page 37)
MAIN BOARD
(5/5)
(Page 37)
35
35
CX-LDB30/LDB50
CX-LDB30/LDB50
7-11. SCHEMATIC DIAGRAM  — MAIN SECTION (3/5) —
1.3
1.1
1.1
4.6
4.5
0
0
1.4
0
0
1.4
1.4
0
0
0
0
0.3
0.3
0.3
0.2
0.2
7
0.3
6.5
0.6
0
12
19.4
7
12
6.4
7
3.6
3
3.3
6.4
3.3
3.3
0.3
3
2.9
9.7
8.9
11.1
NO MARK: FM
1
2
3
4
5
6
7
8
1
2
3
E
2
13
4
5
6
7
1
2
3
1
2
3
C101
C102
C103
C104
C114
C1
1
7
C1
2
0
C1
2
1
C1
2
2
C1
2
3
C1
2
4
C1
2
5
C1
2
6
C3
0
2
C303
C304
C309
C3
1
0
C311
C312
C313
C314
C3
1
5
C3
1
7
C319
C320
C3
2
1
C3
2
2
C323
C3
2
4
C363
C364
C602
D1
0
5
D108
D303
D602
EP101
Q101
Q102
VDD REG
VDD REG
REPLAY DRIVE
POWER
CONTROL
POWER
CONTROL
Q103
Q105
Q106
Q3
0
5
Q3
0
6
Q312
Q313
R1
0
2
R1
0
4
R1
0
5
R1
0
6
R1
0
7
R1
0
8
R1
0
9
R110
R115
R159
R1
6
0
R3
0
3
R3
06
R3
0
7
R3
0
8
R3
0
9
R3
1
0
R311
R312
R313
R314
R3
1
7
R3
1
8
R322
R323
R3
2
4
Q3
1
0
C105
C106
C107
C108
C109
C110
CNA101
D107
D301
D304
L301
Q104
Q307
Q308
Q309
Q311
R155
R156
R157
R158
D120
D121
D122
R1
0
1
R1
0
3
R1
6
1
JR301
C318
R319
R3
0
4
R117
R119
D1
2
3
R113
R1
1
6
R112
R111
R3
2
1
R315
C301
C308
C307
D101
D102
CN302
D302
R3
2
0
R316
C604
R3
0
5
IC101
12V REG
7C REG
C115
C116
C1
1
8
C1
1
9
W292
IC102
R301
R302
W701
R1
1
4
C3
2
5
4700
25V
4700
25V
470
25V
100
2
5V
100
1
6V
100
1
6V
10
5
0V
10
0
1
6V
0.
1
1
6V
10
0
16
V
47
25
V
0.
01
50
V
0.001
50V
0.001
50V
0.01
50V
0.
00
1
50
V
0.0022
50V
0.001
50V
M
0.022
50V
0.01
50V
47
10V
10
50V
10p
50V
10p
50V
47p
50V
22p
5
0V
22p
50V
0.
1
25V
0.1
16V
47p
50V
CH
220
10V
UDZ
S
T
E
-
1
7
3.3B
1SS355TE-17
1SS355TE-17
UDZSTE-174.7B
TERMINAL,EARTH
2SC3052F-T1-LF
2SB1375
2SC3052F-T1-LF
RT1N144C-TP-1
KTC3198GR-A
2S
A
1235
TP
-
1EF
2S
A
1
2
35
T
P
-
1
E
F
RT1N144C-
TP-1
RT1P141C-TP-1
SWITCH
10
0
k
100k
47
k
220k
47k
22
0k
4.
7k
10k
47k
2.2k
22k
10
0k
1k
1k
47
0k
470k
22k
1k
1k
22k
22k
1k
4.
7
k
10k
4.7k
2.
2
k
KT
C3
2
0
5
Y
-
AT
0.1
50V
0.1
50V
0.1
LDB30
LDB30
50V
0.1
50V
0.1
50V
0.1
50V
8P
MC2840-T112-1
MC2836
MC2840
T112-1
OSC BIAS
KTA1273-Y-AT
2SK2541-T
2SK2541
2SK2541-T
KTA1266GR-AT
470
1/2W
470
1/2W
470
1/2W
470
1/2W
1N4002B
1N4002B
1N4002B
47k
0
0
0
100k
4.7
4.7
1S
S
3
55TE-
1
7
100
10
0
47k
470
470
47k
470p
50V
470p
50V
470p
50V
GBJ4J10B9
7P PH
2.0MM
JW
2.
2
47k
0.1
16V
B
22
0
k
TA7812S
0.1
25V
0.1
16V
2.2k
2.2k
1P
WIRE ASSY
470
220
16V
CD
-
A
-
G
N
D
VE
E
CD
-D
-G
N
D
CD
-
P
-
G
N
D
A-GND
A-GND
CD-P-GND
CD-D-GND
FUNC-GND
FR
-
V
D
D
L-SPG
L-SPG
R-SPG
R-SPG
+VM
-VL
+VL
+VL
+VH
-VH
PB R
PB L
RE
C
 L
RE
C
 R
REC R
PB R
FUNC-GND
CD-P-GND
O-POWER
M
P3
G
N
D
VD
D
-VL
FU
N
C
-
G
N
D
V-STBY
V-STBY
V-STBY
PB2
REC L
PB L
BIAS
FR-GND
O-
BI
AS
ERASE
ERASE
7V
TU
9V
P-GND
P-GND
P-
G
N
D
TU
-
G
N
D
-VH
+VH
7V
AC-DET
FR-GND
VM
A-
VD
D
D-
V
D
D
CD
-
O
N
V-
ST
BY
O-
P
O
WE
R
AC
1
AC
2
MP
3
V
D
PB2
REC/PB
SWITCH
Q305-Q309
REC/PB
SWITCH
O-
B
I
AS
I-PRO
7V
R CH
L CH
EH
HEAD
+
+
+
–
–
–
CD REG.
VH(AC)
VL(AC)
GND(M)
VL(AC)
VH(AC)
AC-DET
VSTBY
P-ON
SHASSIS GND
REG-OUT
REG-IN
GND
2200
2200
470k
470k
*8
*8
D101
G5SBA60L-6088: LDB50
GBJ4J10B9: LDB30
*1
*1
C101,C102
50V: LDB30
63V: LDB50
*1
TA7807S
0.
1
25
V
0.
1
16V
1
2
3
4
5
6
8
7
9 101112
13
141516
17
46
47
48
49
50
51
52
53
54
55
56
57
58
31
MAIN BOARD (3/5)
REG-IC BOARD
IC101
IC102
1
2
3
1
2
3
C137
E51
W293
REG-OUT
REG-IN
GND
BIAS
OSC
BIAS
SWITCH
BIAS
SWITCH
VCC REG
8
E
PT BOARD
CN002
(Page 41)
9
MAIN BOARD
(5/5)
(Page 37)
2
MAIN BOARD
(1/5)
(Page 33)
10
MAIN BOARD
(2/5)
(Page 34)
12
MAIN BOARD
(4/5)
(Page 36)
MAIN BOARD
(5/5)
(Page 37)
36
36
CX-LDB30/LDB50
CX-LDB30/LDB50
7-12. SCHEMATIC DIAGRAM  — MAIN SECTION (4/5) —
2.7
2.7
0
0
3.3 3.3
3.3
3.3
0
0
-42.7
0
-19.3
-18.8
18.6
17.9
0
42.5
42.5
42.5
14.4
14.4
14.4
-14.4
-42.7
-14.4
-14.4
-42.5
12
12
12
12
12
12
12
12
12
12
0
NO MARK: FM
+
+
1
2
3
D1
1
6
R1
3
5
C1
2
8
C1
2
9
C130
C1
3
1
C1
3
2
C1
3
3
C
135
C201
C202
*2
*2
C201, C202
50V: LDB30
63V: LDB50
C231
CN291
D
117
D2
0
3
D2
0
4
D209
D210
Q108
PROTECT
DET
PROTECT
DET
PROTECT
DET
Q109
Q110
Q
111
Q1
1
2
Q1
13
Q114
Q115
Q203
Q204
Q205
Q206
R
121
R
122
R1
2
3
R1
2
4
R1
2
5
R1
26
R1
28
R1
2
9
R1
30
R1
3
1
R1
3
2
R1
3
3
R1
3
4
R1
3
7
R1
3
8
R139
R140
R1
4
2
R1
4
3
R1
4
4
R1
4
5
R146
R1
4
7
R1
4
9
R1
5
0
R1
5
1
R152
R1
5
3
R1
5
4
R201
R202
R203
R204
R205
R206
R207
R208
R2
0
9
R2
1
0
R2
1
1
R
212
R
213
R2
1
4
R215
R216
R217
R218
R220
R221
R222
R224
R228
R229
R230
R231
R232
D112
ON DET
R136
D113
D115
D206
JW205
JW206
Q201
Q201,Q203,Q205
VP SWITCH
Q202,Q204,Q206
–VP SWITCH
Q202
LDB50
R1
4
8
D211
LDB30
LDB50
D212
R223
C203
C2
3
0
C2
2
9
R
141
R1
2
7
D110
D111
E51,AUS,KR
D114
D118
D205
J201
D201
D202
4.
7
50V
2.
2
50V
47
25V
0.
1
1
6
V
0.
1
1
6
V
4.
7
5
0
V
47
25
V
0.01
25V
3P
1S
S
3
55TE-
1
7
1S
S
3
5
5TE-
1
7
1S
S
3
55TE
-
1
7
1SS355TE-17
1SS355TE-17
2SC3052F-T
052F-T1-LF
2SC3052F-T1-LF
2SA1235TP-1EF
RT
1P
14
1C
-
TP-1
2S
C3
0
52F
-
T1-LF
2S
C
3
052F
-
T
052
F
-
T1-
L
F
2SC3052F-T1-LF
KTC3198GR-A
2SC3052F-T1-LF
2SA1235TP-1EF
2SA1235TP-1EF
2SC3052F-T1-LF
47k
47k
10k
10k
22
k
22
k
2.
2k
470
4.
7k
10k
10k
47k
47k
47
k
47
k
1k
1k
22k
10k
10k
10
0
k
47k
10k
2.
2
k
10
0k
22k
1k
2.
2
2.
2
4.7k
4.7k
470
470
100k
100k
10k
1k
2.
2k
2.
2k
10
k
10k
1k
1k
4.7k
4.7k
4.7k
4.7k
2.2k
100k
100k
22k
47k
4.7k
2.2k
4.7k
4.7k
MC2836
MC2836
MC2836
MC2836
2SJ599-Z-E2-AZ
2SK3377-Z-E2-AZ
0
22k
0.001
50V
0.
01
50V
0.
01
50
V
10
0
2.
2
k
MC2838-T112-1
MC2838-T112-1
MC2838-T112-1
MC2838-T112-1
MC2838-T112-1
TERMINAL, 4P SP
SPEAKER
+VH
-VH
+VL
-VL
L-
C
H
R-
C
H
FAN-GND
+VM
A-GND
A-GND
R-SPG
L-SPG
L-SPG
R-SPG
L-SPG
R-SPG
+VH
+VL
-VL
-VH
A-GND
+VP
-VP
+V
P
FAN-GND
SP-
L
+VM
+VM
V-STBY
+V
M
FA
N
-
G
N
D
SP-
R
DC-DET
L-CH
L-CH
R-CH
R-CH
-V
H
+V
H
-V
P
AC
2
AC
1
I-
P
R
O
DC
-
D
E
T
OV
E
R
-
L
O
A
D
DC
-
D
ET
O-
P
O
W
E
R
(L)
(R)
GND
NC
+B(FAN)
SHASSIS GND
UDZS-TE17-12B
1k
RK36LF-B3
RK36LF-B3
47
47
RK46LF-T2
RK46LF-T2
*2
46
47
48
49
50
51
52
53
54
55
56
57
58
3233
343536 3738394041
4243 4445
MAIN BOARD (4/5)
Q112-Q115
FAN DRIVE
11
MAIN BOARD
(2/5)
(Page 34)
12
MAIN BOARD
(3/5)
(Page 35)
FAN
Ver. 1.2
Page of 64
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