Sony CX-LDB10 / CX-LDB20 Service Manual ▷ View online
5
5
CX-LDB10/LDB20
CX-LDB10/LDB20
SCHEMATIC DIAGRAM — MAIN SECTION (2/3) —
2
MAIN BOARD
(1/3)
3
MAIN BOARD
(3/3)
F
HEADPHONE BOARD
CN701
SUPPLEMENT-1
Page 4
Page 4
SUPPLEMENT-1
Page 6
Page 6
SUPPLEMENT-1
Page 12
Page 12
0.4 -0.5 4.8 -0.5 4.8
30.5 9.2
8.6
8.6 15.7 30.5 -30.4 -30.5
9.3
10
10
0.2
0.1
15.5
11.9
11.9
6.7
11.8
12.4
12.4
11.5
12.4
0
0
0
2.6
2.6
8.6
9.2
9.3
9.2
9.2
3.2
9.9
9.9
2.6
3.2
3.2
2.6
1.8
1.8 1.8
1.8
0.7
0
no mark : CD ON
CN601
3P
W101
REG BOARD
-AT
-TP-1
TP-1EF
-TP-1
-TP-1
Q601,602
FAN MOTOR
DRIVE
Q603-605
FAN +B
SWITCH
TE-17
IC301
IC003
20
19
18
17
16
15
14
5
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
MAIN BOARD
(2/3)
LDB10
LDB20
+10V REG
FAN
SPEAKER
*
* STK433-060 : LDB20
STK433-040 : LDB10
POWER AMP
TE-17
TE-17
TE-17
MUTE
MUTE
TP-1EF
TP-1EF
T106-RR
T106-RR
TE-17
TE-17
TP-1EF
TP-1EF
TP-1EF
DC DETECT
DC DETECT
DC DETECT
UDZS-TE17
-12B
TE-17
T106-RR
OVER HEAT DET
TE-17
TE-17
1SS355TE-17
LDB20
RELAY DRIVE
-AT
47
100
R345
22k
R329
R330
22k
22k
22k
R346
22k
100p
100p
1k
1k
R344
10
R341
10
R343
10
R342
10
R383
4.7k
R384
4.7k
LDB20
JC003
0
10
10
(CHASSIS)
*
4
*
4
*
4
2.2K
2.2K
LDB20
TE-17
UDZSTE-1713B
D603
C609
1000P
C608
1000P
D699
1SS355TE-17
9
20
21
22
2.2K
2.2K
2.2K
2.2K
2.2K
1K
1K
1K
1K
1
3
10K
LDB20
LDB10
LDB10
LDB10
LDB20
1K
220K
KTC3203Y-AT
470
470
100
100
100
1
6
6P
L
R
L
R
(IMP : 6 )
1
1
3
3
3P
SOUND
DETECT
SOUND
DETECT
RELAY POWER
DETECT
Ω
+
+
-
-
6
6
CX-LDB10/LDB20
CX-LDB10/LDB20
SCHEMATIC DIAGRAM — MAIN SECTION (3/3) —
1
MAIN BOARD
(1/3)
3
MAIN BOARD
(2/3)
D
CONTROL BOARD
CN403
B
CONTROL BOARD
CN401
A
CD BOARD
CN201
E
POWER (2) BOARD
W901
SUPPLEMENT-1
Page 8
Page 8
SUPPLEMENT-1
Page 8
Page 8
SUPPLEMENT-1
Page 5
Page 5
SUPPLEMENT-1
Page 4
Page 4
SUPPLEMENT-1
Page 10
Page 10
(Page 19)
3.9
3.9
3
0.6
1.3
9.3
2.5
1.7
0
0
10
16
3.3
3.6
3.6
10
0
3.6
7
10
7
7
7.7
2.8
4.1
7.5
7.7
7.7
2.5
8
8.7
1.7
0
0
0.5
1.3
9.3
2.1
9.3
10
9.3
10
9.3
9
-49
-46.7
-49
-28.9
-28.9
-29.5
-31.5
-40.9
-28.9
-34.5
-34.5
C011
0.01
0.01
C010
100
R068
470
9.6
10.3
15.5
no mark : CD ON
CN001
13P
CN004
27P
CN003
17P
CN002
23P
1
2
3
4
5
6
7
8
9 10 11 12 13
21
22
23
24 25 26 27 28 29 30 31 32 33 34
35
36
37 38
MAIN BOARD
(3/3)
AEP
LDB20
-AT
BIAS OSC
-TP-1
REC BIAS
SWITCH
REC BIAS
SWITCH
TP-EF
UBZSTE-173.3B
TE-17
+10V REG
TE-17
TE-17
-TP-1
-TP-1
AC DETECT
AC DETECT
AC DETECT
-AT
RELAY
TE-1
UDZSTE-175.1B
TP-1EF
TP-1EF
-AT
+3.9V
REG
+3.9V
REG
+3.9V
REG
M+7V REG
+3.3V REG
+3.3V REG
+3.3V REG
-TP-1
TE-17
Q013-Q016
-29V REG
UDZSTE-173.9B
UDZSTE-177.5B
T106-RR
DC DET
DC DET
T106-RR
IC002
R283
22
R284
22
R281
22
R282
22
25V
16V
Q020
KTC3205
D031
1SS355
TU +10V REG.
(CHASSIS)
UDZSTE-173.9B
EXCEPT AEP
,RU
*
5
*
5
R020 EXCEPT AEP,RU 100K
AEP,RU 0
7
POWER
SWITCH
INVERTER
-TP1
-TP1
1
13
0
TE-17
2SD2012
2SD2012
Q011 2SA1282ATP-EF
TP-1EF
TP-1EF
TP-1EF
TP-1EF
UDZSTE-1730B
TE-17
Y-AT
7
7
CX-LDB10/LDB20
CX-LDB10/LDB20
PRINTED WIRING BOARD — CONTROL BOARD —
•
:Uses unleaded solder.
• Semiconductor
Location
Ref. No.
Location
D403
E-8
D404
D-7
D405
D-7
D406
G-5
D408
F-9
D409
C-8
D410
E-7
D411
E-7
D412
E-7
D413
E-4
D414
E-4
D415
E-4
D416
C-9
D418
F-3
D419
F-3
D420
C-4
IC401
C-6
IC402
D-9
IC403
D-7
Q401
E-7
Q402
F-5
Q403
F-5
Q404
F-6
Q405
G-5
Q407
E-4
Q408
B-9
Q409
E-9
C432
W401
C414
R469
R455
R454
R453
R452
R451
R450
R449
R448
R447
R446
R445
R444
R443
R442
R441
R440
R439
R407
R408
C436
R405
R426
C416
R505
R509
R510
D409
R506
R423
R483
JW411
R438
R437
R436
R435
R434
R433
R432
R431
R430
R429
R428
C431
R504
JC427
R484
JW461
R485
R424
R461
R459
JW415
JW412
JW409
JC425
R565
R558
R513
R511
R560
R457
R475
R473
R472
R470
R425
R480
R517
R 5 1 8
JW456
JC423
JW458
C 4 2 7
R531
C443
D419
D418
JC401
J C 4 0 2
JW450
JW449
JW448
JW447
JW446
R508
R556
JW444
JW445
Q402
JW442
JW443
Q404
C424
JW440
JW439
R539
R494
R493
R495
C422
JW490
Q 4 0 5
D 4 0 6
R 4 9 9
R 5 0 0
C 4 2 3 R 4 9 6
J W 4 3 3
J W 4 4 1
R 4 9 7
R 4 9 8
Q 4 0 3
D413
D414
D415
J C 4 2 1 J C 4 1 9
J C 4 1 8
JC415
JC416
JW451
JC424
J C 4 2 2
J C 4 2 0
JC417
R561
R403
R553
JW419
R546
R401
R402
R563
R547
X 4 0 1
R548
R406
C444
C428
R491
R422
D412
D411
D410
R412
R555
R507
R536
JW438
R537
C425
JW437
JW432
R535
R 5 3 4
L402
C441
C426
D403
R551
R552
L403
L401
R527
R528
C442
C421
JW431
JC412
JC411
R488
R 4 9 0
R410
C418
R482
R502
C415
C410
C434
C433
R478
R476
JW465
S 4 1 5
J W 4 6 4
S 4 0 8
R 5 1 5
S 4 0 6
J W 4 5 7
S 4 0 7
J W 4 5 9
J W 4 6 0
S 4 0 1
S 4 0 5
R520
R 5 2 1
W 4 0 2
S 4 0 4
R 5 2 3
Q 4 0 7
J C 4 1 4
R 4 8 6
R 5 4 5
J W 4 2 0
R 4 0 4
R 4 2 1
R 4 1 9
R V 4 0 1
R 4 2 7
R 4 1 8
R 4 1 8
CN401
S 4 1 4
R 4 6 8
R 4 6 3
R 4 7 1
R 4 7 4
J W 4 6 2
J C 4 0 9
R 4 7 7
R 4 7 9
R 5 6 4
J W 4 1 4
FL401
J W 4 1 3
C 4 1 1
C 4 1 3
J W 4 0 5
J W 4 0 6
C 4 1 2 R 5 4 2
R 5 4 0
R 4 8 7
R 5 6 2
R 5 6 6
J W 4 0 8
C 4 0 6
C 4 0 9
C 4 0 5
C 4 3 5
X 4 0 2
X 4 0 1
C 4 1 9
C 4 0 8
R 4 8 9
D 4 0 4
S 4 1 0
D 4 0 5
C 4 3 9
C420
J W 4 1 7
R 5 2 5
J W 4 1 8
J W 4 1 6
J W 4 2 1
J W 4 2 2
J W 4 2 3
J C 4 1 3
C 4 4 5
Q 4 0 1
J W 4 2 4
J W 4 2 5
J W 4 2 6
J W 4 2 7
J W 4 2 8
S 4 1 3
R 5 2 4
R 4 1 4
R 5 3 0
D 4 0 8
S 4 1 2
Q 4 0 9
S 4 1 1
C 4 3 0
S 4 0 9
Q 4 0 8
D 4 1 6
S 4 0 2
J W 4 2 9
J W 4 3 0
J W 4 3 4
J W 4 3 5
S 4 0 3
J W 4 3 6
C N 4 0 3
C N 4 0 4
R 4 9 2
C 4 1 7
J W 4 0 7
J W 4 0 3
J W 4 0 2
J W 4 0 1
J C 4 2 6
R 5 4 1
R 5 5 4
R 4 8 1
R 5 4 3
R 5 4 4
D 4 2 0
R 4 6 6
JW466
R533
JW463
R464
R467
R462
R465
IC401
IC403
IC402
100
1
3
4
5
C420
CONTROL BOARD
1-865-484-
1
2
A
B
C
D
E
3
4
5
6
7
9
8
F
G
E
E
E
E
E
1
3
E
LDB20
LDB20
LDB20
EXCEPT
SP2,SP6
TW,KR,AUS
SP2,SP6
TW,KR,AUS
EXCEPT AEP
13
(13)
EXCEPT AEP
AEP
AEP
I/1
STANDBY
CD
CD SYNC
z
REC
PAUSE/START
TAPE
FOLDER –
FOLDER +
TUNING –
TUNING +
TUNER/BAND
STOP
i-Bass
BASS/TREBLE
DISPLAY
AUDIO IN
VOLUME
W401
S820
CD DOOR
OPEN/CLOSE
OPEN/CLOSE
FL401
(FLUORESCENT INDICATOR TUBE)
MAIN
BOARD
CN003
B
AEP EXCEPT AEP
TUNER PACK
TAPE DECK
CN404
CN403
MAIN BOARD
CN002
D
(CHASSIS)
1
1
2
2
22
23
6
7
1
2
15
13
14
12
10
11
E
E
1
2
17
16
1 2
5
20
30
41
44 45
CN401
CN402
SUPPLEMENT-1
Page 3
SUPPLEMENT-1
Page 3
8
8
CX-LDB10/LDB20
CX-LDB10/LDB20
SCHEMATIC DIAGRAM — CONTROL BOARD —
•
See page 2 for Waveforms.
•
See page 13 for IC Pin Function Description.
MAIN BOARD
CN003
B
MAIN BOARD
CN002
D
7
8
SUPPLEMENT-1
Page 6
SUPPLEMENT-1
Page 6
(3/3)
(3/3)
0.7
0
0
3.4
0
3.4
3.2
0
3.4
3.4
3.4
0
0
0
3.4
3.3
3.3
3.3
3.4
3.4
3.4
3.4
3.4
3.5 3.3
0 3.3 3.4
0
3.3
3.4
1.4
1.4 1.6 3.4 1.8
0 3.3 2.1 0.8 3.6 3.4 3.5 3.4 3.4
0 3.3 -28
1.6
3.4 3.4
-27
-26
-26
-26
-26
-26
-18
-26
-26
-24
-13
-18
-13
-13
-13
-23
-23
-18
-10
-28
-29
-28
-29
-28
-28
-28
-13
-16
-28
3.4
0.1
0.2
2.8
2.8
2.8
3.4
2.7
2.9
0
3.3
0
3.2
0
0
0
3.3
3.3
9.9
9.9
9.9
9
9.9
9.9
0.8
9.9
0
0
3.6
0
4.2
4.2
3.4
3.6
3.6
no mark : CD ON
17P
23P
7P
M30392MCP-A08FPUO
CONTROL BOARD
IC401
IC402
IC403
AEP
E51, MX, AR
RU
CD DOOR
OPEN/CLOSE
LDB20
-TP1
-TP1
LED DRIVE
LED DRIVE
470
470
470
470
i-Bass
TUNING
FOLDER
FOLDER
TUNING
I/1
TE-17
TE-17
TE-17
TE-17
TP-1EF
RESET
SWITCH
TP-1EF
TE-17
VOLTAGE DETECT
-TP-1
-AT
-AT
-TP-1
TAPE DECK
TUNER
PACK
UDZSTE175.1B
SWITCH
PLUNGER
DRIVE
PLUNGER
DRIVE
CAPSTAN/
REEL
MOTOR
DRIVE
CAPSTAN/
REEL
MOTOR
DRIVE
REMOTE
CONTROL
RECEIVER
RECEIVER
SYSTEM CONTROLER
SLI-343URC
2.2k
4.7k
JC427
R566
10k
100p
47
47
0.22
5.5V
(CHASSIS)
*
*
JC426
0
EXCEPT AEP
CN402
AEP : 15P
EXCEPT AEP : 11P
AEP
EXCEPT
AEP
JW428
JW446
JW447
AEP
100P
FLUORESCENT
INDICATOR TUBE
S820
T32WST
STANDBY
u
LDB20
*
*
*
SP2,SP6,TW,KR,AUS
LDB20
AEP
CD
SYNC
VOLUME
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