Sony CX-LDB10 / CX-LDB20 / XR-DB10 / XR-DB20 Service Manual ▷ View online
25
25
CX-LDB10/LDB20
CX-LDB10/LDB20
7-10. PRINTED WIRING BOARD — CONTROL BOARD (1/2) —
•
See page 15 for Circuit Boards Location.
:Uses unleaded solder.
• Semiconductor
Location
Ref. No.
Location
D410
E-3
D411
E-3
D412
E-3
D413
E-6
D414
E-6
D415
E-6
D416
C-2
Q402
F-5
Q404
F-5
Ver.1.2
I/1
STANDBY
CD SYNC
z
REC
PAUSE/START
FOLDER –
FOLDER +
TUNER/BAND
STOP
i-Bass
BASS/TREBLE
DISPLAY
AUDIO IN
VOLUME
LDB20
LDB20
W401
S820
CD DOOR
OPEN/CLOSE
OPEN/CLOSE
FL401
(FLUORESCENT INDICATOR TUBE)
MAIN
BOARD
CN003
(Page 20)
B
AEP
EXCEPT AEP
EXCEPT
AEP
AEP
AEP
TUNER PACK
TAPE DECK
CN404
CN403
MAIN BOARD
CN002
(Page 20)
D
12
(12)
1
1
2
2
22
23
6
7
1
2
15
14
10
12
11
13
E
E
1
2
17
16
1
2
5
20
30
41
44
45
TAPE
CD
TUNING +
TUNING –
(CHASSIS)
AEP
CN402
CONTROL BOARD
1-865-484-
CN401
1
2
A
B
C
D
E
3
4
5
6
7
9
8
F
26
26
CX-LDB10/LDB20
CX-LDB10/LDB20
7-11. PRINTED WIRING BOARD — CONTROL BOARD (2/2) —
•
See page 15 for Circuit Boards Location.
:Uses unleaded solder.
• Semiconductor
Location
Ref. No.
Location
D403
F-8
D404
D-6
D405
E-6
D406
G-4
D408
F-8
D409
C-7
D418
F-2
D419
F-2
D420
C-3
IC401
C-5
IC402
D-8
IC403
D-6
Q401
E-7
Q403
F-4
Q405
G-4
Q407
E-3
Q408
B-8
Q409
E-8
Ver.1.2
IC401
IC403
IC402
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
EXCEPT
SP2,SP6,TW,KR,AUS
SP2,SP6,TW,KR,AUS
EXCEPT
AEP
AEP
LDB20
LDB20
LDB20
LDB20
12
(12)
27
27
CX-LDB10/LDB20
CX-LDB10/LDB20
7-12. SCHEMATIC DIAGRAM — CONTROL BOARD —
•
See page 35 for IC Block Diagram.
•
See page 31 for Waveforms.
MAIN BOARD
CN003
(Page 24)
B
MAIN BOARD
CN002
(Page 24)
D
5
6
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
CN402
AEP : 15P
EXCEPT AEP : 11P
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
KR
0
0
LDB20
EXCEPT AEP
AEP
(3/3)
(3/3)
IC B/D
CD
SYNC
VOLUME
Ver.1.2
28
28
CX-LDB10/LDB20
CX-LDB10/LDB20
7-13. PRINTED WIRING BOARD — POWER BOARD —
•
See page 15 for Circuit Boards Location.
:Uses unleaded solder.
• Semiconductor
Location
Ref. No.
Location
D901
F-2
D902
F-2
D903
E-2
D904
F-2
D905
E-2
D907
D-2
D908
D-2
D909
D-2
D910
C-2
D911
F-2
D912
C-2
D914
C-2
D916
C-2
D918
B-5
D921
C-2
D922
C-2
D925
D-3
D926
D-3
Q901
C-3
Q902
C-3
Q903
C-3
Q904
C-3
Ver.1.2
RY901
W903
POWER(1) BOARD
1-865-485-
1-865-739-
POWER(2) BOARD
T902
POWER TRANSFORMER
(MAIN)
CN901
AC IN
T901
S901
(CHASSIS)
12
(12)
12
(12)
LDB20
E
E
E
E
Not replaceable:
Built in transformer
*
*
POWER TRANSFORMER
(SUB)
VOLTAGE
SELECTOR
S901
110V
220V
120V
240V
MX,SP2,SP6,
E51,TW
E51,TW
AEP,RU,AR,
KR,AUS
KR,AUS
MX,TW
E51,SP2,SP6
AEP,RU,AR,
KR,AUS
KR,AUS
1
2
A
B
C
D
E
3
4
5
6
7
9
8
F
MAIN
BOARD
CN001
(Page 20)
E
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