Sony CX-LDB10 / CX-LDB20 / XR-DB10 / XR-DB20 Service Manual ▷ View online
21
21
CX-LDB10/LDB20
CX-LDB10/LDB20
7-6. PRINTED WIRING BOARD — MAIN SECTION (2/2) —
•
See page 15 for Circuit Boards Location.
:Uses unleaded solder.
• Semiconductor
Location
Ref. No.
Location
D002
H-4
D006
G-5
D008
G-6
D009
F-6
D011
E-6
D012
E-8
D013
C-3
D014
C-3
D015
F-8
D017
C-6
D018
C-4
D019
G-7
D023
H-4
D024
H-5
D025
C-4
D026
F-4
D027
G-4
D031
E-7
D201
F-2
D202
E-2
D251
C-7
D252
C-7
D253
D-7
D254
B-9
D353
D-5
D354
B-2
D355
G-2
D356
G-2
D358
E-2
D359
E-2
D602
B-2
D603
H-4
D604
H-4
D605
C-5
D699
B-2
IC101
C-8
Q001
H-4
Q002
H-4
Q003
F-6
Q004
G-6
Q005
G-6
Q007
G-6
Q008
G-6
Q012
C-4
Q013
G-7
Q014
G-7
Q015
G-7
Q016
H-7
Q017
H-4
Q019
G-6
Q050
C-5
Q051
C-5
Q101
B-9
Q102
B-9
Q103
B-9
Q104
B-9
Q201
F-2
Q202
E-2
Q252
B-9
Q253
B-9
Q254
B-9
Q256
E-9
Q353
G-2
Q354
G-2
Q355
D-5
Q602
B-2
Q604
H-4
Q605
H-3
Q606
H-3
Ver.1.2
IC101
D251
R262
1-865-483-
LDB20
D031
S
S
1
28
15
14
S
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
E
E
LDB20
AEP
AEP
LDB20
EXCEPT AEP,UK
1
2
A
B
C
D
E
F
G
H
3
4
5
6
7
8
9
10
MAIN BOARD
12
(12)
22
22
CX-LDB10/LDB20
CX-LDB10/LDB20
7-7. SCHEMATIC DIAGRAM — MAIN SECTION (1/3) —
•
See page 35 for IC Block Diagram.
1
MAIN BOARD
(3/3)
(Page 24)
2
MAIN BOARD
(2/3)
(Page 23)
C
AUX BOARD
W702
(Page 30)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
0.5
-4.4
0
0
2.7
0
0
3.1
2.7
2.7
0
3.1
3.1
3.1
3.1
0
0
0
3.1
3.1
0
0
no mark : CD ON
CN102
7P
CN101
3P
MAIN BOARD
(1/3)
IC101
IC B/D
1 2
3
4 5 6
7
8 9 10 11 12 13
5
14
15
16
17
18
19
20
-TE-17
UDZSTE-174.3B
UDZSTE-174.3B
-T2B
-T2B
-T2B
TE-17
-TP1
TP-1EF
TP-1EF
-TP1
INPUT SELECT,
ELECTRICAL
VOLUME
Q101-Q103
Q252-Q254
Q252-Q254
REC/PB
SWITCH
10k
10k
2.2k
2.2k
16V
16V
4700p
4700p
4700p
4700p
4700p
4700p
100
100
22k
10k
10k
22k
47k
47k
470p
470
0
470p
470
0
C268
R273
10
R275
10
R274
10
R276
10
0.1
0.0022
0.0022
C121,C122
LDB10 : 0.0047
LDB20 : 0.01 25V
*
*
2
*
2
*
2
1
*
1
*
1
*
1
R247,R248,R249
LDB10 : 4.7K
LDB20 : 10K
2.2K
S
S
S
1
1
3
7
ERASE HEAD
REC/PB
HEAD
TAPE MECHANISM DECK
(REC/PLAYBACK/ERASE)
(REC/PLAYBACK/ERASE)
Ver.1.2
23
23
CX-LDB10/LDB20
CX-LDB10/LDB20
7-8. SCHEMATIC DIAGRAM — MAIN SECTION (2/3) —
2
MAIN BOARD
(1/3)
(Page 22)
3
MAIN BOARD
(3/3)
(Page 24)
F
HEADPHONE BOARD
CN701
(Page 30)
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
+
+
-
-
Ver.1.2
24
24
CX-LDB10/LDB20
CX-LDB10/LDB20
7-9. SCHEMATIC DIAGRAM — MAIN SECTION (3/3) —
1
MAIN BOARD
(1/3)
(Page 22)
3
MAIN BOARD
(2/3)
(Page 23)
D
CONTROL BOARD
CN403
(Page 27)
B
CONTROL BOARD
CN401
(Page 27)
A
CD BOARD
CN201
(Page 19)
E
POWER (2) BOARD
W901
(Page 29)
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
Ver.1.2
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