Sony CX-LDB30, Руководство по обслуживанию

Страница: 34 / 66

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)