Schematic Diagram - Main Board (1/12) - Sony HCD-HDX277WC Service Manual
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Also See for HCD-HDX277WC:
- Operating instructions manual (124 pages) ,
- Service manual (110 pages) ,
- Supplementary manual (1 page)
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HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
Q Q
3 7 6 3 1 5 1 5 0
6-8.
SCHEMATIC DIAGRAM - MAIN Board (1/12) -
1
2
3
MAIN BOARD (1/12)
A
A12V
1
MAIN
L3000
47uH
BOARD
M+14V
(6/12)
M-GND
(Page 41)
CN3000
TP3001
2P
DC-FAN +
M
2
DC-FAN -
TP3000
1
B
M3000
(FAN)
C3002
0.1
+
CENTER
TB3901
-
TP3309
SPEAKER
+
SUB
TP3310
WOOFER
-
C
D
R3556
C3553
4.7k
0.1
T E
L
1 3 9 4 2 2 9 6 5 1 3
EB3001
E
(CHASSIS)
R3045
R3046
0
0
0
F
3.1
G
H
w w w
I
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
• See page 65 for IC Block Diagrams.
4
5
6
Q3000-3002
FAN MOTOR DRIVE
R3006
R3001
R3003
2.2k
1.5k
JL3001
10k
R3004
Q3000
2.2k
0
2SD1388TP-34
0.6
6.2
14.4
Q3001
0.6
2SC3052EF-T1-LEF
6.8
C3000
C3001
C3005
100
47
10
16V
16V
50V
TP3307
TP3308
L3901
0.6uH
R3555
0
C3554
C3556
XX
0.1
C3513
0.7
0.1
0
0
C3512
100
35V
3.3
Q3551
2SC3052EF-T1-LEF
DC DETECT
R3562
10k
R3554
100k
Q3555
2SC3052EF-T1-LEF
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19
1.6
C3561
10
0
R3563
100k
0
1
2
3
4
5
Q3554
Q3552-3555
2SC3052EF-T1-LEF
C3506
PROTECT
0
0.033
DETECT
C3503
0.1
R3559
R3561
10k
47k
R3503
0
R3058
0
JL3060
R3061
0
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i
http://www.xiaoyu163.com
7
8
9
JL3002
R3002
10k
JL3096
D3551
MC2837
R3551
100k
C3551
1
0
50V
JL3085
R3277
100k
Q3002
2SC3052EF-T1-LEF
C3129
10
C3552
10
16
16
50V
16
16
Q3252
Q3251
R3553
ISA1235AC1TP-1EF
ISA1235AC1TP-1EF
10k
0
0
R3902
R3901
0
C3413
C3517
0.1
0.1
Q
Q
3
7
L3501
C3412
10uH
100
35V
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19
6
7
8
9
10 11 12 13 14 15 16 17
18
1
2
3
4
5
6
JL3047
JL3098
JL3050
C3504
R3507
15k
0.1
C3403
0.1
IC B/D
C3505
0.1
R3403
0
IC3500
R3516
0
DIGITAL POWER AMP
u 1 6 3
y
36
36
2
4
8
9
9
10
11
12
Q3251, 3252, 3301, 3302
OVER LOAD DETECT
JL3086
JL3051
JL3052
R3327
100k
C3128
2.2
16
16
16
16
Q3302
Q3301
R3275
R3276
ISA1235AC1TP-1EF
ISA1235AC1TP-1EF
100k
100k
0
0
R3905
0
0
R3906
0
C3313
C3417
0.1
0.1
6
3
1
5
1
5
0
8
9
L3401
L3301
10uH
10uH
C3312
100
35V
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19
7
8
9
10 11 12 13 14 15 16 17
18
1
2
3
4
5
6
7
JL3101
JL3015
C3404
R3307
R3407
15k
0.1
C3303
0.1
IC B/D
C3405
0.1
R3303
0
IC3400
DIGITAL POWER AMP
R3416
DIGITAL POWER AMP
0
m
c o
.
2
8
9
9
13
14
R3325
100k
R3326
100k
24
25
C3317
0.1
2
4
9
8
2
9
9
26
2
MAIN
BOARD
(2/12)
(Page
37)
8
9
10 11 12 13 14 15 16 17
18
JL3018
JL3104
JL3020
C3304
15k
0.1
IC B/D
C3305
0.1
IC3300
R3315
R3316
0
0
27
28
29
12
10
3
9
8
MAIN
7
BOARD
6
(3/12)
(Page
5
38)
4
3
2
1
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