Schematic Diagram - Main Board (1/12) - Sony HCD-HDX275 Service Manual

HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
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
M DC-FAN +
2
DC-FAN -
1 TP3000
B
M3000
(FAN)
C3002
0.1
+
CENTER
-
TB3901
TP3309
SPEAKER
+
SUB
TP3310
WOOFER
-
C
D
R3556 C3553
4.7k 0.1
EB3001
E
(CHASSIS)
R3045 R3046
0 0 0
F
3.1
G
H
I
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
• See page 65 for IC Block Diagrams.
4 5 6
Q3000-3002
FAN MOTOR DRIVE
R3006 R3003 R3001
2.2k 1.5k JL3001
10k
R3004
Q3000
2.2k
0
2SD1388TP-34
0.6
6.2 14.4
Q3001
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 R3560
C3561
10 0
0
R3563
100k
0 1 2 3 4
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
7 8 9
JL3002
R3002
10k
JL3096
D3551
MC2837
0.6 R3551
C3551 100k
1
0
50V
JL3085
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
C3413
C3517
0.1
0.1
L3501
C3412
10uH
100
35V
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19
IC3500 CXD9883M
5 6 7 8 9 10 11 12 13 14 15 16 17 18 1 2 3 4 5
JL3047
JL3050
JL3098
R3507 C3504
15k 0.1
C3403
0.1
C3505
IC B/D
0.1
R3403
0
IC3500
R3516
DIGITAL POWER AMP 0
36 36
10 11 12
Q3251, 3252, 3301, 3302
OVER LOAD DETECT
JL3051
JL3086
R3277 R3327
100k 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
0
C3313
C3417
0.1
0.1
L3401
10uH
C3312
100
35V
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19
IC3400 CXD9883M
6 7 8 9 10 11 12 13 14 15 16 17 18 1 2 3 4 5 6
JL3101 JL3015
R3407 C3404
15k 0.1
C3303
0.1
C3405
IC B/D
0.1
R3303
0
IC3400
DIGITAL POWER AMP
R3416
0
13 14
JL3052
R3325
100k
R3326
100k
24
25
C3317
0.1
L3301
10uH
26
2
MAIN
BOARD
(2/12)
IC3300 CXD9883M
(Page
37)
7 8 9 10 11 12 13 14 15 16 17 18
JL3018
JL3020
JL3104
R3307 C3304
15k 0.1
C3305
IC B/D
0.1
IC3300
R3315 R3316
DIGITAL POWER AMP
0 0
27
28
29
12
10
3
9
8
MAIN
7
BOARD
6 (3/12)
(Page
5
38)
4
3
2
1