HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
36
36
6-8. SCHEMATIC DIAGRAM - MAIN Board (1/12) -
• See page 65 for IC Block Diagrams.
6.2
14.4
0
6.8
0.6
0
0.6
27.1
32.2
32.2
32.2
16.1
32.2
32.2
32.2
11
.9
3.1
3.3
1.6
1
3.3
1.6
11
.8
11
.9
27.1
16.1
16.1
16.1
16.1
16.1
16.1
16.1
16.1
16.1
32.2
32.2
16.1
16.1
32.2
32.2
32.2
32.2
27.1
11
.9
3.1
3.3
1.6
1
3.3
1.6
11
.8
11
.9
27.1
16.1
16.1
16.1
16.1
32.2
32.2
16.1
16.1
32.2
32.2
32.2
32.2
27.1
11
.9
3.1
3.3
1.6
1
3.3
1.6
11
.8
11
.9
27.1
0
0
0.7
3.1
0
3.3
1.6
0
0
0
16
16
16
16
0
0
0
0
16
16
16
16
0.1
C3308
0.1
C3313
0.1
C3413
C3508
0.1
C3513
0.1
0.1
C3408
16V
47
C3001
C3554
XX
35V
100
C3412
35V
C3509
100
35V
C3512
100
35V
100
C3409
35V
100
C3312
35V
100
C3309
0.1
C3002
16V
100
C3000
C3416
2200
35V
C3316
2200
35V
50V
1
C3551
50V
10
C3552
1
C3315
C3514
1
1
C3314
1
C3414
C3515
1
1
C3415
2.2k
R3004
1.5k
R3003
R3006
2.2k
10k
R3001
10k
R3002
10k
R3553
100k
R3554
100k
R3551
100k
R3326
100k
R3325
100k
R3276
100k
R3275
0
R3304
0
R3404
R3504
0
0
R3555
47uH
L3000
1
2
2P
CN3000
DC-FAN -
DC-FAN +
2SC3052EF-T1-LEF
Q3002
2SC3052EF-T1-LEF
Q3551
2SC3052EF-T1-LEF
Q3001
JL3060
JL3052
JL3051
JL3050
JL3049
JL3048
JL3047
JL3046
JL3045
JL3020
JL3019
JL3018
JL3017
JL3016
JL3015
JL3014
JL3013
JL301
1
JL3010
JL3002
JL3001
TP331
1
TP3000
TP3410
TP3001
TP3510
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19
18
8
4
1
2
3
5
6
7
9
10 11 12 13 14 15 16 17
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19
18
8
4
1
2
3
5
6
7
9
10 11 12 13 14 15 16 17
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19
18
8
4
1
2
3
5
6
7
9
10 11 12 13 14 15 16 17
15k
R3407
JL3101
35V
C3516
2200
JL3104
JL3098
15k
R3307
R3507
15k
JL3086
JL3085
JL3096
C3506
0.033
C3507
0.033
0.033
C3307
0.033
C3306
0.033
C3407
0.033
C3406
C3500
0.1
C3503
0.1
C3505
0.1
0.1
C3400
0.1
C3403
0.1
C3405
0.1
C3303
0.1
C3305
0.1
C3300
A12V
R3045
0
R3046
0
0
R3061
TP3307
TP3308
TP3309
TP3310
100k
R3327
100k
R3277
C3904 1000p
C3902 1000p
C3903 1000p
C3901 1000p
0.01
C3914
0.01
C3913
C3912 0.01
C391
1
0.01
C3128
2.2
10
C3129
2SC3052EF-T1-LEF
Q3553
C3556
0.1
10k
R3558
4.7k
R3556
22k
R3552
C3553
0.1
2SC3052EF-T1-LEF
Q3552
0
R3901
0
R3902
0
R3905
0
R3906
R3907
0
R3918
0
R3919
0
R3920
0
R3921
0
+
-
+
-
P6SMBJ33A-5
D3402
P6SMBJ33A-5
D3401
P6SMBJ33A-5
D3502
P6SMBJ33A-5
D3501
0
R3415
0
R3303
0
R3416
0
R3316
0
R3403
0
R3315
R3515
0
R3503
0
R3516
0
MC2837
D3551
P6SMBJ33A-5
D3302
P6SMBJ33A-5
D3301
E
EB3001
0.1
C3317
0.1
C3417
0.1
C3517
R3560
0
0.1
C3304
0.1
C3404
C3504
0.1
2SC3052EF-T1-LEF
Q3554
2SC3052EF-T1-LEF
Q3555
10k
R3559
47k
R3561
0
R3058
10k
R3562
M-GND
M+14V
100k
R3563
10
C3561
ISA1235AC1TP-1EF
Q3301
ISA1235AC1TP-1EF
Q3252
ISA1235AC1TP-1EF
Q3302
ISA1235AC1TP-1EF
Q3251
0.6uH
L3903
0.6uH
L3901
0.6uH
L3904
0.6uH
L3902
3
2
1
4
10uH
L3301
3
2
1
4
10uH
L3401
3
2
1
4
L3501
10uH
MAZ8150G0LS0
D3552
50V
10
C3005
2SD1388TP-34
Q3000
DIGITAL POWER AMP
IC3300
DIGITAL POWER AMP
IC3400
DIGITAL POWER AMP
IC3500
MAIN BOARD (1/12)
1
2
3
4
5
6
7
8
9
10
12
24
25
26
27
28
29
(CHASSIS)
FAN MOTOR DRIVE
Q3000-3002
Q3552-3555
PROTECT
DETECT
DC DETECT
M3000
M
(FAN)
Q3251, 3252, 3301, 3302
OVER LOAD DETECT
TB3901
SPEAKER
SUB
WOOFER
CENTER
12
8
2
5
D
13
4
A
H
14
9
6
I
10
1
3
B
G
C
11
F
7
E