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HCD-NXM2D
53
53
HCD-NXM2D
7-24. SCHEMATIC DIAGRAM – MAIN BOARD (3/3)–
• See page 74 for IC Pin Function Description. • See page 60 for Waveforms.
R407
R423
R424
R426
R425
R483
R411
R413
R409
R417
Q391
D391
R393
D394
R498
R499
R494
R495
D396
D395
R453
R454
R455
R465
R1
R439
R438
R437
R436
R435
R434
R433
R443
R442
R441
R440
CN401
R486
R489
R490
R956
R957
R958
R959
R450
R451
R452
R446
R447
R955
R485
R484
R448
R445
R444
R952
Q906
C919
C920
R482
CN112
W606
R16
Q6
R17
R18
R4
R42
R45
Q22
R22
R21
C22
Q20
Q19
R19
R20
R24
Q21
CN103
R419
R420
R404
JW
460
JW459
JW458
JW457
JW456
JW461
R970
R969
JW5
IC401
X401
IC391
R395
D393
R914
D905
CN110
CN109
R915
CN108
CN102
L951
C497
C412
C37
C31
C39
C391
C952
R400
R475
Q401
R416
R415
R430
R429
JR418
IC951
JR449
R478
R477
R476
R479
R493
R474
R473
R472
R471
R470
R469
R468
R467
R466
R410
R408
R414
R412
C476
C475
C411
C410
Q2
Q1
JW961
R89
JW911
R79
D182
R187
R186
D183
D181
R188
R189
C463
C462
JW3
C6
R5
C2
R2
R3
R6
C1
C21
R23
C417
C416
R394
D392
R396
C393
R392
C392
R391
C183
JR7
R497
C499
R496
R492
C953
D903
D397
C498
JW4
R428
X402
100
100
100
100
100
100
330k
0
10k
10k
2SC1623
RESET
1SS355
22k
1SS355
10
10
3.3k
3.3k
1SS355
1SS355
100
100
100
100
2.2k
100
100
100
100
100
100
100
100
100
100
100
4P
AMP-S
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
2SC1623
+3.3V REGULATOR
10
50V
10
50V
100
5P
1.25MMFFC-S
WIRE
2.2k
2SC5938
MUTE
10k
1k
2.2k
100k
100k
DTA114EKA
TA MUTE
22k
4.7k
22
50V
DTA114EKA
SW MUTE
DTC114EKA
SW MUTE
15k
22k
100k
DTC114EKA
TA MUTE
10P
B-TO-B
0
4.7k
100
10k
10k
M3062CMEN-A01FP
32.768kHz
M62703
220
1SS355
1k
UDZS-TE-17-3.9B
15P
1.25MMFFC-S
13P
1.25MMFFC-S
1k
4P
AMP-L
8P
B-TO-B
0
0.1
0.1
0.1
0.1
0.1
0.1
0.1
10k
100
DTC114EKA
MIC SWITCH
10k
10k
100
100
0
PT8300R
0
100
100
100
100
100
100
100
100
100
100
10k
10k
10k
10k
10k
10k
10k
10k
0.01
0.01
18p
18p
2SC5938
MUTE
2SC5938
MUTE
0
0
1SS355
470k
0
1SS355
1SS355
470
47k
0.1
100
10V
10
50V
5L
10k
10
50V
10k
1k
1k
10
50V
22
50V 100k
2200
6.3V
0.1
4.7k
1SS355
10k
10
50V
22k
0.1
10k
2.2
50V
0
10k
0.1
0.1
10EDB40
1SS355
10
50V
10k
16MHz
BUS
M+9V
D+3.3V
AUDIO+9V
EVER+4V
UNREG+5V
UNREG+12V
GND
M-GND
TC D+3.3V
MIC SIG
IC101
DBFB
MUTE
+3.3V
GND
M-GND
MUTE
M+9V
AUDIO+9V
BUS
SW OUT
23
24
25
26
27
28
4
69
68
67
66
A19
A20
A21
A22
A23
FL
FR
71
72
74
76
77
78
79
4
94
70
A23
A22
A21
73
86
87
88
89
90
91
A10
A11
82
83
84
85
100
A8
A9
B21
A8
C7
B20
A17
50
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
A12
A17
A9
A20
A19
A5
A24
3
3
29
30
C7
B22
95
A18
C32
C19
C19
A24
94
95
83
84
85
82
80
81
66
67
68
69
65
73
74
77
78
79
76
71
72
75
70
63
B22
B21
B20
B19
B18
B17
51
52
53
54
55
*
*
I/O EXPANDER
SYSTEM CONTROL
LEVEL DETECT
BOARD
MAIN
BOARD
MAIN
(2/3)
(1/3)
BOARD
VOL
BOARD
VOL
BOARD
PANEL
(FOR CHECK)
BOARD
HP
BOARD
BOARD
FRONT AMP
FRONT AMP
*R492
1k
E2
4.7k
EXCEPT E2
4.7k
*R496
330
1k
0
E3,E15
EA
E2
TH,SP,MY
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Summary of Contents for HCD-NXM2D
Page 101: ...101 HCD NXM2D MEMO ...