Sony MDR-NC300D Service Manual page 10
Noise canceling headphones
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Also See for MDR-NC300D:
- Product information (124 pages) ,
- Operating instructions (2 pages) ,
- Specifications (2 pages)
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MDR-NC300D
5-2.
PRINTED WIRING BOARD - MAIN Board -
1
A
B
C
HEADPHONE
ASSY
D
MDR-NC300D
•
: Uses unleaded solder.
2
MAIN BOARD
(SIDE A)
TP151
TP251
C618
SOUND
TP351
MODE
TP412
TP102
TP103
TP101
FB406
TP301
TP201
TP409
TP202
TP203
S602
TP623
MONITOR
MAIN BOARD
(SIDE B)
3
4
A1
B1
A2
B2
C104
C103
R107
C105
C106
R109
R104
1
20
R108
5
R208
6
R209
C206
C204
IC303
B1B2
A1A2
DRY BATTERY
SAZE "AAA"
(IEC DESIGNATION R03)
1PCS. 1.5V
A
Note 1: CN302, IC301, IC302, IC303, IC304 and IC501 on the MAIN board cannot exchange
Note 2: When the MAIN board or headphone assy are replaced, execute the adjustment referring to
10
10
5
C251
C530
R253
C253
R257
R252
16
15
C255
11
10
R159
R158
C151
SUB BOARD
CN301
76
66
56
53
50
47
43
21
11
1
77
67
57
54
51
48
44
22
12
2
78
68
58
55
52
49
45
23
13
3
79
69
59
46
24
14
4
80
70
60
25
15
5
81
71
61
26
16
6
82
72
62
27
17
7
83
73
63
40
37
34
31
28
18
8
84
74
64
41
38
35
32
29
19
9
85
75
65
42
39
36
33
30
20
10
with single. When these parts are damaged, exchange the entire mounted board.
"NOISE CANCEL VOLUME ADJUSTMENT" (page 7) on the electrical adjustment.
6
11
(11)
11
(11)
1-879-157-
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