Sony MDR-NC300D, Service Manual

Page: 10 / 24

MDR-NC300D
MDR-NC300D
10 10
5-2. PRINTED WIRING BOARD - MAIN Board - • : Uses unleaded solder.
TP202
TP203
TP201
TP301
TP101
TP102
TP103
TP351
TP251
TP151
TP302
TP408
TP409
TP413
TP412
TP622
TP623
S602
C531
C526
C527
C530
R518
R517
C533
R519
C532
R516
C209
C502
C109
C106
C306
Q101
R102
C102
R101
C104
S603
R262
FB406
R103
C307
C255
C153
C152
R159 R158
R157
R155
R153
R152
R151
C253
C252
C151
R259
R258
R257
R255
R253
R252
C155
R251
R162
C303
R203
C205
R209
R208
C103
R207
R204
D203 D201
D103
IC301
C105
C251
R109
R108
R107
C302
C206
R104
C204
D101
C301
C309
C308
C310
IC304
IC303
IC302
C618
C617
L102
R536
R537
C208
C207
R531
R216 R215
R115
R116
C108
C107
L202
L101
L201
C517
C513
C515
C516
C523
R504
R505
C529
C522
C528
C539
R521
R520
C537
C536
R524
C201
R523
R522
C540
C541
C538
C545
C514
C509
C510
R535
C504
C503 C501
C544
R527
R526
R525
C520
C521
R534
R533
IC501
R532
C524
C525
C202
L403
L404
C101
C203
CN302
C402
C401
C403
X501
CN303
Q201
R202
R201
C404
A SUB BOARD
CN301
1-879-156-
11
(11)
1-879-157-
11
(11)
MAIN BOARD
(SIDE A)
MAIN BOARD
(SIDE B)
A1
A2
B1
B2
A1A2
B1B2
1
15
16
20
11
10 6
5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20 21
22
23
24
25
26
27
28
29
30 43
44
45
46
31
32
33
47
48
49
34
35
36
50
51
52
37
38
39
53
54
55
40
41
42
56
57
58
59
60
61
62
63
64
65 66
67
68
69
70
71
72
73
74
75 76
77
78
79
80
81
82
83
84
85
HEADPHONE
ASSY
DRY BATTERY
SAZE "AAA"
(IEC DESIGNATION R03)
1PCS. 1.5V
SOUND
MODE
MONITOR
A
B
C
D
1 2 3 4 5 6
Note 1: CN302, IC301, IC302, IC303, IC304 and IC501 on the MAIN board cannot exchange
with single. When these parts are damaged, exchange the entire mounted board.
Note 2: When the MAIN board or headphone assy are replaced, execute the adjustment referring to
“NOISE CANCEL VOLUME ADJUSTMENT” (page 7) on the electrical adjustment.