MDR-NC300D
MDR-NC300D
11
11
5-3. SCHEMATIC DIAGRAM - MAIN Board -
• See page 9 for IC Block Diagrams. • See page 14 for IC Pin Function Description.
TP302
TP412
TP623
D101
D203
D201
CN303
TP151
TP351
TP251
TP102
TP103
TP101
C103
C102
Q101
C104
R251
R151
R152
C151
R252
C251
R253
C252
R255
C253
R259
R257
R102
R101
R258
C302
R262
R103
C109
C204
C101
C202
C203
R202
R201
C308
C303
C401
C402
R107
R108
C105
R109
D103
R203
R204
R207
R208
C205
R209
C310 C309
C209
R162
C404
C403
L404
L403
10mH
10mH
C502
R535
R534
R537
R533
R532
R536
R531
C206
C544
C545
R527
R525
R526
C255
C155
R157
R158
R159
C153
C301
C152
R153
R155
C540
C541
C539
C538
R524
C536
C537
R522
R523
C532
C533
R516
C531
C529
C530
C528
R519
C527
C526
C523
R518
R517
C522
C525
C524
C501
C503
C504
R505
R504
C510
C509
C513
C514
C515
C208
R216
R215
C207
C108
R116
R115
C107
C520
C521
C306
C617
S603
C618
C106
TP301
TP201
TP203
TP202
C201
C307
R104
X501
L102
L101
L201
L202
47mH
47mH
47mH
47mH
IC303
IC302
TP409
CN302
TP408
S602
TP622
C517
C516
Q201
IC301
1SS380
1SS380
1SS380
10P
4.7
0.1
2SD2654
2.2
16
16
1k
10
1k
10
0
0.0047
22k
220p
0
22k
47k
2.7k
33k
10
4.7k
10k
100p
2.2
0.0047
0.1
4.7
47k
2.7k
10
0.01
0.01
22
33k
68k
220p
0
FB406
0
1SS380
10k
47k
33k
68k
220p
0
10
0.01
100p
4.7k
10
10
10
10k
10k
10k
10k
10k
10k
100
10
0.01
1
10k
10k
100
10
10
22k
33k
0
220p
0.1
0.0047
0
22k
0.01
10
10
0.01
220
3p
3p
0
1M
0.01
10
10k
4.7
10
0.047
0.01
2.2
2.2
0.047
10
22k
47k
0.01
4.7
0.047
0.01
0.01
10
100
100
10
0.01
0.01
10
1
0.22
2.2
2.2
0.22
0.22
2.2
2.2
0.22
0.01
100
6.3V
0.01
0.001
0.001
10
0.0047
10
47k
49.152MHz
IC304 TK63714
TK63714
TK63714
20P
10
0.01
2SD2654
NJM2734SCC
A_PWR 1.5
A_PRI 1.5
A_2.8
D-2.8
RESET
I2C_SCL
I2C_SDA
STANBY
GPIO0
GPIO1
GPIO2
D_CORE 1.5
D_CORE 1.5
MOVIE
MONITOR
AUDIO IN L
AUDIO IN R
AUDIO IN GND
MDD L-P
MDD L-N
MIC L SIG
MIC GND
MDD R-N
MDD R-P
MIC R SIG
VDD
VDD
A-GND
A-GND
D-GND
ASSY
HEADPHONE
MIC BIAS
LINE AMP,
MIC AMP
+1.4V REGULATOR
+1.4V REGULATOR
REGULATOR
+1.4V
CSP
(Chip Size Package)
CSP
(Chip Size Package)
CSP
(Chip Size Package)
CSP
(Chip Size Package)
MIC BIAS
DRY BATTERY
SIZE "AAA"
(IEC DESIGNATION R03)
1PC. 1.5V
MONITOR
SOUND MODE
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.
Содержание MDR-NC300D
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