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D-NE330/NE331
D-NE330/NE331
1-5. SCHEMATIC DIAGRAM – MAIN Board (3/3) –
(3/3)
∗
R104, R204
10k (EXCEPT NE330: FR)
22k (NE330: FR)
∗
R105, R205
33k (EXCEPT NE330: FR)
470k (NE330: FR)
C105
R112
R113
R114
4.7
470
220
4.7k
6.3V
PWMR
C110
C113
C205
C111
2200p
R213
220p
4.7
4700p
220
6.3V
PWML
R212
R214
470
4.7k
C210
C211
C213
2200p
4700p
220p
6
C108
220
R109
4V
1k
R108
C107
10
1000p
C208
C207
R208
R209
220
1000p
10
1k
4V
HEADPHONE AMP
IC301
BH35544F-FE2
R104
∗
C305
OUT1
VCC
1
R105
∗
OUT2
XMUTE
BIAS
IN1
R205
IN2
∗
GND
C106
R106
R206
470p
10k
10k
R204
∗
C206
470p
R307
AMUTE
L302
D301
MA2Z748001S0
22µH
DC/DC CONVERTER
IC302
XC6367A281MR
GND
CE
VDD
C307
EXT
VOUT
47
4V
S
Q301
XP151A13A0MR
DC/DC CONVERTER
6
(NE330: US, CND)
C309
R111
R211
2.2
2.2
0.033
C109
C209
0.22
0.22
FB101
FB201
FB301
C303
22
6.3V
C304
0.1
C302
0.1
B5
C301
EXCEPT
100 6.3V
NE330: US, CND
R302
680k
220k
B6
B7
R308
Q302
1M
B3
CPH3303-TL
B2
(Page 4)
Q303
C308
DTC115TUA
C306
1
-T106
100
6.3V
C1
C2
Q302,303
C4
B+ SWITCH
C3
J301
(Page 4)
(Page 5)
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