Publicidad
XM-N502
4-1.
SCHEMATIC DIAGRAM - MAIN Board (1/2) -
1
2
3
MAIN BOARD (1/2)
A
L
TP24
(BTL)
CNJ901
2P
INPUT
TP25
TP23
R
R301
C301
B
1k
0.22
TP28
C302
R302
220
2.2k
16V
C
D
E
F
G
(E, IND)
CN901
4P
C507
HIGH LEVEL INPUT
100p
SENSING POWER ON
TP1
L+
1
C508
R521
R+
2
100p
2.2k
L–
3
R–
4
H
C509
100p
C510
R522
100p
2.2k
TP2
I
J
XM-N502
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4
5
6
(3/3)
IC301
PRE AMP
R102
22k
IC301
NJM4565M(TE2)
0.1
+
5
R103
0.1
–
22k
6
C103
R107
R203
47p
10k
22k
C105
R202
100p
22k
C104
R106
100p
10k
2SC3052EF-T1-LEF
LOW-PASS FILTER
R215
R236
R213
10k
10k
4.7k
C216
0.47
C219
C218
C217
0.1
0.47
0.1
C304
R205
100p
10k
C205
47p
R206
10k
(1/3)
IC301
C303
47p
PRE AMP
IC301
NJM4565M(TE2)
0.1
–
0.1
2
0.1
1
+
3
TP4
R514
R515
R523
R524
220k
220k
220k
220k
C514
C515
C523
C524
0.1
0.1
0.1
0.1
R525
1k
R528
1k
R504
R501
R505
R506
2.2k
2.2k
10k
10k
7
8
9
0.1
7
C109
22
50V
R143
10k
R214
R108
R112
4.7k
22k
10k
R142
330
Q304
RV301
13.1
10k
LEVEL
0
-0.6
S301
-1
-1
LPF
(80Hz)
-2
C208
OFF
ON
-2
22
50V
R247
R242
22k
330
R207
R212
22k
10k
C209
C210
22
100p
50V
R243
10k
NJM4565M(TE2)
0.1
0.1
Q508
Q510
2SC3052EF-T1-LEF
RT1P441C-TP-1
THERMAL DETECT
13.1
13.1
-13.9
1.8
1.5
13
13.1
D919
DZ2J056M0L
Q510, 511
MUTING SWITCH
R507
R509
2.2k
100k
13
0.1
Q511
2SC3052EF-T1-LEF
5.3
R502
Q501
5.3
3.3k
RT1N441C-TP-1
0.1
DC OFF DETECT
Q512
C502
R503
R508
2SC3052EF-T1-LEF
R510
0.1
2.2k
3.3k
100k
THERMAL DETECT
8
8
10
11
12
(3/3)
IC303
PRE AMP
IC303
Q101
NJM4565M(TE2)
RTAN140C-T112-1
R146
0.1
SWITCH
330
+
0.1
0.1
0.1
5
0.1
7
–
6
C110
100p
13
R111
4.7k
13.1
13.1
8
8
IC301
POWER
IC303
POWER
NJM4565M(TE2)
NJM4565M(TE2)
(2/3)
(2/3)
GND
GND
4
4
-14.3
-14.3
R241
4.7k
C204
0.1
R211
R208
4.7k
10k
0.1
(1/3)
13
Q201
IC303
RTAN140C-T112-1
0.1
C220
SWITCH
22
50V
PRE AMP
IC303
–
0.1
2
1
+
3
Q503
RT1P141C-TP-1
13
R513
1M
11.3
R516
Q502, 503
100k
PROTECT SWITCH
0.2
D513
DZ2J068M0L
0.8
Q502
2SC3052EF-T1-LEF
C504
0.2
22
50V
0.2
C505
0.1
13
14
15
R145
390
0.1
-14.1
Q100
RTAN140C-T112-1
MUTING
-14.1
Q200
0.1
RTAN140C-T112-1
MUTING
R245
R246
680
470
1
2
1
R512
3
100k
4
MAIN
BOARD
5
(1/2)
6
7
D512
MC2836-T112-1
R517
82k
D515
DA2J10100L
R518
10k
D514
DA2J10100L
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