Schematic Diagram - Main Board - Sony XM-N502 Service Manual

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