Schematic Diagram - Main Board (1/3) - Sony XM-N1004 Service Manual

XM-N1004
4-2.

SCHEMATIC DIAGRAM - MAIN Board (1/3) -

1 2 3 4
MAIN BOARD (1/3)
A
L
REAR (L+R)
B R
CNJ101
4P
INPUT
L
FRONT (L+R)
R
C
D
E
(E, IND)
CN901
8P
R101
F HIGH LEVEL INPUT
C102 C202 C302 C402 2.2k
SENSING POWER ON
100p 100p 100p 100p
FL + 1
FR + 2
RL + 3
RR + 4
FL – 5
FR – 6
G RL – 7
RR – 8
C101 C201 C301 C401
100p 100p 100p 100p
R201
2.2k
H
2
6
7
MAIN
8
BOARD
I (3/3) 9
(Page 10)
J
XM-N1004
5 6 7
R103
22k
C105
R102 47p
22k
C801 R801 C803 R803 C802
0.22 1k 0.22 1k 220
16V
R802
2.2k
C804 R804 C815
0.22 1k 100
16V
R203
22k
R202
22k
R303
22k
R302
22k
R402
22k
R403
22k
R204 R405 R105 R305 R104 R304 R205 R404
220k 220k 220k 220k 220k 220k 220k 220k
R301
2.2k C217 C416 C117 C317 C116 C316 C216 C417
0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
R944 R943 R945 R946
10k 10k 10k 10k
R401
2.2k
D906 D907
MC2838-T112-1 MC2838-T112-1
8 9 10 11
C107
100p
R107 (1/3) R110
C108
10k 15k
0.1
IC801
PRE AMP
IC801
NJM4565M(TE2)
C109
0.2
0.1
–
0.2
2
0.2
1
+
3
C106 R106 R128 R109
100p 10k 4.7k 30k
C120
0.1
R220
13.2 13.2 13.2
10k
8 8 8
IC801 POWER IC804 POWER IC803 POWER
NJM4565M(TE2) NJM4565M(TE2) NJM4565M(TE2)
C214
(2/3) (2/3) (2/3)
GND GND GND
0.47
4 4 4
-14.2 -14.2 -14.2
C211 R206
0.47 4.7k
C121
0.1
R116
R228
3.3k
C207 4.7k
100p
R207
10k
R210
(3/3)
C208
15k
0.1
C205
47p IC801
PRE AMP
IC801
NJM4565M(TE2)
0.2
C209
0.2
0.1
–
-14.2 0.2
6
0.2
7
+
Q122 5
RTAN140C-T112-1 C235 R236 R209
100p 10k 30k
MUTING
R407
10k
C405 C407
47p 100p
C307
100p
(3/3)
R307 (1/3)
10k
IC802
IC802
PRE AMP
PRE AMP
IC802
IC802 NJM4565M(TE2)
NJM4565M(TE2)
0.2
C305 –
0.2 0.2
47p 6
– 0.2 0.2
2 7
0.2 +
1 5 R324 R328
+
3 4.7k 4.7k
C306 R308 C406 R408
47p 10k 47p 10k
R316
13.2 13.2
3.3k
8 8
IC802 POWER IC806 POWER
NJM4565M(TE2) NJM4565M(TE2)
(2/3) GND (2/3) GND 0.2
4 4
-14.2
-14.2 -14.2
Q322
RTAN140C-T112-1 C311
0.47
MUTING
R514
100k
8 8
12 13 14 15
R127
C110
100
22
50V
(1/3)
IC804
HIGH-PASS FILTER
IC804
NJM4565M(TE2)
R950
0.2
–
0.2
2
0.2
1
+
3
R134 R115
22k 10k
R215
10k
13.2 SW101
R229
10k
FILTER (80Hz)
0.1 -1
HP OFF LP
-2
Q115
2SC3052EF-T1-LEF
-0.5
LOW-PASS FILTER
C222 C213 R217
0.1 22 22k
50V
R951
C210
22 R227
50V 100
(3/3)
IC804
HIGH-PASS FILTER
IC804
NJM4565M(TE2)
0.2
–
0.2
6
0.2
7
+
5
R234
22k
C430
22 R427
50V 100
C330
22
R327
50V
100
R315
10k
R114 R214
22k 22k
R415
10k
13.2
R320 R329
10k 10k
0.1
SW201
Q314
C308 2SC3052EF-T1-LEF
LPF (80Hz)
-0.5 -1
0.47
LOW-PASS FILTER
-2 OFF ON
C309
R306 C322 22 R317
4.7k 0.1 50V 22k
16 17 18
(1/3)
IC803
GAIN CONTROL AMP
IC803
NJM4565M(TE2)
0.2
+
0.2
3
0.2 1
1 1
–
2
2
10k
3
MAIN
BOARD
4
(2/3)
C925
5
(Page 9)
47p
VR801
10k
LEVEL
FRONT
R112
-1
330
R212
-2
330
C926
47p
(3/3)
10k
IC803
GAIN CONTROL AMP
IC803
NJM4565M(TE2)
0.2
–
0.2
6
0.2
7
+
5
(1/3)
IC806
GAIN CONTROL AMP
IC806
NJM4565M(TE2)
0.2
+
0.2
3
0.2
1
–
2
R313
10k
C312
47p
VR802
10k
LEVEL
REAR
-1 R312
330
R412
-2
330
C412
47p
(3/3)
R419
10k
IC806
GAIN CONTROL AMP
IC806
NJM4565M(TE2)
0.2
–
0.2
6
0.2
7
+
5