Read Sony XM-7557 Service Manual online
XM-7557
13
13
D101
G-12
D102
G-11
D103
D-9
D201
G-10
D202
G-10
D203
E-9
D301
G-8
D302
G-7
D303
E-8
D401
G-6
D402
G-7
D403
E-6
D501
G-4
D502
G-3
D503
G-2
D504
G-3
D505
E-5
D506
E-6
D701
G-12
D702
F-5
D703
F-1
D704
G-5
D706
E-1
D707
C-2
D708
D-2
D709
D-2
D710
D-1
D711
D-1
D712
D-2
D713
D-2
D714
D-1
D715
D-1
D716
D-8
D717
E-3
D718
D-3
IC701
B-10
IC702
B-9
IC703
B-8
IC704
B-7
IC705
B-6
IC706
B-5
Q101
A-10
Q102
B-9
Q103
B-11
Q104
F-12
Q105
F-12
Q106
F-11
Q107
F-11
Q108
G-12
Q109
G-11
Q110
G-11
Q111
G-12
Q112
G-11
Q113
E-12
Q114
E-12
Q201
A-10
Q202
B-9
Q203
B-11
Q204
F-10
Q205
F-10
Q206
F-9
Q207
F-9
Q208
G-10
Q209
G-9
Q210
G-9
• Semiconductor Location
Q211
G-10
Q212
G-9
Q213
E-9
Q214
E-9
Q301
A-5
Q302
A-7
Q303
A-5
Q304
F-8
Q305
F-8
Q306
F-7
Q307
F-7
Q308
G-8
Q309
G-7
Q310
G-7
Q311
G-8
Q312
G-7
Q313
E-8
Q314
E-8
Q401
A-5
Q402
A-7
Q403
B-5
Q404
F-6
Q405
F-6
Q406
F-5
Q407
F-5
Q408
G-6
Q409
G-5
Q410
G-6
Q411
G-6
Q412
G-5
Q413
E-5
Q414
E-5
Q503
F-4
Q504
F-4
Q505
F-4
Q506
F-4
Q507
G-4
Q508
G-4
Q509
G-4
Q510
G-4
Q511
G-3
Q512
F-2
Q513
F-2
Q514
F-1
Q515
F-1
Q516
G-2
Q517
G-1
Q518
G-2
Q519
G-2
Q520
G-1
Q521
E-4
Q522
E-4
Q523
E-3
Q524
E-3
Q701
E-1
Q702
E-1
Q704
C-2
Q705
C-1
Q706
C-2
Q707
C-10
Q708
D-9
Q709
D-10
Q710
D-8
Q711
D-8
Q712
D-7
Q713
D-7
Ref. No.
Location
Ref. No.
Location
5-7. SCHEMATIC DIAGRAM – AMPLIFIER (1/3)/FILTER/SUB 1/SUB 2 SECTION –
• See page 10 for IC Block Diagram.
FL
FR
RL
RR
C103
4.7/50V
R103
22k
C102 4.7/50V
R102
22k
R101
3.3k
C101
330
25V
25V
C104
33P
5
6
8
8
4
8
4
4
7
6
5
7
3
2
1
4
8
5
6
7
2
3
1
3
2
1
IC703
NJM4580E(T1)
IC702
NJM4580E
(T1)
IC702
NJM4580E
(T1)
6
5
7
3
2
1
IC705
NJM4580E
(T1)
IC705
NJM4580E
(T1)
IC703
NJM4580E (T1)
IC704
NJM4580E (T1)
IC704
NJM4580E (T1)
R106 22k
C106 47P
R206 22k
C206 47P
C406 47P
C306 47P
R406 22k
R306 22k
R203
22k
C203
4.7/50V
R303
22k
C303
4.7/50V
R302
22k
C302
4.7/50V
R402
22k
C402
4.7/50V
R403
22k
C403
4.7/50V
R202
22k
C202
4.7/50V
R701
1k
R703
1k
R704
1k
R702
1k
VR701
LEVEL
LEVEL
(MIN-MAX)
R207
150
R307
150
R407
150
R107
150
C107 100P
R108 4.7k
C207 100P
R208 4.7k
R308 4.7k
C307 100P
R408 4.7k
C407 100P
C304
33P
C703 0.1
C404
33P
CNJ711
C514
100P
100P
C515
47/16V
S707
INPUT-MODE
(F F+R)
S710
TESTTONE
R517
4.7k
R516
3.3k
C516
0.22
VR707
FILTER
(50Hz-200Hz)
20KEX2
9
1
9
1
CNJ709 9P
CNP709 9P
L
R502 1k
C501 330/25V
C502 0.22
R
CNJ706
2P
R501 3.3k
C505
4.7/50V
R505
22k
R508
4.7M
4.7M
R504 22k
C504
4.7/50V
R509 10k
R506 22k
C509 100P
R510
10k
C510
100P
100P
C511 100P
R514 4.7k
5kc
IC713(1/2)
NJM4580E
NJM4580E
(T1)
IC714(2/2)
NJM4580E
NJM4580E
(T1)
IC715(2/2)
NJM4580E
NJM4580E
(T1)
IC715(1/2)
NJM4580E(T1)
IC714 (1/2)
NJM4580E
(T1)
D705
1SS184-TE85L
IC713(2/2) NJM4580E(T1)
3
2
4
1
3
2
4
1
3
2
4
1
6
0
0
5
8
7
6
5
8
7
6
5
8
7
C508
33P
VR708
LEVEL
LEVEL
R513
150
C714
0.1
R512
22k
R511
22k
R515
1.5k
C715
0.1
C518
1/50V
C519
1/50V
C506
4.7/50V
C507
4.7/50V
R507 22k
R519
3.9k
C513 4.7/50V
C512 4.7/50V
R518
2.7k
R520
2k
VR709
20KE
BOOST
LOW CUT
FREQ
(7Hz-40Hz)
C520
100P
100P
R521
3.3k
R522
1k
R523
10k
R524
10k
VR709(1/2)
20KE
Q502
2SC3327-A
Q501 2SC3327-A
R525
10k
R714 1k
R718 10K
R711 1K
R719 4.7k R709 4.7k R710 10k
R708
160k
R706
1.5k
R705
10k
C717
0.01
C716
0.01
C743
0.01
C744
0.01
R738
3.9k
R739
3.9k
R707 160k
1
2
3
4
6
5
5
8
7
S708
MODE
(LEVEL BOOST)
10
10
1
1
CNJ710 10P
CNB710 10P
9P CNJ703
9P CNP703
C456
47/16V
C457
47/16V
LPF
FLAT
HPF
HPF
FLAT
LPF
R460
10k
R309
3.3k
R310
4.7k
IC711
NJM4580E
(T1)
IC712
NJM4580E
(T1)
IC712
NJM4580E
(T1)
IC711
NJM4580E(T1)
IC710(1/2)
NJM4580E
NJM4580E
(T1)
R459
100
C455 0.015
C454 0.015
4
1
2
3
4
8
1
1
2
3
4
2
3
C453
0.15
C452
0.15
R457
2.2k
R454 10k
R456
2.2k
C451
100P
100P
R452
6.8k
R455
10k
R453
22k
R451
10k
R351
10k
R353
22k
R356 2.2k
R357 2.2k C355 0.015
R354 10k
C354 0.015
C351 100P
R355
10k
C352
0.15
C353
0.15
C356
47/16V
C357
47/16V
IC710(2/2)
NJM4580E
NJM4580E
(T1)
7
6
5
5
8
7
6
5
8
7
6
5
5
R352
6.8k
R359
100
R360
10k
5
6
8
7
Q301
2SC3624-T1L1718
LEVEL SHIFT
Q302
2SC3327-A
LINE SW
Q202
2SC3327-A
LINE SW
Q203
2SC3327-A
LINE SW
Q103
2SC3327
LINE SW
LINE SW
Q102
2SC3327-A
LINE SW
Q201
2SC3624-T1L1718
LEVEL SHIFT
Q101
2SC3624-T1L1718
LEVEL SHIFT
Q303
2SC3327-A
LINE SW
Q403
2SC3327-A
LINE SW
Q401
2SC3327-T1L1718
LEVEL SHIFT
IC706
NJM4580E (T1)
IC706
NJM4580E
(T1)
IC701
NJM4580E
(T1)
IC701
NJM4580E
(T1)
R311 3.3k
R411 3.3k
C308 100P
C408 100P
C309
4.7/50V
R312
680
R313
22k
R316
10k
R315
10k
R215
10k
R216
10k
R116
10k
R115
10k
R117
10k
R118
3.3k
R209
3.3k
R217
10k
R218
3.3k
C310
0.22
C410
0.22
C409
4.7/50V
R314 6.8k
R412
680
R413
22k
R414 6.8k
R317
10k
R417
10k
R416
10k
Q402
2SC3327-A
LINE SW
R415
10k
R318
3.3k
R418
3.3k
R410
4.7k
R409
3.3k
1
2
3
4
1
2
4
3
7
5
6
C208 100P
C108 100P
C158 100P
C258
100P
100P
C209
4.7/50V
C109
4.7/50V
R210
4.7k
R109
3.3k
R110
4.7k
R211
3.3k
R111 3.3k
R212
680
R213
22k
R112
680
R113
22k
R214 6.8k
C210
0.22
R114 6.8k
C110
0.22
9P CNP702
9P CNJ702
C156
47/16V
C153
0.15
R160
10k
R159
100
R157 2.2k
R154 10k
R156 2.2k
R256 2.2k
R255
10k
R257
2.2k
C155 0.015
C154 0.015
C152 0.15
C253
0.15
C252
0.15
C255 0.015
C254 0.015
C251 100P
C157
47/16V
HPF
FLAT
LPF
LPF
FLAT
HPF
IC707
NJM4580E(T1)
IC708
NJM4580E
(T1)
R260
10k
R259
100
C257
47/16V
C256
47/16V
1
2
3
1
2
3
7
5
6
IC707
NJM4580E
(T1)
IC709 (1/2)
NJM4580E
(T1)
1
2
3
7
5
6
7
5
6
IC708
IC709(2/2)
NJM4580E (T1)
R254 10k
R152
6.8k
R252
6.8k
R253 22k
R153 22k
R251
10k
R151
10k
C151 100P
R155 10k
C701
220/16V
C702
220/16V
B–
B–
B+
B–
B+
B+
IC703
PRE. AMP
IC701
LOW BOOST
IC707,711
L.P.F
IC708,712
L.P.F
IC709,710
H.P.F
IC706
LOW BOOST
IC702
PRE. AMP
0
0
0
–15
15
B+
B+
B–
B+
B–
B–
B+
B–
15
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
VR704
LEVEL
LEVEL
(MIN-MAX)
MONO-L
MONO-R
INPUT
CNJ701
4P
IC704
PRE. AMP
IC705
PRE. AMP
INPUT
SUB WOOFER
0
0
0
0
0
0
0
0
0
0
15
0
0
0
0
0
0
0.8
0.8
–15
15
–15
0
0
–15
15
0
(MIN-
MAX)
IC713
PRE. AMP
(1/2)
IC714
(2/2) H.P.F
IC715
LOW BOOST
IC716
LOWTEST TONE AMP
IC714
(1/2) L.P.F
VR710
5KC
BOOST
LEVEL
(0dB-+10dB)
(US/CND)
IC716 (2/2)
NJM4580E
(T1)
B–
B+
B+
B–
B–
B+
B+
9
1
B
+
0
0
0
15
0
0
0
0
0
0
0
0
0
15
0
0
0
0
0
0
0
0
–15
0
0
0
0
0
0
–15
0
0
8
8
8
NJM4580E (T1)
4
4
4
FILTER
(
)
S701
FILTER
(X1 X10)
1
1
9
9
B–
B+
B+
B–
B+
5KC
5KC
(ON OFF)
0
0
0
0
0
0
0
0
0
0
0
0.8
15
0
0.8
0.8
0
15
–15
0
0
–0.6
0
0
0.8
0.8
–15
0
0
0
0.8
0.8
–0.6
0
0
–0.6
–0.6
15
0
0
0
B–
B+
B–
8
S704
FILTER
(X1 X10)
B–
FILTER
(
)
B
+
B–
–15
AMPLIFIER BOARD
0.8
S703
DIRECT
(ON OFF)
0
B–
VR706
LOW BOOST
(0dB – +10dB)
VR703
LOW BOOST
(0dB – +10dB)
15
(US/CND)
IC716(1/2)
NJM4580E
NJM4580E
(T1)
S709
DIRECT
(ON OFF)
TO SUB-1 BOARD
S708
(LPF OFF HPF)
C358
100P
100P
C458 100P
TO AMPLIFIER BOARD
(3/3)
TO AMPLIFIER BOARD (2/3)
(LPF OFF HPF)
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