Sony XM-604M Service Manual ▷ View online
9
9
XM-604M
XM-604M
3-1. BLOCK DIAGRAM
3
2
1
PRE AMP
IC801 (1/2)
1
GAIN CONTROL AMP
IC805 (1/2)
HPF
IC803 (1/2)
DIFFERENTIAL
AMP
Q103
POWER
AMP
Q110
DRIVE
AMP
Q104
DIFFERENTIAL
AMP
Q102
POWER
AMP
Q111
DRIVE
AMP
Q105
BIAS
Q106,107
BIAS
Q206,207
CN902 (1/2)
CN901
MUTE
SWITCH
Q101
+12V
GND
9
PRE AMP
IC801 (2/2)
DIFFERENTIAL
AMP
Q203
POWER
AMP
Q210
DRIVE
AMP
Q204
DIFFERENTIAL
AMP
Q202
MUTE
CONTROL
Q802
POWER
AMP
Q211
DRIVE
AMP
Q205
-3
-2
-4
FL
FR
RL
RR
-1
L
FRONT
INPUT
D906
D907
REAR
R
CN903
L
R
MUTE
SWITCH
Q201
1
2
14
12
REF.
REG
REG
CN904(2/2)
F901
25A
SWITCHING
DRIVER
Q910,911
SWITCHING
DRIVER
Q912,913
DRIVER
Q908,909
8
10
11
3
D918
POWER/
PROTECTOR
FRONT
SPEAKER
OUT
DC-DC
CONVERTER
TRANSFORMER
T901
DC-DC CONVERTER
IC903
B+
SWITCH
Q905
OVERLOAD
DET
Q112
OVERLOAD
DET
Q212
CN904(1/2)
L
(L+R)
R
REAR
SPEAKER
OUT
6
5
CN902 (2/2)
L
(L+R)
R
(L+R)
REM
+15V REG
Q807
–15V REG
Q808
PROTECTOR
DETECT
Q901,902
OVERLOAD
PROTECT
(REAR)
Q805,806
OVERLOAD
PROTECT
(FRONT)
Q803,804
POWER
ON/OFF
Q906
DC DET
IC902
+30V
+15V
–30V
–15V
D804
RECT
RECT
D803
RECT
RECT
(FRONT)
(REAR)
HIGH
LEVEL
INPUT/
SENSING
POWER ON
F902
25A
PRE AMP
IC802 (1/2)
1
LPF
IC804 (1/2)
GAIN CONTROL AMP
IC806 (1/2)
DIFFERENTIAL
AMP
Q303
POWER
AMP
Q310
DRIVE
AMP
Q304
DIFFERENTIAL
AMP
Q302
POWER
AMP
Q311
DRIVE
AMP
Q305
MUTE
SWITCH
Q301
PRE AMP
IC802 (2/2)
3
7
LPF
IC804 (2/2)
DIFFERENTIAL
AMP
Q403
POWER
AMP
Q410
DRIVE
AMP
Q404
DIFFERENTIAL
AMP
Q402
POWER
AMP
Q411
DRIVE
AMP
Q108
DRIVE
AMP
Q109
DRIVE
AMP
Q208
DRIVE
AMP
Q209
DRIVE
AMP
Q308
DRIVE
AMP
Q309
DRIVE
AMP
Q408
DRIVE
AMP
Q409
DRIVE
AMP
Q405
MUTE
SWITCH
Q401
OVERLOAD
DET
Q412
6
OVERLOAD
DET
Q312
3
2
5
TEMP.DET
TH901-903
LED DRIVER
Q903
R
(PROTECTOR)
G
(POWER)
THERMAL DET
Q914,915
VCC
REF
D905
D901
D902
OVER
VOLTAGE
DETECT
Q907
2
HPF
3
2
7
7
GAIN CONTROL AMP
IC805 (2/2)
HPF
IC803 (2/2)
6
HPF
LPF
5
6
LPF
2
3
6
7
GAIN CONTROL AMP
IC806 (2/2)
2
1
6
5
MUTE
CONTROL
Q810
MUTE
CONTROL
Q809
MUTE
CONTROL
Q811
MUTE
CONTROL
Q812
15
16
1
7
1
7
BIAS
Q306,307
BIAS
Q406,407
VR801-1
VR801-2
VR802-1
VR802-2
S801-1
S801-2
VR801
LEVEL
(FRONT)
ON
OFF
VR802
LEVEL
(REAR)
S801
HPF
(80Hz)
(FRONT)
OFF
ON
S802
S802-1
S802-2
LPF
(80Hz)
(REAR)
• Signal path
: AUDIO
: AUDIO
10
10
XM-604M
XM-604M
3-2. PRINTED WIRING BOARD
: Uses unleaded solder.
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
-1
-7
-2
-8
FL
RL
FR
RR
L
R
POWER/
PROTECTOR
D918
MAIN BOARD
B
C
E
B
C
E
B
C
E
B
C
E
OFF ON
S801
HPF(80Hz)
VR801
LEVEL
-2
-1
-1
-2
L
R
FRONT SPEAKER OUT
(L+R)
INPUT
FRONT
REAR
-1
L
-3
L
-2
R
-4
R
HIGH LEVEL INPUT/
SENSING POWER ON
OFF ON
S802
LPF(80Hz)
VR802
LEVEL
REAR SPEAKER OUT
(L+R)
1-871-258- 11
25A
25A
REM
+12V
GND
S
D
G
S
D
G
S
D
G
S
D
G
K
A
K
A
K
A
E
C
B
E
C
B
E
C
B
E
C
B
-2
-1
-1
-2
C801
C803
C805
R943
R172
TP15
TP14
TP13
R272
Q803
R812
C811
R171
R271
Q804
TP16
R168
R163
R165
Q107
R164
R167
R177
R178
R170
Q112
R268
R263
R265
Q207
R264
R267
TP17
TP18
TH903
R277
R278
Q212
R270
TP903
D901
R907
TP902
R908
TH902
TP19
JC731
R368
R365
R363
R266
R166
C152
C252
R466
JC729
C352
R259
R258
R257
R260
R159
R158
R157
R160
R155
R156
R176
R175
R276 R275
R255
R256
R360
R357
R358
R359 R460
R457 R458
R459
C452
JC728
Q402
R455
Q303
Q203
Q202
Q103
Q102
C153
R161
R254
C253
R261
R253
Q812
R355
R376
R375
R356
C353
R361
R462
R454
R818
R452
R451
R817
JC717
JC718
JC719
JC720
R351
R354
Q401
Q301
R353
R362
Q811
R352
JC723
JC724
Q802
R809
Q810
R807
D801
R808
Q809
R262
R816
JC725
C809
C808
R109
R806
Q201
R251
R151
R252
Q101
R152
R162
R153
R154
IC805
C112
JC726
C108
R108
D802
Q302
C109
IC803
R209
R208
C208
C209
R106
R102
R104
C105
C107
R105
R107
R103
C116
C117
R304
R302
C305 C307
R303
R305
R307
C406
R406
C407
R407
C306
R308
R408
JC722
JC721
C316
C317
R409
C410
R411
R410
R311
R310
R309
C310
R401
C402
C918
TP10
R405
R
403
R
404
R402
R101 R201
C216
C804
C101
R944
R803
R801
R802
TP11
JC727
R211
R111
R212
R112
R110
R210
JC732 R213
R113
C212
TP12
R810
R202
C217
R
204
R
203
R205
R
207
C207
C205
R206
C206
IC801
C106
R306
IC802
C405
D906
R804
C102
C201
C202
C401
C301
D907
R945
R946
R805
C417
C416
R929
R930
R932
R933
C915
Q908
D805
D806
C824
C825
R814
C917
TP28
JC702
R903
IC903
C902
Q901
Q902
C901
Q909
R922
R924
R925
R926
R927
R923
R920
R921
TH901
R815
R901
R902
TP29
JC703
JC704
JC714
C916
JC701
R931
Q307
R364
R370
R367
R377
Q312
R378
R468
R463
R465
Q407
R464
R470
R467
R477
R478
Q412
TP20
TP22
TP23
TP24
TP25
C818
C817
D807
C823
TP21
TP27
TP26
R313
R475
Q403
R476
R456
R453
C453
R461
IC804
JC716
IC806
C412
C312
R412
R312
R413
R904
R905
Q903
JC715
R372
TP7
TP8
R928
R371
R471
C812
R811
R813
R910
R911
C904
C907
Q805
R912
R909
D902
C903
R939
R938
R937
R941
R936
D905
Q914
R940
R914
Q915
R915
Q806
JC706
JC707
JC708
JC709
JC710
JC711
JC712
JC713
Q906
C919
R935
R916
TP30
TP901
R919
C909
F902
F901
R472
R942
TP6
Q907
JC705
R917
R918
D904
TP4
TP5
TP9
TP1
TP2
TP3
R934
C911
JC730
R366
C309
C409
C302
R301
D101
D102
D202
D302
D301
D402
D401
D201
C351
C810
JW97
JW96
JW95
CNJ101
JW101
JW102
JW103
JW106
JW105
C815
C408
JW
86
JW
85
C355
C455
JW
38
JW
37
JW
36
JW
35
JW84
JW83
VR802
C411
JW
34
CN904
JW33
JW32
JW31
JW
4
JW
3
JW
2
JW
1
JW
6
JW
7
JW
8
JW28
JW29
JW30
C913
Q911
JW9
Q910
JW10
Q905
C908
C920
Q912
JW11
JW12
Q913
JW27
JW
26
C914
C912
D803
T901
JW20
JW
22
C827
JW
48
JW
47
JW
49
JW
50
JW
51
JW
52
R469
JW54
JW55
JW56
JW57
JW59
JW60
JW61
JW62
JW63
JW64
JW65
JW23
C905
JW
24
JW
25
C906
JW
39
JW
40
JW
41
JW
42
JW
44
JW
43
JW
45
JW
46
JW74
JW75
C814
JW73
IC902
C308
JW
108
JW
107
JW104
JW130
R369
JW58
JW129
JW127
JW126
JW124
JW
68
Q408
C454
Q404
JW69
Q405
JW70
JW71
Q305
JW72
Q304
C354
Q308
Q409
JW67
JW
115
Q309
JW66
Q208
C254
Q204
Q205
JW112
JW114
Q209
JW118
JW119
JW121
JW117
JW122
JW116
JW123
JW125
JW128
JW131
JW135
JW134
JW136
JW17
JW
18
L801
JW
16
JW
15
JW
14
D804
JW
13
C820
C822
C821
C819
Q206
Q210
JW
139
JW
140
JW
141
JW
120
Q109
Q105
JW113
Q104
C154
Q108
JW111
JW
142
JW
144
JW
143
JW
145
JW
138
Q211
R269
Q110
Q106
Q111
R169
JW
147
JW
148
JW
149
JW
150
JW153
JW152
JW151
C151
JW
110
JW154
C251
JW
109
C211
C111
C110
JW
157
JW159
C210
JW
158
S801
JW
161
JW
162
C155
C255
CN903
CN901
JW90
S802
JW89
JW
88
JW
87
D918
C910
L901
JW
5
JW91
JW93
JW92
JW94
C802
JW
100
JW99
JW98
VR801
JW
156
JW155
JW
146
JW
137
Q306
Q311
JW133
Q310
JW53
Q411
Q410
Q406
JW
19
JW
21
Q807
C826
Q808
JW160
JW
76
JW
78
JW
79
JW77
C451
JW
80
JW
81
JW
82
C311
JW
163
C813
JW
164
JW132
Ref. No.
Location
D101
E-4
D102
E-4
D201
E-5
D202
E-5
D301
F-6
D302
F-6
D401
F-7
D402
F-7
D801
G-5
D802
G-5
D803
B-13
D804
C-13
D805
D-9
D806
D-10
D807
B-12
D901
B-4
D902
F-9
D904
G-10
D905
G-9
D906
I-6
D907
I-7
D918
I-8
IC801
H-5
IC802
H-6
IC803
G-4
IC804
G-7
IC805
G-3
IC806
G-8
IC902
F-8
IC903
E-10
Q101
F-4
Q102
F-4
Q103
F-4
Q104
E-4
Q105
E-4
Q106
E-2
Q107
E-2
Q108
E-4
Q109
E-4
Q110
E-1
Q111
F-1
Q112
D-2
Q201
F-4
Q202
F-5
Q203
F-5
Q204
E-5
Q205
E-5
Q206
C-2
Q207
C-2
Q208
E-5
Q209
E-5
• Semiconductor Location
Q210
C-1
Q211
D-1
Q212
B-2
Q301
F-6
Q302
F-6
Q303
F-6
Q304
E-6
Q305
E-6
Q306
B-6
Q307
B-7
Q308
E-6
Q309
E-6
Q310
A-7
Q311
A-5
Q312
C-7
Q401
G-6
Q402
F-7
Q403
F-7
Q404
E-7
Q405
E-7
Q406
B-8
Q407
B-9
Q408
E-7
Q409
E-7
Q410
A-9
Q411
A-8
Q412
B-9
Q802
G-5
Q803
H-3
Q804
H-3
Q805
F-8
Q806
F-9
Q807
D-10
Q808
D-10
Q809
F-5
Q810
F-5
Q811
F-6
Q812
F-6
Q901
E-9
Q902
E-10
Q903
I-8
Q905
G-10
Q906
G-10
Q907
H-10
Q908
E-12
Q909
E-11
Q910
E-13
Q911
F-13
Q912
E-13
Q913
D-13
Q914
G-10
Q915
G-10
Ref. No.
Location
11
11
XM-604M
XM-604M
3-3. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) —
(Page 12)
R202
R402
R802
C801
R801
R803
C803
R804
C804
R102
R103
R101
C201
C202
R201
R301
R401
C108
C109
C111
C110
R203
C205
C206
C207
C208
C210
C211
C112
R151
R251
R302
R303
R403
C301
C302
C401
C402
C305
C306
C307
C808
C407
C405
C815
C809
C308
C408
C311
C312
C411
R351
R451
C412
R153
R161
R159
R162
C154
R160
R166
R167
R169
R168
R259
R253
R261
R262
R260
C254
R267
R269
R268
R353
R361
R362
R360
R359
C354
R366
R367
R369
R368
R453
R459
R461
R462
R460
C454
R466
R467
R468
R469
R172
R272
R372
R472
C106
C105
C107
C209
C406
R266
C212
VR801
VR801
VR802
VR802
R104
R105
R806
R816
R817
R818
C116
C117
C216
C217
C417
C416
C317
C316
R205
R204
R305
R304
C802
R404
R405
Q201
Q101
Q301
Q401
C101
C102
C151
C251
C351
C451
CN901
CN902
CN903
R106
R107
R207
R206
R208
R212
R112
R308
R311
R307
R306
R312
R412
R411
R408
R407
R406
R163
R177
R263
R363
R463
R277
R477
R377
R108
CNJ101
CNJ101
IC801(1/2)
IC801(2/2)
IC803(2/2)
IC803(1/2)
IC805(1/2)
IC805(2/2)
S801
R113
R213
R252
R152
JC727
JC732
JC726
TP10
JC722
JC721
D906
D907
IC802(1/2)
C309
IC804(1/2)
IC806(1/2)
IC806(2/2)
IC804(2/2)
IC802(2/2)
JC716
S802
R313
JC719
JC724
JC720
JC715
R352
R452
JC717
JC723
JC718
R413
C310
C410
C409
TP15
TP14
TP13
TP12
TP09
TP08
TP07
TP06
C455
C355
C255
C155
Q102
Q202
Q302
Q402
Q403
Q303
Q203
Q103
Q104
Q204
Q304
Q404
Q405
Q305
Q205
Q105
Q107
Q207
Q307
Q407
Q409
Q309
Q209
Q109
Q108
Q208
Q308
Q408
Q411
Q311
Q211
Q111
Q110
Q210
Q310
Q410
Q412
Q312
Q212
Q112
C152
C153
R154
R165
C252
C253
R265
R254
C352
C353
R365
R354
C452
R465
C453
R454
JC728
JC730
JC729
JC731
R109
R209
R111
R211
R110
R210
R309
R310
R409
R410
R944
R946
R945
R943
R155
R158
R175
R156
R157
R176
R164
Q106
R178
R170
R171
R255
R258
R275
R257
R276
R256
R264
Q206
R278
R270
R271
R355
R358
R375
R357
R376
R356
R364
Q306
R378
R370
R371
R455
R458
R475
R457
R476
R456
R464
Q406
R478
R470
D101
D102
D201
D202
D301
D302
D401
D402
CN904
R471
12
12
XM-604M
XM-604M
• IC Block Diagram
IC903 TL594INSR (MAIN BOARD (2/2))
OSC
REF 5V
ERROR
ERROR
0.1V
Q1
Q2
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
NON
INV
VREF
VCC
C2
E1
E2
OUT
+IN
-IN
COMPEN
CT
RT
C1
GND
TIME
3-4. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) —
(Page 11)
• Waveform
1 V/DIV, 10
µ
sec/DIV
1
IC903
5
3.3 Vp-p
18
µ
sec
IC B/D
F901
R912
F902
R919
C909
R934
C911
R809
C904
C906
C907
C903
C901
R903
R902
R901
C917
R805
C805
R928
R931
R920
R921
R929
R930
C913
C914
C817
C818
C819
C821
C820
C822
C823
R814
R815
C824
C825
C826
C827
C811
C813
C814
C915
C916
R932
R933
R914
C918
L901
R940
C908
C902
C812
R813
R812
R807
C810
T901
TH903
TH902
TH901
L801
IC902
R941
R909
Q812
Q811
Q809
Q810
Q802
D801
JC725
JC701
R926
R927
Q908
Q909
Q910
Q912
Q911
Q913
Q807
Q808
D805
D806
D803
D804
JC714
TP26
TP27
TP22
TP23
TP24
TP25
TP29
TP28
JC710
JC712
JC708
JC707
JC709
JC704
JC703
JC702
JC713
JC711
JC705
TP05
TP01
TP04
TP903
TP902
TP901
TP30
Q905
Q907
Q906
D905
Q915
Q914
D901
IC903
Q902
Q901
D807
Q803
Q804
Q805
Q806
R908
R907
C919
R939
C910
TP19
D902
D904
Q903
D802
R808
R923
R922
R924
R925
C912
CN904
R917
R918
R942
R915
R916
C920
R937
R938
R936
R935
R910 C905
R911
R904
R905
D918
R810
R811
JC706
Click on the first or last page to see other XM-604M service manuals if exist.