Sony XM-504Z Service Manual ▷ View online
5
XM-504Z
SECTION 2
DISASSEMBLY
Note : This set can be disassemble according to the following sequence.
Note : Follow the disassembly procedure in the numerical order given.
2-1. BOTTOM PLATE
2-1.
BOTTOM PLATE
(Page 5)
(Page 5)
2-2.
MAIN BOARD SECTION
(Page 6)
(Page 6)
SET
2-3.
MAIN BOARD
(Page 6)
(Page 6)
3
bottom plate
1
three screws
(+BTP 3
x 8)
2
three screws
(+BTP 3
x 8)
6
XM-504Z
2-2. MAIN BOARD SECTION
2-3. MAIN BOARD
3
three screws
(+BTP 3
x 8)
2
three screws
(+BTP 3
x 8)
4
screw
(+BTP 3
x 8)
1
three screws
(+BTP 3
x 8)
5
MAIN board section
heat sink (MAIN)
After unfastening the screw,
taping with the screw inserted
facilitates the work.
taping with the screw inserted
facilitates the work.
3
panel (front)
4
MAIN board
2
three screws
(+BTP 3
x 8)
1
two screws
(+BTP 3
x 8)
7
7
XM-504Z
IC901 µPC494GS
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
OSC
REF. REG.
ERROR
ERROR
0.1V
3-1. IC BLOCK DIAGRAM
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
for schematic diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
A
: B+ Line.
•
B
: B– Line.
• Power voltage is dc 14.4V and fed with regulated dc power
supply from +12V and REM terminals.
• Voltage is dc with respect to ground under no-signal
condition.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: AUDIO
for printed wiring boards:
•
: Pattern from the side which enables seeing.
Note:
The components identi-
fied by mark
The components identi-
fied by mark
0
or dotted
line with mark
0
are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
SECTION 3
DIAGRAMS
8
8
XM-504Z
3-2. PRINTED WIRING BOARD • Refer to page 7 for Common Note on Printed Wiring Boards.
• Semiconductor Location
D101
E-4
D102
E-4
D201
E-5
D202
E-5
D301
E-7
D302
E-6
D401
E-8
D402
E-7
D801
F-5
D802
F-6
D803
B-13
D804
C-13
D805
D-9
D806
D-10
D807
A-12
D901
B-4
D902
F-9
D903
F-9
D904
G-10
IC801
G-5
IC802
G-6
IC803
G-4
IC804
G-7
IC805
G-4
IC806
G-8
IC901
E-10
IC902
F-8
LED901
I-8
Q101
F-4
Q102
E-4
Q103
E-4
Q104
E-5
Q105
E-4
Q106
E-2
Q107
E-2
Q108
D-5
Q109
D-4
Q110
F-1
Q111
E-1
Q112
D-2
Q201
F-4
Q202
E-5
Q203
E-6
Q204
E-5
Q205
E-5
Q206
C-2
Q207
C-2
Ref. No.
Location
Q208
D-5
Q209
D-5
Q210
B-1
Q211
C-1
Q212
B-3
Q301
F-6
Q302
F-6
Q303
F-7
Q304
E-7
Q305
E-6
Q306
B-6
Q307
B-6
Q308
E-7
Q309
E-6
Q310
A-7
Q311
A-6
Q312
B-7
Q401
F-7
Q402
F-7
Q403
F-8
Q404
E-8
Q405
E-7
Q406
B-9
Q407
B-9
Q408
E-8
Q409
E-7
Q410
A-9
Q411
A-8
Q412
B-10
Q801
F-5
Q802
G-3
Q803
H-3
Q804
G-3
Q805
F-8
Q806
F-9
Q807
D-10
Q808
E-10
Q901
E-9
Q902
E-10
Q903
H-8
Q904
F-9
Q905
F-10
Q906
G-10
Q907
G-10
Q908
D-12
Q909
E-12
Q910
E-13
Q911
E-13
Q912
D-13
Q913
C-13
Ref. No.
Location
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
14
L
R
FRONT SPEAKER OUT
(FRONT)
CN903
L
R
REAR SPEAKER OUT
(L+R)
CN904
POWER/
PROTECTOR
-1
-7
-2
-8
L
L
R
R
LED901
(L+R)
FRONT
REAR
-1
L
-2
R
-3
L
-4
R
(REAR)
25A
F902
25A
F901
REM
+12V
GND
-2
-1
VR802
LEVEL
R163
R168
R154
R254
R151
R251
JR2
JR3
R366
JR10
R266
R802
C802
JR1
SW802
SW801
VR801
LEVEL
R801
R172
R272
Q803
Q804
C155
C355
C455
C910
C912
C255
R803
R804
JR15
JR16
Q903
R401
R101
R201
R301
JR6
JR7
JR8
JR9
JR17
JR18
JR19
JR26
R934
JR30
R919
R472
R372
JR29
R933
R932
JR27
JR21
JR22
JR25
R914
JR31
R815
R920
JR28
Q808
Q807
R926
R927
R814
R466
R921
JR20
JR23
JR24
JR33
R454
R354
R351
R451
JR32
JR4
JR5
R805
R166
R167
Q112
R268
JR13
R267
JR14
R368
R367
R468
R467
R165
Q107
Q106
Q206
D102
D202
C152
R160
R176
Q102
C2
B2 B1
E
C1 C2
B2 B1
E
C1
C2
B2 B1
E
C1
C2
B2 B1
E
C1
C2
B1 B2
E
C1
C2
B2 B1
E
C1
C2
B1 B2
E
C1
C2
B1 B2
E
C1
Q103
Q202
Q203
Q302
Q303
Q402
Q403
R162
C153
C253
R261
R109
C105 C107
R302
R209
C209
C212
C205 C207
C405 C407
R407
C305 C307
R409
IC804
IC901
IC806
IC802
C309
R309
C412
C312
R811
C452
R901
C902
R902
JR12
R903
R915
Q907
Q906
D903
Q904
Q805
D401
Q901
Q902
Q806
D902
C918
C903
R906
R913
R916
D904
C909
R918
R917
R909
R912
R910
R911
R922
R924
R925
R923
C916
D807
Q412
C915
Q908
JW143
JW144
JW145
C819
C821
C822
C820
L801
JW146
JW147
JW148
Q909
R931
R930
R929
R928
C911
TH903
C917
D806
C825
C824
D805
C901
C905
R371
R471
C812
C907
C904
R453
R905
R904
R904
C202C302C401
C402
C201C301
C801
C803
C804
R208
R108
IC801
Q802
D802
Q301
Q401
Q201
C151
Q101
Q801
IC803
IC805
R161
R275
R276
R175
R260
Q109
Q105
Q104
Q205
Q204
D201
Q108
Q209
Q208
Q309
Q305
Q304
Q405
JW61
JW55
Q408
Q404
Q308
Q409
R159
R257
R255
R256
R258
R259
R357
R358
R359
R355
R356
R457
R458
R459
R455
R456
R462
R353
R452
C451
R352
R809
R360
C252
C352
JR11
R376 R375
C353
R361
R362
R476
R460
R475
C453
R461
R461
IC902
4
3
1
2
R262
R153
R152
R252
R102
R104
R103
R105
R107
C112
C208
R202
R204
R203
R205
R207
R304
R303
R305
R307
R402
R406
C406
R306
C306
R404
R403
R405
C102
C805
R312
R412
R413
R313
JW112
JW29
JW30
JW22
JW159
JW47
JW27
JW41
JW40
JW28
JW44
JW42
JW43
JW45
JW46
JW32
JW48
JW19
JW18
JW12
JW17
JW16
JW13
JW7
JW5
JW8
JW6
JW15
JW14
JW20
JW21
JW31
JW156
JW26
JW25
JW24
JW23
JW25
JW24
JW23
JW116
JW117
JW118
JW119
JW128
C914
C913
JW154
JW153
JW140
JW138
JW139
JW137
JW134
JW131
JW130
JW129
L901
JW135
JW136
JW110
JW92
JW93
JW94
JW95
JW97
JW98
JW99
JW87
JW86
JW152
JW150
JW151
JW85
JW100
JW101
R469
R369
Q310
Q311
E
C
B
E
C
B
E
C
B
E
B C E
B C E
C
B
Q411
Q410
JW96
JW90
JW89
JW88
JW73
JW91
JW133
JW102
JW59
JW60
JW109
JW111
JW108
JW107
JW103
JW104
JW132
C826
C827
JW105
JW121
JW123
JW122
T901
JW106
JW157
JW74
JW113
JW114
JW115
R408
C410
R410
C409
R411
R308
C310
C351
C815
C211
C111
C308
C810
C251
C411
C311
C408
C908
C814
C906
C354
C154
C254
C454
R310
R311
C101
R213
R113
R111
R211
R212
R112
R110
R210
R171
R271
C811
R810
R106
C106
R206
C206
C109
C108
R806
C808
C809
R808
D801
R807
R253
R158
R157
R156
R155
R164
R177
R170
JW62
JW63
R269
R169
JW64
JW49
JW33
JW34
JW35
JW36
JW1
JW2
JW11
JW9
C110
C210
JW10
JW155
JW3
C813
JW4
JW39
JW38
JW37
JW53
JW56
JW54
JW57
JW58
JW50
JW51
JW52
JW65
JW67
JW75
JW79
JW80
JW82
JW83
JW81
JW68
JW69
JW70
JW71
JW72
JW76
JW77
JW78
JW84
JW66
R264
TH901
R277
R270
E C B
B C E
E C B
E C B
E C B
E C B
E C B E C B
E C B
B C E
B C E
B
E
C
Q905
E C B
E C B
E C B
E C B
E C B
E C B
E C B
D302
D301
D402
E C B
E C B
D101
E C B
E C B
B C E
B C E
B C E
B C E
R907
R908
TH902
R363
R365
R364
Q307
R464
Q312
Q407
Q406
Q306
R470
R377
R463
R465
R477
C817
C818
C823
R370
R265
Q207
Q212
Q210
Q211
Q110
Q111
B
C
E
B
C
E
E
C
B
B
B
E
C
B
B
C
E
B
C
E
D901
R263
4
1
9
16
8
1
5
8
4
1
5
8
4
1
5
8
4
1
5
8
4
1
5
8
4
1
5
8
JW158
JW142
JW141
D803
D804
Q913
A
K
A
K
A
K
S
D
G
Q912
S
D
G
Q910
S
D
G
Q911
S
D
G
E C B
E C B
JW127
JW124
JW120
JW126
JW125
JW149
1-861-860-
11
MAIN BOARD
-2
-1
-4
-3
-6
-5
-8
-7
OFF ON
SW802
LPF(80Hz)
OFF ON
SW801
HPF(80Hz)
-2
-1
-2
-1
-2
-1
R
G
CN901
INPUT
CN902
HIGH LEVEL INPUT
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