Sony XM-502Z Service Manual ▷ View online
4
XM-502Z
5
XM-502Z
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-502Z
2-2. MAIN BOARD SECTION
2-3. MAIN BOARD
1
three screws
(+BTP 3
x 8)
2
three screws
(+BTP 3
x 8)
3
three screws
(+BTP 3
x 8)
After unfastening the screw,
taping with the screw inserted
facilitates the work.
taping with the screw inserted
facilitates the work.
4
MAIN board section
heat sink (MAIN)
4
panel (front)
5
MAIN board
3
two screws
(+BTP 3
x 8)
1
screw
(+BTP 3
x 8)
2
screw
(+BTP 3
x 8)
7
7
XM-502Z
3-1. PRINTED WIRING BOARD • Refer to page 9 for Common Note on Printed Wiring Boards.
SECTION 3
DIAGRAMS
• Semiconductor
Location
D101
E-4
D102
E-4
D201
E-6
D202
E-5
D301
G-7
D302
G-7
D303
C-12
D304
C-12
D305
E-6
D306
E-7
D307
B-11
D901
H-9
D902
B-4
D903
G-8
D904
G-10
IC301
H-4
IC302
G-5
IC303
G-6
IC901
G-9
IC902
G-8
LED901
I-6
Q101
F-5
Q102
E-4
Q103
E-4
Q104
D-4
Q105
D-4
Q106
D-3
Q107
D-3
Q108
B-3
Q109
C-3
Q110
C-2
Q111
E-2
Q112
C-3
Q201
F-6
Q202
E-5
Q203
E-6
Q204
D-6
Q205
D-5
Q206
B-7
Q207
C-7
Q208
C-5
Q209
B-5
Q210
B-8
Q211
B-6
Q212
C-7
Q301
H-6
Q302
H-7
Q303
F-6
Q304
F-6
Q305
F-7
Q306
F-7
Q307
E-9
Q308
E-9
Q309
E-6
Q310
E-7
Q901
G-10
Q902
G-10
Q903
G-10
Q904
F-8
Q905
F-9
Q906
F-9
Q907
H-6
Q908
E-11
Q909
E-11
Q910
E-12
Q911
E-12
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
E C B
Q108
Q109
Q209
Q204
Q205
Q104
Q105
Q309
Q310
Q208
C106
C209
C206
C302
JW13
JW19
JW23
C111
C211
C109
C312
C313
C305
C907
IC902
C215
C115
C901
C914
JW40
JW36
JW35
JW34
JW33
JW32
JW31
C905
JW30
JW39
JW37
JW38
JW43
JW47
JW48
JW45
C317
Q306
Q305
Q304
Q303
C307
C
306
T901
JW49
JW50
JW51
JW65
JW66
JW67
JW68
JW73
JW74
JW75
JW76
JW42
JW41
JW28
JW29
JW27
JW24
JW25
JW26
JW46
C915
MAIN BOARD
Q101
Q201
Q904
Q302
Q907
Q301
Q102
Q103
Q202
Q203
D102
Q107
Q211
Q210
D303
D304
Q910
Q911
D307
D101
D202
D201
IC301
IC302
IC303
R114
R217
R214
D901
D903
IC901
D902
D302
R112
R306
D301
R932
R308
R307
R130
R231
R129
JW103
JW102
JW101
JW99
C114
C214
JW100
JW92
JW88
JW70
JW69
JW71
JW72
L301
JW82
JW80
JW79
JW78
JW77
JW61
JW56
JW53
JW22
JW16
JW18
JW17
JW17
JW15
JW20
JW21
JW52
JW8
JW11
JW10
JW9
JW12
J14
VR301
-1
-2
LEVEL
JW6
JW7
JW4
JW3
JW2
JW1
SW301
LED901
CN901
JW5
JW58
JW60
JW59
JW62
JW63
JW64
JW57
R132
R232
JW97
JW95
JW94
JW93
JW91
JW90
JW89
JW87
JW86
JW85
JW85
JW84
JW83
JW96
JW98
R230
Q207
Q206
Q212
R131
R101
R201
R302
R301
R117
R317
R134
R234
R901
R906
R920
R919
R925
R926
TH901
Q903
Q901
L901
D904
Q902
JW104
JW105
Q908
Q909
Q905
Q906
Q307
Q308
JW44
R208
R209
R213
R303
R315
R316
R313
R314
R305
R304
R918
R108
R109
R110
R123
R133
TH902
Q112
R139
R122
R137
C2 C1
B2 B1
E
C1 C2
B1 B2
E
C2 C1
B2 B1
E
C1 C2
B1 B2
E
R138
R223
R126
R128
R125
R124
R238
R237
R215
R224
R318
R924
R923
R921
R928
R927
D306
D305
R319
R320
R222
R225
R107
R111
R211
R210
R909
R904
R913
R903
R907
R908
R917
R912
R914
R915
R916
R905
R902
R212
R102
R205
R206
R202
R204
R203
R207
R105
R103
R104
R106
R127
R118
R119
R121
R120
R218
R220
R221
R219
R227
R226
R228
R239
R233
R931
R922
TH903
C113
R216
R115
R116
C112
C212
C310
C311
C910
C911
C909
C904
C906
C908
C916
C903
C902
C318
C309
C316
C308
C315
C101
C102
C201
C202
C301
C314
C208
C108
C107
C104
C103
C304
C303
C303
C203 C205
C204
C105
C110
C213
C210
C207
R229
R113
JR1
R135
R235
R911
R910
Q111
Q110
Q106
REM
+12V
GND
30A
F901
CN903 (1/2)
-2
-4
-1
-3
INPUT
CN902
CN902
L
R
SPEAKER OUT
BTL
-1
L (BTL)
-2
R
POWER/
PROTECTOR
OFF ON
SW301
LPF(80Hz)
-1
R
G
-2
CN903 (2/2)
11
1-861-858-
B C E
B
C
E
E C B
E
C
B
B
C
E
B C E
E C B
E C B
1
4
8
5
1
4
8
5
B
C
EB
C
E
E
C
B
C
B
1
4
3
1
2
4
8
5
E C B
B C E
E C B
B C E
C
E
B
B C E
1
8
16
9
B C E
B C E
B C E
E C B
E C B
E C B
HIGH LEVEL
-1
-3
-2
-4
L
R
CN901
B C E
A K A
K A K
G D S
G D S