Sony XM-1652Z Service Manual ▷ View online
5
XM-1652Z
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
four screws
(+BTP 3
x 5)
2
four screws
(+BTP 3
x 5)
6
XM-1652Z
2-2. MAIN BOARD SECTION
2-3. MAIN BOARD
1
three screws
(+BTP 3
x 8)
2
three screws
(+BTP 3
x 8)
4
screw
(+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.
5
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)
8
XM-1652Z
SECTION 3
DIAGRAMS
IC902 µPC494GS
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
OSC
REF. REG.
ERROR
ERROR
0.1V
• 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. (p: pF)
• All capacitors are in µF unless otherwise noted. (p: pF)
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.
3.6 Vp-p
22.5
µ
sec
1
IC902
5
(CT)
1 V/DIV, 5
µ
sec/DIV
• Waveform
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
9
9
XM-1652Z
XM-1652Z
3-1. PRINTED WIRING BOARD
• Semiconductor Location
D301
D-4
D302
C-13
D303
C-13
D304
B-10
D305
B-10
D306
E-8
D307
F-8
D308
F-8
D309
F-8
D901
I-6
D902
G-8
D903
F-8
IC301
H-4
IC302
H-3
IC303
H-3
IC304
G-5
IC901
H-6
IC902
F-9
IC903
F-8
LED901
J-7
Q101
G-4
Q102
F-4
Q103
E-4
Q104
E-4
Q105
E-4
Q106
E-4
Q107
E-4
Q108
E-4
Q109
E-2
Q110
E-2
Q111
B-2
Q112
B-2
Q113
C-2
Q114
D-2
Q115
D-2
Q116
D-2
Q117
F-2
Q118
F-2
Q119
F-2
Q120
G-2
Ref. No.
Location
Q121
H-2
Q201
G-4
Q202
F-4
Q203
E-5
Q204
E-5
Q205
E-5
Q206
E-4
Q207
E-5
Q208
E-5
Q209
B-7
Q210
B-7
Q211
B-5
Q212
B-4
Q213
B-9
Q214
B-9
Q215
B-8
Q216
B-8
Q217
B-7
Q218
B-6
Q219
B-6
Q220
B-5
Q221
B-5
Q301
H-5
Q307
B-10
Q308
B-10
Q309
E-8
Q310
E-8
Q311
F-8
Q901
G-8
Q902
G-8
Q903
G-9
Q904
E-9
Q905
E-10
Q906
J-7
Q907
E-12
Q908
E-12
Q909
G-13
Q910
E-13
Q911
F-13
Q912
D-13
Q913
F-13
Q914
D-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
JW35
JW36
JW29
L901
L902
JW37
JW33
JW32
JW30
1-865-342-
11
JW31
C901
JW34
JW40
JW41
JW42
JW43
JW44
JW45
JW46
JW47
JW48
JW51
TH301
TH303
TH302
R922
R925
R927
R924
JW101
Q914
Q912
Q910
JW188
JW187
L301
JW183
T901
JW182
R238
R241
R244
JW181
JW180
JW179
JW184
JW185
JW186
Q214
Q216
Q209
Q213
JW189
JW190
JW191
JW192
JW193
JW99
J8
JW50
JW53
JW52
JW49
JW12
JW56
JW57
R928
R930
R932
R929
R931
R933
C320
C321
C317
D302
AK
A
KA
K
D303
C315
C316
C914
C907
R914
J7
R920
R921
JW105
JW63
JW62
JW64
JW104
C910
R913
R912
R911
R910
R905
JW66
JW65
JW67
JW85
JW86
C311
JW170
JW169
JW168
JW167
JW160
JW125
JW124
JW123
JW122
JW121
JW120
JW119
JW118
JW117
JW116
JW115
JW114
JW113
JW112
JW111
JW110
JW109
JW108
JW107
JW106
JW194
JW61
JW60
JW59
JW161
JW162
JW166
C312
C314
C313
C319
C318
D304
D305
R248
R237
R239
R249
Q215
R232
R233
R231
R250
R251
Q218
R243
R242
R252
R253
R311
A A
K
B E
B E
B E
B E
B E
C
B E
E B
C
C
C
C
C
B E
C
C
E B
C
D301
Q905
Q106
Q206
Q105
Q205
E B
C
A A
K
Q906
D901
Q210
Q907
Q908
R312
R145
R148
R130
R150
R151
R142
R152
R117
R115
R118
R218
R229
R228
R215
Q301
Q201
Q101
R310
R217
R317
R213
J1
J6
-2
-4
-1
-3
J5
R301
R102
R101
R201
R918
R919
R146
R202
R208
R209
C301
R108
JW22
JW25
JW28
R G
JW21
JW14
JW15
JW16
JW23
JW24
JW83
JW84
JW82
JW87
Q102
Q202
JW20
JW19
JW18
JW17
C207
JW4
JW3
VR301
JW9
JW8
JW7
JW7
OFF
ON
-2
-1
SW301
SW301
LPF(80Hz)
VR301
LEVEL
POWER/
PROTECTOR
CN902
INPUT
CN901
CN901
HIGH LEVEL INPUT
SPEAKER OUT
CN903
30A
F902
30A
REM
+12V
GND
F901
JW2
JW1
R112
R211
R111
R210
R110
R109
R203
R204
R207
R206
R205
R105
R935
R936
C104
C105
C304
C309
C101
C201
JW26
C307
C303
C903
C114 C115
R246
R903
R904
R906
R319
C322
R147
R247
R318
R917
R916
Q904
R915
R934
R909
C906
JW68
Q901
JW69
Q902
Q903
C
C
B E
C
B E
C
C
B E
E B
C
B E
C
C
C
C
E B
E B
E B
E B
K
A A
E B
IC901
R902
C214
C323
C911
C909
C912
C215
C905
C204
C324
C326
C216
C325
C212
C205
C306
C107
C208
C203
C305
C103
C102
C202
LED901
R106
R306
R302
R103
R104
R107
R212
C106
C302
J2
R305
R304
R303
R214
IC303
1
4
8
5
4
8
5
1
4
8
5
1
4
8
5
1
IC302
IC301
IC304
C308
JW10
JW11
JW6
JW5
C206
C310
C209
C109
C210
C110
JW13
R153
C116
C111
C112
Q103
Q104
Q203
Q204
R128
R129
R122 R124
R222
R230
R224
R137
R139
R132
Q109
R133
R131
R149
R121
R140
Q110
R119
R116
R154
R254
JW89
JW27
JW91
JW90
JW88
R143
R123
R120
JW92
JW93
JW94
JW95
R125
R220
R225
R126
R134
R226
R234
R127
R221
R223
R227
R322
D309
D307
D308
R907
JW81
JW80
JW79
JW78
JW77
JW76
JW75
JW74
JW73
JW72
JW71
JW70
R908
D902
R307
R308
R309
R315
R313
R314
R316
R216
R219
R136
C113
R135
JW196
JW198
JW197
R235
JW149
JW144
JW145
JW150
JW132
R138
JW133
JW134
JW135
JW151
R245
JW143
JW148
JW147
JW146
JW142
JW141
JW140
JW139
JW139
JW138
JW137
JW136
JW137
JW136
C213
JW177
JW178
JW171
JW172
JW173
JW174
JW175
JW176
JW165
JW164
JW163
JW159
JW158
R240
JW157
JW155
JW154
JW154
JW156
R236
R321
R320
R923
R926
JW55
JW103
JW100
JW195
JW102
JW98
JW58
JW39
JW38
JW54
R901
C902
C915
C918
C917
C916
B
E
C
C
C
C
C
B
E
B
E
Q217
B
B C
E
E
Q219
B
E
C
C
Q220
Q211
B
E
C
Q113
B
E
Q114
B
C
C
E
B
EC
Q116
Q117
R141
R144
B
C
E
B
C
E
Q119
Q120
B
C
E
E
C
B
Q212
E
C
B
Q108
E
B
E
B
Q115
E
C
Q118
C
Q121
C
B
Q107
C211
JW96
JW152
JW131
JW130
JW129
JW127
JW128
JW126
JW153
JW97
Q309
Q310
C913
D903
C908
IC903
IC902
Q311
D306
Q208
Q207
Q111
E
C
B
C
B
E
C
C
B
Q112
E C B
E B
C
E C B
E C B
E C B
B C E
B C E
Q221
E C B
Q308
Q307
E
B
E
B
S
D
D
G
S
D
D
D
D
D
G
S
G
S
G
S
G
S
G
Q913
Q911
Q909
-1
L
(BTL)
-2
R
-1
L
-3
R
-2
-4
L
BTL
R
1
1
4
3
2
1
4
3
2
8
16
9
C1
B1 B2
E
C2 C1
B1 B2
E
C2
C1
B1 B2
E
C2 C1
B1 B2
E
C2
BC
E
B E
C
MAIN BOARD
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