Sony XM-552ZR Service Manual ▷ View online
9
9
XM-552ZR
XM-552ZR
SECTION 3
DIAGRAMS
3-1. BLOCK DIAGRAM
2
3
PRE AMP
IC301 (1/2)
2
3
L.P.F
IC302 (1/2)
DIFFERENTIAL
AMP
Q103
POWER
AMP
Q110
OVERLOAD
DET
Q112
DRIVE
AMP
Q104
DRIVE
AMP
Q108
DIFFERENTIAL
AMP
Q102
POWER
AMP
Q111
DRIVE
AMP
Q105
DRIVE
AMP
Q109
BIAS
Q206,
207
CN902
D906
INPUT
L
(BTL)
SPEAKER OUT
L
R
MUTE
SWITCH
Q102
REM
+12V
GND
9
DIFFERENTIAL
AMP
Q203
POWER
AMP
Q210
OVERLOAD
DET
Q212
DRIVE
AMP
Q204
DRIVE
AMP
Q208
DIFFERENTIAL
AMP
Q202
POWER
ON/OFF
Q903
MUTE
CONTROL
Q301,302,311
POWER
AMP
Q211
DRIVE
AMP
Q205
DRIVE
AMP
Q209
CN901
L
HIGH LEVEL
INPUT/SENSING
POWER ON
R
MUTE
SWITCH
Q201
OVERLOAD
PROTECT
Q307,308
Q307,308
15
16
1
2
14
12
B+
SWITCH
Q902
OVER VOLTAGE
DETECT
Q901
DC DET
IC902
REF.
REG
TEMP. DET
TH901-903
TH901-903
BUFFER
Q904
THERMAL DET
Q912,913
CN903
F901
RECT
D303
D303
RECT
D304
D304
+15V
+30V
SWITCHING
DRIVER
Q910
SWITCHING
DRIVER
Q911
DRIVER
Q909
PROTECTOR
DETECT
Q905,906
DRIVER
Q908
8
10
3
11
LED901
POWER/
PROTECTOR
DC-DC
CONVERTER
TRANSFORMER
T901
DC-DC CONVERTER
IC901
D902
D903
• Signal path
: AUDIO
: AUDIO
CN904
BTL
-1
-2
LED DRIVER
Q907
R
(PROTECTOR)
G
(POWER)
R
1
1
CR
FILTER
ON
OFF
SW301-1
VR301-1
SW301
LPF(80Hz)
30A
VR301
LEVEL
2
1
GAIN CONTROL AMP
IC303 (1/2)
GAIN CONTROL AMP
IC303 (2/2)
5
PRE AMP
IC301 (2/2)
6
5
L.P.F
IC302 (2/2)
7
7
CR
FILTER
SW301-2
VR301-2
6
7
6
+15V REG
Q303,304,309
–15V
–30V
–15V REG
Q305,306,310
BIAS
Q106,
107
10
10
XM-552ZR
XM-552ZR
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.
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
• Waveform
1 V/DIV, 10
µ
sec/DIV
1
IC901
5
3.3 Vp-p
16
µ
sec
11
11
XM-552ZR
XM-552ZR
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
E C B
Q108
Q109
Q204
Q205
Q104
Q105
Q304
Q309
Q310
Q306
Q303
Q305
C302
C111
C312
C313
C305
C905
C317
D307
C907
IC902
C215
C115
R134
R234
C914
C901
JW88
JW94
JW93
JW91
JW92
JW95
JW96
C306
C307
T901
JW54
JW78
JW53
JW52
JW51
JW50
JW55
JW56
JW57
JW72
JW71
JW70
JW58
D302
C917
C915
AMP BOARD
Q101
Q907
Q301
Q311
D301
Q302
JW14
JW67
JW19
D102
Q112
Q107
Q211
Q210
D303
D304
Q911
Q910
JW97
D101
D202
Q202
Q203
Q102
Q103
D201
IC301
IC302
IC303
D904
D903
Q903
Q901
D905
IC901
D902
R131
R130
R133
JR4
R233
R227
R226
R240
R228
C315
C308
C309
R239
R231
R229
R230
R910
R911
R127
R128
R139
C212
C112
R126
R122
R223
R123
R220
R221
R222
R121
R120
R140
R125
R116
R225
R102
R103
R104
R107
R108
C206
C106
C209
R105
R205
R106
R236
R206
R202
R204
R203
R207
R302
R944
R943
C116
C117
C216
R211
R109
C108
R111
R110
C107
C207
R210
C208
R112
JW12
R212
R209
R216
R307
C310
C311
R308
R217
C213
R224
R215
C109
JR3
JW17
JW103
R137
R138
R142
R141
R214
JR2
R136
C101
C102
R101
R201
C217
C201
D906
R208
C205
C203
C204
C303
C304
C104
C103 C105
JR1
R301
R317
C314
C301
CN902
CN901
C202
R918
R303
R917
R933
R904
R902
C903
R903
C919
R942
C909
R912
R914
R906
R901
R909
C906
C904
C904
C902
R932
R934
R913
C908
JW86
JW90
C918
Q912
Q913
R937
JR7
JR9
JR6
JR5
R936
C921
R935
R916
Q308
C318
R931
R915
R905
JR8
JW80
JW106
JW79
JW83
JW82
JW81
JW84
R938
R939
R927
R922
R921
R924
R926
R928
R920
Q902
R919
Q904
R930
R321
C316
R135
R235
R235
R318
R907
C910
C911
R925
R923
R305
R306
R304
R309
C110
R113
R213
C210
R314
R316
R319
R320
R313
R315
R238
R242
R237
R114
R241
R115
R118
R119
C113
R124
R117
R218
R219
R129
JW37
JW36
JW35
C114
JW100
JW41
JW40
JW59
JW60
JW61
JW99
JW76
L301
L303
L302
L305
JW68
JW63
L304
JW65
JW24
JW28
JW27
JW21
JW20
JW10
JW7
JW13
JW5
JW6
JW15
JW49
JW46
JW23
JW18
C211
JW31
JW22
JW48
JW75
JW64
JW16
JW4
JW3
JW2
JW1
JW98
JW9
JW8
VR301
-1
-2
LEVEL
SW301
LED901
JW39
JW25
JW69
JW73
JW66
JW77
JW74
R232
JW33
JW32
JW29
JW105
C214
JW102
JW104
JW101
JW45
JW44
JW42
JW43
JW43
JW89
JW34
JW38
Q207
Q206
Q212
TH901
L901
Q908
Q909
Q307
Q905
Q906
TH902
C2 C1
B2 B1
E
C1 C2
B1 B2
E
C2 C1
B2 B1
B2 B1
E
C1 C2
B1 B2
B1 B2
E
TH903
Q110
Q106
R132
REM
+12V
GND
-2
-4
-1
-3
INPUT
CN902
SPEAKER OUT
-1
L (BTL)
-2
R
L
R
POWER/
PROTECTOR
OFF ON
SW301
LPF(80Hz)
-1
R
G
(PROTECTOR)
(POWER)
-2
CN904
BTL
CN903
30A
F901
11
1-868-780-
B C E
B
C
E
E C B
B
C
E
B
C
E
B C E
E C B
E C B
E C B
E C B
E C B
Q208
Q209
E C B
1
4
8
5
1
4
8
5
1
4
8
5
B
C
E
Q111
B
C
E
B
C
E
C
E
E
C
B
B
4
3
1
2
E C B
B C E
B C E
B C E
B C E
B C E
B C E
B C E
E C B
1
8
16
9
B C E
E C B
B C E
B C E
E C B
D305
Q201
D306
HIGH LEVEL
INPUT/
SENSING
POWER ON
-1
-3
-2
-4
L
R
CN901
B C E
A K A
K A K
G D S
G D S
Ref. No.
Location
D101
E-4
D102
E-4
D201
E-5
D202
E-5
D301
G-7
D302
G-6
D303
C-12
D304
C-12
D305
F-6
D306
F-7
D307
E-9
D902
B-4
D903
G-8
D904
H-9
D905
G-8
D906
H-2
IC301
G-3
IC302
G-5
IC303
G-5
IC901
F-9
IC902
G-7
LED901
I-6
Q101
F-4
Q102
E-4
Q103
E-4
Q104
D-4
Q105
D-4
Q106
D-2
Q107
D-3
Q108
B-3
Q109
B-3
Q110
C-2
Q111
E-2
Q112
D-3
Q201
F-5
Q202
E-5
Q203
E-5
Q204
D-5
Q205
D-5
Q206
B-7
Q207
B-7
Q208
C-4
Q209
C-5
Q210
A-8
Q211
A-6
Q212
C-7
Q301
G-6
Q302
G-7
Q303
D-6
Q304
E-6
Q305
D-7
Q306
E-7
Q307
E-9
Q308
E-8
Q309
E-6
Q310
E-7
Q311
G-6
Q901
H-9
Q902
F-10
Q903
H-9
Q904
F-9
Q905
F-8
Q906
F-9
Q907
H-6
Q908
E-10
Q909
E-11
Q910
E-12
Q911
D-12
Q912
F-8
Q913
G-8
• Semiconductor
Location
12
12
XM-552ZR
XM-552ZR
• Refer to page 10 for Waveform.
3-3. SCHEMATIC DIAGRAM • Refer to page 13 for IC Block Diagram.
IC B/D
C103
C203
R202
R133
R233
R901
R902
R903
C909
F901
C102
C101
C202
C201
R101
R201
C302
R302
R301
C301
R102
R103
R203
C104
C105
C303
C106
R109
C206
R209
R210
C204
C205
C304
C109
C110
C209
R114
R214
R123
R125
R124
R122
R127
C114
R129
R130
R132
R223
R225
R224
R222
R227
R231
R229
C214
R230
R232
R234
R932
C902
R904
R906
C904
R915
R916
C911
C906
C908
C318
R927
R928
R922
R924
R921
R923
R919
R920
C915
C306
C307
R307
R308
C308
C310
C311
R313
R314
R319
C312
R315
R316
R320
C313
R318
C316
C317
R931
R306
C314
R317
C315
C907
R912
R304
R110
R116
R131
R134
R216
C905
C210
C903
C107
C207
C108
C208
R113
R213
Q101
Q201
R309
R303
R142
R141
R242
R241
Q102
Q202
Q103
Q203
Q104
Q204
Q105
Q205
Q108
Q208
Q110
Q210
Q109
Q209
Q111
Q211
R117
R217
C111
C211
Q301
Q311
C305
Q910
Q911
Q908
Q909
T901
D303
D304
Q303
Q304
Q309
Q305
Q306
Q310
L901
C116
C117
R943
R944
C919
R942
Q901
Q905
Q906
Q902
R939
C917
R934
C921
R938
R937
C918
R933
R930
R917
R918
R104
R105
R204
R205
R136
R236
R140
R240
R321
C901
C910
CN901
CN902
L304
L305
L302
L303
SW301
VR301
VR301
CN904
CN903
TH901
TH902
TH903
D906
C216
C217
R107
R106
IC301(1/2)
IC301(2/2)
R206
R207
R208
R211
R108
R111
IC302(1/2)
IC302(2/2)
R112
R212
IC303(1/2)
IC303(2/2)
R118
R121
R138
D101
R126
D102
R119
R137
R120
R128
Q107
Q106
R139
C115
C215
R235
R135
Q212
R239
Q207
Q206
R228
R226
D201
R238
R221
R218
D202
R219
R237
R220
IC902
Q302
R305
D301
D302
C914
L301
C309
D305
D306
D307
Q307
Q308
LED901
Q907
R907
IC901
R913
R914
Q904
D902
D903
Q912
Q913
Q903
R905
D904
R115
R215
C112
C113
Q112
C212
C213
R925
R926
R936
R935
D905
R909
R910
R911
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