Read Sony XM-ZR704 Service Manual online
XM-ZR704
XM-ZR704
11
11
3-1. BLOCK DIAGRAM
2
3
3
PRE AMP
IC101 (1/2)
1
BOOT AMP
IC109 (1/2)
DIFFERENTIAL
AMP
Q103
POWER
AMP
Q108,110
DRIVE
AMP
Q104
DIFFERENTIAL
AMP
Q102
POWER
AMP
Q109,111
DRIVE
AMP
Q105
BIAS
Q106,107
BIAS
Q206,207
CNJ101 (1/2)
CN901
MUTE
Q101
+12V
GND
9
PRE AMP
IC101 (2/2)
DIFFERENTIAL
AMP
Q203
POWER
AMP
Q208,210
DRIVE
AMP
Q204
DIFFERENTIAL
AMP
Q202
INITIAL
MUTE
Q830
POWER
AMP
Q209,211
DRIVE
AMP
Q205
-3
-2
-4
FL
FR
RL
RR
-1
L
FRONT
INPUT
D601
D605
REAR (L+R)
R
CN903
L
R
MUTE
Q201
REM SWITCH
Q835,836
1
2
2
14
12
REF.
5V
CN904 (2/2)
F901
25A
SWITCHING
DRIVER
Q201,203,205
SWITCHING
DRIVER
Q202,204,206
8
10
11
3
D943
POWER/
PROTECTOR
FRONT
SPEAKER
OUT
DC-DC
CONVERTER
TRANSFORMER
T901
DC-DC CONVERTER
IC901
B+
SWITCH
Q920
REM
DETECT
Q923
OVERLOAD
DET
Q112
OVERLOAD
DET
Q212
CN904 (1/2)
L
(L+R)
R
REAR
SPEAKER
OUT
5
6
6
CNJ101 (2/2)
L
R
REM
PROTECTOR
LATCH
Q941,942
DC BALANCE
PROTECT
(REAR)
Q805,806
DC BALANCE
PROTECT
(FRONT)
Q803,804
POWER
ON/OFF
Q921
+38V
D820
+34V
–34V
–38V
D803,805
RECT
D801,802
RECT
D809-812
RECT
+15V
D804,806
RECT
(FRONT)
(REAR)
HIGH
LEVEL
INPUT
F902
25A
PRE AMP
IC301 (1/2)
BOOT AMP
IC309 (1/2)
DIFFERENTIAL
AMP
Q303
POWER
AMP
Q308,310
DRIVE
AMP
Q304
DIFFERENTIAL
AMP
Q302
POWER
AMP
Q309,311
DRIVE
AMP
Q305
MUTE
Q301
PRE AMP
IC301 (2/2)
DIFFERENTIAL
AMP
Q403
POWER
AMP
Q408,410
DRIVE
AMP
Q404
DIFFERENTIAL
AMP
Q402
POWER
AMP
Q409,411
DRIVE
AMP
Q405
MUTE
Q401
OVERLOAD
DET
Q412
5
2
3
3
6
TEMP.DET
TH901-903
TH901-903
R
(PROTECTOR)
G
(POWER)
THERMAL PROTECT
Q924,925
VCC
VREF
ERROR
ERROR
D921
INVERTER
SWITCH
Q943
OVER VOLTAGE
DETECT
Q922
D920
D701-703
(ILLUMINATION)
D941,
D942(1/2)
D942(2/2)
IC105 (1/2)
IC103 (1/2)
IC107 (1/2)
IC207 (1/2)
EQ
(HPF)
BOOT AMP
IC109 (2/2)
7
BOOT AMP
IC309 (2/2)
1
MUTE
DRIVER
Q931
MUTE
DRIVER
Q932
MUTE
DRIVER
Q933
MUTE
DRIVER
Q934
15
16
16
1
7
BIAS
Q306,307
BIAS
Q406,407
• Signal path
: AUDIO
: AUDIO
SENSING
POWER ON
EQ
(LPF)
EQ
(LPF)
HPF
7
IC105 (2/2)
IC103 (2/2)
IC107 (2/2)
IC207 (2/2)
EQ
(HPF)
RV103
LEVEL
LEVEL
HP
S101
OFF
RV101
SUBSONIC
FILTER
RV104
LOW BOOST
(40Hz)
RV102
FILTER
LP
EQ
(LPF)
EQ
(LPF)
HPF
+15V
–15V
+15V REG
Q801
–15V REG
Q802
IC305 (1/2)
IC303 (1/2)
IC307 (1/2)
IC407 (1/2)
EQ
(HPF)
EQ
(LPF)
EQ
(LPF)
HPF
IC305 (2/2)
IC303 (2/2)
IC307 (2/2)
IC407 (2/2)
EQ
(HPF)
RV303
LEVEL
LEVEL
HP
S301
OFF
RV301
SUBSONIC
FILTER
RV304
LOW BOOST
(40Hz)
RV302
FILTER
LP
EQ
(LPF)
EQ
(LPF)
HPF
1
7
3
2
2
5
6
6
3
2
2
5
6
6
OVERLOAD
DET
Q312
Click on the first or last page to see other XM-ZR704 service manuals if exist.