Read Sony XM-405EQX Service Manual online
XM-405EQX
3-1. BLOCK DIAGRAM — AMP SECTION —
– 9 –
– 10 –
SECTION 3
DIAGRAMS
L
R
L
R
HIGH LEVEL
INPUT
R-CH
R-CH
R-CH
L+
L–
R+
R–
HIGH LEVEL
INPUT
SUB
WOOFER
LEVEL
CONTROL
R-CH
L+
L–
R+
R–
FRONT
L
R
REAR
3
2
3
2
IC101
IC301
5
6
IC501
3
2
IC501
R-CH
R-CH
INPUT
MODE
MODE
S501
FRONT
F+R
F+R
IC502
5
7
FRONT
REAR E Q
THE SAME AS ABOVE BLOCK DIAGRAM
IC103
7
5
3
2
IC102
1
IC103
2
1
VR101-1,2
FILTER
S101-1
FILTER
FILTER
VR102-1
50Hz
OFF
HFP
FRONT EQ
VR103-1
200Hz
50Hz
EQ
200Hz
EQ
IC104
IC105
VR104-1
800Hz
800Hz
EQ
IC106
VR105-1
3.2kHz
3.2kHz
EQ
IC107
VR106-1
12.8kHz
SW102
DIRECT
VR107
LEVEL
12.8kHz
EQ
IC108
IC109
5
6
7
IC110
2
1
OFF
ON
MUTE
Q112
MUTE
Q312
MUTE
Q512
POWER
AMP
Q301-310
POWER
AMP
Q101-110
BUF
Q809, 812
BUF
Q808, 811
MUTE
OVER-C
OFFSET
OVER
CURRENT
DETECT
Q311
OFFSET
DETECT
Q818-820
OFFSET
DETECT
SUB
WOOFER
POWER
AMP
LED
SCAN
Q815-817
OVER
CURRENT
DETECT
Q111
1
1
7
1
INPUT
INPUT
INPUT
2
1
IC502
VR501
LEVEL
VR502
FILTER
VR503
LOW BOOST
LOW
BOOST
5
7
IC503
3
1
IC503
Q513
Q501-510
OVER
CURRENT
DETECT
Q511
IC801
3
1
1
3
16
|
21
O1
|
6
12
|
15
D1
|
4
EQUALIZER
INDICATOR
INDICATOR
IC802
LD801-824
Q801-804
AC1
AC2
R-CH
6
4
(MATRIX)
CN804
L+
L–
L
R–
R+
R
R-CH
R-CH
MONO-L
FRONT
SPEAKER
OUT
CN805
L+
L–
CN806
SUB+
SUB–
L
R–
R+
R
MONO-L
REAR
SPEAKER
OUT
SPEAKER
POWER
SECTION
CNJ801-1
CNJ801-2
CN802
CNJ801-3
CNJ801-4
CN803
CNJ801
CNJ809-1
CNJ809-2
1
2
US, Canadian
1
04
· Signal path
: AUDIO
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