Diagrams; Block Diagram -Amp Section - Sony XM-405EQX Service Manual

XM-405EQX
3-1. BLOCK DIAGRAM — AMP SECTION —
CNJ801-1
L
INPUT
CNJ801-2
R
FRONT
CN802
L+
HIGH LEVEL
L–
INPUT
R+
R–
CNJ801-3
L
INPUT
CNJ801-4
R
REAR
CN803
L+
HIGH LEVEL
L–
INPUT
R+
R–
CNJ809-1
L
SUB
INPUT
WOOFER
CNJ809-2
R
CNJ801
1
LEVEL
CONTROL
2
US, Canadian
04
SECTION 3

DIAGRAMS

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