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• See page 9 for Waveforms • See page 9 for IC Block Diagram.
3-3. SCHEMATIC DIAGRAM
C901
CNJ801
0.1
2P
R102
22k
L
C102
4.7
R202
50V
22k
INPUT
R103
22k
R201
R203
C103
1k
22k
4.7
50V
R
C101
R101
220
3.3k
16V
CNP802
CNJ802
11P
HIGH LEVEL INPUT L(−)
HIGH LEVEL INPUT L(+)
HIGH LEVEL INPUT R(−)
HIGH LEVEL INPUT R(+)
REMOTE INPUT
REMOTE LEVEL
CONTROLLER
GND
+B 12V
F901
20A
32V
(1/2)
MIX AMP
IC802(2/2)
BA4560F
C109
33p
R113
R114
10k
10k
IC801(1/2)
BA4560F
C115
47
16V
R108
5.6k
C114
IC801(2/2)
0.22
BA4560F
R110
R111
R112
1.5k
3.3k
4.7k
C110
1000p
VR802
20K/20K
C111
1000p
LPF
VR801
5K
(2/2)
LEVEL
PRE AMP
C112
R109
C113
47
C804
150
0.1
16V
1000p
R935
5.6k
R901
3.3k
D913
R902
MTZJ33B
1k
R903
10k
Q901
2SC2412
LED DRIVE
1
2
(POWER)
IC903
Q902
PS2501L-1
2SC2412
ISOLATOR
LD901
LED DRIVE
4
3
GL5ED60
(PROTECTOR)
POWER/PROTECTOR
R905
R904
3k
10k
C926
R936
22
10k
35V
TH901
R937
Q914
3.3k
2SA1037
Q913,914
PROTECT
D910
R939
DAN202K
DETECT
10k
Q913
2SC2412
DC/DC
CONVERTER
IC901
µPC494G5
R940
10k
C927
R938
R906
R941
470p
47k
1.8k
100k
R117
33k
LOW-PASS FILTER
R119
C118
1.5k
1000p
C117
0.1
C116
S801
0.1
PHASE
+
IC803(1/2)
BA4560F
−
IC803(2/2)
LOW BOOST
BA4560F
IC802(1/2)
BA4560F
Q101
2SC3327
LINE
SWITCH
R115
R116
R118
R120
2.2k
33k
1k
10k
C902
0.1
R802
1M
D914
MTZJ33B
Q801
2SA1037
R803
Q912
680
2SC2412
TEMPERATURE
Q801,802
R804
DETECT
MUTING
10k
D801
UDZS6.8B
Q802
2SC2412
C802
22
35V
TH902
R914
R915
4.7k
220
Q903
2SB1238
R913
B+ SWITCH
10k
4
3
IC902
PS2501L-1
MUTING
CONTROL
1
2
R917
R918
1.5k
R916
3.3k
C908
1000p
Q904
R942
2SC2412
10k
C903
C905
POWER
22
47
16V
16V
ON/OFF
R908
R909
220
10k
C906
C907
R912
R922
R921
22
100
100k
10k
10k
35V
16V
11
11
D102
DAN202K
R122
R123
R124
R132
47k
1.5k
1.5k
100
Q104,105
DRIVE AMP
Q104
2SA965
C120
33p
C121
R130
R136
Q108
0.1
100k
6.8k
2SC3421
-1
-2
Q102
2SC4207
Q107
2SA1037
Q102,103
R128
C119
DIFFERENTIAL
2.2k
47
AMP
16V
Q106
2SD637
Q106,107
BIAS
-1
-2
Q103
R131
2SA1618
100k
Q109
Q105
2SA1358
2SC2235
R125
R126
R127
D103
R133
1.5k
1.5k
47k
DAN202K
100
R129
22k
R121
C123
0.022
3.3k
R815
470k
R810
10k
Q803
2SC2412
C806
C916
R814
47
3300
R811
1M
16V
50V
R805
10k
75k
Q804
2SA1037
D802
DAN202K
Q803-805
R812
OVER LOAD DETECT
Q805
10k
C917
R806
2SC2412
3300
33k
50V
R813
10k
Q906-909
DC/DC
T901
CONVERTER
DC/DC CONVERTER
R919
3.3k
R926
R928
22
2.2
Q908
FKV550N
S
Q905
DTA114EKA
REGULATOR
1.5k
R920
1k
D903
D904
UDZS6.8B
UDZS16B
Q906
C911
2SC2412
2200
16V
C912
2200
16V
Q907
2SC2412
R931
1k
S
R930
R932
Q909
22
2.2
FKV550N
C928
R807
470
2.2k
16V
XS-AW81P5
Q108-111
FINAL
DRIVE
R138
Q110
2.2
2SC5100
CNP101
1P
R140
R137
0.1
220
5W
SP101
C124
0.047
R141
2.2
CNP102
1P
R139
2.2
Q111
2SA1908
C801
0.01
(CHASSIS)
C925
1000p
C924
1000p
(CHASSIS)
C922
100
16V
C923
100
16V
D907
FCH08A15
Q910
2SC3421
R933
+15V
3.3k
REGULATOR
C920
D911
1
L901
UDZS15B
50V
C921
D912
1
UDZS15B
50V
R934
D908
3.3k
FRH08A15
Q911
2SA1358
-15V
REGULATOR
C913
0.01
(CHASSIS)
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