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HCD-EC69/EC79/EC99
HCD-EC69/EC79/EC99
32
32
6-12. SCHEMATIC DIAGRAM - 2CH-4CH AMP Board -
K
BOARD
MAIN
CN603
(1/2)
J
BOARD
MAIN
CN633
(1/2)
M
BOARD
MAIN
CN632
(1/2)
-0.8
0
0
-0.8
0
0
-0.8
0
0
-0.8
0
0
-39.8
-41.7
41.2
0
0
0
0
39.8
0
0
0.7
0
0
0
0
0
0
0
0
0
0
-39.8
-41.7
41.2
0
0
0
0
39.8
0
0
0.7
0
0
C126
100p
R124
1.2k
R130 470
C152
0.1
MA2J1110GLS0
D140
470
R110
R127
47k
C107
3p
TP111
R154
22k
2W
R132
0.22
TP112
R128
47k
50V
C121
1
C108
3p
C124
470p
2W
0.22
R112
0.1
C161
2W
R131
0.22
TP109
2.2k
R145
C106
100p
0.1
C112
2W
0.22
R111
2SA2026
Q151
MC2838-T112-1
D152
1
2
3
4
5
6
7
7P
CN101
PA-GND
HI-OUT-R
LOW-R/SW-OUT
+VH
-VH
LOW-L/SW-OUT
HI-OUT-L
50V
C102
1
C125
100p
25V
C109
47
R114
47k
TP102
2SA2026
Q152
2SA2026
Q141
C128
3p
R153
22k
R134
47k
C151
0.1
MC2838-T112-1
D141
TP105
470
R109
C123
470p
C142
0.1
50V
C122
1
2SA2026
Q142
C119
0.01
TP107
R129 470
C111
4700p
R125
4.7k
C127
3p
TP103
1
9
8
7
6
5
4
3
2
15
14
13
12
11
10
IC102
STK433-060 (EC69)
STK433-070 (EC99)
22k
R143
R108
47k
R113
47k
TP108
C141
0.1
50V
C101
1
1.2k
R142
R123
1.2k
22k
R144
1
2
3
4
5
5P
CN100
OVERLOAD
AMP-STBY
IN-L
A-GND
IN-R
C104
470p
C103
470p
C120
0.01
2.2k
R146
TP106
1.2k
R141
TP104
220
R160
220
R162
R151
1.2k
TP101
C105
100p
0.1
C160
R126
4.7k
R119
100
220
R161
TP110
1
2
3
4
5
5P
CN102
PA-GND
LOW-OUT-R
+VH
-VH
LOW-OUT-L
R156
2.2k
25V
C110
47
R107
47k
220
R163
R152
1.2k
R133
47k
C162
1k
R120
R155
2.2k
R116
1.5k
R115
1.5k
R135
1.5k
R136
1.5k
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
19
18
17
16
20
21
22
23
STK433-870-E
IC101
50V
C129
1
50V
C130
1
0.1
C165
0.1
C164
R164
220
R165
220
R166
220
R167
220
R103
R104
R105
R106
C163
C166
50V
10
50V
C167
10
JW110
JW109
IC102
POWER AMP
IC101
POWER AMP
2CH-4CH AMP BOARD
4
B
6
9
11
D
15
H
10
3
5
12
C
F
1
E
8
G
14
A
2
13
I
7
(EC79)
(EC79)
OVER LOAD DETECT
Q141, 142, 151, 152
(EC79)
(EC69/EC99)
(EC79)
-PRE
-VCC
+VCC
+PRE SUB GND
ST-BY
-PRE
-VCC
+VCC
+PRE SUB GND
ST-BY
(EC79)
(EC69/EC99)
C162, 163
100 50V (EC69/EC99)
220 50V (EC79)
R103, 104
1.2k (EC79)
1.5k (EC99)
1.8k
EC69:
E2, E51,
MX, AR
2.2k (EC69: AEP, RU)
R105, 106
2.2k (EC69)
4.7k (EC79/EC99)
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Ver. 1.2