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5-8.
SCHEMATIC DIAGRAM - 2H AMP/USB-JACK/JACK Boards -
1
2
2CH AMP BOARD
A
B
W102
5P
TP105
J
LOW-OUT-L
5
TP104
-VH
4
TP103
MAIN
+VH
3
TP102
BOARD
C
LOW-OUT-R
2
CN633
TP101
(Page 23)
PA-GND
1
D
CN100
5P
E
TP108
OVERLOAD
1
K
TP109
2
AMP-STBY
TP110
3
MAIN
IN-L
TP111
BOARD
A-GND
4
CN603
TP112
(Page 23)
5
IN-R
HCD-EC59/EC590
3
4
5
IC102
2CH POWER AMP
IC102
STK433-040
1
R143
R141
22k
1.2k
D141
MC2838-T112-1
R160
R145
220
2.2k
0
0
R162
Q141
C141
220
2SA2026
0.1
OVERLOAD DETECT
0
R144
R142
C160
22k
1.2k
0.1
R146
2.2k
0
0
C164
0.1
Q142
C142
2SA2026
0.1
OVERLOAD DETECT
0
D140
C162
MA2J1110GLS0
100
50V
6
7
+PRE SUB GND
2
3
4
5
6
7
8
9
10
11
12
13
14
15
R111
R112
C105
C106
0.22
0.22
100p
100p
2W
2W
R109
R110
470
470
C107
3p
R113
47k
R161
220
R114
47k
R163
220
C108
3p
R119
100
C161
0.1
C111
4700p
C165
0.1
C163
C101
100
1
50V
50V
R103
2.2k
R120
1k
25
25
8
9
10
USB-JACK BOARD
CN561
4P
TP562
C
VBUS5V
4
TP561
D-
3
TP560
USB
D+
2
BOARD
TP559
CN903
VBUSGND
1
(Page 21)
JACK BOARD
CN496
9P
TP491
AUDIO-L
9
TP492
A-GND
8
TP493
R115
R116
N
AUDIO-R
7
1.5k
1.5k
TP494
HP-GND
6
TP495
HP-L
5
MAIN
TP496
BOARD
C109
C110
HP-R
4
47
47
CN605
TP497
25V
25V
(Page 23)
AMP-ON
3
TP498
SP-RELAY
2
C103
C104
GND
1
470p
470p
R107
R108
47k
47k
C102
1
50V
R105
R106
2.2k
2.2k
C112
0.1
R104
2.2k
HCD-EC59/EC590
11
12
13
FB561
0
R562
CN560
2.2
1
4P
2
3
R561
C565
C561
2.2
1
220
4
10V
FB562
0
J491
PC IN
R478
R477
22k
22k
J492
C496
C495
C491
1000p
1000p
0.1
PHONES
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